1 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3 * stmt (expand_end_case): Reorder conversion sequence for jump
4 table to avoid extra truncations.
6 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
8 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
9 in the block is more than just a simple conditional branch.
10 (noce_process_if_block): Similarly.
12 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
14 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
17 2000-05-30 Michael Meissner <meissner@redhat.com>
19 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
20 instructions. Treat LO_SUM operations as loading the full integer
23 2000-05-30 Richard Henderson <rth@cygnus.com>
25 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
27 2000-05-30 Richard Henderson <rth@cygnus.com>
29 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
31 2000-05-30 Bruce Korb <bkorb@gnu.org>
33 * fixinc/tests/*: Added expected result files for fixinc's make check
34 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
36 2000-05-30 Richard Henderson <rth@cygnus.com>
38 * config/alpha/alpha.md (*setne_internal): Use match_operator
39 instead of working down from insn.
41 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
43 * invoke.texi (-Wtraditional): Update WRT function macros.
45 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
47 * except.c (free_exception_table): Do not free NULL.
49 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
51 * cpplib.c (do_if): Don't save and restore only_seen_white here.
52 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
55 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
57 * flow.c (mark_used_reg): If a register is unconditionally live,
58 remove any conditional death information.
60 2000-05-29 Richard Henderson <rth@cygnus.com>
62 * final.c (current_output_insn): New.
63 (final_scan_insn): Set it.
64 * output.h: Declare it.
66 2000-05-29 Richard Henderson <rth@cygnus.com>
68 * stor-layout.c (finalize_record_size): Fix typo.
70 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
73 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
75 * cpplib.h (cpp_reader): Remove if_stack. Change
76 potential_control_macro to a cpp_hashnode *. Add skipping flag.
77 * cpphash.h (struct ihash): Change control_macro to a
78 cpp_hashnode * and shorten name to cmacro.
79 Add NEVER_REINCLUDE constant.
81 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
82 Examine the cmacro node directly, no need to call cpp_defined.
83 (_cpp_execute_include, read_include_file): Set cmacro to
84 NEVER_REINCLUDE, not U"".
85 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
86 (cpp_get_token): If pfile->skipping is true, discard text and
87 keep scanning until we hit a directive; don't expand macros.
89 * cpplib.c (struct if_stack): Remove if_succeeded, add
90 was_skipping. Change control_macro to a cpp_hashnode * and
91 shorten name to cmacro. Remove typedef IF_STACK.
92 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
93 (conditional_skip, skip_if_group,
94 consider_directive_while_skipping): Delete.
95 (push_conditional): New.
96 (_cpp_handle_directive): Don't process directives other than
97 conditionals if we are skipping.
99 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
100 Update to new scheme.
101 (validate_else): Skip rest of line here, unconditionally.
102 (_cpp_unwind_if_stack): The stack is per-buffer. Force
105 (all): Remove `scare quotes' from error messages.
107 2000-05-29 Richard Henderson <rth@cygnus.com>
109 * function.c (emit_return_into_block): New line_note arg; emit it.
110 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
111 for the close brace to accompany HAVE_return. Move all line notes
112 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
114 2000-05-29 Richard Henderson <rth@cygnus.com>
116 * longlong.h [__alpha] (count_leading_zeros): New.
117 (count_trailing_zeros): New.
118 (COUNT_LEADING_ZEROS_0): New.
120 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
121 (alpha_split_conditional_move): New.
122 * config/alpha/alpha-protos.h: Prototype them.
123 * config/alpha/alpha.h (PREDICATE_CODES): Update.
124 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
125 * config/alpha/alpha.md: Update ffs cix commentary.
127 (*nabssf2, *nabsdf2): New.
128 (*mov[qhsd]icc_internal): Use add_operand.
129 (if_then_else constant splitters): New.
130 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
131 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
133 2000-05-29 Richard Henderson <rth@cygnus.com>
135 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
136 a constant to NEG or NOT when conditions allow.
138 * combine.c (combine_simplify_rtx): Don't create an if_then_else
139 unless both args are general_operand. Don't canonicalize plus
140 to ior unless it helps.
142 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
143 instead track register_life_up_to_date. Toggle no_new_pseudos
146 2000-05-28 Geoff Keating <geoffk@cygnus.com>
148 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
149 so output_operand doesn't see them.
151 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
153 * lcm.c (make_preds_opaque): Fix comment.
154 (optimize_mode_switching): Use NORMAL_MODE instead of
155 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
156 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
157 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
158 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
159 (MODE_USES_IN_EXIT_BLOCK): Delete.
160 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
161 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
162 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
163 (MODE_NEEDED): Don't look for USE.
164 (EPILOGUE_USES): Define.
166 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
168 * mklibgcc.in (all): Variable initialised to `libgcc'.
170 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
172 * toplev.h (skip_leading_substring): New macro.
173 * toplev.c (decode_f_option): Use skip_leading_substring instead
175 (decode_W_option): Likewise.
177 2000-05-28 Nick Clifton <nickc@cygnus.com>
179 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
182 2000-05-28 Richard Henderson <rth@cygnus.com>
184 * regclass.c (record_operand_costs): Protect reg_changes_size
185 with CLASS_CANNOT_CHANGE_SIZE.
187 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
189 2000-05-28 Richard Henderson <rth@cygnus.com>
191 * function.c (diddle_return_value): A pcc-style struct return
194 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
196 * cppfiles.c: Read files in, using mmap if possible, then
197 prescan them separately.
198 (read_file, read_with_read): New functions.
199 * cpplex.c: Don't define UCHAR_MAX.
200 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
203 * cppinit.c (handle_option): Automatically define __cplusplus,
204 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
205 the respective -lang switch.
207 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
208 prototype): Move to...
209 * cpplib.h: ... here. Rename struct hashnode to struct
210 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
211 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
213 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
215 * config/rs6000/rs6000.md (movsi): Constify 'name'.
217 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
218 (class_can_change_size): New variable.
219 (reg_changes_size): New variable.
220 (init_reg_sets_1): Initialise class_can_change_size.
221 (record_operand_costs): Remove subreg_changes_size.
222 Don't pass it around. Instead update reg_changes_size.
223 (regclass): Initialise and free reg_changes_size. If a register
224 changes size, don't preference it to a class that contains
225 registers that can't change size.
226 (record_reg_classes): Don't look at subreg_changes_size.
228 2000-05-27 Richard Henderson <rth@cygnus.com>
230 * print-rtl.c (reg_names): Remove const.
231 * regclass.c (reg_names): Likewise.
232 * regs.h (reg_names): Likewise.
233 * hard-reg-set.h (reg_names): Likewise.
235 2000-05-27 Richard Henderson <rth@cygnus.com>
237 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
239 2000-05-27 Richard Henderson <rth@cygnus.com>
241 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
242 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
243 (alpha_expand_prologue): Emit prologue_mcount if needed.
244 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
245 * config/alpha/alpha.md (prologue_mcount): New.
246 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
247 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
248 * config/alpha/netbsd.h: Likewise.
250 2000-05-27 Richard Henderson <rth@cygnus.com>
252 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
253 change to config/elfos.h.
255 2000-05-27 Richard Henderson <rth@cygnus.com>
257 * Makefile.in (resource.o): Depend on except.h.
258 * except.h (output_exception_table_data): Prototype.
259 * genconfig.c (gen_peephole2): Prototype.
260 * genemit.c (main): Include ggc.h.
261 * genoutput.c: Revert parts of last change: include errors.h
262 (main): Set progname.
263 * recog.c: Include hard-reg-set.h before recog.h.
264 * resource.c: Include except.h.
266 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
268 (alpha_write_linkage): Protect with BUFSIZ.
269 (alpha_need_linkage): Update prototype.
270 * config/alpha/alpha.c (function_arg): Move VMS code here.
271 (alpha_links_base): Remove.
273 (mark_alpha_links_node, mark_alpha_links): New.
274 (alpha_write_one_linkage): New.
275 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
276 (alpha_write_linkage): Use splay_tree_foreach.
277 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
278 to get the linkage symbol.
279 (call_value_vms): Likewise.
280 * config/alpha/elf.h (output_file_directive): Remove decl.
281 (ctors_section, dtors_section): Prototype.
282 (sbss_section, sdata_section): Prototype.
283 * config/alpha/vms.h (FUNCTION_ARG): Remove.
284 (readonly_section, link_section, literals_section): Prototype.
285 (ctors_section, dtors_section): Prototype.
286 (vms_valid_decl_attribute_p): Remove decl.
287 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
289 2000-05-27 Geoff Keating <geoffk@cygnus.com>
291 * reload.c (get_secondary_mem): Don't widen floating-point modes.
293 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
294 substituting the REG in a (subreg:X (reg:Y ...)).
296 2000-05-28 Neil Booth <NeilB@earthling.net>
298 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
299 first token of a line BOL. Update EOF code for this.
300 Remove illegal directive check - it appears in the (not
301 yet committed) caller.
302 * cpplib.h (BOL): New flag.
304 2000-05-28 Neil Booth <NeilB@earthling.net>
306 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
307 (_cpp_free_toklist): No comment space to free.
308 (expand_comment_space): Remove.
309 (save_comment_space): Place the comment in the current token and
310 not in a separate comment space.
311 (_cpp_lex_line): Save comments during plain code and #define
313 * cpplib.h (struct _cpp_toklist): Remove comment space.
315 2000-05-28 Neil Booth <NeilB@earthling.net>
317 * cppexp.c (parse_assertion): Supply extra argument to
319 * cpplib.c (do_assert, do_unassert): Similarly.
320 * cpphash.h (_cpp_init_toklist) Update.
321 (_cpp_expand_token_space): New.
322 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
323 * cpplex.c (_cpp_init_toklist): New argument.
324 (parse_string2): New argument multiline_ok.
325 (spell_token): Take a const cpp_token *.
326 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
327 (SPELL_ macros): Replace with enum.
328 (expand_token_space): Replace with _cpp_expand_token_space.
330 (IS_DIRECTIVE): Update.
331 (_cpp_lex_line): Update token structure before parsing number.
332 Don't assume start at beginning of token list.
333 (save_comment): Use INIT_TOKEN_NAME.
335 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
337 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
338 -Wmissing-prototypes.
339 * configure: Regenerate.
340 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
342 * builtins.c, calls.c: Change all instances of gen_call_* or
343 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
344 * calls.c (struct_value_size_rtx): Separate definition from
345 initialization to avoid unused variable warning.
347 * genflags.c (gen_macro): New function.
348 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
349 (gen_nonproto): Delete.
350 (gen_insn): Put all insns on the same obstack.
351 (main): Generate prototypes for everything unconditionally.
353 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
354 out check for wchar_t.
355 * acconfig.h: Add template for ssize_t. Remove @TOP@.
356 * system.h: Add infrastructure for defining missing
357 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
358 definitions of UCHAR_MAX and SSIZE_MAX.
359 * configure: Regenerate.
360 * config.in: Regenerate.
362 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
363 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
365 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
366 libgcc2.a, or libgcc1.null.
368 2000-05-27 Richard Henderson <rth@cygnus.com>
370 * Makefile.in (recog.o): Don't depend on resource.h.
371 * recog.c: Don't include resource.h.
372 (recog_last_allowed_insn): Remove.
373 (recog_next_insn): Remove.
374 (struct peep2_insn_data): New.
375 (peep2_insn_data, peep2_current): New.
376 (peep2_next_insn): New.
377 (peep2_regno_dead_p, peep2_reg_dead_p): New.
378 (peep2_find_free_register): New.
379 (peephole2_optimize): Track life information by insn as we go.
380 * recog.h: Update declarations.
381 * resource.c (find_free_register, reg_dead_p): Remove.
382 * resource.h: Remove their declarations.
383 * toplev.c: Include hard-reg-set.h before recog.h.
385 * genconfig.c (max_insns_per_peep2): New.
386 (gen_peephole2): New.
388 * genemit.c (output_peephole2_scratches): Generate calls to
389 peep2_find_free_register; adjust surrounding code.
390 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
391 * genrecog.c (change_state): Don't track last_insn.
392 (write_action): Write into *_pmatch_len before accepting.
393 (write_tree): Adjust peephole2_insns and subroutines to match.
395 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
397 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
398 (hard_int_register_operand): New.
399 * config/alpha/alpha-protos.h: Declare it.
400 * config/alpha/alpha.h (PREDICATE_CODES): Update.
401 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
402 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
404 2000-05-27 Richard Henderson <rth@cygnus.com>
406 * function.c (thread_prologue_epilogue_insns): Don't move the
407 line note at the head of the chain. Only force a lineno note
408 before the end of block 0.
410 2000-05-27 Richard Henderson <rth@cygnus.com>
412 * gensupport.c (collect_insn_data): Record the maximum number
413 of alternatives, not the last seen.
415 * genoutput.c: Don't include errors.h.
416 (struct data): Add lineno member.
418 (scan_operands): Use message_with_line instead of error.
419 (validate_insn_alternatives): Likewise.
420 (gen_insn): Accept and store the pattern's line number.
421 (gen_peephole, gen_expand, gen_split): Likewise.
422 (main): Don't set progname. Pass line_no to gen_foo.
424 2000-05-27 Richard Henderson <rth@cygnus.com>
426 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
427 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
428 * config/d30v/d30v.md (attr predicable): New.
429 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
430 (andsi3*): Unify into one pattern.
431 (iorsi3*, xorsi3*): Likewise.
432 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
434 (old cond_exec patterns): Remove.
435 (define_cond_exec): New.
437 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
439 * tree.h (TREE_CODE_LENGTH): New macro.
440 * c-common.c (c_find_base_decl): Use it.
441 * expr.c (safe_from_p): Likewise.
442 * print-tree.c (print_node): Likewise.
443 * tree.c (make_node, copy_node, get_identifier): Likewie.
444 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
445 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
446 * fold-const.c (make_range): Likewise.
447 (fold): Likewise; also use first_rtl_op.
448 * c-iterate.c (collect_iterators): Use first_rtl_op.
449 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
450 Use IS_EXPR_CODE_CLASS.
451 (preexpand_calls): Likewise.
452 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
453 and TREE_CODE_LENGTH.
454 * stmt.c (warn_if_unused_value): If no operands, no unused value.
456 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
458 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
460 (movdi_internal64): Likewise.
462 * config/rs6000/rs6000.md: Correct order of operands for DImode
465 * config/rs6000/rs6000.c (boolean_or_operator): New function.
466 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
467 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
468 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
469 boolean_operator for the boolean patterns without NOTs.
471 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
472 from reg_or_u_cint_operand. Change comment and behaviour.
473 (logical_operand): Clean up, add assertion.
474 (non_logical_cint_operand): Also check for
475 reg_or_logical_cint_operand.
476 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
477 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
483 2000-05-26 Mark Mitchell <mark@codesourcery.com>
485 * tree.h (struct record_layout_info): Rename to (struct
486 record_layout_info_s).
487 * stor-layout.c (start_record_layout): Replace
488 `record_layout_info' with `record_layout_info_s'.
490 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
492 * flow.c (find_label_refs): New function.
493 (find_basic_blocks_1): Call it for each alternative of a call
496 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
498 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
501 2000-05-25 Richard Henderson <rth@cygnus.com>
503 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
504 so strict about DImode.
505 (alpha_swapped_comparison_operator): Likewise.
506 * config/alpha/alpha.md (*setne_internal): Name it. Allow
507 any integer output mode.
508 (*setcc_internal): Likewise.
509 (*setcc_swapped_internal): Likewise.
510 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
511 (*mov[qhs]icc_internal): New.
512 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
514 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
516 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
518 2000-05-25 Richard Henderson <rth@cygnus.com>
520 * bb-reorder.c (reorder_block_def): Reorder elements for size.
521 Remove add_jump; add next; replace flags with visited.
523 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
524 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
525 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
526 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
528 (reorder_index, reorder_last_visited): Remove.
529 (skip_insns_after_block): Rewrite to use a switch.
530 (get_common_dest): Remove.
531 (chain_reorder_blocks): Remove.
532 (record_effective_endpoints): Split out from reorder_basic_blocks.
533 (make_reorder_chain): Likewise. Loop until all blocks are placed.
534 (make_reorder_chain_1): Renamed from old make_reorder_chain.
535 Only construct the reorder chain, do not move insns. Try harder
537 (label_for_bb, emit_jump_to_block_after): New.
538 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
539 and adjust the jump insns appropriately. Fixup basic_block_info.
540 (verify_insn_chain): Always define.
541 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
543 (make_new_scope): Don't write zeros to calloc'd space.
544 (build_scope_forest): Rely on xrealloc to DTRT.
545 (reorder_basic_blocks): Don't build loop nest. Don't fail if
546 profile_arc_flag. Streamline EH test.
548 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
549 * basic-block.h: Declare them.
551 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
553 * emit-rtl.c (reset_used_decls): New function.
554 (unshare_all_rtl_again): Call it.
556 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
558 * cpplex.c (maybe_macroexpand): Warn about function-like
559 macros used in non-function context, if -Wtraditional.
561 2000-05-25 Mark Mitchell <mark@codesourcery.com>
563 * recog.c (peephole2_optimize): Use INSN_P.
565 2000-05-25 Richard Henderson <rth@cygnus.com>
567 * ifcvt.c (seq_contains_jump): New.
568 (noce_try_store_flag_constants): Use it to fail conversion.
569 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
571 2000-05-25 Mark Mitchell <mark@codesourcery.com>
573 * except.h (can_throw): Declare it.
574 * except.c (can_throw): Give it external linkage.
575 * resource.c (find_dead_or_set_registers): Use can_throw.
577 2000-05-25 Richard Henderson <rth@cygnus.com>
579 * flow.c (mark_set_1): Don't record conditionally dead memory.
581 2000-05-25 Jan Hubicka <jh@suse.cz>
583 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
584 and pc_set at the place of simplejump_p and condjump_p.
585 * cse.c (record_jump_equiv): Likewise.
586 * emit-rtl.c (emit): Likewise.
587 * explow.c (find_next_ref): Likewise.
588 * flow.c (tidy_fallthru_edge): Likewise.
589 (init_propagate_block_info): Likewise.
590 * gcse.c (delete_null_pointer_checks): Likewise.
591 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
592 dead_or_predicable): Likewise.
593 * integrate.c (copy_insn_list): Likewise.
594 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
595 for_each_insn_in_loop, check_dbra_loop, get_condition,
596 insert_bct, load_mems): Likewise.
597 * resource.c (find_dead_or_set_registers): Likewise.
598 * sibcalls.c (simplejump_p): Likewise.
599 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
601 2000-05-25 David Edelsohn <edelsohn@gnu.org>
603 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
604 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
606 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
607 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
608 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
609 * rs6000.md: Name various internal patterns.
611 2000-05-25 Jan Hubicka <jh@suse.cz>
613 * jump.c (invert_exp_1): Remove first argument, use pc_set
614 to get the expression.
615 (redirect_exp): Make static; redirect only the pc_set expression,
616 remove first argument.
617 (invert_exp): Remove first argument, make static.
618 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
619 any_onlyjump at most places where we originaly did condjump_p
621 (jump_back_p, follow_jumps, thread_jumps): Likewise.
622 (delete_barrier_succesors): Use pc_set.
623 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
624 calls of invert_exp and redirect_exp.
625 * rtl.h (redirect_exp, invert_exp): Remove.
626 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
628 2000-05-25 Richard Henderson <rth@cygnus.com>
630 * stmt.c (expand_end_bindings): Fix thinko last change.
632 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
633 Andrew Haley <aph@cygnus.com>
635 * except.c (func_eh_entry): Add emitted field.
636 (new_eh_region_entry): Set emitted field to 0;
637 (output_exception_table_entry): Only emit previously un-emitted data,
638 and send it to the eh_data section.
639 (output_exception_table): Break out common parts. Output
640 exception table for entire compilation unit to eh_data section.
641 (output_exception_table_data): Common parts of output_exception_table.
642 Send output to eh_data section.
643 (output_function_exception_table): Output exception table data for
644 a single function to eh_data section.
645 (free_exception_table): New external to free the table.
646 * except.h (free_exception_table): Add prototype.
647 (output_function_exception_table): Add prototype.
648 * final.c (final_end_function): Output function exception table
649 for IA64_UNWIND_INFO.
650 (final_scan_insn): Emit any unwind directives for an insn.
652 * frame-dwarf2.c: New file containing all DWARF 2 specific code
654 * frame.c: Remove all DWARF 2 specific code.
655 * config/ia64/frame-ia64.c: New file.
656 (gthread_stuff): Make all gthread available with
658 (dwarf_fde): Define an IA64 struct for dwarf_fde.
659 (__register_frame_info, __register_frame): Move to common area of file.
660 (__register_frame_info_table, __register_frame_table): Move to common i
662 (__deregister_frame_info, __deregister_frame): Move to common area.
663 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
664 (read_uleb128): New version for ia64.
665 (get_unwind_record): Read the next IA-64 unwind record.
666 (read_R_record): Read a region header record.
667 (process_a_b_reg_code): X record helper.
668 (read_X_record): Read an X format record.
669 (read_B_record): Read a B format record.
670 (P3_record_types): List of record types matching the P3 format.
671 (P7_record_types): List of record types matching the P7 format.
672 (P8_record_types): List of record types matching the P8 format.
673 (read_P_record): Read a P format record.
674 (init_ia64_reg_loc): Set default fields for a register.
675 (init_ia64_unwind_frame): Set defaults for all register records.
676 (execute_one_ia64_descriptor): Execute one descriptor record.
677 (rse_address_add): Calculate the position of a local reg in memory.
678 (normalize_reg_loc): Turn a location descriptor into a memory address.
679 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
680 within a specified PC offset range.
681 (get_real_reg_value): Given a register location, retrieve its value.
682 (set_real_reg_value): Change the value of a register location.
683 (copy_reg_value): Copy reg values, if needed.
684 (copy_saved_reg_state): Copy all registers that need to be copied.
685 (process_state_between): Normalize all frame register records that
686 fall within the specified PC range.
687 (frame_translate): Take a processed frame description, and turn
688 everything into addresses.
689 (build_ia64_frame_state ): Find and create frame state record for a PC.
690 (get_personality): Get the personality routine for a given frame.
691 (get_except_table): Get the exception table for a given frame.
692 (record_name): Unwind record names for debugging.
693 (print_record): Print and unwind record.
694 (print_all_records): Print an entire unwind image.
695 (__ia64_backtrace): Print a backtrace.
696 (ia64_backtrace_helper): New function.
697 (__register_frame_info_aux): New function.
698 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
700 * frame.h (enum unw_record_type): New unwind record types.
701 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
702 (struct unw_r_record, unwind_record): New unwind record structs.
703 (struct unwind_info_ptr): Unwind information layout.
704 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
706 (struct ia64_reg_loc): Register location description.
707 (struct ia64_frame_state): Location of all registers in a frame.
708 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
709 * libgcc2.c (__ia64_personality_v1): Personality routine.
710 (__calc_caller_bsp): Calculate the bsp register for the caller's
712 (ia64_throw_helper): Figure out who to return to and set up the
714 (__throw): Throw routine.
716 * output.h (assemble_eh_align, assemble_eh_label): New functions
717 to generate EH info where we want it.
718 (assemble_eh_integer): New function.
719 * toplev.c (compile_file): Output module level exception table for
721 (main): Set exceptions_via_longjump and flag_new_exceptions based
722 on IA64_UNWIND_INFO too.
724 * varasm.c (assemble_eh_label): Generate a label via
725 ASM_OUTPUT_EH_LABEL if it has been specified.
726 (assemble_eh_align): Generate an alignment directive via
727 ASM_OUTPUT_EH_ALIGN if it has been specified.
728 (assemble_eh_label): Generate an integer value via
729 ASM_OUTPUT_EH_type if they have been specified.
730 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
731 (ia64_init_builtins): Add __builtin_ia64_bsp
732 and __builtin_ia64_flushrs.
733 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
734 IA64_BUILTIN_FLUSHRS.
735 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
736 IA64_BUILTIN_FLUSHRS.
738 * config/ia64/ia64.md (flushrs): New insn to flush the register
739 stack. Add to unspec list.
741 * config/ia64/crtbegin.asm (frame_object): Change size.
742 (__do_frame_setup_aux): New function.
743 * config/ia64/crtend.asm: call __do_frame_setup_aux.
744 * config/ia64/t-ia64 (LIB2ADDEH): Add.
745 * Makefile.in (LIB2ADDEH): Add.
746 (LIB2ADD): Use LIB2ADDEH.
748 2000-05-24 Richard Henderson <rth@cygnus.com>
750 * recog.c (offsettable_address_p): If mode size is zero, assume
753 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
755 * configure.in: Check for -Wno-long-long option support and improve
756 handling of warning CFLAGS for stages 1 and 2.
757 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
758 * configure: Regenerate.
760 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
762 * gcc.texi: Remove contributor list. Instead include contrib.texi.
763 * contrib.texi: New file.
765 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
767 * loop.c (basic_induction_var): Avoid double recording of an increment.
769 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
771 * Back out this patch:
772 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
773 * loop.h (struct induction): Add multi_insn_incr.
774 * loop.c (basic_induction_var): New multi_insn_incr argument.
775 Set it if we search back through previous insns for the biv.
776 (record_biv): New multi_insn_incr argument; fill in struct induction.
777 (strength_reduce): Discard an iv with multiple bivs, any of
778 which require multiple insns to increment.
780 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
782 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
784 * rtl.h (loc_mentioned_in_p): Declare.
785 * reload.c (loc_mentioned_in_p): Moved from here...
786 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
787 Fix loop increment for 'E' handling.
788 * loop.c (strength_reduce): When doing biv->giv conversion,
789 take multi-insn biv increments into account.
791 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
793 * stmt.c (expand_end_bindings): Look through NOTEs to find a
796 2000-05-24 Mark Mitchell <mark@codesourcery.com>
798 * calls.c (expand_call): Handle cleanups in tail-recursion
799 arguments analagously to cleanups in sibling calls.
801 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
803 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
806 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
808 * expr.c (expand_assignment, store_expr, expand_expr,
809 expand_expr_unaligned): Set in_check_memory_usage while emitting
810 chkr_check_addr libcall.
812 2000-05-24 Nick Clifton <nickc@cygnus.com>
814 * fold-const.c (extract_muldiv): When constructing a
815 multiplier/divisor, do not expect const_binop to correctly
816 determine if overflow has occured, so check explicitly.
818 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
820 * c-decl.c (build_enumerator): Don't modify the value's type,
823 2000-05-24 Andreas Jaeger <aj@suse.de>
825 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
827 2000-05-24 Eric Christopher <echristo@cygnus.com>
829 * configure.in: Redefine inhibit_libc conditions.
830 * libgcc2.c: Remove inhibit_libc conditional define.
831 * configure: Regenerate.
833 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
835 * configure.in: For --enable-languages=LIST, check for empty LIST.
836 * configure: Regenerate.
838 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
840 * pdp11.h (STACK_BOUNDARY): Define.
842 2000-05-24 Jakub Jelinek <jakub@redhat.com>
844 * ifcvt.c (if_convert): Update life info globally.
846 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
848 * emit-rtl.c (unshare_all_decls): New function.
849 (unshare_all_rtl): Call it.
851 2000-05-23 Nick Clifton <nickc@cygnus.com>
853 * configure.in: Treat 'strongarm' as if it were 'arm' when
854 determining cpu type.
856 * configure: Regenerate.
858 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
859 where constant strings are involved.
861 * config/arm/arm.h (arm_condition_codes): Change type to 'const
864 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
865 cases where constant strings are involved.
867 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
869 * config/sh/sh.c (gen_far_branch, split_branches): Update
870 to reflect new prototypes for redirect_jump and invert_jump.
871 (sh_insn_length_adjustment): Get rid of const warnings.
873 2000-05-23 Kazu Hirata <kazu@hxi.com>
875 * invoke.texi (Options for Debugging Your Program or GCC): Update
876 the names of dump files.
878 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
880 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
881 * configure: Regenerated.
883 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
885 * simplify-rtx.c (SIGN_EXTEND): New macro.
886 (simplify_unary_operation, simplify_binary_operation,
887 simplify_relational_operation): Use SIGN_EXTEND. Make low
888 halves of (low, high) pairs unsigned if they weren't already.
889 (simplify_ternary_operation): Cast INTVAL to unsigned before
890 comparing to a MODE_BITSIZE.
892 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
894 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
895 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
897 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
898 gcc_AC_NEED_DECLARATIONS.
900 * dwarfout.c: Don't prototype time().
902 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
904 * system.h: Likewise.
906 * toplev.c: Likewise.
908 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
910 * c-decl.c (pushdecl): Invert sense of test for non-global types.
912 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
914 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
916 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
918 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
920 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
922 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
923 (alpha_start_function): Never write ..ng label if VMS or NT.
924 (alpha_align_insns): Remove GP_IN_USE arg.
925 Alignment now unsigned.
926 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
927 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
928 and two define_insn's.
930 2000-05-22 Richard Henderson <rth@cygnus.com>
932 * combine.c (simplify_comparison): Use trunc_int_for_mode.
934 2000-05-22 Richard Henderson <rth@cygnus.com>
936 * stor-layout.c (place_field): Change rli->size to rli->offset.
938 2000-05-22 Richard Henderson <rth@cygnus.com>
940 * function.c (thread_prologue_and_epilogue_insns): Make sure
941 existing line number notes appear after the prologue.
943 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
945 * config/alpha/alpha.c (alpha_fnname): New static variable.
946 (print_operand, case '~'): New case.
947 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
948 (alpha_start_function): Set alpha_fnname.
949 Write "ng" label if no ldgp; don't write ldgp insn.
950 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
951 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
953 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
955 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
958 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
960 * varasm.c (eh_frame_section): Revert change to argument list.
962 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
964 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
965 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
967 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
968 dangling "else" that causes "break" to be conditional.
969 Also remove unneeded code at start.
971 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
973 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
974 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
975 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
977 2000-05-22 Jakub Jelinek <jakub@redhat.com>
979 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
982 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
984 * alias.c (record_component_aliases): New function.
985 * tree.h: Clean up some declarations and comments.
986 (record_component_aliases): New declaration.
987 * tree.c (get_alias_set): If type and has alias set, use it.
989 2000-05-22 Richard Henderson <rth@cygnus.com>
991 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
992 IF_THEN_ELSE to a setcc form.
993 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
995 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
997 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
998 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1000 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1002 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1005 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1007 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1008 * config/mn10300/mn10300.c (print_operand): Likewise.
1010 * final.c (split_double): Right shift of negative values is not
1013 * ifcvt.c (if_convert): Scan and kill dead code.
1015 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1017 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1019 * diagnostic.c: Eliminate implicit int.
1020 * except.c, gcc.c: Add static prototypes.
1021 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1022 * gensupport.c (process_rtx): Use XVEC to initialize vector
1025 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1026 debug_reg_names instead of static reg_names. If not, define
1028 * regclass.c: Don't define global reg_names unless
1029 DEBUG_REGISTER_NAMES is defined.
1031 * reload1.c (order_regs_for_reload): Remove unused variable.
1032 * varasm.c: Include output.h after defaults.h. Define
1033 eh_frame_section as function of no args, not of unspecified args.
1035 * gcc.c: Constify argbuf; arguments to store_arg,
1036 process_command, main; elements of struct command and struct
1037 switchstr; local variables in execute, process_command, main.
1039 2000-05-20 Bruce Korb <bkorb@gnu.org>
1041 * fixinc/inclhack.def: many applications of c_fix=format + tests
1042 * fixinc/check.diff: regenerated
1043 * fixinc/fixincl.x: regenerated
1045 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1047 * alias.c: Clarify some comments.
1048 (record_base_value): REGNO is unsigned.
1049 * rtl.h (record_base_value): Likewise.
1051 * alias.c (aliases_everything_p): Don't special-case QImode here.
1052 * c-common.c (c_get_alias_set): Do it here.
1053 Handle BIT_FIELD_REF by getting alias info for arg.
1056 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1058 * mklibgcc.in: Restore rule to create ${dir}.
1060 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1062 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1063 GCC_FOR_TARGET used by MULTILIBS.
1064 * mklibgcc.in: Make sure each .o file depends on the
1065 directory it will be in.
1066 Make the multilib directory depends libgcc.
1068 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1070 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1072 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1074 * fold-const.c (make_range): Handle degenerated intervals.
1075 Fixes c-torture/execute/991221-1.c
1077 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1079 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1080 * reload.c (find_equiv_reg): Likewise.
1081 * alias.c (init_alias_analysis): Likewise.
1082 Only call prologue_epilogue_contains on insns.
1083 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1084 * bb-reorder.c (hard-reg-set.h): Include earlier.
1085 * haifa-sched.c (hard-reg-set.h): Likewise.
1086 * ifcvt.c (hard-reg-set.h): Likewise.
1087 * local-alloc.c (hard-reg-set.h): Likewise.
1088 * loop.c (hard-reg-set.h): Likewise.
1089 * predict.c (hard-reg-set.h): Likewise.
1090 * regrename.c (hard-reg-set.h): Likewise.
1091 * flow.c (hard-reg-set.h): Likewise.
1092 (reg_set_to_hard_reg_set): New function.
1093 * bitmap.c (regs.h, basic-block.h): No longer include.
1094 (bitmap.h): Now include.
1095 * conflict.c (hard-reg-set.h): Include.
1096 * profile.c (hard-reg-set.h): Likewise.
1097 * print-rtl.c (hard-reg-set.h): Likewise.
1098 * sbitmap.c (hard-reg-set.h): Likewise.
1099 * toplev.c (hard-reg-set.h): Likewise.
1100 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1101 * hard-reg-set.h (reg_names): Now constant.
1102 * regs.h (reg_names): Likewise.
1103 * regclass.c (reg_names): Likewise.
1104 * loop.h (basic-block.h): No longer include.
1105 (bitmap.h): Now include.
1106 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1107 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1108 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1110 2000-05-19 Jan Hubicka <jh@suse.cz>
1111 Richard Henderson <rth@cygnus.com>
1113 * basic-block.h (struct edge_def): New field "count".
1114 (struct basic_block_def): Likewise.
1115 * flow.c (entry_exit_blocks): Add count fileds.
1116 (split_edge): Keep count information up-to-date.
1117 (dump_edge_info, dump_flow_info): Dump count fields.
1119 * final.c (count_instrumented_edges): Rename to edge from arc.
1120 (end_final): Update users.
1121 * profile.c: Include expr.h, basic-block.h.
1122 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1123 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1124 (ignore_next_note, return_label_execution_count): Kill.
1125 (bbg_file_name, da_file_name): Kill.
1126 (edge_info, bb_info): New structures.
1127 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1128 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1129 (total_num_edges_instrumented): Likewise.
1130 (init_arc, expand_spanning_tree): Kill.
1131 (fill_spanning_tree, tablejump_entry_p): Kill.
1132 (instrument_edges): Rewrite from instrument_arcs to use
1133 commit_edge_insertions infrastructure.
1134 (compute_branch_probabilities): Remove arguments; rewrite for
1135 CFG infrastructure; use rtl_dump_file directly.
1136 (branch_prob, find_spanning_tree): Likewise.
1137 (union_groups, find_group): New.
1138 (init_branch_prob): Make bbg_file_name and da_file_name local.
1139 (end_branch_prob): Use rtl_dump_file directly.
1140 (init_edge_profiler): Rename to edge from arc.
1141 (output_arc_profiler): Kill.
1142 (gen_edge_profiler): New.
1143 (output_func_start_profiler): Turn off profiling. Make the
1144 constructor static when we can.
1145 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1147 * toplev.c (DFI_flow): Remove.
1148 (DFI_cfg, DFI_life): New.
1149 (dump_file): Update accordingly.
1150 (compile_file): Call end_branch_prob if profile_arc_flag too.
1151 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1152 profiling after the CFG is built. Move flow1 life analysis to
1153 DFI_life. Always estimate remaining probabilities.
1155 2000-05-19 Richard Henderson <rth@cygnus.com>
1157 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1159 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1161 2000-05-19 Richard Henderson <rth@cygnus.com>
1163 * jump.c (redirect_jump): Add delete_unused argument. Don't
1164 remove labels and code following when LABEL_NUSES goes to zero.
1165 (invert_jump): Likewise.
1166 (jump_optimize_1): Fix redirect/invert arguments.
1167 (do_cross_jump, thread_jumps): Likewise.
1168 * flow.c (split_edge): Likewise.
1169 * reorg.c (optimize_skip): Likewise.
1170 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1171 * profile.c (instrument_arcs): Likewise.
1172 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1173 * rtl.h: Update prototypes.
1175 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1177 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1179 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1182 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1184 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1185 past l1 when deleting whitespace and markers.
1187 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1188 * cpplib.c (do_unassert): Put the list to compare against on
1191 2000-05-19 Bruce Korb <bkorb@gnu.org>
1193 * fixinc/README: cleaned up old documentation
1194 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1195 * fixinc/check.tpl: compute the list of needed directories
1196 emit "#if defined(name)" because of conflict
1197 omit machine name differences from output differences
1198 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1199 (machine_name): change test text to use `sed' markers
1200 * fixinc/fixincl.x: regen
1202 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1204 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1207 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1209 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1210 it to match the current practice.
1212 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1214 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1216 2000-05-18 Richard Henderson <rth@cygnus.com>
1218 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1219 * rtl.h (insn_dependant_p): Declare it.
1220 * loop.c (strength_reduce): Use it.
1222 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1224 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1225 16-bit and 64-bit clean-up.
1227 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1229 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1230 * configure: Rebuilt.
1232 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1234 * genopinit.c: Use $ for escape sequences in optab patterns.
1235 Remove backslashes from optab patterns. Change $A, $B, $C to
1236 expand to (int) whatever instead of just whatever; remove
1237 explicit (int) from all optab patterns.
1239 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1240 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1241 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1242 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1245 2000-05-18 Richard Henderson <rth@cygnus.com>
1247 * jump.c (jump_optimize_1): Base minimum insn count during
1248 find_cross_jump on BRANCH_COST.
1250 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1252 * print-rtl.c (print_rtx): Only print note line number as string
1253 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1254 * final.c (final_scan_insn): Do nothing for note line number 0.
1256 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1258 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1259 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1260 NOTE_INSN_DELETED_LABEL.
1262 2000-05-18 Nick Clifton <nickc@cygnus.com>
1264 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1265 uninitialised data in .rodata not .bss, and do not interpret an
1266 error in the initialisation value as meaning that the variable
1267 should be placed in the .bss section.
1269 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1271 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1272 not `$ac_cv_prog_cc_cc_c_o'.
1273 * configure: Regenerated.
1275 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1276 Richard Henderson <rth@cygnus.com>
1278 * c-common.h (enum c_tree_index): Add g77 type entries.
1279 (g77_integer_type_node, g77_uinteger_type_node): New.
1280 (g77_longint_type_node, g77_ulongint_type_node): New.
1281 * c-decl.c (init_decl_processing): Initialize them.
1283 2000-05-18 Richard Henderson <rth@cygnus.com>
1285 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1287 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1288 (small_power_of_two): Likewise; use exact_log2.
1289 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1290 (output_adds_subs): Remove.
1291 (two_insn_adds_subs_operand): New.
1292 (split_adds_subs): New.
1293 * config/h8300/h8300-protos.h: Update.
1294 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1295 (CONST_OK_FOR_L): Match strict adds operands.
1296 (CONST_OK_FOR_N): Match struct subs operands.
1297 * config/h8300/h8300.md (adds_subs insns): Remove.
1298 (addhi patterns): Output adds/subs directly.
1299 (addsi_h8300h): Likewise.
1300 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1302 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1304 * cppexp.c (parse_assertion): New.
1305 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1306 (_cpp_parse_expr): Remove case '#'. Don't set
1307 parsing_if_directive.
1308 * cpphash.c (collect_objlike_expansion,
1309 collect_funlike_expansion, collect_params,
1310 _cpp_create_definition): The list no longer has a trailing
1312 * cpphash.h (enum node_type): Add T_ASSERTION.
1313 (struct hashnode): Remove aschain, add pred.
1314 (struct predicate): New.
1317 * cpplex.c (expand_token_space): Handle both offset and
1319 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1320 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1321 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1322 _cpp_equiv_toklists): New.
1323 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1324 stop at any single-character token, not just newline.
1325 (_cpp_lex_token): Remove special cases for #define and #if.
1326 (cpp_get_token): Expect # as a separate token type. Remove
1328 (_cpp_get_directive_token): Remove DIRECTIVE case.
1329 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1331 * cpplib.c (_cpp_check_directive): Set dirno and
1332 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1333 (_cpp_handle_directive): Run # <number> through the same logic
1334 as normal directives.
1335 (do_define): Don't set parsing_define_directive. Use
1336 _cpp_scan_until. The list does not have a VSPACE at the end.
1337 (do_if): Save, clear, and restore only_seen_white around
1339 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1340 (do_assert, do_unassert): Rewrite.
1342 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1343 (LIST_OFFSET): New flag.
1344 (struct cpp_toklist): Replace dir_handler and dir_flags with
1346 (struct cpp_reader): Remove parsing_if_directive and
1347 parsing_define_directive.
1349 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1351 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1352 following the cabs decl which terminate on the following line.
1353 Add the corresponding test_text case.
1355 2000-05-18 Neil Booth <NeilB@earthling.net>
1357 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1358 default tab stop size.
1359 (no_num, OPT_ftabstop): New.
1360 (handle_option): Handle "ftabstop=" command-line option.
1361 (print_help): Document it.
1362 * cpplex.c (COLUMN): Remove.
1363 (handle_newline): Reset col_adjust.
1364 (skip_whitespace): Update col_adjust as tabs encountered.
1365 (_cpp_lex_line): Update to use col_adjust. Call
1366 skip_whitespace for all whitespace.
1367 * cpplib.h (struct cpp_options): New member tabstop.
1368 (struct cpp_reader): New member col_adjust.
1369 (CPP_BUF_COL): Update.
1370 (CPP_BUF_COLUMN): New.
1371 * cpp.texi: Document "-ftabstop=" command line option.
1373 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1375 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1377 * configure: Rebuilt.
1379 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1381 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1383 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1384 HOST_BITS_PER_WIDE_INT is >= 64.
1386 2000-05-17 Richard Henderson <rth@cygnus.com>
1388 * jump.c (jump_optimize_1): Remove inactive but real insns
1389 in jump-to-next-insn optimization.
1391 2000-05-17 Richard Henderson <rth@cygnus.com>
1393 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1394 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1395 Don't call recompute_reg_usage if no_new_pseudos is true.
1396 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1397 Return true if we did work; update global life information.
1398 * basic-block.h (optimize_mode_switching): Update decl.
1400 2000-05-17 Neil Booth <neilb@earthling.net>
1402 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1404 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1406 * cpplib.c: New feature, #pragma system_header.
1407 * cpp.texi: Document special treatment of system headers, and
1408 the various mechanisms to get a header that special treatment.
1410 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1412 * system.h (offsetof): Define at the very end, to ensure we prefer
1413 the platform's definition if available.
1415 2000-05-16 Bruce Korb <bkorb@gnu.org>
1417 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1418 * fixinc/server.c: likewise
1419 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1420 + #ifdef debugging code + use #def constant for
1422 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1423 on C++ math namespace
1425 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1427 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1428 Don't check the return value of sprintf. Use asprintf to avoid
1431 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1433 * flags.h (warn_unused_function, warn_unused_label,
1434 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1435 Replace ``warn_unused''.
1436 (set_Wunused): Add declaration.
1437 * toplev.c (set_Wunused): New function.
1438 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1439 warn_unused_variable, warn_unused_value): New variables.
1440 (W_options): Add -Wunused-function, -Wunused-function,
1441 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1442 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1444 * toplev.c (decode_W_option): Update -Wunused flags by calling
1446 * c-decl.c (c_decode_option): Ditto for -Wall.
1448 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1449 warn_about_unused_variables): Replace warn_unused with more
1450 explicit warn_unused_value et.al.
1451 * function.c (expand_function_end): Ditto.
1452 * c-typeck.c (internal_build_compound_expr,
1453 internal_build_compound_expr): Ditto.
1454 * c-decl.c (poplevel, pop_label_level): Ditto.
1455 * toplev.c (check_global_declarations): Replace warn_unused with
1456 check for either warn_unused_function or warn_unused_variable.
1458 * gcc.1, invoke.texi (Warning Options): Document
1459 -Wunused-function, -Wunused-function, -Wunused-label,
1460 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1462 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1464 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1465 $(srcdir), not in the current directory.
1467 2000-05-16 Richard Henderson <rth@cygnus.com>
1469 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1470 assembler supports it.
1471 (.fini, .init): Use a gp-relative indirect call.
1472 (__do_global_dtors_aux): Preserve the gp; rebundle.
1473 (__do_frame_setup): Likewise.
1474 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1475 (.init): Use a gp-relative indirect call.
1476 (__do_global_ctors_aux): Preserve the gp.
1478 2000-05-16 Richard Henderson <rth@cygnus.com>
1480 * flow.c (commit_one_edge_insertion): Be prepared for a return
1481 insn to be inserted on the edge with a normal jump.
1482 * jump.c (jump_optimize_1): Don't look to create return isns.
1484 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1485 * jump.c (jump_optimize_1): Likewise.
1486 (returnjump_p): Verify the argument is a JUMP_INSN.
1487 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1489 2000-05-16 Nick Clifton <nickc@cygnus.com>
1491 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1492 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1493 (large_insn_p): Ditto.
1494 (m32r_is_insn): New function: Return true if the insn contains
1495 an executable instruction.
1496 (m32r_adjust_insn): Use m32r_is_insn.
1497 (m32r_sched_reorder): Use m32r_is_insn.
1498 (m32r_sched_variable_issue): Use m32r_is_insn.
1500 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1502 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1505 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1507 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1508 according to given options.
1510 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1512 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1513 if X has VOIDmode either.
1514 (LIMIT_RELOAD_CLASS): Similarly.
1516 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1517 not "general_operand" to match the processor's capabilities.
1519 2000-05-16 Bruce Korb <bkorb@gnu.org>
1521 * fixinc/README: corrected return address
1522 * fixinc/check.diff: regenerate, now that test works
1523 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1524 (char_macro_def_fix,char_macro_use_fix): corrected and
1525 rewrote to use regex to parse the text
1526 * fixinc/inclhack.def: more testing
1527 * fixinc/fixincl.x: regenerated
1529 * fixinc/inclhack.def: added several "test_text" attributes
1530 changed several fixes to use `c_fix = format'
1531 re-alphabetized the fixes
1533 * fixinc/check.diff: regenerate
1534 * fixinc/fixincl.x: regenerate
1535 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1539 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1541 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1543 2000-05-15 Richard Henderson <rth@cygnus.com>
1545 * toplev.c (rest_of_compilation): Run full jump pass before
1546 find_basic_blocks of flow2.
1548 2000-05-15 Richard Henderson <rth@cygnus.com>
1550 * jump.c: Fix typos and clarify commentary from last change.
1551 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1552 (safe_to_remove_jump_p): Remove.
1553 (condjump_label): Use pc_set.
1555 2000-05-15 Richard Henderson <rth@cygnus.com>
1557 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1558 that get in the way after reload.
1559 (cond_exec_process_if_block): Skip a label heading THEN block.
1561 2000-05-15 Richard Henderson <rth@cygnus.com>
1563 * varasm.c (output_constant_pool): Abort instead of converting
1564 (improperly) deleted labels to zero.
1566 2000-05-16 Neil Booth <NeilB@earthling.net>
1568 * cpplex.c (parse_string2): Update comment.
1569 (cpp_lex_line): No special assertion treatment for '('.
1570 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1571 * cpplib.h (SYNTAX_ASSERT): Remove.
1573 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1575 * jump.c (condjump_p): Mark as depreached.
1576 (any_condump_p): New.
1577 (any_uncondump_p): New.
1579 (safe_to_remove_jump_p): New.
1580 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1581 safe_to_remove_jump_p): Declare.
1583 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1585 * calls.c: Re-install both patches reverted by last patch.
1586 (struct arg_data): New field tail_call_reg.
1587 (initialize_argument_information): Initialize tail_call_reg
1588 (load_register_parameters): New argument flags, use
1589 tail_call_reg when emiting tail call sequence.
1590 (expand_call): Update call of load_register_parameters;
1591 copy unadjusted_args_size to adjusted_args_size.
1593 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1595 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1596 and bct_p parameters to flags.
1597 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1598 * rtl.h (loop_optimize): Update prototype.
1599 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1601 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1603 * calls.c (expand_call): Move expand_start_target_temps call after
1606 2000-05-15 Neil Booth <NeilB@earthling.net>
1608 * cpphash.c (trad_stringify, warn_trad_stringify,
1609 collect_params): Make some pointers pointers to const.
1610 * cpplex.c (auto_expand_name_space) Guaranteed to always
1611 expand by at least one character.
1612 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1613 (struct token_spelling): Use const U_CHAR * rather than PTR.
1614 (expand_name_space): Fix up token pointers if name space
1615 is moved when expanding.
1616 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1617 parse_string2, save_comment, spell_token, cpp_output_list):
1618 Update so the routines handle tokens with a direct pointer to
1619 their text, rather than an offset into the token's list's namebuf.
1620 (_cpp_lex_line): Rearrange for clarity.
1622 * cpplib.c (_cpp_check_directive): Similarly.
1623 (do_define): Make SYM a pointer to const.
1624 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1625 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1626 (TOK_OFFSET): Delete.
1629 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1631 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1634 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1636 (logical_u_operand): Delete.
1637 (non_logical_cint_operand): Rewrite to take MODE into account.
1638 (non_logical_u_cint_operand): Delete.
1639 (boolean_operator): New function.
1640 (print_operand): Add new %q operand.
1641 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1642 remove logical_u_operand and non_logical_u_cint_operand,
1643 update logical_operand and non_logical_cint_operand.
1644 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1645 logical operations to use %q.
1647 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1648 (movdi): Make similar to movsi.
1649 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1650 is no such thing as a DImode CONST_DOUBLE.
1651 * config/rs6000/rs6000.c (output_toc): Likewise.
1653 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1654 codes when old mnemonics are in use. Print register names
1655 for cc registers when requested.
1657 * optabs.c (expand_float): Don't allow mode widening that causes
1660 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1661 flags to their current names -maix64 and -maix32.
1663 2000-05-14 Bruce Korb <bkorb@gnu.org>
1665 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1666 and/or after current text of file
1667 * fixinc/fixlib.c(must_malloc):
1668 * fixinc/fixlib.h(must_malloc): + reformatting
1669 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1670 with usages of ``c_fix = wrap;''
1671 Add several tests and use the ``c_fix = format'' fixer more.
1672 * fixinc/fixincl.x: regen
1673 * fixinc/check.diff: regen
1674 * fixinc/check.tpl: emit the associated header with the missing
1677 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1679 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1680 variables $src and $dst.
1682 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1684 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1685 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1686 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1687 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1689 (set_message_prefixing_rule): Declare.
1691 * diagnostic.c: (current_prefixing_rule): New variable.
1692 (set_message_prefixing_rule): Define.
1693 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1694 (init_output_buffer): Adjust Initialization.
1695 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1697 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1699 * ifcvt.c (if_convert): Do not free NULL.
1701 2000-05-12 Nick Clifton <nickc@cygnus.com>
1703 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1704 to move a double word value.
1705 (di_operand): New function: Return true if the operand is suitbale
1706 for a double word move operation.
1707 (nonimmediate_di_operand): New function: Return true if the
1708 operand is a DImode register or MEM.
1710 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1711 nonimmediate_di_operand.
1713 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1714 nonimmediate_di_operand.
1716 * config/fr30/fr30.md (movdi): New pattern. Required because
1717 other patterns generate DImode results.
1718 (movdi_insn): New pattern.
1720 2000-05-12 Richard Henderson <rth@cygnus.com>
1722 * config/alpha/alpha.c (struct shadow_summary): Define
1723 bitfields as type unsigned int.
1725 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1727 * config/avr/t-avr: Added definition of FLOAT while generates
1730 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1731 peepholes for tst+jump = sbrs/sbrc optimization.
1733 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1735 * expr.c (emit_push_insn): Do not adjust stack pointer when
1738 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1740 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1741 * system.h (offsetof): ... to here.
1743 2000-05-12 Richard Henderson <rth@cygnus.com>
1745 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1746 * final.c (final_end_function): Use app_disable. Rearrange note
1747 handling into a switch. Emit deleted labels.
1748 (output_asm_label): Generate label strings for deleted labels.
1749 * flow.c (tail_recursion_label_list): New.
1750 (find_basic_blocks_1): Set label_value_list directly. Collect list
1751 of tail recursion labels from call_placeholders. Don't add deleted
1752 labels to the label value list.
1753 (cleanup_cfg): Use free_EXPR_LIST_list.
1754 (flow_delete_insn_chain): Turn non-removable labels into notes.
1755 (flow_delete_block): Don't disable deleting the block because of
1756 a non-removable label.
1757 (tail_recursion_label_p): New.
1758 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1760 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1762 (merge_blocks): Disable a merge because of tail recursion labels.
1763 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1764 Use a more accurate measure of not merging the join block.
1765 (find_if_block): Don't disable conversion because of a label.
1766 (find_if_case_1, find_if_case_2): Likewise.
1767 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1768 element when copying.
1769 (squeeze_notes): Also leave EH notes.
1770 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1772 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1774 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1775 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1776 referring to a deleted label. Convert tail handling to a switch.
1777 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1778 for NOTE_INSN_DELETED_LABEL.
1779 (NOTE): Fix commentary.
1780 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1781 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1782 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1783 (LABEL_NUSES, LABEL_REFS): Likewise.
1784 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1786 2000-05-12 Bruce Korb <bkorb@gnu.org>
1788 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1789 * fixinc/check.diff: updated
1790 * fixinc/inclhack.def: corrected & added some test_text-s
1791 * fixinc/genfixes: removed unneeded options to autogen invocation
1792 * fixinc/fixincl.tpl: Specified the output file
1793 * fixinc/fixfixes.c: visual appearance
1794 * fixinc/fixincl.x: regenerate
1796 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1798 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1799 CTRL_defn_fix): Delete.
1800 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1801 char_macro_def_fix and char_macro_use_fix, respectively. Put
1802 them into the FIXUP_TABLE. Get the string to search for from
1805 (format_write): New function.
1806 (format_fix): Use it.
1808 (FIX_PROC_HEAD): Constify text parameter.
1809 (machine_name_fix): Constify all char *s.
1810 * fixtests.c (skip_quote): Remove double static.
1812 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1813 ctrl_use_quotes): Update for new scheme.
1814 * fixincl.x: Regenerate.
1816 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1818 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1820 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1821 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1823 2000-05-11 Robert Lipe <robertlipe@usa.net>
1825 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1826 * fixincl.x: Regenerate.
1828 2000-05-11 Richard Henderson <rth@cygnus.com>
1830 * calls.c: Revert both 05-09 patches.
1832 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1834 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1836 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1839 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1840 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1842 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1844 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1846 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1848 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1850 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1852 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1853 * config/avr/avr.c (jump_over_one_insn_p): New function.
1854 * config/avr/avr.md: New peepholes added. Output test and
1855 conditional jump to "sbrc" or "sbrs" command.
1857 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1859 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1861 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1863 * except.c (find_exception_handler_labels_1): New function.
1864 (find_exception_handler_labels): Split into two functions, dive
1865 into CALL_PLACEHOLDERs when looking for exception handler labels.
1867 2000-05-11 Stan Cox <scox@cygnus.com>
1869 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1870 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1871 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1873 2000-05-11 Bruce Korb <bkorb@gnu.org>
1875 * fixinc/fixfixes.c (double_slash_fix): obsolete
1876 (else_endif_label_fix): obsolete
1877 (format_fix): new, unused as yet
1879 * fixinc/fixlib.h: added fix description struct for use by format_fix
1880 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1881 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1882 modules. Removed the vestiges of the script version.
1883 Added support for "make check".
1884 * fixinc/check.diff: base diff file (needs work!!)
1885 * fixinc/check.tpl: quiet the fixup output
1886 * fixinc/fixtests.c (main): obsolete
1887 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1888 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1890 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1892 * toplev.c (rest_of_compilation): Remove dead code after
1895 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1897 * cpphash.c (collect_funlike_expansion): Make "# is not
1898 followed by a macro argument name" a pedwarn, not an error.
1899 Preserve the # in the output. Suppress the warning if lang_asm.
1901 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1903 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1904 * configure: Rebuilt.
1906 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1908 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1910 2000-05-10 Kazu Hirata <kazu@hxi.com>
1912 * combine.c (try_combine): Fix a typo.
1914 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1916 * config/ia64/ia64.md (insv): Add comment.
1918 2000-05-10 Richard Henderson <rth@cygnus.com>
1920 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1921 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1922 dependancies on FPBIT and DPBIT.
1924 2000-05-10 Nick Clifton <nickc@redhat.com>
1926 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1927 when optimising for size.
1928 (mark_used_regs:) Ditto.
1929 (try_pre_increment_1): Ditto.
1931 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1933 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1934 Make error message friendlier.
1936 * cpphash.h (struct hashnode): Use struct hack for name
1938 * cpphash.c (struct hashdummy): New.
1939 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1940 (make_HASHNODE): No need to set ->name pointer. Correct
1942 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1944 2000-05-10 Richard Henderson <rth@cygnus.com>
1946 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1949 2000-05-10 Bruce Korb <bkorb@gnu.org>
1951 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1953 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1955 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1956 after we enter .debug.
1958 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1960 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1961 abstract instance of a nested inline function.
1963 * stor-layout.c (finish_record_layout): finalize_type_size
1964 before laying out the pending_statics.
1966 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1968 * cpplex.c (spell_token): New function.
1969 (spell_string, spell_comment, spell_name): fold into
1972 (E, H): Remove macros.
1973 (save_comment): Save comment opening characters too.
1974 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1976 * cpplib.h (I, S): Add macros.
1977 (E, H): Remove macros.
1978 (TTYPE_TABLE): Update entries for new speller.
1979 (SYNTAX_ASSERT): Remove.
1981 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
1983 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
1984 when removing escaped newlines. Reverse sense of test for
1987 2000-05-09 Richard Henderson <rth@cygnus.com>
1989 * flow.c (find_basic_blocks_1): Do not delete the first
1990 bb_note we run across.
1991 (create_basic_block): Use reorder_insns to move an existing
1992 bb_note to the correct place.
1994 2000-05-09 Richard Henderson <rth@cygnus.com>
1996 * calls.c (expand_call): Increment currently_expanding_call
1997 before calling optimize_tail_recursion.
1999 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2001 * reload1.c (reload_combine): Fix errors in last change.
2003 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2005 * gcc.c (used_arg): Skip over a semicolon at the end of the
2006 split-up loop; don't break out of it.
2008 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2009 (tree.o): Depend on output.h.
2011 * c-decl.c (pending_invalid_xref_file,
2012 current_function_prototype_file): Constify.
2013 (pushdecl): Constify a local char *.
2014 (define_label): Constify filename parameter.
2015 * c-lex.c (init_parse): Constify parameter and return value.
2016 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2017 * c-tree.h: Update prototypes.
2018 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2019 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2020 objc/objc-parse.c: Regenerate.
2022 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2023 * dwarfout.h: Update prototypes.
2024 * expr.c (expand_expr): Constify a local char *.
2025 * flags.h: Constify main_input_filename.
2026 * function.c (expand_function_end): Constify filename parameter.
2027 * genrecog.c (make_insn_sequence): Use a character array for
2029 (main): Remove unused variables.
2030 * input.h: Constify input_filename, main_input_filename, and
2031 file_stack.name. Update prototypes.
2032 * output.h: Declare first_global_object_name and
2033 weak_global_object_name here, as const char *.
2034 * stmt.c (expand_asm_operands): Constify filename parameter.
2035 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2036 Constify filename parameter.
2037 (input_filename, main_input_filename): Constify.
2038 * toplev.h: Update prototypes.
2039 * tree.c: Include output.h. Don't declare
2040 first_global_object_name or weak_global_object_name. Clean up string
2041 bashing in get_file_function_name_long.
2042 * tree.h (struct tree_decl): Constify filename member.
2043 (input_filename): Constify.
2045 * varasm.c (first_global_object_name, weak_global_object_name):
2047 (assemble_start_function, assemble_variable): Clean up string bashing.
2049 * gcc.c: Constify all spec-related strings initialized,
2050 transitively, from string constants. Constify all strings
2051 and string variables related to multilibs.
2052 (set_spec, read_specs): Cast argument to free to PTR.
2053 (used_arg): Do not modify multilib_matches. Use strncmp plus
2054 length comparison to compare multilib switches.
2055 * genmultilib: Constify everything declared in multilib.h.
2057 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2059 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2062 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2064 * config/avr/avr-protos.h (extra_constraint): change a type of
2065 second argument from char to int to avoid warnings.
2066 (asm_output_byte): Likewise.
2068 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2069 (initial_elimination_offset): Handle elimination from
2070 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2071 (legitimate_address_p): Use MAX_LD_OFFSET.
2072 (legitimize_address): Likewise.
2073 (out_movqi_r_mr): Likewise.
2074 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2075 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2076 (out_movsi_mr_r): Likewise.
2077 (out_movqi_mr_r): Likewise.
2078 (out_movhi_mr_r): Likewise.
2079 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2080 count as CONST_INT != 6.
2081 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2082 shift count is a CONSTANT_P, but not a CONST_INT.
2083 (ashlhi3_out): Coding style modifications.
2084 (ashlsi3_out): Likewise.
2085 (ashrhi3_out): Likewise.
2086 (ashrsi3_out): Likewise.
2087 (lshrhi3_out): Likewise.
2088 (lshrsi3_out): Likewise.
2089 (ashrqi3_out): Generate shift for any known constant count without
2090 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2091 but not a CONST_INT.
2092 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2093 shift count is a CONSTANT_P, but not a CONST_INT.
2094 (extra_constraint): change a type of
2095 second argument from char to int to avoid warnings.
2096 (asm_output_byte): Likewise.
2097 (asm_file_end): Output size generated commands count as a hex
2100 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2102 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2104 (ashlqi3): Values of "length" attribute changed. Shift count
2105 uses constraints 'n' instead of 'i'.
2106 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2107 shifts without clobber register.
2108 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2109 (call_insn): Correct test for which_alternative == 1 (was 0).
2110 (call_value_insn): Likewise.
2112 * config/avr/t-avr: Remove definition of FLOAT while generates
2115 2000-05-09 Bruce Korb <bkorb@gnu.org>
2117 * fixinc/check.tpl: Template for checking fixes
2118 * fixinc/inclhack.def: Added 'test_text' for many fixes
2119 disable hpux8_bogus_inlines on SCO
2120 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2122 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2124 * calls.c (expand_call): Reorganize somewhat in order
2125 to avoid unnecesary recalculation inside loop and make
2126 tail call failure code cleaner.
2128 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2130 * alias.c (nonlocal_reference_p): Minor reformatting.
2131 * reload.c (find_equiv_reg): Simplify logic for
2132 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2133 some some reformatting.
2134 * reload1.c (reload_combine): Don't assume everything in
2135 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2137 2000-05-08 Richard Henderson <rth@cygnus.com>
2139 * final.c (current_insn_predicate): New.
2140 (final_scan_insn): Set it.
2141 * output.h (current_insn_predicate): Declare.
2143 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2144 Attach it to call insns.
2145 (cond_exec_process_if_block): Track probability for true and
2147 (dead_or_predicable): Likewise.
2149 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2150 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2151 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2152 (estimate_probability, expected_value_to_br_prob): Use them.
2154 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2155 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2156 (ia64_expand_prediction): New.
2157 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2158 as needed after calls.
2159 (ia64_epilogue_uses): Mark b0 used.
2160 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2161 (bne_true, bne_false): Remove.
2162 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2163 (br_true, br_false): New. Use predicate_operator and
2164 ia64_expand_prediction.
2165 (return_true, return_false): Likewise.
2166 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2167 (call_internal1, call_value_internal): Likewise.
2168 (call_value_internal1, call_multiple_values_internal1): Likewise.
2170 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2172 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2174 2000-05-08 Richard Henderson <rth@cygnus.com>
2176 * rtlanal.c (may_trap_p): Consider old-style and volatile
2179 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2181 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2183 2000-05-08 Richard Henderson <rth@cygnus.com>
2185 * config/ia64/ia64.h (predicate_operator): Declare.
2187 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2190 * gensupport.c (process_rtx): Copy and post-process each member
2191 of the define_insn rtvec individually.
2193 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2195 * cpplex.c (spell_token): New function.
2196 (TOKEN_LEN): Add 1 for whitespace.
2197 (_cpp_lex_file): Update to use spell_token.
2198 * cpplib.h (E): Remove.
2199 (TTYPE_TABLE): Update CPP_VSPACE entry.
2201 2000-05-08 Richard Henderson <rth@cygnus.com>
2203 * flow.c (init_propagate_block_info): Watch out for conditional
2204 branch to next instruction, and thus one outgoing edge.
2206 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2207 for global register variables; don't special case __[CD]TOR_LIST__;
2208 mind ggc_p for string allocation.
2210 2000-05-08 Nick Clifton <nickc@cygnus.com>
2212 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2214 2000-05-08 Bruce Korb <bkorb@gnu.org>
2216 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2217 i?86-*-msdosdjgpp* no longer uses fixincludes
2218 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2219 * fixinc/inclhack.sh: deleted
2220 * fixinc/hackshell.tpl: deleted
2221 * fixinc/inclhack.tpl: deleted
2222 * fixinc/Makefile.in: Remove dependencies on above
2223 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2225 2000-05-08 Andreas Jaeger <aj@suse.de>
2227 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2230 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2232 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2235 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2237 * cpplex.c: Move new lexer definitions and prototypes
2238 to top. Conditional include these and the code if
2239 NEW_LEXER is defined. Rename functions whose names
2240 clash if this code included.
2242 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2244 * rtl.def (COND_EXEC): Clarify.
2246 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2247 same fashion as zero_extendsidi2.
2249 2000-05-06 Richard Henderson <rth@cygnus.com>
2251 * config/ia64/ia64.c (predicate_operator): New.
2252 (ia64_print_operand): Handle 'J'.
2253 (rtx_needs_barrier): Handle COND_EXEC.
2254 * config/ia64/ia64.h (BRANCH_COST): Define.
2255 (PREDICATE_CODES): Update.
2256 * config/ia64/ia64.md: Docuement used unspec values.
2257 (attr predicable): New.
2258 (movxf, movxf_internal): New.
2259 (extendsfdf2): Don't comment out nop.
2260 (floatdidf2): Remove.
2261 (truncxfsf2, truncxfdf2, floatdixf2): New.
2262 (abssi2, absdi2): Put the neg in the "true" slot.
2263 (conditional branch instructions): Mark not predicable.
2264 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2265 (abs*_internal): Likewise.
2266 (alloc, set_bsp): Mark not predicable.
2267 (barrier, insn_group_barrier, flush_cache): Likewise.
2268 (define_cond_exec): New.
2270 2000-05-06 Richard Henderson <rth@cygnus.com>
2272 * c-decl.c: Include "tm_p.h".
2274 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2275 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2276 (ia64_expand_op_and_fetch): Declare.
2277 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2278 (setjmp_operand): Constify variables for XSTR.
2279 (ia64_encode_section_info): Likewise.
2280 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2282 (ia64_asm_output_external): Constify name.
2283 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2284 (process_for_unwind_directive): Provide switch default.
2285 (ia64_expand_compare_and_swap): Remove unused variables.
2286 (ia64_expand_builtin): Likewise.
2287 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2290 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2291 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2292 (shift_count_operand, shift_32bit_count_operand): Likewise.
2293 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2294 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2295 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2296 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2297 (ia64_expand_builtin): Likewise.
2298 (call_multiple_values_operation): Make dest_regno unsigned.
2300 2000-05-06 Richard Henderson <rth@cygnus.com>
2302 * rtl.def (DEFINE_COND_EXEC): New.
2303 * md.texi: Document it.
2305 * gensupport.c (input_file): Remove.
2306 (struct queue_elem): Add lineno.
2307 (rtx_ready_queue): Remove.
2309 (predicable_default): New.
2310 (predicable_true, predicable_false): New.
2311 (define_attr_queue, define_attr_tail): New.
2312 (define_insn_queue, define_insn_tail): New.
2313 (define_cond_exec_queue, define_cond_exec_tail): New.
2314 (other_queue, other_tail): New.
2315 (queue_pattern): New.
2316 (process_rtx): Add patterns to the appropriate queues.
2317 (is_predicable, identify_predicable_attribute): New.
2318 (n_alternatives, collect_insn_data): New.
2319 (alter_predicate_for_insn, alter_test_for_insn): New.
2320 (shift_output_template, alter_output_for_insn): New.
2321 (process_one_cond_exec, process_define_cond_exec): New.
2322 (init_md_reader): Read the entire file. Process define_cond_exec.
2323 (read_md_rtx): Return elements from the queues.
2325 2000-05-06 Richard Henderson <rth@cygnus.com>
2327 * flow.c (mark_set_1): Don't update conditional life info
2328 if the register is not_dead.
2330 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2332 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2333 (mostlyclean): Also delete fixincl, fixinc.sh, and
2334 specs.ready, and make clean in the fixinc subdir.
2336 2000-05-06 Richard Henderson <rth@cygnus.com>
2338 * Makefile.in (gensupport.o): Compile for the host.
2339 (host-prefix gensuuprt.o): Remove.
2340 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2341 (genattrtab.o): Likewise.
2342 (gencodes.o): Depend on gensupport.h.
2343 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2344 (genpeep.o, genattr.o, genoutput.o): Likewise.
2346 * gensupport.c (obstack, rtl_obstack): New.
2347 (init_md_reader): Initialize rtl_obstack.
2348 * gensupport.h (rtl_obstack): Declare.
2349 (message_with_line): Declare.
2351 * genattr.c: Remove all traces of obstack manipulation.
2352 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2353 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2355 * genattrtab.c (obstack, rtl_obstack): Remove.
2356 (main): Don't init rtl_obstack.
2357 * genflags.c: Likewise.
2359 * genrecog.c (message_with_line): Move ...
2360 * gensupport.c: ... here.
2362 2000-05-06 Richard Henderson <rth@cygnus.com>
2364 * c-typeck.c (build_c_cast): Remove dead code.
2366 2000-05-06 Richard Henderson <rth@cygnus.com>
2368 * flow.c (split_edge): Don't allocate global_live_at_start for
2369 the new block unless the old blocks had them as well.
2371 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2373 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2374 test_bb if a or b uses x.
2376 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2378 * cpphash.h: Remove conditional #define of __extension__.
2379 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2380 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2381 (ENABLE_RTL_CHECKING only).
2382 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2383 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2384 (ENABLE_TREE_CHECKING only).
2385 * varray.h: Add __extension__ to VARRAY_CHECK macro
2386 (ENABLE_CHECKING only).
2388 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2390 Use new tail-calling mechanism on ARM.
2391 * arm.md (sibcall, sibcall_value): New expands.
2392 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2393 (tailcalling peepholes): Delete.
2394 (push_multi): Simplify.
2395 * arm.c (lr_save_eliminated): Delete definition.
2396 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2397 (output_return_instruction): Remove checks on lr_save_eliminated.
2398 (output_arm_prologue): Remove old tail-calling code.
2399 (arm_output_epilogue): New parameter, really_return. All callers
2400 changed. Handle tail-calling epilogues.
2401 * arm.h (lr_save_eliminated): Delete declaration.
2402 (frame_pointer_needed): Delete declaration.
2403 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2405 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2407 * arm.c (thumb_code): Define it.
2408 (arm_override_options): Set it.
2409 * arm.h (thumb_code): Declare it.
2411 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2413 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2415 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2417 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2418 bogus clobber to insns.
2419 (load_multiple_operation, store_mulitple_operation): Don't check
2421 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2423 * arm.md (and_scc, ior_scc): Add missing mode.
2425 * arm.md (call_value_symbol): Remove predicate from op2.
2427 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2429 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2431 * expr.c (get_subtarget): New function.
2432 (force_operand, expand_expr, do_store_flag): Use it.
2434 * toplev.c (compile_file): Don't take strlen of NAME if null.
2436 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2438 * xcoffout.c (xcoff_current_include_file,
2439 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2440 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2442 (xcoffout_declare_function): Make name 'const char *'.
2443 (xcoffout_end_epilogue): Make fname 'const char *'
2444 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2445 xcoffout_declare_function, xcoffout_source_line): Match above.
2447 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2449 * rs6000.c (print_operand): Fix lossage typo.
2450 (output_cbranch): Remove "cr" decoration for now.
2451 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2453 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2455 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2458 2000-05-05 Bruce Korb <bkorb@gnu.org>
2460 * fixinc/genfixes: Improve the matching for make target names
2462 2000-05-05 Catherine Moore <clm@cygnus.com>
2464 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2465 attribute to the decl.
2466 * c-decl.c (pushdecl): Propagate the USED attribute to the
2469 2000-05-05 Richard Henderson <rth@cygnus.com>
2471 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2472 same way emit_group_load does.
2474 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2476 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2478 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2481 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2483 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2485 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2487 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2488 to support -shared, on platforms with dynamic libraries.
2490 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2492 * system.h (S_ISBLK): Provide fallback definition.
2494 2000-05-05 Geoff Berry <geoffb@bops.com>
2496 * extend.texi (Extended Asm): Document inability to give asm
2497 statements access to condition codes.
2499 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2501 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2502 as arg 2 of UNIQUE_SECTION.
2504 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2506 * predict.c: Remove May 4 change.
2507 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2508 if we have predicted the branch at 50-50 probability.
2510 2000-05-05 Richard Henderson <rth@cygnus.com>
2512 * flow.c (init_propagate_block_info): Fix merge error
2513 in HAVE_conditional_execution code.
2515 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2517 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2518 shift cycle for unknown shift count. Also generates dec + brpl.
2519 (ashlqi3_out): Don't generate dec + brpl which now generates by
2520 `out_shift_with_cnt'.
2521 (ashlhi3_out): Likewise.
2522 (ashlsi3_out): Likewise.
2523 (ashrqi3_out): Likewise.
2524 (ashrhi3_out): Likewise.
2525 (ashrsi3_out): Likewise.
2526 (lshrqi3_out): Likewise.
2527 (lshrhi3_out): Likewise.
2528 (lshrsi3_out): Likewise.
2530 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2532 * gcc.c (free_split_directories): Correct typo in explanation
2533 of make_relative_prefix.
2535 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2537 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2538 comparison codes to branch_comparison_operator.
2540 2000-05-04 Richard Henderson <rth@cygnus.com>
2542 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2544 2000-05-04 Richard Henderson <rth@cygnus.com>
2546 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2547 (DPBIT_FUNCS): Remove _sf_to_usi.
2548 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2550 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2551 between condition and jump.
2553 * libgcc2.c (near eh_context_specific): Comment #endif string.
2554 * longlong.h: Don't use strings with embedded newlines.
2556 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2558 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2559 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2560 (print_operand): Delete %t and %T codes.
2561 (output_cbranch): New function. Support branch prediction.
2562 * config/rs6000/rs6000.md: Use output_cbranch for
2563 conditional branches and returns.
2565 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2567 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2568 * stor-layout.c (place_field): Likewise.
2569 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2570 * expr.c (store_expr): Make align unsigned.
2571 * explow.c (plus_constant_wide): Make low words unsigned.
2572 * expmed.c (choose_multiplier): Likewise.
2573 * fold-const.c (fold): Likewise.
2574 * tree.h (build_int_2): Likewise.
2575 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2576 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2577 (init_emit): Change cast to unsigned char*.
2578 * varasm.c (compare_constant_1): Add cast to char*.
2579 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2580 * reload1.c (reload): Likewise.
2582 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2584 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2586 * predict.c (estimate_probability): If no prediction was found, then
2587 predict the successor that is the next physical block (if such a
2590 2000-05-04 Richard Henderson <rth@cygnus.com>
2592 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2594 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2596 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2598 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2600 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2601 attribute macros from here ...
2602 (CPP_SPEC): to here.
2603 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2604 (CPP_SPEC): Likewise.
2605 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2607 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2608 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2610 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2614 * diagnostic (vbuild_message_string, build_message_string,
2615 build_location_prefix, output_get_prefix, init_output_buffer,
2616 output_notice, vline_wrapper_message_with_location,
2617 v_message_with_decl, default_print_error_function): De-constify.
2618 (set_real_maximum_length): Prototype.
2620 * diagnostic.h (struct output_buffer, init_output_buffer,
2621 output_get_prefix, output_set_prefix): De-constify.
2623 * function.c (init_function_start): Constify.
2625 * gensupport.c (remove_constraints, process_rtx): Prototype.
2627 * gthr-posix.h: Indent uses of #pragma.
2629 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2632 * predict.c (find_expected_value): Delete prototype.
2633 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2635 * sbitmap.h (debug_sbitmap): Prototype.
2637 * ssa.c (compute_coalesced_reg_partition): Prototype.
2639 * stor-layout.c (debug_rli): Prototype.
2641 * tree.h (round_down): Prototype.
2642 (init_function_start): Constify.
2644 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2646 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2647 (overly conservative). Change extern inline wrappers to
2648 static inline, define them always, use PARAMS properly.
2649 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2650 whitespace warnings for \f and \v at the beginning of a line.
2652 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2654 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2657 2000-05-04 Bruce Korb <bkorb@gnu.org>
2659 * fixincl/inclhack.def: added broken_cabs -
2660 Remove `extern double cabs' declarations from math.h
2661 * fixincl/inclhack.sh: regen
2662 * fixincl/fixincl.x: regen
2663 * fixincl/fixincl.c: Remove BOGOSITY code
2664 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2666 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2668 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2670 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2671 when calling MEM_COPY_ATTRIBUTES.
2672 * emit-rtl.c (operand_subword, change_address): Likewise.
2673 * explow.c (stabilize): Likewise.
2674 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2675 * integrate.c (copy_rtx_and_substitute): Likewise.
2676 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2677 when calling MEM_COPY_ATTRIBUTES.
2678 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2680 * cse.c (gen_lowpart_if_possible): Likewise.
2681 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2682 * optabs.c (gen_move_insn): Likewise.
2683 * recog.c (validate_replace_rtx_1): Likewise.
2684 * simplify-rtx.c (add_mem_for_addr): Likewise.
2685 * stmt.c (expand_anon_union_decl): Likewise.
2686 * config/arm/arm.md: Likewise.
2687 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2688 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2689 (block_move_no_loop, block_move_sequence): Likewise.
2690 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2691 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2692 Clear MEM_ALIAS_SET.
2693 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2694 MEM_COPY_ATTRIBUTES.
2696 2000-05-03 Robert Lipe <robertlipe@usa.net>
2698 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2699 to suppress libgcc1.
2700 (i[34567]86-*-sco3.2v5*) Likewise.
2701 (i[34567]86-*-sco3.2v4*) Likewise.
2702 (i[34567]86-*-sco) Likewise.
2703 (i[34567]86-*-solaris2) Likewise.
2704 (i[34567]86-*-sysv5*) Likewise.
2705 (i[34567]86-*-sysv4*) Likewise.
2706 (i[34567]86-*-udk*) Likewise.
2707 (i[34567]86-*-sysv*) Likewise.
2709 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2711 * cpphash.h (U): New define, to correct type of string constants.
2712 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2713 routines, to do casts when passing unsigned strings to libc.
2714 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2716 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2717 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2718 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2719 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2720 second argument an U_CHAR *.
2722 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2723 length field, clean up initializer.
2724 (ISTABLE): Add __extension__ to designated-
2725 initializers version.
2726 * cpplex.c (CHARTAB): Likewise.
2728 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2729 case so the file won't be empty.
2731 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2733 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2734 (REORDER_BLOCK_SUCC): Removed.
2735 (enum reorder_skip_type): Removed.
2736 (skip_insns_between_block): Renamed to skip_insns_after_block.
2737 Removed second argument. Removed dead code and cleaned up.
2738 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2739 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2740 second parameter to skip_insns_after_block.
2742 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2744 * tree.c (staticp, case LABEL_DECL): New case.
2746 2000-05-03 Richard Henderson <rth@cygnus.com>
2748 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2750 * mklibgcc1.in: Fix typo last change.
2752 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2754 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2755 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2756 (GCC_CFLAGS): Use it.
2757 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2758 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2759 objc/Make-lang.in: Use it.
2761 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2763 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2765 2000-05-03 Richard Henderson <rth@cygnus.com>
2767 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2768 LIBGCC1 empty with libgcc1.null.
2770 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2772 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2775 2000-05-03 Greg McGary <gkm@gnu.org>
2777 * tree.h (tree_common): Add bounded_flag member. Remove
2778 inaccurate comment about number of remaining bits.
2779 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2780 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2781 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2782 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2783 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2784 (TYPE_QUAL_BOUNDED): New constant.
2785 (TYPE_QUALS): Handle bounded qualifier.
2786 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2787 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2788 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2789 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2790 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2791 (tree_type): Add pointer_depth member. Remove
2792 inaccurate comment about number of remaining bits.
2793 (DECL_POINTER_DEPTH): Add macro.
2794 (tree_decl): Add pointer_depth member.
2796 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2798 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2799 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2800 (lshrhi3_out): Likewise.
2801 (ashrsi3_out): bugfix in shift by 8.
2802 (test_hard_reg_class): New function.
2803 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2804 (ashlhi3): removed define_expand of this pattern.
2805 (*ashlhi3_insn): renamed to ashlhi3.
2806 (ashlsi3): removed define_expand of this pattern.
2807 (*ashlsi3_insn): renamed to ashlsi3.
2808 (ashrqi3): removed define_expand of this pattern.
2809 (*ashrqi3_insn): renamed to ashrqi3.
2810 (ashrhi3): removed define_expand of this pattern.
2811 (*ashrhi3_insn): renamed to ashrhi3.
2812 (ashrsi3): removed define_expand of this pattern.
2813 (*ashrsi3_insn): renamed to ashrsi3.
2814 (lshrhi3): removed define_expand of this pattern.
2815 (*lshrhi3_insn): renamed to lshrhi3.
2816 (lshrsi3): removed define_expand of this pattern.
2817 (*lshrsi3_insn): renamed to lshrsi3.
2819 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2821 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2822 inclusion of "system.h".
2824 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2826 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2829 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2831 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2832 if -mauto-pic is on.
2833 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2834 -mconstant-gp is in effect and function-descriptors are being used
2835 to make indirect calls.
2836 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2837 (MASK_AUTO_PIC): Ditto.
2838 (TARGET_CONST_GP): Ditto.
2839 (TARGET_AUTO_PIC): Ditto.
2840 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2841 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2842 -mno-pic is in effect.
2843 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2844 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2845 -mauto-pic is in effect.
2846 (gprel64_offset): New pattern.
2847 (load_gprel64): Ditto.
2848 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2849 -mconstant-gp is in effect, no need to preserve gp around direct
2851 (call_value): Ditto.
2852 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2853 (FUNCTION_PROFILER): Define.
2854 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2855 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2856 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2858 2000-05-03 Richard Henderson <rth@cygnus.com>
2860 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2861 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2862 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2863 (mklibgcc, libgcc.mk): New targets.
2864 (libgcc.a): Use libgcc.mk.
2865 (stmp-multilib): Likewise.
2866 (stmp-multilib-sub): Remove.
2867 (mostlyclean): Don't delete libgcc2 temp files.
2868 * configure.in (AC_PROG_CC_C_O): Add.
2869 (NO_MINUS_C_MINUS_O): Substitute it.
2870 (all_outputs): Add mklibgcc.
2871 * mklibgcc.in: New file.
2873 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2875 * cppexp.c (op_t): Make an int.
2877 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2879 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2881 * gensupport.c (process_rtx): Fix macros used.
2883 2000-05-03 Richard Henderson <rth@cygnus.com>
2885 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2886 call-clobbered registers of a call.
2888 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2890 * gensupport.c: New file.
2891 * gensupport.h: New file.
2892 * Makefile.in (HOST_RTL): Depend on gensupport.
2893 (gensupport.o) New rule.
2894 * genattr.c: Use gensupport for reading .md files.
2895 * genattrtab.c: Ditto.
2896 * gencodes.c: Ditto.
2897 * genconfig.c: Ditto.
2899 * genextract.c: Ditto.
2900 * genflags.c: Ditto.
2901 * genopinit.c: Ditto.
2902 * genoutput.c: Ditto.
2904 * genrecog.c: Ditto.
2905 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2906 * md.texi (Insn Splitting): Document define_insn_and_split.
2908 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2910 * flow.c (verify_flow_info): Added two more sanity checks. The
2911 first checks that the blocks are numbered consecutively. The second
2912 checks that n_basic_blocks is actually equal to the number of
2913 basic blocks in the insn chain.
2915 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2917 * cpplib.h: Add accessor macros for token lists.
2918 * cpplib.c, cpphash.c, cpplex.c: Use them.
2920 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2922 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2923 memory usage if not in a function.
2924 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2925 return address if static.
2927 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2929 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2930 whether address may trap.
2932 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2934 * bb-reorder (chain_reorder_blocks): Changed code to test for
2935 EDGE_FALLTHRU rather than making erroneous assumption that the
2936 first outgoing edge is the fall-through edge.
2938 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2940 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2941 ABI for varargs, across all MIPS. This is incompatible because the
2942 va_list (__builtin_va_list) structure is different, so a compilation
2943 unit passing a va_list and a compilation unit being passed one, should
2944 both be compiled with the same ABI. (The old structure had two
2945 pointers, now it has three.)
2947 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2949 * bb-reorder.c (struct reorder_block_def): Remove members end,
2950 block_begin, and block_end.
2951 (REORDER_BLOCK_OLD_END): Delete.
2952 (REORDER_BLOCK_BEGIN): Delete.
2953 (REORDER_BLOCK_END): Delete.
2954 (chain_reorder_blocks): Remove dead code.
2956 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2958 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2959 notes as the end of a basic block before deleting.
2961 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2963 * final.c (final_start_function): Fix spelling of "necessary".
2965 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2967 * toplev.c (debug_ignore_block): Return int.
2968 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2969 * toplev.h, dwarf2out.h: Adjust.
2970 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2972 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2973 * toplev.c, final.c, rtl.h: Adjust.
2975 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2977 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2978 * configure.in: Look for makeinfo in the unified tree, then
2979 for a system makeinfo which is sufficiently new.
2980 * Makefile.in: If configure says makeinfo is too old, don't
2981 build or install Info documentation.
2983 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2985 * cpphash.c (collect_params): Fix off-by-one error.
2986 (dump_hash_helper): Dump all four macro nodetypes.
2988 2000-05-02 Jakub Jelinek <jakub@redhat.com>
2990 * cpphash.c (trad_stringify): Adjust p after stringification as
2993 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2995 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
2996 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
2998 * cppfiles.c (file_cleanup): Delete.
2999 * cpphash.c (macro_cleanup): Delete.
3000 (collect_objlike_expansion, collect_funlike_expansion,
3001 macarg, scan_arguments): Remove CPP_POP case.
3003 * cpplex.c (null_cleanup): Delete.
3004 (cpp_pop_buffer): Do the work that was done in the cleanups
3005 here. Call _cpp_unwind_if_stack from here.
3006 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3007 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3008 stack is the buffer _below_ the one we stacked.
3009 (cpp_get_token): Always pop an exhausted buffer. Return
3010 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3011 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3012 increment the line number.
3013 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3015 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3016 we see CPP_EOF and the top of stack is the buffer _below_ the
3018 * scan-decls.c: Likewise.
3020 2000-05-02 Andrew Haley <aph@cygnus.com>
3022 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3023 where this function is called for the second time on a decl that
3024 has had its section info changed in such a way as to move it out
3026 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3028 2000-05-01 Richard Henderson <rth@cygnus.com>
3030 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3031 the sequence we're moving, not to merge_bb->head.
3033 2000-05-01 Richard Henderson <rth@cygnus.com>
3035 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3036 reference to alpha/t-linux.
3037 (alpha*-*-linux-gnu*): Likewise.
3038 * configure: Rebuild.
3040 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3042 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3045 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3047 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3049 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3052 2000-05-01 Richard Henderson <rth@cygnus.com>
3054 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3055 emit_conditional_move.
3057 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3059 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3060 as the dynamic linker.
3062 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3064 * cppfiles.c (open_include_file): Open file in blocking mode.
3065 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3066 Only exclude block devices and directories.
3068 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3069 static. Allocate the hashnode and its string in the same
3071 (del_HASHNODE): Don't free h->name.
3072 (_cpp_lookup): If there is no entry for this string, create
3073 one, of type T_VOID.
3074 (_cpp_lookup_slot): Delete.
3075 * cpphash.h: Update prototypes.
3077 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3079 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3080 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3081 node here, just fill in the value field properly. "Delete"
3082 entries by setting the value field to T_VOID. Check for
3083 hp->type == T_VOID, not hp == NULL.
3085 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3086 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3089 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3091 * config/mn10300/mn10300.c (print_operand_address): Do not add
3094 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3095 adjusted by less than 256 bytes, use ret regardless of having any
3096 callee-saved register to restore.
3098 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3100 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3102 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3104 * config/i386/djgpp.h (INT_ASM_OP): Define.
3105 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3106 (ASM_WEAKEN_LABEL): Define.
3107 (MASK_BNU210): Define.
3108 (SUBTARGET_SWITCHES): Define.
3109 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3110 (MAKE_DECL_ONE_ONLY): Define.
3111 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3113 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3115 * i386/cygwin.h (INT_ASM_OP): Define.
3117 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3119 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3120 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3122 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3124 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3125 __tmp_reg__ and __zero_reg__ initialization.
3127 2000-04-30 Richard Henderson <rth@cygnus.com>
3129 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3131 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3132 referenced bewteen the condition and the jump. Don't delete
3133 anything but the jump.
3135 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3137 * bb-reorder.c (scope_def): New struct.
3138 (scope_forest_info): New struct.
3139 (struct reorder_block_def): New member "scope".
3140 (REORDER_BLOCK_SCOPE): New macro.
3141 (relate_bbs_with_scopes): New function and prototype.
3142 (make_new_scope): Likewise.
3143 (build_scope_forest): Likewise.
3144 (remove_scope_notes): Likewise.
3145 (insert_intra_1): Likewise.
3146 (insert_intra_bb_scope_notes): Likewise.
3147 (insert_inter_bb_scope_notes): Likewise.
3148 (rebuild_scope_notes): Likewise.
3149 (free_scope_forest_1): Likewise.
3150 (free_scope_forest): Likewise.
3151 (dump_scope_forest): Likewise.
3152 (dump_scope_forest_1): Likewise.
3153 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3154 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3156 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3157 and remove_scope_notes before reordering is done. Added calls to
3158 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3159 after reordering is done.
3161 2000-40-30 Bruce Korb <bkorb@gnu.org>
3163 * fixinc/inclhack.def: Added definitions needed by OSR5,
3164 removed two stale entries (defined away with OLD_CPP).
3165 * fixinc/inclhack.sh: regen
3166 * fixinc/fixincl.x: regen
3168 2000-04-30 Richard Henderson <rth@cygnus.com>
3170 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3171 from the last insn in the sequence.
3173 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3175 * cpplex.c (cpp_idcmp): New function.
3176 * cpplib.h: Prototype it.
3177 * scan_decls.c (scan_decls): Use it to inspect token names.
3178 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3179 the file being run through the preprocessor.
3180 (check_macro_names): Provide length of token to cpp_defined.
3182 * Makefile.in: Remove stale warning message.
3184 * cppfiles.c (redundant_include_p): Provide length of token to
3186 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3187 values are unsigned int.
3188 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3189 (_cpp_lookup_slot): Do not calculate the hash, either.
3190 * cpphash.h: Update prototypes.
3191 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3192 Hashes are unsigned int. Calculate hash here, pass by value
3193 to _cpp_lookup_slot.
3195 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3197 * simplify-rtx.c (check_value_useless): Delete function.
3198 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3200 (cselib_invalidate_regno): Likewise.
3201 (cselib_invalidate_mem_1): Likewise.
3202 (references_value_p): Recognize useless values by the fact that they
3204 (discard_useless_values): Likewise.
3205 (cselib_record_set): This may turn a useless value
3208 2000-04-30 Richard Henderson <rth@cygnus.com>
3210 * config/d30v: New port.
3212 * configure.in (d30v-*): Set fp format.
3213 * configure: Rebuild.
3215 2000-04-30 Richard Henderson <rth@cygnus.com>
3217 * ifcvt.c: New file.
3218 * Makefile.in (OBJS): Add it.
3219 (ifcvt.o): New target.
3220 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3221 and conditional arithmetic.
3222 (find_insert_position): Remove.
3223 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3224 * toplev.c (DFI_ce, DFI_ce2): New.
3225 (dump_file): Add ce and ce2 dumps.
3226 (rest_of_compilation): Run if_convert a couple o times. Set
3227 cse_not_expected after cse2. Don't set no_new_pseudos until
3228 after sched1 or recompute_reg_usage.
3230 2000-04-30 Richard Henderson <rth@cygnus.com>
3232 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3233 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3235 2000-04-30 Richard Henderson <rth@cygnus.com>
3237 * flow.c (struct reg_cond_life_info): New.
3238 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3239 (init_propagate_block_info): Initialize them.
3240 (free_propagate_block_info): Destruct them.
3241 (mark_set_1): Consider conditional life before killing a register.
3242 (mark_regno_cond_dead): New.
3243 (free_reg_cond_life_info): New.
3244 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3245 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3246 (mark_used_reg): Record conditional life.
3248 * haifa-sched.c (schedule_insns): Disable death counting
3249 sanity check for HAVE_conditional_execution.
3251 2000-04-30 Richard Henderson <rth@cygnus.com>
3253 * Makefile.in (TIMEVAR_H): New.
3254 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3255 (timevar.h): Remove rule.
3257 2000-04-29 Richard Henderson <rth@cygnus.com>
3259 * config/alpha/crtend.asm: Use C comments instead of #.
3260 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3262 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3264 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3266 * cpphash.h (enum node_type: Take out T_MCONST.
3267 (union hashval): Move into struct hashnode.
3268 (struct hashnode): Pack tighter. Remove file, line, col
3270 * cpphash.c: Constify most of the macro-definition structures.
3271 (struct definition): Replace by struct object_defn
3272 and struct funct_defn. Put file, line, column information
3273 here. All users updated to match.
3274 (_cpp_create_definition, _cpp_macroexpand): Remove special
3275 case for #define WORD OTHERWORD.
3276 * cpplib.c (do_undef): Remove T_MCONST case.
3278 * cpphash.h: Move struct reflist, struct definition, and the
3279 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3280 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3281 * cpphash.c (_cpp_free_definition): Free data pointed to by
3282 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3283 (_cpp_create_definition, del_HASHNODE): Just call
3284 _cpp_free_definition to clear out a hashnode.
3285 * cpplib.c (do_pragma_poison): Likewise.
3287 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3289 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3290 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3291 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3292 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3293 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3294 REGNO_AM33_P): Redefine in terms of the new macros.
3295 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3296 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3297 STRUCT_VALUE): Likewise.
3298 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3299 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3301 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3303 * regmove.c (struct record_stack_memrefs_data): New.
3304 (record_stack_memrefs): New function.
3305 (combine_stack_adjustments_for_block): Use it.
3307 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3309 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3310 use special_function_p to detect alloca.
3312 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3314 * gcc.texi: Fixes for makeinfo 4.0 --html.
3316 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3318 * pcp.h: Delete file.
3320 2000-04-28 Kazu Hirata <kazu@hxi.com>
3322 * h8300.c (function_epilogue): Clean up flags when the last insn
3323 in a function is a barrier.
3325 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3327 * configure.in (sparc-hal-solaris2*): protect [] glob from
3329 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3330 rather than hard-coded constants in target_cpu_default2.
3331 * configure: Regenerate.
3333 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3335 * tree.c (get_callee_fndecl): Extract the initial value from
3338 2000-04-28 Richard Henderson <rth@cygnus.com>
3340 * varasm.c (record_constant_1): Record the CODE_LABEL when
3341 taking the address of a LABEL_REF.
3343 2000-04-28 Richard Henderson <rth@cygnus.com>
3344 Jan Hubicka <jh@suse.cz>
3346 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3347 adjustment; don't do the stack adjust.
3348 (expand_call): Call compute_argument_block_size right before
3349 allocating the block; update comment; don't do alignment sanity
3350 checking for sibling call; use args_size instead of
3351 unadjusted_args_size before args_size is adjusted. Use
3352 combine_pending_stack_adjustment_and_call to compute stack adjust
3353 for must_preallocate case.
3355 * expr.c (push_block): Remove shadow `temp' in inner scope.
3357 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3359 * toplev.c (rest_of_compilation): Call
3360 note_deferral_of_defined_inline_function even if the function
3363 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3365 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3367 2000-04-28 Richard Henderson <rth@cygnus.com>
3369 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3371 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3373 * timevar.c (init_timevar): DeANSIfy function definition.
3375 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3377 * Makefile.in (timevar.o): Depend on flags.h.
3378 * timevar.c (unused_stack_instances): New variable.
3379 (timevar_push): Take a timevar_stack_def from
3380 unused_stack_instances if available.
3381 (timevar_pop): Push the popped timevar_stack_def onto
3382 unused_stack_instances.
3383 (TIMEVAR_ENABLE): New macro.
3384 (timevar_def): Make standalone a 1-bit field. Add field used.
3385 (get_time): Rename parameter to now. Return after clearing it if
3387 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3388 (timevar_pop): Likewise.
3389 (timevar_stop): Likewise.
3390 (timevar_push): Likewise. Mark the timing variable as used.
3391 (timevar_start): Likewise.
3392 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3393 timevars that were never used.
3395 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3397 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3398 always TREE_READONLY.
3400 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3402 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3403 for call instruction with mode QImode.
3405 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3407 * Makefile.in (OBJS): Add timevar.o.
3408 (toplev.o): Depend on timevar.h.
3409 (ggc-simple.o): Likewise.
3410 (ggc-page.o): Likewise.
3411 (timevar.o): New rule.
3412 (timevar.h): New rule.
3414 * timevar.h: New file.
3415 * timevar.c: Likewise.
3416 * timevar.def: Likewise.
3418 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3419 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3421 (TIMEVAR): Remove macro.
3422 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3423 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3424 flow_time, combine_time, regmove_time, sched_time,
3425 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3426 sched2_time, dbr_sched_time, reorder_blocks_time,
3427 rename_registers_time, shorten_branch_time, stack_reg_time,
3428 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3430 (compile_file): Don't initialize time variables. Call
3431 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3432 of many calls to print_time.
3433 (rest_of_compilation): Add timing for reload_cse_regs.
3434 (get_run_time): Removed to timevar.c.
3435 (print_time): Likewise.
3436 (get_run_time): Implement using TV_TOTAL time variable.
3437 (print_time): Get total run time from get_run_time.
3438 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3439 computing elapsed time explicitly.
3440 * ggc-simple.c (ggc_collect): Likewise.
3441 (gc_time): Remove declaration.
3443 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3445 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3446 (expand_call): Use it.
3448 2000-04-27 Jan Hubicka <jh@suse.cz>
3450 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3453 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3455 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3458 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3460 * function.c (epilogue_done): Pass whole insn to record_insns.
3462 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3464 * cse.c (CSE_ADDRESS_COST): Remove.
3465 (find_best_addr): Add new parameter "MODE", use address_cost instead
3467 (address_cost): New.
3468 (fold_rtx): Update call of find_best_addr.
3469 * rtl.h (address_cost): Declare.
3470 * loop.c (general_induction_var): Add new parameter "MODE", use
3471 address_cost instead of ADDRESS_COST
3472 (init_loop): Use address_cost instead of ADDRESS_COST.
3473 (check_insn_for_givs): Update call of general_induction_var.
3474 (find_mem_givs): Likewise.
3475 (consec_sets_giv): Likewise.
3476 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3477 * i386.c (ix86_address_cost): New.
3478 * i386-protos.h (ix86_address_cost): Declare.
3480 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3482 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3485 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3487 * expr.c (store_expr): Use clear_storage instead of direct memset
3490 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3492 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3493 ASHIFT, AND and LABEL_REF.
3495 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3497 * invoke.texi (-foptimize-sibling-calls): Fix.
3499 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3501 * loop.c (load_mems) Don't use hard registers for the hoisting.
3503 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3504 calculation; rename const_equiv array in the preconditioning code
3505 from loop_unroll to loop_unroll_precondition
3507 2000-04-27 Richard Henderson <rth@cygnus.com>
3509 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3511 (propagate_one_insn): Clear it. Don't update reg_live here.
3512 (init_propagate_block_info): Update for pbi member changes.
3513 (free_propagate_block_info): Likewise.
3514 (mark_set_1): Know that zero_extract, sign_extract, and
3515 strict_low_part don't kill their argument. Alter hard subregs.
3516 Update new_set for non-CLOBBER sets. Update reg_live.
3517 (find_auto_inc): Update reg_live, not new_dead.
3518 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3519 to determine if the reg in question was set this insn. Only update
3520 reg info with PROP_REG_INFO.
3522 2000-04-26 Richard Henderson <rth@cygnus.com>
3524 * flow.c (allocate_reg_life_data): Set max_regno here ...
3525 (life_analysis): ... not here.
3527 * flow.c (calculate_global_regs_live): Force stack pointer
3530 2000-04-26 Richard Henderson <rth@cygnus.com>
3532 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3533 commit change group changes.
3534 (invert_exp_1): Similarly.
3535 (redirect_exp, invert_exp): Use them.
3536 (redirect_jump_1): New.
3537 (invert_jump_1): New.
3538 (jump_optimize_1): Remove code subsumed by condexec.c.
3539 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3541 2000-04-26 Richard Henderson <rth@cygnus.com>
3543 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3545 * genconfig.c (main): Set all HAVE_foo to 1.
3547 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3549 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3551 * invoke.texi: Document -fssa flag.
3553 2000-04-26 Richard Henderson <rth@cygnus.com>
3555 * flow.c (count_reg_sets_1): Remove.
3556 (count_reg_sets, count_reg_references): Remove.
3557 (recompute_reg_usage): Implement with update_life_info.
3558 Reallocate life data.
3560 2000-04-26 Richard Henderson <rth@cygnus.com>
3562 * flow.c (update_life_info): Consider blocks null to mean the
3564 (calculate_global_regs_live): Likewise.
3565 (life_analysis): Do that instead of collecting all_blocks.
3567 2000-04-26 Richard Henderson <rth@cygnus.com>
3569 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3570 a still-valid conditional jump.
3572 2000-04-26 Richard Henderson <rth@cygnus.com>
3574 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3576 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3577 * flow.c (calculate_loop_depth): Remove.
3578 * output.h (calculate_loop_depth): Don't declare.
3579 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3580 inline; run estimate_probability at the same time.
3582 2000-04-26 Neil Booth <NeilB@earthling.net>
3584 * cpplib.h: "~=" is not a single pp-token.
3585 * cpplex.c: Correct commentary.
3587 2000-04-26 Richard Henderson <rth@cygnus.com>
3589 * flow.c (mark_set_1): New arguments code and flags; update all
3590 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3591 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3592 loop_depth when optimizing for size. Do new_dead update after
3593 emitting REG_UNUSED notes. Merge mark_set_reg code.
3594 (mark_set_reg): Remove.
3595 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3596 arrange to not emit REG_UNUSED notes.
3598 2000-04-26 Richard Henderson <rth@cygnus.com>
3600 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3601 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3603 2000-04-26 Richard Henderson <rth@cygnus.com>
3605 * flow.c (propagate_one_insn): Break out from propagate_block.
3606 (init_propagate_block_info): Likewise.
3607 (free_propagate_block_info): Likewise.
3608 (propagate_block): Use them. Export.
3609 * basic-block.h: Declare them all.
3611 2000-04-26 Richard Henderson <rth@cygnus.com>
3613 * basic-block.h (life_analysis): Declare here ...
3614 * output.h: ... not here.
3615 * flow.c (life_analysis): Remove nregs parameter; replace
3616 remove_dead_code with flags. Remove ssa dead code check.
3617 Only init alias analysis if we'll use it.
3618 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3619 * ssa.c (convert_to_ssa): Likewise.
3620 (convert_from_ssa): Likewise.
3621 * toplev.c (rest_of_compilation): Likewise.
3623 2000-04-26 Richard Henderson <rth@cygnus.com>
3625 * flow.c (flow_delete_block): Rename from delete_block. Export.
3626 * basic-block.h (flow_delete_block): Declare.
3628 2000-04-26 David S. Miller <davem@redhat.com>
3630 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3631 taking a PATTERN of it.
3633 2000-04-26 <NeilB@earthling.net>
3635 * cpplex.c (spell_other, spell_char): Remove.
3637 (token_spelling, trigraph_map): Use unsigned chars.
3638 (_cpp_lex_line): Tidy up the switch statement.
3639 * cpplib.h: Implement spell_char with spell_string.
3642 2000-04-26 <RodneyBrown@pmsc.com>
3644 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3645 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3647 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3649 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3650 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3651 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3652 dwarf2out_return_save, dwarf2out_return_reg,
3653 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3654 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3655 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3657 * dwarf2out.h (dwarf2out_init): Likewise.
3659 * dwarfout.c (filename_entry, primary_filename, last_filename,
3660 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3662 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3663 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3664 dwarf2out_return_reg): Likewise.
3666 2000-04-26 Andreas Jaeger <aj@suse.de>
3668 * extend.texi (Function Attributes): Fix description of pure
3671 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3673 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3674 before calling rest_of_compilation.
3676 2000-04-26 Andreas Jaeger <aj@suse.de>
3678 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3681 2000-04-25 Richard Henderson <rth@cygnus.com>
3683 * cse.c (cse_insn): Emit barrier after unconditional jump.
3685 * calls.c (expand_call): Disable tail call generation once
3686 rtx_equal_function_value_matters is false.
3688 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3691 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3693 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3695 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3697 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3698 is the primary DIE for a member function.
3699 (gen_decl_die): Call set_decl_origin_self here.
3700 * dwarfout.c (output_decl): And here.
3701 * integrate.c (output_inline_function): Not here.
3702 Don't clear DECL_INLINE until after calling rest_of_compilation.
3703 (set_decl_origin_self): No longer static.
3704 * tree.h: Add prototype.
3705 * toplev.c (note_deferral_of_defined_inline_function): Only write
3706 out abstract instance for actual inlines.
3708 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3710 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3711 EXTENDED_REGS only if TARGET_AM33.
3712 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3713 SP_REGS to register allocation and reloading unless absolutely
3715 (movsi3): Remove special-case of adding non-constants to SP.
3717 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3719 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3720 INCLUDES to search and does not provide any of its own. Also it
3721 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3722 parameters. Also it does not call AC_DEFINE.
3723 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3724 AC_DEFINE and provides for automatic entries for autoheader.
3725 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3727 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3728 so we can pass -I flags and include gansidecl.h/system.h in this
3731 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3733 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3735 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3736 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3737 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3739 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3740 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3741 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3742 for these macros. Clean up spacing and linewraps.
3744 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3746 * calls.c (expand_call): Use get_callee_fndecl.
3748 * print-tree.c (print_node): Print the chain of an _EXPR.
3750 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3751 Jim Wilson <wilson@cygnus.com>
3752 Andrew Haley <aph@cygnus.com>
3754 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3755 and gp save/restore problems.
3756 * config/ia64/crtend.asm: Add IA-64 unwind support.
3757 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3758 in fr_pad_size calculation.
3759 (save_restore_insns): Move PR save area. Correct uses of
3760 RTX_FRAME_RELATED_P.
3761 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3762 (ia64_expand_epilogue): Add eh_epilogue support.
3763 (ia64_function_prologue): Emit .prologue directive.
3764 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3765 (ia64_override_options): Set init_machine_status and
3766 mark_machine_status.
3767 (rtx_needs_barrier): Handle bsp reads and writes.
3768 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3769 New static variables.
3770 (process_set, process_for_unwind_directive): New functions.
3771 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3772 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3773 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3775 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3776 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3777 (struct machine_function): Define.
3778 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3780 2000-04-25 Bruce Korb <bkorb@gnu.org>
3782 * fixinc/Makefile.in: make the removal of old programs more
3784 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3785 install-bin and install-sh
3787 2000-04-25 Nick Clifton <nickc@cygnus.com>
3789 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3790 defined, define to return zero.
3791 (function_cannot_inline_p): If a function has any target
3792 specific attributes, then use the macro
3793 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3794 whether it can be inlined. If it cannot, issue a suitable
3797 * tm.texi: Add a new node 'Inlining' to document the new macro
3798 FUNCTION_ATTRIBUTE_INLINABLE_P.
3800 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3802 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3805 2000-04-25 Neil Booth <NeilB@earthling.net>
3807 Restore previous patch, plus the following fixes:
3809 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3810 flags, not CPP_OPEN_PAREN.
3811 * cpplex.c (expand_token_space, init_token_list,
3812 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3813 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3815 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3817 * config/i386/freebsd.h (INT_ASM_OP): Define.
3819 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3821 * loop.c (strength_reduce): Fix typo in the last checkin.
3823 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3825 * stor-layout.c (finalize_record_size): Simplify to use existing
3827 (compute_record_mode): No longer static.
3828 * tree.h (compute_record_mode): New declaration.
3830 2000-04-25 Neil Booth <NeilB@earthling.net>
3832 * Revert my patch below until cause of build failures
3835 2000-04-25 Richard Henderson <rth@cygnus.com>
3837 * combine.c (combine_instructions): Add missing argument
3840 * toplev.c (rest_of_compilation): Delay sibcall optimization
3841 until after emit_eh_context.
3843 2000-04-24 Nick Clifton <nickc@redhat.com>
3845 * combine.c (combine_instructions): Do not try to combine a
3846 sequence of insns when the second insn has been replaced by a
3849 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3851 * gcc.c (load_specs): New static function.
3852 (read_specs): Use it.
3854 * gcc.c (lookup_compiler): Make multiple passes for case
3855 insensitive filesystems.
3857 2000-04-24 Neil Booth <NeilB@earthling.net>
3859 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3860 * cpphash.h (_cpp_check_directive): new.
3861 * cpplex.c (handle_newline, cpp_free_token_list,
3862 init_trigraph_map, trigraph_ok, trigraph_replace,
3863 backslash_start, skip_block_comment, skip_line_comment,
3864 skip_whitespace, parse_name, parse_number, parse_string,
3865 copy_comment, _cpp_lex_line, spell_char, spell_string,
3866 spell_comment, spell_name, spell_other, _cpp_lex_file,
3867 _cpp_output_list): new.
3868 (expand_name_space): take length argument.
3869 (init_token_list): add comment list initialisation.
3870 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3871 instead of HSPACE_BEFORE.
3873 * cpplib.c (_cpp_check_directive): new
3874 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3875 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3876 (HSPACE_BEFORE): delete.
3877 (TTYPE_TABLE): rearrange.
3878 (struct cpp_toklist): update.
3880 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3882 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3883 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3884 argument form of AC_DEFINE.
3886 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3887 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3888 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3889 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3890 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3892 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3894 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3896 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3897 deduced.h): Use -isystem, not -I, for including system headers.
3899 2000-04-24 Nick Clifton <nickc@cygnus.com>
3901 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3902 the source register is the frame pointer or arg pointer.
3903 (addsi3_small_int): Disallow if source register is the frame
3904 pointer or arg pointer.
3906 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3908 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3909 call to AC_MSG_RESULT.
3911 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3913 * invoke.texi: Correct grammatical errors, document
3914 -fno-gnu-keywords as identical to -fno-asm for C++.
3916 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3918 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3919 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3920 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3921 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3922 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3924 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3925 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3926 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3927 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3930 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3932 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3933 (pop_alignment): Likewise.
3934 (handle_pragma_token): Likewise.
3936 2000-04-24 Robert Lipe <robertlipe@usa.net>
3938 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3940 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3942 * combine.c (try_combine): Update reg_nonzero_bits of
3943 newi2pat before newpat.
3945 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3947 * loop.c (strength_reduce): Simplify test to INSN_P.
3948 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3949 expressions instead of CONST_INT.
3950 (express_from_1): Likewise.
3952 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3954 * regs.h (reg_n_max): Don't declare.
3955 * flow.c (reg_n_max): Don't define.
3956 * regclass.c (renumber): Don't initialize to zero.
3957 (regno_allocated): Likewise.
3958 (reg_n_max): Define.
3959 (allocate_reg_info): Don't initialize unnecessarily.
3961 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3963 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3964 and blockage_p in the newly allocated attribute.
3966 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3968 * config/mn10300/mn10300.md (addsi): `inc4' on address
3969 registers does not modify cc, but `inc' on an extended
3972 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3974 * reload.c (find_equiv_reg): Checks all valueno regs
3975 as a reload_reg_p regs.
3977 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3979 * cpphash.c (collect_objlike_expansion): Add sanity check.
3980 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3981 the buffer is the empty string, return. Mark __DATE__ and
3982 __TIME__ as XCONST nodes, not MCONST.
3983 (_cpp_macroexpand): Avoid pushing an empty buffer.
3984 (funlike_macroexpand): Don't pop token_buffer here.
3986 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
3988 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
3989 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
3990 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
3991 (REGNO_OK_FOR_BASE_P): Define in terms of them.
3992 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
3993 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
3994 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
3996 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
3998 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4001 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4003 * cpphash.h (struct definition): Move file, line, col members...
4004 (struct hashnode): ... here. Also add 'disabled' flag.
4005 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4006 T_IDENTITY. Remove T_DISABLED.
4009 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4010 (collect_expansion): Split into collect_objlike_expansion and
4011 collect_funlike_expansion.
4012 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4013 funlike_macroexpand.
4014 (_cpp_compare_defs): Rename compare_defs, make static.
4015 (_cpp_make_hashnode): Initialize hp->disabled.
4016 (macro_cleanup): Adjust for new token types. Clear
4018 (_cpp_create_definition): Move code here to determine what
4019 sort of macro it is, and code to check for redefinitions, from
4020 do_define. Implement a few simple cases without creating a
4022 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4023 Handle the simple cases.
4024 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4027 * cppinit.c (builtin_array): Change MCONST to XCONST
4029 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4030 fix check for disabled and function-like macros.
4031 * cpplib.c (do_define): Move most logic to
4032 _cpp_create_definition.
4033 (do_undef): Handle new special token types.
4035 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4037 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4038 of CONSTANT_P for mult_val; always use validate_change to update insn.
4040 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4042 * cpphash.c (trad_stringify, add_pat): New functions.
4043 (collect_expansion): Restore support for -traditional syntax.
4044 Use trad_stringify and add_pat.
4045 (_cpp_macroexpand): Restore support for -traditional semantics.
4046 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4047 get a COMMENT token.
4048 (_cpp_lex_token): Provide COMMENT tokens to caller if
4049 traditional and parsing_define_directive.
4050 (skip_comment): Warn about // comments if -Wtraditional.
4051 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4053 (do_undef): Don't warn about undefining EMPTY nodes.
4055 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4057 * loop.c (strength_reduce): Fix biv removal code.
4059 2000-04-22 Richard Henderson <rth@cygnus.com>
4061 * predict.c (estimate_probability): Examine both sides of
4062 a branch for no exits. Use 90% not 50% for predict taken.
4063 Reorg for one copy of note generation code.
4065 2000-04-22 Richard Henderson <rth@cygnus.com>
4067 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4069 2000-04-22 Richard Henderson <rth@cygnus.com>
4071 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4072 (output_clear): Likewise.
4073 (output_printf): Use va_copy.
4074 (vline_wrapper_message_with_location): Likewise.
4075 (v_message_with_decl): Likewise.
4076 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4077 * system.h (va_copy): Provide default implementation.
4079 2000-04-22 Richard Henderson <rth@cygnus.com>
4081 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4082 the collected condition is not a constant.
4084 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4086 * diagnostic.h: New file.
4088 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4090 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4091 various function prototypes.
4092 (diagnostic.h): #include.
4093 (struct output_buffer): Move into diagnostic.h.
4094 (get_output_prefix): Rename to output_get_prefix. Export.
4095 (init_output_buffer): Export. Break out. Ajust intialization.
4096 (output_space_left, output_append): Export.
4097 (output_newline): Rename to output_add_newline. Export.
4098 (output_clear): Nullify additional output_buffer fields.
4099 (output_puts): Rename to output_add_string. Export.
4100 (dump_output): Rename to output_flush_on. Export.
4101 (build_location_prefix): Constify return-type.
4102 (emit_output_prefix): Rename to output_emit_prefix. Export.
4103 (set_real_maximum_length): New function.
4104 (output_set_maximum_length): Ditto
4105 (output_clear): Ditto.
4106 (output_add_character): Ditto.
4107 (output_add_integer): Ditto.
4108 (output_add_space): Ditto.
4109 (output_format): Ditto.
4110 (output_printf): Adjust buffer initialization.
4111 (vline_wrapper_message_with_location): Ditto.
4112 (v_message_with_decl): Ditto. Adjust call to output_puts
4113 and get_output_prefix.
4114 (default_print_error_function): Adjust buffer intialization.
4116 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4118 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4121 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4123 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4126 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4128 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4129 accurate data about SP moves.
4131 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4133 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4134 aliases to AM33 registers.
4136 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4138 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4139 to all EXTENDED bitmaps.
4141 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4143 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4144 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4145 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4147 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4149 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4150 the operand is not constant.
4152 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4154 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4155 as a call-clobbered regs.
4157 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4159 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4161 * rtl.def: Update comment.
4162 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4163 * integrate.c (expand_inline_function): Likewise.
4164 * profile.c (branch_prob): Likewise.
4165 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4166 * print-rtl.c (print_rtx): Likewise.
4167 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4168 (reemit_notes): Likewise; also use enum insn_note.
4170 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4171 (place_field): Properly compute know and actual alignment.
4173 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4176 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4179 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4181 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4182 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4183 (collect_expansion): Rewrite to scan over a token list.
4184 Remove -traditional support.
4185 (collect_formal_parameters): Rename to collect_params; rewrite
4186 to scan over a token list.
4187 (_cpp_create_definition): Adjust to scan a token list.
4188 (_cpp_macroexpand): Remove -traditional support.
4189 (_cpp_compare_defs): Whitespace is now canonicalized.
4190 (comp_def_part): Delete function.
4192 * cpphash.h: Update prototypes.
4193 * cpplex.c (init_token_list): Don't set lineno if there is no
4195 (pedantic_whitespace): New function.
4196 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4197 consume a newline. Use pedantic_whitespace.
4198 (_cpp_lex_token): Remove support for -traditional macros.
4199 (_cpp_get_define_token): Delete.
4200 (_cpp_get_directive_token): Do the real work here. Use
4201 pedantic_whitespace.
4202 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4204 * cpplib.c (get_macro_name): Delete.
4205 (do_define): Read the entire line into pfile->directbuf, then
4206 feed the token list to _cpp_create_definition.
4207 * cpplib.h (HSPACE_BEFORE): new define.
4208 (struct cpp_reader): Add a toklist member, "directbuf".
4210 * predict.c (estimate_probability): New heuristic: if a jump
4211 branches around a block with no successors, predict it taken.
4212 Disentangle control flow.
4214 2000-04-20 Richard Henderson <rth@cygnus.com>
4216 * loop.c (emit_iv_add_mult): Revert last change.
4218 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4220 * cpplib.h (enum cpp_ttype): Add token types for all
4221 punctuators. Distinguish pp-numbers from valid C numbers.
4222 Give some tokens better names. Initialize from macro.
4223 (struct cpp_name, cpp_token, cpp_toklist): New data
4226 * cpplex.c (bump_column, expand_name_space,
4227 expand_token_space, init_token_list, cpp_output_list,
4228 _cpp_scan_line): New functions.
4229 (output_line_command): Add third argument, new line number.
4230 * cpphash.h: Update prototypes.
4231 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4234 2000-04-20 Richard Henderson <rth@cygnus.com>
4236 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4238 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4240 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4243 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4245 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4246 REG_EQUAL note explaining the calculated value.
4248 * calls.c (expand_call): Avoid unnecesary precalculation
4249 and outgoing parameters space guarding for sibling calls.
4250 (store_one_arg): Likewise.
4252 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4254 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4255 (rest_of_compilation): Write sibling dump file and account
4256 for time as jump time.
4257 * invoke.texi: Update documentation on dump flags.
4259 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4261 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4263 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4265 * cpphash.c (special_symbol): Represent an empty macro with
4266 "\r \r " not just "\r ".
4267 (_cpp_macroexpand): Correct condition for the foo ( ) special
4269 (unsafe_chars): Handle EOF as second argument.
4270 (push_macro_expansion): Simplify test for removing escape at
4271 end. Do not trim both escapes if there is no text in between.
4273 2000-04-19 Jim Blandy <jimb@redhat.com>
4275 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4276 of PTR_SIZE, when appropriate.
4278 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4280 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4281 (USE_ENUM_BITFIELDS): Fix typo.
4283 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4285 * stor-layout.c (place_field): Set rli->offset_align properly.
4287 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4289 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4290 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4291 PARM_BOUNDARY): Remove unnecessary casts.
4293 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4295 * calls.c (precompute_arguments): Remove must_preallocate and
4297 (expand_call): Update call of precompute_arguments.
4299 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4300 check_insn_for_givs): Break out from ...
4301 (strength_reduce) ... here; use for_every_insn_in_loop to call
4302 check_insn_for_givs.
4303 * loop.h (for_every_insn_in_loop): Declare.
4304 (loop_insn_callback): New type.
4306 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4308 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4311 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4313 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4316 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4318 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4320 * configure.in: Delete --disable-cpplib option and all
4321 references to cpp_main.
4322 * configure: Regenerate.
4323 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4324 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4325 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4326 cpp$(exeext). Add --no-headers to makeinfo command line when
4327 generating INSTALL. Install and uninstall cpp.1 manpage, not
4329 * install.texi: Delete all references to cexp.y/cexp.c.
4330 Delete ancient instructions for compiling GCC on 3b1.
4331 * INSTALL: Regenerate.
4333 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4334 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4335 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4337 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4338 which is no longer tested anywhere.
4340 * cppinit.c (handle_option): Don't run error message through
4343 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4345 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4346 * cpperror.c (hashtab.h): Now include.
4347 * cppexp.c (hashtab.h): Likewise.
4348 * cpplex.c (hashtab.h): Likewise.
4349 * cppfiles.c (hashtab.h): Likewise.
4350 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4351 to htab_find_slot_with_hash.
4352 * cpphash.c (hashtab.h): Now include.
4353 (_cpp_lookup_slot): INSERT is now enum insert_option.
4354 * cpphash.h (_cpp_lookup_slot): Likewise.
4355 * cppinit.c (hashtab.h): Include earlier.
4356 (initialize_builtins): Pass enum to htab_find_slot.
4357 * cpplib.c (hashtab.h): Now include.
4358 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4359 (do_pragma_poison, do_assert): Likewise.
4360 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4361 htab_find_slot_with_hash.
4362 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4363 * tree.c (type_hash_add): Likewise.
4364 (build1): Minor cleanup.
4366 * ggc-common.c: Add missing blanks.
4367 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4368 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4370 * stmt.c (mark_case_node): New function.
4371 (mark_case_nesting): Call it.
4373 * expmed.c (emit_store_flag): If comparing two-word integer
4374 with zero, can optimize NE, EQ, GE, and LT.
4376 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4377 * conflict.c: Minor cleanups.
4378 * optabs.c: Add blank line
4379 * simplify-rtx.c: Minor cleanups.
4381 2000-04-18 Stan Cox <scox@cygnus.com>
4383 * gengenrtl.c (genlegend): Fix misspelling.
4385 2000-04-18 Robert Lipe <robertlipe@usa.net>
4387 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4388 bitfields of the host compiler are not signed quantities.
4389 * config.in: Regenerate.
4390 * configure: Regenerate.
4391 * system.h (USE_ENUM_BITFIELDS): Added.
4392 (ENUM_BITFIELDS): Added.
4393 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4394 (SHORT_ENUM_BUG): Deleted.
4395 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4397 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4398 (CODE_FIELD_BUG): Likewise.
4399 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4401 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4403 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4405 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4408 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4410 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4411 * cpplib.c (do_include, do_import, do_include_next,
4412 read_line_number, detect_if_not_defined): Likewise.
4413 * cpphash.c (collect_expansion): Likewise.
4414 (special_symbol, _cpp_macroexpand): Check return from
4416 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4417 macros. Delete all uses.
4419 * gcc.dg/cpp-mi.c: Add two more test cases.
4420 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4422 2000-04-17 Richard Henderson <rth@cygnus.com>
4424 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4425 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4427 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4429 * function.c (expand_function_start): Use hard_function_value to
4430 compute the RTL to use for DECL_RESULT.
4432 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4434 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4435 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4436 x86_memory_mismatch_stall): New global variables.
4437 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4438 alloved; fix load penalties for Athlon.
4439 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4440 x86_memory_mismatch_stall): Declare.
4441 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4442 TARGET_MEMORY_MISMATCH_STALL): New.
4443 * i386.md (athlon scheduling parameters): Fix latencies according to
4444 Athlon Optimization Manual.
4445 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4447 (fsqrt instruction patterns): Set athlon_decode to direct.
4448 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4449 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4450 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4451 and TARGET_PARTIAL_REGISTER_STALL machines.
4452 (pushdf_nointeger): New pattern.
4453 (pushdf_integer): Rename from pushdf.
4454 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4455 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4457 2000-04-17 Richard Henderson <rth@cygnus.com>
4459 * loop.c (canonicalize_condition): Add WANT_REG argument.
4460 Stop the search if we match it.
4461 * expr.h (canonicalize_condition): Update decl.
4462 * predict.c (expected_value_to_br_prob): Use it. Track last
4463 expected value note.
4464 (find_expected_value): Remove.
4466 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4468 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4470 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4471 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4473 * configure.in: Call AC_FUNC_MMAP_FILE.
4474 * configure: Regenerate.
4475 * config.in: Regenerate.
4477 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4478 * fixinc/fixincl.c: Likewise.
4480 2000-04-17 Richard Henderson <rth@cygnus.com>
4482 * builtins.c (expand_builtin_expect): New.
4483 (expand_builtin): Call it.
4484 * builtins.def (BUILT_IN_EXPECT): New.
4485 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4486 * extend.texi: Document it.
4488 * predict.c (expected_value_to_br_prob): New.
4489 (find_expected_value): New.
4490 * basic-block.h (expected_value_to_br_prob): Declare.
4491 * toplev.c (rest_of_compilation): Invoke it.
4493 * rtl.h (NOTE_EXPECTED_VALUE): New.
4494 (NOTE_INSN_EXPECTED_VALUE): New.
4495 * rtl.c (note_insn_name): Update.
4496 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4497 cases; handle NOTE_INSN_EXPECTED_VALUE.
4499 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4501 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4502 leaf sibcall delay slot if flag_pic.
4503 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4505 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4507 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4509 * fixproto: If fix-header fails, exit with an error.
4511 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4513 * cse.c (struct check_depdendence_data): New.
4514 (check_dependence): New function.
4515 (invalidate): Use check_depdenence.
4517 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4519 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4520 UNITS_PER_WORD is unsigned.
4522 * tree.h (struct tree_common): Remove misleading comment.
4524 2000-04-16 Dave Pitts <dpitts@cozx.com>
4526 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4527 message in quotes. Otherwise, IBM's make program treats the '#' as the
4528 start of a comment and ignores the remainder of the line.
4530 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4532 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4533 * cexp.y (initialize_random_junk): Likewise.
4534 * cppfiles.c (find_include_file): Cast alloca return value.
4535 * cppinit.c (initialize_standard_includes): Likewise.
4536 * cpplib.c (cpp_define, cpp_undef): Likewise.
4537 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4538 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4539 * fold-const.c (CHARMASK): New.
4540 (real_hex_to_f): Use it.
4541 * real.c (CHARMASK): New.
4542 (etoasc, asctoeg): Use it.
4543 (asctoeg): EBCDIC lower case characters preceed upper case.
4545 * i370.c (mvs_add_label): Change spacing for coding conventions.
4546 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4547 outputing case vectors.
4548 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4549 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4550 since vector in in the data CSECT.
4551 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4552 * i370.md (Many patterns): Put the length in the XL directives.
4553 (movdi): Put back STM and MVC in definition.
4554 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4555 pattern using the TCA.
4556 * oe.h (CPP_SPEC): Added to allow trigraphs.
4557 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4558 not support the "long long" type.
4560 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4562 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4564 (mips_reg_mode_ok_for_base_p): Likewise.
4565 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4566 (REG_OK_FOR_INDEX_P): Define unconditionally.
4567 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4568 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4569 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4570 that GET_MODE_SIZE is unsigned.
4571 (mips_reg_mode_ok_for_base_p): Define.
4572 (mips_legitimate_address_p): Likewise. Adjust now
4573 that GET_MODE_SIZE is unsigned.
4574 (block_move_loop): Make the number of bytes unsigned.
4575 (expand_block_move): Likewise.
4576 (function_arg): Make the loop counter unsigned to match the
4579 2000-04-16 Richard Henderson <rth@cygnus.com>
4581 * rtl.h (enum insn_note): New enumeration. Subsume
4582 NOTE_INSN_DELETED and friends.
4583 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4584 * rtl.c (note_insn_name): Tweak string order.
4586 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4588 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4591 * cpplex.c (output_line_command): Remove debugging prints.
4592 (cpp_output_tokens): Don't write out a zero-length buffer or
4593 try to see if it has a newline in it.
4594 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4595 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4596 the end of the loop. Use memmove. Don't read past the end of
4597 the buffer. Remove trailing newlines from error messages.
4599 2004-04-16 Neil Booth <NeilB@earthling.net>
4601 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4602 * cpplib.c: Add new syntax flags to directive table, and
4605 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4607 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4610 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4612 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4613 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4615 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4617 * Makefile.in (ggc-page.o): Now includes toplev.h.
4618 * ggc-page.c (toplev.h): Now included.
4619 (gc_time): Remove declaration.
4620 (ggc_collect): TIME now long.
4621 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4623 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4625 * toplev.c: Make *_time variable long to reduce chance of overflow.
4626 (TIMEVAR): Likewise for `otime'.
4627 (print_time): Arg is now long; compute percentage in FP and round.
4628 * toplev.h (print_time): Arg is long.
4630 * tree.c: Minor whitespace changes.
4632 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4633 * configure: Rebuilt.
4634 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4635 (__fixunsxfDI): Renamed from __fixunsxfdi.
4636 (__fixunsdfDI): Renamed from __fixunsdfdi.
4637 (__fixunssfDI): Renamed from __fixunssfdi.
4638 (__floatdisf): Use proper type in REP_BIT macro.
4639 (__fixunsxfSI): Renamed from __fixunsxfsi.
4640 (__fixunsdfSI): Renamed from __fixunsdfsi.
4641 (__fixunssfSI): Renamed from __fixunssfsi.
4642 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4643 Change location of macros and upper-case some names as above.
4644 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4645 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4647 * varasm.c (assemble_variable): Add cast to remove warning.
4648 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4650 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4651 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4652 region number to -1.
4654 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4656 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4657 call unshare_all_rtl.
4659 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4661 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4663 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4664 Use .s1 not .s0 for all FP instructions.
4666 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4668 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4670 (safe_fwrite, output_line_command): New static functions.
4671 (cpp_expand_to_buffer): Now private to cpplib.
4672 (cpp_scan_buffer): Take a printer.
4674 * cpphash.h: Update prototypes.
4675 * cpplib.h: Update prototypes.
4677 (cpp_buffer): Remove last_nominal_fname.
4678 (cpp_reader): Remove lineno.
4680 * cppmain.c: Use a cpp_printer.
4681 * fix-header.c: No need to inhibit line commands. Call
4682 cpp_start_read with no printer.
4684 * cpperror.c (cpp_notice_from_errno): Provide default name.
4685 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4686 (find_include_file, cpp_read_file): Use make_IHASH.
4687 (file_cleanup): Set control_macro and clear
4688 input_stack_listing_current here.
4689 (_cpp_execute_include): Don't output entering-file marker.
4690 * cpphash.c (special_symbol): Look for the line number in the
4691 buffer, not the reader.
4692 (_cpp_macroexpand): No need to disable line commands.
4693 (_cpp_dump_definition): No need to generate line commands.
4694 (dump_hash_helper): Remove excess newline from output.
4695 * cppinit.c (dump_special_to_buffer): No need to generate line
4697 (cpp_printer_init): New.
4698 (cpp_start_read): Take a printer, and start it up if it's not
4699 NULL. No need to generate line commands.
4700 (cpp_finish): Expect no buffers stacked at all. Take a
4701 printer argument, and flush the output buffer if it's not
4703 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4704 Don't put two hashes at the beginning of an assertion.
4705 (cpp_get_token): Don't increment pfile->lineno or emit line
4706 commands here. Return EOF if there's no buffer when we get
4708 * cpplib.c (do_define, skip_if_group):
4709 No need to disable line commands.
4710 (_cpp_output_line_command): Delete function.
4711 (do_line): Don't emit line commands here, but set things up so
4712 they will be emitted if necessary. Use _cpp_fake_ihash to
4713 make unique nominal_fnames if necessary.
4714 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4715 with 0 for column, not -1.
4716 (_cpp_handle_eof): Don't set the control macro here. Don't
4717 clear input_stack_listing_current here. Don't emit line
4720 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4722 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4723 always, use the default SVR4 start address.
4725 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4726 (LINK_SHLIB_SPEC): Define.
4727 (LINK_START_DEFAULT_SPEC): Define.
4728 (LINK_OS_DEFAULT_SPEC): Define.
4730 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4732 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4733 __do_global_ctors to handle constructors.
4734 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4735 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4736 (STARTFILE_MVME_SPEC): Likewise.
4737 (STARTFILE_SIM_SPEC): Likewise.
4738 (ENDFILE_ADS_SPEC): Use crtend.
4739 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4740 (ENDFILE_MVME_SPEC): Likewise.
4741 (ENDFILE_SIM_SPEC): Likewise.
4742 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4743 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4744 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4745 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4746 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4747 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4748 (CRTSTUFF_T_CFLAGS_S): Define.
4749 * config/rs6000/eabi-ctors.c: Delete.
4751 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4754 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4758 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4760 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4761 plus mask size is smaller or equal to the mode size.
4763 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4765 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4768 * expr.c (reload.h): Now included.
4769 (emit_block_move): Set volatile_ok when checking for movstr.
4770 (emit_move_1): Check for replacements in addresses in multi-word case.
4771 * Makefile.in (expr.o): Now includes reload.h.
4773 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4774 Never have a LIBCALL end a basic block.
4775 (find_basic_blocks_1): Likewise.
4776 Reorganize CALL_INSN cases.
4778 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4780 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4782 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4783 completers from mov.ret instruction.
4785 2000-04-14 Richard Henderson <rth@cygnus.com>
4787 * fold-const.c (extract_muldiv): Don't distribute and widen
4788 multiply across plus for non-sizetype unsigned types.
4790 2000-04-14 Richard Henderson <rth@cygnus.com>
4792 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4793 If the original source is dead in the incr insn, it's dead now.
4795 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4797 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4798 see if DECL_BIT_FIELD needs to still be set.
4800 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4802 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4803 print_int_cst_octal with something that's not an INTEGER_CST.
4805 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4806 and not a SUBREG to a FLOAT rtl.
4808 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4810 * emit-rtl.c (try_split): Avoid infinite loop if the split
4811 results in a sequence that contains the original insn.
4813 2000-04-13 Andreas Jaeger <aj@suse.de>
4815 * config/mips/mips.c (expand_block_move): Pass alignment
4816 argument to move_by_pieces in bits, not bytes.
4818 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4819 __pic__ for little endian.
4821 2000-04-13 Andreas Jaeger <aj@suse.de>
4823 * config/i386/i386-protos.h: Add prototype for
4824 uno_comparison_operator.
4826 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4828 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4829 * calls.c (ECF_PURE): New flag.
4830 (emit_call_1): Handle ECF_PURE calls.
4831 (initialize_argument_information): Unset ECF_PURE flag too.
4832 (precompute_arguments): Precompute for ECF_PURE too.
4833 (expand_call): Handle ECF_PURE calls too.
4834 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4835 accept value of 2 as pure function.
4836 (emit_library_call_value, emit_library_call): Rename no_queue argument
4838 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4840 * tree.h (DECL_IS_PURE): New macro.
4841 (struct tree_decl): Add pure_flag.
4842 * c-common.c (enum attrs): Add attribute "pure".
4843 (init_attributes): Initialize attribute "pure"
4844 (decl_attributes): Handle attribute "pure".
4845 * extend.texi (Attribute "pure"): Document.
4846 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4848 (flags_from_decl_or_type): Support attribute "pure".
4850 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4852 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4853 the token except for numbers and identifiers.
4855 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4857 * i386.c (ix86_expand_binary_operator,
4858 ix86_expand_unary_operator): Check no_new_pseudos
4859 instead of reload_in_progress and reload_completed.
4860 (ix86_split_ashldi, ix86_split_ashrdi,
4861 ix86_split_lshrdi): Check no_new_pseudos instead
4862 of reload_completed.
4864 2000-04-12 Jeffrey A Law (law@cygnus.com)
4866 * function.c (purge_addressof): Unshare any shared rtl created by
4867 purge_addressof and its children.
4869 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4871 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4874 2000-04-05 Andreas Jaeger <aj@suse.de>
4876 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4877 not compiling PIC code, add flags for mabi=64.
4878 (SUBTARGET_CPP_SIZE_SPEC): New.
4879 (SUBTARGET_CPP_SPEC): New.
4880 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4881 for MIPS/Linux and lots of code needs these defines.
4883 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4885 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4886 trying the "opposite arithmetic" approach.
4888 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4890 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4891 (struct sh_args): Add new field force_mem.
4892 (INIT_CUMULATIVE_ARGS): Initialize it.
4893 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4895 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4897 * calls.c (expand_call): Do not reverse args in "equal from" field.
4898 (emit_library_call_value_1): Emit_libcall_block for const and pure
4901 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4903 * reload1.c (reload_combine): Don't enable optimization for fixed
4904 registers when encountering a BARRIER.
4906 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4908 * builtins.c (expand_builtin_memcmp): Do expansion even with
4909 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4911 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4912 stack is propertly aligned; add sanity checking for aligned
4914 (expand_library_call_value_1): Add sanity checking for aligned
4917 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4919 * calls.c (emit_library_call_value_1): Change 3rd arg to
4920 locate_and_pad_parm to disregard the setting of partial.
4922 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4924 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4926 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4927 CALL_INSN from the normal case.
4929 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4931 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4932 New global variables.
4933 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4935 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4937 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4938 TARGET_ADD_ESP_8): New macros.
4939 * i386.md: Add peep2s to convert esp adjustments to push and pop
4941 (pushsi_prologue, popsi_epilogue): New patterns.
4943 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4945 * real.c (toe64): Remove stale #endif from the last change.
4947 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4949 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4950 * real.c (toe64): Revert previous change.
4952 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4954 * objc/objc-act.c: Include ggc.h.
4955 (objc_tree_index, objc_global_trees): Convert most of the
4956 static tree variables into a static array with previous names
4958 (objc_ellipsis_node): New variable.
4959 (lang_init): Call objc_act_parse_init and c_parse_init.
4960 Create objc_ellipsis_node.
4961 (build_selector_translation_table): Use objc_ellipsis_node instead
4963 (hack_method_prototype): Likewise.
4964 (get_arg_type_list): Likewise.
4965 (start_method_def): Likewise.
4966 (continue_method_def): Likewise.
4967 (gen_method_decl): Likewise.
4968 (ggc_mark_imp_list): New function.
4969 (ggc_mark_hash_table): New function.
4970 (objc_act_parse_init): New function.
4971 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4972 * c-parse.in (c_parse_init): For objc add roots of objc specific
4973 local tree variables.
4974 * objc/objc-parse.y: Rebuilt.
4975 * objc/objc-parse.c: Rebuilt.
4976 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4978 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4980 * cse.c (delete_trivially_dead_insns): Also delete insns
4981 that copy a register to itself where the destination is
4984 2000-04-11 Richard Henderson <rth@cygnus.com>
4986 * flow.c (struct propagate_block_info): Add new_dead, new_live.
4987 (propagate_block): Initialize them. Use them in parallel instead
4988 of one tmp variable, ie revert much of the 0408 and 0407 functional
4989 changes, but keep the structural changes.
4990 (mark_set_regs): Take new_dead from propagate_block_info instead.
4991 (mark_set_1, mark_set_reg): Likewise.
4992 (mark_used_regs): Likewise with new_live.
4993 (mark_used_reg): Likewise. Revert 0408 change.
4995 2000-04-11 Nick Clifton <nickc@cygnus.com>
4997 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
4999 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5001 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5003 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5004 const section to output a CONSTRUCTOR based on the same conditions
5007 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5009 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5010 * pa/pa-protos.h (output_call): Add additional argument indicating
5011 if the call is a sibling/tail call.
5012 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5013 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5014 (function_arg, function_arg_partial_nregs): Likewise
5015 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5016 (emit_move_sequence): Zero extend certain constants as needed
5018 (compute_zdepdi_operands, output_64bit_and): New functions.
5019 (output_64bit_ior, function_arg): Likewise.
5020 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5021 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5022 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5023 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5024 (output_bvb): Likewise.
5025 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5026 (output_call): New argument 'sibcall'. Generate sibcall sequences
5028 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5029 (ouput_arg_descriptor): Do not emit argument descriptors for
5031 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5033 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5034 (FUNCTION_OK_FOR_SIBALL): Define.
5035 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5036 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5037 (CPP_SPEC): Use new spec infrastructure.
5038 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5039 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5040 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5041 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5042 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5043 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5044 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5045 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5046 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5047 (FUNCTION_ARG); Call out to C code.
5048 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5049 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5050 (MIN_UNITS_PER_WORD): Likewise.
5051 * pa/pa.md (cmpdi): New expander.
5052 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5053 (64bit conditional arithmetic): New patterns.
5054 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5055 (movsicc): Not available if modes on all the operands to not match.
5056 (movdicc): New expander and associated patterns.
5057 (64bit branches): New patterns.
5058 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5059 (pre_ldd, post_std): New patterns.
5060 (64bit addil, load low part): New patterns.
5061 (special movsf constant): Not available for TARGET_64BIT.
5062 (movsf, movdf expanders): Force constants into memory.
5063 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5064 (64bit movdf/movdi patterns): New patterns.
5065 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5067 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5068 (adddi3 expander): Allow "arith_operand" for second input.
5069 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5070 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5071 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5072 (muldi3): New expander for TARGET_64BIT.
5073 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5075 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5076 patterns for TARGET_64BIT.
5077 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5078 patterns for TARGET_64BIT.
5079 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5080 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5081 (sibcall_epilogue): New expander.
5082 (casesi): Tweak for TARGET_64BIT.
5083 (call expanders): Set & use the outgoing argument pointer. Use the
5084 64bit call patterns as needed. Add additional arg to output_call.
5085 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5086 (sibcall, sibcall_internal_symref): New expanders.
5087 (sibcall_value, sibcall_value_internal_symref
5088 (interspace_jump): Turn into an expander + matching patterns.
5089 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5090 * pa/pa64-regs.h: Eliminate trigraph sequences.
5091 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5093 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5095 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5096 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5097 cpp_token with cpp_ttype everywhere.
5098 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5099 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5100 CPP_BUF_COL. Line and column numbers are unsigned int, not
5102 * cpplex.c (cpp_buf_line_and_col): Delete.
5103 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5104 'long lineno' to 'unsigned int lineno'.
5105 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5107 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5109 * extend.texi: ISO C99 is not a draft anymore.
5110 * invoke.texi: ISO C++ is not a draft anymore.
5111 * cpp.texi: __cplusplus is required by the ISO standard.
5113 * extend.texi (-fthis-is-variable): Undocument.
5114 * flags.h (warn_template_debugging): Remove declaration.
5115 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5116 -Wenum-clash, -Wtemplate-debugging): Undocument.
5118 2000-04-10 Nick Clifton <nickc@cygnus.com>
5120 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5122 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5124 (ARM_SIGN_EXTEND): Use HOST_UINT.
5125 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5126 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5127 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5128 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5130 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5131 (arm_gen_constant): Use HOST_UINT.
5132 (arm_canonicalize_constant): Use HOST_UINT.
5133 (arm_reload_in_hi): Use HOST_UINT.
5134 (arm_reload_out_hi): Use HOST_UINT.
5135 (output_multi_immediate): Use HOST_UINT.
5136 (int_log2): Use HOST_UINT.
5137 (arm_poke_function_name): Use HOST_UINT.
5138 (arm_output_epilogue): Use arm_volatile_func().
5139 (output_thumb_prologue): Use arm_strip_name_encoding().
5141 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5143 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5144 of sequence point problems.
5146 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5148 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5150 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5152 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5154 * sbitmap.h: Whitespace changes and use upper-case macro args.
5155 (struct simple_bitmap_def): All sizes now unsigned.
5156 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5157 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5158 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5159 (sbitmap_zero): Cast bzero arg to PTR.
5160 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5161 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5162 loop to make structure clearer.
5163 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5164 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5165 (sbitmap_a_and_b_or_c): Likewise.
5166 (sbitmap_intersection_of_succs): Minor cleanups.
5167 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5168 (sbitmap_union_of_preds): Likewise.
5169 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5170 (debug_sbitmap): New function.
5172 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5173 * c-typeck.c (convert_for_assignment): Likewise.
5175 * expmed.c (init_expmed): Don't free objects we make.
5176 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5178 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5179 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5181 * gcse.c (expr_hash_table_size): Now unsigned.
5182 (compute_ae_gen): Local variable `i' now unsigned.
5183 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5184 (compute_transout, hoist_code): Likewise.
5185 (compute_local_properties): Likewise, also hash_table_size.
5186 (alloc_expr_hash_table): N_INSNS now unsigned.
5187 (delete_null_pointer_checks): Mark arg F as unused.
5189 * regrename.c: Minor cleanups, including chang some variables
5192 2000-04-10 Neil Booth <NeilB@earthling.net>
5194 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5196 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5198 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5200 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5201 __classof__, and __headof__ from the list of gnu keywords.
5202 (-ansi): Remove -foperator-names from list of implied options.
5203 Do not call it ANSI C++.
5204 (-foperator-names): Document as -fno-operator-names.
5206 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5208 * cpphash.c (timestamp): Delete.
5209 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5210 (special_symbol): Remove unnecessary braces. Remove
5211 T_VERSION. Treat T_STDC like T_CONST unless
5212 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5213 when one is encountered, then convert them into T_MCONST
5215 * cppinit.c (builtin_array): version_string is T_MCONST.
5216 __STDC__ has a "1" in its cpval. Don't have a terminator
5217 entry. Clean up which entries are dumped.
5218 (initialize_builtins): Only __STDC__ gets the special
5219 -traditional treatment. Count the length of builtin_array.
5220 Render version_string here.
5221 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5222 * cpplib.h (struct cpp_reader): Remove timebuf.
5224 2000-04-09 Richard Henderson <rth@cygnus.com>
5226 * genrecog.c (pred): Update comparison_operator for the unordered
5229 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5231 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5232 (uno_comparison_operator): New.
5233 (put_condition_code): Handle UNORDERED/ORDERED.
5234 (unsigned_comparison): Likewise.
5235 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5236 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5237 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5238 update all callers. Handle all 8 unordered operators.
5239 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5240 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5241 * config/i386/i386.h (PREDICATE_CODES): Update.
5242 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5243 (ix86_expand_branch, ix86_expand_setcc): Update.
5244 * config/i386/i386.md (sunordered, sordered): New.
5245 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5246 (bunordered, bordered): New.
5247 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5248 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5249 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5251 2000-04-09 Philip Blundell <philb@gnu.org>
5253 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5255 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5257 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5258 fix_truncxfhi2): New patterns.
5259 * i386.c (output_fix_trunc): Handle converting to HImode.
5261 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5263 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5265 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5266 (for_each_successor_phi): Change parameter to basic_block.
5267 (coalesce_regs_in_successor_phi_nodes): Likewise.
5268 (coalesce_regs_in_copies): Likewise.
5269 (compute_coalesced_reg_partition): Use basic_block instead of index.
5270 * rtl.h (convert_to_ssa): Delete.
5271 (convert_from_ssa): Likewise.
5272 (successor_phi_fn): Likewise.
5273 (for_each_successor_phi): Likewise.
5274 (in_ssa_form): Likewise.
5275 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5276 (convert_from_ssa): Likewise.
5277 (successor_phi_fn): Likewise.
5278 (in_ssa_form): Likewise.
5279 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5280 * flow.c (calculate_global_regs_live): Pass a basic_block to
5281 for_each_successor_phi.
5283 2000-04-08 Richard Henderson <rth@cygnus.com>
5285 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5286 was modified in the current insn.
5288 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5290 * arm/thumb.md: Delete.
5291 * arm/thumb-protos.h: Delete.
5293 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5295 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5297 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5299 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5302 * arm.md (nop): Use the standard RTL expression. Don't code as a
5304 (*arm_nop, *thumb_nop): Delete.
5306 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5307 constants. Use casts instead.
5308 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5309 output_multi_immediate, arm_poke_function_name): Likewise.
5310 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5311 MASK_RETURN_ADDDR): Likewise.
5313 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5315 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5318 * arm.md (eh_epilogue): New function.
5319 * arm.h (struct machine_function): Move to here ...
5320 * arm.c: ... from here.
5321 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5322 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5323 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5325 2000-03-30 Nick Clifton <nickc@cygnus.com>
5327 * config/arm/semi.h (ASM_SPEC): Restore definition.
5328 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5330 * config/arm/elf.h (ASM_SPEC): Restore definition.
5331 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5333 * config/arm/arm.h (ASM_SPEC): Remove definition.
5334 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5336 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5338 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5340 2000-03-24 Nick Clifton <nickc@cygnus.com>
5342 Various formating tidyups, elimination of compile time
5343 warnings and synchronisation with internal sources:
5345 * config/arm/arm-protos.h (assemble_align): Add prototype.
5346 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5347 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5348 (arm_return_addr_rtx): Rename to arm_return_addr.
5350 * config/arm/arm.c: Include except.h.
5351 Define shorter typenames for strict minipool_node and struct
5353 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5355 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5356 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5358 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5360 (ASM_SPEC): Define if not already defined.
5361 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5363 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5364 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5365 arm_gen_compare_reg.
5366 (indirect_jump): Only accept register operands.
5367 (load_indirect_jump): Keep this pattern since combine can generate
5370 * config/arm/coff.h: Include aout.h.
5371 (MULTILIB_DEFAULTS): Only define if not already defined.
5373 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5374 into arm.h (so that COFF ports can support thumb based aliases).
5375 (ASM_SPEC): Move definition into arm.h
5377 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5378 redundant apcs spec.
5379 (ASM_SPEC): Move definition to arm.h
5381 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5383 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5384 for entries in the .bss section
5386 2000-03-23 Nick Clifton <nickc@cygnus.com>
5388 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5389 to thumb_far_jump_used_p.
5391 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5392 single integer parameter.
5394 * config/arm/arm.c (struct machine_function): Add two new
5395 fields, 'far_jump_used' and 'arg_pointer_live'.
5396 (thumb_far_jump_used_p): Once the decision has been made that
5397 far jumps might be used, always return true.
5398 If being called from the initial elimination offset macro then
5399 do not bother to perform the test if the arg pointer is not
5401 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5402 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5404 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5406 * arm.c (output_return_instruction): Handle more cases where we can
5407 return from a function with an ldr instruction.
5408 (arm_output_epilogue): Likewise.
5410 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5411 if we need to push a large stack frame and there are no callee-saved
5414 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5415 in ARM code if the frame pointer has been eliminated.
5417 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5418 unspec_volatile arguments to avoid duplicates.
5419 (consttable_1, consttable_2): Fixes for big-endian mode.
5421 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5424 Re-write constant pool code.
5425 * arm.c (minipool_node, minipool_fix): New types.
5426 (minifix): Delete type.
5427 (arm_add_minipool_constant): Delete.
5428 (arm_compute_minipool_offsets, arm_find_barrier,
5429 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5430 (get_jump_table_size): Now returns HOST_WIDE_INT.
5431 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5433 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5434 (assign_minipool_offsets, arm_print_value): Likewise.
5435 (dump_minipool): Rewrite.
5436 (arm_barrier_cost): New function.
5437 (create_fix_barrier): New function.
5438 (push_minipool_barrier): New function.
5439 (push_minipool_fix): Record additional information about the fixup
5441 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5442 check the mode of what needs fixing.
5443 (arm_reorg): Rewrite.
5445 2000-03-08 Nick Clifton <nickc@cygnus.com>
5447 * config/arm/arm.md (indirect_jump): Force constant addresses into
5450 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5452 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5454 2000-02-24 Nick Clifton <nickc@cygnus.com>
5456 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5457 adjust is word aligned.
5458 (thumb_expand_epilogue): Make sure that stack adjust is word
5461 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5463 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5465 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5466 pointer relative addresses.
5468 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5470 * arm.c (find_barrier): Find the last barrier within the allowed
5473 2000-02-09 Nick Clifton <nickc@cygnus.com>
5475 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5477 2000-02-09 Nick Clifton <nickc@cygnus.com>
5479 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5480 ARM_FUNCTION_PROFILER.
5482 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5483 ARM_FUNCTION_PROFILER.
5485 * config/arm/linux-oldld.h: Imported from mainline sources.
5487 2000-02-07 Nick Clifton <nickc@cygnus.com>
5489 * config/arm/lib1funcs.asm: Merge in thumb functions from
5492 * config/arm/lib1thumb.asm: Delete.
5494 2000-02-04 Nick Clifton <nickc@cygnus.com>
5496 * config/arm/arm.c: Sychronised with current Red hat local
5498 * config/arm/arm.h: Ditto.
5499 * config/arm/arm-protos.h: Ditto.
5501 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5503 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5505 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5508 2000-02-02 Nick Clifton <nickc@cygnus.com>
5510 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5512 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5513 (return) was emited using an emit_insn() call.
5515 2000-01-31 Nick Clifton <nickc@cygnus.com>
5517 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5519 (thumb_exit): Move frame pointer back into hard frame pointer
5520 register if backtracing is being used.
5522 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5524 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5527 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5529 * config/arm/arm.md (neg_pool_offset): Provide default for new
5531 (arm_movsi_insn): Add neg_pool_offset attribute.
5532 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5533 rtx for the insn that starts the scan and an unsigned long for its
5534 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5535 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5536 instructions in *PINSERTED.
5537 (struct minipool_fixup): Add MIN_ADDRESS elt.
5538 (sort_fixups): Compute it.
5539 (arm_reorg): Changes to support inserting pools before the insn to be
5542 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5544 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5545 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5546 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5548 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5550 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5552 (TARGET_DEFAULT): Do not define if already defined.
5554 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5556 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5557 (iordi3): Allow disjoint source operands.
5558 (xordi3): Allow disjoint source operands.
5559 (negdi2): Permit construction for ARM and Thumb.
5560 (arm_negdi2): Renamed version of old negdi2 pattern.
5561 (thumb_negdi2): New pattern: Only permit non-overlapping
5562 source and destination.
5564 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5566 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5567 scratch low register so that it will not be deleted.
5569 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5571 * config/arm/pe.h (ARM_PE): Define.
5573 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5574 interfacearm attribute if this is a PE toolchain.
5575 (output_return_instruction): Do not emit anything if the function
5576 has the naked attribute set.
5577 (is_called_in_ARM_mode): If the function has the interfacearm
5578 attribute then return true.
5579 (thumb_expand_prologue): Do not generate a prologue for naked
5581 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5583 (output_thumb_prologue): Do not bother if the function is naked.
5584 Strip PE encoding from function name before emitting.
5586 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5588 * arm.md (pic_load_addr): Fix constraints.
5590 * arm.md (casesi_insn): Fix mis-applied patch.
5592 * arm.md ("core" function unit): Add rules for single- and
5594 (All TARGET_THUMB patterns): Add "type" attribute information
5596 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5597 the following insn is a CALL.
5599 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5601 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5602 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5603 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5605 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5607 * config/arm/linux-gas.h: oops - this file was missed out when the
5608 branch was created...
5610 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5612 * thumb.c: Deleted. Move contents to ...
5614 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5616 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5619 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5620 declare a prototype for asm_output_align();
5622 * arm.c (thumb_condition_code): Delete.
5623 (arm_print_operand): Always use arm_condition_code array.
5625 * arm.c (thumb_return_addr_rtx): Delete.
5626 (arm_save_machine_status, arm_restore_machine_status): Delete.
5627 (arm_init_machine_status, arm_mark_machine_status): New functions.
5628 (arm_init_expanders): Update accordingly.
5629 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5630 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5631 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5633 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5635 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5637 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5640 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5642 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5643 stack backtrace structure.
5645 * config/arm/arm-protos.h: Add prototypes for functions defined in
5648 * config/arm/arm.c (arm_override_options): Fix selection of
5649 attributes of default processor.
5651 * config/arm/coff.h: Delete needless #include.
5653 * config/arm/pe.c: Delete unused code.
5655 * config/arm/pe.h (CPP_DEFINES): Delete
5656 (SUBTARGET_CPP_SPEC): Define.
5657 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5659 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5661 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5663 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5665 (CAN_DEBUG_WITHOUT_FP): Define.
5666 (FIXED_REGISTERS): Make r11 call-saved.
5667 (CALL_USED_REGISTERS): Likewise.
5668 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5669 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5670 frame-pointer is required.
5671 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5672 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5673 if the target normally needs a stack frame in non-leaf functions.
5674 (use_return_insn): Correct logic for determining when a return
5675 instruction can be used.
5676 (output_return_instruction): Handle the frame-pointer register as
5677 a normal register when not TARGET_APCS_FRAME.
5678 (arm_output_prologue): Likewise.
5679 (arm_output_epilogue): Likewise.
5680 (output_func_epilogue): Likewise.
5681 (arm_expand_prologue): Likewise.
5682 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5684 * arm.c (use_return_insn): No need to check floating point regs if
5686 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5687 the code of value stored in the minipool array.
5688 (arm_add_minipool_constant): Likewise.
5690 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5692 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5694 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5696 * tree.c (tree_expr_nonnegative_p): New function.
5698 * tree.h (tree_expr_nonnegative_p): Declare.
5700 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5701 elide some sign_compare warnings.
5702 (build_conditional_expr): Likewise.
5704 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5706 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5708 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5709 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5710 operand. Abort if a 387 operand has an unsupported size.
5712 2000-04-08 Neil Booth <NeilB@earthling.net>
5714 * cppexp.c (parse_charconst): Null does not end character
5716 * cppinit.c (ISTABLE): Null character handled as whitespace.
5717 * cpplex.c (null_warning): new function.
5718 (skip_string): Emit warning if nulls encountered.
5719 (_cpp_skip_hspace): Emit warning if nulls encountered.
5720 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5724 2000-04-07 Richard Henderson <rth@cygnus.com>
5726 * flow.c (loop_depth): Remove.
5727 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5728 (struct propagate_block_info): New.
5729 (life_analysis): Don't allocate reg_next_use.
5730 (propagate_block_delete_insn): Break out of propagate_block.
5731 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5732 (propagate_block_delete_libcall): Likewise.
5733 (propagate_block): Create a propagate_block_info struct to pass
5734 to subroutines. Allocate one not two temporary regsets. Don't
5735 clobber memory for const calls. Look for clobbers in
5736 CALL_INSN_FUNCTION_USAGE.
5737 (mark_set_regs): Recognize COND_EXEC.
5738 (mark_set_reg): Break out of mark_set_1.
5739 (mark_used_reg): Break out of mark_used_regs.
5740 (mark_used_regs): Recognize COND_EXEC.
5741 (insn_dead_p): Use propagate_block_info struct.
5742 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5743 (find_auto_inc, try_pre_increment_1): Likewise.
5744 (print_rtl_with_bb): Dump regs live at end too.
5745 (count_reg_sets_1): Pass in loop_depth.
5746 (count_reg_sets, count_reg_references): Likewise.
5747 (recompute_reg_usage): Provide it.
5749 2000-04-07 Richard Henderson <rth@cygnus.com>
5751 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5754 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5756 * cpplib.c (do_elif): Skip the rest of the line if we're
5757 not going to bother evaluating it.
5758 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5759 to avoid pointless calls to the lexer.
5761 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5763 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5765 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5767 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5769 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5771 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5773 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5775 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5776 crtend so they can be multilibbed.
5777 (STAGESTUFF): Remove s-crt and s-crtS.
5779 2000-04-07 Richard Henderson <rth@cygnus.com>
5781 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5782 if we discover we need a pseudo and no_new_pseudos is true.
5783 * config/alpha/alpha.md (ne:DI insn): New.
5784 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5786 2000-04-07 Richard Henderson <rth@cygnus.com>
5788 * rtl.def (COND_EXEC): New.
5789 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5790 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5792 * genconfig.c (have_cond_arith_flag): Remove.
5793 (have_cond_exec_flag): New.
5794 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5795 (main): Print HAVE_conditional_execution.
5797 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5798 (sched_analyze_insn, print_pattern): Likewise.
5799 * reload.c (find_equiv_reg): Likewise.
5800 * rtlanal.c (reg_referenced_p): Likewise.
5801 (note_stores, dead_or_set_regno_p): Likewise.
5802 (reg_overlap_mentioned_p): Rewrite to use a switch.
5804 * ggc.h (struct rtx_def): Forward declare.
5806 * print-rtl.c (debug_rtx_range): New.
5807 * rtl.h (debug_rtx_range): Declare.
5809 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5811 * gcse.c (gcse_main): Don't rebuild the CFG here.
5812 (delete_null_pointer_checks): Likewise.
5813 * ssa.c (convert_to_ssa): Likewise.
5814 * toplev.c (rest_of_compilation): Do it here instead. Combine
5815 sequential calls to TIMEVAR. Consistently use `insns' instead of
5816 `get_insns()'. Always split insns after reload when optimizing.
5818 * basic-block.h (merge_blocks_nomove): Declare.
5819 (tidy_fallthru_edge): Declare.
5820 * flow.c (merge_blocks_nomove): Document as merging into previous
5821 blocks. Remove cruft from between blocks; remove all edges out of A.
5822 (tidy_fallthru_edge): Export.
5824 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5826 * ssa.c (compute_conservative_reg_partition): Declare with
5828 * toplev.c (clean_dump_file): Remove previously-deleted function
5829 inadvertantly merged back in.
5830 * conflict.c (conflict_graph_add): Use a single call to
5831 htab_find_slot to look up and insert.
5833 2000-04-06 Richard Henderson <rth@cygnus.com>
5835 * genrecog.c (*): Rename _last_insn to last_insn.
5836 (make_insn_sequence): Set the position of the peephole2 C test
5837 to be at the last insn.
5839 2000-04-06 Richard Henderson <rth@cygnus.com>
5841 * flow.c (compute_flow_dominators): Free worklist.
5843 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5845 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5847 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5849 * rtl.h (INSN_P): New macro.
5850 (successor_phi_fn): New typedef.
5851 (for_each_successor_phi): New prototype.
5852 (in_ssa_form): New variable.
5853 (PHI_NODE_P): Likewise.
5854 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5855 phi nodes in successors.
5856 (mark_used_regs): Add PHI case.
5857 (set_phi_alternative_reg): New function.
5858 (life_analysis): Assert that dead code elimination is not selected
5860 * toplev.c (to_ssa_time): New variable.
5861 (from_ssa_time): Likewise.
5862 (compile_file): Zero to_ssa_time and from_ssa_time.
5863 Print time to convert to and from SSA.
5864 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5865 (print_time): Compute percent fraction as integer.
5866 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5867 (convert_to_ssa): Check if we're already in SSA.
5868 Don't eliminate dead code in life_analysis.
5869 Rerun flow and life analysis at bottom.
5870 (eliminate_phi): Use canonical regnos when adding nodes.
5871 (mark_reg_in_phi): New function.
5872 (mark_phi_and_copy_regs): Likewise.
5873 (convert_from_ssa): Rerun life analysis at top.
5874 Use coalesced partition.
5875 Check for removing a phi node at the end of the block.
5876 (compute_coalesced_reg_partition): New function.
5877 (coalesce_regs_in_copies): Likewise.
5878 (coalesce_reg_in_phi): Likewise.
5879 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5880 (for_each_successor_phi): Likewise.
5881 (rename_context): New struct.
5882 (rename_block): Use a rename_context with rename_insn_1. When
5883 renaming sets of a subreg, emit a copy of the entire reg first.
5884 (rename_insn_1): Treat data as a rename_context *. Save current
5886 (rename_set_data): Add field set_insn.
5887 * Makefile.in (HASHTAB_H): Move up in file.
5888 (OBSTACK_H): New macro.
5889 (collect2.o): Use OBSTACK_H in dependencies.
5890 (sdbout.o): Likewise.
5891 (emit-rtl.o): Likewise.
5892 (simplify-rtx.o): Likewise.
5893 (fix-header.o): Likewise.
5894 (OBJS): Add conflict.o.
5895 (conflict.o): New rule.
5896 * basic-block.h: Include partition.h.
5897 (conflict_graph): New typedef.
5898 (conflict_graph_enum_fn): Likewise.
5899 (conflict_graph_new): New prototype.
5900 (conflict_graph_delete): Likewise.
5901 (conflict_graph_add): Likewise.
5902 (conflict_graph_conflict_p): Likewise.
5903 (conflict_graph_enum): Likewise.
5904 (conflict_graph_merge_regs): Likewise.
5905 (conflict_graph_print): Likewise.
5906 (conflict_graph_compute): Likewise.
5907 * conflict.c: New file.
5909 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5911 * tlink.c (read_repo_files): Don't look for .rpo info for
5914 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5916 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5918 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5920 * config/sh/lib1funcs.asm (___udivsi3_i4):
5921 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5922 only depends on FMOVD_WORKS.
5924 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5926 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5927 make double constant 8-byte aligned.
5929 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5931 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5932 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5933 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5934 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5935 Accept storing GENERAL_REGS into offsetable memory.
5936 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5937 building a TFmode constant other than 0.0L into GENERAL_REGS.
5939 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5941 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5943 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5945 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5946 (macro_cleanup): No need to cast pbuf->macro.
5947 (collect_expansion): Use _cpp_get_define_token. Goto done if
5948 it returns VSPACE. Remove check for trailing space after
5950 (_cpp_create_definition): Don't diddle flags here. Return
5952 (unsafe_chars): Handle c1 being EOF.
5953 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5954 checks. Don't push the buffer till after we're done with
5956 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5957 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5958 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5960 (_cpp_parse_assertion): Don't NUL terminate.
5961 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5962 hspace before calling _cpp_parse_assertion. Remove all sets
5963 of only_seen_white. Treat '\f' as hspace. Don't do anything
5964 special with '\n' here.
5965 (maybe_macroexpand): Handle T_EMPTY hash entries without
5966 pushing a buffer at all.
5967 (cpp_get_token): Handle clearing only_seen_white here. Handle
5968 incrementing the line number here. Clear
5969 potential_control_macro as well as only_seen_white, if
5971 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5972 (_cpp_get_define_token): New function, basically like
5973 _cpp_get_directive_token was but doesn't eat horizontal space.
5974 Don't do anything with only_seen_white here.
5975 (_cpp_get_directive_token): Just call _cpp_get_define_token
5976 repeatedly till it returns non-hspace.
5978 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5979 (conditional_skip, skip_if_group): Return int.
5980 (DIRECTIVE_TABLE): Change origin of all conditional directives
5982 (TRAD_DIRECT_P): New macro.
5983 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
5984 an error for a bogus directive, unless -lang-asm. Use
5985 TRAD_DIRECT_P. Loop calling handler functions till one returns
5987 (get_macro_name): Don't diddle flags here.
5988 (do_define): Diddle flags here. Use _cpp_get_directive_token.
5989 Create T_EMPTY nodes for #define macro /* nothing */.
5990 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
5991 Use hp->name when calling pass_thru_directive.
5992 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
5993 Return the result of conditional_skip and/or skip_if_group.
5994 Don't call _cpp_output_line_command.
5995 (consider_directive_while_skipping): Use _cpp_get_directive_token.
5996 Issue -Wtraditional warnings as appropriate. Don't complain
5997 about unrecognized directives. If we are to stop skipping,
5998 return the number of the directive that ended the skip.
5999 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6000 expansion and line commands while skipping. Return the result
6001 of consider_directive_while_skipping, if nonzero.
6002 (do_endif): Just set potential_control_macro here.
6003 (validate_else): Use _cpp_get_directive_token.
6004 (do_assert, do_unassert): Don't save pointers into the
6005 token_buffer across calls to the lexer. Use
6006 _cpp_get_directive_token.
6008 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6009 pointer, not an offset. Replace 'data', which was a generic
6010 pointer, with 'macro', which points to a struct hashnode.
6011 (cpp_reader): Add 'potential_control_macro' pointer.
6012 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6013 (CPP_BUF_GET, CPP_FORWARD): Delete.
6014 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6015 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6016 ACTIVE_MARK_P): Update.
6017 (_cpp_get_define_token): New internal function.
6018 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6020 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6022 * configure.in: And here.
6023 * configure: Regenerate.
6024 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6025 --enable-libstdcxx-v3 is passed at configure time.
6026 * config.h.in: Regenerate.
6028 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6030 * final.c (final): Use xcalloc to allocate line_note_exists.
6031 * function.c (free_after_compilation): Free the temp_slots.
6032 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6033 (combine_temp_slot): Free temp_slots when they get combined.
6034 (purge_addressof): Fix typo in comment.
6035 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6036 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6038 * ggc.h: Include varray.h.
6039 (ggc_pending_trees): Declare.
6040 (ggc_mark_tree_children): Remove declaration.
6041 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6042 * ggc-common.c (ggc_pending_trees): New variable.
6043 (ggc_mark_roots): Call ggc_mark_trees.
6044 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6045 the ggc_pending_trees.
6046 * Makefile.in (GGC_H): New variable. Use it throughout in place
6049 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6051 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6054 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6056 * sh.c (sh_insn_length_adjustment): New function.
6057 * sh-protos.h (sh_insn_length_adjustment): Declare.
6058 * sh.h (ADJUST_INSN_LENGTH): Use it.
6060 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6062 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6063 from the insn where REG_RETVAL is added.
6064 (emit_no_conflict_block): Ditto.
6066 * md.texi (Standard Names): Clarify when movX is needed.
6068 * combine.c (simplify_comparison) [MINUS]: Do not replace
6069 all (op (minus A B) 0) with (op A B).
6071 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6072 J"orn Rennecke <amylaar@cygnus.co.uk>
6074 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6075 (block_lump_real): Likewise.
6077 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6079 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6080 remaining non-zero debugging masks.
6082 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6084 * basic-block.h (verify_flow_info): Declare.
6085 (flow_loop_outside_edge_p): Declare.
6086 * flow.c (verify_flow_info): Remove declaration.
6087 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6089 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6091 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6094 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6096 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6097 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6098 seqdi_zero_trunc+1): Allow splits only if registers are
6101 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6103 * acconfig.h: Add HAVE_GAS_HIDDEN.
6104 * config.in: Regenerated.
6105 * configure.in: Add test for .hidden pseudo-op in gas.
6106 * configure: Regenerated.
6107 * crtstuff.c: Include auto-host.h.
6108 Emit additional .hidden pseudo-op for __dso_handle if the
6109 assembler knows about it.
6111 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6113 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6114 before freeing argnames.
6115 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6117 2000-04-05 Michael Meissner <meissner@redhat.com>
6119 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6120 Walton <jonboy@gordian.com> to make memory references with update
6121 work wtih -mregnames.
6123 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6125 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6126 (regrename_optimize): Rename variables `def_uses' and
6127 `ext_basic_blocks' to avoid conflicts with similarly named
6128 typedefs in traditional C.
6130 * calls.c (initialize_argument_information): Fix typo in previous
6133 2000-04-04 Richard Henderson <rth@cygnus.com>
6135 * regrename.c (consider_available): Test fixed_regs not
6136 PIC_OFFSET_TABLE_REGNUM.
6138 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6140 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6142 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6143 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6144 (ENDFILE_LINUX_SPEC): Always use crtend.
6145 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6146 (powerpc-*-linux-gnu): Likewise.
6147 * configure: Regenerate.
6149 * config/rs6000/eabi.h: Don't include sysv4.h.
6150 (MULTILIB_DEFAULTS): Don't define.
6151 * config/rs6000/eabiaix.h: Don't include eabi.h.
6152 * config/rs6000/eabile.h: Delete.
6153 * config/rs6000/eabilesim.h: Delete.
6154 * config/rs6000/eabisim.h: Don't include eabi.h.
6155 * config/rs6000/linux.h: Don't include sysv4.h.
6156 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6157 (MULTILIB_DEFAULTS): Don't redefine.
6158 * config/rs6000/rtems.h: Don't include eabi.h.
6159 * config/rs6000/sol2.h: Don't include sysv4le.h.
6160 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6161 * config/rs6000/t-ppc: Delete.
6162 * config/rs6000/t-ppcgas: Correct comment.
6163 * config/rs6000/t-ppcos: Correct comment. Don't build
6164 multilibs for -fPIC, rather use -fPIC -mstrict-align
6166 * config/rs6000/t-ppc: Delete.
6167 * config/rs6000/vxppc.h: Don't include sysv4.h.
6168 * config/rs6000/vxppcle.h: Delete.
6169 * configure.in: Use multiple header files for p2pc ELF targets
6170 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6171 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6172 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6173 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6174 always available for these platforms.
6176 2000-04-04 Richard Henderson <rth@cygnus.com>
6178 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6180 2000-04-04 Stan Cox <scox@cygnus.com>
6182 * Makefile.in: Add rules for regrename.o
6183 * regrename.c: New file.
6184 * rtl.h (regrename_optimize): Add prototype.
6185 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6186 (compile_file, decode_d_option): Add support for -frename-registers.
6187 (rest_of_compilation): Call regrename_optimize.
6188 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6191 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6193 * Makefile (gccbug): New target.
6194 (doc): Depend on it.
6195 * gcc.texi (Bugs): Link subnodes.
6197 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6198 Document severities, priorities, and classes in bug form.
6200 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6202 * cpplex.c (trigraph_map, speccase): Combine into single
6204 (NORMAL, NONTRI): New macros.
6205 (_cpp_read_and_prescan): Change to use unified table. Use
6206 is_hspace to test for whitespace.
6208 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6209 definition that doesn't provoke the "empty body in an
6210 if-statement" warning.
6212 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6214 * builtins.c (expand_builtin_strlen): Force the source to
6215 be a memory address.
6217 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6219 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6221 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6223 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6224 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6225 (ECF_IS_CONST): Rename to ECF_CONST.
6226 (special_function_p): Make static, change interface.
6227 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6228 (expand_call) ... here; convert number of variables to flags.
6229 (emit_library_call_vlue_1): Likewise.
6230 (setjmp_call_p): New function.
6231 (initialize_argument_information): Accepts flags as argument;
6233 (precompute_arguments): Likewise.
6234 * tree.h (special_function_p): Remove.
6235 (setjmp_call_p): Add prototype.
6237 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6239 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6240 so that addresses are offsetable by up to 16 bytes.
6241 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6242 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6245 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6246 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6247 (movsf): Don't force any constant to memory if target is integer
6249 Move fp_zero_operand check below the const0_rtx check.
6250 (movtf): Likewise. Also allow fp_zero_operand for stores into
6252 (movdf): Likewise. Also allow fp_zero_operand for stores into
6253 memory and into integer hard registers.
6254 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6255 movdf_const_intreg_sp64): Remove.
6256 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6258 (movdf_no_e_insn_v9_sp32): New pattern.
6259 (movdf_insn_v9only): Remove.
6260 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6261 (movdf_insn_sp64): Remove.
6262 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6263 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6264 (following splits): Rewrite conditions. Add two new splits
6265 for storing 0.0 into memory and registers.
6266 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6267 (movtf_insn_sp32): Redo constraints and conditions.
6268 (movtf_insn_vis_sp32): New pattern.
6269 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6270 (movtf_insn_hq_sp64): Likewise.
6271 (movtf_insn_hq_vis_sp64): New pattern.
6272 (movtf_insn_sp64): Redo constraints and conditions.
6273 (movtf_insn_vis_sp64): New pattern.
6274 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6275 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6277 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6278 -mvis or -m64 to take down the number of various reload patterns.
6280 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6282 * pa/pa-64.h: New file.
6283 * pa/pa64-regs.h: New file.
6284 * pa/pa64-start.h: New file.
6285 * pa/t-pa64: New file.
6286 * pa/xm-pa64hpux.h: New file.
6288 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6290 * sparc.c (output_restore_regs): Prototype.
6291 (sparc_emit_float_lib_cmp): Constification.
6293 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6295 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6298 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6299 (get_value_hash, hash_rtx): Likewise.
6301 * ssa.c (compute_conservative_reg_partition): Prototype.
6303 * tree.c (mark_hash_entry): Prototype.
6305 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6307 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6308 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6309 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6311 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6312 * objc/lang-specs.h: Likewise.
6314 2000-04-03 Neil Booth <NeilB@earthling.net>
6316 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6317 and SYNTAX_ERROR2. Replace `' in messages with ''.
6318 (op_to_str): Make re-entrant.
6319 (_cpp_parse_expr): Implement new error macros. Use | rather
6320 than || to logically or 2 boolean integers. Simply expression
6321 checking we have a left operand iff needed.
6323 2000-04-03 Nick Clifton <nickc@cygnus.com>
6325 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6327 2000-04-03 Philip Blundell <philb@gnu.org>
6329 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6331 2000-04-03 Felix Lee <flee@cygnus.com>
6333 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6334 (run_shell): Use it.
6336 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6338 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6339 (stmp-fixproto): ...rather than here.
6341 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6343 * pa.c (print_operand): Compute 'base' only inside the code paths
6346 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6348 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6351 2000-04-03 Philipp Thomas <pthomas@suse.de>
6353 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6355 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6357 * Makefile.in (alias.o): Depend on $(TREE_H).
6359 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6361 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6363 * cpplib.c (_cpp_handle_directive): Improve warnings for
6364 traditional C and indented directives.
6366 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6367 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6368 fixinc/inclhack.def: Indent the # of #include_next one space.
6369 * cp/rtti.c: Un-indent #if and #endif.
6371 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6372 syntax error, but an error has already been printed.
6373 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6374 message when called with nothing remaining on the line.
6375 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6376 OTHER token, not an ASSERTION.
6377 * cpplib.c (do_assert): When we create a 'base' node, clear
6378 its aschain pointer.
6380 2000-04-02 Neil Booth <NeilB@earthling.net>
6382 * cppexp.c: New typedef op_t. struct operation and struct
6383 token updated to use it.
6384 (op_to_str): New function.
6385 (_cpp_parse_expr): Error messages modified to use op_to_str.
6387 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6389 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6390 before checking MUST_PASS_IN_STACK.
6392 2000-04-02 Neil Booth <NeilB@earthling.net>
6394 * cppexp.c: New FINISHED dummy token. Combine operator initial
6395 flags and initial priority into a single constant. New
6396 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6397 (_parse_cpp_expr): Implement new constants. Take left operand
6398 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6399 parse indicated by reducing FINISHED token. Remove new lines
6400 from cpp_error messages.
6402 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6404 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6407 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6409 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6410 directive. Add origin values to DIRECTIVE_TABLE. Generate
6411 the strings and function names on the fly. Take the #sccs
6412 entry out of the table if SCCS_DIRECTIVE is not defined.
6413 (_cpp_handle_directive): Decide if the # was at the beginning
6414 of the line here. Issue -pedantic warnings for extended
6415 directives here. Warn about K+R directives with the #
6416 indented, and C89/extended directives with the # not indented,
6418 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6419 do_assert, do_unassert): Don't issue pedantic warning here.
6421 * cpphash.h: Add CPP_WTRADITIONAL macro.
6422 * cpplib.h (struct cpp_options): Rename warn_stringify to
6423 warn_traditional; update comments.
6424 * cppinit.c (handle_option): Set warn_traditional not
6426 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6427 CPP_WTRADITIONAL (pfile).
6428 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6429 be ignored in -traditional mode here.
6431 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6432 to initialize speccase[] and trigraph_map[]. Delete all
6433 references to pfile->input_speccase. Always treat '?' as a
6434 special character. Remove table-initialization code from
6435 _cpp_init_input_buffer.
6437 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6438 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6440 2000-04-01 Richard Henderson <rth@cygnus.com>
6442 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6443 (mostlyclean): Likewise.
6445 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6446 (struct dump_file_info, enum dump_file_index, dump_file): New.
6447 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6448 not a string. Clean out file if we havn't yet done so. Do nothing
6449 if the dump isn't enabled.
6450 (close_dump_file): Do nothing if the dump isn't open. Dump
6451 graph data if requested.
6452 (dump_rtl, clean_dump_file): Remove.
6453 (compile_file): Don't clean the dump files. Only finalize .bp dump
6454 if flag_test_coverage or flag_branch_probabilities. Only finalize
6455 .combine dump if optimizing. Iterate over dump_file to finalize the
6457 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6458 Convert all uses of dump_rtl.
6459 (decode_d_option): Iterate over dump_file to implement 'a' and to
6460 locate pass-specific dumps.
6462 2000-04-01 Neil Booth <NeilB@earthling.net>
6464 * cppexp.c: Redefine priority constants.
6465 (_cpp_parse_expr): Replace left and right priority scheme with
6466 single priority logic. Move LOGICAL to same place as COMPARE.
6467 Remove bogus check for multiple unary +/- operators.
6469 2000-04-01 Neil Booth <NeilB@earthling.net>
6471 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6472 within the switch statement. Binary operations break out of
6473 the switch naturally. '(' tokens handled by forcing
6474 immediate shift. ')' handled by forcing immediate reduce to
6475 the previous '('. New error messages.
6477 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6479 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6480 part', it's already in use. Use %K instead. Add a return at the
6481 end of what is now %K.
6482 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6484 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6486 * builtins.c (expand_builtin_apply): Pass proper parameters to
6487 allocate_dynamic_stack_space.
6488 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6489 update stack_pointer_delta; do not update arg_size_so_far.
6490 (compute_argument_block_size): Use stack_delta instead of
6491 stack_pointer_pending and arg_size_so_far.
6492 (expand_call): Add sanity checking for stack_pointer_delta;
6493 save and restore stack_pointer_delta for SIB, use
6494 stack_pointer_delta for alignment; do not update arg_space_so_far.
6495 (emit_library_call_value): Use stack_pointer_delta for alignment.
6496 (store_one_arg): Do not update arg_space_so_far.
6497 * explow.c (adjust_stack, anti_adjust_stack): Update
6498 stack_pointer_delta.
6499 (allocate_dynamic_stack_space): Add sanity checking for
6500 stack_pointer_delta.
6501 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6502 stack_pointer_delta.
6503 (emit_push_insn): Update stack_pointer_delta.
6504 * function.h (struct expr_status): Add x_stack_pointer_delta;
6505 remove x_arg_space_so_far.
6506 (arg_space_so_far): Remove.
6507 (stack_pointer_delta): New macro.
6509 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6511 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6512 Reorder struct cpp_options and struct cpp_reader for better
6513 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6514 takes two args. Change all 'char' flags to 'unsigned char'.
6515 Move show_column flag into struct cpp_options. Don't
6516 prototype cpp_options_init.
6517 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6518 cppinit.c, cpplex.c, cpplib.c:
6519 Replace CPP_OPTIONS (pfile)->whatever with
6520 CPP_OPTION (pfile, whatever), and likewise for
6521 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6523 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6524 Extract CPP_OPTION (pfile, pending) and work with that
6526 (cpp_options_init): Delete.
6527 (cpp_reader_init): Turn on on-by-default options here.
6528 Allocate the pending structure here.
6529 (cl_options, enum opt_code): Define these from the same table,
6530 kept in a large macro. Add -fshow-column and -fno-show-column
6533 * cpperror.c (v_message): If show_column is off, don't print
6536 * cppmain.c: Update for new interface.
6537 * fix-header.c: Likewise.
6539 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6541 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6543 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6544 are passed to any invocation of AR_FOR_TARGET.
6545 (AR_CREATE_FOR_TARGET): New macro.
6546 (AR_EXTRACT_FOR_TARGET): New macro.
6547 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6548 AR_EXTRACT_FOR_TARGET.
6549 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6550 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6551 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6552 AR_EXTRACT_FOR_TARGET to sub-makes.
6554 2000-03-31 Neil Booth <NeilB@earthling.net>
6556 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6558 (_cpp_parse_expr): Check for multiple unary +/- operators.
6559 Correct priorities of ':' and '?'. Treat ')' as having a
6560 value. Ensure conditional expression is not void.
6562 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6564 * alias.c (canon_rtx): Make it global.
6565 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6567 * cse.c (struct table_elt): Add canon_exp.
6569 (invalidate): Canonicalize expressions only once.
6570 * rtl.h (canon_rtx): Declare.
6572 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6574 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6575 * alias.c (reg_known_value): Add comments.
6576 (init_alias_analysis): Likewise.
6577 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6579 (cse_basic_block): Fix typo in comment.
6580 * emit-rtl.c: Include hashtab.h.
6581 (const_int_htab): New variable.
6582 (const_int_htab_hash): New function.
6583 (const_int_htab_eq): Likewise.
6584 (rtx_htab_mark_1): Likewise.
6585 (rtx_htab_mark): Likewise.
6586 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6587 (unshare_all_rtx): Fix formatting.
6588 (init_emit_once): Initialize const_int_htab.
6589 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6591 * rtl.texi: Document the fact that all CONST_INTs with the same
6594 2000-03-30 Richard Henderson <rth@cygnus.com>
6596 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6598 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6600 * configure.in: Comment out --enable-c-cpplib stanza.
6601 * configure: Regenerate.
6603 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6605 * expr.c (store_constructor): Properly compute displacement and
6606 alignment when offset is variable.
6608 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6609 cases of alignment in bytes.
6611 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6613 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6614 since it is used to generate c-parse.y.
6615 * objc-parse.c, objc-parse.y: Regenerated.
6617 * function.c (expand_function_end): Pass alignment argument to
6618 emit_block_move in bits, not bytes.
6620 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6622 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6625 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6627 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6628 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6629 * function.c (assign_parms): Likewise.
6630 * integrate.c (expand_inline_function): Likewise.
6631 * stmt.c (expand_decl): Likewise.
6632 (copy_rtx_and_substitute): Likewise.
6633 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6634 (clear_by_pieces): Fix error in last change.
6635 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6636 * function.h (regno_pointer_align): Now unsigned.
6637 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6639 * config/i386/i386.c (aligned_operand): Likewise.
6640 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6641 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6642 (unaligned_memory_operand): Likewise.
6643 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6644 Also make alignments and sizes unsigned and some whitespace cleanup.
6645 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6647 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6648 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6649 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6650 (expand_builtin_memset): Likewise, but to clear_storage.
6651 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6652 (restore_fixed_argument_area): Likewise.
6653 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6654 (load_register_parameters): Likewise, to emit_group_load.
6655 (expand_call): Likewise, to emit_group_store and emit_block_move.
6656 (emit_library_call_value_1): Likewise, to emit_block_move.
6657 (store_one_arg): Likewise, and to emit_push_insn.
6658 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6659 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6660 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6661 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6662 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6663 (expand_assigment, store_expr, store_constructor_field): Likewise.
6664 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6665 (store_constructor, store_field, get_inner_reference): Likewise.
6666 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6667 (expand_expr, case COMPONENT_REF): Likewise.
6668 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6669 and positions; reindent code.
6670 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6671 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6672 (assign_parms): Likewise to emit_group_store.
6673 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6674 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6675 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6676 (expand_return): Likewise to {extract,store}_bit_field.
6677 * stor-layout.c (get_mode_alignment): Minor cleanup.
6678 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6679 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6681 2000-03-29 Nick Clifton <nickc@cygnus.com>
6683 * config/arm/arm.h: Undo effects of previous delta:
6684 (ASM_SPEC): Do not define.
6685 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6687 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6690 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6692 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6693 only after reading in the primary source file.
6695 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6697 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6698 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6699 or a reference to a va_list.
6700 * builtins.c (stabilize_va_list): Simplify now we don't have to
6701 work around C array address decay.
6702 * c-typeck.c (convert_for_assignment): Handle assignment to
6703 a reference parameter by taking the address of the RHS.
6704 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6705 (va_copy): Likewise.
6706 (__va_copy): Likewise.
6707 * ginclude/varargs.h (va_start): Likewise.
6708 (__va_copy): Likewise.
6710 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6712 * i386/djgpp.h: Remove extraneous "+".
6714 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6716 * calls.c (expand_call): Fix typo in last change.
6718 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6720 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6723 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6725 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6726 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6727 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6728 * tree.c (bit_position, byte_position): Likewise.
6729 * tree.h: Declare new functions.
6731 2000-03-29 Nick Clifton <nickc@cygnus.com>
6733 * config/arm/arm.c: Minor formatting changes/
6734 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6736 (ASM_SPEC): Define if not already defined.
6738 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6740 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6743 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6745 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6746 value, don't output it as unsigned.
6748 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6750 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6752 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6754 * c-common.c (c_common_nodes_and_builtins): Don't special case
6755 cplus_mode when declaring builtin bzero/bcmp, always avoid
6756 prototype arguments.
6758 2000-03-29 Bruce Korb <bkorb@gnu.org>
6760 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6763 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6765 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6766 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6767 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6768 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6769 (save_fixed_argument_area, restore_fixed_argument_area):
6770 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6771 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6772 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6773 (precompute_register_parameters): Avoid #ifdefs on
6774 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6775 (stire_one_args): Likewise.
6776 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6777 (emit_library_call_value_1): Likewise.
6778 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6779 ACCUMULATE_OUTGOING_ARGS.
6780 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6782 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6783 (use_crosses_set_p): Likewise.
6784 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6785 #define ACCUMULATE_OUTGOING_ARGS 1.
6786 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6788 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6790 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6791 (TARGET_SWITCHES): Add push-args, no-push-args,
6792 accumulate-outgoing-args and no-accumulate-outgoing-args.
6793 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6794 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6795 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6797 (emit_push_insn): Likewise.
6798 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6799 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6800 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6801 (STACK_DYNAMIC_OFFSET): Define correctly for both
6802 ACCUMULATE_OUTGOING_ARGS and normal mode.
6803 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6804 * tm.texi (PUSH_ARGS): Document.
6805 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6807 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6809 * flags.h (flag_optimize_sibling_calls): Declare.
6810 * calls.c (expand_call): Fail sibcall when
6811 !flag_optimize_sibling_calls
6812 * invoke.texi (flag_optimize_sibling_calls): Document.
6813 * toplev.c (flag_optimize_sibling_calls): New global variable.
6814 (f_options): Add flag_optimize_sibling_calls.
6815 (rest_of_compilation): Conditionize
6816 optimize_sibling_and_tail_recursive_calls by
6817 flag_optimize_sibling_calls.
6818 (main): Set flag_optimize_sibling_calls for -O2.
6819 * stmt.c (expand_return): Conditionize tail recursion by
6820 flag_optimize_sibling_calls.
6822 2000-03-29 Richard Henderson <rth@cygnus.com>
6824 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6825 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6827 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6829 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6831 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6833 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6835 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6836 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6837 * config/rs6000/aix.h: then modified likewise.
6839 2000-03-28 Richard Henderson <rth@cygnus.com>
6841 * rtl.h: Redistribute enum reg_note documentation.
6842 Kill trailing whitespace.
6843 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6844 Kill trailing whitespace.
6846 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6848 * cppfiles.c (hash_IHASH): Just return i->hash.
6849 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6850 htab_find_with_hash.
6851 (cpp_read_file): Likewise.
6852 (find_include_file): Likewise. Properly initialize
6853 ih->nshort. Share ih->name and ih->nshort if possible.
6854 * cpphash.c (_cpp_calc_hash): New function.
6855 (hash_HASHNODE): Just return h->hash.
6856 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6857 htab_find_with_hash.
6858 * cpphash.h: Prototype _cpp_calc_hash.
6859 * cppinit.c (initialize_builtins): Provide a valid hash
6860 to _cpp_make_hashnode, using _cpp_calc_hash.
6862 * cpphash.c (collect_expansion): # is not a special character
6863 in object-like macros. In -traditional mode, /**/ is not
6864 token paste at the beginning or end of the line.
6865 * cpplib.c (do_include, do_import, do_include_next): If
6866 parse_include fails, return immediately.
6868 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6870 * config/arm/arm.md (return peepholes): Update to reflect the new
6872 * config/arm/arm.c (arm_volatile_func): Also check
6873 current_function_nothrow.
6874 (output_return_instruction, output_func_prologue): Use it.
6875 (arm_output_epilogue, arm_expand_prologue): Likewise.
6877 2000-03-27 Tom Tromey <tromey@cygnus.com>
6879 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6882 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6884 * expr.c (store_constructor): SIZE now signed.
6885 For EXPR_SIZE, don't evaluate size; just needed if constant.
6886 * fold-const.c (fold): Fix a number of cases when folded tree is
6888 * function.c (flush_addressof): Reenable.
6889 * tree.h (flush_addressof): Likewise.
6890 * toplev.c (independent_decode_option): Look at strings_processed.
6891 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6893 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6895 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6896 Allow stack adjustment after function call.
6898 * regmove.c (struct csa_memlist): Make mem field rtx *.
6899 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6900 (try_apply_stack_adjustment): Replace whole MEM rtx.
6901 (combine_stack_adjustments_for_block): Update calls
6902 to record_one_stack_ref.
6904 2000-03-28 Neil Booth <NeilB@earthling.net>
6906 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6907 '\\' rather than a null character, so nulls are not special. Fix
6908 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6909 speed trigraph conversion.
6910 (_cpp_init_input_buffer): Initialize trigraph map.
6912 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6914 * config/i386/i386.c (output_387_binary_op): Correct intel
6915 mode assembly output, and add spaces after commas in AT&T
6916 output. Correct Unixware assembler comment. Document input
6917 constraints. Comment fp operations. Reduce profligate buffer
6918 size. Remove extraneous abort. Localize temp var.
6919 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6920 (output_fix_trunc): Add spaces after commas in assembly output.
6922 2000-03-27 Richard Henderson <rth@cygnus.com>
6924 * i386-protos.h (ix86_match_ccmode): Declare.
6925 * i386.c (ix86_match_ccmode): New.
6926 (ix86_expand_fp_compare): Update for pattern renames.
6927 (ix86_expand_strlensi_unroll_1): Likewise.
6928 * i386.h (EXTRA_CC_MODES): Add CCZ.
6929 (SELECT_CC_MODE): Use it for EQ/NE zero.
6930 * i386.md (cmpsi_ccz_1): New.
6932 (*testsi_ccz_1): New.
6933 (testqi_ccz_1): New.
6934 (cmpsi_ccno_1): Rename from cmpsi_0.
6935 (testsi_ccno_1): Rename from testsi_1.
6936 (testqi_ccno_1): Rename from testqi_1.
6937 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6938 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6939 (*cmphi_0): Use ix86_match_ccmode.
6940 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6941 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6942 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6943 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6944 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6945 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6946 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6947 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6948 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6949 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6950 (appropriate peepholes): Likewise.
6951 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6952 (*subsi_3, *subhi_3, *subqi_3): Remove.
6953 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6954 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6955 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6956 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6957 (x86_shift_adj_1): Use CCZ.
6958 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6960 2000-03-27 Stan Cox <scox@cygnus.com>
6962 * resource.h (mark_resource_type): New.
6963 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6964 find_free_register): Use mark_resource_type.
6965 (mark_set_resources): Change include_delayed_effects
6966 to mark_resource_type.
6967 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6968 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6969 Use mark_resource_type.
6971 2000-03-27 Richard Henderson <rth@cygnus.com>
6973 * i386.md (call_pop_0, call_value_pop_0): New.
6974 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6975 (call_value_pop_1): Likewise.
6976 (call_0, call_value_0): New.
6977 (call_1, call_value_1): Remove constraint from unused arg.
6979 2000-03-27 Nick Clifton <nickc@cygnus.com>
6981 * invoke.texi (Spec Files): Document new spec % command created by
6982 Tom Tromey's recent patch.
6984 2000-03-27 Jakub Jelinek <jakub@redhat.com>
6986 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
6989 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6991 * expr.c (expand_assignment): Fix typo in last change.
6993 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
6995 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6997 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
6998 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
6999 and DECL_INLINE if FUNCTION_DECL.
7000 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7001 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7002 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7003 (combine_parm_decls): Likewise.
7004 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7005 * print-tree.c (print_node): Likewise.
7006 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7007 DECL_TRANSPARENT_UNION on proper decl types.
7008 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7009 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7010 DECL_BIT_FIELD of FIELD_DECL.
7011 * tree.h (DECL_RESULT_FLD): New macro.
7013 * expr.c (expand_assignment): Add code to handle variable-sized
7016 2000-03-26 Richard Henderson <rth@cygnus.com>
7018 * calls.c (expand_call): Pass parms not original exp to
7019 optimize_tail_recursion. Mind return value instead of looking
7021 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7022 call_expr. Move checks for call_expr and current_function_decl ...
7023 (expand_return): ... here.
7025 2000-03-26 Tom Tromey <tromey@cygnus.com>
7027 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7028 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7030 (process_command): Use them.
7031 (check_live_switch): Likewise.
7032 (give_switch): Skip ignored switches.
7034 2000-03-26 Jan Hubicka <jh@suse.cz>
7036 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7037 for minimal jump pass test.
7039 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7041 * integrate.c (function_cannot_inline_p): Do inline functions that
7044 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7046 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7047 now a list of TREE_LIST entries, not types.
7048 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7050 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7051 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7053 * config/mips/mips.c (function_arg): Likewise; also remove cast
7054 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7055 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7056 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7057 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7058 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7059 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7060 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7061 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7062 num_adjusts now unsigned.
7063 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7064 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7066 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7067 as is BITPOS variable; use host_integerp and int_bit_position.
7068 (function_arg_record_value_2): Likewise.
7069 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7070 Variable REGNO now unsigned.
7071 (function_arg_record_value): NREGS now unsigned.
7073 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7075 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7077 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7079 * Rework fields used to describe positions of bitfields and
7080 modify sizes to be unsigned and use HOST_WIDE_INT.
7081 * alias.c (reg_known_value_size): Now unsigned.
7082 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7083 (really_start_incremental_init): Use bitsize_zero_node.
7084 (push_init_level, pop_init_level, output_init_element): Likewise.
7085 Use bitsize_unit_node and bitsize_one_node.
7086 (output_pending_init_elements, process_init_element): Likewise.
7087 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7088 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7089 HOST_WIDE_INT, respectively.
7090 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7091 (num_sign_bit_copies): Returns unsigned.
7092 BITWIDTH now unsigned; rework arithmetic.
7093 Remove recursive call from arg to MAX.
7094 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7095 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7097 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7098 (find_split_point, expand_compound_operation, make_extraction): LEN
7099 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7100 (make_field_assignment): Likewise.
7101 (combine_simplify_rtx): Add cast.
7102 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7103 (force_to_mode): WIDTH now unsigned; add cast.
7104 (if_then_else_cond): SIZE now unsigned.
7105 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7106 (extended_count): Now returns unsigned.
7107 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7108 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7109 (simplify_comparison): MODE_WIDTH now unsigned.
7110 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7111 (mark_used_regs_combine): Likewise; rework arithmetic.
7112 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7113 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7114 (record_promoted_value): REGNO now unsigned.
7115 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7116 (get_last_value): REGNO now unsigned.
7117 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7118 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7119 (remove_death): Arg REGNO now unsigned.
7120 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7121 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7123 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7124 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7125 (struct cse_reg_info): REGNO now unsigned.
7126 (cached_regno): Now unsigned.
7127 (REGNO_QTY_VALID_P): Add cast.
7128 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7129 (remove_invalid_regs): Likewise.
7130 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7131 as are variables END and I.
7132 (get_cse_reg_info, insert): Likewise.
7133 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7134 (canon_hash): Likewise.
7135 (insert_regs, lookup_for_remove): REGNO now unsigned.
7136 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7138 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7139 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7140 * emit-rtl.c (subreg_realpart_p): Add cast.
7141 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7142 (operand_subword_force): Arg I is now unsigned.
7143 * except.c (eh_regs): Variable I is now unsigned.
7144 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7145 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7146 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7147 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7148 (extract_split_bit_field, store_bit_field, extract_bit_field):
7150 * expr.c (store_constructor_fields, store_constructor, store_field):
7151 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7152 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7153 (do_jump): Likewise.
7154 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7155 MAX_SIZE is now unsigned.
7156 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7157 (emit_group_store): Likewise.
7158 (emit_move_insn): I now unsigned.
7159 (store_constructor): Use host_integerp, tree_low_cst, and
7161 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7162 Rework all calculations to use trees and new fields.
7163 * expr.h (promoted_input_arg): Regno now unsigned.
7164 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7165 (mark_seen_cases): Arg is HOST_WIDE_INT.
7166 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7167 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7168 precisions and alignments are unsigned.
7169 (optimize_bit_field_compare, fold_truthop): Likewise.
7170 (int_const_binop): Adjust threshold for size_int_type_wide call.
7171 (fold_convert): Likewise.
7172 (size_int_type_wide): Make table larger and fix thinko that only
7173 had half of table used.
7174 (all_ones_mask_p, fold): Precisions are unsigned.
7175 * function.c (put_reg_info_stack): REGNO is unsigned.
7176 (instantiate_decl): Size is HOST_WIDE_INT.
7177 (instantiate_virtual_regs): I is unsigned.
7178 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7179 (promoted_input_arg): REGNO is unsigned.
7180 * function.h (struct function): x_max_parm_reg is now unsigned.
7181 * gcse.c (max_gcse_regno): Now unsigned.
7182 (struct null_pointer_info): min_reg and max_reg now unsigned.
7183 (lookup_set, next_set): REGNO arg now unsigned.
7184 (compute_hash_table): REGNO and I now unsigned.
7185 (handle_avail_expr): regnum_for_replacing now unsigned.
7186 (cprop_insn): REGNO now unsigned.
7187 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7188 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7189 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7190 * hard-reg-set.h (reg_class_size): Now unsigned.
7191 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7192 * jump.c (mark_modified_reg): I now unsigned; add cast.
7193 (rtx_equal_for_thread_p): Add cast.
7194 * loop.c (max_reg_before_loop): Now unsigned.
7195 (struct_movable): REGNO now unsigned.
7196 (try_copy_prop): REGNO arg unsigned.
7197 (regs_match_p): XN and YN now unsigned.
7198 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7199 (strength_reduce): Likewise; NREGS also unsigned.
7200 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7201 * loop.h (struct iv_class): REGNO now unsigned.
7202 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7204 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7205 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7206 * optabs.c (expand_binop): I and NWORDS now unsigned.
7207 (expand_unop): I now unsigned.
7208 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7209 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7210 * real.c (significand_size): Now returns unsigned.
7211 * real.h (significand_size): Likewise.
7212 * regclass.c (reg_class_size): Now unsigned.
7213 (choose_hard_reg_mode): Both operands now unsigned.
7214 (record_reg_classes): REGNO and NR now unsigned.
7215 (reg_scan): NREGS now unsigned.
7216 (reg_scan_update): old_max_regno now unsigned.
7217 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7218 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7219 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7220 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7221 Likewise for variable R.
7222 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7223 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7224 (find_equiv_reg): Add casts.
7225 (regno_clobbered_p): Arg REGNO now unsigned.
7226 * reload.h (struct reload): NREGS now unsigned.
7227 (refers_to_regno_for_reload_p): Regno args are unsigned.
7228 (regno_clobbered_p): Likewise.
7229 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7230 (compute_use_by_pseudos): REGNO now unsigned.
7231 (find_reg): I and J now unsigned, new variable K, and change loop
7232 variables accordingly; THIS_NREGS now unsigned.
7233 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7234 (spill_hard_reg): REGNO arg now unsigned; add casts.
7235 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7236 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7237 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7238 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7239 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7240 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7241 (emit_reload_insns): REGNO now unsigned.
7242 (reload_cse_move2add): Add cast.
7243 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7245 * resource.c (mark_referenced_resources, mark_set_resources): New
7246 variable R; REGNO and LAST_REGNO now unsigned.
7247 (mark_target_live_regs): J and REGNO now unsigned.
7248 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7249 * rtl.h (union rtunion_def): New field rtuint.
7250 (XCUINT): New macro.
7251 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7252 (operand_subword, operand_subword_force): Word number is unsigned.
7253 (choose_hard_reg_mode): Operands are unsigned.
7254 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7255 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7256 (regno_use_in, combine_instructions, remove_death): Likewise.
7257 (reg_scan, reg_scan_update): Likewise.
7258 (extended_count): Return is unsigned.
7259 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7260 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7261 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7262 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7263 (reg_reg_last_1): FIRS and LAST now unsigned.
7264 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7265 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7267 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7268 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7269 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7270 (replace_regs): Arg NREGS now unsigned.
7271 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7272 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7273 (simplify_binary_operation): Likewise.
7274 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7275 THIS_LAST now unsigned.
7276 (cselib_record_set): Add cast.
7277 * ssa.c (ssa_max_reg_num): Now unsigned.
7278 (rename_block): REGNO now unsigned.
7279 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7281 (all_cases_count): Just return -1 not -2.
7282 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7283 Rework tests to use trees whenever possible.
7284 Use host_integerp and tree_low_cst.
7285 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7286 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7287 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7288 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7289 (smallest_mode_for_size): Likewise.
7290 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7291 KNOWN_ALIGN is now an alignment, so simplify code.
7292 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7293 (start_record_layout): Renamed from new_record_layout_info.
7294 Update to new fields.
7295 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7297 (place_union_field): Renamed from layout_union_field.
7298 Update to use new fields in rli.
7299 (place_field): Renamed from layout_field.
7300 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7301 (finalize_record_size): Rework to use new fields in rli and handle
7303 (compute_record_mode): Rework to simplify and to use new DECL fields.
7304 (finalize_type_size): Make rounding more consistent.
7305 (finish_union_layout): Deleted.
7306 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7307 (layout_type, case RECORD_TYPE): Call new function names.
7308 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7309 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7310 (get_best_mode): UNIT is now unsigned; remove casts.
7311 * tree.c (bit_position): Compute from new fields.
7312 (byte_position, int_byte_position): New functions.
7313 (print_type_hash_statistics): Cast to remove warning.
7314 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7315 (build_index_type): Likewise; make subtype of sizetype.
7316 (build_index_2_type): Pass sizetype to build_range_type.
7317 (build_common_tree_nodes): Use size_int and bitsize_int to
7318 initialize nodes; add bitsize_{zero,one,unit}_node.
7319 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7320 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7321 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7322 (DECL_FIELD_BITPOS): Deleted.
7323 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7324 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7325 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7326 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7327 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7328 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7329 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7330 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7331 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7332 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7333 (DECL_ALIGN): Adjust to new field in union.
7334 (DECL_OFFSET_ALIGN): New field.
7335 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7336 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7337 (union tree_decl): Add struct for both aligns.
7338 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7339 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7340 (struct record_layout_info): Rework fields to have offset
7341 alignment and byte and bit position.
7342 (start_record_layout, place_field): Renamed from old names.
7343 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7344 (byte_position, int_byte_position): Likewise.
7345 (get_inner_reference): Change types of position and length.
7346 * unroll.c (unroll_loop): New variable R; use for some loops.
7347 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7348 (calculate_giv_inc): Arg REGNO now unsigned.
7349 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7350 * varasm.c (assemble_variable): Clean up handling of size using
7351 host_integerp and tree_low_cst.
7352 (decode_addr_const): Use byte, not bit, position.
7353 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7354 use tree_low_cst and int_bit_position.
7355 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7357 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7359 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7360 (reorder_block_def): New members eff_head and eff_end.
7361 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7362 (verify_insn_chain): New function.
7363 (skip_insns_between_block): Add code to skip deleted insns.
7364 Check for note before using.
7365 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7366 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7367 Check for note before using.
7368 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7369 (fixup_reorder_chain): Restructure, clean up, defect removal.
7370 (reorder_basic_blocks): Remove last_insn and references to it.
7371 Moved insn chain verification code into a new function (see above).
7372 Delete defective code that sets last insn.
7373 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7376 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7378 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7380 2000-03-24 Richard Henderson <rth@cygnus.com>
7382 * tree.c (lang_safe_for_unsave): Remove.
7383 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7384 allowing for two levels of unsafeness. Remove lang hook.
7385 * tree.h: Update declarations.
7386 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7387 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7388 Always fail sibcalls when there are pending cleanups.
7390 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7392 * flow.c (propagate_block): When we delete an ADDR_VEC,
7393 also delete the BARRIER following it if there is one.
7395 2000-03-24 Richard Henderson <rth@cygnus.com>
7397 * builtins.c (expand_builtin_bzero): Convert `length' argument
7400 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7402 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7403 comparison if regno's are equal.
7404 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7405 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7406 (expand_call): Update caller.
7407 Avoid making a sibling call if argument size of the callee is larger
7408 than argument size of the caller.
7409 Call hard_function_value with outgoing set if in sibcall pass.
7410 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7412 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7413 Change LEAF_REGISTERS from an array initializer to actual array
7414 identifier. Move static global variable into the function.
7415 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7416 sequences for leaf functions.
7417 * global.c (global_alloc): Likewise.
7418 * tm.texi (LEAF_REGISTERS): Update documentation.
7420 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7421 TARGET_FLAT leaf disabling hack.
7422 (LEAF_REGISTERS): Changed from an array initializer to actual array
7423 identifier to avoid duplication and remove the above hack.
7424 (FUNCTION_OK_FOR_SIBCALL): Define.
7425 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7426 always like call attribute.
7427 (eligible_for_sibcall_delay): New attribute.
7428 (sibcall): New delay type.
7429 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7430 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7431 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7432 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7433 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7435 (output_function_epilogue): Move part of the code into
7436 output_restore_regs.
7437 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7439 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7442 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7443 until infrastructure is finished.
7445 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7447 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7448 (save_parm_insns): Not here.
7450 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7452 * builtins.c (expand_builtin_bzero): New function.
7453 (expand_builtin): Handle bzero.
7455 * builtins.def: Add BUILT_IN_BZERO.
7457 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7458 prototype & function for bzero.
7460 2000-03-23 Michael Meissner <meissner@redhat.com>
7462 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7463 change adding TARGET_FP to the TF floating point insns, except for
7464 trunctfsf2, which generates direct calls to truncdfsf2.
7466 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7468 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7469 try to protect against middle-end changes that break binary
7471 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7473 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7475 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7477 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7479 * calls.c (expand_call): If TARGET is passed by reference and
7480 is readonly, write a CLOBBER.
7482 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7484 * builtins.c (expand_builtin): Handle bcmp.
7486 * builtins.def: Add BUILT_IN_BCMP.
7488 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7489 prototype & function for bcmp.
7491 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7493 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7494 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7495 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7497 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7499 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7500 alternative when using -fp64 -gp32.
7502 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7504 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7505 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7506 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7508 * frame.h (frame_state): Revert last change.
7509 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7510 * libgcc2.c (throw_helper): Revert last change.
7512 2000-03-22 Richard Henderson <rth@cygnus.com>
7514 * stmt.c (expand_asm_operands): Don't promote the temporary.
7516 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7518 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7519 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7520 c_get_alias_set): Likewise.
7521 * c-decl.c (duplicate_decls): Likewise.
7522 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7523 * calls.c (initialize_argument_information): Likewise.
7524 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7526 * dwarfout.c (decl_class_context,output_type): Likewise.
7527 * expr.c (get_inner_reference): Likewise.
7528 * fold-const.c (simple_operand_p,fold): Likewise.
7529 * function.c (aggregate_value_p): Likewise.
7530 * stmt.c (expand_asm_operands): Likewise.
7531 * varasm.c (named_section): Likewise.
7533 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7535 Implement dwarf2 exception handling for the ARM.
7536 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7537 (DWARF_FRAME_RETURN_COLUMN): Define.
7538 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7539 REG_FRAME_RELATED_EXPR note.
7540 (emit_sfm): Likewise.
7541 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7542 * dwarf2out.c (reg_save): Handle saving a register to itself.
7543 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7544 * except.c (eh_regs): Don't use the static chain reg if it's
7546 * frame.h (frame_state): Add cfa_saved field.
7547 * frame.c (execute_cfa_insn): Set it.
7548 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7550 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7552 (instantiate_virtual_regs): Adjust.
7554 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7555 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7556 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7558 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7559 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7561 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7563 * builtins.def: New file.
7565 * Makefile.in (TREE_H): Depend on builtins.def.
7567 * builtins.c (built_in_names): Use builtins.def.
7569 * tree.h (built_in_function): Likewise.
7571 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7573 * tree.c (size_in_bytes): Return size_zero_node, not
7576 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7578 * config/fp-bit.c (pack_d): Correct the case when a denormal
7579 is rounded up and stops being denormal.
7581 2000-03-21 Richard Henderson <rth@cygnus.com>
7583 * config/alpha/alpha.c (function_arg): Check for void_type_node
7584 before using MUST_PASS_IN_STACK.
7586 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7588 * regmove.c (combine_stack_adjustments_for_block): Check that
7589 the stack pointer is a valid memory address.
7591 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7593 * calls.c: re-install Mar 16 emit_library_call merge.
7595 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7597 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7598 we cannot be sure that if reload_completed base register will
7599 be properly aligned.
7601 2000-03-21 Richard Henderson <rth@cygnus.com>
7603 * flow.c (delete_block): Fix typo last change.
7605 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7607 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7608 not COMPLETE_TYPE_P, to check the type of the expression.
7610 2000-03-21 Michael Meissner <meissner@redhat.com>
7612 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7613 all floating point insns that just tested the macro
7614 TARGET_HAS_XFLOATING_LIBS.
7615 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7616 used to only use the gprs.
7618 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7620 * tree.h (COMPLETE_TYPE_P): New macro.
7621 (COMPLETE_OR_VOID_TYPE_P): New macro.
7622 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7623 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7624 * c-aux-info.c (gen_type): Use them.
7625 * c-common.c (c_expand_expr_stmt): Likewise.
7626 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7627 grokdeclarator, grokparms, finish_struct, start_function,
7628 store_parm_decls, combine_parm_decls): Likewise.
7629 * c-parse.y (cast_expr): Likewise.
7630 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7631 c_size_in_bytes, c_alignof, build_component_ref,
7632 build_indirect_ref, build_array_ref, convert_arguments,
7633 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7634 * calls.c (initialize_argument_information): Likewise.
7635 * convert.c (convert_to_integer): Likewise.
7636 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7637 * dwarfout.c (location_or_const_value_attribute,
7638 output_enumeration_type_die, output_structure_type_die,
7639 output_union_type_die, output_type): Likewise.
7640 * expr.c (safe_from_p, expand_expr): Likewise.
7641 * function.c (assign_parms): Likewise.
7642 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7643 * tree.c (build_array_type, build_function_type,
7644 build_method_type, build_offset_type, build_complex_type): Likewise.
7645 * c-parse.c, c-parse.h: Regenerated.
7647 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7649 * config/c4x/rtems.h: Include config/rtems.h.
7651 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7653 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7654 decl is a FUNCTION_DECL
7656 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7658 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7659 function uses output registers. Don't save RP for leaf functions.
7660 Do save RP even if no epilogue.
7661 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7662 (CALL_USED_REGISTERS): Unmark in registers.
7663 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7666 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7668 * config/rs6000/rs6000.md (bunordered): New expander.
7669 (bordered): New expander.
7670 (buneq): New expander.
7671 (bunge): New expander.
7672 (bungt): New expander.
7673 (bunle): New expander.
7674 (bunlt): New expander.
7675 (bltgt): New expander.
7677 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7678 (ccr_bit_negated_p): New function.
7679 (print_operand): For %C, generate appropriate cror for UNEQ,
7680 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7682 2000-03-20 Andreas Jaeger <aj@suse.de>
7684 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7687 * tree.h (safe_for_unsave): Prototype.
7689 2000-03-20 Richard Henderson <rth@cygnus.com>
7691 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7692 (combine_stack_adjustments_for_block): Don't allow sp references
7693 in the side of a set we're not fixing up.
7694 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7695 after life_analysis.
7697 2000-03-20 Richard Henderson <rth@cygnus.com>
7699 * calls.c (expand_call): Don't bother generating tail call
7700 sequences if there are pending cleanups. Use
7701 expand_start_target_temps/expand_end_target_temps to elide
7702 cleanups created during sibcall expansion.
7704 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7706 * configure.in: Set $IFS to a value if it doesn't already have one
7707 in the --enable-checking handling.
7708 * configure: Regenerate.
7710 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7712 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7713 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7716 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7718 * jump.c (delete_noop_moves): Remove code attempting to
7719 combine stack adjustments.
7721 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7723 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7724 * except.c (emit_cleanup_handler): Use them.
7725 (expand_end_all_catch): Likewise.
7726 * function.c (fixup_var_refs): Likewise.
7727 (expand_function_end): Clear catch_clauses_last.
7728 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7729 * except.h (struct eh_status): New field x_catch_clauses_last.
7730 (catch_clauses_last): New define.
7732 * Makefile.in (tree.o): Depend on HASHTAB_H.
7733 * tree.c: Include hashtab.h.
7734 (struct type_hash): Remove next field.
7735 (TYPE_HASH_SIZE): Remove.
7736 (TYPE_HASH_INITIAL_SIZE): New define.
7737 (type_hash_table): Change type to htab_t.
7738 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7739 mark_hash_entry): New functions.
7740 (init_obstacks): Allocate type hash.
7741 (type_hash_lookup): Use htab functions.
7742 (type_hash_add, mark_type_hash): Likewise.
7743 (dump_tree_statistics): Call print_type_hash_statistics.
7745 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7747 * rs6000/t-aix41: New file.
7749 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7751 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7753 * tm.texi (Driver): Fix typos and tweak entry for
7755 Move misplaced STRUCT_FORCE_BLK entry ...
7756 (Storage Layout): ... to here.
7757 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7759 2000-03-19 Richard Henderson <rth@cygnus.com>
7761 * flow.c (delete_block): Delete the addr_vec along with the block.
7762 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7765 * fold-const.c (extract_muldiv): Apply type check for defined
7766 overflow to multiply as well as divide.
7768 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7770 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7772 * emit-rtl.c (remove_unncessary_notes): Check that all
7773 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7774 associated NOTE_BLOCK.
7775 * function.h (identify_blocks): Update comments.
7776 (reorder_blocks): Declare.
7777 * function.c (identify_blocks): Don't take paramters.
7778 (reorder_blocks): Don't take parameters.
7779 * loop.h (find_loop_tree_blocks): Remove.
7780 (unroll_block_trees): Likewise.
7781 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7782 reorder_blocks instead of unroll_block_trees.h
7783 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7784 * stmt.c (find_loop_tree_blocks): Remove.
7785 (unroll_block_trees): Likewise.
7786 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7787 in whole-function mode.
7788 * tree.h (reorder_blocks): Remove declaration.
7790 * expr.c: Include intl.h.
7791 * Makefile.in (expr.o): Depend on intl.h.
7793 2000-03-18 Richard Henderson <rth@cygnus.com>
7795 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7797 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7799 * tree.h (tree_index): Remove enumerals for integer types.
7800 (integer_type_kind): New type.
7801 (integer_types): New variable.
7802 (char_type_node): Adjust.
7803 (signed_char_type_node): Likewise.
7804 (unsigned_char_type_node): Likewise.
7805 (short_integer_type_node): Likewise.
7806 (short_unsigned_type_node): Likewise.
7807 (integer_type_node): Likewise.
7808 (unsigned_type_node): Likewise.
7809 (long_integer_type_node): Likewise.
7810 (long_unsigned_type_node): Likewise.
7811 (long_long_integer_type_node): Likewise.
7812 (long_long_unsigned_type_node): Likewise.
7813 * tree.c (integer_types): New variable.
7814 (init_obstacks): Register it as a root.
7816 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7818 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7819 NEXT_INSN. Update last insn in chain.
7821 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7823 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7824 with TYPE_DECL_SUPPRESS_DEBUG set.
7826 2000-03-18 Richard Henderson <rth@cygnus.com>
7828 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7830 2000-03-18 Richard Henderson <rth@cygnus.com>
7832 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7833 care for HALF_PIC_P.
7834 (expander_call_insn_operand): Remove.
7835 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7836 * i386.h (PREDICATE_CODES): Update.
7837 * i386.md (all call expanders): Remove predicates, remove special
7838 handling for half-pic.
7839 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7840 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7841 (sibcall_epilogue): New.
7843 2000-03-17 Richard Henderson <rth@cygnus.com>
7845 * rtlanal.c (single_set): Reject if the parallel has anything
7846 except SET or USE or CLOBBER.
7848 2000-03-17 Jeff Law <law@cygnus.com>
7849 Richard Henderson <rth@cygnus.com>
7851 * Makefile.in (OBJS): Add sibcall.o.
7853 * sibcall.c: New file.
7854 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7855 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7856 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7857 Emit sibcall patterns when requested. Update all callers.
7858 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7859 elimination seems feasable.
7860 * final.c (leaf_function_p): Sibling calls don't discount being
7862 * flow.c (HAVE_sibcall_epilogue): Provide default.
7863 (find_basic_blocks_1): Sibling calls don't throw.
7864 (make_edges): Make edge from sibling call to EXIT.
7865 (propagate_block): Don't remove sibcall_epilogue insns.
7866 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7867 (sibcall_epilogue): New.
7868 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7869 (identify_blocks_1): Likewise. Break out from ...
7870 (identify_blocks): ... here.
7871 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7872 (reorder_blocks): ... here.
7873 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7874 (record_insns): Extend a varray instead of mallocing new memory.
7875 (contains): Read a varray not array of ints.
7876 (sibcall_epilogue_contains): New.
7877 (thread_prologue_and_epilogue_insns): Emit and record
7878 sibcall_epilogue patterns.
7879 (init_function_once): Allocate prologue/epilogue varrays.
7880 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7881 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7883 (save_for_inline_nocopy): ... here.
7884 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7886 (expand_inline_function): ... here.
7887 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7888 (subst_constants): Handle 'n' formats.
7889 * jump.c (jump_optimize_minimal): New.
7890 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7891 optimizations if it's set.
7892 * rtl.c (copy_rtx): Do copy jump & call for insns.
7893 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7894 (SIBLING_CALL_P): New.
7895 (sibcall_use_t): New.
7896 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7897 Invoke optimize_sibling_and_tail_recursive_calls.
7898 * tree.c (lang_safe_for_unsave): New.
7899 (safe_for_unsave): New.
7900 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7902 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7903 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7904 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7906 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7908 * objc/objc-act.c (encode_method_prototype): Pass types, not
7909 PARM_DECLs, to int_size_in_bytes.
7911 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7913 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7915 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7916 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7918 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7920 * Clean up usages of TREE_INT_CST_LOW.
7921 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7922 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7924 * c-tree.h (min_precision): Move declaration to here.
7925 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7926 (build_unary_op, add_pending_init): Use bit_position.
7927 (pending_init_member, process_init_element): Likewise.
7928 (really_start_incremental_init, push_init_level, pop_init_level):
7929 Don't make copies of nodes or modify them in place, use consistent
7930 types when tracking positions, and use tree routines computations.
7931 (set_init_index, output_init_element): Likewise.
7932 (output_pending_init_elements, process_init_element): Likewise.
7933 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7934 tree_low_cst and int_bit_position; also minor cleanup.
7935 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7936 (print_cst_octal): Precision is unsigned.
7937 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7938 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7939 (simple_type_align_in_bits): Result is unsigned int.
7940 Use tree_int_low_cst and host_integerp.
7941 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7942 (field_byte_offset): Result is HOST_WIDE_INT.
7943 Change types of internal variables so alignments are unsigned int,
7944 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7945 Use host_integerp, tree_low_cst, and int_bit_position.
7946 (add_bit_offset_attribute): Likewise.
7947 (add_data_member_location_attribute): Use tree_cst_low.
7948 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7949 (add_bit_size_attribute): Use tree_low_cst.
7950 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7951 * dwarfout.c: Similar changes to dwarf2out.c.
7952 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7953 * genoutput.c (n_occurences): Return -1 for null string.
7954 (strip_whitespace): Accept null string and make into function.
7955 (scan_operands): Reflect above changes.
7956 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7957 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7958 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7959 * tree.c (int_size_in_bytes): Check for too big to represent.
7960 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7961 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7963 (min_precision): Delete from here.
7964 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7965 and int_bit_position.
7966 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7967 (encode_method_def): Likewise.
7968 (build_ivar_list_initializer): Use int_bit_position.
7969 (generate_shared_structures): Convert size.
7970 (encode_type, encode_complete_bitfield): Use integer_zerop.
7971 (encode_bitfield): Use tree_low_cst and int_bit_position.
7973 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7975 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7977 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7979 * call.c (special_function_p): It is only malloc if it returns
7982 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7984 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
7985 (C33_FLAG, TARGET_C3X): Add macros.
7986 (TARGET_SWITCHES): Add -m33 option.
7987 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
7989 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7991 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
7992 (PARALLEL_PACK_FLAG): Delete.
7993 (TARGET_SWITCHES): Update.
7994 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
7996 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7998 * fold-const.c (fold): Fix a few cases when the returned result
7999 is not of the same type as the input.
8001 2000-03-16 Nick Clifton <nickc@cygnus.com>
8003 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8006 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8008 * libgcc2.h: Move prototypes above macros with the same name.
8009 Wrap some function prototypes in the conditional which indicates
8010 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8012 2000-03-16 Richard Henderson <rth@cygnus.com>
8014 * calls.c: Revert last two changes.
8016 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8018 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8019 has exponent 0 is a zero.
8021 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8022 HASH may already be nonzero. Add code/mode into hash value
8023 immediately after repeat label.
8024 (cselib_lookup): Don't leave the hash table in an inconsistent
8025 state before a hash lookup operation.
8027 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8029 * i386.md (all HI and QI mode non-move patterns): Conditionize
8030 by TARGET_[HQ]IMODE_MATH.
8031 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8032 x86_promote_qi_regs): Declare.
8033 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8034 TARGET_PROMOTE_QI_REGS): New macros.
8035 (PROMOTE_MODE): New macro.
8036 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8037 x86_promote_qi_regs): New global variables.
8039 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8041 * calls.c (emit_library_call_value_1): Break out from ...; handle
8042 VOIDmode function calls too.
8043 (emit_library_call_value): ... here.
8044 (emit_library_call): Implement by calling emit_library_call_value_1.
8046 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8048 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8049 Update arg_space_so_far on stack adjustments.
8050 (emit_library_call, emit_library_call_value): Likewise; take into
8051 account arg_space_so_far and pending_stack_adjust when calculcating
8054 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8056 * flow.c: Move all basic block reordering code into its own file.
8057 (create_basic_block): Externalize.
8058 * bb-reorder.c: New file. Copy all basic block reordering code from
8059 flow.c to this file.
8060 (reorder_basic_blocks): Fix fencepost error in for-loop.
8061 (reorder_basic_blocks): Remove braces from single statement for-loops.
8062 * basic-block.h: Add declaration for create_basic_block.
8063 * Makefile.in: Add rules for bb-reorder.o.
8065 2000-03-16 Neil Booth <NeilB@earthling.net>
8067 * cppinit.c (handle_option): Implement #unassert directive
8068 as -A- command line option.
8069 (print_help): Update.
8070 * cpptexi.c: Update.
8072 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8074 * md.texi (Standard Names): Document `jump'.
8076 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8078 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8081 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8083 Merge changes from newppc-branch onto trunk.
8085 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8087 * rs6000.c (toc_hash_table): Update for new hash table functions.
8088 (toc_hash_function): Likewise.
8089 (toc_hash_eq): Likewise.
8090 (toc_hash_mark_entry): Likewise.
8091 (toc_hash_mark_table): Likewise.
8092 (output_toc): Likewise.
8093 (rs6000_add_gc_roots): Likewise.
8095 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8097 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8098 (AR_FLAGS_FOR_TARGET): here. New macro.
8100 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8102 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8103 fpmem_operand) Delete.
8105 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8106 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8107 (rs6000_save_machine_status, rs6000_restore_machine_status,
8108 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8109 references to above variables.
8110 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8111 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8112 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8113 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8114 (XER_REGNO_P, XER_REGNO): New.
8115 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8116 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8117 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8119 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8120 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8121 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8123 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8125 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8126 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8127 * rs6000.h: from here.
8129 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8130 (rs6000_select_rtx_section): Likewise.
8131 (rs6000_encode_section_info): Likewise.
8132 (sdata_section): Likewise.
8133 (sdata2_section): Likewise.
8134 (sbss_section): Likewise.
8135 * sysv4.h (rs6000_select_section): Delete prototype.
8136 (rs6000_select_rtx_section): Likewise.
8137 (rs6000_encode_section_info): Likewise.
8138 (sdata_section): Likewise.
8139 (sdata2_section): Likewise.
8140 (sbss_section): Likewise.
8141 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8143 * sysv4.h: Delete various unnecessary #undef's and put a comment
8144 on the remaining ones.
8145 Change various comments according to coding standard.
8147 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8149 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8150 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8151 (CR0_REGNO_P) Remove.
8152 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8153 setup_incoming_varargs, mtcrf_operation, print_operand,
8154 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8155 Use the above macros.
8157 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8159 * config/rs6000/rs6000.md: Added a new alternative for each
8160 pattern that had a 'x' alternative but no 'y' alternative.
8161 Added a new split for each of the above patterns.
8163 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8165 * aix41.h (ASM_CPU_SPEC): Delete.
8166 (CPP_CPU_SPEC): Delete.
8168 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8169 (ASM_OUTPUT_LABEL): Define.
8170 (ASM_GLOBALIZE_LABEL): Define.
8171 (STRIP_NAME_ENCODING): Define.
8172 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8173 (STRIP_NAME_ENCODING): Don't define.
8174 (ASM_OUTPUT_LABEL): Don't define.
8175 (ASM_GLOBALIZE_LABEL): Don't define.
8176 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8177 names, and ASM_OUTPUT_LABEL to output labels, rather than
8179 (ASM_OUTPUT_LABEL): Define.
8180 (ASM_OUTPUT_INT): Use assemble_name.
8181 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8182 (STRIP_NAME_ENCODING): Don't undefine first.
8183 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8185 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8186 specified with 'asm' even with -fleading-underscore.
8187 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8188 (output_epilog): Likewise.
8189 (output_toc): Likewise.
8190 * tramp.asm: Handle -fleading-underscore correctly.
8192 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8194 (nonlocal_goto_receiver): Delete.
8195 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8197 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8198 (SET_ASM_OP): Define.
8199 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8201 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8204 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8205 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8207 * rs6000.h: Add 'u' to more constants.
8209 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8211 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8213 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8215 * rs6000.c (reg_or_u_cint_operand): New function.
8216 (logical_operand): Handle 64-bit hosts.
8217 (logical_u_operand): New function.
8218 (non_logical_cint_operand): Handle 64-bit hosts.
8219 (non_logical_u_cint_operand): New function.
8220 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8221 (PREDICATE_CODES): Define new functions.
8222 * rs6000-protos.h: Declare new functions.
8223 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8224 (movdi_64): Bracket code intended for 64-bit hosts. Create
8225 CONST_DOUBLE for 32-bit values.
8226 (scc insns): Generate DImode compares.
8227 (mfcr insns): Create DImode versions.
8228 (sge matchers): New patterns.
8230 2000-02-15 Gabriel Paubert <paubert@iram.es>
8232 * rs6000.md: Correct instructions length attributes and
8233 constraints on unsigned compare instructions.
8234 (*ne0): Disable for PowerPC64.
8236 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8238 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8239 quantity, fix profile1.C test failure under -fPIC.
8241 * rs6000.c: Add 'u' to many constants to suppress warnings.
8242 (constant_pool_expr_1): Make static.
8243 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8244 * rs6000.h: Add 'u' to many constants to suppress warnings.
8246 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8247 for the start of the TOC, instead of LCTOC..0.
8248 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8250 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8251 (load_toc_aix_di): Use LCTOC..1.
8253 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8254 * rs6000.c (rs6000_legitimize_address): New function from
8255 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8256 symbols in the constant pool that really are TOC references.
8257 (print_operand_address): For ELF, write TOC offsets under
8258 -fPIC as subtractions in the insn.
8259 (output_toc): For ELF, define symbols in TOC as normal labels,
8261 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8262 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8263 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8264 * rs6000.md (movsi): Only use create_TOC_reference on
8265 symbols in the constant pool that really are TOC references.
8267 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8268 * rs6000.c (rs6000_reorg): Delete.
8269 * rs6000-protos.h (rs6000_reorg): Delete.
8271 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8273 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8275 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8276 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8277 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8278 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8279 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8280 rs6000_aix_emit_builtin_unwind_init.
8281 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8282 rs6000_emit_eh_toc_restore on AIX.
8283 (return_eh_si): Use r2.
8284 (return_eh_di): Use r2.
8286 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8287 since we're breaking binary compatibility anyway.
8289 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8291 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8292 constant_pool_expr_p): Declare them.
8293 (constant_pool_expr_p): Declare it.
8294 * config/rs6000/rs6000.c (toc_label_name): Define.
8295 (rs6000_override_options): Set toc_label_name.
8296 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8297 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8298 uses_TOC): New functions.
8299 (print_operand): Delete old '*' case.
8300 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8301 and strip off rtl for TOC before calling output_addr_const.
8302 (rs6000_emit_load_toc_table): Use toc_label_name.
8303 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8305 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8306 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8307 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8308 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8309 into explicit TOC_REGISTER offsets.
8310 (TOC_REGISTER): New macro.
8311 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8312 TARGET_TOC to reference TOC_REGISTER.
8313 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8314 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8315 uses_TOC before emitting label references.
8317 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8319 * rs6000.md (stack_tie): Fix warning.
8321 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8322 to handle -fleading-underscore.
8323 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8324 (USER_LABEL_PREFIX): New macro.
8325 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8326 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8327 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8328 call-linux can use the same multilibs.
8329 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8330 and call-linux multilibs. Do multilib with -fleading-underscore.
8331 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8332 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8335 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8336 have MASK_SOFT_FLOAT set.
8337 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8338 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8339 CPP_FLOAT_DEFAULT_SPEC.
8341 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8342 * rs6000.md: Whitespace change.
8343 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8344 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8346 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8348 * rs6000.md (eh_epilogue): New expander.
8349 (eh_reg_restore): New expand/split/insn combination.
8350 (return_eh_si): New insn.
8351 (return_eh_di): New insn.
8353 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8354 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8355 * eabi-ctors.c (__do_global_ctors): Register this object's
8356 frame. Clean up. Call atexit() after the constructors.
8357 (__do_global_dtors): Deregister this object's frame. Clean up.
8358 Allow for recursive calls to exit().
8359 * rs6000.c (fixuplabelno): New variable.
8360 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8361 TARGET_RELOCATABLE, it slows down exec() under linux.
8362 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8364 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8365 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8366 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8367 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8368 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8369 (ASM_OUTPUT_DWARF_ADDR): New macro.
8370 (ASM_OUTPUT_DWARF_DATA4): New macro.
8371 (ASM_OUTPUT_DWARF_DATA2): New macro.
8372 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8373 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8374 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8376 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8378 * rs6000.c (rs6000_sr_alias_set): New variable.
8379 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8380 (rs6000_emit_stack_tie): New function.
8381 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8382 in a way that dwarf2out can understand.
8383 (rs6000_frame_related): New function.
8384 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8385 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8386 Use rs6000_emit_stack_tie when needed.
8387 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8388 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8389 * rs6000.md (stack_tie): New insn.
8390 (return_internal_si): Allow return value to be in the count
8392 (return_internal_di): Likewise.
8394 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8396 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8398 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8400 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8402 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8404 * rs6000.md (stmw): Use the right POWER opcode.
8407 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8409 * rs6000-protos.h: New file.
8411 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8413 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8416 * sysv4.h: Likewise.
8418 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8420 * ../../configure.in: Delete powerpcle-*-winnt*
8421 and powerpcle-*-pe|powerpcle-*-cygwin*.
8422 * ../../configure: Regenerated.
8424 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8425 (TARGET_WINDOWS_NT): Delete.
8427 (CALL_NT_DLLIMPORT): Delete.
8428 Delete NT-specific code.
8429 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8432 * nt-ci.asm: Delete.
8433 * nt-cn.asm: Delete.
8434 * ntstack.asm: Delete.
8436 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8438 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8439 (ASM_FILE_START): Likewise.
8440 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8441 (ASM_OUTPUT_LABELREF): Likewise.
8442 (ASM_OUTPUT_SKIP): Likewise.
8443 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8444 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8445 (ASM_OUTPUT_CASE_LABEL): Likewise.
8446 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8447 (ASM_OUTPUT_ASCII): Likewise.
8449 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8451 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8452 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8453 increment rs6000_pic_labelno here.
8454 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8455 and increment rs6000_pic_labelno here.
8457 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8459 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8460 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8461 allocation knows (reg) is dead before the insn.
8463 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8465 * rs6000.md (movsi_to_cr): Correct typo in output template.
8467 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8469 * rs6000.c (rs6000_pic_labelno): Always define.
8470 (rs6000_pic_func_labelno): Delete.
8471 (lmw_operation): Check for a zero base register,
8472 which doesn't mean what we want.
8473 (stmw_operation): New function.
8474 (print_operand): Define new 'l' modifier.
8475 (rs6000_stack_info): We must save all 64 bits of the registers
8476 if TARGET_POWERPC64.
8477 (rs6000_output_load_toc_table): Delete.
8478 (rs6000_emit_load_toc_table): New function.
8479 (rs6000_allocate_stack_space): Delete.
8480 (rs6000_emit_allocate_stack): New function.
8481 (rs6000_emit_prologue): New function.
8482 (output_prolog): Use rs6000_emit_prologue.
8483 (rs6000_emit_epilogue): Change a few variable names to be
8484 more accurate. Restore all 64 bits of the registers if
8485 TARGET_POWERPC64. Only restore the FP registers which were used
8486 if they are being saved/restored one-at-a-time.
8487 (output_mi_thunk): Delete inefficient code generation.
8488 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8489 * rs6000.h: Declare rs6000_emit_load_toc_table,
8490 rs6000_allocate_stack_space, stmw_operation. Don't declare
8491 rs6000_output_load_toc_table.
8492 * rs6000.md (elf_high): Allow register 0, but discourage it
8494 (elf_low): Support loading into register 0.
8495 (load_toc_aix_si): New pattern.
8496 (load_toc_aix_di): New pattern.
8497 (load_toc_v4_pic_si): New pattern.
8498 (load_toc_v4_pic_di): New pattern.
8499 (load_toc_v4_PIC_1): New pattern.
8500 (load_toc_v4_PIC_1b): New pattern.
8501 (load_toc_v4_PIC_2): New pattern.
8502 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8503 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8504 (prologue): New expander.
8505 (movesi_from_cr): New pattern.
8506 (stmw): New pattern.
8507 (save_fpregs_si): New pattern.
8508 (save_fpregs_di): New pattern.
8510 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8512 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8517 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8519 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8521 (movsi_got_internal): Likewise.
8522 (movsi_got_internal+1): Likewise.
8523 (set_sp): 'unspec 7' does a SImode clobber.
8525 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8527 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8528 allocate a stack temporary.
8529 (floatsidf2_internal): Likewise.
8530 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8532 (floatunssidf2): Don't use the fpmem "register", just
8533 allocate a stack temporary.
8534 (floatunssidf2_internal): Likewise.
8535 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8537 (floatsidf2_loadaddr): Delete.
8538 (floatsidf2_store1): Delete.
8539 (floatsidf2_store2): Delete.
8540 (floatsidf2_load): Delete.
8541 (fix_truncdfsi2): Don't use the fpmem "register", just
8542 allocate a stack temporary.
8543 (fix_truncdfsi2_internal_si): Delete.
8544 (fix_truncdfsi2_internal_di): Delete.
8545 (fix_truncdfsi2_internal): New insn.
8546 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8547 (fix_truncdfsi2_store): Delete.
8548 (fix_truncdfsi2_load): Delete.
8549 (fctiwz): Produce gen_fctiwz.
8551 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8553 * eabi.h (INVOKE__main): Define.
8554 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8556 (rs6000_emit_prologue): Likewise.
8557 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8558 this is the main program.
8560 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8562 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8564 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8566 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8567 goes after the argument.
8569 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8571 * rs6000.md: Document 'unspec' values used.
8572 (epilogue): New expander.
8573 (movesi_to_cr_one): New expander.
8574 (movesi_to_cr and following): New pattern.
8576 (return_internal_si): New pattern.
8577 (return_internal_di): New pattern.
8578 (return_and_restore_fpregs_si): New pattern.
8579 (return_and_restore_fpregs_di): New pattern.
8580 * rs6000.h: Declare new functions.
8581 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8582 rather than rs6000_calls_p.
8583 (rs6000_makes_calls): Delete.
8584 (lmw_operation): New function.
8585 (mtcrf_operation): New function.
8586 (rs6000_emit_epilogue): New function.
8587 (output_epilog): Call rs6000_emit_epilogue and final if
8588 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8590 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8592 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8593 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8594 * aix.h (SUBTARGET_SWITCHES): Document switches.
8595 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8596 sched-prolog and sched-epilog the same. Document all the
8598 (TARGET_OPTIONS): No longer allow -mdebug-.
8600 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8602 * rs6000.h (ASM_FILE_END): Move to aix.h.
8603 (EXTRA_SECTIONS): Move to aix.h.
8604 (READONLY_DATA_SECTION): Move to aix.h.
8605 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8606 (SELECT_SECTION): Move to aix.h.
8607 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8608 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8609 (LINK_REGISTER_REGNUM): New definition.
8610 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8611 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8613 * sysv4.h: Delete the code between the inclusion of rs6000.h
8615 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8616 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8617 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8618 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8619 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8620 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8621 (fix_truncdfsi2_internal_di): New pattern.
8622 (fix_truncdfsi2_store): The second arg here is Pmode too.
8623 (fix_truncdfsi2_load): The second arg here is Pmode too.
8624 (tablejumpdi): Now that switch tables hold only SImode values,
8625 gcc needs to know how to add them to the pc which is DImode.
8626 * rs6000.c (rs6000_stack_info): Use symbolic name for
8627 LINK_REGISTER_REGNUM.
8628 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8629 (output_toc): Delete unused variables s1 and s2.
8630 (output_ascii): Use fputs not fprintf on a variable string.
8632 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8634 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8635 * aix43.h: Revert Aug 2 change.
8636 (HAS_INIT_SECTION): Define, not visible yet.
8637 (LD_INIT_SWITCH): Define, not visible yet.
8638 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8640 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8642 * config/rs6000/rtems.h: Include config/rtems.h.
8644 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8646 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8647 (SLOW_UNALIGNED_ACCESS): Define.
8648 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8649 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8650 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8651 (toc_section): Likewise and .toc pseudo-op.
8652 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8654 (TEXT_SECTION_ASM_OP): Likewise.
8655 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8658 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8660 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8661 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8664 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8666 * rs6000.h: Move more stuff from here...
8668 * sysv4.h: Cleanup accordingly.
8669 * netware.h: Likewise
8671 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8673 * rs6000.h: Continue cleanup.
8676 * netware.h: Likewise.
8678 * sysv4.h: Likewise.
8679 * win-nt.h: Likewise.
8681 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8682 (TARGET_OPTIONS): Likewise.
8684 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8685 (SUBTARGET_OPTIONS): Likewise.
8687 * rs6000.md: Fix compile time warnings.
8689 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8691 vxworks patches from the Cygnus tree originally by
8692 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8693 <vmakarov@cygnus.com>.
8694 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8695 (ENDFILE_SPEC): Likewise.
8696 (LIB_VXWORKS_SPEC): New macro.
8697 (STARTFILE_VXWORKS_SPEC): New macro.
8698 (ENDFILE_VXWORKS_SPEC): New macro.
8699 (LINK_START_VXWORKS_SPEC): New macro.
8700 (LINK_OS_VXWORKS_SPEC): New macro.
8701 (CPP_OS_VXWORKS_SPEC): New macro.
8702 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8703 * vxppc.h: Rewrite to use proper configuration method.
8704 * vxppcle.h: New file.
8705 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8706 * ../../configure: Rebuilt.
8708 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8710 Lots of changes to rs6000.h, sysv4.h, aix.h,
8711 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8712 with the aim that rs6000.h is the first header
8713 included and the others override it.
8716 * x-aix41-gld: Remove.
8718 * x-aix41: Remove target-specific switches, and don't specify
8719 -Wl,-bbigtoc as we don't need it any more.
8720 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8721 Use t-aix43 for AIX 4.3 and above.
8722 * ../../configure: Regenerated.
8724 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8725 options, that don't do anything yet.
8726 (MASK_SCHED_PROLOG): New macro.
8727 (MASK_SCHED_EPILOG): New macro.
8728 (TARGET_SCHED_PROLOG): New macro.
8729 (TARGET_SCHED_EPILOG): New macro.
8731 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8733 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8734 one per translation unit, not one per function.
8735 (output_toc): Also do duplicate constant elimination
8736 for per-translation-unit TOCs.
8738 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8739 a comment explaining _exactly_ when this pattern gets used.
8740 (builtin_setjmp_receiver): New pattern for better clarity.
8741 (init_v4_pic): Move it into a section dealing with TOC registers.
8743 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8745 * rs6000.c (toc_hash_table): New variable.
8746 (rs6000_hash_constant): New function.
8747 (toc_hash_function): New function.
8748 (toc_hash_eq): New function.
8749 (toc_hash_mark_entry): New function.
8750 (toc_hash_mark_table): New function.
8751 (output_toc): Don't output duplicate TOC entries in
8753 (rs6000_add_gc_roots): Add the hash table as a GC root.
8754 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8755 where they clearly shouldn't be. This may need to be fixed
8756 later when there is a GNU ar for AIX.
8757 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8758 Don't define BOOT_LDFLAGS as it is now not necessary.
8760 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8762 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8763 for va_list on AIX. Use unsigned_char_type_node rather than
8764 constructing our own version on svr4.
8766 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8768 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8769 since patently it's not.
8771 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8773 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8774 define_expand/define_insn pair, and handle restore of the
8775 SVR4 -fpic register.
8777 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8779 * acconfig.h (HAVE_GAS_WEAK): New define.
8780 * configure.in (assembler weak support): Check for .weak support.
8781 * config.in, configure: Rebuilt.
8782 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8783 HAVE_GAS_WEAK is defined.
8785 2000-03-15 Nick Clifton <nickc@cygnus.com>
8787 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8790 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8792 * cppfiles.c (open_include_file): New function.
8793 (find_include_file, cpp_read_file): Use it.
8795 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8797 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8799 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8801 * flow.c (verify_flow_info): Check for unconditional return.
8803 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8805 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8806 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8807 (__ia64_restore_stack_nonlocal): New.
8808 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8810 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8812 * cpphash.c (collect_formal_parameters): Do not complain about
8813 parameter names that just start with `__VA_ARGS__'.
8815 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8817 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8818 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8819 * i386.c (pentiumpro_cost): Set mul cost to 4.
8820 (x86_use_movx): Set for PPro.
8822 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8824 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8825 STACK_BOUNDARY for empty frames now.
8827 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8829 * stor-layout.c (layout_union): Remove.
8830 (layout_union_field): New function, split out from layout_union.
8831 (finish_union_layout): Likewise.
8832 (layout_field): Handle unions by calling layout_union_field.
8833 (finish_record_layout): Handle unions.
8834 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8835 QUAL_UNION_TYPE handling.
8837 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8839 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8840 end of basic block is jump_insn, not barrier; use create_basic_block
8841 instead of creating basic block by hand.
8843 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8845 * flow.c (reorder_basic_blocks): Account for barriers when writing
8846 over NEXT_INSN (last_bb->end).
8847 (verify_flow_info): Add check for missing barriers.
8849 2000-03-14 Greg McGary <gkm@gnu.org>
8851 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8852 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8853 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8854 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8855 __unbounded, __unbounded__): New keywords.
8856 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8857 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8858 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8860 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8862 * cselib.h: New file.
8863 * alias.c: Include "cselib.h".
8864 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8865 MEMs as two new arguments.
8866 (get_addr): New static function.
8867 (find_base_term): Handle VALUEs.
8868 (memrefs_conflict_p): Likewise.
8869 (true_dependence): Call get_addr on the addresses.
8870 Call fixed_scalar_and_varying_struct_p with addresses that have been
8871 passed through get_addr and canon_rtx.
8872 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8873 with true_dependence.
8874 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8875 * loop.c: Include "cselib.h".
8876 (load_mems): Process extended basic block that enters the loop with
8877 cselib. Use that information to change initialization of the shadow
8878 register so that a constant equivalence is seen by later passes.
8879 * reload1.c: Include "cselib.h".
8880 (reload_cse_invalidate_regno): Delete function.
8881 (reload_cse_mem_conflict_p): Likewise.
8882 (reload_cse_invalidate_mem): Likewise.
8883 (reload_cse_invalidate_rtx): Likewise.
8884 (reload_cse_regno_equal_p): Likewise.
8885 (reload_cse_check_clobber): Likewise.
8886 (reload_cse_record_set): Likewise.
8887 (reg_values): Delete static variable.
8888 (invalidate_regno_rtx): Likewise.
8889 (reload_cse_delete_noop_set): New static function.
8890 (reload_cse_simplify): New static function, broken out of
8892 (reload_cse_noop_set_p): Delete unused argument INSN.
8893 Just call rtx_equal_for_cselib_p on set source and destination.
8894 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8895 reload_cse_delete_noop_set. Delete code to keep track of values; use
8896 cselib functions instead. Delete code to push/pop obstacks.
8897 (reload_cse_simplify_set): Use cselib to find equivalent values.
8898 Delete code to push/pop obstacks.
8899 (reload_cse_simplify_operands): Likewise.
8900 * rtl.def (VALUE): New rtx code.
8901 * rtl.h (union rtunion_def): New elt rt_cselib.
8902 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8903 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8904 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8905 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8906 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8907 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8908 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8909 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8910 cselib_record_set, cselib_record_sets): New static functions.
8911 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8912 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8913 references_value_p): New functions.
8914 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8915 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8916 n_useless_values, reg_values, callmem, cselib_obstack,
8917 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8918 New static variables.
8919 * varray.h (union varray_data_tag): New elt te.
8920 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8921 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8924 2000-03-14 Nick Clifton <nickc@cygnus.com>
8926 * gcc.c (do_spec_1): Catch the case where %* is used in a
8927 substitution pattern, but it has not been initialised.
8928 Issue a meaningful error message if an unrecognised operator
8929 is encountered in a spec string.
8931 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8933 * function.c (prepare_function_start): Correctly initialize
8934 cfun->stack_alignment_needed.
8936 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8938 * cppfiles.c (find_include_file): Don't assume nshort is a
8941 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8943 * configure.in (hppa configurations): Add pa32-regs.h to the
8944 list of tm files as appropriate.
8945 * configure: Rebuilt.
8946 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8948 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8949 (fmpyaddoperands, fmpysuboperands): Likewise.
8950 * pa.h: Remove various definitions which depend on knowing
8951 how registers are numbered.
8952 * pa32-regs.h: New file with PA32 register numbering specific
8955 2000-03-14 Richard Henderson <rth@cygnus.com>
8957 * regmove.c (combine_stack_adjustments): New.
8958 (stack_memref_p, single_set_for_csa): New.
8959 (free_csa_memlist, record_one_stack_memref): New.
8960 (try_apply_stack_adjustment): New.
8961 (combine_stack_adjustments_for_block): New.
8962 * rtl.h (combine_stack_adjustments): Declare.
8963 * toplev.c (rest_of_compilation): Call it.
8965 * i386.md: Revert 2000-01-16 change.
8967 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8969 * gccbug.in: Add web category, gcc specific classes.
8971 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8973 * stor-layout.c (finalize_record_size): Fix typo.
8975 2000-03-14 Stan Shebs <shebs@apple.com>
8977 * c-typeck.c (c_alignof): Error on incomplete types.
8978 * extend.texi (Alignment): Document this.
8980 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
8982 * cppfiles.c: Include mkdeps.h.
8983 (find_include_file, read_include_file): Remove _cpp_ prefix
8984 from name, make static.
8985 (_cpp_execute_include): New function, broken out of
8988 * cpplib.c: Don't include mkdeps.h.
8989 (struct directive): Remove type field. Reorder entries. The
8990 function takes only one argument.
8991 (struct if_stack): Make type field an int.
8992 (directive_table): Rename to dtable. Generate it, the
8993 prototypes of the directive handlers, and the enum for the
8994 directive numbers, from a template macro.
8995 (do_ifndef, do_include_next, do_import): New functions.
8996 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
8997 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
8998 do_ident, do_assert, do_unassert, do_sccs): Take only one
9000 (do_sccs): Define always, but alter behavior based on
9002 (_cpp_handle_directive, consider_directive_while_skipping):
9003 Restructure for new directive table layout.
9005 (pass_thru_directive): Take a directive number, not a pointer
9006 to a struct directive.
9007 (parse_include): New function, broken out of do_include.
9008 (do_include, do_import, do_include_next): Use parse_include
9009 and _cpp_execute_include.
9010 (do_elif, do_else): Test for T_ELSE specifically when checking
9011 for #elif/#else after #else.
9012 (parse_ifdef): New function, broken out of do_ifdef.
9013 (validate_else): Expect a name arg without a leading #.
9014 (if_directive_name): Delete.
9015 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9016 directive handlers with only one argument.
9018 * cpphash.h: Update prototypes.
9019 (enum node_type): Remove entries for directives.
9020 * Makefile.in: Update dependencies.
9022 * cpphash.c (dump_hash_helper): Only dump nodes of type
9023 T_MACRO. Emit a newline after each definition.
9025 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9027 * gccbug.in: New file.
9028 * configure.in (all_outputs): Add gccbug.
9029 * Makefile.in (install-common): Install gccbug.
9030 (GCCBUG_INSTALL_NAME): New variable.
9031 * configure: Rebuilt.
9033 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9035 * function.c (put_var_into_stack): Use type_for_mode to calculate
9036 part_type. Use MEM_SET_IN_STRUCT_P.
9037 * expr.c (store_field): Handle CONCAT.
9038 (store_constructor): Use fields_length.
9039 * tree.c (fields_length): New fn.
9040 * tree.h: Declare it.
9042 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9044 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9045 (cpplex.o): New target.
9046 * po/POTFILES.in: Add cpplex.c.
9048 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9049 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9050 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9051 skip_block_comment, skip_line_comment, skip_comment,
9052 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9053 _cpp_parse_name, skip_string, parse_string,
9054 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9055 _cpp_get_directive_token, find_position,
9056 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9057 (maybe_macroexpand, _cpp_lex_token): New functions.
9059 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9060 parse_goto_mark): Delete.
9061 (_cpp_handle_eof): New function.
9062 (_cpp_handle_directive): Rename from handle_directive.
9063 (_cpp_output_line_command): Rename from output_line_command.
9064 (do_if, do_elif): Call _cpp_parse_expr directly.
9065 * cppfiles.c (_cpp_read_include_file): Don't call
9066 init_input_buffer here.
9067 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9068 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9069 here; pop the token_buffer and skip the rest of the line here.
9070 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9073 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9075 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9076 CPP_GOTO_MARK): New macros.
9077 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9078 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9079 _cpp_read_and_prescan, _cpp_init_input_buffer,
9080 _cpp_grow_token_buffer, _cpp_get_directive_token,
9081 _cpp_handle_directive, _cpp_handle_eof,
9082 _cpp_output_line_command): Prototype them here.
9083 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9084 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9085 quote_string, output_line_command): Remove.
9087 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9089 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9090 whether it is too large we must also verify that it isn't negative.
9092 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9094 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9095 (movsi_zero_liveg0): Remove.
9096 (movsf_insn_novis_liveg0): Remove.
9098 (negsi2_not_liveg0): Rename to negsi2.
9099 (one_cmplsi2): Remove.
9100 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9101 (one_cmplsi2_liveg0): Remove.
9102 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9103 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9104 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9105 (PREDICATE_CODES): Remove zero_operand.
9106 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9107 TARGET_BROKEN_SAVERESTORE.
9108 (zero_operand): Remove.
9109 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9110 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9112 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9113 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9114 TARGET_BROKEN_SAVERESTORE): Remove.
9115 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9117 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9119 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9122 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9124 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9126 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9127 truncating a string. Don't assume tokens are nul terminated.
9128 Problem noted by Andreas Jaeger <aj@suse.de>
9130 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9132 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9133 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9134 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9136 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9138 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9139 STRUCTURE_SIZE_BOUNDARY.
9141 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9143 * tree.h (record_layout_info_s): New structure.
9144 (record_layout_info): New type.
9145 (new_record_layout_info): New function.
9146 (layout_field): Likewise.
9147 (finish_record_layout): Likewise.
9148 * stor-layout.c (layout_record): Remove.
9149 (new_record_layout_info): New function.
9150 (layout_field): New function, broken out from layout_record.
9151 (finalize_record_size): Likewise.
9152 (compute_record_mode): Likewise.
9153 (finalize_type_size): New function, broken out from layout_type.
9154 (finish_record_layout): Likewise.
9155 (layout_type): Use them.
9157 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9159 * cpphash.c: Don't include version.h.
9160 (special_symbol) [case T_VERSION]: Look for the string in
9161 hp->value.cpval; don't use version_string.
9162 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9163 __VERSION__ to version_string.
9164 * Makefile.in (cpphash.o): Update deps.
9166 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9168 Convert cpplib to use libiberty/hashtab.c.
9170 * cpplib.h (struct cpp_reader): Make hashtab and
9171 all_include_files of type 'struct htab *'. Delete HASHSIZE
9172 and ALL_INCLUDE_HASHSIZE macros.
9174 * cpphash.h: Update prototypes.
9175 (struct hashnode): Remove next, prev, and bucket_hdr members.
9176 Make length a size_t. Add hash member.
9177 (struct ihash): Remove next member. Add hash member. Make
9178 name a flexible array member.
9180 * cppfiles.c: Include hashtab.h.
9181 (include_hash): Delete.
9182 (IHASHSIZE): New macro.
9183 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9184 (cpp_included): Do the hash lookup here.
9185 (_cpp_find_include_file): Rewrite.
9186 (cpp_read_file): Put the "fake" hash entry into the hash
9187 table. Honor the control_macro, if it turns out we've seen
9188 the file before. Don't push the buffer here.
9189 (_cpp_read_include_file): Push the buffer here.
9190 (OMODES): New macro. Use it whenever we call open(2).
9192 * cpphash.c: Include hashtab.h.
9193 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9194 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9195 _cpp_lookup_slot): New functions.
9196 (HASHSIZE): new macro.
9197 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9198 (_cpp_lookup): Use hashtab.h routines.
9200 * cppinit.c: Include hashtab.h.
9201 (cpp_reader_init): Call _cpp_init_macro_hash and
9202 _cpp_init_include_hash. Don't allocate hashtab directly.
9203 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9204 pfile->all_include_files.
9205 (initialize_builtins): Use _cpp_make_hashnode and
9206 htab_find_slot to add hash entries.
9207 (cpp_finish): Just call _cpp_dump_macro_hash.
9208 * cpplib.c: Include hashtab.h.
9209 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9210 create hash entries.
9211 (do_pragma_poison, do_assert): Likewise.
9212 (do_include): Don't push the buffer here. Don't increment
9213 system_include_depth unless _cpp_read_include_file succeeds.
9214 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9216 (do_pragma_implementation): Use alloca to create copy.
9218 * Makefile.in: Update dependencies.
9220 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9222 * cppinit.c (cl_directive_handler): More K&R fixing.
9224 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9226 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9228 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9230 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9232 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9233 Change from char[] to macros.
9235 2000-03-12 Neil Booth <NeilB@earthling.net>
9237 * cppinit.c (cpp_start_read): Update indirect function
9240 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9242 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9245 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9246 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9248 2000-03-11 Neil Booth <NeilB@earthling.net>
9250 * cppinit.c (struct pending option): Replace undef with a
9251 pointer to a directive handling routine.
9252 (struct cpp_pending): Replace separate assert_ and define_
9253 lists with one directive_ list.
9254 (new_pending_define): Rename new_pending_directive. Extra
9255 argument is the directive's handling routine.
9256 (handle_option): Update to use new_pending_directive.
9258 2000-03-11 Neil Booth <NeilB@earthling.net>
9260 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9261 remap_filename, _cpp_read_include_file, actual_directory,
9262 hack_vms_include_specification): Replace bcopy(), index() etc
9263 calls. Add casts to some allocations. Make some variables
9264 pointers to const [unsigned] char.
9265 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9266 collect_formal_parameters): Similarly.
9267 * cppinit.c (struct pending_option, append_include_chain,
9268 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9269 cpp_start_read, new_pending_define, handle_option): Similarly.
9270 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9271 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9272 do_pragma_implementation, detect_if_not_defined,
9273 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9274 do_assert, do_unassert): Similarly.
9275 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9276 function prototypes.
9277 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9279 2000-03-10 Richard Henderson <rth@cygnus.com>
9281 * builtins.c (expand_builtin_strlen): Revert last change.
9282 Use emit_insn_before if we're at the beginning of a sequence.
9284 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9286 * builtins.c (expand_builtin_strlen): Make sure that we have something
9287 at the beginning of the sequence.
9289 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9292 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9294 2000-03-10 Richard Henderson <rth@cygnus.com>
9296 * except.c (can_throw): Use INTVAL on a CONST_INT.
9297 (reachable_handlers): Likewise.
9298 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9300 2000-03-10 Andreas Jaeger <aj@suse.de>
9302 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9303 MD_STARTFILE_PREFIX since those are not needed on linux.
9304 (ASM_FILE_START): New, from mips/gnu.h.
9306 2000-03-09 Richard Henderson <rth@cygnus.com>
9307 Alex Samuel <samuel@codesourcery.com> and others
9309 * Makefile.in (ssa.o): New rule.
9311 (STAGESTUFF): Add *.ssa and *.ussa.
9312 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9313 * rtl.def (PHI): New RTL expression.
9314 * rtl.h (clear_log_links): New declaration.
9315 (convert_to_ssa): Likewise.
9316 (convert_from_ssa): Likewise.
9317 * flow.c (split_edge): If the entry node falls through to the
9318 split edge's source block, split the entry edge.
9319 (clear_log_links): New function.
9320 * toplev.c (ssa_dump): New variable.
9321 (flag_ssa): Likewise.
9322 (f_options): Add "ssa".
9323 (compile_file): Create SSA dump files.
9324 (rest_of_compilation): Go to and from SSA if enabled.
9325 (decide_d_option): Handle -de for SSA dump files.
9328 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9330 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9333 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9335 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9337 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9339 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9340 (MD_STARTFILE_PREFIX_1): New macro.
9342 2000-03-09 Robert Lipe <robertl@sco.com>
9344 * config/ia64/ia64.c: Include system.h.
9346 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9348 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9349 (init_eh_nesting_info): Likewise.
9351 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9352 (TREE_NOTHROW): Rename from TREE_RAISES.
9353 * toplev.c (rest_of_compilation): Set it.
9354 * print-tree.c (print_node): Adjust.
9355 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9356 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9357 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9358 REG_EH_REGION note as appropriate.
9359 (libfunc_nothrow): New fn.
9360 (emit_library_call, emit_library_call_value): Use it.
9361 (expand_call): Check TREE_NOTHROW.
9363 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9364 DECL_ASSEMBLER_NAME.
9366 2000-03-09 Andreas Jaeger <aj@suse.de>
9368 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9369 (TARGET_MEM_FUNCTIONS): Define.
9371 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9373 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9375 * except.c (can_throw): See through a SEQUENCE.
9376 (nothrow_function_p): New fn.
9377 * except.h: Declare it.
9378 * function.c (current_function_nothrow): New var.
9379 (prepare_function_start): Initialize it.
9380 * output.h: Declare it.
9381 * toplev.c (rest_of_compilation): Set it.
9382 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9384 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9386 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9387 match. (cpp_compare_defs): Count the nul separator when
9388 advancing over argument names.
9390 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9392 * recog.c (preprocess_constraints): Matching constraints affect
9393 same alternative/different operand, not same operand/different
9396 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9397 register and a constant specially.
9399 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9401 * libgcc2.h: New file.
9402 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9404 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9406 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9407 * configure: Regenerate.
9410 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9412 * Makefile.in (LIBCPP_DEPS): New macro.
9413 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9415 * cpperror.c: Include cpphash.h.
9416 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9418 (lex): Don't use CPP_WARN_UNDEF.
9419 (_cpp_parse_expr): Return an int, the truth value.
9420 * cppfiles.c: Include cpphash.h.
9421 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9422 * cppinit.c (include_defaults_array): Disentangle.
9423 (cpp_cleanup): Don't free the if stack here.
9424 (cpp_finish): Pop off all buffers, not just one.
9425 * cpplib.c (eval_if_expr): Return int.
9426 (do_xifdef): Rename do_ifdef.
9427 (handle_directive): Don't use CPP_PREPROCESSED.
9428 (cpp_get_token): Don't use CPP_C89.
9429 * fix-header.c: Don't use CPP_OPTIONS.
9431 * cpplib.h: Move U_CHAR, enum node_type, struct
9432 file_name_list, struct ihash, is_idchar, is_idstart,
9433 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9434 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9435 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9436 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9437 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9438 of _cpp_simplify_pathname, _cpp_find_include_file,
9439 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9440 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9442 Change all uses of U_CHAR to be unsigned char instead.
9443 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9445 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9447 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9448 (dwarf2out_begin_prologue): Set it.
9449 (output_call_frame_info): Don't emit EH unwind info for leaves.
9451 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9452 can occur outside of an EH region.
9453 * except.c: Correct comments about rethrow behavior.
9454 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9456 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9458 * flow.c (make_edges): Always call make_eh_edge for calls.
9460 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9462 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9463 (struct cpp_buffer): Remove fname and underflow fields.
9464 (struct cpp_reader): Remove get_token field.
9465 (struct include_hash): Rename to struct ihash. Add typedef to
9467 (struct if_stack): Remove fname field.
9468 (IF_STACK_FRAME): Rename to IF_STACK.
9470 * cpperror.c (print_containing_files): Trust that there are no
9471 macro buffers below the top file buffer.
9472 * cppfiles.c: Replace all references to 'struct include_hash'
9473 with 'IHASH'. Rename initialize_input_buffer to
9474 init_input_buffer. Don't set or reference cpp_buffer->fname,
9475 use buffer->ihash->name instead.
9476 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9477 not CPP_NULL_BUFFER.
9478 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9479 IF_STACK_FRAME, IHASH not struct include_hash.
9480 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9481 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9482 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9483 references to cpp_buffer->fname (delete entirely, or use
9484 ->ihash->name instead) and IF_STACK->fname.
9485 (cpp_push_buffer): Don't set new->underflow.
9486 (do_include): Use cpp_file_buffer.
9488 * cpphash.c (collect_formal_parameters): Remove duplicate
9489 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9490 used as a macro argument name. Don't append "..." to namebuf
9491 for varargs macros. After we're done scanning, go through
9492 namebuf and make it NUL separated, not comma separated.
9493 (_cpp_compare_defs): Remove register tag from variables.
9494 Expect defn->argnames to be NUL separated.
9495 (_cpp_dump_definition): Expect defn->argnames to be NUL
9496 separated and in forward order.
9497 * cpphash.h: Update documentation of argnames field.
9499 2000-03-08 Richard Henderson <rth@cygnus.com>
9501 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9502 to fail. Don't pre-expand the source operand.
9504 * i386.md (strlensi): Initialize eoschar and align before use.
9506 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9508 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9509 CONSTRUCTOR element.
9511 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9513 * mips.c (mips_expand_prologue): If the last
9514 named argument is the vararg marker "va_list", treat it as
9515 an unnamed argument.
9517 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9519 * dbxout.c (dbxout_parms): When correcting for promoted
9520 big-endian parameters, use the mode of the DECL_RTL rather
9521 than UNITS_PER_WORD.
9523 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9525 * c-common.h (make_fname_decl): Declare.
9526 * c-common.c (make_fname_decl): Define.
9527 (declare_hidden_char_array): Remove.
9528 (declare_function_name): Use make_fname_decl.
9529 * c-decl.c (c_make_fname_decl): New function.
9530 (init_decl_processing): Set make_fname_decl.
9532 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9534 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9536 2000-03-07 Philipp Thomas <pthomas@suse.de>
9538 * po/POTFILES.in: Remove cppalloc.c from file list.
9540 2000-03-07 Steve Chamberlain <sac@pobox.com>
9542 * pj.c (pj_expand_prologue): current_function->args_info is
9543 now current_function_args_info.
9545 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9546 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9547 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9549 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9551 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9552 output as hexadecimal rather than the default octal.
9554 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9556 * cpphash.c (special_symbol): Fix thinko in previous commit.
9558 2000-03-07 Neil Booth <NeilB@earthling.net>
9560 * cppexp.c (struct operation, left_shift, right_shift,
9561 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9562 "int"s to "unsigned int"s.
9563 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9565 * cpplib.h: Update for above.
9566 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9567 returned from allocations.
9569 * cppinit.c (opt_comp, parse_options): New functions.
9570 (handle_option): Use parse_option to parse a single command
9571 line option, that possibly takes an argument.
9572 (cpp_handle_options): Sort the array of command line options on
9573 first invocation (non-ASCII hosts only).
9574 (print_help): Update.
9576 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9578 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9579 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9581 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9583 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9585 * cpperror.c (cpp_print_containing_files,
9586 cpp_print_file_and_line, v_cpp_message): Rename to
9587 print_containing_files, print_file_and_line, and v_message.
9588 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9589 to _cpp_parse_expr, parse_escape, and lex.
9590 (parse_charconst): Remove broken multibyte support.
9591 * cppfiles.c (include_hash): Make static.
9592 (cpp_included): New function.
9593 (merge_include_chains, find_include_file, finclude,
9594 simplify_pathname): Rename to _cpp_merge_include_chains,
9595 _cpp_find_include_file, _cpp_read_include_file, and
9596 _cpp_simplify_pathname.
9597 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9598 cpp_install, create_definition, macroexpand, compare_defs,
9599 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9600 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9601 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9602 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9604 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9606 * cpphash.h: Update prototypes.
9607 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9609 2000-03-07 Andrew Haley <aph@cygnus.com>
9611 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9612 PTRDIFF_TYPE should be based solely on Pmode.
9615 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9617 * rtl.h (rtunion_def): Constify member `rtstr'.
9618 (emit_line_note_after, emit_line_note, emit_line_note_force,
9619 emit_note, decode_asm_operands): Constify.
9621 * cse.c (canon_hash): Likewise.
9623 * dbxout.c (dbxout_block): Likewise.
9625 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9626 v_warning_for_asm): Likewise.
9628 * dwarfout.c (function_start_label): Likewise.
9630 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9631 emit_line_note_force): Likewise.
9633 * final.c (last_filename, asm_insn_count, final_scan_insn,
9634 output_source_line): Likewise.
9636 * function.h (struct emit_status): Likewise.
9638 * gcse.c (hash_expr_1): Likewise.
9640 * genattr.c (gen_attr, main): Likewise.
9642 * genattrtab.c (struct function_unit, current_alternative_string,
9643 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9644 attr_numeral, check_attr_test, check_attr_value,
9645 convert_set_attr_alternative, convert_set_attr,
9646 compute_alternative_mask, simplify_by_exploding, gen_attr,
9647 gen_unit): Likewise.
9649 * genflags.c (gen_insn): Likewise.
9651 * gengenrtl.c (type_from_format): Likewise.
9653 * genopinit.c (gen_insn): Likewise.
9655 * genoutput.c (n_occurrences, process_template, process_template):
9658 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9661 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9664 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9665 ggc_set_mark, ggc_get_size): Likewise.
9667 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9669 * optabs.c (init_one_libfunc): Likewise.
9671 * output.h (assemble_start_function): Likewise.
9673 * recog.c (decode_asm_operands): Likewise.
9675 * toplev.c (rest_of_compilation): Likewise.
9677 * tree.h (emit_line_note_after, emit_line_note,
9678 emit_line_note_force): Likewise.
9680 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9681 asm_emit_uninitialised, assemble_start_function,
9682 assemble_variable, const_hash, compare_constant_1,
9683 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9685 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9687 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9689 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9691 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9693 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9694 arm_dllimport_name_p): Likewise.
9696 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9699 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9701 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9703 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9704 arm_mark_dllexport, arm_mark_dllimport,
9705 arm_pe_encode_section_info): Likewise.
9707 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9708 ASM_FINISH_DECLARE_OBJECT): Likewise.
9710 * arm/thumb.c (thumb_function_prologue): Likewise.
9712 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9714 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9716 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9718 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9720 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9722 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9724 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9725 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9727 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9729 * i386/i386.c (asm_output_function_prefix): Likewise.
9731 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9733 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9735 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9737 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9738 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9739 ASM_OUTPUT_SECTION_NAME): Likewise.
9741 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9743 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9745 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9747 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9749 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9751 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9753 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9755 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9757 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9759 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9761 * mips/mips.md (movdi, movsi): Likewise.
9763 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9765 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9767 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9769 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9770 ASM_OUTPUT_ASCII): Likewise.
9772 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9773 output_mi_thunk, output_toc): Likewise.
9775 * rs6000/rs6000.md (movsi): Likewise.
9777 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9779 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9781 * v850/v850.c (print_operand, print_operand_address,
9782 v850_encode_data_area): Likewise.
9784 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9786 * config/mips/mips.md (zero_extendsidi2): Always force operand
9787 one to memory for mips16.
9789 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9791 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9792 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9793 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9794 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9795 (min_precision): Result is unsigned.
9796 (add_double, neg_double, mul_double): Low word is unsigned.
9797 (lshift_double, rshift_double, lrotate_double): Likewise.
9798 (rrotate_double, div_and_round_double): Likewise.
9799 (tree_floor_log2, compare_tree_int): New functions.
9800 (preserve_rtl_expr_temps): New declaration.
9801 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9802 (decl_attributes): Use tree_log2 to find alignment.
9803 Check for TREE_INT_CST_HIGH for format args.
9804 (min_precision): Now unsigned.
9805 Use tree_floor_log2.
9806 (truthvalue_conversion): Delete long-disabled code.
9807 * c-decl.c (finish_struct): Clean up tests on field width.
9808 (finish_function): Use compare_tree_int.
9809 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9810 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9811 (default_conversion, digest_init): Use compare_tree_int.
9812 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9813 Fix type errors in forming masks.
9814 * calls.c (initialize_argument_information): Use compare_tree_int.
9815 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9816 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9817 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9818 (store_field): Use compare_tree_int.
9819 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9820 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9821 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9822 (do_store_flag): Use compare_tree_int.
9823 * fold-const.c (encode, decode): Low part is always unsigned.
9824 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9825 (lshift_double, rshift_double, lrotate_double): Likewise.
9826 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9827 (fold_convert): Use compare_tree_int.
9828 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9829 (invert_truthvalue, case INTEGER_CST): Likewise.
9830 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9831 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9832 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9833 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9835 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9836 (expand_end_case): Use compare_tree_int.
9837 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9838 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9839 (layout_decl): Likewise.
9840 (layout_record, layout_union): Make sizes unsigned.
9841 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9842 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9843 * tree.c (struct type_hash): hashcode is unsigned.
9844 (build_type_attribute_variant, type_hash_list): Likewise.
9845 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9846 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9847 (build_complex_type): Likewise.
9848 (real_value_from_int_cst): Remove unneeded casts.
9849 (integer_all_onesp): Add casts.
9850 (tree_floor_log2, compare_tree_int): New functions.
9851 (build_index_type): Use tree_int_cst_sgn.
9852 * varasm.c (assemble_variable): Use compare_tree_int.
9854 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9856 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9858 * varasm.c (make_decl_rtl): Don't add a number to members of
9860 (make_function_rtl): Likewise.
9862 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9864 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9865 patch from 2000-01-28.
9867 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9869 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9870 filled with an insn from the jump target.
9872 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9874 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9875 (c4x_external_ref): Likewise.
9876 * config/c4x/c4x.c (struct name_list): Likewise.
9878 1999-12-16 Ben Collins <bcollins@debian.org>
9880 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9881 argument to genmultilib.
9882 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9883 the contents into the multilib.h header.
9884 * gcc.c: Declare multilib_exclusions for the specs file.
9885 (set_multilib_dir): Use it.
9886 (print_multilib_info): Likewise.
9887 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9888 to pass to genmultilib.
9890 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9892 * builtins.c (built_in_class_names, built_in_names): Constify a
9895 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9897 (_mcleanup): Ensure value matches format specifier in sprintf.
9899 * cpphash.c (special_symbol): Don't needlessly cast away
9902 * cppinit.c (base_name): Delete unused prototype.
9904 * mkdeps.c (deps_init): Make definition K&R safe.
9906 * tree.h (built_in_class_names, built_in_names): Constify a
9909 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9911 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9912 floating point instructions for epilogue delay.
9914 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9915 to gas if it supports .register pseudo.
9917 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9918 LONG_DOUBLE_TYPE_SIZE if not defined.
9919 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9920 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9922 * gengenrtl.c: Likewise.
9923 * print-rtl.c: Likewise.
9925 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9926 MASK_LONG_DOUBLE_128.
9927 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9928 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9929 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9930 (SUBTARGET_SWITCHES): Define.
9931 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9932 with -mlong-double-128.
9933 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9934 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9935 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9936 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9937 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9938 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9939 with -mlong-double-128.
9940 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9941 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9942 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9943 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9944 TARGET_LONG_DOUBLE_128): Define.
9945 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9946 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9947 long double on TARGET_ARCH64.
9949 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9951 * function.c (free_temps_for_rtl_expr): Don't free slots
9952 that have been pushed into a higher level.
9955 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9957 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9959 * basic-block.h (ALLOCA_REG_SET): Remove.
9960 (INITIALIZE_REG_SET): New macro.
9961 * flow.c (update_life_info): Use it.
9962 (calculate_global_regs_live): Likewise.
9963 (propagate_block): Likewise.
9964 * global.c (build_insn_chain): Likewise.
9965 * haifa-sched.c (schedule_region): Likewise.
9967 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9969 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9970 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9971 (DWARF_ARANGES_PAD_SIZE): New define.
9972 (output_aranges): Use it to pad the address range header.
9973 (DWARF_ROUND): Fix for non power of 2 rounding.
9975 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9977 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9979 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9981 * tree.def (RTL_EXPR): Update documentation.
9982 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
9983 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
9984 * function.c (preserve_rtl_expr_temp): New function.
9985 (preserve_rtl_expr_temps): Likewise.
9986 (preserve_rtl_expr_result): Use it.
9989 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9991 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
9993 * regmove.c (copy_src_to_dest) Do not create src->dest move
9994 for unchanging destination.
9996 2000-03-04 Mark Mitchell <mark@codesourcery.com>
9998 * function.h (struct sequence_stack): Remove rtl_expr.
9999 (struct emit_staus): Likewise.
10000 (seq_rtl_expr): Remove.
10001 * tree.h (free_temps_for_rtl_expr): Don't declare.
10002 (start_sequence_for_rtl_expr): Likewise.
10003 * rtl.h (preserve_rtl_expr_result): Likewise.
10004 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10005 (start_sequence_for_rtl_expr): Remove.
10006 (push_topmost_sequence): Don't save sequence_rtl_expr.
10007 (pop_topmost_sequence): Remove comment about not restoring it.
10008 (end_sequence): Don't set seq_rtl_expr.
10009 (init_emit): Don't initialize it.
10010 (mark_sequence_stack): Don't mark it.
10011 (mark_emit_status): Likewise.
10012 * except.c (protect_with_terminate): Use
10013 start_sequence_for_rtl_expr, not start_sequence.
10014 * expr.c (expand_expr, case RTL_EXPR): Don't call
10015 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10016 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10017 (preserve_rtl_expr_result): Remove.
10018 (free_temps_for_rtl_expr): Likewise.
10019 (pop_temp_slots): Likewise.
10020 (mark_temp_slot): Don't mark the rtl_expr.
10021 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10022 start_sequence_for_rtl_expr.
10024 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10026 * mkdeps.c, mkdeps.h: New files.
10027 * po/POTFILES.in: Add them.
10028 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10029 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10030 (mkdeps.o): New target.
10032 * cppfiles.c: Delete deps_output.
10033 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10034 OBJECT_SUFFIX, and base_name.
10035 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10037 (initialize_dependency_output): Use deps_init,
10038 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10039 all the unnecessary string bashing.
10040 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10042 * cpplib.c (do_include): Use deps_add_dep.
10043 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10044 deps_allocated_size, deps_size, deps_column members with
10045 single pointer to a struct deps. Delete prototype of
10048 * cppinit.c: Fix thinko in previous patch.
10050 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10052 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10053 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10054 (mode_for_size_tree): New function.
10055 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10056 * tree.h (mode_for_size_tree): New declaration.
10058 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10060 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10062 * stmt.c (is_body_block): Move...
10063 * dwarfout.c, dwarf2out.c: ...from here.
10064 * tree.h: Declare it.
10065 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10066 * final.c (final_start_function): Do call remove_unnecessary_notes
10069 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10071 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10073 * cpplib.h (_dollar_ok): New macro.
10074 (is_idchar, is_idstart): Use it.
10075 (IStable): Rename to _cpp_IStable. Declare it const if
10076 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10077 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10078 is_space): Update for renamed IStable.
10080 * cppinit.c: Delete all references to FAKE_CONST and CAT
10081 macros. Define init_IStable as empty macro if gcc >=2.7 or
10082 C99. Change TABLE() to ISTABLE and hardcode name of table.
10083 (cpp_start_read): Don't change the IStable based on
10086 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10087 changed. Handle '$' for char1 correctly.
10088 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10090 * cppexp.c (tokentab2): Make const.
10091 (cpp_lex): Make toktab const.
10092 * cppinit.c (include_defaults_array): Make const.
10093 (initialize_standard_includes): Make default_include const.
10095 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10097 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10098 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10099 (gen_decl_die): Likewise.
10100 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10101 (output_decl): Likewise.
10103 * varasm.c (make_function_rtl): If we change the name used in the
10104 rtl, update DECL_ASSEMBLER_NAME accordingly.
10105 (make_decl_rtl): Likewise.
10107 * toplev.c (rest_of_compilation): Tweak formatting.
10109 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10110 remove_unnecessary_notes.
10111 (debug_ignore_block): New fn.
10112 * toplev.h: Declare it.
10113 * emit-rtl.c (remove_unncessary_notes): Call it.
10114 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10115 * dwarf2out.h: Declare it.
10116 * final.c (final_start_function): Don't call remove_unnecessary_notes
10117 if we did insn scheduling.
10119 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10121 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10122 * cpplib.h: Delete SET_CPP_PEDANTIC.
10124 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10126 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10127 result is a RECORD_TYPE.
10129 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10131 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10133 2000-03-03 Richard Henderson <rth@cygnus.com>
10135 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10136 addition over compliments over shifts.
10138 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10140 * reload1.c (reload_combine_note_use): Handle return register USEs.
10141 REG case: Handle multi-hard-register hard regs.
10143 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10145 * md.texi: Document use of '*' in insn pattern name.
10147 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10149 * calls.c (special_function_p): operator new may not be malloc-like.
10151 * gcse.c (dump_hash_table): Really fix error in last change.
10153 2000-03-02 Denis Chertykov <denisc@overta.ru>
10155 * avr.c (print_operand): Use print_operand_address instead of
10157 * avr/libgcc.S: Cleanup code.
10159 2000-03-02 Richard Henderson <rth@cygnus.com>
10161 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10163 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10165 * tree.h (TYPE_ALIGN_UNIT): New macro.
10167 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10169 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10171 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10173 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10175 (SET_CPP_PEDANTIC): New macro.
10176 * cpplib.c (do_include): Don't bother checking system_header_p.
10177 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10178 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10180 * function.h (struct expr_status): Add x_arg_space_so_far.
10181 (arg_space_so_far): New macro.
10182 * expr.c (init_expr): Initialize it.
10183 * calls.c (emit_call_1): Reset it.
10184 (compute_argument_block_size, expand_call): Use it.
10185 (expand_call, store_one_arg): Increment it.
10187 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10189 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10192 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10194 * cppfiles.c (cpp_read_file): New function.
10196 * cpphash.c (collect_expansion): Make sure to reset last_token
10197 to NORM when we hit a string. Handle trailing whitespace
10198 properly when the expansion is empty.
10199 (create_definition): Disable line commands while parsing the
10201 (dump_definition): If pfile->lineno == 0, output a line
10202 command ahead of the dump, and add a trailing newline.
10204 * cppinit.c (append_include_chain): Add fifth argument, which
10205 indicates whether or not system headers are C++ aware.
10206 (initialize_standard_includes): New function,
10207 broken out of read_and_prescan. Pass 'cxx_aware' value from
10208 the include_defaults_array on to append_include_chain.
10209 (dump_special_to_buffer): Const-ify char array.
10210 (builtin_array): Don't dump __BASE_FILE__.
10211 (cpp_start_read): Use cpp_read_file. Reorder code for
10212 clarity. Don't output line commands here for -D/-A/-U
10213 switches. Don't call deps_output for files included with
10214 -include or -imacros.
10216 * cpplib.c (do_define): Don't pay any attention to the second
10218 (cpp_expand_to_buffer): Disable line commands while scanning.
10219 (output_line_command): Work in the file buffer.
10220 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10221 Fix formatting of comments. Prototype cpp_read_file.
10223 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10225 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10226 reference the language-equivalent of sizetype.
10227 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10228 * fold-const.c (size_binop, size_diffop): Put back checks.
10229 * gcse.c (dump_hash_table): Fix minor error in last change.
10230 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10231 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10234 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10236 * calls.c (expand_call) Do not attempt to combine stack adjustments
10237 with inhibit_defer_pop set.
10239 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10241 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10242 the DECL_SIZE for a FIELD_DECL.
10244 2000-03-01 Bruce Korb <bkorb@gnu.org>
10246 * fixinc/inclhack.tpl: remove unused symlinks
10247 * fixinc/README: GCC Maintainer info
10248 * fixinc/inclhack.sh: regen
10249 * fixinc/fixincl.sh: regen
10251 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10253 * cpphash.c (collect_expansion): Trim trailing white space
10254 from macro definitions, but don't go past the last insertion
10257 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10259 * i386.md (mulqi3): New pattern.
10261 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10263 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10265 (struct cpp_reader): Add parsing_if_directive and
10266 parsing_define_directive flags.
10267 (struct cpp_options): Remove output_conditionals flag.
10268 (check_macro_name): Delete prototype.
10270 * cpphash.h (struct macrodef): Delete.
10271 (struct reflist): Separate from struct definition.
10272 (struct definition): Remove unused fields. Add column number.
10273 (create_definition): Returns a DEFINITION *. Takes a
10274 cpp_reader * and an int.
10276 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10277 (PEEKC): Copy defn from cpplib.c.
10278 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10280 (struct arglist): Simplify.
10281 (collect_expansion): Rewrite. Get tokens by calling
10282 cpp_get_token. Add more error checking.
10283 (collect_formal_parameters): New function, broken out of
10284 create_definition and reworked to use get_directive_token.
10285 (create_definition): All real work is now in collect_expansion
10286 and collect_formal_parameters. do_define handles finding the
10287 macro name. Return a DEFINITION, not a MACRODEF.
10288 (macroexpand): Replace bcopy with memcpy throughout. Replace
10289 character-at-a-time copy loop with memcpy and pointer increments.
10290 (compare-defs): d1->argnames / d2->argnames might be null.
10292 * cpplib.c (copy_rest_of_line): Delete function.
10293 (skip_rest_of_line): Do all the work ourselves.
10294 (skip_string): New function.
10295 (parse_string): Use skip_string.
10296 (get_macro_name): New function.
10297 (check_macro_name): Delete.
10298 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10299 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10300 (handle_directive): ICE if we're called on a macro buffer.
10301 (do_define): Determine macro name and type (funlike/objlike)
10302 here. Expunge all uses of MACRODEF.
10303 (cpp_push_buffer): Set line_base to NULL.
10304 (do_undef, read_line_number): Don't worry about getting a POP token.
10305 (eval_if_expression): Set/reset parsing_if_directive around
10306 cpp_parse_expr. Don't clear only_seen_white.
10307 (skip_if_group): Remove output_conditionals logic. Use
10309 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10310 tokens under appropriate conditions.
10311 (cpp_unassert): Call do_unassert not do_assert. Oops.
10313 * cppexp.c (parse_defined): New function, break out of
10315 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10316 ourselves, with cpp_defined.
10317 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10319 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10320 * gcc.dg/strpaste-2.c: New.
10322 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10324 * fold-const.c (size_binop): Don't asert inputs are the same and
10325 have TYPE_IS_SIZETYPE set.
10326 (size_diffop): Likewise.
10328 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10330 * dwarfout.c (output_block): Output abstract blocks even if they
10331 don't have TREE_ASM_WRITTEN set.
10333 * calls.c (emit_library_call): Check for null REG.
10335 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10337 * c-decl.c (current_function_decl): Move to toplev.c.
10338 (init_decl_processing): Don't add current_function_decl as a ggc
10340 * dbxout.c (dbxout_symbol): Change return type to int.
10341 (dbxout_symbol_location, dbxout_syms): Likewise.
10342 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10343 any locals. Use current_function_func_begin_label if set.
10344 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10345 * dwarf2out.c (dwarf2out_begin_prologue): Set
10346 current_function_func_begin_label.
10347 * final.c (final_start_function): Reset it.
10348 * toplev.c (current_function_decl): Define it here.
10349 (current_function_func_begin_label): New variable.
10350 (main): Add both as ggc roots.
10351 * tree.h (current_function_func_begin_label): Declare.
10353 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10355 * gcse.c: Cleanups throughout: mostly white-space, but also
10356 some minor rearrangement of code.
10358 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10360 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10361 returns a PARALLEL. Use emit_group_load and use_group_regs
10363 (emit_library_call_value): Similarly.
10365 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10366 * pa/quadlib.asm: Remove.
10367 * pa/quadlib.c: New file.
10369 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10370 * configure: Rebuilt.
10372 2000-02-29 Philip Blundell <pb@futuretv.com>
10374 * config/arm/conix-elf.h: New file.
10375 * configure.in (arm*-*-conix*): New configuration.
10376 * configure: Regenerate.
10378 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10380 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10381 don't have TREE_ASM_WRITTEN set.
10383 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10385 * Eliminate DECL_FIELD_SIZE.
10386 * builtins.c (built_in_class_names, built_in_names): New variables.
10387 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10388 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10389 DECL_SIZE, not DECL_FIELD_SIZE.
10390 * print-tree.c (print_node): Remove code that prints extra blank
10391 lines in some cases.
10392 Properly handle inline and builtin function cases.
10393 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10394 * tree.h (built_in_class_named, built_in_names): New declarations.
10395 (union tree_decl): Rename internal unions to u1 and u2 and change
10396 some of their components.
10397 Add new field built_in_class.
10398 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10399 Reflect above changes.
10400 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10401 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10402 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10403 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10405 2000-02-28 Dmitri Makarov <dim@windriver.com>
10407 * extend.texi: Document ARM's support for long/short calls.
10409 * invoke.texi: Document ARM's -mlong-calls command line switch.
10411 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10412 (arm_encode_call_attribute): Add prototype.
10413 (arm_set_default_type_attribute): Add prototype.
10414 (arm_strip_name_encoding): Add prototype.
10416 * config/arm/arm.c (arm_init_cumulative_args): replace
10417 initialisation og 'long_calls' field with initialisation of
10418 'call_cookie' field.
10419 (enum arm_pragma_enum): New enum.
10420 (arm_pragma_long_calls): New static variable.
10421 (arm_process_pragma): Also process "#pragma long_calls_off".
10422 (arm_valid_type_attribute_p): Accept short_call attribute.
10423 (arm_comp_type_attributes): Check long/short call attributes.
10424 (arm_encode_call_attribute): New function: Encode long_call
10425 or short_call attribute in function name.
10426 (arm_set_default_type_attributes): New function: Assign
10427 default attributes to newly defined type.
10428 (current_file_function_operand): New function: Return true if
10429 the symbol is a function which has already been compiled.
10430 (arm_is_longcall_p): New function: Return true if the
10431 indicated function should be called via a long call.
10432 (arm_get_strip_length): New function. Returns number of
10433 prefix characters to be stripped from a function's name.
10434 (arm_strip_name_encoding): New function. Strip prefix characters
10435 from a function's name.
10437 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10438 with 'call_cookie'.
10439 (SHORT_CALL_FAG_CHAR): Define.
10440 (LONG_CALL_FAG_CHAR): Define.
10441 (ENCODED_SHORT_CALL_ATTR_P): Define.
10442 (ENCODED_LONG_CALL_ATTR_P): Define.
10443 (ARM_NAME_ENCODING_LENGTHS): Define.
10444 (STRIP_NAME_ENCODING): Define.
10445 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10446 (ARM_ENCODE_CALL_TYPE): Define.
10447 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10448 (ARM_DECLARE_FUNCTION_SIZE): Define.
10449 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10451 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10452 if a long call is needed.
10453 (call_value): Ditto.
10454 (call_symbol): Ditto.
10456 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10457 ARM_DECLARE_FUNCTION_SIZE.
10459 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10460 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10461 (ARM_STRIP_NAME_ENCODING): Undefine.
10462 (STRIP_NAME_ENCODING): Undefine.
10463 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10464 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10465 (ASM_OUTPUT_COMMON): Ditto.
10466 (ASM_DECLARE_OBJECT_NAME): Ditto.
10468 * config/arm/pe.c (arm_dllexport_name_p): Check for
10470 (arm_dllimport_name_p): Ditto.
10471 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10472 (arm_mark_dllimport): Ditto.
10474 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10476 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10478 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10480 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10482 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10484 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10485 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10486 NO_BUILTIN_WCHAR_TYPE is not defined.
10487 (CPP_WCHAR_TYPE): Delete.
10488 * cccp.c (main): Don't change wchar_type if cplusplus.
10489 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10491 2000-02-28 Nick Clifton <nickc@cygnus.com>
10493 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10495 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10497 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10498 (ASM_WEAKEN_LABEL): Define.
10500 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10502 * expr.c (store_constructor): Do not emit USE.
10503 * rtl.h (stupid_life_analysis): Remove.
10505 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10507 * function.c (number_blocks): Reset next_block_index based on
10508 what debugging format is used, not what is defined.
10510 * lcm.c: Minor reformatting throughout.
10511 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10513 * toplev.c (rest_of_compilation): Account for time in
10514 optimize_mode_switching.
10516 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10517 if only marking labels.
10519 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10521 * calls.c (expand_call): Attempt to combine stack adjustments with
10522 pending stack adjustments.
10524 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10526 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10527 to the end of the function.
10529 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10531 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10533 * final.c (next_block_index): Remove.
10534 (max_block_depth): Likewise.
10535 (pending_blocks): Likewise.
10536 (init_final): Don't initialize them.
10537 (final_start_function): Don't set next_block_index. Set up
10539 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10540 * function.h (number_blocks): New function.
10541 * function.c (get_block_vector): New function.
10542 (identify_blocks): Use it.
10543 (reorder_blocks): Set NOTE_BLOCK.
10544 (number_blocks): New function.
10545 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10546 * tree.h (BLOCK_NUMBER): New macro.
10547 (tree_block): Add block_num field.
10548 * dbxout.c (next_block_number): Remove.
10549 (dbxout_init): Don't set it.
10550 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10551 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10553 * toplev.c (rest_of_compilation): Always call
10554 find_loop_tree_blocks. Fix indentation.
10555 * dwarf2out.c (next_block_number): Remove.
10556 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10557 to determine block numbers.
10558 (gen_inlined_subroutine_die): Likewise.
10559 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10560 (decls_for_scope): Don't increment next_block_number.
10561 * dwarfout.c (next_block_number): Remove.
10562 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10563 to determine block numbers.
10564 (output_inlined_subroutine_die): Likewise.
10565 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10566 (output_decls_for_scope): Don't increment next_block_number.
10567 * sdbout.c (next_block_number): Remove.
10568 (sdbout_block): Use BLOCK_NUMBER.
10569 (sdbout_begin_block): Simplify.
10570 * xcoffout.c (next_block_number): Remove.
10571 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10572 (xcoffout_begin_block): Don't set next_block_number.
10573 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10576 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10578 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10579 (expand_builtin_strcpy): Pass correct type to size_binop.
10580 (expand_builtin_strcmp): Likewise.
10581 Clean up conditional structure.
10582 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10583 (complete_array_type): Don't use size_binop for MAXINDEX.
10584 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10585 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10586 (c_alignof): Use size_one_node.
10587 (build_unary_op): Pass arg of proper type to size_binop.
10588 (really_start_incremental_init, push_init_level): Use sizetype for
10589 constructor{,_bit,_unfilled}_index.
10590 (pop_init_label, output_init_element): Likewise.
10591 (output_pending_init_elements, process_init_element): Likewise.
10592 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10593 * expr.c (store_expr): Use size_int.
10594 (store_constructor): Use proper types for size_binop args.
10595 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10596 (expand_expr_unaligned): Likewise.
10597 (string_contant): Return object of sizetype.
10598 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10599 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10600 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10601 * fold-const.c (int_const_binop): Refine when size_int is called.
10602 (fold_convert): Likewise.
10603 (size_int_wide): Rework to take KIND as arg, only take low order
10604 bits, handle new sizetype_tab datatype, and chain entries in
10606 (size_int_type_wide): New function.
10607 (size_binop): Validate types of arguments.
10608 (ssize_binop): Deleted.
10609 (size_diffop): New function.
10610 (extract_muldiv): Only fold division into multiplication for sizetypes.
10611 * function.c (assign_parms): Use size_diffop and make sure
10612 VAR field is of ssizetype; also pass proper type to size_binop.
10613 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10614 (round_down): Deleted from here.
10615 * store-layout.c (sizetype_tab): Now an array.
10616 (sizetype_set, early_root_list): New variables.
10617 (variable_size): Use size_one_node.
10618 (round_up): Pass proper type to size_binop.
10619 (round_down): Moved to here and corrected as above.
10620 (layout_record): Pass proper arg types to size_binop.
10621 (layout_type): Likewise.
10622 If sizetype_set is zero, record the type just laid out.
10623 (make_unsigned_type): Don't call set_sizetype;
10624 (make_signed_type): Likewise; also, call fixup_signed_type.
10625 (initialize_sizetypes): New function.
10626 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10627 set name of bitsizetype to "bit_size_type".
10628 Fix up type of sizes of all types made before call.
10629 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10630 * tree.c (fix_sizetype): Deleted.
10631 (build_common_tree_nodes): Call initialize_sizetypes.
10632 (build_common_tree_nodes_2): Don't call fix_sizetype.
10633 * tree.h (TYPE_IS_SIZETYPE): New macro.
10634 (initialize_sizetype): New declaration.
10635 (enum size_type_kind): New type.
10636 (struct sizetype_tab): Deleted.
10637 (sizetype_tab): Now array; adjust sizetype macros.
10638 (size_diffop, size_int_type_wide): New functions.
10639 (size_int_wide): Change number of args and type; access macros changed.
10640 (ssize_int, sbitsize_int): New macros.
10641 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10642 (ROUND_TYPE_SIZE_UNIT): New macro.
10644 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10646 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10648 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10650 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10651 Mark as possibly unused.
10653 * cse.c (cse_insn): Delete dead code involving tablejump.
10654 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10656 * Makefile.in (libcpp.a): Start by deleting it.
10658 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10660 * cpplib.h (enum file_change_code): Added rename_file.
10661 * cpplib.c (do_line): If a filename is given, set file_change to
10663 (output_line_command): If file_change is rename_file, always
10664 output a # directive with the file name.
10666 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10668 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10670 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10671 when copying a PARM_DECL or RESULT_DECL.
10673 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10675 * fix-header.c (recognized_function): Also fix prototypes for
10676 functions taking "void".
10678 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10680 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10681 looking at reg_reloaded_contents.
10683 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10685 * Makefile.in (STMP_FIXINC): New toggle.
10686 (LIBGCC2_DEPS): Delete all references.
10687 (stmp-headers): Delete target. All references either deleted
10688 or changed to stmp-int-headers.
10689 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10690 (LIBCPP_OBJS): Take out cppalloc.o.
10691 (cppalloc.o): Delete target.
10692 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10693 (gen-protos, fix-header): Link with libiberty.a.
10694 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10697 * configure.in: Remove refs to strerror.
10698 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10699 * system.h: Take out strerror stanza.
10701 * cpperror.c (my_strerror): Delete function.
10702 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10703 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10704 * cppalloc.c: Delete file.
10705 * gen-protos.c: Don't provide xrealloc.
10707 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10708 xstrerror throughout.
10710 2000-02-26 Bruce Korb <bkorb@gnu.org>
10712 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10713 match for DOS headers, too.
10714 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10716 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10718 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10719 is right for most ELF targets.
10720 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10721 Let the default file use %U properly.
10722 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10725 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10728 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10730 * toplev.c (documented_lang_options): Correct spelling error.
10731 (decode_d_option, decode_f_option, main): Likewise.
10733 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10735 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10736 to tell assembler it is permitted to expand large constants.
10738 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10740 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10741 (aux_info_suffix): Use.
10742 (SAVE_SUFFIX): New macro.
10743 (save_suffix): Use.
10744 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10745 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10746 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10748 * invoke.texi (Running Protoize): Update documentation.
10750 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10752 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10754 2000-02-25 John Wehle (john@feith.com)
10756 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10758 2000-02-25 Anthony Green <green@cygnus.com>
10760 * toplev.c (rest_of_compilation): Rebuild jump labels if
10761 combine_instructions has created a new direct jump.
10762 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10764 (combine_instructions): Call try_combine with new argument.
10765 Return non-null value when new direct jump instruction is created.
10766 * rtl.h: combine_instructions returns an int.
10768 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10770 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10771 jump when changing a computed jump into a jump to a known
10774 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10776 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10777 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10779 * i386.md (define_expand "clrstrsi"): Fix typo.
10781 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10783 * rtl.texi: Fix typo.
10785 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10787 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10788 UNITS_PER_WORD. Change caller initial_elimination_offset.
10789 (rounded_frame_size): Take into account that argument pushed has
10790 changed. Fix TARGET_ALIGN_DOUBLE problem.
10792 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10794 * haifa-sched.c (schedule_block): Explain the real reason
10795 we delete REG_SAVE_NOTEs on the first insn of a block.
10796 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10798 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10800 * input.h (push_srcloc): New function.
10801 (pop_srcloc): Likewise.
10802 * toplev.c (push_srcloc): Define it.
10803 (pop_srcloc): Likewise.
10805 2000-02-24 Richard Henderson <rth@cygnus.com>
10807 * flow.c (life_analysis): When collecting reg info, clear
10810 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10812 Fix bug exposed by reload.c no longer rounding the frame
10813 size to BIGGEST_ALIGNMENT:
10814 * sh.c (rounded_frame_size): New function.
10815 (sh_expand_prologue, sh_expand_epilogue): Use it.
10816 (initial_elimination_offset): Likewise.
10818 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10820 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10821 * sh-protos.h (sh_need_epilogue): Declare.
10822 * sh.c (sh_need_epilogue_known): New static variable.
10823 (sh_need_epilogue): New function.
10824 (function_epilogue): Clear need_epilogue_known.
10825 * sh.md (return): Split into expander / insn pattern.
10826 Make the expander conditional on ! sh_need_epilogue ().
10828 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10830 * machmode.h (get_mode_alignment): Declare.
10831 (GET_MODE_ALIGNMENT): Call it.
10832 * stor-layout.c (get_mode_alignment): New function. Make
10833 sure alignment is always power of 2.
10835 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10837 * i386.h: Remove useless definition of "I386" and misleading
10840 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10842 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10843 under which TREE_PERMANENT will be set.
10844 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10845 build1): Use TREE_SET_PERMANENT.
10846 * print-tree.c (print_node): Don't report value of
10847 TREE_PERMANENT if ggc_p is true.
10849 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10850 decide whether to give a type a new alias set.
10851 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10852 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10853 of value of 'obstack'.
10856 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10858 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10860 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10862 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10863 * cpplib.c (cpp_get_token): Produce them.
10864 * cppexp.c (cpp_lex): Handle them.
10866 2000-02-23 Nick Clifton <nickc@cygnus.com>
10868 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10869 comment tests on type attributes.
10871 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10873 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10874 conform to documentation.
10875 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10876 to check for special cases.
10877 * sh-protos.h (sh_loop_align): Declare.
10878 * sh.c (sh_loop_align): Define.
10880 2000-02-22 Andrew Haley <aph@cygnus.com>
10882 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10883 (SIZE_TYPE): Is 32 bits when using -mgp32.
10884 (PTRDIFF_TYPE): Ditto.
10886 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10888 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10890 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10892 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10893 BIGGEST_FIELD_ALIGNMENT a constant.
10895 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10897 * dwarf2out.c (output_line_info): Put the marker for the end of
10898 the line number info at the actual end.
10899 (gen_struct_or_union_type_die): Use decl_function_context
10900 to check for local classes.
10901 * dwarfout.c (output_type): Likewise.
10903 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10905 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10906 for arguments with a mode, but no type.
10907 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10908 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10909 * pa/long_double.h: New file.
10910 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10911 both have 128bit wide long doubles.
10912 * configure: Rebuilt.
10914 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10916 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10918 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10919 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10920 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10922 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10924 * integrate.c (compare_blocks, find_block): Likewise.
10926 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10928 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10930 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10931 expand_asm_operands): Likewise.
10933 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10935 * predict.c (estimate_probability): Added the pointer heuristic to
10936 the collection of static branch predictors.
10938 2000-02-21 Catherine Moore <clm@cygnus.com>
10940 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10941 * invoke.texi (-mfix7000): Document.
10943 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10945 * diagnostic.c (init_output_buffer): Make it possible to output at
10946 least 32 characters if we're given a too long prefix.
10948 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10950 * varasm.c (initializer_constant_valid_p): Call
10951 lang_expand_constant to simplify the constant.
10953 2000-02-20 Bruce Korb <bkorb@gnu.org>
10955 * fixinc/inclhack.def(stdio_va_list):
10956 typedef needs to be disabled.
10957 * fixinc/inclhack.sh: regen
10958 * fixinc/fixincl.x: regen
10960 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10962 * print-rtl.c (print_rtx): Don't print addresses when
10963 flag_dump_unnumbered.
10965 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10967 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10969 (sparc_va_arg, sparc_flat_output_function_prologue,
10970 sparc_flat_output_function_epilogue): Cast value to unsigned in
10972 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10974 * sparc.md: Add default case in switch.
10976 2000-02-19 Richard Henderson <rth@cygnus.com>
10978 * c-typeck.c (add_pending_init): Don't abort for multiple
10979 fields at the same offset.
10980 (pending_init_member): Test the correct member.
10982 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10984 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
10986 (start_catch_handler) : Same.
10988 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
10990 * Makefile.in: Have flow.o depend on $(EXPR_H)
10992 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10994 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
10995 * c-decl.c (duplicate_decls, finish_enum): Likewise.
10996 (finish_decl): Remove -Wlarger-than code from here.
10997 * flags.h (id_clash_len): Now int.
10998 (larger_than_size): Now HOST_WIDE_INT.
10999 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11000 Clean up checking to see if in table.
11001 (make_bit_field_ref): Remove extra parm to bitsize_int.
11002 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11003 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11004 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11005 and for computing size of decl.
11006 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11007 Move -Wlarger-than code to here.
11008 (layout_record): Remove extra arg to bitsize_int.
11009 Set TYPE_BINFO_SIZE_UNIT.
11010 (layout_union): Remove extra arg to bitsize_int.
11011 Use proper type for size of QUAL_UNION.
11012 (layout_type): Remove extra arg to bitsize_int.
11013 * toplev.c (id_clash_len): Now int.
11014 (larger_than_size): Now HOST_WIDE_INT.
11015 (decode_W_option): Clean up id-clash and larger-than- cases.
11016 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11017 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11018 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11019 (struct tree_decl): New field size_unit.
11020 (size_int_wide): No HIGH operand; NUMBER is now signed.
11021 (size_int_2): Deleted.
11022 (size_int, bitsize_int): Don't use it and rework args.
11023 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11025 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11027 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11029 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11031 * invoke.texi (Warning Options): Add an explanation of why
11032 you might want the -Wfloat-equal flag.
11034 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11036 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11037 * cppinit.c (new_pending_define): Add cast to avoid warning.
11038 * expmed.c (extract_bit_field): Likewise.
11039 * flow.c (enum reorder_skip_type): New type.
11040 (skip_insns_between_blcok): New it.
11041 Rework to avoid warning about possibly undefined variable.
11042 * function.c (assign_parms): Make thisparm_boundary unsigned.
11043 * genrecog.c (write_switch): Cast XWINT result to int.
11044 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11045 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11046 one for MIPS and one for Alpha.
11047 (get_tag, copy_object): Add casts to avoid warnings.
11048 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11049 * reload.c (find_reloads): Make TYPE enum reload_type.
11050 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11051 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11052 * varasm.c (compare_constant_1): Add cast to avoid warning.
11053 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11055 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11056 Cast switch operand of size to int.
11057 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11058 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11061 2000-02-18 Nick Clifton <nickc@cygnus.com>
11063 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11064 anything for an alignment of zero.
11066 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11067 anything for an alignment of zero.
11069 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11071 * gcc.texi (Bug Reporting): Refer to bugs.html.
11072 (Bug Lists): Likewise.
11073 * system.h (GCCBUGURL): New preprocessor define.
11074 * rtl.c (fancy_abort): Use it.
11075 * gcc.c (main): Likewise.
11077 2000-02-18 Richard Henderson <rth@cygnus.com>
11079 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11080 (life_analysis_1): Subsume into ...
11081 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11082 Use update_life_info for the relaxation.
11083 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11084 entry and regs_live_at_setjmp.
11085 (set_noop_p): Simplify.
11086 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11087 (record_volatile_insns): Split into ...
11088 (delete_noop_moves): ... here,
11089 (notice_stack_pointer_modification): ... here,
11090 (insn_dead_p): ... and here.
11091 (propagate_block): Don't query INSN_VOLATILE.
11092 (mark_used_regs): Mind !PROP_REG_INFO.
11093 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11094 not in life_analysis.
11096 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11098 * loop.c (canonicalize_condition): New function,
11099 broken out of get_condition.
11100 (get_condition): Use it.
11101 * expr.h (canonicalize_condition): Prototype it.
11103 * tree.h (tree_int_cst_msb): Declare.
11104 * tree.c (tree_int_cst_msb): New function.
11106 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11108 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11111 * invoke.texi (-fmessage-length=n): Document.
11113 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11115 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11117 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11119 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11120 after the prologue.
11122 2000-02-17 Nick Clifton <nickc@cygnus.com>
11124 * config/arm/thumb.c: Replace includes of system headers with
11125 #include "system.h".
11127 2000-02-16 Richard Henderson <rth@cygnus.com>
11129 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11130 Add crtbeginS.o and crtendS.o.
11131 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11132 (ENDFILE_SPEC): Use crtendS.o.
11133 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11135 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11136 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11137 shared and present.
11138 (__dso_handle): New variable.
11139 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11140 bias to __CTOR_END__.
11142 2000-02-16 Richard Henderson <rth@cygnus.com>
11144 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11146 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11148 * longlong.h (__clz_tab): Declare as static to match definition.
11150 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11152 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11153 (XREF_FILE_NAME): Define.
11155 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11156 (EH_FRAME_SECTION_ASM_OP): Define.
11157 (IDENT_ASM_OP): Define.
11158 (TEXT_SECTION_ASM_OP): Define.
11159 (CPP_SPEC): Define.
11160 (CTORS_SECTION_ASM_OP): Define.
11161 (CTOR_SECTION_FUNCTION): Use it.
11162 (DTORS_SECTION_ASM_OP): Define.
11163 (DTOR_SECTION_FUNCTION): Use it.
11165 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11167 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11170 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11171 debug_bb_n): New functions.
11172 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11173 * basic-block.h: Prototype new functions.
11175 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11177 * configure.in: Add support for avr target.
11178 * configure: Rebuilt.
11180 * invoke.texi: Add AVR invocation docs.
11181 * install.texi: Add information about AVR.
11182 * md.texi: Add AVR constraint letters description.
11183 * extend.texi: Add description for AVR specific attributes.
11185 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11187 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11189 2000-02-16 Nick Clifton <nickc@cygnus.com>
11191 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11192 (make_insn_raw): Move RTL check here.
11194 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11196 * version.c: Include gansidecl.h and version.h.
11198 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11200 * configure.in (gcc_version): When setting, narrow search to
11201 lines containing `version_string'.
11203 * Makefile.in (mainversion): Likewise.
11204 (GCC_H): New variable.
11205 (gcc.h): Delete target.
11206 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11207 (version.o): Depend on version.h.
11208 (dbxout.o): Don't depend on gcc.h.
11210 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11211 Michael Meissner <meissner@cygnus.com>
11213 * md.texi (Simple Constraints): Add item about whitespace.
11214 * genoutput.c (strip_whitespace): New.
11215 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11216 strip_whitespace for constraints.
11217 Test pointer using NULL, not 0.
11219 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11221 * cpplib.c (do_line): Pedwarn for #line > 32767.
11223 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11225 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11227 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11228 to default cpp spec.
11229 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11230 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11233 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11236 2000-02-15 Denis Chertykov <denisc@overta.ru>
11238 * configure.in: Add support for avr target.
11240 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11242 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11243 (sh_addr_diff_vec_mode): Don't declare.
11244 * sh.c (sh_addr_diff_vec_mode): Delete.
11246 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11248 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11250 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11252 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11253 (smulsi3_highpart_i): Name.
11254 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11255 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11256 (smulsi3_highpart, umulsi3_highpart): Likewise.
11258 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11259 correctly independent of endianness.
11260 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11261 confuse the optimizers.
11262 (mulsidi3+1, umulsidi3+1): New define_split.
11264 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11266 * config/sh/sh.md: Guard insn splits against illegal registers.
11267 * config/sh/sh.h: Correct comment about macros.
11269 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11270 Andrew MacLeod <amacleod@cygnus.com>
11272 * Makefile.in (lcm.o): Depend on insn-attr.h.
11273 * basic-block.h (optimize_mode_switching): Declare.
11274 * lcm.c (tm_p.h, insn-attr.h): #include.
11275 (seginfo, bb_info): New structs.
11276 (antic, transp, comp, delete, insert) : New file-scope static variables.
11277 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11278 (reg_becomes_live, optimize_mode_switching): Likewise.
11279 * tm.texi: Add description of mode switching macros.
11280 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11282 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11283 (fldi_ok, fpscr_set_from_mem): New prototypes.
11284 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11285 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11286 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11287 (sh_flag_remove_dead_before_cse): Remove declaration.
11288 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11289 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11290 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11291 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11292 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11293 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11294 (fldi_ok): New function.
11295 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11296 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11297 (emit_df_insn): Likewise.
11298 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11299 (sh_flag_remove_dead_before_cse): Delete.
11300 (get_free_reg, fpscr_set_from_mem): New functions.
11301 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11302 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11304 2000-02-15 Loren Rittle <ljrittle@acm.org>
11306 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11308 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11310 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11311 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11313 * cccp.c: Include version.h and/or don't declare `version_string'.
11314 * collect2.c: Likewise.
11315 * alpha.c: Likewise.
11316 * arm/aof.h: Likewise.
11317 * arm/coff.h: Likewise.
11318 * arm/elf.h: Likewise.
11319 * arm/pe.h: Likewise.
11320 * arm/tcoff.h: Likewise.
11321 * arm/telf.h: Likewise.
11322 * arm/tpe.h: Likewise.
11323 * arm/vxarm.h: Likewise.
11324 * convex/convex.c: Likewise.
11325 * i386/dgux.c: Likewise.
11326 * i386/sun386.h: Likewise.
11327 * m88k/m88k.c: Likewise.
11328 * mcore/mcore-pe.h: Likewise.
11329 * mips/mips.h: Likewise.
11330 * romp/romp.h: Likewise.
11331 * sh/sh.c: Likewise.
11332 * cpphash.c: Likewise.
11333 * cppinit.c: Likewise.
11334 * dwarf2out.c: Likewise.
11335 * dwarfout.c: Likewise.
11338 * mips-tfile.c: Likewise.
11339 * protoize.c: Likewise.
11340 * toplev.c: Likewise.
11341 * tree.h: Likewise.
11343 * version.c (version_string): Constify a char*.
11345 * version.h: New file.
11347 2000-02-14 Nick Clifton <nickc@cygnus.com>
11349 * configure.in: Add mcore-elf and mcore-pe targets.
11350 * configure: Regenerate.
11352 * NEWS: Add note that MCore port has been contributed.
11354 * invoke.texi: Document command line switches for MCore port.
11355 * install.texi: Add MCore to list of supported targets.
11357 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11359 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11360 then we will need to import the frame handling functions.
11361 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11362 to import the frames themselves.
11364 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11365 Jason Eckhardt <jle@cygnus.com>
11367 * basic_block.h: Added prototype for reorder_basic_blocks.
11368 * toplev.c: Changes to add -freorder-blocks and graph dump after
11369 block reordering is done.
11370 * flow.c (reorder_block_def): New structure for use during block
11372 (REORDER_BLOCK_*): New macros to access members of above structure.
11373 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11374 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11375 functions for block reordering.
11377 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11379 * gcc.texi (Passes): Fix typo.
11380 * md.texi (Standard Names): Ditto.
11381 * tm.texi (Storage Layout): Ditto.
11383 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11385 * cpplib.c (do_define): Only free the old definition if it
11388 2000-02-13 Neil Booth <NeilB@earthling.net>
11390 * cppfiles.c (read_and_prescan): When emitting deferred
11391 newlines, test speccase[] again instead of checking each
11392 possible whitespace character in turn. When we encounter \r,
11393 look behind for \n first, then ahead.
11395 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11397 * cse.c (cse_altered): New internal flag.
11398 (cse_insn): Set it if we changed an insn.
11399 (cse_main): Clear cse_altered before each basic block.
11400 Only garbage collect if cse_altered is true afterward.
11402 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11404 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11406 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11408 * combine.c (simplify_comparison): Fix typo.
11410 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11412 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11415 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11417 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11418 previously inserted node instead of root node. Caller changed.
11420 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11422 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11424 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11426 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11427 __dereg_frame_dtor): Add prototype argument.
11429 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11431 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11433 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11435 * gthr-vxworks.h (__gthread_once): Likewise.
11437 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11439 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11441 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11442 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11443 stack pointer in functions w/o saved registers, output LEAVE more often
11444 on TARGET_USE_LEAVE machines.
11446 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11448 * config/arm/arm.c (arm_init_cumulative_args); New function:
11449 Initlaise the CUMULATIE_ARGS strcuture for a function
11451 (arm_function_arg): New function: Determine where to place a
11452 function's argument. Also handles deciding the function's
11454 (current_file_function_operand): New function: Return true if
11455 the symbol is a function which has already been compiled.
11456 (arm_is_long_call_p): New function: Return true if the
11457 indicated function should be called via a long call.
11458 (arm_valid_type_attribute_p): New function: Return true if the
11459 attribute is a valid, arm specific, attribute.
11460 (arm_comp_type_attribute): New function: Return true if the
11461 two types have compatable, arm specific, attributes.
11463 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11465 (FUNCTION_ARG): Redefine to call arm_function_arg.
11466 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11468 (INIT_CUMULATIVE_ARGS): Redefine to call
11469 arm_init_cumulative_args.
11470 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11472 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11474 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11476 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11477 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11478 (COMP_TYPE_ATTRIBUTES): Define.
11480 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11481 if a long call is needed.
11482 (call_value): Call arm_is_long_call_p to decide if a long call
11484 (call_symbol): Call arm_is_long_call_p to decide if a long call
11487 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11489 2000-02-11 Denis Chertykov <denisc@overta.ru>
11491 * README.AVR: New file with information about the avr ports.
11492 * config/avr: New directory with avr port files.
11494 2000-02-11 Andreas Jaeger <aj@suse.de>
11496 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11498 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11500 * cpphash.c: Fix formatting, update commentary.
11501 (dump_definition): Take three separate arguments instead of a
11502 MACRODEF structure argument.
11503 * cpphash.h: Update prototype of dump_definition.
11504 * cppinit.c (cpp_finish): Update call of dump_definition.
11506 * cpplib.c (do_define): Always create new hash entry with
11507 T_MACRO type. Remove redundant check for redefinition of
11508 poisoned identifier. Update call of dump_definition.
11509 (do_undef): Don't call check_macro_name. Rename sym_length to
11511 (do_error, do_warning): Don't use copy_rest_of_line or
11513 (do_warning): Don't use pedwarn for the actual warning,
11514 only the notice about its not being in the standard. (Fixes
11515 bug with #warning in system headers.)
11516 (do_ident): Stricter argument checking - accept only a single
11517 string after #ident. Also, macro-expand the line.
11518 (do_xifdef): Use cpp_defined. De-obfuscate.
11520 (do_pragma): Split out specific pragma handling to separate
11521 functions. Use get_directive_token. Update commentary. Do
11522 not pass on #pragma once or #pragma poison to the front end.
11523 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11524 do_pragma_default): New.
11526 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11528 * jump.c (jump_optimize_1): The first operand in a relational
11529 can be a CONST_INT.
11530 * optabs.c (emit_conditional_move): Handle relationals which
11531 have a known true/false result.
11533 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11535 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11536 a RETURN insn into a block which already ends with a jump.
11538 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11540 * haifa-sched.c (BUF_LEN): Increase a lot.
11542 2000-02-11 Nick Clifton <nickc@cygnus.com>
11544 * configure.in: Add tm_p_file specification for thumb targets.
11545 * configure: Regenerate.
11547 * config/arm/thumb-protos.h: New file: Prototypes for exported
11548 functions defined in thumb.c.
11550 2000-02-11 Robert Lipe <robertl@sco.com>
11552 * Makefile.in (bootstrap-lean): Remove additional files.
11553 (bootstrap2-lean): Likewise.
11554 (VOL_FILES): List of files for above.
11556 2000-02-11 Nathan Sidwell <nathan@acm.org>
11558 * cpphash.c (special_symbol): Remove spurious argument to
11561 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11563 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11565 * configure: Rebuilt.
11567 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11569 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11571 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11573 * pa.c, pa.h: Remove trigraph sequences within comments.
11575 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11577 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11579 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11581 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11583 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11585 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11587 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11589 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11590 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11591 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11592 (ASM_FILE_END): Use c4x_file_end.
11593 * config/c4x/c4x.c (c4x_global_label): New function.
11594 (c4x_external_ref, c4x_file_end): Likewise.
11596 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11597 (c4x_external_ref, c4x_end_file): Likewise.
11599 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11601 * cppexp.c: Don't include cpphash.h.
11602 (parse_charconst, cpp_lex): Use cpp_defined.
11603 (cpp_lex): Use get_directive_token throughout. Remove
11604 unnecessary cases from switch. Move assertion-handling code
11605 down to OTHER case.
11606 (cpp_parse_expr): If we see '+' or '-', check the context to
11607 determine if they are unary or binary operators. Streamline
11608 the jumps a bit. Do not call skip_rest_of_line.
11610 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11611 static. Export get_directive_token. Update commentary.
11612 (cpp_defined): New function.
11613 (do_define): Remove reference to T_PCSTRING. Call
11614 free_definition to release memory for old definition, when
11615 redefining a macro.
11616 (eval_if_expression): Set only_seen_white to 0 before calling
11617 cpp_parse_expr. Call skip_rest_of_line after it returns.
11618 (cpp_read_check_assertion): Don't preserve a pointer into the
11619 token buffer across a call to cpp_get_token.
11621 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11622 * cppfiles.c (redundant_include_p): Use cpp_defined.
11623 * cpphash.c (free_definition): New function.
11624 (delete_macro): Use it. Update commentary.
11625 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11627 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11628 from enum node_type. Prototype cpp_defined and get_directive_token.
11629 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11631 * fix-header.c (check_macro_names): Use cpp_defined.
11632 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11633 the options structure.
11635 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11637 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11639 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11641 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11642 rather than die->die_tag.
11644 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11646 * combine.c (make_extraction, force_to_mode): Avoid warning on
11647 mixed-signedness conditionals.
11648 (make_field_assignment, nonzero_bits): Likewise.
11649 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11650 (store_split_bit_field, extract_split_bit_field): Likewise.
11651 (extract_fixed_bit_field, store_bit_field,
11652 * expr.c: Change alignment to be unsigned everywhere.
11653 (move_by_pieces, store_constructor_field, store_constructor):
11654 Alignment parm is unsigned.
11655 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11656 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11657 (do_compare_rtx_and_jump): Likewise.
11658 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11659 Compare align with GET_MODE_ALIGNMENT.
11660 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11661 (get_inner_reference): Likewise.
11662 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11663 (expand_assignment): Local vars for alignment now unsigned.
11664 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11665 (do_compare_and_jump): Likewise.
11666 (store_field): Call new function expr_align.
11667 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11668 Alignment arg now unsigned.
11669 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11670 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11671 (extract_bit_field): Likewise.
11672 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11673 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11674 (get_best_mode): Alignment arg is unsigned.
11675 * rtl.h (move_by_pieces): Likewise.
11676 * store-layout.c (maximum_field_alignment, set_alignment):
11678 (layout_decl): Alignment arg is now unsigned.
11679 Remove unneeded casts.
11680 (layout_record, layout_union, layout_type): Remove unneeded casts.
11681 Local alignment variables now unsigned.
11682 (get_best_mode): Alignment arg now unsigned.
11683 * tree.c (expr_align): New function.
11684 * tree.h (expr_align): Likewise.
11685 (maximum_field_alignment, set_alignment): Now unsigned.
11686 (get_inner_reference): Alignment argument is now pointer to unsigned.
11687 * varasm.c (assemble_variable): Add cast to eliminate warning.
11689 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11691 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11692 then store directly into op0.
11694 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11695 the CALL_INSN, and emit the note immediately after it.
11697 2000-02-10 Nick Clifton <nickc@cygnus.com>
11699 * config/arm/thumb.md (epilogue): Include a (return) in the
11700 generated insn, and emit it using emit_jump_insn not
11703 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11705 * function.c (assign_temp): Change zero-sized arrays to size 1.
11706 * integrate.c (expand_inline_function): Do not update
11707 stack_alignment_needed
11708 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11709 add some sanity checking, remove optimization for function with
11712 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11714 * flow.c (mark_regs_live_at_end): Delete unused variables.
11716 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11718 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11719 in macro FRAME_GROWS_DOWNWARD.
11721 * stmt.c (expand_end_bindings): Delete unused variable.
11723 * unroll.c (iteration_info): Mark parameter `loop' with
11726 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11728 * fixinc/server.c (load_data): Return NULL if the marker line is
11730 (run_shell): If load_data returns NULL, retry the command once, in
11733 * configure: Rebuilt.
11735 2000-02-09 Bruce Korb <bkorb@gnu.org>
11737 * gcc/fixincludes: ** DELETED **
11738 * gcc/fixcpp: ** DELETED **
11739 * gcc/fixinc-nt.sed: ** DELETED **
11740 * gcc/just-fixinc: ** DELETED **
11741 * gcc/Makefile.in: Removed out-dated commentary
11742 * gcc/configure.in: Removed fast-fixincludes disablement.
11743 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11745 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11746 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11749 2000-02-09 Richard Henderson <rth@cygnus.com>
11751 * jump.c (delete_insn): Don't delete user labels at -O0.
11753 2000-02-09 Robert Lipe <robertl@sco.com>
11755 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11756 Don't link with HOST_LIBS.
11758 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11760 * configure.in: Correct --help text for --with-dwarf2.
11761 Put tm-dwarf2.h after other tm files, if it's requested.
11762 * configure: Regenerate.
11763 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11766 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11768 * cpplib.h: Provide HASHNODE typedef and forward decl of
11769 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11770 DEFINITION, struct hashnode, struct macrodef, struct
11771 definition, scan_decls prototype, default defn of
11772 INCLUDE_LEN_FUDGE moved elsewhere.
11774 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11775 definition, and struct hashnode moved here. Remove the unused
11776 'predefined' field from struct definition. Replace the 'args'
11777 union with its sole member. All users updated (cpphash.c).
11778 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11779 multiple include guard.
11781 * cpphash.c (hashf): Make static; use better algorithm; drop
11782 HASHSIZE parameter; return an unsigned int.
11783 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11784 used. Calculate HASHSIZE modulus here.
11785 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11787 (create_definition): Drop PREDEFINITION parameter.
11788 * cpplib.c (do_define): Don't calculate a hash value here.
11789 Don't pass (keyword == NULL) to create_definition.
11791 * scan.h: Prototype scan_decls here.
11792 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11793 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11794 callers of cpp_lookup and cpp_install updated.
11796 * cpphash.c (macarg): Hoist all the flag diddling out of the
11798 (macroexpand): ... and out of the loop that calls macarg.
11799 Skip over the initial paren before macro arguments with
11800 cpp_get_non_space_token; point may be some distance before
11801 that paren. Abort if it's not there.
11803 * cpplib.c (parse_clear_mark): Delete function.
11804 (parse_set_mark, parse_goto_mark): Make static.
11805 (ACTIVE_MARK_P): New macro.
11806 (skip_block_comment, skip_line_comment): Do not bump the line
11807 if ACTIVE_MARK_P is true.
11808 (cpp_pop_buffer): The buffer to be popped may not have an
11810 (cpp_get_token): When looking for the initial paren before
11811 macro arguments, only set a mark in a file buffer, Always
11812 return to that mark before proceeding to call macroexpand or
11813 return a NAME token.
11815 * cpplib.h: Remove prototypes of parse_set_mark,
11816 parse_clear_mark, parse_goto_mark.
11817 (struct cpp_options): Rename 'put_out_comments' to
11818 'discard_comments' and invert its sense.
11819 * cppinit.c, cpphash.c, cpplib.c: All users of
11820 put_out_comments changed to use discard_comments, with
11823 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11825 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11826 the edge from a block that both jumps and falls through to the
11829 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11831 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11832 constant source address is legitimate.
11834 2000-02-09 Philip Blundell <pb@futuretv.com>
11836 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11839 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11841 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11843 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11845 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11846 ends with a newline and a NUL. Don't be so clever manipulating
11849 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11851 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11852 not to BIGGEST_ALIGNMENT.
11854 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11856 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11857 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11858 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11859 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11860 * frame.c (execute_cfa_insn): Handle
11861 DW_CFA_GNU_negative_offset_extended.
11863 2000-02-08 Richard Henderson <rth@cygnus.com>
11865 * flow.c (tidy_fallthru_edges): Split out from ...
11866 (delete_unreachable_blocks): ... here.
11867 (find_basic_blocks): Use it.
11869 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11871 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11873 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11875 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11876 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11877 (fix-header.o): Don't depend on cpphash.h.
11879 * scan.c (hashstr): New function.
11880 * scan.h: Prototype it.
11881 * fix-header.c: Don't include cpphash.h. Use hashstr.
11882 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11883 hashstr. Report hash table statistics. Add private
11884 definition of xrealloc.
11886 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11888 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11890 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11892 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11893 jumps with returns unless they are jumps to the fallthru block.
11895 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11897 * i386.md (addqi3_cc): Fix contraints.
11899 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11901 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11903 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11905 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11906 carriage return after a macro name.
11908 2000-02-07 Fred Fish <fnf@be.com>
11910 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11911 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11913 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11915 * cppfiles.c (deps_output): Count spacers in deps_column.
11917 2000-02-07 Neil Booth <NeilB@earthling.net>
11919 * cppinit.c (initialize_dependency_output): If there is no
11920 suffix, don't try to look for known suffixes. Use strrchr.
11921 (cpp_start_read): Remove duplicate initialization.
11923 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11925 * calls.c (compute_argument_block_size): New argument
11926 preferred_stack_boundary.
11927 (expand_call): update cfun->preferred_stack_boundary, update call of
11928 compute_argument_block_size
11929 (emit_library_call): Increate cfun->preferred_stack_boundary
11930 to PREFERRED_STACK_BOUNDARY
11931 (emit_library_call_value): Likewise.
11932 * explow.c (allocate_dynamic_stack_spave): Likewise.
11933 * function.c (prepare_function_start): Set
11934 cfun->preferred_stack_boundary
11935 * function.h (struct function): Add preferred_stack_boundary field.
11936 * integrate.c (expand_inline_function): Update
11937 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11938 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11939 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11941 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11943 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11944 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11945 cpp_pedwarn, cpp_pedwarn_with_line,
11946 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11947 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11948 v_cpp_error_with_line, v_cpp_warning_with_line,
11949 cpp_message_from_errno, cpp_perror_with_name): Delete.
11951 * cpperror.c (cpp_print_containing_files): Take starting
11952 buffer as argument.
11953 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11954 (v_cpp_message): Now called directly by all entry points.
11956 (cpp_pfatal_with_name, cpp_message): Delete.
11957 (cpp_notice_from_errno, cpp_ice): New functions.
11958 (cpp_notice): Is now for reporting error conditions, just
11959 without an associated file.
11960 (cpp_error, cpp_error_with_line): Don't do anything if
11961 opts->inhibit_errors is on.
11962 (cpp_pedwarn_with_file_and_line): Take column argument also.
11964 * cpplib.h: Update prototypes of exported functions.
11965 (struct cpp_options): Add inhibit_errors.
11967 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11968 non-error messages. Include intl.h.
11970 * cppinit.c, cppmain.c: Likewise. Also, use
11971 cpp_notice_from_errno instead of cpp_perror_with_name or
11972 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11974 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11975 report internal errors.
11977 * cpplib.c (do_define): Switch bcopy to memcpy.
11978 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11980 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11981 bail out early if we hit a line comment.
11983 2000-02-06 Richard Henderson <rth@cygnus.com>
11985 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
11986 * basic-block.h: Declare them.
11987 * emit-rtl.h (active_insn_p): New.
11988 (next_active_insn, prev_active_insn): Use it.
11989 * rtl.h: Declare it.
11990 * function.c (emit_return_into_block): New.
11991 (thread_prologue_and_epilogue_insns): Insert return insns instead
11992 of epilogues when possible.
11993 * jump.c (jump_optimize_1): Remove code to insert a return insn
11994 on the fallthru to the exit block.
11996 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
11997 and for non-empty stack frames.
11998 * i386.md (return): Expand to return-pop as needed.
12000 2000-02-06 Richard Henderson <rth@cygnus.com>
12002 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12003 constant to op1 for testing.
12005 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12007 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12008 (fixuns_truncqfqi2): Use it.
12010 2000-02-06 Richard Henderson <rth@cygnus.com>
12012 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12013 as a TYPE_LEA insn.
12015 * i386.md (widening and peepholes): Mask the constant instead of
12018 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12020 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12021 input pointer before possibly branching off to the backslash
12023 * cpphash.c (macroexpand): Correctly delete \r escapes when
12024 stringifying parameters.
12025 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12026 if we can; bail out early if we hit a line comment.
12027 (handle_directive): Treat '# 123' in an .S file just like
12028 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12029 Return 1 for '# not_a_directive'.
12030 (get_directive_token): Pop macro buffers here, so that
12031 cpp_get_token can't sneakily move past a newline.
12033 (cpp_get_token): goto randomchar if handle_directive returns 0.
12035 * cppalloc.c: Update copyright.
12036 * cpplib.c: Merge all the static function prototypes into one
12038 * cpplib.h: Remove #if 0 block.
12040 * cpperror.c: Remove #ifdef EMACS block.
12041 * cppmain.c: Likewise.
12042 * cpphash.c: Remove #if 0 blocks.
12043 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12044 * cpplib.c: Remove #if 0 blocks and code referencing
12045 pcp_inside_if or for_lint. Remove duplicate error message.
12046 Fix error messages for #else after #else or #elif. Reformat.
12047 Remove archaic TODO list.
12048 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12050 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12052 * i386/osf1elf.h: Add missing backslash to multiline string.
12054 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12056 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12058 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12060 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12062 * c-common.c: Include expr.h.
12064 * c-pragma.c (mark_align_stack): Add prototype.
12066 * caller-save.c (add_stored_regs): Likewise.
12068 * combine.c (record_promoted_value): Likewise.
12070 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12073 * cppinit.c (new_pending_define): Likewise.
12075 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12077 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12078 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12079 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12080 class_scope_p): Likewise.
12082 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12083 dwarf2out_add_library_unit_info): Likewise.
12085 * ggc.h (ggc_page_print_statistics): Likewise.
12087 * haifa-sched.c (propagate_deps): Likewise.
12089 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12091 * rtl.h (set_stack_check_libfunc): Likewise.
12093 * toplev.h (set_fatal_function): Likewise.
12095 * toplev.c (set_fatal_function): Delete prototype.
12097 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12099 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12101 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12102 (FUNC_END): Likewise.
12104 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12106 * caller-save.c: Include tm_p.h.
12108 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12110 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12112 2000-02-04 Neil Booth <NeilB@earthling.net>
12114 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12117 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12119 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12120 * genflags.c: Use the max_operand_1 logic from genemit.c to
12121 calculate how many arguments gen_insn prototypes have. Remove
12122 NO_MD_PROTOTYPES ifdefs from the generated file.
12123 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12124 file. Cast gen_insn initializers to insn_gen_fn.
12125 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12126 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12128 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12130 * fixinc/Makefile.in (HDR): Add machname.h.
12133 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12135 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12136 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12137 (c4x_cpu_version): Ditto.
12138 * config/c4x/c4x-protos.h: ... here.
12140 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12142 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12143 gen_abstract_function on our context if we're a nested function.
12145 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12147 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12148 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12150 2000-02-04 Bruce Korb <bkorb@gnu.org>
12152 * fixinc/genfixes(machname.h):
12153 Move the functionality from gen-machine.h into this file.
12154 UNdef MN_NAME_PAT if there are no names to change.
12155 Also, be a little kinder when AutoGen is not present.
12157 * fixinc/Makefile.in(machname.h):
12158 Change the generation rule to use genfixes.
12160 * fixinc/fixfixes.c(machine_name):
12161 machine_name_fix's functionality now dependent upon whether
12162 MN_NAME_PAT is defined.
12164 * fixinc/fixtests.c(machine_name):
12167 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12170 * fixinc/fixlib.h(mn_get_regexps):
12173 * fixinc/gen-machine.h: DELETED
12175 2000-02-04 Jan Hubicka <jh@suse.cz>
12176 Richard Henderson <rth@cygnus.com>
12178 * i386.c (SAVE_REGS_FIRST): Remove.
12179 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12180 (ix86_compute_frame_size): Likewise.
12181 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12182 (ix86_emit_restore_regs): Remove.
12183 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12184 when a frame pointer is in use.
12185 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12186 instead of pop to restore a register when profitable; emit leave
12188 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12189 as a TYPE_LEA insn.
12190 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12191 * i386.md (prologue_allocate_stack): Remove.
12192 (epilogue_deallocate_stack): Remove.
12193 (pro_epilogue_adjust_stack): New.
12195 2000-02-04 Richard Henderson <rth@cygnus.com>
12197 * function.c (diddle_return_value): Rework to use a callback function.
12198 Use current_function_return_rtx if it's been set up.
12199 (do_clobber_return_reg, clobber_return_register): New.
12200 (do_use_return_reg, use_return_register): New.
12201 (expand_function_end): Use them.
12202 * stmt.c (expand_null_return): Likewise.
12203 * function.h: Declare them.
12204 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12205 (mark_reg): Change arguments as appropriate for callback.
12206 * integrate.c (expand_inline_function): Revert 19 Jan change.
12208 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12210 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12211 (Misc): Say the scheduler, not the Haifa scheduler.
12213 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12215 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12216 when in_mem is set. Update all callers.
12218 2000-02-04 Richard Henderson <rth@cygnus.com>
12220 * i386/openbsd.h (INT_ASM_OP): Define.
12222 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12224 * tm.texi: Fix various typos.
12226 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12228 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12229 (MD_STARTFILE_PREFIX_1): New macro.
12231 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12233 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12234 destination when needed.
12235 (strmovsi, strsetsi): New expander.
12236 (strmovsi_1, strsetsi_1): New pattern.
12237 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12238 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12239 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12240 * invoke.texi (align-stringops, inline-all-stringops): Document.
12242 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12244 * i386/netbsd.h (INT_ASM_OP): Define.
12246 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12248 * cpplib.h (cpp_reader): Add new flag, no_directives.
12249 * cpphash.c (macarg): Set it.
12250 * cpplib.c (handle_directive): If no_directives is on and we
12251 find a directive, issue an error and discard the line.
12253 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12255 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12256 FP constants. Add ! TARGET_FPU check for FP constants.
12258 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12260 * flow.c (find_basic_blocks): Don't kill label_value_list
12262 (cleanup_cfg): Kill it here.
12264 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12266 * expr.c (store_field): Ensure ALIGN is no stricter than the
12269 2000-02-02 Richard Henderson <rth@cygnus.com>
12271 * jump.c (delete_insn): Partially revert 19 Jan change;
12272 don't convert unused code labels to notes at -O0.
12274 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12276 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12277 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12279 2000-02-01 Richard Henderson <rth@cygnus.com>
12281 * i386.c (general_no_elim_operand): New.
12282 (nonmemory_no_elim_operand): New.
12283 (ix86_expand_move): Copy eliminable operands before a push.
12284 * i386-protos.h: Declare new functions.
12285 * i386.h (CAN_ELIMINATE): Simplify.
12286 (PREDICATE_CODES): Update.
12287 * i386.md (push insns): Don't allow eliminable register operands.
12289 2000-02-01 Richard Henderson <rth@cygnus.com>
12291 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12292 replace BLKmode with DECL_RTL's mode.
12294 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12296 * frame.c (find_fde): Convert for loop to do-while so compiler
12297 sees it's always executed at least once.
12298 * libgcc2.c (BBINBUFSIZE): Kill.
12299 (__bb_init_prg): Use fgets.
12300 (__bb_exit_trace_func): Don't paste strings.
12301 * unroll.c (unroll_loop): Initialize unroll_type, not
12302 unroll_number, and tweak logic to match.
12304 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12306 (ix86_flags_dependant): Likewise. Disentangle control flow.
12307 (ix86_sched_reorder): Break guts out to
12308 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12309 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12312 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12313 use string concatenation. Don't save and restore esi.
12315 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12316 (machname.h): Remove script to separate file. Use two-step
12317 sequence so target is not created if script fails.
12318 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12319 identifiers are defined.
12320 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12321 an empty string, machine_name doesn't need to do anything at
12323 (is_cxx_header): Add more cases to regexp.
12324 * fixinc/fixlib.h: Update prototype.
12325 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12327 * fixinc/fixincl.c: Define NO_BOGOSITY.
12329 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12330 (hp_sysfile): Add missing comma.
12331 (math_exception): Put the wrapper ifdefs at the beginning and
12332 the end of the file.
12333 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12335 2000-02-01 Richard Henderson <rth@cygnus.com>
12337 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12338 Use CONST0_RTX. Update all callers.
12339 * sparc.h, sparc-protos.h: Update accordingly.
12340 * sparc.md (fp mov insns): Use fp_zero_operand directly
12343 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12345 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12348 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12350 * Makefile.in (specs.ready): New target.
12351 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12353 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12355 * fixinc.irix: Use unique filenames for writing into /tmp,
12356 * fixinc.ptx: Likewise.
12357 * fixinc.sco: Likewise.
12358 * fixinc.svr4: Likewise.
12359 * fixinc.winnt: Likewise.
12361 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12363 * tsystem.h: New file.
12365 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12366 s-crtS): Depend on tsystem.h.
12368 * crtstuff.c: Include tsystem.h.
12369 * frame.c: Likewise.
12370 * libgcc2.c: Likewise.
12372 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12374 * builtins.c (expand_builtin_memset): Expand for variable sized
12377 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12379 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12382 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12384 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12386 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12388 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12390 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12391 case 3->2 combining (combining with splitting) in which 2 is CC0
12392 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12393 checked at the begining of the function with the aid of calling
12394 function 'can_combine_p'.
12396 2000-01-31 Dave Brolley <brolley@redhat.com>
12398 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12400 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12402 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12405 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12407 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12409 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12412 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12414 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12415 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12416 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12417 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12418 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12419 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12420 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12421 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12422 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12423 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12425 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12426 Add %(cpp_cpu) to CPP_SPEC.
12428 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12429 Add %(cc1_cpu) to CC1_SPEC.
12431 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12433 * c-decl.c (c_decode_option): Accept optional numeric argument to
12434 -Wformat and set warn_format.
12435 * c-common.c: Don't emit warning about non-constant printf format
12436 string unless warn_format > 1.
12438 2000-01-30 Richard Henderson <rth@cygnus.com>
12440 * alpha.md (return_internal): Allow after reload only.
12442 2000-01-30 Richard Henderson <rth@cygnus.com>
12444 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12445 local frame size is zero.
12447 2000-01-30 Richard Henderson <rth@cygnus.com>
12449 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12450 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12451 * alpha.md (return): Turn into an expander.
12452 (return_internal): Don't use $26.
12453 (epilogue): Emit the return insn.
12455 2000-01-30 Richard Henderson <rth@cygnus.com>
12457 * alpha.md (negtf2, abstf2): Fix word order thinko.
12458 (extendsftf2): New.
12459 (trunctfsf2): Avoid intermediate rounding errors.
12461 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12463 * cppfiles.c (find_position): Drop 'colp' argument, return the
12465 (read_and_prescan): Adjust to match. Don't ever manipulate
12466 line or line_base except via find_position.
12468 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12470 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12471 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12474 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12476 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12477 just print "<command line>". If 'filename' is null or an
12478 empty string, print "<stdin>" for the filename.
12479 * cpplib.c (do_define): Don't print the 'location of the
12480 previous definition' message if we're still parsing the
12482 (cpp_pedwarn_with_file_and_line): Always call
12483 cpp_file_line_for_message.
12485 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12487 * flow.c (mark_regs_live_at_end): Fix typo.
12489 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12491 * c-common.c: Adjust variable names, comments, help strings to c99.
12492 * c-lex.c: Likewise.
12493 * c-parse.y: Likewise.
12494 * c-tree.h: Likewise.
12495 * cccp.c: Likewise.
12496 * cpplib.h: Likewise.
12497 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12498 * cppinit.c: Likewise.
12500 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12502 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12503 * c4x.c: Define the optab rtx values.
12504 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12505 (c4x_emit_libcall): Use new optab rtx values.
12506 (c4x_emit_libcall3): Likewise.
12507 (c4x_emit_libcall_mulhi): Likewise.
12508 * c4x-protos.h: Add prototypes for optab rtx values and change
12509 prototypes for above c4x_emit_libcall functions.
12511 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12513 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12515 (c4x_function_prologue): Use regnames intead of float_reg_names when
12517 (c4x_function_epilogue): Likewise.
12518 (c4x_print_operand): Likewise.
12519 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12520 * c4x.md (set_high): Disable for TARGET_TI.
12522 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12524 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12525 of framepointer + constant to ADDR_REGS class.
12526 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12527 * c4x.c (std_or_reg_operand): New function.
12528 * c4x-protos.h (std_or_reg_operand): Prototype it.
12530 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12532 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12533 object names as libgcc2.c.
12534 * libgcc.S: Use newly defined names.
12536 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12537 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12539 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12540 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12541 (FLOW_LOOP_LAST_BLOCK): Likewise.
12543 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12545 * basic-block.h (struct loop): New fields 'first' and 'last'.
12546 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12547 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12548 and loop->last to check for NOTE_INSN_LOOP_END.
12550 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12552 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12553 of the loop descriptor rather than HEADER and LATCH. Also added
12554 missing break statements as well making some coding style modifications
12555 as suggested by Michael Hayes.
12557 2000-01-28 Richard Henderson <rth@cygnus.com>
12559 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12560 Break out that code ...
12561 (cleanup_cfg): ... here.
12562 (commit_one_edge_insertion): Detect a return instruction being
12563 emitted to an edge. Emit a barrier following; clear fallthru.
12564 (commit_edge_insertions): Verify CFG consistency.
12565 * function.c (expand_function_start): Kill unused variable.
12566 (expand_function_end): Likewise.
12567 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12568 to insert the epilogue.
12570 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12571 (delete_null_pointer_checks): Likewise.
12572 * output.h: Likewise.
12573 * reg-stack.c (reg_to_stack): Likewise.
12574 * toplev.c (rest_of_compilation): Likewise. Run
12575 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12577 2000-01-28 Richard Henderson <rth@cygnus.com>
12579 * Makefile.in (flow.o): Revert 24 Jan change.
12580 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12581 FUNCTION_VALUE result to DECL_RESULT's mode.
12583 * haifa-sched.c (schedule_insns): Don't recompute reg info
12586 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12588 * configure.in: Make --enable-cpplib the default.
12589 * configure: Regenerate.
12590 * gcc.dg/990119-1.c: No longer expected to fail.
12592 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12594 * jump.c (jump_optimize_1): Delete an optimization that is also done
12595 by merge_blocks in flow.
12597 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12599 * diagnostic.c (build_message_string, output_printf,
12600 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12601 (build_location_prefix): Fix non-literal format string.
12603 2000-01-27 Richard Henderson <rth@cygnus.com>
12605 * alpha.md (trunctfsf2): New.
12607 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12609 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12611 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12613 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12615 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12617 (skip_comment) ... here. Permit C++ comments in system
12618 headers always. Warn about C++ comments in user code under
12619 -std=gnu89 -pedantic.
12620 (copy_comment): Use skip_comment.
12621 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12623 (consider_directive_while_skipping, do_else, do_endif): Call
12624 validate_else unconditionally.
12625 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12626 text after the conditional in a system header.
12627 * cpplib.h (struct cpp_buffer): Add flag
12628 warned_cplusplus_comments.
12630 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12632 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12633 Use unshare_all_rtl_1.
12634 (unshare_all_rtl_again): New function.
12635 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12637 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12638 rather than resetting the 'used' flags ourself.
12640 * toplev.c (rest_of_compilation): Add current_function_decl
12641 to the unshare_all_rtl call.
12642 * tree.h: Prototype unshare_all_rtl.
12643 * rtl.h: Prototype unshare_all_rtl_again here.
12645 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12647 * genoutput.c (output_prologue): Include ggc.h in generated
12649 * Makefile.in (insn-output.o): Depends on ggc.h.
12651 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12652 Hans-Peter Nilsson <hp@bitrange.com>
12654 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12655 Remove redundant include of xm-ns32k.h.
12656 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12657 Remove redundant include of xm-ns32k.h.
12658 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12659 Remove redundant include of xm-ns32k.h.
12660 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12662 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12663 (TARGET_SWITCHES): Add documentation strings.
12664 (DWARF_FRAME_REGNUM): Override default definition.
12665 (REG_CLASS_CONTENTS): Add comments.
12666 (SUBSET_P): Format to reduce line length.
12667 (SMALL_REGISTER_CLASSES): Make a run time option.
12668 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12669 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12670 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12671 (regclass_map): fix typo in comment.
12672 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12673 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12674 (trace, reg_or_mem_operand): Delete, unused function.
12675 (calc_address_cost): Small offsets are cheaper than large ones.
12676 (expand_block_move): Generate more efficient code when bytes is a
12677 known at compile time.
12678 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12679 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12680 instead of reg_or_mem_operand.
12682 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12683 not general_operand. Similarly use "=rm" or stricter, not "=g".
12684 For input operands, use stricter constraints than "g" if not
12685 general_operand. Similarly use stricter predicate than
12686 "general_operand" when stricter constraints than "g" are present,
12687 except for matching constraints.
12688 (movstrsi): Use "memory_operand" for operands 0 and 1.
12689 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12690 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12691 not reg_or_mem_operand.
12692 (udivmoddisi4): Ditto.
12693 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12694 Use nonimmediate_operand for operand 3, not register_operand.
12695 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12696 reg_or_mem_operand.
12698 2000-01-27 Fred Fish <fnf@be.com>
12700 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12701 * gthr-single.h: Likewise.
12702 * gthr-solaris.h: Likewise.
12703 * gthr-vxworks.h: Likewise.
12704 * gthr-win32.h: Likewise.
12705 * gthr.h: Likewise.
12707 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12709 * cppinit.c: Add " (cpplib)" to end of string printed by
12712 2000-01-27 Richard Henderson <rth@cygnus.com>
12714 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12715 testing for a signed comparison.
12716 (alpha_emit_floatuns): New.
12717 * alpha-protos.h: Declare it.
12718 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12719 (extendsfdf2): Tidy.
12721 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12723 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12724 no -g option specifying debugging format, default to -gstabs+.
12726 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12728 * calls.c (special_function_p): New argument fork_or_exec.
12729 (expand_call): When profile_arc_flag is set and the function
12730 is in the fork_or_exec group, call __bb_fork_func first.
12731 * libgcc2.c, _bb module (__bb_fork_func): New function.
12732 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12734 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12735 * tree.h (special_function_p): Update prototype.
12737 2000-01-26 Richard Henderson <rth@cygnus.com>
12739 * alpha.c (alpha_split_tfmode_pair): New.
12740 * alpha-protos.h: Declare it.
12741 * alpha.md (abstf2, negtf2): New.
12742 (movtf insn): Add input G constraint.
12743 (movtf splitter): Use alpha_split_tfmode_pair.
12745 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12747 * i386/cygwin.h: PROTO -> PARAMS.
12749 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12751 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12752 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12753 using _Qp_cmp/_Q_cmp and testing the return value.
12754 (print_operand): Call reverse_condition_maybe_unordered if
12755 we are handling CCFPmode or CCFPEmode.
12756 Handle ORDERED, UN* and LTGT comparisons.
12757 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12758 if not TARGET_HARD_QUAD.
12759 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12760 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12761 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12762 Adjust gen_b* calls so that they reflect return comparison of
12763 sparc_emit_float_lib_cmp.
12765 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12767 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12768 incoming operands array is large enough for one more operand.
12769 (alpha_emit_xfloating_arith): Likewise.
12771 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12773 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12774 file with one line and no trailing newline.
12775 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12776 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12777 checking if the match is on the line.
12778 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12780 2000-01-25 Richard Henderson <rth@cygnus.com>
12782 * sparc.c (output_cbranch): Fix accidental squashing of the
12783 fp branch pre-delay nop.
12785 2000-01-25 Richard Henderson <rth@cygnus.com>
12787 * tree.def (UNNE_EXPR): Remove.
12788 * c-typeck.c (build_binary_op): Don't handle it.
12789 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12791 * rtl.def (UNNE): Remove.
12793 * jump.c (reverse_condition): Update accordingly.
12794 (swap_condition): Likewise.
12795 (comparison_dominates_p): Handle unordered comparisons.
12796 (reverse_condition_maybe_unordered): New.
12797 * rtl.h (reverse_condition_maybe_unordered): Declare.
12799 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12800 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12801 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12802 * sparc.md (bltgt): New.
12804 2000-01-25 Nick Clifton <nickc@redhat.com>
12806 * emit-rtl.c (emit_insn): Only check machine class insns for
12807 improper emission of a RETURN.
12809 2000-01-25 Richard Henderson <rth@cygnus.com>
12811 * Makefile.in (flow.o): Depend on $(EXPR_H).
12812 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12813 duplicate the structure of diddle_return_value for keeping regs live.
12815 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12817 * loop.c (current_loop_info): Delete.
12818 (consec_sets_invariant_p): Add loop argument, update callers.
12819 (get_condition_for_loop): Likewise.
12820 (count_nonfixed_reads, update_giv_derive): Likewise.
12821 (simplify_giv_expr, general_induction_var): Likewise.
12822 (consec_sets_giv, recombine_givs): Likewise.
12823 (move_movables): Delete loop_start and loop_end arguments,
12824 add loop argument, and update callers.
12825 (find_mem_givs, check_final_value): Likewise.
12826 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12827 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12829 (basic_induction_var): Add loop argument, delete loop_level argument,
12830 and update callers.
12831 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12832 add loop argument, and update callers.
12833 (find_splittable_regs, find_splittable_givs): Likewise.
12834 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12835 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12836 (biv_total_increment): Delete loop_start and loop_end arguments;
12838 (precondition_loop_p): Delete loop_start and loop_info arguments;
12840 * loop.h (get_condition_for_loop): Add loop argument.
12841 (biv_total_increment): Delete loop_start and loop_end arguments.
12842 (precondition_loop_p): Delete loop_start and loop_info arguments;
12844 (final_biv_value): Delete loop_start and loop_end arguments;
12846 (final_giv_value, back_branch_in_range_p): Likewise.
12848 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12850 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12852 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12854 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12855 point to the new "generated_files" doc.
12857 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12859 * config/fp-bit.c (_unord_f2): Fix typo.
12861 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12863 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12864 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12865 functions obsoleted by GC, such as push_obstacks_nochange,
12866 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12867 and code which existed only to decide whether or not to call
12868 them. Remove now-unused NESTED argument from start_function;
12869 all callers changed. Do not change behavior based on ggc_p.
12870 The use of the ixp_obstack in c-iterate.c and the util_obstack
12871 in objc/objc-act.c remain; these are not obsoleted by garbage
12873 * c-tree.h: Update prototype for start_function.
12875 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12877 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12879 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12882 2000-01-25 Richard Henderson <rth@cygnus.com>
12884 * sparc-protos.h (select_cc_mode): Declare.
12885 * sparc.c (select_cc_mode): New. Handle unordered compares.
12886 (output_cbranch): Always reverse via code change. Handle
12887 unordered compares. Factor tests and string updates.
12888 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12889 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12890 * sparc.md (bunordered, bordered): New.
12891 (bungt, bunlt, buneq, bunge, bunle): New.
12893 2000-01-25 Richard Henderson <rth@cygnus.com>
12895 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12896 * ggc-common.c (ggc_add_rtx_varray_root): New.
12897 (ggc_mark_rtx_varray): New.
12898 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12899 functions down below ggc_mark_foo.
12900 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12902 2000-01-25 Richard Henderson <rth@cygnus.com>
12904 * alpha.c (secondary_reload_class): Don't allocate a secondary
12905 for integral mode memories into FLOAT_REGS. Rearrange the more
12906 complicated memory expression inward.
12908 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12910 * inclhack.def: Fixes to play nicer with FreeBSD, and
12911 corrections to comments.
12912 (cxx_unready): Add select expression.
12913 (irix_sockaddr): Add bypass expression.
12914 (machine_ansi_h_va_list): New fix.
12915 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12916 Split out addition of "#include <stdarg.h>" to...
12917 (stdio_stdarg_h): ... here.
12918 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12919 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12920 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12922 (ultrix_ifdef): Tighten up select expression.
12924 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12925 re_ct and max_mach to avoid use of shell. Make printed names
12926 match names in inclhack.def. Use static copyright date.
12927 Don't count c_test and test expressions as requiring regex_t
12928 slots. Add some commentary.
12929 * inclhack.tpl: Do not include the 'This script contains N
12930 fixup scripts' line if PROGRAM is defined. Use static
12933 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12935 * dwarf2out.c: include "varray.h", not dyn-string.h.
12936 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12937 (addr_const_to_string, addr_to_string): Lose.
12938 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12939 (struct dw_val_struct): val_addr is now an rtx.
12940 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12941 (used_rtx_varray): New varray.
12942 (dwarf2out_init): Initialize it.
12943 (save_rtx): New fn.
12944 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12946 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12947 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12948 * Makefile.in (dwarf2out.o): Update dependencies.
12950 2000-01-24 Richard Henderson <rth@cygnus.com>
12952 * i386.c (i386_dwarf_output_addr_const): New.
12953 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12955 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12957 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12958 * i386.c (i386_simplify_dwarf_addr): New.
12959 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12961 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12963 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12964 TYPE_STUB_DECL is NULL.
12966 2000-01-24 Richard Henderson <rth@cygnus.com>
12968 * builtins.c (expand_tree_builtin): Move ...
12969 * c-common.c (expand_tree_builtin): ... here.
12971 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12973 * loop.h (LOOP_INFO): New accessor macro.
12974 * basic-block.h (struct loop): Rename field `info' to `aux'.
12975 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12976 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12977 * unroll.c (loop_iterations, unroll_loop): Likewise.
12979 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12981 * config/i386/t-cygwin: Accomodate new winsup directory layout
12982 when searching for include files.
12984 2000-01-24 Richard Henderson <rth@cygnus.com>
12986 * rtl.def: Add unordered fp comparisions.
12987 * tree.def: Likewise.
12988 * tree.h: Add ISO C 9x unordered fp comparision builtins.
12990 * builtins.c (expand_tree_builtin): New function.
12991 * c-typeck.c (build_function_call): Use it.
12992 (build_binary_op): Support unordered compares.
12993 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
12995 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
12996 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
12997 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
12998 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
12999 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13001 (swap_condition): Handle unordered compares.
13002 (thread_jumps): Check can_reverse before reversing.
13003 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13006 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13007 setcc is present before acking for cmp_optab. Update all callers.
13008 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13009 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13010 * expr.c (expand_expr): Likewise. Support unordered compares.
13011 (do_jump, do_store_flag): Likewise.
13012 * expr.h (enum libfunc_index): Add unordered compares.
13014 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13015 (DPBIT_FUNCS): Add _unord_df.
13016 * config/fp-bit.c (_unord_f2): New.
13017 * fp-test.c (main): Try unordered compare builtins.
13019 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13020 * alpha.c (alpha_comparison_operator): Check mode properly.
13021 (alpha_swapped_comparison_operator): Likewise.
13022 (signed_comparison_operator): Likewise.
13023 (alpha_fp_comparison_operator): New.
13024 (alpha_emit_conditional_branch): Handle unordered compares.
13025 * alpha.h (PREDICATE_CODES): Update.
13026 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13027 (bunordered, bordered): New.
13029 2000-01-24 Richard Henderson <rth@cygnus.com>
13031 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13032 * alpha.md (movtf): New expander, insn, and splitter.
13034 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13036 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13039 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13041 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13042 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13043 REG_ALLOC_ORDER): Add frame pointer
13044 (FRAME_POINTER_REGNUM): Set to 20
13045 (HARD_FRAME_POINTER_REGNUM): New macro.
13046 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13047 to HARD_FRAME_POINTER.
13048 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13049 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13050 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13051 (HI_REGISTER_NAMES): Add "frame".
13052 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13053 (debug_reg): Handle FRAME_POINTER_REGNUM.
13054 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13055 GENERAL_REGS and INDEX_REGS.
13056 * i386.c (SAVED_REGS_FIRST): new macro.
13057 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13058 (ix86_decompose_address, memory_address_length): Likewise.
13059 (regclass_map): Add frame pointer.
13060 (call_insn_operand): Handle frame_pointer_rtx.
13061 (reg_no_sp_operand): Likewise.
13062 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13063 (print_operand, legitimize_pic_address): Fix formating.
13064 (ix86_compute_frame_size): Make static, update prototype, new
13065 parameters padding1, padding2, use ix86_nsaved_regs, use
13066 stack_alignment_needed.
13067 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13068 to HARD_FRAME_POINTER_REGNUM conversions.
13069 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13070 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13071 (print_reg): Abort on FRAME_POINTER_REGNUM
13073 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13075 * i386.h (PREDICATE_CODES): Add aligned_operand.
13076 * i386.c (aligned_operand): New function.
13077 (ix86_aligned_p): Kill.
13078 * i386.md (movhi_1): Emit mov for aligned operands.
13079 (promoting peep2s): Use aligned_operand.
13081 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13083 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13084 expression to allow underscores in macro names.
13085 (fix_char_macro_defines): Increment scanning pointer.
13087 2000-01-23 Richard Henderson <rth@cygnus.com>
13089 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13090 * alpha/osf5.h: New file.
13091 * configure.in (alpha-*-osf5): Add it to tm_file.
13093 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13095 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13096 (alpha_emit_xfloating_cvt, function_arg): Declare.
13097 * alpha.c (alpha_emit_conditional_branch): Call
13098 alpha_emit_xfloating_compare for TFmode compares.
13099 (alpha_lookup_xfloating_lib_func): New.
13100 (alpha_compute_xfloating_mode_arg): New.
13101 (alpha_emit_xfloating_libcall): New.
13102 (alpha_emit_xfloating_arith): New.
13103 (alpha_emit_xfloating_compare): New.
13104 (alpha_emit_xfloating_cvt): New.
13105 (print_operand): Add default abort case.
13106 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13107 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13108 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13109 (RETURN_IN_MEMORY): True for TF/TCmode.
13110 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13111 (FUNCTION_ARG): Move to function_arg.
13112 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13113 (ASM_OUTPUT_LONG_DOUBLE): New.
13114 (ASM_OUTPUT_DOUBLE): Always output bits.
13115 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13116 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13117 (extenddftf2, trunctfdf2): New.
13119 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13121 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13122 * config/sparc/sol2.h: ... here.
13124 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13126 * basic-block.h (struct loops): New field `levels'.
13127 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13128 (flow_loop_level_compute): Initialise level to 1.
13129 (flow_loops_find): Set loops->levels.
13130 (flow_loops_dump): Print loops->levels.
13132 2000-01-23 Richard Henderson <rth@cygnus.com>
13134 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13135 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13137 2000-01-23 Richard Henderson <rth@cygnus.com>
13139 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13140 * i386.h (DBX_REGISTER_NUMBER): Use them.
13141 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13142 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13143 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13144 * i386/sequent.h: Kill incorrect comment.
13146 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13148 * ggc-page.c (struct page_entry): Make `context_depth' an
13150 (struct globals): Likewise.
13152 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13154 * loop.c (check_dbra_loop): When checking a loop for
13155 reversability, check the source of any stores to ensure
13156 they don't depend on an initial value.
13158 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13160 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13162 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13164 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13165 'pz_scan' into scope of entire function. Only affects
13166 compiles with -DDEBUG.
13168 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13170 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13171 section naming to that prior to 2000-01-07 patch.
13172 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13173 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13174 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13175 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13176 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13178 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13180 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13183 2000-01-21 Jim Wilson <wilson@cygnus.com>
13185 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13186 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13188 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13190 * cpphash.c (change_newlines): Delete function.
13191 (struct argdata): Delete 'newlines' and 'use_count' fields.
13192 (macroexpand): Remove code referencing those fields.
13194 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13196 * loop.c (loops_info): New variable.
13197 (loop_optimize): Allocate loops->array and free it on exit.
13198 Allocate memory for loops_info and assign to each loop,
13200 (find_and_verify_loops): Do not allocate loops->array.
13202 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13204 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13206 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13208 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13209 pseudos if expanded after first flow.
13210 (movdi_pic_label_ref): Likewise.
13212 2000-01-20 Richard Henderson <rth@cygnus.com>
13214 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13216 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13218 * Makefile.in (fixinc.sh): Depend on specs.
13219 * fixinc/Makefile.in: Add rule to create machname.h.
13220 (fixlib.o): Depend on machname.h.
13221 * fixinc/fixtests.c (machine_name): New test.
13222 * fixinc/fixfixes.c (machine_name): New fix.
13223 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13224 the machine_name test and fix.
13225 * fixinc/fixlib.h: Prototype it.
13226 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13227 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13229 * gcc.c (do_spec_1) [case P]: Take care not to create
13230 identifiers with three leading or trailing underscores.
13232 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13233 (fixincl): Don't specify libraries twice on link line.
13234 (gnu-regex.o): Remove special rule.
13235 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13236 defined by config.h. Do not define _REGEX_RE_COMP.
13237 (regcomp): Allocate and initialize a fastmap.
13238 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13240 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13242 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13244 2000-01-19 Richard Henderson <rth@cygnus.com>
13246 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13247 arguments with BB. Update all callers. Tidy line wrapping.
13249 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13251 * emit-rtl.c (try_split): Return last_insn if we split the
13254 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13256 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13257 (ix86_initial_elimination_offset): Declare.
13258 * i386.c (ix86_nsaved_regs): Break out from ...
13259 (ix86_can_use_return_insn_p): ... here.
13260 (ix86_emit_save_regs): Break out from ...
13261 (ix86_expand_prologue): ... here.
13262 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13264 (ix86_expand_epilogue): ... here.
13265 (ix86_compute_frame_size): Make static, add prototype.
13266 (ix86_initial_elimination_offset): Break out from ...
13267 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13269 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13271 * recog.h (OUT_FCN): Delete.
13273 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13275 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13277 * cppalloc.c: PROTO -> PARAMS.
13278 * cpperror.c: Likewise.
13279 * cppfiles.c: Likewise.
13280 * cpplib.c: Likewise.
13281 * cpplib.h: Likewise.
13283 * config/arm/arm-protos.h: PROTO -> PARAMS.
13284 * config/arm/arm.c: Likewise.
13285 * config/c4x/c4x.c: Likewise.
13286 * config/fr30/fr30-protos.h: Likewise.
13287 * config/nextstep.c: Likewise.
13288 * config/pa/pa.c: Likewise.
13289 * config/pj/pj.c: Likewise.
13290 * config/rs6000/rs6000.c: Likewise.
13291 * config/v850/v850-protos.h: Likewise.
13292 * config/v850/v850.c: Likewise.
13294 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13296 * i370-protos.h: New file.
13298 * i370.c: Include tm_p.h. Fix compile time warnings.
13300 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13303 * i370.md: Likewise.
13305 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13307 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13308 (target_isinf, target_isnan, eisnan): Mark parameter with
13310 (eiisinf): Wrap in INFINITY.
13311 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13312 (ibmtoe): Remove unused variable `rndsav'.
13314 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13316 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13317 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13319 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13321 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13322 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13323 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13325 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13326 Recognize Emacs mode markers also.
13327 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13328 C++ comments in C++ headers. Call is_cxx_header only if
13331 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13332 bypass for ncurses.
13333 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13334 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13335 ... these, which use the new C fixes.
13336 (math_exception): Escape literal '+' in bypass expression.
13338 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13341 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13343 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13346 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13348 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13349 prior to calling scan_loop.
13351 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13353 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13354 (split_branches, calc_live_regs): Likewise.
13356 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13358 * sh.md (fpu_single, fp_mode): New attributes.
13360 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13362 * loop.c (current_loop_info): Renamed from loop_info_data
13363 and changed to a pointer.
13364 (loop_optimize): Allocate loop_info structure for each loop
13365 and initialise to zero.
13366 (scan_loop): Set current_loop_info.
13368 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13371 2000-01-19 Richard Henderson <rth@cygnus.com>
13373 * stupid.c: Die die die.
13374 * Makefile.in (OBJS): Remove stupid.o.
13375 (stupid.o): Likewise.
13377 * except.c (emit_eh_context): Don't emit USEs for stupid.
13378 * explow.c (probe_stack_range): Likewise.
13379 * flags.h (obey_regdecls): Remove.
13380 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13381 when not optimizing.
13382 (life_analysis): Limit data collection when not optimizing.
13383 (mark_regs_live_at_end): Always mark the return value registers.
13384 (mark_used_regs): Remove dummy RETURN case.
13385 (print_rtl_with_bb): Don't consult obey_regdecls.
13386 * function.c (use_variable, use_variable_after): Remove.
13387 (assign_parms): Consult optimize not obey_regdecls.
13388 (expand_function_start): Don't emit USEs for stupid.
13389 (expand_function_end): Likewise.
13390 * global.c (build_insn_chain): Export.
13391 * integrate.c (expand_inline_function): Kill return-value USE
13393 * jump.c (jump_optimize_1): Do simple jump optimizations and
13394 dead code elimination.
13395 (calculate_can_reach_end): Remove check_deleted argument.
13396 (delete_insn): Patch out insns even when not optimizing.
13397 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13398 * rtl.h (use_variable, use_variable_after): Remove declarations.
13399 (build_insn_chain): Declare.
13400 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13401 (expand_end_bindings): Likewise.
13402 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13403 * toplev.c (obey_regdecls): Remove.
13404 (rest_of_compilation): Don't set it. Kill stupid in favour of
13405 flow1, local-alloc, and reload.
13406 (main): Don't set obey_regdecls.
13408 * config/nextstep.c (handle_pragma): Likewise.
13410 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13412 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13414 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13416 * alpha-protos.h: PROTO -> PARAMS.
13417 * alpha.c: Likewise.
13419 * h8300.c: Likewise.
13420 * i386-protos.h: Likewise.
13421 * i386.c: Likewise.
13422 * m32r-protos.h: Likewise.
13423 * m32r.c: Likewise.
13424 * mips.c: Likewise.
13425 * mips.md: Likewise.
13426 * gmon-sol2.c: Likewise.
13427 * sparc.c: Likewise.
13429 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13431 * ns32k-protos.h: New file.
13433 * ns32k.c: Fix compile time warnings.
13435 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13438 * ns32k.md: Likewise.
13440 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13442 * vax-protos.h: New file.
13444 * vax.c: Fix compile time warnings.
13446 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13449 * vax.md: Likewise.
13451 * vaxv.md: Likewise.
13453 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13455 * romp-protos.h: New file.
13457 * romp.c: Fix compile time warnings.
13459 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13462 * romp.md: Likewise.
13464 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13466 * we32k-protos.h: New file.
13468 * we32k.c: Fix compile time warnings.
13470 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13473 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13475 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13477 * except.c (eh_regs): Likewise.
13479 * final.c (output_operand): Likewise.
13481 * fold-const.c (target_isinf, target_isnan): Likewise.
13483 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13485 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13486 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13488 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13489 when optimize_size.
13490 (clrstrsi): Rewrite.
13491 (strsethi, strsetqi): New expanders.
13492 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13493 (cmpstrsi): Emit compare insn before cmpstrsi_1
13494 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13495 (strlensi_1): Likewise.
13496 (cmpstrsi_1): Likewise; do not output compare.
13497 (strlen expander): Do not unroll when optimizing for size.
13498 (*subsi3_carry): Rename to subsi3_carry
13499 (addqi3_cc): New pattern.
13500 * i386.h (processor_costs): Add move_ratio field.
13501 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13502 * i386.c (*_cost): Set move_ratio.
13503 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13504 (x86_expand_strlensi_1): Rewrite the main loop.
13506 2000-01-17 Richard Henderson <rth@cygnus.com>
13508 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13509 * cse.c (find_comparison_args, fold_rtx): Likewise.
13510 * integrate.c (subst_constants): Likewise.
13511 * loop.c (get_condition): Likewise.
13513 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13515 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13517 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13519 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13520 (RESTORE_WARN_FLAGS): Unpack it.
13521 Change semantic type of extension to ttype.
13522 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13523 * c-parse.y, c-parse.c, objc/objc-parse.y,
13524 objc/objc-parse.c: Regenerate.
13526 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13528 * fixinc/fixlib.c: Add copyright notice.
13529 (compile_re): New function.
13530 * fixinc/fixlib.h: Prototype compile_re.
13532 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13533 Use compile_re to compile regular expressions.
13535 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13536 where the pattern matched.
13538 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13540 (ultrix_ansi_compat): Likewise.
13541 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13543 (interactv_add2, interactv_add3): Delete.
13544 (x11_sprintf): Don't use filename glob.
13545 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13548 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13550 * print-rtl.c: PROTO -> PARAMS.
13551 * real.c: Likewise.
13552 * reg-stack.c: Likewise.
13553 * resource.c: Likewise.
13554 * sdbout.h: Likewise.
13555 * simplify-rtx.c: Likewise.
13556 * stor-layout.c: Likewise.
13557 * stupid.c: Likewise.
13558 * xcoffout.c: Likewise.
13559 * xcoffout.h: Likewise.
13561 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13563 * toplev.c: PROTO -> PARAMS.
13564 * toplev.h: Likewise.
13565 * tree.c: Likewise.
13566 * tree.h: Likewise.
13567 * unroll.c: Likewise.
13568 * varasm.c: Likewise.
13569 * varray.c: Likewise.
13570 * varray.h: Likewise.
13572 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13574 * reload.c: PROTO -> PARAMS.
13575 * reload.h: Likewise.
13576 * reload1.c: Likewise.
13577 * reorg.c: Likewise.
13578 * resource.h: Likewise.
13581 * rtlanal.c: Likewise.
13582 * sbitmap.h: Likewise.
13583 * sdbout.c: Likewise.
13584 * stack.h: Likewise.
13585 * stmt.c: Likewise.
13586 * system.h: Likewise.
13588 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13590 * machmode.h: PROTO -> PARAMS.
13591 * mbchar.h: Likewise.
13592 * mips-tdump.c: Likewise.
13593 * mips-tfile.c: Likewise.
13594 * optabs.c: Likewise.
13595 * output.h: Likewise.
13596 * prefix.c: Likewise.
13597 * profile.c: Likewise.
13598 * protoize.c: Likewise.
13599 * real.h: Likewise.
13600 * recog.c: Likewise.
13601 * recog.h: Likewise.
13602 * regclass.c: Likewise.
13603 * regmove.c: Likewise.
13604 * regs.h: Likewise.
13606 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13608 * ggc-common.c: PROTO -> PARAMS.
13609 * ggc-page.c: Likewise.
13610 * ggc-simple.c: Likewise.
13612 * global.c: Likewise.
13613 * graph.c: Likewise.
13614 * gthr-win32.h: Likewise.
13615 * haifa-sched.c: Likewise.
13616 * halfpic.h: Likewise.
13617 * integrate.c: Likewise.
13618 * integrate.h: Likewise.
13619 * jump.c: Likewise.
13621 * local-alloc.c: Likewise.
13622 * loop.c: Likewise.
13623 * loop.h: Likewise.
13625 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13627 * genattr.c: PROTO -> PARAMS.
13628 * genattrtab.c: Likewise.
13629 * gencheck.c: Likewise.
13630 * gencodes.c: Likewise.
13631 * genconfig.c: Likewise.
13632 * genemit.c: Likewise.
13633 * genextract.c: Likewise.
13634 * genflags.c: Likewise.
13635 * gengenrtl.c: Likewise.
13636 * genopinit.c: Likewise.
13637 * genoutput.c: Likewise.
13638 * genpeep.c: Likewise.
13639 * genrecog.c: Likewise.
13641 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13643 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13645 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13647 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13648 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13649 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13650 * configure, config.in: Rebuilt.
13652 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13654 * config/i386/i386.md: Add peephole to merge successive stack
13657 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13659 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13660 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13661 when walking backwards to find all the parameter loads when
13662 the basic block ends in a call.
13664 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13666 * loop.c (this_loop_info): Delete.
13667 (uid_loop): Add in place of uid_loop_num. All uses updated.
13668 (loop_number_exit_count): Delete and replace with entry in loop
13669 structure. All uses updated.
13670 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13671 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13672 (loop_outer_loop): Likewise.
13673 (loop_invalid, loop_number_exit_labels): Likewise.
13674 (loop_used_count_register): Delete and replace with entry in
13675 loop_info structure.
13676 (find_and_verify_loops): Add loops argument.
13677 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13678 loop_end, etc. arguments with loop structure pointer. All callers
13680 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13681 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13682 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13683 (insert_bct): Likewise.
13684 (basic_induction_var): New argument level.
13685 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13686 vtop, and cont. Add used_count_register.
13687 (uid_loop): Delete declaration.
13688 (loop_number_exit_count): Likewise.
13689 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13690 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13691 (loop_outer_loop, loop_used_count_register): Likewise.
13692 (loop_invalid, loop_number_exit_labels): Likewise.
13693 (unroll_loop): Replace loop_start and loop_end arguments
13694 with loop structure pointer.
13695 (loop_precondition_p, loop_iterations): Likewise.
13696 Include basic-block.h.
13697 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13698 with loop structure pointer.
13699 (loop_precondition_p, loop_iterations): Likewise.
13700 * basic-block.h (struct loop): New entries vtop, cont,
13701 cont_dominator, start, end, top, scan_start, exit_labels,
13703 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13705 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13707 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13709 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13711 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13713 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13715 * pdp11-protos.h: New file.
13717 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13720 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13723 * pdp11.md: Likewise.
13725 * 2bsd.h: Likewise.
13727 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13729 * mn10300-protos.h: New file.
13731 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13734 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13737 * mn10300.md: Likewise.
13739 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13741 * mn10200-protos.h: New file.
13743 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13746 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13749 * mn10200.md: Likewise.
13751 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13753 * h8300-protos.h: New file.
13755 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13758 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13761 * h8300.md: Likewise.
13763 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13765 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13766 (asm_emit_uninitialised): Likewise.
13768 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13770 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13771 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13773 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13775 * config/mips/mips.c (override_options): Don't turn on extra
13776 alignment for mips16.
13778 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13780 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13781 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13784 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13786 * builtins.c (PAD_VARARGS_DOWN): Define.
13787 (std_expand_builtin_va_arg): Use the above macro.
13788 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13789 * tm.texi (Register Arguments): Document the above macro.
13791 2000-01-14 Nick Clifton <nickc@cygnus.com>
13793 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13794 that this function has not been used to emit a jump
13797 * jump.c (return_jump_1): Cope with being passed a null rtx.
13799 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13801 * eh-common.h: PROTO -> PARAMS.
13802 * emit-rtl.c: Likewise.
13803 * errors.c: Likewise.
13804 * errors.h: Likewise.
13805 * except.c: Likewise.
13806 * except.h: Likewise.
13807 * explow.c: Likewise.
13808 * expmed.c: Likewise.
13809 * expr.c: Likewise.
13810 * expr.h: Likewise.
13811 * final.c: Likewise.
13812 * fix-header.c: Likewise.
13813 * flow.c: Likewise.
13814 * fold-const.c: Likewise.
13815 * function.c: Likewise.
13816 * function.h: Likewise.
13818 * gcov-io.h: Likewise.
13819 * gcov.c: Likewise.
13820 * gcse.c: Likewise.
13822 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13824 * sh-protos.h: New file.
13826 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13827 Add static prototypes. Fix compile time warnings.
13829 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13833 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13835 * arc-protos.h: New file.
13837 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13840 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13843 * arc.md: Likewise.
13845 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13847 * dsp16xx-protos.h: New file.
13849 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13852 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13855 * dsp16xx.md: Likewise.
13857 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13859 * convex-protos.h: New file.
13861 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13864 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13867 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13869 * elxsi-protos.h: New file.
13871 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13874 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13877 * elxsi.md: Likewise.
13879 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13881 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13882 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13883 match the comment for MIPS16.
13885 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13887 * flow.c (split_edge): Do not call set_block_for_insn if we
13888 do not have a basic_block_for_insn structure.
13890 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13891 and destination functions are 32bit aligned within the trampoline.
13892 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13893 (TRAMPOLINE_ALIGNMENT): Define.
13895 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13896 (set (pc) (label_ref)), verify the change creates a valid insn.
13898 * fr30.c (call_operand): Tighten and rework to match rules for
13899 call RTL expressions.
13900 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13901 * fr30.md (call patterns): Improve constraints.
13903 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13905 * fr30.c (fr30_expand_epilogue): Revert last change.
13906 Use emit_jump_insn for the return insn.
13908 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13909 Stan Cox <scox@cygnus.com>
13911 * predict.c: New file. Preliminary infrastructure work for static
13912 branch prediction and basic block reordering.
13913 * basic-block.h: Add prototype for estimate_probability.
13914 * Makefile.in: Add rules for predict.o.
13916 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13918 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13919 * fixinc/*: Likewise.
13921 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13923 * cccp.c: PROTO -> PARAMS.
13924 * cexp.y: Likewise.
13925 * collect2.c: Likewise.
13926 * combine.c: Likewise.
13927 * convert.h: Likewise.
13929 * dbxout.c: Likewise.
13930 * dbxout.h: Likewise.
13931 * diagnostic.c: Likewise.
13932 * doprint.c: Likewise.
13933 * dwarf2out.c: Likewise.
13934 * dwarf2out.h: Likewise.
13935 * dwarfout.c: Likewise.
13936 * dwarfout.h: Likewise.
13937 * dyn-string.h: Likewise.
13939 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13941 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13942 macro conditionals guarding use.
13944 * dwarf2out.c: Include "tm_p.h".
13946 * function.c (locate_and_pad_parm): Mark parameter with
13948 (expand_function_end): Likewise for variable `context'.
13950 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13952 2000-01-13 Nick Clifton <nickc@cygnus.com>
13954 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13955 register to prevent compile time warnings.
13957 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13959 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13960 to avoid -Wtraditional warning.
13962 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13964 * 1750a-protos.h: New file.
13966 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13969 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13972 * 1750a.md: Likewise.
13974 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13976 * a29k-protos.h: New file.
13978 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13981 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
13984 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13986 * clipper-protos.h: New file.
13988 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
13991 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
13994 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13996 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
13998 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14000 * configure.in (--enable-new-gxx-abi): New option.
14001 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14002 * Makefile.in (GXX_ABI_FLAG): New variable.
14003 * configure: Regenerate.
14005 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14007 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14008 * tm.texi (FORCE_STRUCT_BLK): Document.
14009 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14011 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14013 * config/ns32k/ns32k.md: Revert Jan 9 change.
14015 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14016 to a mode-test, if the predicate is address_operand.
14018 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14020 * combine.c (if_then_else_cond): Be careful about what kinds
14021 of RTL expressions are passed to operand_subword.
14023 * flow.c (split_edge): If we have to insert a new jump, make
14024 sure to associate it with a basic block.
14026 * flow.c (commit_one_edge_insertion): A block with one successor
14027 can end in a JUMP_INSN that is not a simplejump.
14029 2000-01-12 Robert Lipe <robertl@sco.com>
14031 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14032 (BUILD_VA_LIST_TYPE): Define.
14033 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14036 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14038 * cccp.c (do_pragma): Add cast to (char *).
14040 2000-01-12 Richard Henderson <rth@cygnus.com>
14041 Fred Fish <fnf@be.com>
14042 Jason Merrill <jason@cygnus.com>
14044 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14045 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14046 * i386/beos-elf.h, i386/beos-pe.h: New files.
14048 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14049 * cross-make (SYSTEM_HEADER_DIR): Define using
14050 CROSS_SYSTEM_HEADER_DIR.
14052 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14053 (process_command): Use it.
14054 (main): Likewise. Kill trailing = from env vars.
14055 (build_search_list): Put it back.
14056 * collect2.c (main): Use LIBRARY_PATH_ENV.
14058 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14059 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14061 * tm.texi (Frame Layout): Document SMALL_STACK.
14062 * c-common.c (c_common_nodes_and_builtins): Check it.
14064 * system.h: Undef alloca after including glibc's <stdlib.h>,
14065 if USE_C_ALLOCA is defined.
14067 * gcc.c (set_input): New fn.
14068 (main): After all input files are compiled, reset the input file
14071 * aclocal.m4 (rindex, index): If already defined, don't attempt
14074 * ginclude/varargs.h: (__va_list__): Define ifndef.
14075 * ginclude/stdarg.h: Likewise.
14077 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14078 instead of unsigned char.
14080 * hash.h (true, false, boolean): Undef before enum.
14082 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14083 proper type of "HOST_WIDE_INT *", rather than their natural type of
14084 "unsigned HOST_WIDE_INT *".
14086 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14088 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14090 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14092 * regclass.c (choose_hard_reg_mode): Likewise.
14094 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14096 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14098 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14100 * c-common.c: PROTO -> PARAMS.
14101 * c-common.h: Likewise.
14102 * c-decl.c: Likewise.
14103 * c-iterate.c: Likewise.
14104 * c-lang.c: Likewise.
14105 * c-lex.c: Likewise.
14106 * c-lex.h: Likewise.
14107 * c-parse.in: Likewise.
14108 * c-pragma.c: Likewise.
14109 * c-pragma.h: Likewise.
14110 * c-tree.h: Likewise.
14111 * c-typeck.c: Likewise.
14112 * objc/objc-act.c: Likewise.
14113 * objc/objc-act.h: Likewise.
14115 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14117 * m88k-protos.h: New file.
14119 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14122 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14124 * m88k.md: Likewise.
14126 * tekXD88.h: Likewise.
14128 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14130 * m68k-protos.h: New file.
14132 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14135 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14137 * mot3300.h: Likewise.
14139 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14141 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14143 (extract_bitlist): Declare bitlen.
14145 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14147 * cccp.c: Accept and ignore -lang-fortran.
14149 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14150 qualifiers don't match at any level of pointerness.
14152 2000-01-12 Robert Lipe <robertl@sco.com>
14154 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14156 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14158 * reload1.c (reload_reg_unavailable): New static variable.
14159 (reload_reg_free_p): Test it.
14160 (reload_reg_free_for_value_p): Test it instead of
14162 (choose_reload_regs_init): Compute it.
14164 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14166 * reorg.c (fill_slots_from_thread): Check modified_in_p
14169 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14171 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14172 these nodes even if INTERNALS is not set.
14174 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14176 * gcse.c (delete_null_pointer_checks_1): Cope when
14177 get_condition cannot determine the condition.
14179 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14181 * toplev.h (set_message_length): Declare.
14183 * diagnostic.c (obstack_chunk_alloc): Define macro.
14184 (obstack_chunk_free): Likewise.
14185 (struct output_buffer): New data structure.
14186 (vmessage): Remove.
14187 (output_maximum_width): New variable.
14188 (doing_line_wrapping, set_message_length, init_output_buffer,
14189 get_output_prefix, output_space_left, emit_output_prefix,
14190 output_newline, output_append, output_puts, dump_output,
14191 vbuild_message_string, build_message_string, build_location_prefix,
14192 voutput_notice, output_printf, line_wrapper_printf,
14193 vline_wrapper_message_with_location): New functions. Implement
14194 automatic line wrapping.
14195 (v_message_with_decl): Make it handle automatic line wrapping.
14196 (v_error_with_file_and_line): Likewise.
14197 (v_warning_with_file_and_line): Likewise.
14198 (announce_function): Likewise.
14199 (default_print_error_function): Likewise.
14201 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14203 * cpplib.h (struct cpp_options): Change lang_asm to char.
14205 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14206 done in cpp_handle_option now.
14207 (initialize_builtins): Take out special case code used only by
14209 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14210 if -traditional. Recognize -lang-fortran and set
14211 lang_fortran, also turn off cplusplus_comments.
14212 (print_help): Document -lang-fortran.
14213 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14214 lang_asm. Ignore all directives other than `# 123 "file"' if
14216 (cpp_get_token): If -traditional, don't recognize directives
14217 unless the # is in column 1.
14218 (parse_string): If lang_fortran or lang_asm, silently
14219 terminate strings ('' or "") at end of line.
14220 Remove unnecessary braces.
14222 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14223 Richard Henderson <rth@cygnus.com>
14225 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14227 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14228 strict_low_part when possible.
14230 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14232 * alias.c: PROTO -> PARAMS.
14233 * basic-block.h: Likewise.
14234 * bitmap.c: Likewise.
14235 * bitmap.h: Likewise.
14236 * builtins.c: Likewise.
14237 * c-aux-info.c: Likewise.
14238 * caller-save.c: Likewise.
14239 * calls.c: Likewise.
14241 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14243 * Makefile.in (toplev.o): Depend on regs.h.
14245 * output.h (tdesc_section): Prototype.
14247 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14249 * sdbout.c: Include "tm_p.h".
14251 * toplev.c: Include "regs.h".
14253 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14255 * unroll.c (unroll_loop): Add EH support.
14257 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14259 * pa-protos.h: New file.
14261 * pa.c: Include recog.h and tm_p.h.
14262 (compute_zdepwi_operands, compute_movstrsi_length,
14263 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14264 find_addr_reg, import_milli): Add static prototypes.
14265 (pa_cpu_string, pa_arch_string): Constify a char*.
14266 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14267 (read_only_operand): Add argument `mode'.
14268 (singlemove_string, output_move_double, output_fp_move_double,
14269 output_block_move, output_and, output_ior, output_ascii,
14270 remove_useless_addtr_insns, milli_names, output_mul_insn,
14271 output_div_insn, output_mod_insn, output_arg_descriptor,
14272 output_cbranch, output_bb, output_bvb, output_dbra, ,
14273 output_millicode_call, output_call, hppa_encode_label,
14274 output_parallel_movb, output_parallel_addb): Constify a char*.
14275 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14276 (output_parallel_addb): Remove extra arg to `constrain_operands'
14278 * pa.h: Move all prototypes to pa-protos.h.
14279 (pa_cpu_string, pa_arch_string): Constify a char*.
14280 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14282 * pa.md: Call `function_label_operand' with mode argument.
14283 Likewise for `read_only_operand'.
14284 Fix nesting of parens in call to `symbolic_operand'.
14286 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14288 * i860-protos.h: New file.
14290 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14293 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14295 * i860.md: Likewise.
14297 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14299 * i386.md (movstrsi expander): Rewrite.
14300 (movstrsi_1 insn): Deleted.
14301 (strmovhi, strmovqi expander): New expanders.
14302 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14303 * i386.c (x86_single_stringop): New global variable.
14304 * i386.h (x86_single_stringop): Declare.
14305 (TARGET_SINGLE_STRINGOP): New macro.
14307 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14309 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14310 integer vararg POSTINCREMENT before the destination of the jump
14311 for the hard fp case.
14312 (function_arg_pass_by_reference): Pass a copy of CUM to
14315 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14316 for CONSTANT_ADDRESS_P above while loop for subreg.
14318 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14320 * flow.c (propagate_block): When a prologue/epilogue insn
14321 is marked dead, unconditionally clear libcall_is_dead and
14322 insn_is_dead, and only dump rtl if warnings aren't being
14325 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14327 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14328 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14329 (FIXED_REGISTERS): Set dirflag as fixed.
14330 (CALL_USED_REGISTERS): Set dirflag as used.
14331 (REG_ALLOC_ORDER): Set dirflag as last one.
14332 (DIRFLAG_REG): New macro.
14333 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14334 (HI_REGISTER_NAMES): Add dirflag.
14335 (DEBUF_PRINT_REG): Handle dirflag.
14336 * i386.md (type attribute): New cld and str types.
14337 (length_opcode attribute): Set cld and str to 1.
14338 (memory attribute): Set str to unknown - it is not clear from the
14340 (pent_np function unit): Prefixed string operations takes 12 cycles
14341 minimally; cld takes 2 cycles.
14342 (ppro_uops attribute): Str is "many" and cld is "few".
14343 (ppro_p0 unit): Handle cld here.
14344 (k6_alux unit): Handle cld and str types.
14345 (k6_load unit): It is ocupied by str opcodes.
14346 (k6_store unit): It is ocupied by str opcodes.
14347 (athlon_decode): Str is vector decoded.
14348 (athlon_ieu): Handle str and cld.
14349 (cld pattern): New.
14350 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14351 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14352 cmpstrsi_nz_1 insn): Do not output cld instruction
14354 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14356 * gcc.texi (G++ and GCC): Add Java and Chill.
14357 (Bug Critera): Don't list languages.
14359 * gcc.texi (Incompatibilities): No longer claim most C compilers
14362 * gcc.texi (G++ and GCC): Update other front-ends list.
14364 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14366 * i386.c (ix86_expand_setcc): Fix typo.
14367 (ix86_expand_movcc): Similarly.
14369 * Band-aid until haifa's bitset implementation is nuked.
14370 * haifa-sched.c (extract_bitlst): New parameter for size of the
14371 bitset in bits. All callers changed. Avoid looking at undefined
14372 bits in the bitset.
14373 (edgeset_bitsize): New variable.
14374 (schedule_region): Initialize edgeset_bitsize.
14376 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14378 * Makefile.in (optabs.o): Depend on real.h
14379 (resource.o): Depend on insn-attr.h
14381 * builtins.c (result_vector): Wrap prototype in macro conditions
14382 governing definition and use.
14384 * c-common.c: Include tm_p.h.
14386 * c-lex.c: Likewise.
14388 * elfos.h: Constify a char*.
14390 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14391 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14392 parameter with ATTRIBUTE_UNUSED.
14394 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14397 * haifa-sched.c (schedule_insns): Mark parameter with
14400 * optabs.c: Include real.h.
14402 * real.h (ereal_atof): Add prototype arguments.
14404 * resource.c: Include insn-attr.h.
14406 * sdbout.c (sdbout_queue_anonymous_type,
14407 sdbout_dequeue_anonymous_types): Wrap in macro
14408 SDB_ALLOW_FORWARD_REFERENCES.
14409 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14412 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14414 * stupid.c: Include tm_p.h.
14416 * tree.c (real_value_from_int_cst): Mark parameter with
14419 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14421 * i960-protos.h: New file.
14423 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14426 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14428 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14430 * combine.c (expand_field_assignment): Do not discard SUBREGs
14431 while computing nonzero_bits.
14433 2000-01-09 Nick Clifton <nickc@cygnus.com>
14435 * config/arm/arm.c: Fix compile time warnings about signed vs
14436 unsigned constants.
14437 * config/arm/arm.h: Fix compile time warnings about signed vs
14438 unsigned constants.
14440 2000-01-09 Philip Blundell <philb@gnu.org>
14442 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14443 than `ldm' with only one register.
14444 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14447 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14450 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14452 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14455 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14457 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14458 assignment used as truth value.
14460 * function.c (assign_temp): Mark parameter `dont_promote' with
14461 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14462 PROMOTE_FOR_CALL_ONLY.
14464 * genrecog.c (write_subroutine): Mark variable `operands' with
14467 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14470 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14471 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14473 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14476 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14478 * config/c4x.h: Tidy up comments.
14479 * config/c4x.c: Likewise.
14481 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14483 * fold-const.c (lshift_double, rshift_double): Handle
14484 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14486 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14488 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14489 in prepare_function_start().
14491 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14493 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14494 longer allocate extra stack for function calls.
14496 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14498 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14500 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14502 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14504 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14506 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14507 * aix43.h: Revert Aug 2 change.
14508 (HAS_INIT_SECTION): Define, not visible yet.
14509 (LD_INIT_SWITCH): Define, not visible yet.
14510 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14512 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14514 * collect2.c (main): Expand ld2 size further.
14515 (export_object_lst): Cast assignment to avoid warning.
14516 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14517 (scan_prog_file, COFF): Do not collect initialization or
14518 finalization functions generated for entire shared object if
14519 init/fini support present.
14521 2000-01-07 Nick Clifton <nickc@cygnus.com>
14523 * config/elfos.h: Tidy up formatting of marcos. Make sure
14524 that .section directives are always prefixed by a tab.
14526 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14529 2000-01-07 Matt Austern <austern@sgi.com>
14531 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14534 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14536 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14538 (crtbegin.o, s-crtS): Likewise.
14540 2000-01-06 Richard Henderson <rth@cygnus.com>
14542 * alpha.md (adddi_2+1): Limit offset such that it will be
14543 loadable with a single ldah+lda pair.
14544 (adddi_2+2): Explicitly fail split if we can't make it work.
14546 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14548 * protoize.c: Conditionally include unistd.h.
14549 (IS_SAME_PATH_CHAR): New macro.
14550 (IS_SAME_PATH): New macro.
14551 (CPLUS_FILE_SUFFIX): New macro.
14552 (cplus_suffix): New static variable.
14553 (is_abspath): New static function.
14554 (in_system_include_dir): Handle DOS style pathnames.
14555 (file_could_be_converted): Likewise.
14556 (file_normally_convertible): Likewise.
14557 (directory_specified_p): Likewise.
14558 (file_excluded_p): Likewise.
14559 (abspath): Likewise.
14560 (shortpath): Likewise.
14561 (referenced_file_is_newer): Likewise.
14562 (save_def_or_dec): Likewise.
14563 (do_processing): Likewise.
14565 (edit_file): Likewise. Use rename instead of link.
14566 (rename_c_file): Likewise. Don't rename syscalls file.
14567 (munge_compile_params): Define null device for DOS based systems.
14568 (process_aux_info_file): Use binary mode if appliable.
14569 (edit_file): Likewise.
14570 * invoke.texi (Running Protoize): Document C++ suffixes used.
14572 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14573 IS_DIR_SEPARATOR macros.
14574 * collect2.c: Likewise.
14575 * cppinit.c: Likewise.
14576 * dwarf2out.c: Likewise.
14578 * gcov.c: Likewise.
14579 * prefix.c: Likewise.
14581 * toplev.c: Likewise.
14582 * system.h: And move to here.
14584 * prefix.c (update_path): Fix typo in variable name.
14586 2000-01-06 Richard Henderson <rth@cygnus.com>
14588 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14589 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14590 (count_reg_sets_1, count_reg_references): Likewise.
14591 (flow_loops_level_compute): Start counting actual loop depth at 1.
14592 (flow_loops_find): Likewise.
14593 * local-alloc.c (update_equiv_regs): Likewise.
14594 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14596 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14598 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14599 FIRST_PSEUDO_REGISTER
14600 * dwarf2out.c: Don't include frame.h
14601 * dwarfout.c: Likewise
14602 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14605 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14607 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14610 * i386.c (movsf splitter): Fix typo in my last checkin.
14612 2000-01-05 Nick Clifton <nickc@cygnus.com>
14614 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14615 own definition of this macro.
14616 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14617 flag_data_sections or UNIQUE_SECTION_P are true.
14619 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14620 unitialised data decls.
14622 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14623 being called for uninitialised data.
14625 * config/i386/interix.c (i386_pe_unique_section): Cope with
14626 being called for uninitialised data.
14628 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14629 for uninitialised data.
14631 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14632 for uninitialised data.
14634 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14635 for uninitialised data.
14637 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14638 (UNIQUE_SECTION_P): Always generate a unique section if
14639 flag_data_sections is true.
14640 (UNIQUE_SECTION): Also generate unique sections for
14641 uninitialised data.
14642 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14643 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14646 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14648 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14651 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14653 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14654 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14655 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14656 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14657 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14659 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14661 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14663 * c-decl.c (finish_enum): Simplify code to determine minimum and
14664 maximum values of the enum, and calculate the type. Remove check
14665 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14666 the DECL_INITIAL of each enumeration constant with a copy converted
14667 to the enumeration type. When updating variant types, don't bother
14668 updating the type itself.
14670 * c-typeck.c (build_binary_op): Simplify conditional expressions
14671 when weeding out spurious signed-unsigned warnings. Add new
14672 spurious warning category: if the unsigned quantity is an enum
14673 and its maximum value fits in signed_type(result_type). Update
14675 (build_conditional_expr): Warn here if one alternative is signed
14676 and the other is unsigned.
14678 2000-01-05 Nick Clifton <nickc@cygnus.com>
14680 * config/fr30/fr30.h: Remove extraneous comments.
14682 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14684 * reload1.c (choose_reload_regs): When disabling a reload, also
14685 set reload_spill_index to -1.
14687 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14689 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14691 (m68*-*-rtemself*): New target.
14692 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14693 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14694 (sparc*-*-rtemself*): New target.
14695 (sparc*-*-rtems*): Now elf not a.out.
14696 * config/i386/rtems.h: Include config/rtems.h.
14697 * config/i386/rtemself.h: Include config/rtems.h.
14698 * config/i960/rtems.h: Include config/rtems.h.
14699 * config/m68k/rtems.h: Include config/rtems.h.
14700 * config/m68k/rtemself.h: Include config/rtems.h.
14701 * config/mips/rtems64.h: Include config/rtems.h.
14702 * config/pa/rtems.h: Include config/rtems.h.
14703 * config/rs6000/rtems.h: Include config/rtems.h.
14704 * config/sh/rtems.h: Include config/rtems.h.
14705 * config/sh/rtemself.h: Include config/rtems.h.
14706 * config/sparc/rtems.h: Include config/rtems.h.
14707 * config/sparc/rtemself.h: Include config/rtems.h
14709 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14711 * final.c (shorten_branches): Correctly compute length of
14712 asms without operands.
14714 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14716 * configure.in: Add pj target.
14717 * configure: Regenerate.
14718 * config/pj: New directory.
14719 * config/pj/lib1funcs.S: New file.
14720 * config/pj/linux.h: New file.
14721 * config/pj/pj.c: New file.
14722 * config/pj/pj.md: New file.
14723 * config/pj/pjl.h: New file.
14724 * config/pj/t-pj: New file.
14725 * config/pj/xm-pj.h: New file
14727 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14729 * toplev.c (rest_of_compilation): Run shorten-branches before
14732 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14734 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14735 macros so that they're consistent with their names.
14736 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14737 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14739 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14741 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14742 modified inadvertently.
14744 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14746 * configure.in (v850*-*-rtems*): New target.
14747 * configure: Regenerate.
14748 * config/v850/rtems.h: New file.
14750 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14752 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14753 (__gthread_key_create): Likewise.
14754 (__gthread_key_dtor): Likewise.
14755 (__gthread_once): Fix logic.
14756 (__gthread_key_delete): Cast away constness.
14758 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14759 * invoke.texi: Document.
14760 * i386/mingw32.h (CPP_SPEC): Use.
14761 (LIBGCC_SPEC): Likewise.
14762 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14764 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14766 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14767 (HANDLE_PRAGMA_PACK): Undefine.
14768 (SLOW_UNALIGNED_ACCESS): Define.
14770 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14772 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14773 to default definition.
14774 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14775 (store_fixed_bit_field): Call macro with word_mode and alignment.
14776 (extract_bit_field): Call macro with relevant mode and alignment.
14777 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14778 to default definition.
14779 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14781 (move_by_pieces_ninsns): Likewise.
14782 (clear_by_pieces): Likewise.
14783 (emit_push_insn): Likewise.
14784 (store_field): Call macro with relevant mode and alignment.
14785 (expand_expr): Likewise.
14786 (expand_expr_unaligned): Likewise.
14788 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14789 (SLOW_UNALIGNED_ACCESS): Define.
14790 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14791 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14792 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14793 (toc_section): Likewise and .toc pseudo-op.
14794 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14796 (TEXT_SECTION_ASM_OP): Likewise.
14797 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14800 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14801 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14802 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14803 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14804 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14806 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14808 * regclass.c: Revert my Jan 4 change to loop cost computation.
14810 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14812 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14815 2000-01-04 Stan Cox <scox@cygnus.com>
14817 * haifa-sched.c (build_control_flow): Change unreachable simple
14818 loop test to check if current block has only one predecessor.
14819 (find_rgns): Initialize degree. Use dest as degree index, not src.
14821 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14823 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14825 * calls.c (expand_call): Likewise for
14826 `old_stack_arg_under_construction'.
14828 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14830 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14833 * gcc.c (execute): Likewise for `ut' and `st'.
14835 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14837 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14839 * jump.c (jump_optimize_1): Likewise for `temp2'.
14841 * local-alloc.c (block_alloc): Likewise for `r1'.
14843 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14845 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14846 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14848 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14851 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14852 and `goal_earlyclobber'.
14854 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14856 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14858 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14860 * unroll.c (copy_loop_body): Likewise for `copy'.
14862 * varasm.c (output_constructor): Likewise for `byte'.
14864 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14866 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14867 all FP constants for constant->reg moves.
14868 (ix86_split_to_parts): Try to convert memory address into immediate
14869 when available in the constant pool.
14870 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14872 (LEGITIMATE_CONSTANT_P): Return 1.
14873 * i386.md (pushsf): New splitter to convert constant pool memory
14874 reference to immediate.
14875 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14878 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14880 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14881 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14882 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14883 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14884 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14886 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14888 * ginclude/stdbool.h: Support compilation as C++.
14890 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14892 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14894 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14896 * regclass.c (regclass): Properly compute loop_cost. Adjust
14899 * regclass.c: Fix minor whitespace problems.
14901 2000-01-03 Anthony Green <green@cygnus.com>
14903 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14904 Restore the pic register if required.
14906 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14908 * c-common.c (format_char_info): Update comment.
14909 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14910 was recognized. Emit warning for formats new in ISO C99 only
14911 if flag_isoc9x is not set.
14913 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14915 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14917 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14919 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14920 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14921 (make_compound_operation): Choose cheaper alternative between
14922 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14924 * regclass.c (op_costs): Remove global variable.
14925 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14926 (record_operand_costs): Break out from ...
14927 (scan_one_insn): ... here.
14928 (dump_regclass): Make dumps nicer.
14929 (regclass): Dump preferrences choosed and changes done during passes.
14931 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14933 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14935 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14937 * config/sparc/sparc.c (gen_df_reg): New function.
14938 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14939 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14940 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14941 movtf_cc_reg_sp64+1): Use it.
14943 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14945 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14946 copied LABEL_DECLs.
14948 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14950 * config/i386/i386.c (ix86_expand_unary_operator): Function
14951 definition made void.
14952 (ix86_expand_binary_operator): Update outdated preceding comment.
14953 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14956 * config/i386/i386.c (override_options): Fix option-name typo.
14958 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14960 * system.h (CEIL): Define.
14961 * builtins.c (CEIL): Remove.
14962 * expmed.c (CEIL): Likewise.
14963 * expr.c (CEIL): Likewise.
14964 * stor-layout.c (CEIL): Likewise.
14966 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14968 * expr.c (store_constructor_field): Fix typo introduced with last
14971 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14973 * tree.h (BINFO_N_BASETYPES): New macro.
14975 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14977 * expmed.c (emit_store_flag): Prevent losing a pending stack
14978 adjust the same way we prevent losing queued increments.
14980 See ChangeLog.2 for earlier changes.