1 2000-05-31 Bruce Korb <bkorb@gnu.org>
3 * check.tpl: rework to use test result tree
4 * check.diff: No longer needed
5 * fixincl.x: regenerate
6 * inclhack.def: add new tests
7 * tests/base/arch/i960/archI960.h: New test result
8 * tests/base/curses.h: modified test result
10 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
12 * except.c (clear_function_eh_region): Do not free NULL.
14 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16 * flow.c (propagate_block): If block has no successors, stores to
17 frame are dead if not used.
19 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
21 * stmt (expand_end_case): Reorder conversion sequence for jump
22 table to avoid extra truncations.
24 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
26 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
27 in the block is more than just a simple conditional branch.
28 (noce_process_if_block): Similarly.
30 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
32 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
35 2000-05-30 Michael Meissner <meissner@redhat.com>
37 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
38 instructions. Treat LO_SUM operations as loading the full integer
41 2000-05-30 Richard Henderson <rth@cygnus.com>
43 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
45 2000-05-30 Richard Henderson <rth@cygnus.com>
47 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
49 2000-05-30 Bruce Korb <bkorb@gnu.org>
51 * fixinc/tests/*: Added expected result files for fixinc's make check
52 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
54 2000-05-30 Richard Henderson <rth@cygnus.com>
56 * config/alpha/alpha.md (*setne_internal): Use match_operator
57 instead of working down from insn.
59 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
61 * invoke.texi (-Wtraditional): Update WRT function macros.
63 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
65 * except.c (free_exception_table): Do not free NULL.
67 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
69 * cpplib.c (do_if): Don't save and restore only_seen_white here.
70 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
73 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
75 * flow.c (mark_used_reg): If a register is unconditionally live,
76 remove any conditional death information.
78 2000-05-29 Richard Henderson <rth@cygnus.com>
80 * final.c (current_output_insn): New.
81 (final_scan_insn): Set it.
82 * output.h: Declare it.
84 2000-05-29 Richard Henderson <rth@cygnus.com>
86 * stor-layout.c (finalize_record_size): Fix typo.
88 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
91 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
93 * cpplib.h (cpp_reader): Remove if_stack. Change
94 potential_control_macro to a cpp_hashnode *. Add skipping flag.
95 * cpphash.h (struct ihash): Change control_macro to a
96 cpp_hashnode * and shorten name to cmacro.
97 Add NEVER_REINCLUDE constant.
99 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
100 Examine the cmacro node directly, no need to call cpp_defined.
101 (_cpp_execute_include, read_include_file): Set cmacro to
102 NEVER_REINCLUDE, not U"".
103 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
104 (cpp_get_token): If pfile->skipping is true, discard text and
105 keep scanning until we hit a directive; don't expand macros.
107 * cpplib.c (struct if_stack): Remove if_succeeded, add
108 was_skipping. Change control_macro to a cpp_hashnode * and
109 shorten name to cmacro. Remove typedef IF_STACK.
110 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
111 (conditional_skip, skip_if_group,
112 consider_directive_while_skipping): Delete.
113 (push_conditional): New.
114 (_cpp_handle_directive): Don't process directives other than
115 conditionals if we are skipping.
117 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
118 Update to new scheme.
119 (validate_else): Skip rest of line here, unconditionally.
120 (_cpp_unwind_if_stack): The stack is per-buffer. Force
123 (all): Remove `scare quotes' from error messages.
125 2000-05-29 Richard Henderson <rth@cygnus.com>
127 * function.c (emit_return_into_block): New line_note arg; emit it.
128 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
129 for the close brace to accompany HAVE_return. Move all line notes
130 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
132 2000-05-29 Richard Henderson <rth@cygnus.com>
134 * longlong.h [__alpha] (count_leading_zeros): New.
135 (count_trailing_zeros): New.
136 (COUNT_LEADING_ZEROS_0): New.
138 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
139 (alpha_split_conditional_move): New.
140 * config/alpha/alpha-protos.h: Prototype them.
141 * config/alpha/alpha.h (PREDICATE_CODES): Update.
142 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
143 * config/alpha/alpha.md: Update ffs cix commentary.
145 (*nabssf2, *nabsdf2): New.
146 (*mov[qhsd]icc_internal): Use add_operand.
147 (if_then_else constant splitters): New.
148 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
149 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
151 2000-05-29 Richard Henderson <rth@cygnus.com>
153 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
154 a constant to NEG or NOT when conditions allow.
156 * combine.c (combine_simplify_rtx): Don't create an if_then_else
157 unless both args are general_operand. Don't canonicalize plus
158 to ior unless it helps.
160 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
161 instead track register_life_up_to_date. Toggle no_new_pseudos
164 2000-05-28 Geoff Keating <geoffk@cygnus.com>
166 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
167 so output_operand doesn't see them.
169 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
171 * lcm.c (make_preds_opaque): Fix comment.
172 (optimize_mode_switching): Use NORMAL_MODE instead of
173 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
174 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
175 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
176 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
177 (MODE_USES_IN_EXIT_BLOCK): Delete.
178 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
179 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
180 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
181 (MODE_NEEDED): Don't look for USE.
182 (EPILOGUE_USES): Define.
184 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
186 * mklibgcc.in (all): Variable initialised to `libgcc'.
188 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
190 * toplev.h (skip_leading_substring): New macro.
191 * toplev.c (decode_f_option): Use skip_leading_substring instead
193 (decode_W_option): Likewise.
195 2000-05-28 Nick Clifton <nickc@cygnus.com>
197 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
200 2000-05-28 Richard Henderson <rth@cygnus.com>
202 * regclass.c (record_operand_costs): Protect reg_changes_size
203 with CLASS_CANNOT_CHANGE_SIZE.
205 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
207 2000-05-28 Richard Henderson <rth@cygnus.com>
209 * function.c (diddle_return_value): A pcc-style struct return
212 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
214 * cppfiles.c: Read files in, using mmap if possible, then
215 prescan them separately.
216 (read_file, read_with_read): New functions.
217 * cpplex.c: Don't define UCHAR_MAX.
218 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
221 * cppinit.c (handle_option): Automatically define __cplusplus,
222 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
223 the respective -lang switch.
225 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
226 prototype): Move to...
227 * cpplib.h: ... here. Rename struct hashnode to struct
228 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
229 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
231 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
233 * config/rs6000/rs6000.md (movsi): Constify 'name'.
235 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
236 (class_can_change_size): New variable.
237 (reg_changes_size): New variable.
238 (init_reg_sets_1): Initialise class_can_change_size.
239 (record_operand_costs): Remove subreg_changes_size.
240 Don't pass it around. Instead update reg_changes_size.
241 (regclass): Initialise and free reg_changes_size. If a register
242 changes size, don't preference it to a class that contains
243 registers that can't change size.
244 (record_reg_classes): Don't look at subreg_changes_size.
246 2000-05-27 Richard Henderson <rth@cygnus.com>
248 * print-rtl.c (reg_names): Remove const.
249 * regclass.c (reg_names): Likewise.
250 * regs.h (reg_names): Likewise.
251 * hard-reg-set.h (reg_names): Likewise.
253 2000-05-27 Richard Henderson <rth@cygnus.com>
255 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
257 2000-05-27 Richard Henderson <rth@cygnus.com>
259 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
260 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
261 (alpha_expand_prologue): Emit prologue_mcount if needed.
262 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
263 * config/alpha/alpha.md (prologue_mcount): New.
264 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
265 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
266 * config/alpha/netbsd.h: Likewise.
268 2000-05-27 Richard Henderson <rth@cygnus.com>
270 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
271 change to config/elfos.h.
273 2000-05-27 Richard Henderson <rth@cygnus.com>
275 * Makefile.in (resource.o): Depend on except.h.
276 * except.h (output_exception_table_data): Prototype.
277 * genconfig.c (gen_peephole2): Prototype.
278 * genemit.c (main): Include ggc.h.
279 * genoutput.c: Revert parts of last change: include errors.h
280 (main): Set progname.
281 * recog.c: Include hard-reg-set.h before recog.h.
282 * resource.c: Include except.h.
284 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
286 (alpha_write_linkage): Protect with BUFSIZ.
287 (alpha_need_linkage): Update prototype.
288 * config/alpha/alpha.c (function_arg): Move VMS code here.
289 (alpha_links_base): Remove.
291 (mark_alpha_links_node, mark_alpha_links): New.
292 (alpha_write_one_linkage): New.
293 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
294 (alpha_write_linkage): Use splay_tree_foreach.
295 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
296 to get the linkage symbol.
297 (call_value_vms): Likewise.
298 * config/alpha/elf.h (output_file_directive): Remove decl.
299 (ctors_section, dtors_section): Prototype.
300 (sbss_section, sdata_section): Prototype.
301 * config/alpha/vms.h (FUNCTION_ARG): Remove.
302 (readonly_section, link_section, literals_section): Prototype.
303 (ctors_section, dtors_section): Prototype.
304 (vms_valid_decl_attribute_p): Remove decl.
305 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
307 2000-05-27 Geoff Keating <geoffk@cygnus.com>
309 * reload.c (get_secondary_mem): Don't widen floating-point modes.
311 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
312 substituting the REG in a (subreg:X (reg:Y ...)).
314 2000-05-28 Neil Booth <NeilB@earthling.net>
316 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
317 first token of a line BOL. Update EOF code for this.
318 Remove illegal directive check - it appears in the (not
319 yet committed) caller.
320 * cpplib.h (BOL): New flag.
322 2000-05-28 Neil Booth <NeilB@earthling.net>
324 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
325 (_cpp_free_toklist): No comment space to free.
326 (expand_comment_space): Remove.
327 (save_comment_space): Place the comment in the current token and
328 not in a separate comment space.
329 (_cpp_lex_line): Save comments during plain code and #define
331 * cpplib.h (struct _cpp_toklist): Remove comment space.
333 2000-05-28 Neil Booth <NeilB@earthling.net>
335 * cppexp.c (parse_assertion): Supply extra argument to
337 * cpplib.c (do_assert, do_unassert): Similarly.
338 * cpphash.h (_cpp_init_toklist) Update.
339 (_cpp_expand_token_space): New.
340 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
341 * cpplex.c (_cpp_init_toklist): New argument.
342 (parse_string2): New argument multiline_ok.
343 (spell_token): Take a const cpp_token *.
344 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
345 (SPELL_ macros): Replace with enum.
346 (expand_token_space): Replace with _cpp_expand_token_space.
348 (IS_DIRECTIVE): Update.
349 (_cpp_lex_line): Update token structure before parsing number.
350 Don't assume start at beginning of token list.
351 (save_comment): Use INIT_TOKEN_NAME.
353 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
355 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
356 -Wmissing-prototypes.
357 * configure: Regenerate.
358 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
360 * builtins.c, calls.c: Change all instances of gen_call_* or
361 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
362 * calls.c (struct_value_size_rtx): Separate definition from
363 initialization to avoid unused variable warning.
365 * genflags.c (gen_macro): New function.
366 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
367 (gen_nonproto): Delete.
368 (gen_insn): Put all insns on the same obstack.
369 (main): Generate prototypes for everything unconditionally.
371 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
372 out check for wchar_t.
373 * acconfig.h: Add template for ssize_t. Remove @TOP@.
374 * system.h: Add infrastructure for defining missing
375 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
376 definitions of UCHAR_MAX and SSIZE_MAX.
377 * configure: Regenerate.
378 * config.in: Regenerate.
380 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
381 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
383 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
384 libgcc2.a, or libgcc1.null.
386 2000-05-27 Richard Henderson <rth@cygnus.com>
388 * Makefile.in (recog.o): Don't depend on resource.h.
389 * recog.c: Don't include resource.h.
390 (recog_last_allowed_insn): Remove.
391 (recog_next_insn): Remove.
392 (struct peep2_insn_data): New.
393 (peep2_insn_data, peep2_current): New.
394 (peep2_next_insn): New.
395 (peep2_regno_dead_p, peep2_reg_dead_p): New.
396 (peep2_find_free_register): New.
397 (peephole2_optimize): Track life information by insn as we go.
398 * recog.h: Update declarations.
399 * resource.c (find_free_register, reg_dead_p): Remove.
400 * resource.h: Remove their declarations.
401 * toplev.c: Include hard-reg-set.h before recog.h.
403 * genconfig.c (max_insns_per_peep2): New.
404 (gen_peephole2): New.
406 * genemit.c (output_peephole2_scratches): Generate calls to
407 peep2_find_free_register; adjust surrounding code.
408 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
409 * genrecog.c (change_state): Don't track last_insn.
410 (write_action): Write into *_pmatch_len before accepting.
411 (write_tree): Adjust peephole2_insns and subroutines to match.
413 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
415 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
416 (hard_int_register_operand): New.
417 * config/alpha/alpha-protos.h: Declare it.
418 * config/alpha/alpha.h (PREDICATE_CODES): Update.
419 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
420 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
422 2000-05-27 Richard Henderson <rth@cygnus.com>
424 * function.c (thread_prologue_epilogue_insns): Don't move the
425 line note at the head of the chain. Only force a lineno note
426 before the end of block 0.
428 2000-05-27 Richard Henderson <rth@cygnus.com>
430 * gensupport.c (collect_insn_data): Record the maximum number
431 of alternatives, not the last seen.
433 * genoutput.c: Don't include errors.h.
434 (struct data): Add lineno member.
436 (scan_operands): Use message_with_line instead of error.
437 (validate_insn_alternatives): Likewise.
438 (gen_insn): Accept and store the pattern's line number.
439 (gen_peephole, gen_expand, gen_split): Likewise.
440 (main): Don't set progname. Pass line_no to gen_foo.
442 2000-05-27 Richard Henderson <rth@cygnus.com>
444 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
445 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
446 * config/d30v/d30v.md (attr predicable): New.
447 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
448 (andsi3*): Unify into one pattern.
449 (iorsi3*, xorsi3*): Likewise.
450 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
452 (old cond_exec patterns): Remove.
453 (define_cond_exec): New.
455 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
457 * tree.h (TREE_CODE_LENGTH): New macro.
458 * c-common.c (c_find_base_decl): Use it.
459 * expr.c (safe_from_p): Likewise.
460 * print-tree.c (print_node): Likewise.
461 * tree.c (make_node, copy_node, get_identifier): Likewie.
462 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
463 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
464 * fold-const.c (make_range): Likewise.
465 (fold): Likewise; also use first_rtl_op.
466 * c-iterate.c (collect_iterators): Use first_rtl_op.
467 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
468 Use IS_EXPR_CODE_CLASS.
469 (preexpand_calls): Likewise.
470 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
471 and TREE_CODE_LENGTH.
472 * stmt.c (warn_if_unused_value): If no operands, no unused value.
474 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
476 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
478 (movdi_internal64): Likewise.
480 * config/rs6000/rs6000.md: Correct order of operands for DImode
483 * config/rs6000/rs6000.c (boolean_or_operator): New function.
484 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
485 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
486 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
487 boolean_operator for the boolean patterns without NOTs.
489 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
490 from reg_or_u_cint_operand. Change comment and behaviour.
491 (logical_operand): Clean up, add assertion.
492 (non_logical_cint_operand): Also check for
493 reg_or_logical_cint_operand.
494 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
495 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
501 2000-05-26 Mark Mitchell <mark@codesourcery.com>
503 * tree.h (struct record_layout_info): Rename to (struct
504 record_layout_info_s).
505 * stor-layout.c (start_record_layout): Replace
506 `record_layout_info' with `record_layout_info_s'.
508 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
510 * flow.c (find_label_refs): New function.
511 (find_basic_blocks_1): Call it for each alternative of a call
514 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
516 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
519 2000-05-25 Richard Henderson <rth@cygnus.com>
521 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
522 so strict about DImode.
523 (alpha_swapped_comparison_operator): Likewise.
524 * config/alpha/alpha.md (*setne_internal): Name it. Allow
525 any integer output mode.
526 (*setcc_internal): Likewise.
527 (*setcc_swapped_internal): Likewise.
528 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
529 (*mov[qhs]icc_internal): New.
530 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
532 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
534 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
536 2000-05-25 Richard Henderson <rth@cygnus.com>
538 * bb-reorder.c (reorder_block_def): Reorder elements for size.
539 Remove add_jump; add next; replace flags with visited.
541 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
542 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
543 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
544 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
546 (reorder_index, reorder_last_visited): Remove.
547 (skip_insns_after_block): Rewrite to use a switch.
548 (get_common_dest): Remove.
549 (chain_reorder_blocks): Remove.
550 (record_effective_endpoints): Split out from reorder_basic_blocks.
551 (make_reorder_chain): Likewise. Loop until all blocks are placed.
552 (make_reorder_chain_1): Renamed from old make_reorder_chain.
553 Only construct the reorder chain, do not move insns. Try harder
555 (label_for_bb, emit_jump_to_block_after): New.
556 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
557 and adjust the jump insns appropriately. Fixup basic_block_info.
558 (verify_insn_chain): Always define.
559 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
561 (make_new_scope): Don't write zeros to calloc'd space.
562 (build_scope_forest): Rely on xrealloc to DTRT.
563 (reorder_basic_blocks): Don't build loop nest. Don't fail if
564 profile_arc_flag. Streamline EH test.
566 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
567 * basic-block.h: Declare them.
569 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
571 * emit-rtl.c (reset_used_decls): New function.
572 (unshare_all_rtl_again): Call it.
574 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
576 * cpplex.c (maybe_macroexpand): Warn about function-like
577 macros used in non-function context, if -Wtraditional.
579 2000-05-25 Mark Mitchell <mark@codesourcery.com>
581 * recog.c (peephole2_optimize): Use INSN_P.
583 2000-05-25 Richard Henderson <rth@cygnus.com>
585 * ifcvt.c (seq_contains_jump): New.
586 (noce_try_store_flag_constants): Use it to fail conversion.
587 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
589 2000-05-25 Mark Mitchell <mark@codesourcery.com>
591 * except.h (can_throw): Declare it.
592 * except.c (can_throw): Give it external linkage.
593 * resource.c (find_dead_or_set_registers): Use can_throw.
595 2000-05-25 Richard Henderson <rth@cygnus.com>
597 * flow.c (mark_set_1): Don't record conditionally dead memory.
599 2000-05-25 Jan Hubicka <jh@suse.cz>
601 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
602 and pc_set at the place of simplejump_p and condjump_p.
603 * cse.c (record_jump_equiv): Likewise.
604 * emit-rtl.c (emit): Likewise.
605 * explow.c (find_next_ref): Likewise.
606 * flow.c (tidy_fallthru_edge): Likewise.
607 (init_propagate_block_info): Likewise.
608 * gcse.c (delete_null_pointer_checks): Likewise.
609 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
610 dead_or_predicable): Likewise.
611 * integrate.c (copy_insn_list): Likewise.
612 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
613 for_each_insn_in_loop, check_dbra_loop, get_condition,
614 insert_bct, load_mems): Likewise.
615 * resource.c (find_dead_or_set_registers): Likewise.
616 * sibcalls.c (simplejump_p): Likewise.
617 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
619 2000-05-25 David Edelsohn <edelsohn@gnu.org>
621 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
622 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
624 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
625 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
626 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
627 * rs6000.md: Name various internal patterns.
629 2000-05-25 Jan Hubicka <jh@suse.cz>
631 * jump.c (invert_exp_1): Remove first argument, use pc_set
632 to get the expression.
633 (redirect_exp): Make static; redirect only the pc_set expression,
634 remove first argument.
635 (invert_exp): Remove first argument, make static.
636 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
637 any_onlyjump at most places where we originaly did condjump_p
639 (jump_back_p, follow_jumps, thread_jumps): Likewise.
640 (delete_barrier_succesors): Use pc_set.
641 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
642 calls of invert_exp and redirect_exp.
643 * rtl.h (redirect_exp, invert_exp): Remove.
644 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
646 2000-05-25 Richard Henderson <rth@cygnus.com>
648 * stmt.c (expand_end_bindings): Fix thinko last change.
650 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
651 Andrew Haley <aph@cygnus.com>
653 * except.c (func_eh_entry): Add emitted field.
654 (new_eh_region_entry): Set emitted field to 0;
655 (output_exception_table_entry): Only emit previously un-emitted data,
656 and send it to the eh_data section.
657 (output_exception_table): Break out common parts. Output
658 exception table for entire compilation unit to eh_data section.
659 (output_exception_table_data): Common parts of output_exception_table.
660 Send output to eh_data section.
661 (output_function_exception_table): Output exception table data for
662 a single function to eh_data section.
663 (free_exception_table): New external to free the table.
664 * except.h (free_exception_table): Add prototype.
665 (output_function_exception_table): Add prototype.
666 * final.c (final_end_function): Output function exception table
667 for IA64_UNWIND_INFO.
668 (final_scan_insn): Emit any unwind directives for an insn.
670 * frame-dwarf2.c: New file containing all DWARF 2 specific code
672 * frame.c: Remove all DWARF 2 specific code.
673 * config/ia64/frame-ia64.c: New file.
674 (gthread_stuff): Make all gthread available with
676 (dwarf_fde): Define an IA64 struct for dwarf_fde.
677 (__register_frame_info, __register_frame): Move to common area of file.
678 (__register_frame_info_table, __register_frame_table): Move to common i
680 (__deregister_frame_info, __deregister_frame): Move to common area.
681 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
682 (read_uleb128): New version for ia64.
683 (get_unwind_record): Read the next IA-64 unwind record.
684 (read_R_record): Read a region header record.
685 (process_a_b_reg_code): X record helper.
686 (read_X_record): Read an X format record.
687 (read_B_record): Read a B format record.
688 (P3_record_types): List of record types matching the P3 format.
689 (P7_record_types): List of record types matching the P7 format.
690 (P8_record_types): List of record types matching the P8 format.
691 (read_P_record): Read a P format record.
692 (init_ia64_reg_loc): Set default fields for a register.
693 (init_ia64_unwind_frame): Set defaults for all register records.
694 (execute_one_ia64_descriptor): Execute one descriptor record.
695 (rse_address_add): Calculate the position of a local reg in memory.
696 (normalize_reg_loc): Turn a location descriptor into a memory address.
697 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
698 within a specified PC offset range.
699 (get_real_reg_value): Given a register location, retrieve its value.
700 (set_real_reg_value): Change the value of a register location.
701 (copy_reg_value): Copy reg values, if needed.
702 (copy_saved_reg_state): Copy all registers that need to be copied.
703 (process_state_between): Normalize all frame register records that
704 fall within the specified PC range.
705 (frame_translate): Take a processed frame description, and turn
706 everything into addresses.
707 (build_ia64_frame_state ): Find and create frame state record for a PC.
708 (get_personality): Get the personality routine for a given frame.
709 (get_except_table): Get the exception table for a given frame.
710 (record_name): Unwind record names for debugging.
711 (print_record): Print and unwind record.
712 (print_all_records): Print an entire unwind image.
713 (__ia64_backtrace): Print a backtrace.
714 (ia64_backtrace_helper): New function.
715 (__register_frame_info_aux): New function.
716 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
718 * frame.h (enum unw_record_type): New unwind record types.
719 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
720 (struct unw_r_record, unwind_record): New unwind record structs.
721 (struct unwind_info_ptr): Unwind information layout.
722 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
724 (struct ia64_reg_loc): Register location description.
725 (struct ia64_frame_state): Location of all registers in a frame.
726 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
727 * libgcc2.c (__ia64_personality_v1): Personality routine.
728 (__calc_caller_bsp): Calculate the bsp register for the caller's
730 (ia64_throw_helper): Figure out who to return to and set up the
732 (__throw): Throw routine.
734 * output.h (assemble_eh_align, assemble_eh_label): New functions
735 to generate EH info where we want it.
736 (assemble_eh_integer): New function.
737 * toplev.c (compile_file): Output module level exception table for
739 (main): Set exceptions_via_longjump and flag_new_exceptions based
740 on IA64_UNWIND_INFO too.
742 * varasm.c (assemble_eh_label): Generate a label via
743 ASM_OUTPUT_EH_LABEL if it has been specified.
744 (assemble_eh_align): Generate an alignment directive via
745 ASM_OUTPUT_EH_ALIGN if it has been specified.
746 (assemble_eh_label): Generate an integer value via
747 ASM_OUTPUT_EH_type if they have been specified.
748 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
749 (ia64_init_builtins): Add __builtin_ia64_bsp
750 and __builtin_ia64_flushrs.
751 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
752 IA64_BUILTIN_FLUSHRS.
753 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
754 IA64_BUILTIN_FLUSHRS.
756 * config/ia64/ia64.md (flushrs): New insn to flush the register
757 stack. Add to unspec list.
759 * config/ia64/crtbegin.asm (frame_object): Change size.
760 (__do_frame_setup_aux): New function.
761 * config/ia64/crtend.asm: call __do_frame_setup_aux.
762 * config/ia64/t-ia64 (LIB2ADDEH): Add.
763 * Makefile.in (LIB2ADDEH): Add.
764 (LIB2ADD): Use LIB2ADDEH.
766 2000-05-24 Richard Henderson <rth@cygnus.com>
768 * recog.c (offsettable_address_p): If mode size is zero, assume
771 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
773 * configure.in: Check for -Wno-long-long option support and improve
774 handling of warning CFLAGS for stages 1 and 2.
775 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
776 * configure: Regenerate.
778 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
780 * gcc.texi: Remove contributor list. Instead include contrib.texi.
781 * contrib.texi: New file.
783 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
785 * loop.c (basic_induction_var): Avoid double recording of an increment.
787 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
789 * Back out this patch:
790 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
791 * loop.h (struct induction): Add multi_insn_incr.
792 * loop.c (basic_induction_var): New multi_insn_incr argument.
793 Set it if we search back through previous insns for the biv.
794 (record_biv): New multi_insn_incr argument; fill in struct induction.
795 (strength_reduce): Discard an iv with multiple bivs, any of
796 which require multiple insns to increment.
798 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
800 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
802 * rtl.h (loc_mentioned_in_p): Declare.
803 * reload.c (loc_mentioned_in_p): Moved from here...
804 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
805 Fix loop increment for 'E' handling.
806 * loop.c (strength_reduce): When doing biv->giv conversion,
807 take multi-insn biv increments into account.
809 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
811 * stmt.c (expand_end_bindings): Look through NOTEs to find a
814 2000-05-24 Mark Mitchell <mark@codesourcery.com>
816 * calls.c (expand_call): Handle cleanups in tail-recursion
817 arguments analagously to cleanups in sibling calls.
819 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
821 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
824 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
826 * expr.c (expand_assignment, store_expr, expand_expr,
827 expand_expr_unaligned): Set in_check_memory_usage while emitting
828 chkr_check_addr libcall.
830 2000-05-24 Nick Clifton <nickc@cygnus.com>
832 * fold-const.c (extract_muldiv): When constructing a
833 multiplier/divisor, do not expect const_binop to correctly
834 determine if overflow has occured, so check explicitly.
836 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
838 * c-decl.c (build_enumerator): Don't modify the value's type,
841 2000-05-24 Andreas Jaeger <aj@suse.de>
843 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
845 2000-05-24 Eric Christopher <echristo@cygnus.com>
847 * configure.in: Redefine inhibit_libc conditions.
848 * libgcc2.c: Remove inhibit_libc conditional define.
849 * configure: Regenerate.
851 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
853 * configure.in: For --enable-languages=LIST, check for empty LIST.
854 * configure: Regenerate.
856 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
858 * pdp11.h (STACK_BOUNDARY): Define.
860 2000-05-24 Jakub Jelinek <jakub@redhat.com>
862 * ifcvt.c (if_convert): Update life info globally.
864 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
866 * emit-rtl.c (unshare_all_decls): New function.
867 (unshare_all_rtl): Call it.
869 2000-05-23 Nick Clifton <nickc@cygnus.com>
871 * configure.in: Treat 'strongarm' as if it were 'arm' when
872 determining cpu type.
874 * configure: Regenerate.
876 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
877 where constant strings are involved.
879 * config/arm/arm.h (arm_condition_codes): Change type to 'const
882 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
883 cases where constant strings are involved.
885 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
887 * config/sh/sh.c (gen_far_branch, split_branches): Update
888 to reflect new prototypes for redirect_jump and invert_jump.
889 (sh_insn_length_adjustment): Get rid of const warnings.
891 2000-05-23 Kazu Hirata <kazu@hxi.com>
893 * invoke.texi (Options for Debugging Your Program or GCC): Update
894 the names of dump files.
896 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
898 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
899 * configure: Regenerated.
901 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
903 * simplify-rtx.c (SIGN_EXTEND): New macro.
904 (simplify_unary_operation, simplify_binary_operation,
905 simplify_relational_operation): Use SIGN_EXTEND. Make low
906 halves of (low, high) pairs unsigned if they weren't already.
907 (simplify_ternary_operation): Cast INTVAL to unsigned before
908 comparing to a MODE_BITSIZE.
910 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
912 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
913 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
915 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
916 gcc_AC_NEED_DECLARATIONS.
918 * dwarfout.c: Don't prototype time().
920 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
922 * system.h: Likewise.
924 * toplev.c: Likewise.
926 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
928 * c-decl.c (pushdecl): Invert sense of test for non-global types.
930 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
932 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
934 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
936 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
938 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
940 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
941 (alpha_start_function): Never write ..ng label if VMS or NT.
942 (alpha_align_insns): Remove GP_IN_USE arg.
943 Alignment now unsigned.
944 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
945 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
946 and two define_insn's.
948 2000-05-22 Richard Henderson <rth@cygnus.com>
950 * combine.c (simplify_comparison): Use trunc_int_for_mode.
952 2000-05-22 Richard Henderson <rth@cygnus.com>
954 * stor-layout.c (place_field): Change rli->size to rli->offset.
956 2000-05-22 Richard Henderson <rth@cygnus.com>
958 * function.c (thread_prologue_and_epilogue_insns): Make sure
959 existing line number notes appear after the prologue.
961 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
963 * config/alpha/alpha.c (alpha_fnname): New static variable.
964 (print_operand, case '~'): New case.
965 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
966 (alpha_start_function): Set alpha_fnname.
967 Write "ng" label if no ldgp; don't write ldgp insn.
968 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
969 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
971 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
973 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
976 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
978 * varasm.c (eh_frame_section): Revert change to argument list.
980 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
982 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
983 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
985 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
986 dangling "else" that causes "break" to be conditional.
987 Also remove unneeded code at start.
989 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
991 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
992 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
993 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
995 2000-05-22 Jakub Jelinek <jakub@redhat.com>
997 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1000 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1002 * alias.c (record_component_aliases): New function.
1003 * tree.h: Clean up some declarations and comments.
1004 (record_component_aliases): New declaration.
1005 * tree.c (get_alias_set): If type and has alias set, use it.
1007 2000-05-22 Richard Henderson <rth@cygnus.com>
1009 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1010 IF_THEN_ELSE to a setcc form.
1011 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1013 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1015 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1016 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1018 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1020 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1023 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1025 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1026 * config/mn10300/mn10300.c (print_operand): Likewise.
1028 * final.c (split_double): Right shift of negative values is not
1031 * ifcvt.c (if_convert): Scan and kill dead code.
1033 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1035 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1037 * diagnostic.c: Eliminate implicit int.
1038 * except.c, gcc.c: Add static prototypes.
1039 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1040 * gensupport.c (process_rtx): Use XVEC to initialize vector
1043 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1044 debug_reg_names instead of static reg_names. If not, define
1046 * regclass.c: Don't define global reg_names unless
1047 DEBUG_REGISTER_NAMES is defined.
1049 * reload1.c (order_regs_for_reload): Remove unused variable.
1050 * varasm.c: Include output.h after defaults.h. Define
1051 eh_frame_section as function of no args, not of unspecified args.
1053 * gcc.c: Constify argbuf; arguments to store_arg,
1054 process_command, main; elements of struct command and struct
1055 switchstr; local variables in execute, process_command, main.
1057 2000-05-20 Bruce Korb <bkorb@gnu.org>
1059 * fixinc/inclhack.def: many applications of c_fix=format + tests
1060 * fixinc/check.diff: regenerated
1061 * fixinc/fixincl.x: regenerated
1063 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1065 * alias.c: Clarify some comments.
1066 (record_base_value): REGNO is unsigned.
1067 * rtl.h (record_base_value): Likewise.
1069 * alias.c (aliases_everything_p): Don't special-case QImode here.
1070 * c-common.c (c_get_alias_set): Do it here.
1071 Handle BIT_FIELD_REF by getting alias info for arg.
1074 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1076 * mklibgcc.in: Restore rule to create ${dir}.
1078 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1080 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1081 GCC_FOR_TARGET used by MULTILIBS.
1082 * mklibgcc.in: Make sure each .o file depends on the
1083 directory it will be in.
1084 Make the multilib directory depends libgcc.
1086 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1088 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1090 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1092 * fold-const.c (make_range): Handle degenerated intervals.
1093 Fixes c-torture/execute/991221-1.c
1095 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1097 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1098 * reload.c (find_equiv_reg): Likewise.
1099 * alias.c (init_alias_analysis): Likewise.
1100 Only call prologue_epilogue_contains on insns.
1101 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1102 * bb-reorder.c (hard-reg-set.h): Include earlier.
1103 * haifa-sched.c (hard-reg-set.h): Likewise.
1104 * ifcvt.c (hard-reg-set.h): Likewise.
1105 * local-alloc.c (hard-reg-set.h): Likewise.
1106 * loop.c (hard-reg-set.h): Likewise.
1107 * predict.c (hard-reg-set.h): Likewise.
1108 * regrename.c (hard-reg-set.h): Likewise.
1109 * flow.c (hard-reg-set.h): Likewise.
1110 (reg_set_to_hard_reg_set): New function.
1111 * bitmap.c (regs.h, basic-block.h): No longer include.
1112 (bitmap.h): Now include.
1113 * conflict.c (hard-reg-set.h): Include.
1114 * profile.c (hard-reg-set.h): Likewise.
1115 * print-rtl.c (hard-reg-set.h): Likewise.
1116 * sbitmap.c (hard-reg-set.h): Likewise.
1117 * toplev.c (hard-reg-set.h): Likewise.
1118 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1119 * hard-reg-set.h (reg_names): Now constant.
1120 * regs.h (reg_names): Likewise.
1121 * regclass.c (reg_names): Likewise.
1122 * loop.h (basic-block.h): No longer include.
1123 (bitmap.h): Now include.
1124 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1125 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1126 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1128 2000-05-19 Jan Hubicka <jh@suse.cz>
1129 Richard Henderson <rth@cygnus.com>
1131 * basic-block.h (struct edge_def): New field "count".
1132 (struct basic_block_def): Likewise.
1133 * flow.c (entry_exit_blocks): Add count fileds.
1134 (split_edge): Keep count information up-to-date.
1135 (dump_edge_info, dump_flow_info): Dump count fields.
1137 * final.c (count_instrumented_edges): Rename to edge from arc.
1138 (end_final): Update users.
1139 * profile.c: Include expr.h, basic-block.h.
1140 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1141 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1142 (ignore_next_note, return_label_execution_count): Kill.
1143 (bbg_file_name, da_file_name): Kill.
1144 (edge_info, bb_info): New structures.
1145 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1146 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1147 (total_num_edges_instrumented): Likewise.
1148 (init_arc, expand_spanning_tree): Kill.
1149 (fill_spanning_tree, tablejump_entry_p): Kill.
1150 (instrument_edges): Rewrite from instrument_arcs to use
1151 commit_edge_insertions infrastructure.
1152 (compute_branch_probabilities): Remove arguments; rewrite for
1153 CFG infrastructure; use rtl_dump_file directly.
1154 (branch_prob, find_spanning_tree): Likewise.
1155 (union_groups, find_group): New.
1156 (init_branch_prob): Make bbg_file_name and da_file_name local.
1157 (end_branch_prob): Use rtl_dump_file directly.
1158 (init_edge_profiler): Rename to edge from arc.
1159 (output_arc_profiler): Kill.
1160 (gen_edge_profiler): New.
1161 (output_func_start_profiler): Turn off profiling. Make the
1162 constructor static when we can.
1163 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1165 * toplev.c (DFI_flow): Remove.
1166 (DFI_cfg, DFI_life): New.
1167 (dump_file): Update accordingly.
1168 (compile_file): Call end_branch_prob if profile_arc_flag too.
1169 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1170 profiling after the CFG is built. Move flow1 life analysis to
1171 DFI_life. Always estimate remaining probabilities.
1173 2000-05-19 Richard Henderson <rth@cygnus.com>
1175 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1177 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1179 2000-05-19 Richard Henderson <rth@cygnus.com>
1181 * jump.c (redirect_jump): Add delete_unused argument. Don't
1182 remove labels and code following when LABEL_NUSES goes to zero.
1183 (invert_jump): Likewise.
1184 (jump_optimize_1): Fix redirect/invert arguments.
1185 (do_cross_jump, thread_jumps): Likewise.
1186 * flow.c (split_edge): Likewise.
1187 * reorg.c (optimize_skip): Likewise.
1188 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1189 * profile.c (instrument_arcs): Likewise.
1190 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1191 * rtl.h: Update prototypes.
1193 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1195 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1197 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1200 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1202 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1203 past l1 when deleting whitespace and markers.
1205 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1206 * cpplib.c (do_unassert): Put the list to compare against on
1209 2000-05-19 Bruce Korb <bkorb@gnu.org>
1211 * fixinc/README: cleaned up old documentation
1212 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1213 * fixinc/check.tpl: compute the list of needed directories
1214 emit "#if defined(name)" because of conflict
1215 omit machine name differences from output differences
1216 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1217 (machine_name): change test text to use `sed' markers
1218 * fixinc/fixincl.x: regen
1220 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1222 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1225 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1227 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1228 it to match the current practice.
1230 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1232 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1234 2000-05-18 Richard Henderson <rth@cygnus.com>
1236 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1237 * rtl.h (insn_dependant_p): Declare it.
1238 * loop.c (strength_reduce): Use it.
1240 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1242 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1243 16-bit and 64-bit clean-up.
1245 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1247 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1248 * configure: Rebuilt.
1250 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1252 * genopinit.c: Use $ for escape sequences in optab patterns.
1253 Remove backslashes from optab patterns. Change $A, $B, $C to
1254 expand to (int) whatever instead of just whatever; remove
1255 explicit (int) from all optab patterns.
1257 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1258 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1259 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1260 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1263 2000-05-18 Richard Henderson <rth@cygnus.com>
1265 * jump.c (jump_optimize_1): Base minimum insn count during
1266 find_cross_jump on BRANCH_COST.
1268 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1270 * print-rtl.c (print_rtx): Only print note line number as string
1271 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1272 * final.c (final_scan_insn): Do nothing for note line number 0.
1274 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1276 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1277 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1278 NOTE_INSN_DELETED_LABEL.
1280 2000-05-18 Nick Clifton <nickc@cygnus.com>
1282 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1283 uninitialised data in .rodata not .bss, and do not interpret an
1284 error in the initialisation value as meaning that the variable
1285 should be placed in the .bss section.
1287 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1289 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1290 not `$ac_cv_prog_cc_cc_c_o'.
1291 * configure: Regenerated.
1293 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1294 Richard Henderson <rth@cygnus.com>
1296 * c-common.h (enum c_tree_index): Add g77 type entries.
1297 (g77_integer_type_node, g77_uinteger_type_node): New.
1298 (g77_longint_type_node, g77_ulongint_type_node): New.
1299 * c-decl.c (init_decl_processing): Initialize them.
1301 2000-05-18 Richard Henderson <rth@cygnus.com>
1303 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1305 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1306 (small_power_of_two): Likewise; use exact_log2.
1307 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1308 (output_adds_subs): Remove.
1309 (two_insn_adds_subs_operand): New.
1310 (split_adds_subs): New.
1311 * config/h8300/h8300-protos.h: Update.
1312 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1313 (CONST_OK_FOR_L): Match strict adds operands.
1314 (CONST_OK_FOR_N): Match struct subs operands.
1315 * config/h8300/h8300.md (adds_subs insns): Remove.
1316 (addhi patterns): Output adds/subs directly.
1317 (addsi_h8300h): Likewise.
1318 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1320 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1322 * cppexp.c (parse_assertion): New.
1323 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1324 (_cpp_parse_expr): Remove case '#'. Don't set
1325 parsing_if_directive.
1326 * cpphash.c (collect_objlike_expansion,
1327 collect_funlike_expansion, collect_params,
1328 _cpp_create_definition): The list no longer has a trailing
1330 * cpphash.h (enum node_type): Add T_ASSERTION.
1331 (struct hashnode): Remove aschain, add pred.
1332 (struct predicate): New.
1335 * cpplex.c (expand_token_space): Handle both offset and
1337 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1338 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1339 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1340 _cpp_equiv_toklists): New.
1341 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1342 stop at any single-character token, not just newline.
1343 (_cpp_lex_token): Remove special cases for #define and #if.
1344 (cpp_get_token): Expect # as a separate token type. Remove
1346 (_cpp_get_directive_token): Remove DIRECTIVE case.
1347 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1349 * cpplib.c (_cpp_check_directive): Set dirno and
1350 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1351 (_cpp_handle_directive): Run # <number> through the same logic
1352 as normal directives.
1353 (do_define): Don't set parsing_define_directive. Use
1354 _cpp_scan_until. The list does not have a VSPACE at the end.
1355 (do_if): Save, clear, and restore only_seen_white around
1357 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1358 (do_assert, do_unassert): Rewrite.
1360 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1361 (LIST_OFFSET): New flag.
1362 (struct cpp_toklist): Replace dir_handler and dir_flags with
1364 (struct cpp_reader): Remove parsing_if_directive and
1365 parsing_define_directive.
1367 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1369 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1370 following the cabs decl which terminate on the following line.
1371 Add the corresponding test_text case.
1373 2000-05-18 Neil Booth <NeilB@earthling.net>
1375 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1376 default tab stop size.
1377 (no_num, OPT_ftabstop): New.
1378 (handle_option): Handle "ftabstop=" command-line option.
1379 (print_help): Document it.
1380 * cpplex.c (COLUMN): Remove.
1381 (handle_newline): Reset col_adjust.
1382 (skip_whitespace): Update col_adjust as tabs encountered.
1383 (_cpp_lex_line): Update to use col_adjust. Call
1384 skip_whitespace for all whitespace.
1385 * cpplib.h (struct cpp_options): New member tabstop.
1386 (struct cpp_reader): New member col_adjust.
1387 (CPP_BUF_COL): Update.
1388 (CPP_BUF_COLUMN): New.
1389 * cpp.texi: Document "-ftabstop=" command line option.
1391 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1393 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1395 * configure: Rebuilt.
1397 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1399 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1401 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1402 HOST_BITS_PER_WIDE_INT is >= 64.
1404 2000-05-17 Richard Henderson <rth@cygnus.com>
1406 * jump.c (jump_optimize_1): Remove inactive but real insns
1407 in jump-to-next-insn optimization.
1409 2000-05-17 Richard Henderson <rth@cygnus.com>
1411 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1412 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1413 Don't call recompute_reg_usage if no_new_pseudos is true.
1414 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1415 Return true if we did work; update global life information.
1416 * basic-block.h (optimize_mode_switching): Update decl.
1418 2000-05-17 Neil Booth <neilb@earthling.net>
1420 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1422 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1424 * cpplib.c: New feature, #pragma system_header.
1425 * cpp.texi: Document special treatment of system headers, and
1426 the various mechanisms to get a header that special treatment.
1428 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1430 * system.h (offsetof): Define at the very end, to ensure we prefer
1431 the platform's definition if available.
1433 2000-05-16 Bruce Korb <bkorb@gnu.org>
1435 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1436 * fixinc/server.c: likewise
1437 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1438 + #ifdef debugging code + use #def constant for
1440 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1441 on C++ math namespace
1443 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1445 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1446 Don't check the return value of sprintf. Use asprintf to avoid
1449 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1451 * flags.h (warn_unused_function, warn_unused_label,
1452 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1453 Replace ``warn_unused''.
1454 (set_Wunused): Add declaration.
1455 * toplev.c (set_Wunused): New function.
1456 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1457 warn_unused_variable, warn_unused_value): New variables.
1458 (W_options): Add -Wunused-function, -Wunused-function,
1459 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1460 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1462 * toplev.c (decode_W_option): Update -Wunused flags by calling
1464 * c-decl.c (c_decode_option): Ditto for -Wall.
1466 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1467 warn_about_unused_variables): Replace warn_unused with more
1468 explicit warn_unused_value et.al.
1469 * function.c (expand_function_end): Ditto.
1470 * c-typeck.c (internal_build_compound_expr,
1471 internal_build_compound_expr): Ditto.
1472 * c-decl.c (poplevel, pop_label_level): Ditto.
1473 * toplev.c (check_global_declarations): Replace warn_unused with
1474 check for either warn_unused_function or warn_unused_variable.
1476 * gcc.1, invoke.texi (Warning Options): Document
1477 -Wunused-function, -Wunused-function, -Wunused-label,
1478 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1480 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1482 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1483 $(srcdir), not in the current directory.
1485 2000-05-16 Richard Henderson <rth@cygnus.com>
1487 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1488 assembler supports it.
1489 (.fini, .init): Use a gp-relative indirect call.
1490 (__do_global_dtors_aux): Preserve the gp; rebundle.
1491 (__do_frame_setup): Likewise.
1492 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1493 (.init): Use a gp-relative indirect call.
1494 (__do_global_ctors_aux): Preserve the gp.
1496 2000-05-16 Richard Henderson <rth@cygnus.com>
1498 * flow.c (commit_one_edge_insertion): Be prepared for a return
1499 insn to be inserted on the edge with a normal jump.
1500 * jump.c (jump_optimize_1): Don't look to create return isns.
1502 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1503 * jump.c (jump_optimize_1): Likewise.
1504 (returnjump_p): Verify the argument is a JUMP_INSN.
1505 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1507 2000-05-16 Nick Clifton <nickc@cygnus.com>
1509 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1510 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1511 (large_insn_p): Ditto.
1512 (m32r_is_insn): New function: Return true if the insn contains
1513 an executable instruction.
1514 (m32r_adjust_insn): Use m32r_is_insn.
1515 (m32r_sched_reorder): Use m32r_is_insn.
1516 (m32r_sched_variable_issue): Use m32r_is_insn.
1518 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1520 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1523 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1525 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1526 according to given options.
1528 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1530 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1531 if X has VOIDmode either.
1532 (LIMIT_RELOAD_CLASS): Similarly.
1534 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1535 not "general_operand" to match the processor's capabilities.
1537 2000-05-16 Bruce Korb <bkorb@gnu.org>
1539 * fixinc/README: corrected return address
1540 * fixinc/check.diff: regenerate, now that test works
1541 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1542 (char_macro_def_fix,char_macro_use_fix): corrected and
1543 rewrote to use regex to parse the text
1544 * fixinc/inclhack.def: more testing
1545 * fixinc/fixincl.x: regenerated
1547 * fixinc/inclhack.def: added several "test_text" attributes
1548 changed several fixes to use `c_fix = format'
1549 re-alphabetized the fixes
1551 * fixinc/check.diff: regenerate
1552 * fixinc/fixincl.x: regenerate
1553 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1557 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1559 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1561 2000-05-15 Richard Henderson <rth@cygnus.com>
1563 * toplev.c (rest_of_compilation): Run full jump pass before
1564 find_basic_blocks of flow2.
1566 2000-05-15 Richard Henderson <rth@cygnus.com>
1568 * jump.c: Fix typos and clarify commentary from last change.
1569 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1570 (safe_to_remove_jump_p): Remove.
1571 (condjump_label): Use pc_set.
1573 2000-05-15 Richard Henderson <rth@cygnus.com>
1575 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1576 that get in the way after reload.
1577 (cond_exec_process_if_block): Skip a label heading THEN block.
1579 2000-05-15 Richard Henderson <rth@cygnus.com>
1581 * varasm.c (output_constant_pool): Abort instead of converting
1582 (improperly) deleted labels to zero.
1584 2000-05-16 Neil Booth <NeilB@earthling.net>
1586 * cpplex.c (parse_string2): Update comment.
1587 (cpp_lex_line): No special assertion treatment for '('.
1588 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1589 * cpplib.h (SYNTAX_ASSERT): Remove.
1591 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1593 * jump.c (condjump_p): Mark as depreached.
1594 (any_condump_p): New.
1595 (any_uncondump_p): New.
1597 (safe_to_remove_jump_p): New.
1598 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1599 safe_to_remove_jump_p): Declare.
1601 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1603 * calls.c: Re-install both patches reverted by last patch.
1604 (struct arg_data): New field tail_call_reg.
1605 (initialize_argument_information): Initialize tail_call_reg
1606 (load_register_parameters): New argument flags, use
1607 tail_call_reg when emiting tail call sequence.
1608 (expand_call): Update call of load_register_parameters;
1609 copy unadjusted_args_size to adjusted_args_size.
1611 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1613 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1614 and bct_p parameters to flags.
1615 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1616 * rtl.h (loop_optimize): Update prototype.
1617 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1619 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1621 * calls.c (expand_call): Move expand_start_target_temps call after
1624 2000-05-15 Neil Booth <NeilB@earthling.net>
1626 * cpphash.c (trad_stringify, warn_trad_stringify,
1627 collect_params): Make some pointers pointers to const.
1628 * cpplex.c (auto_expand_name_space) Guaranteed to always
1629 expand by at least one character.
1630 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1631 (struct token_spelling): Use const U_CHAR * rather than PTR.
1632 (expand_name_space): Fix up token pointers if name space
1633 is moved when expanding.
1634 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1635 parse_string2, save_comment, spell_token, cpp_output_list):
1636 Update so the routines handle tokens with a direct pointer to
1637 their text, rather than an offset into the token's list's namebuf.
1638 (_cpp_lex_line): Rearrange for clarity.
1640 * cpplib.c (_cpp_check_directive): Similarly.
1641 (do_define): Make SYM a pointer to const.
1642 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1643 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1644 (TOK_OFFSET): Delete.
1647 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1649 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1652 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1654 (logical_u_operand): Delete.
1655 (non_logical_cint_operand): Rewrite to take MODE into account.
1656 (non_logical_u_cint_operand): Delete.
1657 (boolean_operator): New function.
1658 (print_operand): Add new %q operand.
1659 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1660 remove logical_u_operand and non_logical_u_cint_operand,
1661 update logical_operand and non_logical_cint_operand.
1662 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1663 logical operations to use %q.
1665 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1666 (movdi): Make similar to movsi.
1667 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1668 is no such thing as a DImode CONST_DOUBLE.
1669 * config/rs6000/rs6000.c (output_toc): Likewise.
1671 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1672 codes when old mnemonics are in use. Print register names
1673 for cc registers when requested.
1675 * optabs.c (expand_float): Don't allow mode widening that causes
1678 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1679 flags to their current names -maix64 and -maix32.
1681 2000-05-14 Bruce Korb <bkorb@gnu.org>
1683 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1684 and/or after current text of file
1685 * fixinc/fixlib.c(must_malloc):
1686 * fixinc/fixlib.h(must_malloc): + reformatting
1687 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1688 with usages of ``c_fix = wrap;''
1689 Add several tests and use the ``c_fix = format'' fixer more.
1690 * fixinc/fixincl.x: regen
1691 * fixinc/check.diff: regen
1692 * fixinc/check.tpl: emit the associated header with the missing
1695 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1697 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1698 variables $src and $dst.
1700 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1702 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1703 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1704 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1705 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1707 (set_message_prefixing_rule): Declare.
1709 * diagnostic.c: (current_prefixing_rule): New variable.
1710 (set_message_prefixing_rule): Define.
1711 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1712 (init_output_buffer): Adjust Initialization.
1713 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1715 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1717 * ifcvt.c (if_convert): Do not free NULL.
1719 2000-05-12 Nick Clifton <nickc@cygnus.com>
1721 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1722 to move a double word value.
1723 (di_operand): New function: Return true if the operand is suitbale
1724 for a double word move operation.
1725 (nonimmediate_di_operand): New function: Return true if the
1726 operand is a DImode register or MEM.
1728 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1729 nonimmediate_di_operand.
1731 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1732 nonimmediate_di_operand.
1734 * config/fr30/fr30.md (movdi): New pattern. Required because
1735 other patterns generate DImode results.
1736 (movdi_insn): New pattern.
1738 2000-05-12 Richard Henderson <rth@cygnus.com>
1740 * config/alpha/alpha.c (struct shadow_summary): Define
1741 bitfields as type unsigned int.
1743 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1745 * config/avr/t-avr: Added definition of FLOAT while generates
1748 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1749 peepholes for tst+jump = sbrs/sbrc optimization.
1751 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1753 * expr.c (emit_push_insn): Do not adjust stack pointer when
1756 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1758 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1759 * system.h (offsetof): ... to here.
1761 2000-05-12 Richard Henderson <rth@cygnus.com>
1763 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1764 * final.c (final_end_function): Use app_disable. Rearrange note
1765 handling into a switch. Emit deleted labels.
1766 (output_asm_label): Generate label strings for deleted labels.
1767 * flow.c (tail_recursion_label_list): New.
1768 (find_basic_blocks_1): Set label_value_list directly. Collect list
1769 of tail recursion labels from call_placeholders. Don't add deleted
1770 labels to the label value list.
1771 (cleanup_cfg): Use free_EXPR_LIST_list.
1772 (flow_delete_insn_chain): Turn non-removable labels into notes.
1773 (flow_delete_block): Don't disable deleting the block because of
1774 a non-removable label.
1775 (tail_recursion_label_p): New.
1776 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
1778 (merge_blocks_move_successor_nojumps): Likewise. Also move a
1780 (merge_blocks): Disable a merge because of tail recursion labels.
1781 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
1782 Use a more accurate measure of not merging the join block.
1783 (find_if_block): Don't disable conversion because of a label.
1784 (find_if_case_1, find_if_case_2): Likewise.
1785 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
1786 element when copying.
1787 (squeeze_notes): Also leave EH notes.
1788 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
1790 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
1792 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
1793 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
1794 referring to a deleted label. Convert tail handling to a switch.
1795 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
1796 for NOTE_INSN_DELETED_LABEL.
1797 (NOTE): Fix commentary.
1798 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
1799 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
1800 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
1801 (LABEL_NUSES, LABEL_REFS): Likewise.
1802 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
1804 2000-05-12 Bruce Korb <bkorb@gnu.org>
1806 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
1807 * fixinc/check.diff: updated
1808 * fixinc/inclhack.def: corrected & added some test_text-s
1809 * fixinc/genfixes: removed unneeded options to autogen invocation
1810 * fixinc/fixincl.tpl: Specified the output file
1811 * fixinc/fixfixes.c: visual appearance
1812 * fixinc/fixincl.x: regenerate
1814 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
1816 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
1817 CTRL_defn_fix): Delete.
1818 (fix_char_macro_defines, fix_char_macro_uses): Rename to
1819 char_macro_def_fix and char_macro_use_fix, respectively. Put
1820 them into the FIXUP_TABLE. Get the string to search for from
1823 (format_write): New function.
1824 (format_fix): Use it.
1826 (FIX_PROC_HEAD): Constify text parameter.
1827 (machine_name_fix): Constify all char *s.
1828 * fixtests.c (skip_quote): Remove double static.
1830 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
1831 ctrl_use_quotes): Update for new scheme.
1832 * fixincl.x: Regenerate.
1834 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
1836 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
1838 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
1839 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
1841 2000-05-11 Robert Lipe <robertlipe@usa.net>
1843 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
1844 * fixincl.x: Regenerate.
1846 2000-05-11 Richard Henderson <rth@cygnus.com>
1848 * calls.c: Revert both 05-09 patches.
1850 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
1852 * config/mn10300/mn10300.c (print_operand): Print FP constants in
1854 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
1857 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
1858 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
1860 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
1862 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
1864 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1866 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
1868 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
1870 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
1871 * config/avr/avr.c (jump_over_one_insn_p): New function.
1872 * config/avr/avr.md: New peepholes added. Output test and
1873 conditional jump to "sbrc" or "sbrs" command.
1875 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
1877 * cppmain.c (main): Use IS_DIR_SEPARATOR.
1879 2000-05-11 Jakub Jelinek <jakub@redhat.com>
1881 * except.c (find_exception_handler_labels_1): New function.
1882 (find_exception_handler_labels): Split into two functions, dive
1883 into CALL_PLACEHOLDERs when looking for exception handler labels.
1885 2000-05-11 Stan Cox <scox@cygnus.com>
1887 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
1888 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
1889 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
1891 2000-05-11 Bruce Korb <bkorb@gnu.org>
1893 * fixinc/fixfixes.c (double_slash_fix): obsolete
1894 (else_endif_label_fix): obsolete
1895 (format_fix): new, unused as yet
1897 * fixinc/fixlib.h: added fix description struct for use by format_fix
1898 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
1899 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
1900 modules. Removed the vestiges of the script version.
1901 Added support for "make check".
1902 * fixinc/check.diff: base diff file (needs work!!)
1903 * fixinc/check.tpl: quiet the fixup output
1904 * fixinc/fixtests.c (main): obsolete
1905 * fixinc/fixincl.sh: don't bother copying fixincl to ..
1906 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
1908 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
1910 * toplev.c (rest_of_compilation): Remove dead code after
1913 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
1915 * cpphash.c (collect_funlike_expansion): Make "# is not
1916 followed by a macro argument name" a pedwarn, not an error.
1917 Preserve the # in the output. Suppress the warning if lang_asm.
1919 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
1921 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
1922 * configure: Rebuilt.
1924 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
1926 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
1928 2000-05-10 Kazu Hirata <kazu@hxi.com>
1930 * combine.c (try_combine): Fix a typo.
1932 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
1934 * config/ia64/ia64.md (insv): Add comment.
1936 2000-05-10 Richard Henderson <rth@cygnus.com>
1938 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
1939 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
1940 dependancies on FPBIT and DPBIT.
1942 2000-05-10 Nick Clifton <nickc@redhat.com>
1944 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
1945 when optimising for size.
1946 (mark_used_regs:) Ditto.
1947 (try_pre_increment_1): Ditto.
1949 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
1951 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
1952 Make error message friendlier.
1954 * cpphash.h (struct hashnode): Use struct hack for name
1956 * cpphash.c (struct hashdummy): New.
1957 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
1958 (make_HASHNODE): No need to set ->name pointer. Correct
1960 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
1962 2000-05-10 Richard Henderson <rth@cygnus.com>
1964 * flow.c (find_basic_blocks_1): Remove any spare bb_note
1967 2000-05-10 Bruce Korb <bkorb@gnu.org>
1969 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
1971 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
1973 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
1974 after we enter .debug.
1976 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
1978 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
1979 abstract instance of a nested inline function.
1981 * stor-layout.c (finish_record_layout): finalize_type_size
1982 before laying out the pending_statics.
1984 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
1986 * cpplex.c (spell_token): New function.
1987 (spell_string, spell_comment, spell_name): fold into
1990 (E, H): Remove macros.
1991 (save_comment): Save comment opening characters too.
1992 (_cpp_lex_file): Update to use spell_token. Tidy up comment
1994 * cpplib.h (I, S): Add macros.
1995 (E, H): Remove macros.
1996 (TTYPE_TABLE): Update entries for new speller.
1997 (SYNTAX_ASSERT): Remove.
1999 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2001 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2002 when removing escaped newlines. Reverse sense of test for
2005 2000-05-09 Richard Henderson <rth@cygnus.com>
2007 * flow.c (find_basic_blocks_1): Do not delete the first
2008 bb_note we run across.
2009 (create_basic_block): Use reorder_insns to move an existing
2010 bb_note to the correct place.
2012 2000-05-09 Richard Henderson <rth@cygnus.com>
2014 * calls.c (expand_call): Increment currently_expanding_call
2015 before calling optimize_tail_recursion.
2017 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2019 * reload1.c (reload_combine): Fix errors in last change.
2021 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2023 * gcc.c (used_arg): Skip over a semicolon at the end of the
2024 split-up loop; don't break out of it.
2026 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2027 (tree.o): Depend on output.h.
2029 * c-decl.c (pending_invalid_xref_file,
2030 current_function_prototype_file): Constify.
2031 (pushdecl): Constify a local char *.
2032 (define_label): Constify filename parameter.
2033 * c-lex.c (init_parse): Constify parameter and return value.
2034 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2035 * c-tree.h: Update prototypes.
2036 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2037 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2038 objc/objc-parse.c: Regenerate.
2040 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2041 * dwarfout.h: Update prototypes.
2042 * expr.c (expand_expr): Constify a local char *.
2043 * flags.h: Constify main_input_filename.
2044 * function.c (expand_function_end): Constify filename parameter.
2045 * genrecog.c (make_insn_sequence): Use a character array for
2047 (main): Remove unused variables.
2048 * input.h: Constify input_filename, main_input_filename, and
2049 file_stack.name. Update prototypes.
2050 * output.h: Declare first_global_object_name and
2051 weak_global_object_name here, as const char *.
2052 * stmt.c (expand_asm_operands): Constify filename parameter.
2053 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2054 Constify filename parameter.
2055 (input_filename, main_input_filename): Constify.
2056 * toplev.h: Update prototypes.
2057 * tree.c: Include output.h. Don't declare
2058 first_global_object_name or weak_global_object_name. Clean up string
2059 bashing in get_file_function_name_long.
2060 * tree.h (struct tree_decl): Constify filename member.
2061 (input_filename): Constify.
2063 * varasm.c (first_global_object_name, weak_global_object_name):
2065 (assemble_start_function, assemble_variable): Clean up string bashing.
2067 * gcc.c: Constify all spec-related strings initialized,
2068 transitively, from string constants. Constify all strings
2069 and string variables related to multilibs.
2070 (set_spec, read_specs): Cast argument to free to PTR.
2071 (used_arg): Do not modify multilib_matches. Use strncmp plus
2072 length comparison to compare multilib switches.
2073 * genmultilib: Constify everything declared in multilib.h.
2075 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2077 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2080 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2082 * config/avr/avr-protos.h (extra_constraint): change a type of
2083 second argument from char to int to avoid warnings.
2084 (asm_output_byte): Likewise.
2086 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2087 (initial_elimination_offset): Handle elimination from
2088 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2089 (legitimate_address_p): Use MAX_LD_OFFSET.
2090 (legitimize_address): Likewise.
2091 (out_movqi_r_mr): Likewise.
2092 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2093 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2094 (out_movsi_mr_r): Likewise.
2095 (out_movqi_mr_r): Likewise.
2096 (out_movhi_mr_r): Likewise.
2097 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2098 count as CONST_INT != 6.
2099 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2100 shift count is a CONSTANT_P, but not a CONST_INT.
2101 (ashlhi3_out): Coding style modifications.
2102 (ashlsi3_out): Likewise.
2103 (ashrhi3_out): Likewise.
2104 (ashrsi3_out): Likewise.
2105 (lshrhi3_out): Likewise.
2106 (lshrsi3_out): Likewise.
2107 (ashrqi3_out): Generate shift for any known constant count without
2108 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2109 but not a CONST_INT.
2110 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2111 shift count is a CONSTANT_P, but not a CONST_INT.
2112 (extra_constraint): change a type of
2113 second argument from char to int to avoid warnings.
2114 (asm_output_byte): Likewise.
2115 (asm_file_end): Output size generated commands count as a hex
2118 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2120 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2122 (ashlqi3): Values of "length" attribute changed. Shift count
2123 uses constraints 'n' instead of 'i'.
2124 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2125 shifts without clobber register.
2126 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2127 (call_insn): Correct test for which_alternative == 1 (was 0).
2128 (call_value_insn): Likewise.
2130 * config/avr/t-avr: Remove definition of FLOAT while generates
2133 2000-05-09 Bruce Korb <bkorb@gnu.org>
2135 * fixinc/check.tpl: Template for checking fixes
2136 * fixinc/inclhack.def: Added 'test_text' for many fixes
2137 disable hpux8_bogus_inlines on SCO
2138 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2140 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2142 * calls.c (expand_call): Reorganize somewhat in order
2143 to avoid unnecesary recalculation inside loop and make
2144 tail call failure code cleaner.
2146 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2148 * alias.c (nonlocal_reference_p): Minor reformatting.
2149 * reload.c (find_equiv_reg): Simplify logic for
2150 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2151 some some reformatting.
2152 * reload1.c (reload_combine): Don't assume everything in
2153 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2155 2000-05-08 Richard Henderson <rth@cygnus.com>
2157 * final.c (current_insn_predicate): New.
2158 (final_scan_insn): Set it.
2159 * output.h (current_insn_predicate): Declare.
2161 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2162 Attach it to call insns.
2163 (cond_exec_process_if_block): Track probability for true and
2165 (dead_or_predicable): Likewise.
2167 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2168 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2169 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2170 (estimate_probability, expected_value_to_br_prob): Use them.
2172 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2173 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2174 (ia64_expand_prediction): New.
2175 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2176 as needed after calls.
2177 (ia64_epilogue_uses): Mark b0 used.
2178 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2179 (bne_true, bne_false): Remove.
2180 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2181 (br_true, br_false): New. Use predicate_operator and
2182 ia64_expand_prediction.
2183 (return_true, return_false): Likewise.
2184 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2185 (call_internal1, call_value_internal): Likewise.
2186 (call_value_internal1, call_multiple_values_internal1): Likewise.
2188 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2190 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2192 2000-05-08 Richard Henderson <rth@cygnus.com>
2194 * rtlanal.c (may_trap_p): Consider old-style and volatile
2197 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2199 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2201 2000-05-08 Richard Henderson <rth@cygnus.com>
2203 * config/ia64/ia64.h (predicate_operator): Declare.
2205 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2208 * gensupport.c (process_rtx): Copy and post-process each member
2209 of the define_insn rtvec individually.
2211 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2213 * cpplex.c (spell_token): New function.
2214 (TOKEN_LEN): Add 1 for whitespace.
2215 (_cpp_lex_file): Update to use spell_token.
2216 * cpplib.h (E): Remove.
2217 (TTYPE_TABLE): Update CPP_VSPACE entry.
2219 2000-05-08 Richard Henderson <rth@cygnus.com>
2221 * flow.c (init_propagate_block_info): Watch out for conditional
2222 branch to next instruction, and thus one outgoing edge.
2224 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2225 for global register variables; don't special case __[CD]TOR_LIST__;
2226 mind ggc_p for string allocation.
2228 2000-05-08 Nick Clifton <nickc@cygnus.com>
2230 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2232 2000-05-08 Bruce Korb <bkorb@gnu.org>
2234 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2235 i?86-*-msdosdjgpp* no longer uses fixincludes
2236 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2237 * fixinc/inclhack.sh: deleted
2238 * fixinc/hackshell.tpl: deleted
2239 * fixinc/inclhack.tpl: deleted
2240 * fixinc/Makefile.in: Remove dependencies on above
2241 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2243 2000-05-08 Andreas Jaeger <aj@suse.de>
2245 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2248 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2250 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2253 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2255 * cpplex.c: Move new lexer definitions and prototypes
2256 to top. Conditional include these and the code if
2257 NEW_LEXER is defined. Rename functions whose names
2258 clash if this code included.
2260 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2262 * rtl.def (COND_EXEC): Clarify.
2264 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2265 same fashion as zero_extendsidi2.
2267 2000-05-06 Richard Henderson <rth@cygnus.com>
2269 * config/ia64/ia64.c (predicate_operator): New.
2270 (ia64_print_operand): Handle 'J'.
2271 (rtx_needs_barrier): Handle COND_EXEC.
2272 * config/ia64/ia64.h (BRANCH_COST): Define.
2273 (PREDICATE_CODES): Update.
2274 * config/ia64/ia64.md: Docuement used unspec values.
2275 (attr predicable): New.
2276 (movxf, movxf_internal): New.
2277 (extendsfdf2): Don't comment out nop.
2278 (floatdidf2): Remove.
2279 (truncxfsf2, truncxfdf2, floatdixf2): New.
2280 (abssi2, absdi2): Put the neg in the "true" slot.
2281 (conditional branch instructions): Mark not predicable.
2282 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2283 (abs*_internal): Likewise.
2284 (alloc, set_bsp): Mark not predicable.
2285 (barrier, insn_group_barrier, flush_cache): Likewise.
2286 (define_cond_exec): New.
2288 2000-05-06 Richard Henderson <rth@cygnus.com>
2290 * c-decl.c: Include "tm_p.h".
2292 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2293 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2294 (ia64_expand_op_and_fetch): Declare.
2295 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2296 (setjmp_operand): Constify variables for XSTR.
2297 (ia64_encode_section_info): Likewise.
2298 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2300 (ia64_asm_output_external): Constify name.
2301 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2302 (process_for_unwind_directive): Provide switch default.
2303 (ia64_expand_compare_and_swap): Remove unused variables.
2304 (ia64_expand_builtin): Likewise.
2305 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2308 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2309 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2310 (shift_count_operand, shift_32bit_count_operand): Likewise.
2311 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2312 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2313 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2314 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2315 (ia64_expand_builtin): Likewise.
2316 (call_multiple_values_operation): Make dest_regno unsigned.
2318 2000-05-06 Richard Henderson <rth@cygnus.com>
2320 * rtl.def (DEFINE_COND_EXEC): New.
2321 * md.texi: Document it.
2323 * gensupport.c (input_file): Remove.
2324 (struct queue_elem): Add lineno.
2325 (rtx_ready_queue): Remove.
2327 (predicable_default): New.
2328 (predicable_true, predicable_false): New.
2329 (define_attr_queue, define_attr_tail): New.
2330 (define_insn_queue, define_insn_tail): New.
2331 (define_cond_exec_queue, define_cond_exec_tail): New.
2332 (other_queue, other_tail): New.
2333 (queue_pattern): New.
2334 (process_rtx): Add patterns to the appropriate queues.
2335 (is_predicable, identify_predicable_attribute): New.
2336 (n_alternatives, collect_insn_data): New.
2337 (alter_predicate_for_insn, alter_test_for_insn): New.
2338 (shift_output_template, alter_output_for_insn): New.
2339 (process_one_cond_exec, process_define_cond_exec): New.
2340 (init_md_reader): Read the entire file. Process define_cond_exec.
2341 (read_md_rtx): Return elements from the queues.
2343 2000-05-06 Richard Henderson <rth@cygnus.com>
2345 * flow.c (mark_set_1): Don't update conditional life info
2346 if the register is not_dead.
2348 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2350 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2351 (mostlyclean): Also delete fixincl, fixinc.sh, and
2352 specs.ready, and make clean in the fixinc subdir.
2354 2000-05-06 Richard Henderson <rth@cygnus.com>
2356 * Makefile.in (gensupport.o): Compile for the host.
2357 (host-prefix gensuuprt.o): Remove.
2358 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2359 (genattrtab.o): Likewise.
2360 (gencodes.o): Depend on gensupport.h.
2361 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2362 (genpeep.o, genattr.o, genoutput.o): Likewise.
2364 * gensupport.c (obstack, rtl_obstack): New.
2365 (init_md_reader): Initialize rtl_obstack.
2366 * gensupport.h (rtl_obstack): Declare.
2367 (message_with_line): Declare.
2369 * genattr.c: Remove all traces of obstack manipulation.
2370 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2371 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2373 * genattrtab.c (obstack, rtl_obstack): Remove.
2374 (main): Don't init rtl_obstack.
2375 * genflags.c: Likewise.
2377 * genrecog.c (message_with_line): Move ...
2378 * gensupport.c: ... here.
2380 2000-05-06 Richard Henderson <rth@cygnus.com>
2382 * c-typeck.c (build_c_cast): Remove dead code.
2384 2000-05-06 Richard Henderson <rth@cygnus.com>
2386 * flow.c (split_edge): Don't allocate global_live_at_start for
2387 the new block unless the old blocks had them as well.
2389 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2391 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2392 test_bb if a or b uses x.
2394 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2396 * cpphash.h: Remove conditional #define of __extension__.
2397 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2398 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2399 (ENABLE_RTL_CHECKING only).
2400 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2401 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2402 (ENABLE_TREE_CHECKING only).
2403 * varray.h: Add __extension__ to VARRAY_CHECK macro
2404 (ENABLE_CHECKING only).
2406 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2408 Use new tail-calling mechanism on ARM.
2409 * arm.md (sibcall, sibcall_value): New expands.
2410 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2411 (tailcalling peepholes): Delete.
2412 (push_multi): Simplify.
2413 * arm.c (lr_save_eliminated): Delete definition.
2414 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2415 (output_return_instruction): Remove checks on lr_save_eliminated.
2416 (output_arm_prologue): Remove old tail-calling code.
2417 (arm_output_epilogue): New parameter, really_return. All callers
2418 changed. Handle tail-calling epilogues.
2419 * arm.h (lr_save_eliminated): Delete declaration.
2420 (frame_pointer_needed): Delete declaration.
2421 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2423 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2425 * arm.c (thumb_code): Define it.
2426 (arm_override_options): Set it.
2427 * arm.h (thumb_code): Declare it.
2429 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2431 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2433 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2435 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2436 bogus clobber to insns.
2437 (load_multiple_operation, store_mulitple_operation): Don't check
2439 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2441 * arm.md (and_scc, ior_scc): Add missing mode.
2443 * arm.md (call_value_symbol): Remove predicate from op2.
2445 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2447 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2449 * expr.c (get_subtarget): New function.
2450 (force_operand, expand_expr, do_store_flag): Use it.
2452 * toplev.c (compile_file): Don't take strlen of NAME if null.
2454 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2456 * xcoffout.c (xcoff_current_include_file,
2457 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2458 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2460 (xcoffout_declare_function): Make name 'const char *'.
2461 (xcoffout_end_epilogue): Make fname 'const char *'
2462 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2463 xcoffout_declare_function, xcoffout_source_line): Match above.
2465 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2467 * rs6000.c (print_operand): Fix lossage typo.
2468 (output_cbranch): Remove "cr" decoration for now.
2469 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2471 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2473 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2476 2000-05-05 Bruce Korb <bkorb@gnu.org>
2478 * fixinc/genfixes: Improve the matching for make target names
2480 2000-05-05 Catherine Moore <clm@cygnus.com>
2482 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2483 attribute to the decl.
2484 * c-decl.c (pushdecl): Propagate the USED attribute to the
2487 2000-05-05 Richard Henderson <rth@cygnus.com>
2489 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2490 same way emit_group_load does.
2492 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2494 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2496 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2499 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2501 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2503 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2505 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2506 to support -shared, on platforms with dynamic libraries.
2508 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2510 * system.h (S_ISBLK): Provide fallback definition.
2512 2000-05-05 Geoff Berry <geoffb@bops.com>
2514 * extend.texi (Extended Asm): Document inability to give asm
2515 statements access to condition codes.
2517 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2519 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2520 as arg 2 of UNIQUE_SECTION.
2522 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2524 * predict.c: Remove May 4 change.
2525 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2526 if we have predicted the branch at 50-50 probability.
2528 2000-05-05 Richard Henderson <rth@cygnus.com>
2530 * flow.c (init_propagate_block_info): Fix merge error
2531 in HAVE_conditional_execution code.
2533 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2535 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2536 shift cycle for unknown shift count. Also generates dec + brpl.
2537 (ashlqi3_out): Don't generate dec + brpl which now generates by
2538 `out_shift_with_cnt'.
2539 (ashlhi3_out): Likewise.
2540 (ashlsi3_out): Likewise.
2541 (ashrqi3_out): Likewise.
2542 (ashrhi3_out): Likewise.
2543 (ashrsi3_out): Likewise.
2544 (lshrqi3_out): Likewise.
2545 (lshrhi3_out): Likewise.
2546 (lshrsi3_out): Likewise.
2548 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2550 * gcc.c (free_split_directories): Correct typo in explanation
2551 of make_relative_prefix.
2553 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2555 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2556 comparison codes to branch_comparison_operator.
2558 2000-05-04 Richard Henderson <rth@cygnus.com>
2560 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2562 2000-05-04 Richard Henderson <rth@cygnus.com>
2564 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2565 (DPBIT_FUNCS): Remove _sf_to_usi.
2566 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2568 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2569 between condition and jump.
2571 * libgcc2.c (near eh_context_specific): Comment #endif string.
2572 * longlong.h: Don't use strings with embedded newlines.
2574 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2576 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2577 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2578 (print_operand): Delete %t and %T codes.
2579 (output_cbranch): New function. Support branch prediction.
2580 * config/rs6000/rs6000.md: Use output_cbranch for
2581 conditional branches and returns.
2583 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2585 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2586 * stor-layout.c (place_field): Likewise.
2587 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2588 * expr.c (store_expr): Make align unsigned.
2589 * explow.c (plus_constant_wide): Make low words unsigned.
2590 * expmed.c (choose_multiplier): Likewise.
2591 * fold-const.c (fold): Likewise.
2592 * tree.h (build_int_2): Likewise.
2593 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2594 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2595 (init_emit): Change cast to unsigned char*.
2596 * varasm.c (compare_constant_1): Add cast to char*.
2597 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2598 * reload1.c (reload): Likewise.
2600 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2602 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2604 * predict.c (estimate_probability): If no prediction was found, then
2605 predict the successor that is the next physical block (if such a
2608 2000-05-04 Richard Henderson <rth@cygnus.com>
2610 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2612 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2614 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2616 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2618 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2619 attribute macros from here ...
2620 (CPP_SPEC): to here.
2621 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2622 (CPP_SPEC): Likewise.
2623 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2625 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2626 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2628 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2632 * diagnostic (vbuild_message_string, build_message_string,
2633 build_location_prefix, output_get_prefix, init_output_buffer,
2634 output_notice, vline_wrapper_message_with_location,
2635 v_message_with_decl, default_print_error_function): De-constify.
2636 (set_real_maximum_length): Prototype.
2638 * diagnostic.h (struct output_buffer, init_output_buffer,
2639 output_get_prefix, output_set_prefix): De-constify.
2641 * function.c (init_function_start): Constify.
2643 * gensupport.c (remove_constraints, process_rtx): Prototype.
2645 * gthr-posix.h: Indent uses of #pragma.
2647 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2650 * predict.c (find_expected_value): Delete prototype.
2651 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2653 * sbitmap.h (debug_sbitmap): Prototype.
2655 * ssa.c (compute_coalesced_reg_partition): Prototype.
2657 * stor-layout.c (debug_rli): Prototype.
2659 * tree.h (round_down): Prototype.
2660 (init_function_start): Constify.
2662 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2664 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2665 (overly conservative). Change extern inline wrappers to
2666 static inline, define them always, use PARAMS properly.
2667 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2668 whitespace warnings for \f and \v at the beginning of a line.
2670 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2672 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2675 2000-05-04 Bruce Korb <bkorb@gnu.org>
2677 * fixincl/inclhack.def: added broken_cabs -
2678 Remove `extern double cabs' declarations from math.h
2679 * fixincl/inclhack.sh: regen
2680 * fixincl/fixincl.x: regen
2681 * fixincl/fixincl.c: Remove BOGOSITY code
2682 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2684 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2686 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2688 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2689 when calling MEM_COPY_ATTRIBUTES.
2690 * emit-rtl.c (operand_subword, change_address): Likewise.
2691 * explow.c (stabilize): Likewise.
2692 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2693 * integrate.c (copy_rtx_and_substitute): Likewise.
2694 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2695 when calling MEM_COPY_ATTRIBUTES.
2696 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2698 * cse.c (gen_lowpart_if_possible): Likewise.
2699 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2700 * optabs.c (gen_move_insn): Likewise.
2701 * recog.c (validate_replace_rtx_1): Likewise.
2702 * simplify-rtx.c (add_mem_for_addr): Likewise.
2703 * stmt.c (expand_anon_union_decl): Likewise.
2704 * config/arm/arm.md: Likewise.
2705 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2706 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2707 (block_move_no_loop, block_move_sequence): Likewise.
2708 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2709 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2710 Clear MEM_ALIAS_SET.
2711 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2712 MEM_COPY_ATTRIBUTES.
2714 2000-05-03 Robert Lipe <robertlipe@usa.net>
2716 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2717 to suppress libgcc1.
2718 (i[34567]86-*-sco3.2v5*) Likewise.
2719 (i[34567]86-*-sco3.2v4*) Likewise.
2720 (i[34567]86-*-sco) Likewise.
2721 (i[34567]86-*-solaris2) Likewise.
2722 (i[34567]86-*-sysv5*) Likewise.
2723 (i[34567]86-*-sysv4*) Likewise.
2724 (i[34567]86-*-udk*) Likewise.
2725 (i[34567]86-*-sysv*) Likewise.
2727 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2729 * cpphash.h (U): New define, to correct type of string constants.
2730 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2731 routines, to do casts when passing unsigned strings to libc.
2732 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2734 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2735 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2736 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2737 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2738 second argument an U_CHAR *.
2740 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2741 length field, clean up initializer.
2742 (ISTABLE): Add __extension__ to designated-
2743 initializers version.
2744 * cpplex.c (CHARTAB): Likewise.
2746 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2747 case so the file won't be empty.
2749 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2751 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2752 (REORDER_BLOCK_SUCC): Removed.
2753 (enum reorder_skip_type): Removed.
2754 (skip_insns_between_block): Renamed to skip_insns_after_block.
2755 Removed second argument. Removed dead code and cleaned up.
2756 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2757 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2758 second parameter to skip_insns_after_block.
2760 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2762 * tree.c (staticp, case LABEL_DECL): New case.
2764 2000-05-03 Richard Henderson <rth@cygnus.com>
2766 * Makefile.in (start.encap): Do not depend on LIBGCC1.
2768 * mklibgcc1.in: Fix typo last change.
2770 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2772 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
2773 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
2774 (GCC_CFLAGS): Use it.
2775 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
2776 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
2777 objc/Make-lang.in: Use it.
2779 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
2781 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
2783 2000-05-03 Richard Henderson <rth@cygnus.com>
2785 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
2786 LIBGCC1 empty with libgcc1.null.
2788 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
2790 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
2793 2000-05-03 Greg McGary <gkm@gnu.org>
2795 * tree.h (tree_common): Add bounded_flag member. Remove
2796 inaccurate comment about number of remaining bits.
2797 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
2798 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
2799 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
2800 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
2801 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
2802 (TYPE_QUAL_BOUNDED): New constant.
2803 (TYPE_QUALS): Handle bounded qualifier.
2804 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
2805 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
2806 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
2807 TYPE_AMBIENT_BOUNDEDNESS): New macros.
2808 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
2809 (tree_type): Add pointer_depth member. Remove
2810 inaccurate comment about number of remaining bits.
2811 (DECL_POINTER_DEPTH): Add macro.
2812 (tree_decl): Add pointer_depth member.
2814 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
2816 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
2817 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
2818 (lshrhi3_out): Likewise.
2819 (ashrsi3_out): bugfix in shift by 8.
2820 (test_hard_reg_class): New function.
2821 * config/avr/avr.md: Bugfix inside conditions in peepholes.
2822 (ashlhi3): removed define_expand of this pattern.
2823 (*ashlhi3_insn): renamed to ashlhi3.
2824 (ashlsi3): removed define_expand of this pattern.
2825 (*ashlsi3_insn): renamed to ashlsi3.
2826 (ashrqi3): removed define_expand of this pattern.
2827 (*ashrqi3_insn): renamed to ashrqi3.
2828 (ashrhi3): removed define_expand of this pattern.
2829 (*ashrhi3_insn): renamed to ashrhi3.
2830 (ashrsi3): removed define_expand of this pattern.
2831 (*ashrsi3_insn): renamed to ashrsi3.
2832 (lshrhi3): removed define_expand of this pattern.
2833 (*lshrhi3_insn): renamed to lshrhi3.
2834 (lshrsi3): removed define_expand of this pattern.
2835 (*lshrsi3_insn): renamed to lshrsi3.
2837 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
2839 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
2840 inclusion of "system.h".
2842 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
2844 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
2847 2000-05-03 David Mosberger <davidm@hpl.hp.com>
2849 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
2850 if -mauto-pic is on.
2851 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
2852 -mconstant-gp is in effect and function-descriptors are being used
2853 to make indirect calls.
2854 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
2855 (MASK_AUTO_PIC): Ditto.
2856 (TARGET_CONST_GP): Ditto.
2857 (TARGET_AUTO_PIC): Ditto.
2858 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
2859 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
2860 -mno-pic is in effect.
2861 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
2862 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
2863 -mauto-pic is in effect.
2864 (gprel64_offset): New pattern.
2865 (load_gprel64): Ditto.
2866 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
2867 -mconstant-gp is in effect, no need to preserve gp around direct
2869 (call_value): Ditto.
2870 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
2871 (FUNCTION_PROFILER): Define.
2872 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
2873 @fptr() directive when -mno-pic or -mauto-pic is in effect.
2874 (ASM_OUTPUT_DESTRUCTOR): Ditto.
2876 2000-05-03 Richard Henderson <rth@cygnus.com>
2878 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
2879 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
2880 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
2881 (mklibgcc, libgcc.mk): New targets.
2882 (libgcc.a): Use libgcc.mk.
2883 (stmp-multilib): Likewise.
2884 (stmp-multilib-sub): Remove.
2885 (mostlyclean): Don't delete libgcc2 temp files.
2886 * configure.in (AC_PROG_CC_C_O): Add.
2887 (NO_MINUS_C_MINUS_O): Substitute it.
2888 (all_outputs): Add mklibgcc.
2889 * mklibgcc.in: New file.
2891 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
2893 * cppexp.c (op_t): Make an int.
2895 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
2897 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
2899 * gensupport.c (process_rtx): Fix macros used.
2901 2000-05-03 Richard Henderson <rth@cygnus.com>
2903 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
2904 call-clobbered registers of a call.
2906 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
2908 * gensupport.c: New file.
2909 * gensupport.h: New file.
2910 * Makefile.in (HOST_RTL): Depend on gensupport.
2911 (gensupport.o) New rule.
2912 * genattr.c: Use gensupport for reading .md files.
2913 * genattrtab.c: Ditto.
2914 * gencodes.c: Ditto.
2915 * genconfig.c: Ditto.
2917 * genextract.c: Ditto.
2918 * genflags.c: Ditto.
2919 * genopinit.c: Ditto.
2920 * genoutput.c: Ditto.
2922 * genrecog.c: Ditto.
2923 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
2924 * md.texi (Insn Splitting): Document define_insn_and_split.
2926 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
2928 * flow.c (verify_flow_info): Added two more sanity checks. The
2929 first checks that the blocks are numbered consecutively. The second
2930 checks that n_basic_blocks is actually equal to the number of
2931 basic blocks in the insn chain.
2933 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2935 * cpplib.h: Add accessor macros for token lists.
2936 * cpplib.c, cpphash.c, cpplex.c: Use them.
2938 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2940 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
2941 memory usage if not in a function.
2942 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
2943 return address if static.
2945 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
2947 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
2948 whether address may trap.
2950 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
2952 * bb-reorder (chain_reorder_blocks): Changed code to test for
2953 EDGE_FALLTHRU rather than making erroneous assumption that the
2954 first outgoing edge is the fall-through edge.
2956 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
2958 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
2959 ABI for varargs, across all MIPS. This is incompatible because the
2960 va_list (__builtin_va_list) structure is different, so a compilation
2961 unit passing a va_list and a compilation unit being passed one, should
2962 both be compiled with the same ABI. (The old structure had two
2963 pointers, now it has three.)
2965 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
2967 * bb-reorder.c (struct reorder_block_def): Remove members end,
2968 block_begin, and block_end.
2969 (REORDER_BLOCK_OLD_END): Delete.
2970 (REORDER_BLOCK_BEGIN): Delete.
2971 (REORDER_BLOCK_END): Delete.
2972 (chain_reorder_blocks): Remove dead code.
2974 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
2976 * bb-reorder.c (remove_scope_notes): Check for both types of scope
2977 notes as the end of a basic block before deleting.
2979 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
2981 * final.c (final_start_function): Fix spelling of "necessary".
2983 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
2985 * toplev.c (debug_ignore_block): Return int.
2986 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
2987 * toplev.h, dwarf2out.h: Adjust.
2988 * emit-rtl.c (remove_unnecessary_notes): Test return value.
2990 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
2991 * toplev.c, final.c, rtl.h: Adjust.
2993 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
2995 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
2996 * configure.in: Look for makeinfo in the unified tree, then
2997 for a system makeinfo which is sufficiently new.
2998 * Makefile.in: If configure says makeinfo is too old, don't
2999 build or install Info documentation.
3001 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3003 * cpphash.c (collect_params): Fix off-by-one error.
3004 (dump_hash_helper): Dump all four macro nodetypes.
3006 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3008 * cpphash.c (trad_stringify): Adjust p after stringification as
3011 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3013 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3014 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3016 * cppfiles.c (file_cleanup): Delete.
3017 * cpphash.c (macro_cleanup): Delete.
3018 (collect_objlike_expansion, collect_funlike_expansion,
3019 macarg, scan_arguments): Remove CPP_POP case.
3021 * cpplex.c (null_cleanup): Delete.
3022 (cpp_pop_buffer): Do the work that was done in the cleanups
3023 here. Call _cpp_unwind_if_stack from here.
3024 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3025 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3026 stack is the buffer _below_ the one we stacked.
3027 (cpp_get_token): Always pop an exhausted buffer. Return
3028 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3029 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3030 increment the line number.
3031 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3033 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3034 we see CPP_EOF and the top of stack is the buffer _below_ the
3036 * scan-decls.c: Likewise.
3038 2000-05-02 Andrew Haley <aph@cygnus.com>
3040 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3041 where this function is called for the second time on a decl that
3042 has had its section info changed in such a way as to move it out
3044 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3046 2000-05-01 Richard Henderson <rth@cygnus.com>
3048 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3049 the sequence we're moving, not to merge_bb->head.
3051 2000-05-01 Richard Henderson <rth@cygnus.com>
3053 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3054 reference to alpha/t-linux.
3055 (alpha*-*-linux-gnu*): Likewise.
3056 * configure: Rebuild.
3058 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3060 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3063 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3065 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3067 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3070 2000-05-01 Richard Henderson <rth@cygnus.com>
3072 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3073 emit_conditional_move.
3075 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3077 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3078 as the dynamic linker.
3080 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3082 * cppfiles.c (open_include_file): Open file in blocking mode.
3083 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3084 Only exclude block devices and directories.
3086 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3087 static. Allocate the hashnode and its string in the same
3089 (del_HASHNODE): Don't free h->name.
3090 (_cpp_lookup): If there is no entry for this string, create
3091 one, of type T_VOID.
3092 (_cpp_lookup_slot): Delete.
3093 * cpphash.h: Update prototypes.
3095 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3097 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3098 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3099 node here, just fill in the value field properly. "Delete"
3100 entries by setting the value field to T_VOID. Check for
3101 hp->type == T_VOID, not hp == NULL.
3103 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3104 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3107 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3109 * config/mn10300/mn10300.c (print_operand_address): Do not add
3112 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3113 adjusted by less than 256 bytes, use ret regardless of having any
3114 callee-saved register to restore.
3116 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3118 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3120 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3122 * config/i386/djgpp.h (INT_ASM_OP): Define.
3123 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3124 (ASM_WEAKEN_LABEL): Define.
3125 (MASK_BNU210): Define.
3126 (SUBTARGET_SWITCHES): Define.
3127 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3128 (MAKE_DECL_ONE_ONLY): Define.
3129 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3131 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3133 * i386/cygwin.h (INT_ASM_OP): Define.
3135 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3137 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3138 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3140 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3142 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3143 __tmp_reg__ and __zero_reg__ initialization.
3145 2000-04-30 Richard Henderson <rth@cygnus.com>
3147 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3149 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3150 referenced bewteen the condition and the jump. Don't delete
3151 anything but the jump.
3153 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3155 * bb-reorder.c (scope_def): New struct.
3156 (scope_forest_info): New struct.
3157 (struct reorder_block_def): New member "scope".
3158 (REORDER_BLOCK_SCOPE): New macro.
3159 (relate_bbs_with_scopes): New function and prototype.
3160 (make_new_scope): Likewise.
3161 (build_scope_forest): Likewise.
3162 (remove_scope_notes): Likewise.
3163 (insert_intra_1): Likewise.
3164 (insert_intra_bb_scope_notes): Likewise.
3165 (insert_inter_bb_scope_notes): Likewise.
3166 (rebuild_scope_notes): Likewise.
3167 (free_scope_forest_1): Likewise.
3168 (free_scope_forest): Likewise.
3169 (dump_scope_forest): Likewise.
3170 (dump_scope_forest_1): Likewise.
3171 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3172 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3174 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3175 and remove_scope_notes before reordering is done. Added calls to
3176 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3177 after reordering is done.
3179 2000-40-30 Bruce Korb <bkorb@gnu.org>
3181 * fixinc/inclhack.def: Added definitions needed by OSR5,
3182 removed two stale entries (defined away with OLD_CPP).
3183 * fixinc/inclhack.sh: regen
3184 * fixinc/fixincl.x: regen
3186 2000-04-30 Richard Henderson <rth@cygnus.com>
3188 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3189 from the last insn in the sequence.
3191 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3193 * cpplex.c (cpp_idcmp): New function.
3194 * cpplib.h: Prototype it.
3195 * scan_decls.c (scan_decls): Use it to inspect token names.
3196 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3197 the file being run through the preprocessor.
3198 (check_macro_names): Provide length of token to cpp_defined.
3200 * Makefile.in: Remove stale warning message.
3202 * cppfiles.c (redundant_include_p): Provide length of token to
3204 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3205 values are unsigned int.
3206 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3207 (_cpp_lookup_slot): Do not calculate the hash, either.
3208 * cpphash.h: Update prototypes.
3209 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3210 Hashes are unsigned int. Calculate hash here, pass by value
3211 to _cpp_lookup_slot.
3213 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3215 * simplify-rtx.c (check_value_useless): Delete function.
3216 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3218 (cselib_invalidate_regno): Likewise.
3219 (cselib_invalidate_mem_1): Likewise.
3220 (references_value_p): Recognize useless values by the fact that they
3222 (discard_useless_values): Likewise.
3223 (cselib_record_set): This may turn a useless value
3226 2000-04-30 Richard Henderson <rth@cygnus.com>
3228 * config/d30v: New port.
3230 * configure.in (d30v-*): Set fp format.
3231 * configure: Rebuild.
3233 2000-04-30 Richard Henderson <rth@cygnus.com>
3235 * ifcvt.c: New file.
3236 * Makefile.in (OBJS): Add it.
3237 (ifcvt.o): New target.
3238 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3239 and conditional arithmetic.
3240 (find_insert_position): Remove.
3241 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3242 * toplev.c (DFI_ce, DFI_ce2): New.
3243 (dump_file): Add ce and ce2 dumps.
3244 (rest_of_compilation): Run if_convert a couple o times. Set
3245 cse_not_expected after cse2. Don't set no_new_pseudos until
3246 after sched1 or recompute_reg_usage.
3248 2000-04-30 Richard Henderson <rth@cygnus.com>
3250 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3251 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3253 2000-04-30 Richard Henderson <rth@cygnus.com>
3255 * flow.c (struct reg_cond_life_info): New.
3256 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3257 (init_propagate_block_info): Initialize them.
3258 (free_propagate_block_info): Destruct them.
3259 (mark_set_1): Consider conditional life before killing a register.
3260 (mark_regno_cond_dead): New.
3261 (free_reg_cond_life_info): New.
3262 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3263 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3264 (mark_used_reg): Record conditional life.
3266 * haifa-sched.c (schedule_insns): Disable death counting
3267 sanity check for HAVE_conditional_execution.
3269 2000-04-30 Richard Henderson <rth@cygnus.com>
3271 * Makefile.in (TIMEVAR_H): New.
3272 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3273 (timevar.h): Remove rule.
3275 2000-04-29 Richard Henderson <rth@cygnus.com>
3277 * config/alpha/crtend.asm: Use C comments instead of #.
3278 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3280 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3282 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3284 * cpphash.h (enum node_type: Take out T_MCONST.
3285 (union hashval): Move into struct hashnode.
3286 (struct hashnode): Pack tighter. Remove file, line, col
3288 * cpphash.c: Constify most of the macro-definition structures.
3289 (struct definition): Replace by struct object_defn
3290 and struct funct_defn. Put file, line, column information
3291 here. All users updated to match.
3292 (_cpp_create_definition, _cpp_macroexpand): Remove special
3293 case for #define WORD OTHERWORD.
3294 * cpplib.c (do_undef): Remove T_MCONST case.
3296 * cpphash.h: Move struct reflist, struct definition, and the
3297 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3298 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3299 * cpphash.c (_cpp_free_definition): Free data pointed to by
3300 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3301 (_cpp_create_definition, del_HASHNODE): Just call
3302 _cpp_free_definition to clear out a hashnode.
3303 * cpplib.c (do_pragma_poison): Likewise.
3305 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3307 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3308 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3309 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3310 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3311 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3312 REGNO_AM33_P): Redefine in terms of the new macros.
3313 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3314 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3315 STRUCT_VALUE): Likewise.
3316 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3317 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3319 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3321 * regmove.c (struct record_stack_memrefs_data): New.
3322 (record_stack_memrefs): New function.
3323 (combine_stack_adjustments_for_block): Use it.
3325 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3327 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3328 use special_function_p to detect alloca.
3330 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3332 * gcc.texi: Fixes for makeinfo 4.0 --html.
3334 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3336 * pcp.h: Delete file.
3338 2000-04-28 Kazu Hirata <kazu@hxi.com>
3340 * h8300.c (function_epilogue): Clean up flags when the last insn
3341 in a function is a barrier.
3343 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3345 * configure.in (sparc-hal-solaris2*): protect [] glob from
3347 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3348 rather than hard-coded constants in target_cpu_default2.
3349 * configure: Regenerate.
3351 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3353 * tree.c (get_callee_fndecl): Extract the initial value from
3356 2000-04-28 Richard Henderson <rth@cygnus.com>
3358 * varasm.c (record_constant_1): Record the CODE_LABEL when
3359 taking the address of a LABEL_REF.
3361 2000-04-28 Richard Henderson <rth@cygnus.com>
3362 Jan Hubicka <jh@suse.cz>
3364 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3365 adjustment; don't do the stack adjust.
3366 (expand_call): Call compute_argument_block_size right before
3367 allocating the block; update comment; don't do alignment sanity
3368 checking for sibling call; use args_size instead of
3369 unadjusted_args_size before args_size is adjusted. Use
3370 combine_pending_stack_adjustment_and_call to compute stack adjust
3371 for must_preallocate case.
3373 * expr.c (push_block): Remove shadow `temp' in inner scope.
3375 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3377 * toplev.c (rest_of_compilation): Call
3378 note_deferral_of_defined_inline_function even if the function
3381 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3383 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3385 2000-04-28 Richard Henderson <rth@cygnus.com>
3387 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3389 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3391 * timevar.c (init_timevar): DeANSIfy function definition.
3393 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3395 * Makefile.in (timevar.o): Depend on flags.h.
3396 * timevar.c (unused_stack_instances): New variable.
3397 (timevar_push): Take a timevar_stack_def from
3398 unused_stack_instances if available.
3399 (timevar_pop): Push the popped timevar_stack_def onto
3400 unused_stack_instances.
3401 (TIMEVAR_ENABLE): New macro.
3402 (timevar_def): Make standalone a 1-bit field. Add field used.
3403 (get_time): Rename parameter to now. Return after clearing it if
3405 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3406 (timevar_pop): Likewise.
3407 (timevar_stop): Likewise.
3408 (timevar_push): Likewise. Mark the timing variable as used.
3409 (timevar_start): Likewise.
3410 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3411 timevars that were never used.
3413 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3415 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3416 always TREE_READONLY.
3418 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3420 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3421 for call instruction with mode QImode.
3423 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3425 * Makefile.in (OBJS): Add timevar.o.
3426 (toplev.o): Depend on timevar.h.
3427 (ggc-simple.o): Likewise.
3428 (ggc-page.o): Likewise.
3429 (timevar.o): New rule.
3430 (timevar.h): New rule.
3432 * timevar.h: New file.
3433 * timevar.c: Likewise.
3434 * timevar.def: Likewise.
3436 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3437 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3439 (TIMEVAR): Remove macro.
3440 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3441 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3442 flow_time, combine_time, regmove_time, sched_time,
3443 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3444 sched2_time, dbr_sched_time, reorder_blocks_time,
3445 rename_registers_time, shorten_branch_time, stack_reg_time,
3446 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3448 (compile_file): Don't initialize time variables. Call
3449 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3450 of many calls to print_time.
3451 (rest_of_compilation): Add timing for reload_cse_regs.
3452 (get_run_time): Removed to timevar.c.
3453 (print_time): Likewise.
3454 (get_run_time): Implement using TV_TOTAL time variable.
3455 (print_time): Get total run time from get_run_time.
3456 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3457 computing elapsed time explicitly.
3458 * ggc-simple.c (ggc_collect): Likewise.
3459 (gc_time): Remove declaration.
3461 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3463 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3464 (expand_call): Use it.
3466 2000-04-27 Jan Hubicka <jh@suse.cz>
3468 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3471 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3473 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3476 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3478 * function.c (epilogue_done): Pass whole insn to record_insns.
3480 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3482 * cse.c (CSE_ADDRESS_COST): Remove.
3483 (find_best_addr): Add new parameter "MODE", use address_cost instead
3485 (address_cost): New.
3486 (fold_rtx): Update call of find_best_addr.
3487 * rtl.h (address_cost): Declare.
3488 * loop.c (general_induction_var): Add new parameter "MODE", use
3489 address_cost instead of ADDRESS_COST
3490 (init_loop): Use address_cost instead of ADDRESS_COST.
3491 (check_insn_for_givs): Update call of general_induction_var.
3492 (find_mem_givs): Likewise.
3493 (consec_sets_giv): Likewise.
3494 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3495 * i386.c (ix86_address_cost): New.
3496 * i386-protos.h (ix86_address_cost): Declare.
3498 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3500 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3503 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3505 * expr.c (store_expr): Use clear_storage instead of direct memset
3508 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3510 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3511 ASHIFT, AND and LABEL_REF.
3513 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3515 * invoke.texi (-foptimize-sibling-calls): Fix.
3517 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3519 * loop.c (load_mems) Don't use hard registers for the hoisting.
3521 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3522 calculation; rename const_equiv array in the preconditioning code
3523 from loop_unroll to loop_unroll_precondition
3525 2000-04-27 Richard Henderson <rth@cygnus.com>
3527 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3529 (propagate_one_insn): Clear it. Don't update reg_live here.
3530 (init_propagate_block_info): Update for pbi member changes.
3531 (free_propagate_block_info): Likewise.
3532 (mark_set_1): Know that zero_extract, sign_extract, and
3533 strict_low_part don't kill their argument. Alter hard subregs.
3534 Update new_set for non-CLOBBER sets. Update reg_live.
3535 (find_auto_inc): Update reg_live, not new_dead.
3536 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3537 to determine if the reg in question was set this insn. Only update
3538 reg info with PROP_REG_INFO.
3540 2000-04-26 Richard Henderson <rth@cygnus.com>
3542 * flow.c (allocate_reg_life_data): Set max_regno here ...
3543 (life_analysis): ... not here.
3545 * flow.c (calculate_global_regs_live): Force stack pointer
3548 2000-04-26 Richard Henderson <rth@cygnus.com>
3550 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3551 commit change group changes.
3552 (invert_exp_1): Similarly.
3553 (redirect_exp, invert_exp): Use them.
3554 (redirect_jump_1): New.
3555 (invert_jump_1): New.
3556 (jump_optimize_1): Remove code subsumed by condexec.c.
3557 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3559 2000-04-26 Richard Henderson <rth@cygnus.com>
3561 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3563 * genconfig.c (main): Set all HAVE_foo to 1.
3565 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3567 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3569 * invoke.texi: Document -fssa flag.
3571 2000-04-26 Richard Henderson <rth@cygnus.com>
3573 * flow.c (count_reg_sets_1): Remove.
3574 (count_reg_sets, count_reg_references): Remove.
3575 (recompute_reg_usage): Implement with update_life_info.
3576 Reallocate life data.
3578 2000-04-26 Richard Henderson <rth@cygnus.com>
3580 * flow.c (update_life_info): Consider blocks null to mean the
3582 (calculate_global_regs_live): Likewise.
3583 (life_analysis): Do that instead of collecting all_blocks.
3585 2000-04-26 Richard Henderson <rth@cygnus.com>
3587 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3588 a still-valid conditional jump.
3590 2000-04-26 Richard Henderson <rth@cygnus.com>
3592 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3594 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3595 * flow.c (calculate_loop_depth): Remove.
3596 * output.h (calculate_loop_depth): Don't declare.
3597 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3598 inline; run estimate_probability at the same time.
3600 2000-04-26 Neil Booth <NeilB@earthling.net>
3602 * cpplib.h: "~=" is not a single pp-token.
3603 * cpplex.c: Correct commentary.
3605 2000-04-26 Richard Henderson <rth@cygnus.com>
3607 * flow.c (mark_set_1): New arguments code and flags; update all
3608 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3609 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3610 loop_depth when optimizing for size. Do new_dead update after
3611 emitting REG_UNUSED notes. Merge mark_set_reg code.
3612 (mark_set_reg): Remove.
3613 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3614 arrange to not emit REG_UNUSED notes.
3616 2000-04-26 Richard Henderson <rth@cygnus.com>
3618 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3619 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3621 2000-04-26 Richard Henderson <rth@cygnus.com>
3623 * flow.c (propagate_one_insn): Break out from propagate_block.
3624 (init_propagate_block_info): Likewise.
3625 (free_propagate_block_info): Likewise.
3626 (propagate_block): Use them. Export.
3627 * basic-block.h: Declare them all.
3629 2000-04-26 Richard Henderson <rth@cygnus.com>
3631 * basic-block.h (life_analysis): Declare here ...
3632 * output.h: ... not here.
3633 * flow.c (life_analysis): Remove nregs parameter; replace
3634 remove_dead_code with flags. Remove ssa dead code check.
3635 Only init alias analysis if we'll use it.
3636 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3637 * ssa.c (convert_to_ssa): Likewise.
3638 (convert_from_ssa): Likewise.
3639 * toplev.c (rest_of_compilation): Likewise.
3641 2000-04-26 Richard Henderson <rth@cygnus.com>
3643 * flow.c (flow_delete_block): Rename from delete_block. Export.
3644 * basic-block.h (flow_delete_block): Declare.
3646 2000-04-26 David S. Miller <davem@redhat.com>
3648 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3649 taking a PATTERN of it.
3651 2000-04-26 <NeilB@earthling.net>
3653 * cpplex.c (spell_other, spell_char): Remove.
3655 (token_spelling, trigraph_map): Use unsigned chars.
3656 (_cpp_lex_line): Tidy up the switch statement.
3657 * cpplib.h: Implement spell_char with spell_string.
3660 2000-04-26 <RodneyBrown@pmsc.com>
3662 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3663 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3665 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3667 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3668 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3669 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3670 dwarf2out_return_save, dwarf2out_return_reg,
3671 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3672 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3673 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3675 * dwarf2out.h (dwarf2out_init): Likewise.
3677 * dwarfout.c (filename_entry, primary_filename, last_filename,
3678 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3680 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3681 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3682 dwarf2out_return_reg): Likewise.
3684 2000-04-26 Andreas Jaeger <aj@suse.de>
3686 * extend.texi (Function Attributes): Fix description of pure
3689 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3691 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3692 before calling rest_of_compilation.
3694 2000-04-26 Andreas Jaeger <aj@suse.de>
3696 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3699 2000-04-25 Richard Henderson <rth@cygnus.com>
3701 * cse.c (cse_insn): Emit barrier after unconditional jump.
3703 * calls.c (expand_call): Disable tail call generation once
3704 rtx_equal_function_value_matters is false.
3706 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3709 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3711 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3713 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3715 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3716 is the primary DIE for a member function.
3717 (gen_decl_die): Call set_decl_origin_self here.
3718 * dwarfout.c (output_decl): And here.
3719 * integrate.c (output_inline_function): Not here.
3720 Don't clear DECL_INLINE until after calling rest_of_compilation.
3721 (set_decl_origin_self): No longer static.
3722 * tree.h: Add prototype.
3723 * toplev.c (note_deferral_of_defined_inline_function): Only write
3724 out abstract instance for actual inlines.
3726 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3728 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3729 EXTENDED_REGS only if TARGET_AM33.
3730 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3731 SP_REGS to register allocation and reloading unless absolutely
3733 (movsi3): Remove special-case of adding non-constants to SP.
3735 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3737 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3738 INCLUDES to search and does not provide any of its own. Also it
3739 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3740 parameters. Also it does not call AC_DEFINE.
3741 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3742 AC_DEFINE and provides for automatic entries for autoheader.
3743 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3745 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3746 so we can pass -I flags and include gansidecl.h/system.h in this
3749 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3751 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3753 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3754 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3755 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3757 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3758 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3759 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3760 for these macros. Clean up spacing and linewraps.
3762 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3764 * calls.c (expand_call): Use get_callee_fndecl.
3766 * print-tree.c (print_node): Print the chain of an _EXPR.
3768 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
3769 Jim Wilson <wilson@cygnus.com>
3770 Andrew Haley <aph@cygnus.com>
3772 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
3773 and gp save/restore problems.
3774 * config/ia64/crtend.asm: Add IA-64 unwind support.
3775 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
3776 in fr_pad_size calculation.
3777 (save_restore_insns): Move PR save area. Correct uses of
3778 RTX_FRAME_RELATED_P.
3779 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
3780 (ia64_expand_epilogue): Add eh_epilogue support.
3781 (ia64_function_prologue): Emit .prologue directive.
3782 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
3783 (ia64_override_options): Set init_machine_status and
3784 mark_machine_status.
3785 (rtx_needs_barrier): Handle bsp reads and writes.
3786 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
3787 New static variables.
3788 (process_set, process_for_unwind_directive): New functions.
3789 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
3790 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
3791 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
3793 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
3794 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
3795 (struct machine_function): Define.
3796 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
3798 2000-04-25 Bruce Korb <bkorb@gnu.org>
3800 * fixinc/Makefile.in: make the removal of old programs more
3802 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
3803 install-bin and install-sh
3805 2000-04-25 Nick Clifton <nickc@cygnus.com>
3807 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
3808 defined, define to return zero.
3809 (function_cannot_inline_p): If a function has any target
3810 specific attributes, then use the macro
3811 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
3812 whether it can be inlined. If it cannot, issue a suitable
3815 * tm.texi: Add a new node 'Inlining' to document the new macro
3816 FUNCTION_ATTRIBUTE_INLINABLE_P.
3818 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
3820 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
3823 2000-04-25 Neil Booth <NeilB@earthling.net>
3825 Restore previous patch, plus the following fixes:
3827 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
3828 flags, not CPP_OPEN_PAREN.
3829 * cpplex.c (expand_token_space, init_token_list,
3830 cpp_free_token_list): Put the dummy token at list->tokens[-1].
3831 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
3833 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3835 * config/i386/freebsd.h (INT_ASM_OP): Define.
3837 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
3839 * loop.c (strength_reduce): Fix typo in the last checkin.
3841 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3843 * stor-layout.c (finalize_record_size): Simplify to use existing
3845 (compute_record_mode): No longer static.
3846 * tree.h (compute_record_mode): New declaration.
3848 2000-04-25 Neil Booth <NeilB@earthling.net>
3850 * Revert my patch below until cause of build failures
3853 2000-04-25 Richard Henderson <rth@cygnus.com>
3855 * combine.c (combine_instructions): Add missing argument
3858 * toplev.c (rest_of_compilation): Delay sibcall optimization
3859 until after emit_eh_context.
3861 2000-04-24 Nick Clifton <nickc@redhat.com>
3863 * combine.c (combine_instructions): Do not try to combine a
3864 sequence of insns when the second insn has been replaced by a
3867 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
3869 * gcc.c (load_specs): New static function.
3870 (read_specs): Use it.
3872 * gcc.c (lookup_compiler): Make multiple passes for case
3873 insensitive filesystems.
3875 2000-04-24 Neil Booth <NeilB@earthling.net>
3877 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
3878 * cpphash.h (_cpp_check_directive): new.
3879 * cpplex.c (handle_newline, cpp_free_token_list,
3880 init_trigraph_map, trigraph_ok, trigraph_replace,
3881 backslash_start, skip_block_comment, skip_line_comment,
3882 skip_whitespace, parse_name, parse_number, parse_string,
3883 copy_comment, _cpp_lex_line, spell_char, spell_string,
3884 spell_comment, spell_name, spell_other, _cpp_lex_file,
3885 _cpp_output_list): new.
3886 (expand_name_space): take length argument.
3887 (init_token_list): add comment list initialisation.
3888 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
3889 instead of HSPACE_BEFORE.
3891 * cpplib.c (_cpp_check_directive): new
3892 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
3893 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
3894 (HSPACE_BEFORE): delete.
3895 (TTYPE_TABLE): rearrange.
3896 (struct cpp_toklist): update.
3898 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3900 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
3901 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
3902 argument form of AC_DEFINE.
3904 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
3905 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
3906 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
3907 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
3908 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
3910 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
3912 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3914 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
3915 deduced.h): Use -isystem, not -I, for including system headers.
3917 2000-04-24 Nick Clifton <nickc@cygnus.com>
3919 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
3920 the source register is the frame pointer or arg pointer.
3921 (addsi3_small_int): Disallow if source register is the frame
3922 pointer or arg pointer.
3924 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3926 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
3927 call to AC_MSG_RESULT.
3929 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3931 * invoke.texi: Correct grammatical errors, document
3932 -fno-gnu-keywords as identical to -fno-asm for C++.
3934 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3936 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
3937 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
3938 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
3939 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
3940 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
3942 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
3943 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
3944 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
3945 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
3948 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
3950 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
3951 (pop_alignment): Likewise.
3952 (handle_pragma_token): Likewise.
3954 2000-04-24 Robert Lipe <robertlipe@usa.net>
3956 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
3958 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
3960 * combine.c (try_combine): Update reg_nonzero_bits of
3961 newi2pat before newpat.
3963 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
3965 * loop.c (strength_reduce): Simplify test to INSN_P.
3966 (record_giv): Attempt to simplify the add value, use CONSTANT_P
3967 expressions instead of CONST_INT.
3968 (express_from_1): Likewise.
3970 2000-04-24 Mark Mitchell <mark@codesourcery.com>
3972 * regs.h (reg_n_max): Don't declare.
3973 * flow.c (reg_n_max): Don't define.
3974 * regclass.c (renumber): Don't initialize to zero.
3975 (regno_allocated): Likewise.
3976 (reg_n_max): Define.
3977 (allocate_reg_info): Don't initialize unnecessarily.
3979 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
3981 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
3982 and blockage_p in the newly allocated attribute.
3984 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
3986 * config/mn10300/mn10300.md (addsi): `inc4' on address
3987 registers does not modify cc, but `inc' on an extended
3990 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
3992 * reload.c (find_equiv_reg): Checks all valueno regs
3993 as a reload_reg_p regs.
3995 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
3997 * cpphash.c (collect_objlike_expansion): Add sanity check.
3998 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
3999 the buffer is the empty string, return. Mark __DATE__ and
4000 __TIME__ as XCONST nodes, not MCONST.
4001 (_cpp_macroexpand): Avoid pushing an empty buffer.
4002 (funlike_macroexpand): Don't pop token_buffer here.
4004 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4006 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4007 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4008 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4009 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4010 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4011 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4012 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4014 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4016 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4019 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4021 * cpphash.h (struct definition): Move file, line, col members...
4022 (struct hashnode): ... here. Also add 'disabled' flag.
4023 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4024 T_IDENTITY. Remove T_DISABLED.
4027 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4028 (collect_expansion): Split into collect_objlike_expansion and
4029 collect_funlike_expansion.
4030 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4031 funlike_macroexpand.
4032 (_cpp_compare_defs): Rename compare_defs, make static.
4033 (_cpp_make_hashnode): Initialize hp->disabled.
4034 (macro_cleanup): Adjust for new token types. Clear
4036 (_cpp_create_definition): Move code here to determine what
4037 sort of macro it is, and code to check for redefinitions, from
4038 do_define. Implement a few simple cases without creating a
4040 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4041 Handle the simple cases.
4042 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4045 * cppinit.c (builtin_array): Change MCONST to XCONST
4047 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4048 fix check for disabled and function-like macros.
4049 * cpplib.c (do_define): Move most logic to
4050 _cpp_create_definition.
4051 (do_undef): Handle new special token types.
4053 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4055 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4056 of CONSTANT_P for mult_val; always use validate_change to update insn.
4058 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4060 * cpphash.c (trad_stringify, add_pat): New functions.
4061 (collect_expansion): Restore support for -traditional syntax.
4062 Use trad_stringify and add_pat.
4063 (_cpp_macroexpand): Restore support for -traditional semantics.
4064 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4065 get a COMMENT token.
4066 (_cpp_lex_token): Provide COMMENT tokens to caller if
4067 traditional and parsing_define_directive.
4068 (skip_comment): Warn about // comments if -Wtraditional.
4069 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4071 (do_undef): Don't warn about undefining EMPTY nodes.
4073 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4075 * loop.c (strength_reduce): Fix biv removal code.
4077 2000-04-22 Richard Henderson <rth@cygnus.com>
4079 * predict.c (estimate_probability): Examine both sides of
4080 a branch for no exits. Use 90% not 50% for predict taken.
4081 Reorg for one copy of note generation code.
4083 2000-04-22 Richard Henderson <rth@cygnus.com>
4085 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4087 2000-04-22 Richard Henderson <rth@cygnus.com>
4089 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4090 (output_clear): Likewise.
4091 (output_printf): Use va_copy.
4092 (vline_wrapper_message_with_location): Likewise.
4093 (v_message_with_decl): Likewise.
4094 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4095 * system.h (va_copy): Provide default implementation.
4097 2000-04-22 Richard Henderson <rth@cygnus.com>
4099 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4100 the collected condition is not a constant.
4102 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4104 * diagnostic.h: New file.
4106 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4108 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4109 various function prototypes.
4110 (diagnostic.h): #include.
4111 (struct output_buffer): Move into diagnostic.h.
4112 (get_output_prefix): Rename to output_get_prefix. Export.
4113 (init_output_buffer): Export. Break out. Ajust intialization.
4114 (output_space_left, output_append): Export.
4115 (output_newline): Rename to output_add_newline. Export.
4116 (output_clear): Nullify additional output_buffer fields.
4117 (output_puts): Rename to output_add_string. Export.
4118 (dump_output): Rename to output_flush_on. Export.
4119 (build_location_prefix): Constify return-type.
4120 (emit_output_prefix): Rename to output_emit_prefix. Export.
4121 (set_real_maximum_length): New function.
4122 (output_set_maximum_length): Ditto
4123 (output_clear): Ditto.
4124 (output_add_character): Ditto.
4125 (output_add_integer): Ditto.
4126 (output_add_space): Ditto.
4127 (output_format): Ditto.
4128 (output_printf): Adjust buffer initialization.
4129 (vline_wrapper_message_with_location): Ditto.
4130 (v_message_with_decl): Ditto. Adjust call to output_puts
4131 and get_output_prefix.
4132 (default_print_error_function): Adjust buffer intialization.
4134 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4136 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4139 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4141 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4144 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4146 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4147 accurate data about SP moves.
4149 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4151 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4152 aliases to AM33 registers.
4154 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4156 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4157 to all EXTENDED bitmaps.
4159 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4161 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4162 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4163 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4165 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4167 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4168 the operand is not constant.
4170 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4172 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4173 as a call-clobbered regs.
4175 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4177 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4179 * rtl.def: Update comment.
4180 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4181 * integrate.c (expand_inline_function): Likewise.
4182 * profile.c (branch_prob): Likewise.
4183 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4184 * print-rtl.c (print_rtx): Likewise.
4185 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4186 (reemit_notes): Likewise; also use enum insn_note.
4188 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4189 (place_field): Properly compute know and actual alignment.
4191 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4194 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4197 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4199 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4200 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4201 (collect_expansion): Rewrite to scan over a token list.
4202 Remove -traditional support.
4203 (collect_formal_parameters): Rename to collect_params; rewrite
4204 to scan over a token list.
4205 (_cpp_create_definition): Adjust to scan a token list.
4206 (_cpp_macroexpand): Remove -traditional support.
4207 (_cpp_compare_defs): Whitespace is now canonicalized.
4208 (comp_def_part): Delete function.
4210 * cpphash.h: Update prototypes.
4211 * cpplex.c (init_token_list): Don't set lineno if there is no
4213 (pedantic_whitespace): New function.
4214 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4215 consume a newline. Use pedantic_whitespace.
4216 (_cpp_lex_token): Remove support for -traditional macros.
4217 (_cpp_get_define_token): Delete.
4218 (_cpp_get_directive_token): Do the real work here. Use
4219 pedantic_whitespace.
4220 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4222 * cpplib.c (get_macro_name): Delete.
4223 (do_define): Read the entire line into pfile->directbuf, then
4224 feed the token list to _cpp_create_definition.
4225 * cpplib.h (HSPACE_BEFORE): new define.
4226 (struct cpp_reader): Add a toklist member, "directbuf".
4228 * predict.c (estimate_probability): New heuristic: if a jump
4229 branches around a block with no successors, predict it taken.
4230 Disentangle control flow.
4232 2000-04-20 Richard Henderson <rth@cygnus.com>
4234 * loop.c (emit_iv_add_mult): Revert last change.
4236 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4238 * cpplib.h (enum cpp_ttype): Add token types for all
4239 punctuators. Distinguish pp-numbers from valid C numbers.
4240 Give some tokens better names. Initialize from macro.
4241 (struct cpp_name, cpp_token, cpp_toklist): New data
4244 * cpplex.c (bump_column, expand_name_space,
4245 expand_token_space, init_token_list, cpp_output_list,
4246 _cpp_scan_line): New functions.
4247 (output_line_command): Add third argument, new line number.
4248 * cpphash.h: Update prototypes.
4249 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4252 2000-04-20 Richard Henderson <rth@cygnus.com>
4254 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4256 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4258 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4261 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4263 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4264 REG_EQUAL note explaining the calculated value.
4266 * calls.c (expand_call): Avoid unnecesary precalculation
4267 and outgoing parameters space guarding for sibling calls.
4268 (store_one_arg): Likewise.
4270 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4272 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4273 (rest_of_compilation): Write sibling dump file and account
4274 for time as jump time.
4275 * invoke.texi: Update documentation on dump flags.
4277 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4279 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4281 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4283 * cpphash.c (special_symbol): Represent an empty macro with
4284 "\r \r " not just "\r ".
4285 (_cpp_macroexpand): Correct condition for the foo ( ) special
4287 (unsafe_chars): Handle EOF as second argument.
4288 (push_macro_expansion): Simplify test for removing escape at
4289 end. Do not trim both escapes if there is no text in between.
4291 2000-04-19 Jim Blandy <jimb@redhat.com>
4293 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4294 of PTR_SIZE, when appropriate.
4296 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4298 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4299 (USE_ENUM_BITFIELDS): Fix typo.
4301 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4303 * stor-layout.c (place_field): Set rli->offset_align properly.
4305 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4307 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4308 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4309 PARM_BOUNDARY): Remove unnecessary casts.
4311 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4313 * calls.c (precompute_arguments): Remove must_preallocate and
4315 (expand_call): Update call of precompute_arguments.
4317 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4318 check_insn_for_givs): Break out from ...
4319 (strength_reduce) ... here; use for_every_insn_in_loop to call
4320 check_insn_for_givs.
4321 * loop.h (for_every_insn_in_loop): Declare.
4322 (loop_insn_callback): New type.
4324 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4326 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4329 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4331 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4334 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4336 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4338 * configure.in: Delete --disable-cpplib option and all
4339 references to cpp_main.
4340 * configure: Regenerate.
4341 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4342 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4343 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4344 cpp$(exeext). Add --no-headers to makeinfo command line when
4345 generating INSTALL. Install and uninstall cpp.1 manpage, not
4347 * install.texi: Delete all references to cexp.y/cexp.c.
4348 Delete ancient instructions for compiling GCC on 3b1.
4349 * INSTALL: Regenerate.
4351 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4352 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4353 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4355 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4356 which is no longer tested anywhere.
4358 * cppinit.c (handle_option): Don't run error message through
4361 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4363 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4364 * cpperror.c (hashtab.h): Now include.
4365 * cppexp.c (hashtab.h): Likewise.
4366 * cpplex.c (hashtab.h): Likewise.
4367 * cppfiles.c (hashtab.h): Likewise.
4368 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4369 to htab_find_slot_with_hash.
4370 * cpphash.c (hashtab.h): Now include.
4371 (_cpp_lookup_slot): INSERT is now enum insert_option.
4372 * cpphash.h (_cpp_lookup_slot): Likewise.
4373 * cppinit.c (hashtab.h): Include earlier.
4374 (initialize_builtins): Pass enum to htab_find_slot.
4375 * cpplib.c (hashtab.h): Now include.
4376 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4377 (do_pragma_poison, do_assert): Likewise.
4378 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4379 htab_find_slot_with_hash.
4380 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4381 * tree.c (type_hash_add): Likewise.
4382 (build1): Minor cleanup.
4384 * ggc-common.c: Add missing blanks.
4385 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4386 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4388 * stmt.c (mark_case_node): New function.
4389 (mark_case_nesting): Call it.
4391 * expmed.c (emit_store_flag): If comparing two-word integer
4392 with zero, can optimize NE, EQ, GE, and LT.
4394 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4395 * conflict.c: Minor cleanups.
4396 * optabs.c: Add blank line
4397 * simplify-rtx.c: Minor cleanups.
4399 2000-04-18 Stan Cox <scox@cygnus.com>
4401 * gengenrtl.c (genlegend): Fix misspelling.
4403 2000-04-18 Robert Lipe <robertlipe@usa.net>
4405 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4406 bitfields of the host compiler are not signed quantities.
4407 * config.in: Regenerate.
4408 * configure: Regenerate.
4409 * system.h (USE_ENUM_BITFIELDS): Added.
4410 (ENUM_BITFIELDS): Added.
4411 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4412 (SHORT_ENUM_BUG): Deleted.
4413 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4415 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4416 (CODE_FIELD_BUG): Likewise.
4417 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4419 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4421 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4423 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4426 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4428 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4429 * cpplib.c (do_include, do_import, do_include_next,
4430 read_line_number, detect_if_not_defined): Likewise.
4431 * cpphash.c (collect_expansion): Likewise.
4432 (special_symbol, _cpp_macroexpand): Check return from
4434 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4435 macros. Delete all uses.
4437 * gcc.dg/cpp-mi.c: Add two more test cases.
4438 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4440 2000-04-17 Richard Henderson <rth@cygnus.com>
4442 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4443 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4445 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4447 * function.c (expand_function_start): Use hard_function_value to
4448 compute the RTL to use for DECL_RESULT.
4450 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4452 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4453 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4454 x86_memory_mismatch_stall): New global variables.
4455 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4456 alloved; fix load penalties for Athlon.
4457 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4458 x86_memory_mismatch_stall): Declare.
4459 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4460 TARGET_MEMORY_MISMATCH_STALL): New.
4461 * i386.md (athlon scheduling parameters): Fix latencies according to
4462 Athlon Optimization Manual.
4463 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4465 (fsqrt instruction patterns): Set athlon_decode to direct.
4466 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4467 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4468 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4469 and TARGET_PARTIAL_REGISTER_STALL machines.
4470 (pushdf_nointeger): New pattern.
4471 (pushdf_integer): Rename from pushdf.
4472 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4473 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4475 2000-04-17 Richard Henderson <rth@cygnus.com>
4477 * loop.c (canonicalize_condition): Add WANT_REG argument.
4478 Stop the search if we match it.
4479 * expr.h (canonicalize_condition): Update decl.
4480 * predict.c (expected_value_to_br_prob): Use it. Track last
4481 expected value note.
4482 (find_expected_value): Remove.
4484 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4486 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4488 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4489 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4491 * configure.in: Call AC_FUNC_MMAP_FILE.
4492 * configure: Regenerate.
4493 * config.in: Regenerate.
4495 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4496 * fixinc/fixincl.c: Likewise.
4498 2000-04-17 Richard Henderson <rth@cygnus.com>
4500 * builtins.c (expand_builtin_expect): New.
4501 (expand_builtin): Call it.
4502 * builtins.def (BUILT_IN_EXPECT): New.
4503 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4504 * extend.texi: Document it.
4506 * predict.c (expected_value_to_br_prob): New.
4507 (find_expected_value): New.
4508 * basic-block.h (expected_value_to_br_prob): Declare.
4509 * toplev.c (rest_of_compilation): Invoke it.
4511 * rtl.h (NOTE_EXPECTED_VALUE): New.
4512 (NOTE_INSN_EXPECTED_VALUE): New.
4513 * rtl.c (note_insn_name): Update.
4514 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4515 cases; handle NOTE_INSN_EXPECTED_VALUE.
4517 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4519 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4520 leaf sibcall delay slot if flag_pic.
4521 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4523 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4525 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4527 * fixproto: If fix-header fails, exit with an error.
4529 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4531 * cse.c (struct check_depdendence_data): New.
4532 (check_dependence): New function.
4533 (invalidate): Use check_depdenence.
4535 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4537 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4538 UNITS_PER_WORD is unsigned.
4540 * tree.h (struct tree_common): Remove misleading comment.
4542 2000-04-16 Dave Pitts <dpitts@cozx.com>
4544 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4545 message in quotes. Otherwise, IBM's make program treats the '#' as the
4546 start of a comment and ignores the remainder of the line.
4548 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4550 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4551 * cexp.y (initialize_random_junk): Likewise.
4552 * cppfiles.c (find_include_file): Cast alloca return value.
4553 * cppinit.c (initialize_standard_includes): Likewise.
4554 * cpplib.c (cpp_define, cpp_undef): Likewise.
4555 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4556 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4557 * fold-const.c (CHARMASK): New.
4558 (real_hex_to_f): Use it.
4559 * real.c (CHARMASK): New.
4560 (etoasc, asctoeg): Use it.
4561 (asctoeg): EBCDIC lower case characters preceed upper case.
4563 * i370.c (mvs_add_label): Change spacing for coding conventions.
4564 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4565 outputing case vectors.
4566 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4567 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4568 since vector in in the data CSECT.
4569 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4570 * i370.md (Many patterns): Put the length in the XL directives.
4571 (movdi): Put back STM and MVC in definition.
4572 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4573 pattern using the TCA.
4574 * oe.h (CPP_SPEC): Added to allow trigraphs.
4575 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4576 not support the "long long" type.
4578 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4580 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4582 (mips_reg_mode_ok_for_base_p): Likewise.
4583 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4584 (REG_OK_FOR_INDEX_P): Define unconditionally.
4585 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4586 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4587 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4588 that GET_MODE_SIZE is unsigned.
4589 (mips_reg_mode_ok_for_base_p): Define.
4590 (mips_legitimate_address_p): Likewise. Adjust now
4591 that GET_MODE_SIZE is unsigned.
4592 (block_move_loop): Make the number of bytes unsigned.
4593 (expand_block_move): Likewise.
4594 (function_arg): Make the loop counter unsigned to match the
4597 2000-04-16 Richard Henderson <rth@cygnus.com>
4599 * rtl.h (enum insn_note): New enumeration. Subsume
4600 NOTE_INSN_DELETED and friends.
4601 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4602 * rtl.c (note_insn_name): Tweak string order.
4604 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4606 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4609 * cpplex.c (output_line_command): Remove debugging prints.
4610 (cpp_output_tokens): Don't write out a zero-length buffer or
4611 try to see if it has a newline in it.
4612 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4613 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4614 the end of the loop. Use memmove. Don't read past the end of
4615 the buffer. Remove trailing newlines from error messages.
4617 2004-04-16 Neil Booth <NeilB@earthling.net>
4619 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4620 * cpplib.c: Add new syntax flags to directive table, and
4623 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4625 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4628 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4630 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4631 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4633 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4635 * Makefile.in (ggc-page.o): Now includes toplev.h.
4636 * ggc-page.c (toplev.h): Now included.
4637 (gc_time): Remove declaration.
4638 (ggc_collect): TIME now long.
4639 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4641 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4643 * toplev.c: Make *_time variable long to reduce chance of overflow.
4644 (TIMEVAR): Likewise for `otime'.
4645 (print_time): Arg is now long; compute percentage in FP and round.
4646 * toplev.h (print_time): Arg is long.
4648 * tree.c: Minor whitespace changes.
4650 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4651 * configure: Rebuilt.
4652 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4653 (__fixunsxfDI): Renamed from __fixunsxfdi.
4654 (__fixunsdfDI): Renamed from __fixunsdfdi.
4655 (__fixunssfDI): Renamed from __fixunssfdi.
4656 (__floatdisf): Use proper type in REP_BIT macro.
4657 (__fixunsxfSI): Renamed from __fixunsxfsi.
4658 (__fixunsdfSI): Renamed from __fixunsdfsi.
4659 (__fixunssfSI): Renamed from __fixunssfsi.
4660 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4661 Change location of macros and upper-case some names as above.
4662 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4663 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4665 * varasm.c (assemble_variable): Add cast to remove warning.
4666 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4668 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4669 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4670 region number to -1.
4672 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4674 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4675 call unshare_all_rtl.
4677 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4679 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4681 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4682 Use .s1 not .s0 for all FP instructions.
4684 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4686 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4688 (safe_fwrite, output_line_command): New static functions.
4689 (cpp_expand_to_buffer): Now private to cpplib.
4690 (cpp_scan_buffer): Take a printer.
4692 * cpphash.h: Update prototypes.
4693 * cpplib.h: Update prototypes.
4695 (cpp_buffer): Remove last_nominal_fname.
4696 (cpp_reader): Remove lineno.
4698 * cppmain.c: Use a cpp_printer.
4699 * fix-header.c: No need to inhibit line commands. Call
4700 cpp_start_read with no printer.
4702 * cpperror.c (cpp_notice_from_errno): Provide default name.
4703 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4704 (find_include_file, cpp_read_file): Use make_IHASH.
4705 (file_cleanup): Set control_macro and clear
4706 input_stack_listing_current here.
4707 (_cpp_execute_include): Don't output entering-file marker.
4708 * cpphash.c (special_symbol): Look for the line number in the
4709 buffer, not the reader.
4710 (_cpp_macroexpand): No need to disable line commands.
4711 (_cpp_dump_definition): No need to generate line commands.
4712 (dump_hash_helper): Remove excess newline from output.
4713 * cppinit.c (dump_special_to_buffer): No need to generate line
4715 (cpp_printer_init): New.
4716 (cpp_start_read): Take a printer, and start it up if it's not
4717 NULL. No need to generate line commands.
4718 (cpp_finish): Expect no buffers stacked at all. Take a
4719 printer argument, and flush the output buffer if it's not
4721 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4722 Don't put two hashes at the beginning of an assertion.
4723 (cpp_get_token): Don't increment pfile->lineno or emit line
4724 commands here. Return EOF if there's no buffer when we get
4726 * cpplib.c (do_define, skip_if_group):
4727 No need to disable line commands.
4728 (_cpp_output_line_command): Delete function.
4729 (do_line): Don't emit line commands here, but set things up so
4730 they will be emitted if necessary. Use _cpp_fake_ihash to
4731 make unique nominal_fnames if necessary.
4732 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4733 with 0 for column, not -1.
4734 (_cpp_handle_eof): Don't set the control macro here. Don't
4735 clear input_stack_listing_current here. Don't emit line
4738 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4740 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4741 always, use the default SVR4 start address.
4743 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4744 (LINK_SHLIB_SPEC): Define.
4745 (LINK_START_DEFAULT_SPEC): Define.
4746 (LINK_OS_DEFAULT_SPEC): Define.
4748 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4750 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4751 __do_global_ctors to handle constructors.
4752 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4753 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4754 (STARTFILE_MVME_SPEC): Likewise.
4755 (STARTFILE_SIM_SPEC): Likewise.
4756 (ENDFILE_ADS_SPEC): Use crtend.
4757 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4758 (ENDFILE_MVME_SPEC): Likewise.
4759 (ENDFILE_SIM_SPEC): Likewise.
4760 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4761 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4762 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4763 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4764 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
4765 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
4766 (CRTSTUFF_T_CFLAGS_S): Define.
4767 * config/rs6000/eabi-ctors.c: Delete.
4769 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
4772 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
4776 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
4778 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
4779 plus mask size is smaller or equal to the mode size.
4781 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4783 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
4786 * expr.c (reload.h): Now included.
4787 (emit_block_move): Set volatile_ok when checking for movstr.
4788 (emit_move_1): Check for replacements in addresses in multi-word case.
4789 * Makefile.in (expr.o): Now includes reload.h.
4791 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
4792 Never have a LIBCALL end a basic block.
4793 (find_basic_blocks_1): Likewise.
4794 Reorganize CALL_INSN cases.
4796 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
4798 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
4800 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
4801 completers from mov.ret instruction.
4803 2000-04-14 Richard Henderson <rth@cygnus.com>
4805 * fold-const.c (extract_muldiv): Don't distribute and widen
4806 multiply across plus for non-sizetype unsigned types.
4808 2000-04-14 Richard Henderson <rth@cygnus.com>
4810 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
4811 If the original source is dead in the incr insn, it's dead now.
4813 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4815 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
4816 see if DECL_BIT_FIELD needs to still be set.
4818 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
4820 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
4821 print_int_cst_octal with something that's not an INTEGER_CST.
4823 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
4824 and not a SUBREG to a FLOAT rtl.
4826 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
4828 * emit-rtl.c (try_split): Avoid infinite loop if the split
4829 results in a sequence that contains the original insn.
4831 2000-04-13 Andreas Jaeger <aj@suse.de>
4833 * config/mips/mips.c (expand_block_move): Pass alignment
4834 argument to move_by_pieces in bits, not bytes.
4836 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
4837 __pic__ for little endian.
4839 2000-04-13 Andreas Jaeger <aj@suse.de>
4841 * config/i386/i386-protos.h: Add prototype for
4842 uno_comparison_operator.
4844 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4846 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
4847 * calls.c (ECF_PURE): New flag.
4848 (emit_call_1): Handle ECF_PURE calls.
4849 (initialize_argument_information): Unset ECF_PURE flag too.
4850 (precompute_arguments): Precompute for ECF_PURE too.
4851 (expand_call): Handle ECF_PURE calls too.
4852 (emit_library_call_value_1): Rename no_queue argument to fn_type,
4853 accept value of 2 as pure function.
4854 (emit_library_call_value, emit_library_call): Rename no_queue argument
4856 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
4858 * tree.h (DECL_IS_PURE): New macro.
4859 (struct tree_decl): Add pure_flag.
4860 * c-common.c (enum attrs): Add attribute "pure".
4861 (init_attributes): Initialize attribute "pure"
4862 (decl_attributes): Handle attribute "pure".
4863 * extend.texi (Attribute "pure"): Document.
4864 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
4866 (flags_from_decl_or_type): Support attribute "pure".
4868 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
4870 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
4871 the token except for numbers and identifiers.
4873 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
4875 * i386.c (ix86_expand_binary_operator,
4876 ix86_expand_unary_operator): Check no_new_pseudos
4877 instead of reload_in_progress and reload_completed.
4878 (ix86_split_ashldi, ix86_split_ashrdi,
4879 ix86_split_lshrdi): Check no_new_pseudos instead
4880 of reload_completed.
4882 2000-04-12 Jeffrey A Law (law@cygnus.com)
4884 * function.c (purge_addressof): Unshare any shared rtl created by
4885 purge_addressof and its children.
4887 2000-04-12 Mark Mitchell <mark@codesourcery.com>
4889 * function.c (aggregate_value_p): VOID_TYPE nodes are never
4892 2000-04-05 Andreas Jaeger <aj@suse.de>
4894 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
4895 not compiling PIC code, add flags for mabi=64.
4896 (SUBTARGET_CPP_SIZE_SPEC): New.
4897 (SUBTARGET_CPP_SPEC): New.
4898 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
4899 for MIPS/Linux and lots of code needs these defines.
4901 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
4903 * reorg.c (fill_slots_from_thread): Check side_effects_p when
4904 trying the "opposite arithmetic" approach.
4906 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4908 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
4909 (struct sh_args): Add new field force_mem.
4910 (INIT_CUMULATIVE_ARGS): Initialize it.
4911 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
4913 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
4915 * calls.c (expand_call): Do not reverse args in "equal from" field.
4916 (emit_library_call_value_1): Emit_libcall_block for const and pure
4919 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4921 * reload1.c (reload_combine): Don't enable optimization for fixed
4922 registers when encountering a BARRIER.
4924 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
4926 * builtins.c (expand_builtin_memcmp): Do expansion even with
4927 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
4929 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
4930 stack is propertly aligned; add sanity checking for aligned
4932 (expand_library_call_value_1): Add sanity checking for aligned
4935 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
4937 * calls.c (emit_library_call_value_1): Change 3rd arg to
4938 locate_and_pad_parm to disregard the setting of partial.
4940 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4942 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
4944 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
4945 CALL_INSN from the normal case.
4947 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
4949 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4950 New global variables.
4951 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
4953 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
4955 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
4956 TARGET_ADD_ESP_8): New macros.
4957 * i386.md: Add peep2s to convert esp adjustments to push and pop
4959 (pushsi_prologue, popsi_epilogue): New patterns.
4961 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4963 * real.c (toe64): Remove stale #endif from the last change.
4965 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
4967 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
4968 * real.c (toe64): Revert previous change.
4970 2000-04-12 Jakub Jelinek <jakub@redhat.com>
4972 * objc/objc-act.c: Include ggc.h.
4973 (objc_tree_index, objc_global_trees): Convert most of the
4974 static tree variables into a static array with previous names
4976 (objc_ellipsis_node): New variable.
4977 (lang_init): Call objc_act_parse_init and c_parse_init.
4978 Create objc_ellipsis_node.
4979 (build_selector_translation_table): Use objc_ellipsis_node instead
4981 (hack_method_prototype): Likewise.
4982 (get_arg_type_list): Likewise.
4983 (start_method_def): Likewise.
4984 (continue_method_def): Likewise.
4985 (gen_method_decl): Likewise.
4986 (ggc_mark_imp_list): New function.
4987 (ggc_mark_hash_table): New function.
4988 (objc_act_parse_init): New function.
4989 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
4990 * c-parse.in (c_parse_init): For objc add roots of objc specific
4991 local tree variables.
4992 * objc/objc-parse.y: Rebuilt.
4993 * objc/objc-parse.c: Rebuilt.
4994 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
4996 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
4998 * cse.c (delete_trivially_dead_insns): Also delete insns
4999 that copy a register to itself where the destination is
5002 2000-04-11 Richard Henderson <rth@cygnus.com>
5004 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5005 (propagate_block): Initialize them. Use them in parallel instead
5006 of one tmp variable, ie revert much of the 0408 and 0407 functional
5007 changes, but keep the structural changes.
5008 (mark_set_regs): Take new_dead from propagate_block_info instead.
5009 (mark_set_1, mark_set_reg): Likewise.
5010 (mark_used_regs): Likewise with new_live.
5011 (mark_used_reg): Likewise. Revert 0408 change.
5013 2000-04-11 Nick Clifton <nickc@cygnus.com>
5015 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5017 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5019 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5021 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5022 const section to output a CONSTRUCTOR based on the same conditions
5025 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5027 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5028 * pa/pa-protos.h (output_call): Add additional argument indicating
5029 if the call is a sibling/tail call.
5030 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5031 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5032 (function_arg, function_arg_partial_nregs): Likewise
5033 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5034 (emit_move_sequence): Zero extend certain constants as needed
5036 (compute_zdepdi_operands, output_64bit_and): New functions.
5037 (output_64bit_ior, function_arg): Likewise.
5038 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5039 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5040 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5041 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5042 (output_bvb): Likewise.
5043 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5044 (output_call): New argument 'sibcall'. Generate sibcall sequences
5046 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5047 (ouput_arg_descriptor): Do not emit argument descriptors for
5049 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5051 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5052 (FUNCTION_OK_FOR_SIBALL): Define.
5053 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5054 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5055 (CPP_SPEC): Use new spec infrastructure.
5056 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5057 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5058 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5059 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5060 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5061 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5062 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5063 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5064 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5065 (FUNCTION_ARG); Call out to C code.
5066 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5067 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5068 (MIN_UNITS_PER_WORD): Likewise.
5069 * pa/pa.md (cmpdi): New expander.
5070 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5071 (64bit conditional arithmetic): New patterns.
5072 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5073 (movsicc): Not available if modes on all the operands to not match.
5074 (movdicc): New expander and associated patterns.
5075 (64bit branches): New patterns.
5076 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5077 (pre_ldd, post_std): New patterns.
5078 (64bit addil, load low part): New patterns.
5079 (special movsf constant): Not available for TARGET_64BIT.
5080 (movsf, movdf expanders): Force constants into memory.
5081 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5082 (64bit movdf/movdi patterns): New patterns.
5083 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5085 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5086 (adddi3 expander): Allow "arith_operand" for second input.
5087 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5088 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5089 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5090 (muldi3): New expander for TARGET_64BIT.
5091 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5093 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5094 patterns for TARGET_64BIT.
5095 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5096 patterns for TARGET_64BIT.
5097 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5098 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5099 (sibcall_epilogue): New expander.
5100 (casesi): Tweak for TARGET_64BIT.
5101 (call expanders): Set & use the outgoing argument pointer. Use the
5102 64bit call patterns as needed. Add additional arg to output_call.
5103 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5104 (sibcall, sibcall_internal_symref): New expanders.
5105 (sibcall_value, sibcall_value_internal_symref
5106 (interspace_jump): Turn into an expander + matching patterns.
5107 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5108 * pa/pa64-regs.h: Eliminate trigraph sequences.
5109 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5111 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5113 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5114 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5115 cpp_token with cpp_ttype everywhere.
5116 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5117 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5118 CPP_BUF_COL. Line and column numbers are unsigned int, not
5120 * cpplex.c (cpp_buf_line_and_col): Delete.
5121 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5122 'long lineno' to 'unsigned int lineno'.
5123 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5125 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5127 * extend.texi: ISO C99 is not a draft anymore.
5128 * invoke.texi: ISO C++ is not a draft anymore.
5129 * cpp.texi: __cplusplus is required by the ISO standard.
5131 * extend.texi (-fthis-is-variable): Undocument.
5132 * flags.h (warn_template_debugging): Remove declaration.
5133 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5134 -Wenum-clash, -Wtemplate-debugging): Undocument.
5136 2000-04-10 Nick Clifton <nickc@cygnus.com>
5138 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5140 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5142 (ARM_SIGN_EXTEND): Use HOST_UINT.
5143 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5144 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5145 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5146 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5148 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5149 (arm_gen_constant): Use HOST_UINT.
5150 (arm_canonicalize_constant): Use HOST_UINT.
5151 (arm_reload_in_hi): Use HOST_UINT.
5152 (arm_reload_out_hi): Use HOST_UINT.
5153 (output_multi_immediate): Use HOST_UINT.
5154 (int_log2): Use HOST_UINT.
5155 (arm_poke_function_name): Use HOST_UINT.
5156 (arm_output_epilogue): Use arm_volatile_func().
5157 (output_thumb_prologue): Use arm_strip_name_encoding().
5159 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5161 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5162 of sequence point problems.
5164 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5166 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5168 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5170 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5172 * sbitmap.h: Whitespace changes and use upper-case macro args.
5173 (struct simple_bitmap_def): All sizes now unsigned.
5174 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5175 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5176 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5177 (sbitmap_zero): Cast bzero arg to PTR.
5178 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5179 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5180 loop to make structure clearer.
5181 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5182 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5183 (sbitmap_a_and_b_or_c): Likewise.
5184 (sbitmap_intersection_of_succs): Minor cleanups.
5185 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5186 (sbitmap_union_of_preds): Likewise.
5187 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5188 (debug_sbitmap): New function.
5190 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5191 * c-typeck.c (convert_for_assignment): Likewise.
5193 * expmed.c (init_expmed): Don't free objects we make.
5194 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5196 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5197 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5199 * gcse.c (expr_hash_table_size): Now unsigned.
5200 (compute_ae_gen): Local variable `i' now unsigned.
5201 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5202 (compute_transout, hoist_code): Likewise.
5203 (compute_local_properties): Likewise, also hash_table_size.
5204 (alloc_expr_hash_table): N_INSNS now unsigned.
5205 (delete_null_pointer_checks): Mark arg F as unused.
5207 * regrename.c: Minor cleanups, including chang some variables
5210 2000-04-10 Neil Booth <NeilB@earthling.net>
5212 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5214 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5216 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5218 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5219 __classof__, and __headof__ from the list of gnu keywords.
5220 (-ansi): Remove -foperator-names from list of implied options.
5221 Do not call it ANSI C++.
5222 (-foperator-names): Document as -fno-operator-names.
5224 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5226 * cpphash.c (timestamp): Delete.
5227 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5228 (special_symbol): Remove unnecessary braces. Remove
5229 T_VERSION. Treat T_STDC like T_CONST unless
5230 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5231 when one is encountered, then convert them into T_MCONST
5233 * cppinit.c (builtin_array): version_string is T_MCONST.
5234 __STDC__ has a "1" in its cpval. Don't have a terminator
5235 entry. Clean up which entries are dumped.
5236 (initialize_builtins): Only __STDC__ gets the special
5237 -traditional treatment. Count the length of builtin_array.
5238 Render version_string here.
5239 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5240 * cpplib.h (struct cpp_reader): Remove timebuf.
5242 2000-04-09 Richard Henderson <rth@cygnus.com>
5244 * genrecog.c (pred): Update comparison_operator for the unordered
5247 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5249 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5250 (uno_comparison_operator): New.
5251 (put_condition_code): Handle UNORDERED/ORDERED.
5252 (unsigned_comparison): Likewise.
5253 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5254 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5255 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5256 update all callers. Handle all 8 unordered operators.
5257 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5258 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5259 * config/i386/i386.h (PREDICATE_CODES): Update.
5260 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5261 (ix86_expand_branch, ix86_expand_setcc): Update.
5262 * config/i386/i386.md (sunordered, sordered): New.
5263 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5264 (bunordered, bordered): New.
5265 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5266 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5267 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5269 2000-04-09 Philip Blundell <philb@gnu.org>
5271 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5273 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5275 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5276 fix_truncxfhi2): New patterns.
5277 * i386.c (output_fix_trunc): Handle converting to HImode.
5279 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5281 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5283 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5284 (for_each_successor_phi): Change parameter to basic_block.
5285 (coalesce_regs_in_successor_phi_nodes): Likewise.
5286 (coalesce_regs_in_copies): Likewise.
5287 (compute_coalesced_reg_partition): Use basic_block instead of index.
5288 * rtl.h (convert_to_ssa): Delete.
5289 (convert_from_ssa): Likewise.
5290 (successor_phi_fn): Likewise.
5291 (for_each_successor_phi): Likewise.
5292 (in_ssa_form): Likewise.
5293 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5294 (convert_from_ssa): Likewise.
5295 (successor_phi_fn): Likewise.
5296 (in_ssa_form): Likewise.
5297 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5298 * flow.c (calculate_global_regs_live): Pass a basic_block to
5299 for_each_successor_phi.
5301 2000-04-08 Richard Henderson <rth@cygnus.com>
5303 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5304 was modified in the current insn.
5306 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5308 * arm/thumb.md: Delete.
5309 * arm/thumb-protos.h: Delete.
5311 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5313 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5315 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5317 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5320 * arm.md (nop): Use the standard RTL expression. Don't code as a
5322 (*arm_nop, *thumb_nop): Delete.
5324 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5325 constants. Use casts instead.
5326 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5327 output_multi_immediate, arm_poke_function_name): Likewise.
5328 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5329 MASK_RETURN_ADDDR): Likewise.
5331 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5333 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5336 * arm.md (eh_epilogue): New function.
5337 * arm.h (struct machine_function): Move to here ...
5338 * arm.c: ... from here.
5339 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5340 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5341 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5343 2000-03-30 Nick Clifton <nickc@cygnus.com>
5345 * config/arm/semi.h (ASM_SPEC): Restore definition.
5346 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5348 * config/arm/elf.h (ASM_SPEC): Restore definition.
5349 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5351 * config/arm/arm.h (ASM_SPEC): Remove definition.
5352 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5354 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5356 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5358 2000-03-24 Nick Clifton <nickc@cygnus.com>
5360 Various formating tidyups, elimination of compile time
5361 warnings and synchronisation with internal sources:
5363 * config/arm/arm-protos.h (assemble_align): Add prototype.
5364 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5365 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5366 (arm_return_addr_rtx): Rename to arm_return_addr.
5368 * config/arm/arm.c: Include except.h.
5369 Define shorter typenames for strict minipool_node and struct
5371 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5373 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5374 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5376 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5378 (ASM_SPEC): Define if not already defined.
5379 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5381 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5382 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5383 arm_gen_compare_reg.
5384 (indirect_jump): Only accept register operands.
5385 (load_indirect_jump): Keep this pattern since combine can generate
5388 * config/arm/coff.h: Include aout.h.
5389 (MULTILIB_DEFAULTS): Only define if not already defined.
5391 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5392 into arm.h (so that COFF ports can support thumb based aliases).
5393 (ASM_SPEC): Move definition into arm.h
5395 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5396 redundant apcs spec.
5397 (ASM_SPEC): Move definition to arm.h
5399 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5401 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5402 for entries in the .bss section
5404 2000-03-23 Nick Clifton <nickc@cygnus.com>
5406 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5407 to thumb_far_jump_used_p.
5409 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5410 single integer parameter.
5412 * config/arm/arm.c (struct machine_function): Add two new
5413 fields, 'far_jump_used' and 'arg_pointer_live'.
5414 (thumb_far_jump_used_p): Once the decision has been made that
5415 far jumps might be used, always return true.
5416 If being called from the initial elimination offset macro then
5417 do not bother to perform the test if the arg pointer is not
5419 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5420 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5422 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5424 * arm.c (output_return_instruction): Handle more cases where we can
5425 return from a function with an ldr instruction.
5426 (arm_output_epilogue): Likewise.
5428 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5429 if we need to push a large stack frame and there are no callee-saved
5432 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5433 in ARM code if the frame pointer has been eliminated.
5435 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5436 unspec_volatile arguments to avoid duplicates.
5437 (consttable_1, consttable_2): Fixes for big-endian mode.
5439 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5442 Re-write constant pool code.
5443 * arm.c (minipool_node, minipool_fix): New types.
5444 (minifix): Delete type.
5445 (arm_add_minipool_constant): Delete.
5446 (arm_compute_minipool_offsets, arm_find_barrier,
5447 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5448 (get_jump_table_size): Now returns HOST_WIDE_INT.
5449 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5451 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5452 (assign_minipool_offsets, arm_print_value): Likewise.
5453 (dump_minipool): Rewrite.
5454 (arm_barrier_cost): New function.
5455 (create_fix_barrier): New function.
5456 (push_minipool_barrier): New function.
5457 (push_minipool_fix): Record additional information about the fixup
5459 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5460 check the mode of what needs fixing.
5461 (arm_reorg): Rewrite.
5463 2000-03-08 Nick Clifton <nickc@cygnus.com>
5465 * config/arm/arm.md (indirect_jump): Force constant addresses into
5468 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5470 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5472 2000-02-24 Nick Clifton <nickc@cygnus.com>
5474 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5475 adjust is word aligned.
5476 (thumb_expand_epilogue): Make sure that stack adjust is word
5479 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5481 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5483 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5484 pointer relative addresses.
5486 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5488 * arm.c (find_barrier): Find the last barrier within the allowed
5491 2000-02-09 Nick Clifton <nickc@cygnus.com>
5493 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5495 2000-02-09 Nick Clifton <nickc@cygnus.com>
5497 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5498 ARM_FUNCTION_PROFILER.
5500 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5501 ARM_FUNCTION_PROFILER.
5503 * config/arm/linux-oldld.h: Imported from mainline sources.
5505 2000-02-07 Nick Clifton <nickc@cygnus.com>
5507 * config/arm/lib1funcs.asm: Merge in thumb functions from
5510 * config/arm/lib1thumb.asm: Delete.
5512 2000-02-04 Nick Clifton <nickc@cygnus.com>
5514 * config/arm/arm.c: Sychronised with current Red hat local
5516 * config/arm/arm.h: Ditto.
5517 * config/arm/arm-protos.h: Ditto.
5519 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5521 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5523 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5526 2000-02-02 Nick Clifton <nickc@cygnus.com>
5528 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5530 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5531 (return) was emited using an emit_insn() call.
5533 2000-01-31 Nick Clifton <nickc@cygnus.com>
5535 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5537 (thumb_exit): Move frame pointer back into hard frame pointer
5538 register if backtracing is being used.
5540 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5542 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5545 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5547 * config/arm/arm.md (neg_pool_offset): Provide default for new
5549 (arm_movsi_insn): Add neg_pool_offset attribute.
5550 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5551 rtx for the insn that starts the scan and an unsigned long for its
5552 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5553 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5554 instructions in *PINSERTED.
5555 (struct minipool_fixup): Add MIN_ADDRESS elt.
5556 (sort_fixups): Compute it.
5557 (arm_reorg): Changes to support inserting pools before the insn to be
5560 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5562 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5563 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5564 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5566 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5568 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5570 (TARGET_DEFAULT): Do not define if already defined.
5572 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5574 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5575 (iordi3): Allow disjoint source operands.
5576 (xordi3): Allow disjoint source operands.
5577 (negdi2): Permit construction for ARM and Thumb.
5578 (arm_negdi2): Renamed version of old negdi2 pattern.
5579 (thumb_negdi2): New pattern: Only permit non-overlapping
5580 source and destination.
5582 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5584 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5585 scratch low register so that it will not be deleted.
5587 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5589 * config/arm/pe.h (ARM_PE): Define.
5591 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5592 interfacearm attribute if this is a PE toolchain.
5593 (output_return_instruction): Do not emit anything if the function
5594 has the naked attribute set.
5595 (is_called_in_ARM_mode): If the function has the interfacearm
5596 attribute then return true.
5597 (thumb_expand_prologue): Do not generate a prologue for naked
5599 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5601 (output_thumb_prologue): Do not bother if the function is naked.
5602 Strip PE encoding from function name before emitting.
5604 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5606 * arm.md (pic_load_addr): Fix constraints.
5608 * arm.md (casesi_insn): Fix mis-applied patch.
5610 * arm.md ("core" function unit): Add rules for single- and
5612 (All TARGET_THUMB patterns): Add "type" attribute information
5614 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5615 the following insn is a CALL.
5617 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5619 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5620 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5621 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5623 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5625 * config/arm/linux-gas.h: oops - this file was missed out when the
5626 branch was created...
5628 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5630 * thumb.c: Deleted. Move contents to ...
5632 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5634 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5637 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5638 declare a prototype for asm_output_align();
5640 * arm.c (thumb_condition_code): Delete.
5641 (arm_print_operand): Always use arm_condition_code array.
5643 * arm.c (thumb_return_addr_rtx): Delete.
5644 (arm_save_machine_status, arm_restore_machine_status): Delete.
5645 (arm_init_machine_status, arm_mark_machine_status): New functions.
5646 (arm_init_expanders): Update accordingly.
5647 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5648 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5649 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5651 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5653 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5655 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5658 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5660 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5661 stack backtrace structure.
5663 * config/arm/arm-protos.h: Add prototypes for functions defined in
5666 * config/arm/arm.c (arm_override_options): Fix selection of
5667 attributes of default processor.
5669 * config/arm/coff.h: Delete needless #include.
5671 * config/arm/pe.c: Delete unused code.
5673 * config/arm/pe.h (CPP_DEFINES): Delete
5674 (SUBTARGET_CPP_SPEC): Define.
5675 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5677 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5679 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5681 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5683 (CAN_DEBUG_WITHOUT_FP): Define.
5684 (FIXED_REGISTERS): Make r11 call-saved.
5685 (CALL_USED_REGISTERS): Likewise.
5686 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5687 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5688 frame-pointer is required.
5689 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5690 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5691 if the target normally needs a stack frame in non-leaf functions.
5692 (use_return_insn): Correct logic for determining when a return
5693 instruction can be used.
5694 (output_return_instruction): Handle the frame-pointer register as
5695 a normal register when not TARGET_APCS_FRAME.
5696 (arm_output_prologue): Likewise.
5697 (arm_output_epilogue): Likewise.
5698 (output_func_epilogue): Likewise.
5699 (arm_expand_prologue): Likewise.
5700 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5702 * arm.c (use_return_insn): No need to check floating point regs if
5704 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5705 the code of value stored in the minipool array.
5706 (arm_add_minipool_constant): Likewise.
5708 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5710 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5712 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5714 * tree.c (tree_expr_nonnegative_p): New function.
5716 * tree.h (tree_expr_nonnegative_p): Declare.
5718 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5719 elide some sign_compare warnings.
5720 (build_conditional_expr): Likewise.
5722 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5724 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5726 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5727 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5728 operand. Abort if a 387 operand has an unsupported size.
5730 2000-04-08 Neil Booth <NeilB@earthling.net>
5732 * cppexp.c (parse_charconst): Null does not end character
5734 * cppinit.c (ISTABLE): Null character handled as whitespace.
5735 * cpplex.c (null_warning): new function.
5736 (skip_string): Emit warning if nulls encountered.
5737 (_cpp_skip_hspace): Emit warning if nulls encountered.
5738 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5742 2000-04-07 Richard Henderson <rth@cygnus.com>
5744 * flow.c (loop_depth): Remove.
5745 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5746 (struct propagate_block_info): New.
5747 (life_analysis): Don't allocate reg_next_use.
5748 (propagate_block_delete_insn): Break out of propagate_block.
5749 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5750 (propagate_block_delete_libcall): Likewise.
5751 (propagate_block): Create a propagate_block_info struct to pass
5752 to subroutines. Allocate one not two temporary regsets. Don't
5753 clobber memory for const calls. Look for clobbers in
5754 CALL_INSN_FUNCTION_USAGE.
5755 (mark_set_regs): Recognize COND_EXEC.
5756 (mark_set_reg): Break out of mark_set_1.
5757 (mark_used_reg): Break out of mark_used_regs.
5758 (mark_used_regs): Recognize COND_EXEC.
5759 (insn_dead_p): Use propagate_block_info struct.
5760 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5761 (find_auto_inc, try_pre_increment_1): Likewise.
5762 (print_rtl_with_bb): Dump regs live at end too.
5763 (count_reg_sets_1): Pass in loop_depth.
5764 (count_reg_sets, count_reg_references): Likewise.
5765 (recompute_reg_usage): Provide it.
5767 2000-04-07 Richard Henderson <rth@cygnus.com>
5769 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
5772 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
5774 * cpplib.c (do_elif): Skip the rest of the line if we're
5775 not going to bother evaluating it.
5776 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
5777 to avoid pointless calls to the lexer.
5779 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
5781 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
5783 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
5785 * calls.c (expand_call): emit_queue if we're trying a sibcall.
5787 2000-04-07 Jakub Jelinek <jakub@redhat.com>
5789 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
5791 2000-04-06 Geoff Keating <geoffk@cygnus.com>
5793 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
5794 crtend so they can be multilibbed.
5795 (STAGESTUFF): Remove s-crt and s-crtS.
5797 2000-04-07 Richard Henderson <rth@cygnus.com>
5799 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
5800 if we discover we need a pseudo and no_new_pseudos is true.
5801 * config/alpha/alpha.md (ne:DI insn): New.
5802 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
5804 2000-04-07 Richard Henderson <rth@cygnus.com>
5806 * rtl.def (COND_EXEC): New.
5807 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
5808 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
5810 * genconfig.c (have_cond_arith_flag): Remove.
5811 (have_cond_exec_flag): New.
5812 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
5813 (main): Print HAVE_conditional_execution.
5815 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
5816 (sched_analyze_insn, print_pattern): Likewise.
5817 * reload.c (find_equiv_reg): Likewise.
5818 * rtlanal.c (reg_referenced_p): Likewise.
5819 (note_stores, dead_or_set_regno_p): Likewise.
5820 (reg_overlap_mentioned_p): Rewrite to use a switch.
5822 * ggc.h (struct rtx_def): Forward declare.
5824 * print-rtl.c (debug_rtx_range): New.
5825 * rtl.h (debug_rtx_range): Declare.
5827 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
5829 * gcse.c (gcse_main): Don't rebuild the CFG here.
5830 (delete_null_pointer_checks): Likewise.
5831 * ssa.c (convert_to_ssa): Likewise.
5832 * toplev.c (rest_of_compilation): Do it here instead. Combine
5833 sequential calls to TIMEVAR. Consistently use `insns' instead of
5834 `get_insns()'. Always split insns after reload when optimizing.
5836 * basic-block.h (merge_blocks_nomove): Declare.
5837 (tidy_fallthru_edge): Declare.
5838 * flow.c (merge_blocks_nomove): Document as merging into previous
5839 blocks. Remove cruft from between blocks; remove all edges out of A.
5840 (tidy_fallthru_edge): Export.
5842 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5844 * ssa.c (compute_conservative_reg_partition): Declare with
5846 * toplev.c (clean_dump_file): Remove previously-deleted function
5847 inadvertantly merged back in.
5848 * conflict.c (conflict_graph_add): Use a single call to
5849 htab_find_slot to look up and insert.
5851 2000-04-06 Richard Henderson <rth@cygnus.com>
5853 * genrecog.c (*): Rename _last_insn to last_insn.
5854 (make_insn_sequence): Set the position of the peephole2 C test
5855 to be at the last insn.
5857 2000-04-06 Richard Henderson <rth@cygnus.com>
5859 * flow.c (compute_flow_dominators): Free worklist.
5861 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
5863 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
5865 2000-04-06 Alex Samuel <samuel@codesourcery.com>
5867 * rtl.h (INSN_P): New macro.
5868 (successor_phi_fn): New typedef.
5869 (for_each_successor_phi): New prototype.
5870 (in_ssa_form): New variable.
5871 (PHI_NODE_P): Likewise.
5872 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
5873 phi nodes in successors.
5874 (mark_used_regs): Add PHI case.
5875 (set_phi_alternative_reg): New function.
5876 (life_analysis): Assert that dead code elimination is not selected
5878 * toplev.c (to_ssa_time): New variable.
5879 (from_ssa_time): Likewise.
5880 (compile_file): Zero to_ssa_time and from_ssa_time.
5881 Print time to convert to and from SSA.
5882 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
5883 (print_time): Compute percent fraction as integer.
5884 * ssa.c (PHI_NODE_P): Moved to rtl.h.
5885 (convert_to_ssa): Check if we're already in SSA.
5886 Don't eliminate dead code in life_analysis.
5887 Rerun flow and life analysis at bottom.
5888 (eliminate_phi): Use canonical regnos when adding nodes.
5889 (mark_reg_in_phi): New function.
5890 (mark_phi_and_copy_regs): Likewise.
5891 (convert_from_ssa): Rerun life analysis at top.
5892 Use coalesced partition.
5893 Check for removing a phi node at the end of the block.
5894 (compute_coalesced_reg_partition): New function.
5895 (coalesce_regs_in_copies): Likewise.
5896 (coalesce_reg_in_phi): Likewise.
5897 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
5898 (for_each_successor_phi): Likewise.
5899 (rename_context): New struct.
5900 (rename_block): Use a rename_context with rename_insn_1. When
5901 renaming sets of a subreg, emit a copy of the entire reg first.
5902 (rename_insn_1): Treat data as a rename_context *. Save current
5904 (rename_set_data): Add field set_insn.
5905 * Makefile.in (HASHTAB_H): Move up in file.
5906 (OBSTACK_H): New macro.
5907 (collect2.o): Use OBSTACK_H in dependencies.
5908 (sdbout.o): Likewise.
5909 (emit-rtl.o): Likewise.
5910 (simplify-rtx.o): Likewise.
5911 (fix-header.o): Likewise.
5912 (OBJS): Add conflict.o.
5913 (conflict.o): New rule.
5914 * basic-block.h: Include partition.h.
5915 (conflict_graph): New typedef.
5916 (conflict_graph_enum_fn): Likewise.
5917 (conflict_graph_new): New prototype.
5918 (conflict_graph_delete): Likewise.
5919 (conflict_graph_add): Likewise.
5920 (conflict_graph_conflict_p): Likewise.
5921 (conflict_graph_enum): Likewise.
5922 (conflict_graph_merge_regs): Likewise.
5923 (conflict_graph_print): Likewise.
5924 (conflict_graph_compute): Likewise.
5925 * conflict.c: New file.
5927 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
5929 * tlink.c (read_repo_files): Don't look for .rpo info for
5932 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5934 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
5936 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5938 * config/sh/lib1funcs.asm (___udivsi3_i4):
5939 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
5940 only depends on FMOVD_WORKS.
5942 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5944 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
5945 make double constant 8-byte aligned.
5947 2000-04-06 Jakub Jelinek <jakub@redhat.com>
5949 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
5950 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
5951 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
5952 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
5953 Accept storing GENERAL_REGS into offsetable memory.
5954 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
5955 building a TFmode constant other than 0.0L into GENERAL_REGS.
5957 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
5959 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
5961 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
5963 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
5964 (macro_cleanup): No need to cast pbuf->macro.
5965 (collect_expansion): Use _cpp_get_define_token. Goto done if
5966 it returns VSPACE. Remove check for trailing space after
5968 (_cpp_create_definition): Don't diddle flags here. Return
5970 (unsafe_chars): Handle c1 being EOF.
5971 (push_macro_expansion): Use unsafe_chars for both accidental-paste
5972 checks. Don't push the buffer till after we're done with
5974 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
5975 (PEEKN, FORWARD, GETC, PEEKC): Use them.
5976 (cpp_push_buffer): Don't set new->alimit. Set new->mark
5978 (_cpp_parse_assertion): Don't NUL terminate.
5979 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
5980 hspace before calling _cpp_parse_assertion. Remove all sets
5981 of only_seen_white. Treat '\f' as hspace. Don't do anything
5982 special with '\n' here.
5983 (maybe_macroexpand): Handle T_EMPTY hash entries without
5984 pushing a buffer at all.
5985 (cpp_get_token): Handle clearing only_seen_white here. Handle
5986 incrementing the line number here. Clear
5987 potential_control_macro as well as only_seen_white, if
5989 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
5990 (_cpp_get_define_token): New function, basically like
5991 _cpp_get_directive_token was but doesn't eat horizontal space.
5992 Don't do anything with only_seen_white here.
5993 (_cpp_get_directive_token): Just call _cpp_get_define_token
5994 repeatedly till it returns non-hspace.
5996 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
5997 (conditional_skip, skip_if_group): Return int.
5998 (DIRECTIVE_TABLE): Change origin of all conditional directives
6000 (TRAD_DIRECT_P): New macro.
6001 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6002 an error for a bogus directive, unless -lang-asm. Use
6003 TRAD_DIRECT_P. Loop calling handler functions till one returns
6005 (get_macro_name): Don't diddle flags here.
6006 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6007 Create T_EMPTY nodes for #define macro /* nothing */.
6008 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6009 Use hp->name when calling pass_thru_directive.
6010 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6011 Return the result of conditional_skip and/or skip_if_group.
6012 Don't call _cpp_output_line_command.
6013 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6014 Issue -Wtraditional warnings as appropriate. Don't complain
6015 about unrecognized directives. If we are to stop skipping,
6016 return the number of the directive that ended the skip.
6017 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6018 expansion and line commands while skipping. Return the result
6019 of consider_directive_while_skipping, if nonzero.
6020 (do_endif): Just set potential_control_macro here.
6021 (validate_else): Use _cpp_get_directive_token.
6022 (do_assert, do_unassert): Don't save pointers into the
6023 token_buffer across calls to the lexer. Use
6024 _cpp_get_directive_token.
6026 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6027 pointer, not an offset. Replace 'data', which was a generic
6028 pointer, with 'macro', which points to a struct hashnode.
6029 (cpp_reader): Add 'potential_control_macro' pointer.
6030 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6031 (CPP_BUF_GET, CPP_FORWARD): Delete.
6032 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6033 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6034 ACTIVE_MARK_P): Update.
6035 (_cpp_get_define_token): New internal function.
6036 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6038 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6040 * configure.in: And here.
6041 * configure: Regenerate.
6042 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6043 --enable-libstdcxx-v3 is passed at configure time.
6044 * config.h.in: Regenerate.
6046 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6048 * final.c (final): Use xcalloc to allocate line_note_exists.
6049 * function.c (free_after_compilation): Free the temp_slots.
6050 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6051 (combine_temp_slot): Free temp_slots when they get combined.
6052 (purge_addressof): Fix typo in comment.
6053 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6054 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6056 * ggc.h: Include varray.h.
6057 (ggc_pending_trees): Declare.
6058 (ggc_mark_tree_children): Remove declaration.
6059 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6060 * ggc-common.c (ggc_pending_trees): New variable.
6061 (ggc_mark_roots): Call ggc_mark_trees.
6062 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6063 the ggc_pending_trees.
6064 * Makefile.in (GGC_H): New variable. Use it throughout in place
6067 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6069 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6072 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6074 * sh.c (sh_insn_length_adjustment): New function.
6075 * sh-protos.h (sh_insn_length_adjustment): Declare.
6076 * sh.h (ADJUST_INSN_LENGTH): Use it.
6078 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6080 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6081 from the insn where REG_RETVAL is added.
6082 (emit_no_conflict_block): Ditto.
6084 * md.texi (Standard Names): Clarify when movX is needed.
6086 * combine.c (simplify_comparison) [MINUS]: Do not replace
6087 all (op (minus A B) 0) with (op A B).
6089 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6090 J"orn Rennecke <amylaar@cygnus.co.uk>
6092 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6093 (block_lump_real): Likewise.
6095 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6097 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6098 remaining non-zero debugging masks.
6100 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6102 * basic-block.h (verify_flow_info): Declare.
6103 (flow_loop_outside_edge_p): Declare.
6104 * flow.c (verify_flow_info): Remove declaration.
6105 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6107 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6109 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6112 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6114 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6115 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6116 seqdi_zero_trunc+1): Allow splits only if registers are
6119 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6121 * acconfig.h: Add HAVE_GAS_HIDDEN.
6122 * config.in: Regenerated.
6123 * configure.in: Add test for .hidden pseudo-op in gas.
6124 * configure: Regenerated.
6125 * crtstuff.c: Include auto-host.h.
6126 Emit additional .hidden pseudo-op for __dso_handle if the
6127 assembler knows about it.
6129 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6131 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6132 before freeing argnames.
6133 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6135 2000-04-05 Michael Meissner <meissner@redhat.com>
6137 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6138 Walton <jonboy@gordian.com> to make memory references with update
6139 work wtih -mregnames.
6141 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6143 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6144 (regrename_optimize): Rename variables `def_uses' and
6145 `ext_basic_blocks' to avoid conflicts with similarly named
6146 typedefs in traditional C.
6148 * calls.c (initialize_argument_information): Fix typo in previous
6151 2000-04-04 Richard Henderson <rth@cygnus.com>
6153 * regrename.c (consider_available): Test fixed_regs not
6154 PIC_OFFSET_TABLE_REGNUM.
6156 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6158 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6160 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6161 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6162 (ENDFILE_LINUX_SPEC): Always use crtend.
6163 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6164 (powerpc-*-linux-gnu): Likewise.
6165 * configure: Regenerate.
6167 * config/rs6000/eabi.h: Don't include sysv4.h.
6168 (MULTILIB_DEFAULTS): Don't define.
6169 * config/rs6000/eabiaix.h: Don't include eabi.h.
6170 * config/rs6000/eabile.h: Delete.
6171 * config/rs6000/eabilesim.h: Delete.
6172 * config/rs6000/eabisim.h: Don't include eabi.h.
6173 * config/rs6000/linux.h: Don't include sysv4.h.
6174 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6175 (MULTILIB_DEFAULTS): Don't redefine.
6176 * config/rs6000/rtems.h: Don't include eabi.h.
6177 * config/rs6000/sol2.h: Don't include sysv4le.h.
6178 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6179 * config/rs6000/t-ppc: Delete.
6180 * config/rs6000/t-ppcgas: Correct comment.
6181 * config/rs6000/t-ppcos: Correct comment. Don't build
6182 multilibs for -fPIC, rather use -fPIC -mstrict-align
6184 * config/rs6000/t-ppc: Delete.
6185 * config/rs6000/vxppc.h: Don't include sysv4.h.
6186 * config/rs6000/vxppcle.h: Delete.
6187 * configure.in: Use multiple header files for p2pc ELF targets
6188 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6189 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6190 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6191 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6192 always available for these platforms.
6194 2000-04-04 Richard Henderson <rth@cygnus.com>
6196 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6198 2000-04-04 Stan Cox <scox@cygnus.com>
6200 * Makefile.in: Add rules for regrename.o
6201 * regrename.c: New file.
6202 * rtl.h (regrename_optimize): Add prototype.
6203 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6204 (compile_file, decode_d_option): Add support for -frename-registers.
6205 (rest_of_compilation): Call regrename_optimize.
6206 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6209 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6211 * Makefile (gccbug): New target.
6212 (doc): Depend on it.
6213 * gcc.texi (Bugs): Link subnodes.
6215 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6216 Document severities, priorities, and classes in bug form.
6218 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6220 * cpplex.c (trigraph_map, speccase): Combine into single
6222 (NORMAL, NONTRI): New macros.
6223 (_cpp_read_and_prescan): Change to use unified table. Use
6224 is_hspace to test for whitespace.
6226 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6227 definition that doesn't provoke the "empty body in an
6228 if-statement" warning.
6230 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6232 * builtins.c (expand_builtin_strlen): Force the source to
6233 be a memory address.
6235 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6237 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6239 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6241 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6242 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6243 (ECF_IS_CONST): Rename to ECF_CONST.
6244 (special_function_p): Make static, change interface.
6245 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6246 (expand_call) ... here; convert number of variables to flags.
6247 (emit_library_call_vlue_1): Likewise.
6248 (setjmp_call_p): New function.
6249 (initialize_argument_information): Accepts flags as argument;
6251 (precompute_arguments): Likewise.
6252 * tree.h (special_function_p): Remove.
6253 (setjmp_call_p): Add prototype.
6255 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6257 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6258 so that addresses are offsetable by up to 16 bytes.
6259 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6260 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6263 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6264 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6265 (movsf): Don't force any constant to memory if target is integer
6267 Move fp_zero_operand check below the const0_rtx check.
6268 (movtf): Likewise. Also allow fp_zero_operand for stores into
6270 (movdf): Likewise. Also allow fp_zero_operand for stores into
6271 memory and into integer hard registers.
6272 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6273 movdf_const_intreg_sp64): Remove.
6274 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6276 (movdf_no_e_insn_v9_sp32): New pattern.
6277 (movdf_insn_v9only): Remove.
6278 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6279 (movdf_insn_sp64): Remove.
6280 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6281 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6282 (following splits): Rewrite conditions. Add two new splits
6283 for storing 0.0 into memory and registers.
6284 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6285 (movtf_insn_sp32): Redo constraints and conditions.
6286 (movtf_insn_vis_sp32): New pattern.
6287 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6288 (movtf_insn_hq_sp64): Likewise.
6289 (movtf_insn_hq_vis_sp64): New pattern.
6290 (movtf_insn_sp64): Redo constraints and conditions.
6291 (movtf_insn_vis_sp64): New pattern.
6292 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6293 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6295 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6296 -mvis or -m64 to take down the number of various reload patterns.
6298 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6300 * pa/pa-64.h: New file.
6301 * pa/pa64-regs.h: New file.
6302 * pa/pa64-start.h: New file.
6303 * pa/t-pa64: New file.
6304 * pa/xm-pa64hpux.h: New file.
6306 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6308 * sparc.c (output_restore_regs): Prototype.
6309 (sparc_emit_float_lib_cmp): Constification.
6311 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6313 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6316 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6317 (get_value_hash, hash_rtx): Likewise.
6319 * ssa.c (compute_conservative_reg_partition): Prototype.
6321 * tree.c (mark_hash_entry): Prototype.
6323 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6325 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6326 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6327 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6329 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6330 * objc/lang-specs.h: Likewise.
6332 2000-04-03 Neil Booth <NeilB@earthling.net>
6334 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6335 and SYNTAX_ERROR2. Replace `' in messages with ''.
6336 (op_to_str): Make re-entrant.
6337 (_cpp_parse_expr): Implement new error macros. Use | rather
6338 than || to logically or 2 boolean integers. Simply expression
6339 checking we have a left operand iff needed.
6341 2000-04-03 Nick Clifton <nickc@cygnus.com>
6343 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6345 2000-04-03 Philip Blundell <philb@gnu.org>
6347 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6349 2000-04-03 Felix Lee <flee@cygnus.com>
6351 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6352 (run_shell): Use it.
6354 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6356 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6357 (stmp-fixproto): ...rather than here.
6359 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6361 * pa.c (print_operand): Compute 'base' only inside the code paths
6364 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6366 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6369 2000-04-03 Philipp Thomas <pthomas@suse.de>
6371 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6373 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6375 * Makefile.in (alias.o): Depend on $(TREE_H).
6377 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6379 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6381 * cpplib.c (_cpp_handle_directive): Improve warnings for
6382 traditional C and indented directives.
6384 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6385 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6386 fixinc/inclhack.def: Indent the # of #include_next one space.
6387 * cp/rtti.c: Un-indent #if and #endif.
6389 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6390 syntax error, but an error has already been printed.
6391 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6392 message when called with nothing remaining on the line.
6393 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6394 OTHER token, not an ASSERTION.
6395 * cpplib.c (do_assert): When we create a 'base' node, clear
6396 its aschain pointer.
6398 2000-04-02 Neil Booth <NeilB@earthling.net>
6400 * cppexp.c: New typedef op_t. struct operation and struct
6401 token updated to use it.
6402 (op_to_str): New function.
6403 (_cpp_parse_expr): Error messages modified to use op_to_str.
6405 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6407 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6408 before checking MUST_PASS_IN_STACK.
6410 2000-04-02 Neil Booth <NeilB@earthling.net>
6412 * cppexp.c: New FINISHED dummy token. Combine operator initial
6413 flags and initial priority into a single constant. New
6414 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6415 (_parse_cpp_expr): Implement new constants. Take left operand
6416 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6417 parse indicated by reducing FINISHED token. Remove new lines
6418 from cpp_error messages.
6420 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6422 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6425 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6427 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6428 directive. Add origin values to DIRECTIVE_TABLE. Generate
6429 the strings and function names on the fly. Take the #sccs
6430 entry out of the table if SCCS_DIRECTIVE is not defined.
6431 (_cpp_handle_directive): Decide if the # was at the beginning
6432 of the line here. Issue -pedantic warnings for extended
6433 directives here. Warn about K+R directives with the #
6434 indented, and C89/extended directives with the # not indented,
6436 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6437 do_assert, do_unassert): Don't issue pedantic warning here.
6439 * cpphash.h: Add CPP_WTRADITIONAL macro.
6440 * cpplib.h (struct cpp_options): Rename warn_stringify to
6441 warn_traditional; update comments.
6442 * cppinit.c (handle_option): Set warn_traditional not
6444 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6445 CPP_WTRADITIONAL (pfile).
6446 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6447 be ignored in -traditional mode here.
6449 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6450 to initialize speccase[] and trigraph_map[]. Delete all
6451 references to pfile->input_speccase. Always treat '?' as a
6452 special character. Remove table-initialization code from
6453 _cpp_init_input_buffer.
6455 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6456 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6458 2000-04-01 Richard Henderson <rth@cygnus.com>
6460 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6461 (mostlyclean): Likewise.
6463 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6464 (struct dump_file_info, enum dump_file_index, dump_file): New.
6465 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6466 not a string. Clean out file if we havn't yet done so. Do nothing
6467 if the dump isn't enabled.
6468 (close_dump_file): Do nothing if the dump isn't open. Dump
6469 graph data if requested.
6470 (dump_rtl, clean_dump_file): Remove.
6471 (compile_file): Don't clean the dump files. Only finalize .bp dump
6472 if flag_test_coverage or flag_branch_probabilities. Only finalize
6473 .combine dump if optimizing. Iterate over dump_file to finalize the
6475 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6476 Convert all uses of dump_rtl.
6477 (decode_d_option): Iterate over dump_file to implement 'a' and to
6478 locate pass-specific dumps.
6480 2000-04-01 Neil Booth <NeilB@earthling.net>
6482 * cppexp.c: Redefine priority constants.
6483 (_cpp_parse_expr): Replace left and right priority scheme with
6484 single priority logic. Move LOGICAL to same place as COMPARE.
6485 Remove bogus check for multiple unary +/- operators.
6487 2000-04-01 Neil Booth <NeilB@earthling.net>
6489 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6490 within the switch statement. Binary operations break out of
6491 the switch naturally. '(' tokens handled by forcing
6492 immediate shift. ')' handled by forcing immediate reduce to
6493 the previous '('. New error messages.
6495 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6497 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6498 part', it's already in use. Use %K instead. Add a return at the
6499 end of what is now %K.
6500 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6502 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6504 * builtins.c (expand_builtin_apply): Pass proper parameters to
6505 allocate_dynamic_stack_space.
6506 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6507 update stack_pointer_delta; do not update arg_size_so_far.
6508 (compute_argument_block_size): Use stack_delta instead of
6509 stack_pointer_pending and arg_size_so_far.
6510 (expand_call): Add sanity checking for stack_pointer_delta;
6511 save and restore stack_pointer_delta for SIB, use
6512 stack_pointer_delta for alignment; do not update arg_space_so_far.
6513 (emit_library_call_value): Use stack_pointer_delta for alignment.
6514 (store_one_arg): Do not update arg_space_so_far.
6515 * explow.c (adjust_stack, anti_adjust_stack): Update
6516 stack_pointer_delta.
6517 (allocate_dynamic_stack_space): Add sanity checking for
6518 stack_pointer_delta.
6519 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6520 stack_pointer_delta.
6521 (emit_push_insn): Update stack_pointer_delta.
6522 * function.h (struct expr_status): Add x_stack_pointer_delta;
6523 remove x_arg_space_so_far.
6524 (arg_space_so_far): Remove.
6525 (stack_pointer_delta): New macro.
6527 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6529 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6530 Reorder struct cpp_options and struct cpp_reader for better
6531 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6532 takes two args. Change all 'char' flags to 'unsigned char'.
6533 Move show_column flag into struct cpp_options. Don't
6534 prototype cpp_options_init.
6535 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6536 cppinit.c, cpplex.c, cpplib.c:
6537 Replace CPP_OPTIONS (pfile)->whatever with
6538 CPP_OPTION (pfile, whatever), and likewise for
6539 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6541 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6542 Extract CPP_OPTION (pfile, pending) and work with that
6544 (cpp_options_init): Delete.
6545 (cpp_reader_init): Turn on on-by-default options here.
6546 Allocate the pending structure here.
6547 (cl_options, enum opt_code): Define these from the same table,
6548 kept in a large macro. Add -fshow-column and -fno-show-column
6551 * cpperror.c (v_message): If show_column is off, don't print
6554 * cppmain.c: Update for new interface.
6555 * fix-header.c: Likewise.
6557 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6559 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6561 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6562 are passed to any invocation of AR_FOR_TARGET.
6563 (AR_CREATE_FOR_TARGET): New macro.
6564 (AR_EXTRACT_FOR_TARGET): New macro.
6565 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6566 AR_EXTRACT_FOR_TARGET.
6567 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6568 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6569 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6570 AR_EXTRACT_FOR_TARGET to sub-makes.
6572 2000-03-31 Neil Booth <NeilB@earthling.net>
6574 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6576 (_cpp_parse_expr): Check for multiple unary +/- operators.
6577 Correct priorities of ':' and '?'. Treat ')' as having a
6578 value. Ensure conditional expression is not void.
6580 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6582 * alias.c (canon_rtx): Make it global.
6583 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6585 * cse.c (struct table_elt): Add canon_exp.
6587 (invalidate): Canonicalize expressions only once.
6588 * rtl.h (canon_rtx): Declare.
6590 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6592 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6593 * alias.c (reg_known_value): Add comments.
6594 (init_alias_analysis): Likewise.
6595 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6597 (cse_basic_block): Fix typo in comment.
6598 * emit-rtl.c: Include hashtab.h.
6599 (const_int_htab): New variable.
6600 (const_int_htab_hash): New function.
6601 (const_int_htab_eq): Likewise.
6602 (rtx_htab_mark_1): Likewise.
6603 (rtx_htab_mark): Likewise.
6604 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6605 (unshare_all_rtx): Fix formatting.
6606 (init_emit_once): Initialize const_int_htab.
6607 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6609 * rtl.texi: Document the fact that all CONST_INTs with the same
6612 2000-03-30 Richard Henderson <rth@cygnus.com>
6614 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6616 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6618 * configure.in: Comment out --enable-c-cpplib stanza.
6619 * configure: Regenerate.
6621 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6623 * expr.c (store_constructor): Properly compute displacement and
6624 alignment when offset is variable.
6626 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6627 cases of alignment in bytes.
6629 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6631 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6632 since it is used to generate c-parse.y.
6633 * objc-parse.c, objc-parse.y: Regenerated.
6635 * function.c (expand_function_end): Pass alignment argument to
6636 emit_block_move in bits, not bytes.
6638 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6640 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6643 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6645 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6646 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6647 * function.c (assign_parms): Likewise.
6648 * integrate.c (expand_inline_function): Likewise.
6649 * stmt.c (expand_decl): Likewise.
6650 (copy_rtx_and_substitute): Likewise.
6651 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6652 (clear_by_pieces): Fix error in last change.
6653 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6654 * function.h (regno_pointer_align): Now unsigned.
6655 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6657 * config/i386/i386.c (aligned_operand): Likewise.
6658 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6659 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6660 (unaligned_memory_operand): Likewise.
6661 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6662 Also make alignments and sizes unsigned and some whitespace cleanup.
6663 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6665 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6666 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6667 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6668 (expand_builtin_memset): Likewise, but to clear_storage.
6669 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6670 (restore_fixed_argument_area): Likewise.
6671 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6672 (load_register_parameters): Likewise, to emit_group_load.
6673 (expand_call): Likewise, to emit_group_store and emit_block_move.
6674 (emit_library_call_value_1): Likewise, to emit_block_move.
6675 (store_one_arg): Likewise, and to emit_push_insn.
6676 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6677 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6678 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6679 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6680 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6681 (expand_assigment, store_expr, store_constructor_field): Likewise.
6682 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6683 (store_constructor, store_field, get_inner_reference): Likewise.
6684 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6685 (expand_expr, case COMPONENT_REF): Likewise.
6686 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6687 and positions; reindent code.
6688 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6689 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6690 (assign_parms): Likewise to emit_group_store.
6691 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6692 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6693 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6694 (expand_return): Likewise to {extract,store}_bit_field.
6695 * stor-layout.c (get_mode_alignment): Minor cleanup.
6696 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6697 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6699 2000-03-29 Nick Clifton <nickc@cygnus.com>
6701 * config/arm/arm.h: Undo effects of previous delta:
6702 (ASM_SPEC): Do not define.
6703 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6705 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6708 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6710 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6711 only after reading in the primary source file.
6713 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6715 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6716 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6717 or a reference to a va_list.
6718 * builtins.c (stabilize_va_list): Simplify now we don't have to
6719 work around C array address decay.
6720 * c-typeck.c (convert_for_assignment): Handle assignment to
6721 a reference parameter by taking the address of the RHS.
6722 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6723 (va_copy): Likewise.
6724 (__va_copy): Likewise.
6725 * ginclude/varargs.h (va_start): Likewise.
6726 (__va_copy): Likewise.
6728 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6730 * i386/djgpp.h: Remove extraneous "+".
6732 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6734 * calls.c (expand_call): Fix typo in last change.
6736 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6738 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6741 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6743 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6744 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6745 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6746 * tree.c (bit_position, byte_position): Likewise.
6747 * tree.h: Declare new functions.
6749 2000-03-29 Nick Clifton <nickc@cygnus.com>
6751 * config/arm/arm.c: Minor formatting changes/
6752 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6754 (ASM_SPEC): Define if not already defined.
6756 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6758 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6761 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6763 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6764 value, don't output it as unsigned.
6766 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
6768 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
6770 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6772 * c-common.c (c_common_nodes_and_builtins): Don't special case
6773 cplus_mode when declaring builtin bzero/bcmp, always avoid
6774 prototype arguments.
6776 2000-03-29 Bruce Korb <bkorb@gnu.org>
6778 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
6781 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
6783 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
6784 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
6785 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
6786 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
6787 (save_fixed_argument_area, restore_fixed_argument_area):
6788 conditionize by #ifdef REG_PARM_STACK_SPACE only.
6789 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
6790 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
6791 (precompute_register_parameters): Avoid #ifdefs on
6792 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
6793 (stire_one_args): Likewise.
6794 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
6795 (emit_library_call_value_1): Likewise.
6796 (compute_argument_block_size): Align to STACK_BOUNDARY only for
6797 ACCUMULATE_OUTGOING_ARGS.
6798 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
6800 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
6801 (use_crosses_set_p): Likewise.
6802 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
6803 #define ACCUMULATE_OUTGOING_ARGS 1.
6804 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
6806 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
6808 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
6809 (TARGET_SWITCHES): Add push-args, no-push-args,
6810 accumulate-outgoing-args and no-accumulate-outgoing-args.
6811 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
6812 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
6813 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
6815 (emit_push_insn): Likewise.
6816 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6817 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
6818 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
6819 (STACK_DYNAMIC_OFFSET): Define correctly for both
6820 ACCUMULATE_OUTGOING_ARGS and normal mode.
6821 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
6822 * tm.texi (PUSH_ARGS): Document.
6823 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
6825 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
6827 * flags.h (flag_optimize_sibling_calls): Declare.
6828 * calls.c (expand_call): Fail sibcall when
6829 !flag_optimize_sibling_calls
6830 * invoke.texi (flag_optimize_sibling_calls): Document.
6831 * toplev.c (flag_optimize_sibling_calls): New global variable.
6832 (f_options): Add flag_optimize_sibling_calls.
6833 (rest_of_compilation): Conditionize
6834 optimize_sibling_and_tail_recursive_calls by
6835 flag_optimize_sibling_calls.
6836 (main): Set flag_optimize_sibling_calls for -O2.
6837 * stmt.c (expand_return): Conditionize tail recursion by
6838 flag_optimize_sibling_calls.
6840 2000-03-29 Richard Henderson <rth@cygnus.com>
6842 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
6843 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
6845 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
6847 * except.c (add_eh_table_entry): Mark type_info's as referenced.
6849 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6851 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
6853 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
6854 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
6855 * config/rs6000/aix.h: then modified likewise.
6857 2000-03-28 Richard Henderson <rth@cygnus.com>
6859 * rtl.h: Redistribute enum reg_note documentation.
6860 Kill trailing whitespace.
6861 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
6862 Kill trailing whitespace.
6864 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
6866 * cppfiles.c (hash_IHASH): Just return i->hash.
6867 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
6868 htab_find_with_hash.
6869 (cpp_read_file): Likewise.
6870 (find_include_file): Likewise. Properly initialize
6871 ih->nshort. Share ih->name and ih->nshort if possible.
6872 * cpphash.c (_cpp_calc_hash): New function.
6873 (hash_HASHNODE): Just return h->hash.
6874 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
6875 htab_find_with_hash.
6876 * cpphash.h: Prototype _cpp_calc_hash.
6877 * cppinit.c (initialize_builtins): Provide a valid hash
6878 to _cpp_make_hashnode, using _cpp_calc_hash.
6880 * cpphash.c (collect_expansion): # is not a special character
6881 in object-like macros. In -traditional mode, /**/ is not
6882 token paste at the beginning or end of the line.
6883 * cpplib.c (do_include, do_import, do_include_next): If
6884 parse_include fails, return immediately.
6886 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
6888 * config/arm/arm.md (return peepholes): Update to reflect the new
6890 * config/arm/arm.c (arm_volatile_func): Also check
6891 current_function_nothrow.
6892 (output_return_instruction, output_func_prologue): Use it.
6893 (arm_output_epilogue, arm_expand_prologue): Likewise.
6895 2000-03-27 Tom Tromey <tromey@cygnus.com>
6897 * gcc.c (handle_braces): In {x*...} case, break out of loop if
6900 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6902 * expr.c (store_constructor): SIZE now signed.
6903 For EXPR_SIZE, don't evaluate size; just needed if constant.
6904 * fold-const.c (fold): Fix a number of cases when folded tree is
6906 * function.c (flush_addressof): Reenable.
6907 * tree.h (flush_addressof): Likewise.
6908 * toplev.c (independent_decode_option): Look at strings_processed.
6909 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
6911 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
6913 * sibcall.c (indentify_call_return_value): Find last call in the chain;
6914 Allow stack adjustment after function call.
6916 * regmove.c (struct csa_memlist): Make mem field rtx *.
6917 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
6918 (try_apply_stack_adjustment): Replace whole MEM rtx.
6919 (combine_stack_adjustments_for_block): Update calls
6920 to record_one_stack_ref.
6922 2000-03-28 Neil Booth <NeilB@earthling.net>
6924 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
6925 '\\' rather than a null character, so nulls are not special. Fix
6926 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
6927 speed trigraph conversion.
6928 (_cpp_init_input_buffer): Initialize trigraph map.
6930 2000-03-27 Alan Modra <alan@linuxcare.com.au>
6932 * config/i386/i386.c (output_387_binary_op): Correct intel
6933 mode assembly output, and add spaces after commas in AT&T
6934 output. Correct Unixware assembler comment. Document input
6935 constraints. Comment fp operations. Reduce profligate buffer
6936 size. Remove extraneous abort. Localize temp var.
6937 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
6938 (output_fix_trunc): Add spaces after commas in assembly output.
6940 2000-03-27 Richard Henderson <rth@cygnus.com>
6942 * i386-protos.h (ix86_match_ccmode): Declare.
6943 * i386.c (ix86_match_ccmode): New.
6944 (ix86_expand_fp_compare): Update for pattern renames.
6945 (ix86_expand_strlensi_unroll_1): Likewise.
6946 * i386.h (EXTRA_CC_MODES): Add CCZ.
6947 (SELECT_CC_MODE): Use it for EQ/NE zero.
6948 * i386.md (cmpsi_ccz_1): New.
6950 (*testsi_ccz_1): New.
6951 (testqi_ccz_1): New.
6952 (cmpsi_ccno_1): Rename from cmpsi_0.
6953 (testsi_ccno_1): Rename from testsi_1.
6954 (testqi_ccno_1): Rename from testqi_1.
6955 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
6956 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
6957 (*cmphi_0): Use ix86_match_ccmode.
6958 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
6959 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
6960 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
6961 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
6962 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
6963 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
6964 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
6965 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
6966 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
6967 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
6968 (appropriate peepholes): Likewise.
6969 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
6970 (*subsi_3, *subhi_3, *subqi_3): Remove.
6971 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
6972 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
6973 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
6974 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
6975 (x86_shift_adj_1): Use CCZ.
6976 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
6978 2000-03-27 Stan Cox <scox@cygnus.com>
6980 * resource.h (mark_resource_type): New.
6981 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
6982 find_free_register): Use mark_resource_type.
6983 (mark_set_resources): Change include_delayed_effects
6984 to mark_resource_type.
6985 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
6986 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
6987 Use mark_resource_type.
6989 2000-03-27 Richard Henderson <rth@cygnus.com>
6991 * i386.md (call_pop_0, call_value_pop_0): New.
6992 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
6993 (call_value_pop_1): Likewise.
6994 (call_0, call_value_0): New.
6995 (call_1, call_value_1): Remove constraint from unused arg.
6997 2000-03-27 Nick Clifton <nickc@cygnus.com>
6999 * invoke.texi (Spec Files): Document new spec % command created by
7000 Tom Tromey's recent patch.
7002 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7004 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7007 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7009 * expr.c (expand_assignment): Fix typo in last change.
7011 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7013 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7015 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7016 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7017 and DECL_INLINE if FUNCTION_DECL.
7018 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7019 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7020 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7021 (combine_parm_decls): Likewise.
7022 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7023 * print-tree.c (print_node): Likewise.
7024 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7025 DECL_TRANSPARENT_UNION on proper decl types.
7026 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7027 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7028 DECL_BIT_FIELD of FIELD_DECL.
7029 * tree.h (DECL_RESULT_FLD): New macro.
7031 * expr.c (expand_assignment): Add code to handle variable-sized
7034 2000-03-26 Richard Henderson <rth@cygnus.com>
7036 * calls.c (expand_call): Pass parms not original exp to
7037 optimize_tail_recursion. Mind return value instead of looking
7039 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7040 call_expr. Move checks for call_expr and current_function_decl ...
7041 (expand_return): ... here.
7043 2000-03-26 Tom Tromey <tromey@cygnus.com>
7045 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7046 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7048 (process_command): Use them.
7049 (check_live_switch): Likewise.
7050 (give_switch): Skip ignored switches.
7052 2000-03-26 Jan Hubicka <jh@suse.cz>
7054 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7055 for minimal jump pass test.
7057 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7059 * integrate.c (function_cannot_inline_p): Do inline functions that
7062 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7064 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7065 now a list of TREE_LIST entries, not types.
7066 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7068 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7069 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7071 * config/mips/mips.c (function_arg): Likewise; also remove cast
7072 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7073 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7074 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7075 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7076 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7077 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7078 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7079 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7080 num_adjusts now unsigned.
7081 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7082 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7084 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7085 as is BITPOS variable; use host_integerp and int_bit_position.
7086 (function_arg_record_value_2): Likewise.
7087 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7088 Variable REGNO now unsigned.
7089 (function_arg_record_value): NREGS now unsigned.
7091 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7093 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7095 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7097 * Rework fields used to describe positions of bitfields and
7098 modify sizes to be unsigned and use HOST_WIDE_INT.
7099 * alias.c (reg_known_value_size): Now unsigned.
7100 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7101 (really_start_incremental_init): Use bitsize_zero_node.
7102 (push_init_level, pop_init_level, output_init_element): Likewise.
7103 Use bitsize_unit_node and bitsize_one_node.
7104 (output_pending_init_elements, process_init_element): Likewise.
7105 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7106 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7107 HOST_WIDE_INT, respectively.
7108 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7109 (num_sign_bit_copies): Returns unsigned.
7110 BITWIDTH now unsigned; rework arithmetic.
7111 Remove recursive call from arg to MAX.
7112 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7113 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7115 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7116 (find_split_point, expand_compound_operation, make_extraction): LEN
7117 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7118 (make_field_assignment): Likewise.
7119 (combine_simplify_rtx): Add cast.
7120 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7121 (force_to_mode): WIDTH now unsigned; add cast.
7122 (if_then_else_cond): SIZE now unsigned.
7123 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7124 (extended_count): Now returns unsigned.
7125 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7126 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7127 (simplify_comparison): MODE_WIDTH now unsigned.
7128 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7129 (mark_used_regs_combine): Likewise; rework arithmetic.
7130 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7131 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7132 (record_promoted_value): REGNO now unsigned.
7133 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7134 (get_last_value): REGNO now unsigned.
7135 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7136 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7137 (remove_death): Arg REGNO now unsigned.
7138 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7139 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7141 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7142 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7143 (struct cse_reg_info): REGNO now unsigned.
7144 (cached_regno): Now unsigned.
7145 (REGNO_QTY_VALID_P): Add cast.
7146 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7147 (remove_invalid_regs): Likewise.
7148 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7149 as are variables END and I.
7150 (get_cse_reg_info, insert): Likewise.
7151 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7152 (canon_hash): Likewise.
7153 (insert_regs, lookup_for_remove): REGNO now unsigned.
7154 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7156 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7157 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7158 * emit-rtl.c (subreg_realpart_p): Add cast.
7159 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7160 (operand_subword_force): Arg I is now unsigned.
7161 * except.c (eh_regs): Variable I is now unsigned.
7162 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7163 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7164 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7165 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7166 (extract_split_bit_field, store_bit_field, extract_bit_field):
7168 * expr.c (store_constructor_fields, store_constructor, store_field):
7169 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7170 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7171 (do_jump): Likewise.
7172 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7173 MAX_SIZE is now unsigned.
7174 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7175 (emit_group_store): Likewise.
7176 (emit_move_insn): I now unsigned.
7177 (store_constructor): Use host_integerp, tree_low_cst, and
7179 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7180 Rework all calculations to use trees and new fields.
7181 * expr.h (promoted_input_arg): Regno now unsigned.
7182 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7183 (mark_seen_cases): Arg is HOST_WIDE_INT.
7184 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7185 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7186 precisions and alignments are unsigned.
7187 (optimize_bit_field_compare, fold_truthop): Likewise.
7188 (int_const_binop): Adjust threshold for size_int_type_wide call.
7189 (fold_convert): Likewise.
7190 (size_int_type_wide): Make table larger and fix thinko that only
7191 had half of table used.
7192 (all_ones_mask_p, fold): Precisions are unsigned.
7193 * function.c (put_reg_info_stack): REGNO is unsigned.
7194 (instantiate_decl): Size is HOST_WIDE_INT.
7195 (instantiate_virtual_regs): I is unsigned.
7196 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7197 (promoted_input_arg): REGNO is unsigned.
7198 * function.h (struct function): x_max_parm_reg is now unsigned.
7199 * gcse.c (max_gcse_regno): Now unsigned.
7200 (struct null_pointer_info): min_reg and max_reg now unsigned.
7201 (lookup_set, next_set): REGNO arg now unsigned.
7202 (compute_hash_table): REGNO and I now unsigned.
7203 (handle_avail_expr): regnum_for_replacing now unsigned.
7204 (cprop_insn): REGNO now unsigned.
7205 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7206 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7207 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7208 * hard-reg-set.h (reg_class_size): Now unsigned.
7209 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7210 * jump.c (mark_modified_reg): I now unsigned; add cast.
7211 (rtx_equal_for_thread_p): Add cast.
7212 * loop.c (max_reg_before_loop): Now unsigned.
7213 (struct_movable): REGNO now unsigned.
7214 (try_copy_prop): REGNO arg unsigned.
7215 (regs_match_p): XN and YN now unsigned.
7216 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7217 (strength_reduce): Likewise; NREGS also unsigned.
7218 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7219 * loop.h (struct iv_class): REGNO now unsigned.
7220 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7222 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7223 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7224 * optabs.c (expand_binop): I and NWORDS now unsigned.
7225 (expand_unop): I now unsigned.
7226 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7227 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7228 * real.c (significand_size): Now returns unsigned.
7229 * real.h (significand_size): Likewise.
7230 * regclass.c (reg_class_size): Now unsigned.
7231 (choose_hard_reg_mode): Both operands now unsigned.
7232 (record_reg_classes): REGNO and NR now unsigned.
7233 (reg_scan): NREGS now unsigned.
7234 (reg_scan_update): old_max_regno now unsigned.
7235 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7236 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7237 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7238 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7239 Likewise for variable R.
7240 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7241 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7242 (find_equiv_reg): Add casts.
7243 (regno_clobbered_p): Arg REGNO now unsigned.
7244 * reload.h (struct reload): NREGS now unsigned.
7245 (refers_to_regno_for_reload_p): Regno args are unsigned.
7246 (regno_clobbered_p): Likewise.
7247 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7248 (compute_use_by_pseudos): REGNO now unsigned.
7249 (find_reg): I and J now unsigned, new variable K, and change loop
7250 variables accordingly; THIS_NREGS now unsigned.
7251 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7252 (spill_hard_reg): REGNO arg now unsigned; add casts.
7253 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7254 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7255 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7256 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7257 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7258 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7259 (emit_reload_insns): REGNO now unsigned.
7260 (reload_cse_move2add): Add cast.
7261 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7263 * resource.c (mark_referenced_resources, mark_set_resources): New
7264 variable R; REGNO and LAST_REGNO now unsigned.
7265 (mark_target_live_regs): J and REGNO now unsigned.
7266 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7267 * rtl.h (union rtunion_def): New field rtuint.
7268 (XCUINT): New macro.
7269 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7270 (operand_subword, operand_subword_force): Word number is unsigned.
7271 (choose_hard_reg_mode): Operands are unsigned.
7272 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7273 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7274 (regno_use_in, combine_instructions, remove_death): Likewise.
7275 (reg_scan, reg_scan_update): Likewise.
7276 (extended_count): Return is unsigned.
7277 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7278 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7279 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7280 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7281 (reg_reg_last_1): FIRS and LAST now unsigned.
7282 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7283 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7285 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7286 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7287 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7288 (replace_regs): Arg NREGS now unsigned.
7289 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7290 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7291 (simplify_binary_operation): Likewise.
7292 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7293 THIS_LAST now unsigned.
7294 (cselib_record_set): Add cast.
7295 * ssa.c (ssa_max_reg_num): Now unsigned.
7296 (rename_block): REGNO now unsigned.
7297 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7299 (all_cases_count): Just return -1 not -2.
7300 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7301 Rework tests to use trees whenever possible.
7302 Use host_integerp and tree_low_cst.
7303 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7304 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7305 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7306 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7307 (smallest_mode_for_size): Likewise.
7308 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7309 KNOWN_ALIGN is now an alignment, so simplify code.
7310 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7311 (start_record_layout): Renamed from new_record_layout_info.
7312 Update to new fields.
7313 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7315 (place_union_field): Renamed from layout_union_field.
7316 Update to use new fields in rli.
7317 (place_field): Renamed from layout_field.
7318 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7319 (finalize_record_size): Rework to use new fields in rli and handle
7321 (compute_record_mode): Rework to simplify and to use new DECL fields.
7322 (finalize_type_size): Make rounding more consistent.
7323 (finish_union_layout): Deleted.
7324 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7325 (layout_type, case RECORD_TYPE): Call new function names.
7326 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7327 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7328 (get_best_mode): UNIT is now unsigned; remove casts.
7329 * tree.c (bit_position): Compute from new fields.
7330 (byte_position, int_byte_position): New functions.
7331 (print_type_hash_statistics): Cast to remove warning.
7332 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7333 (build_index_type): Likewise; make subtype of sizetype.
7334 (build_index_2_type): Pass sizetype to build_range_type.
7335 (build_common_tree_nodes): Use size_int and bitsize_int to
7336 initialize nodes; add bitsize_{zero,one,unit}_node.
7337 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7338 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7339 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7340 (DECL_FIELD_BITPOS): Deleted.
7341 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7342 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7343 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7344 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7345 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7346 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7347 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7348 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7349 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7350 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7351 (DECL_ALIGN): Adjust to new field in union.
7352 (DECL_OFFSET_ALIGN): New field.
7353 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7354 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7355 (union tree_decl): Add struct for both aligns.
7356 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7357 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7358 (struct record_layout_info): Rework fields to have offset
7359 alignment and byte and bit position.
7360 (start_record_layout, place_field): Renamed from old names.
7361 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7362 (byte_position, int_byte_position): Likewise.
7363 (get_inner_reference): Change types of position and length.
7364 * unroll.c (unroll_loop): New variable R; use for some loops.
7365 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7366 (calculate_giv_inc): Arg REGNO now unsigned.
7367 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7368 * varasm.c (assemble_variable): Clean up handling of size using
7369 host_integerp and tree_low_cst.
7370 (decode_addr_const): Use byte, not bit, position.
7371 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7372 use tree_low_cst and int_bit_position.
7373 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7375 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7377 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7378 (reorder_block_def): New members eff_head and eff_end.
7379 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7380 (verify_insn_chain): New function.
7381 (skip_insns_between_block): Add code to skip deleted insns.
7382 Check for note before using.
7383 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7384 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7385 Check for note before using.
7386 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7387 (fixup_reorder_chain): Restructure, clean up, defect removal.
7388 (reorder_basic_blocks): Remove last_insn and references to it.
7389 Moved insn chain verification code into a new function (see above).
7390 Delete defective code that sets last insn.
7391 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7394 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7396 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7398 2000-03-24 Richard Henderson <rth@cygnus.com>
7400 * tree.c (lang_safe_for_unsave): Remove.
7401 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7402 allowing for two levels of unsafeness. Remove lang hook.
7403 * tree.h: Update declarations.
7404 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7405 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7406 Always fail sibcalls when there are pending cleanups.
7408 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7410 * flow.c (propagate_block): When we delete an ADDR_VEC,
7411 also delete the BARRIER following it if there is one.
7413 2000-03-24 Richard Henderson <rth@cygnus.com>
7415 * builtins.c (expand_builtin_bzero): Convert `length' argument
7418 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7420 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7421 comparison if regno's are equal.
7422 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7423 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7424 (expand_call): Update caller.
7425 Avoid making a sibling call if argument size of the callee is larger
7426 than argument size of the caller.
7427 Call hard_function_value with outgoing set if in sibcall pass.
7428 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7430 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7431 Change LEAF_REGISTERS from an array initializer to actual array
7432 identifier. Move static global variable into the function.
7433 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7434 sequences for leaf functions.
7435 * global.c (global_alloc): Likewise.
7436 * tm.texi (LEAF_REGISTERS): Update documentation.
7438 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7439 TARGET_FLAT leaf disabling hack.
7440 (LEAF_REGISTERS): Changed from an array initializer to actual array
7441 identifier to avoid duplication and remove the above hack.
7442 (FUNCTION_OK_FOR_SIBCALL): Define.
7443 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7444 always like call attribute.
7445 (eligible_for_sibcall_delay): New attribute.
7446 (sibcall): New delay type.
7447 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7448 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7449 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7450 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7451 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7453 (output_function_epilogue): Move part of the code into
7454 output_restore_regs.
7455 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7457 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7460 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7461 until infrastructure is finished.
7463 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7465 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7466 (save_parm_insns): Not here.
7468 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7470 * builtins.c (expand_builtin_bzero): New function.
7471 (expand_builtin): Handle bzero.
7473 * builtins.def: Add BUILT_IN_BZERO.
7475 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7476 prototype & function for bzero.
7478 2000-03-23 Michael Meissner <meissner@redhat.com>
7480 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7481 change adding TARGET_FP to the TF floating point insns, except for
7482 trunctfsf2, which generates direct calls to truncdfsf2.
7484 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7486 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7487 try to protect against middle-end changes that break binary
7489 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7491 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7493 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7495 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7497 * calls.c (expand_call): If TARGET is passed by reference and
7498 is readonly, write a CLOBBER.
7500 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7502 * builtins.c (expand_builtin): Handle bcmp.
7504 * builtins.def: Add BUILT_IN_BCMP.
7506 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7507 prototype & function for bcmp.
7509 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7511 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7512 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7513 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7515 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7517 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7518 alternative when using -fp64 -gp32.
7520 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7522 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7523 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7524 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7526 * frame.h (frame_state): Revert last change.
7527 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7528 * libgcc2.c (throw_helper): Revert last change.
7530 2000-03-22 Richard Henderson <rth@cygnus.com>
7532 * stmt.c (expand_asm_operands): Don't promote the temporary.
7534 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7536 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7537 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7538 c_get_alias_set): Likewise.
7539 * c-decl.c (duplicate_decls): Likewise.
7540 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7541 * calls.c (initialize_argument_information): Likewise.
7542 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7544 * dwarfout.c (decl_class_context,output_type): Likewise.
7545 * expr.c (get_inner_reference): Likewise.
7546 * fold-const.c (simple_operand_p,fold): Likewise.
7547 * function.c (aggregate_value_p): Likewise.
7548 * stmt.c (expand_asm_operands): Likewise.
7549 * varasm.c (named_section): Likewise.
7551 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7553 Implement dwarf2 exception handling for the ARM.
7554 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7555 (DWARF_FRAME_RETURN_COLUMN): Define.
7556 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7557 REG_FRAME_RELATED_EXPR note.
7558 (emit_sfm): Likewise.
7559 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7560 * dwarf2out.c (reg_save): Handle saving a register to itself.
7561 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7562 * except.c (eh_regs): Don't use the static chain reg if it's
7564 * frame.h (frame_state): Add cfa_saved field.
7565 * frame.c (execute_cfa_insn): Set it.
7566 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7568 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7570 (instantiate_virtual_regs): Adjust.
7572 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7573 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7574 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7576 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7577 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7579 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7581 * builtins.def: New file.
7583 * Makefile.in (TREE_H): Depend on builtins.def.
7585 * builtins.c (built_in_names): Use builtins.def.
7587 * tree.h (built_in_function): Likewise.
7589 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7591 * tree.c (size_in_bytes): Return size_zero_node, not
7594 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7596 * config/fp-bit.c (pack_d): Correct the case when a denormal
7597 is rounded up and stops being denormal.
7599 2000-03-21 Richard Henderson <rth@cygnus.com>
7601 * config/alpha/alpha.c (function_arg): Check for void_type_node
7602 before using MUST_PASS_IN_STACK.
7604 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7606 * regmove.c (combine_stack_adjustments_for_block): Check that
7607 the stack pointer is a valid memory address.
7609 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7611 * calls.c: re-install Mar 16 emit_library_call merge.
7613 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7615 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7616 we cannot be sure that if reload_completed base register will
7617 be properly aligned.
7619 2000-03-21 Richard Henderson <rth@cygnus.com>
7621 * flow.c (delete_block): Fix typo last change.
7623 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7625 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7626 not COMPLETE_TYPE_P, to check the type of the expression.
7628 2000-03-21 Michael Meissner <meissner@redhat.com>
7630 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7631 all floating point insns that just tested the macro
7632 TARGET_HAS_XFLOATING_LIBS.
7633 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7634 used to only use the gprs.
7636 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7638 * tree.h (COMPLETE_TYPE_P): New macro.
7639 (COMPLETE_OR_VOID_TYPE_P): New macro.
7640 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7641 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7642 * c-aux-info.c (gen_type): Use them.
7643 * c-common.c (c_expand_expr_stmt): Likewise.
7644 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7645 grokdeclarator, grokparms, finish_struct, start_function,
7646 store_parm_decls, combine_parm_decls): Likewise.
7647 * c-parse.y (cast_expr): Likewise.
7648 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7649 c_size_in_bytes, c_alignof, build_component_ref,
7650 build_indirect_ref, build_array_ref, convert_arguments,
7651 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7652 * calls.c (initialize_argument_information): Likewise.
7653 * convert.c (convert_to_integer): Likewise.
7654 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7655 * dwarfout.c (location_or_const_value_attribute,
7656 output_enumeration_type_die, output_structure_type_die,
7657 output_union_type_die, output_type): Likewise.
7658 * expr.c (safe_from_p, expand_expr): Likewise.
7659 * function.c (assign_parms): Likewise.
7660 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7661 * tree.c (build_array_type, build_function_type,
7662 build_method_type, build_offset_type, build_complex_type): Likewise.
7663 * c-parse.c, c-parse.h: Regenerated.
7665 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7667 * config/c4x/rtems.h: Include config/rtems.h.
7669 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7671 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7672 decl is a FUNCTION_DECL
7674 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7676 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7677 function uses output registers. Don't save RP for leaf functions.
7678 Do save RP even if no epilogue.
7679 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7680 (CALL_USED_REGISTERS): Unmark in registers.
7681 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7684 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7686 * config/rs6000/rs6000.md (bunordered): New expander.
7687 (bordered): New expander.
7688 (buneq): New expander.
7689 (bunge): New expander.
7690 (bungt): New expander.
7691 (bunle): New expander.
7692 (bunlt): New expander.
7693 (bltgt): New expander.
7695 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7696 (ccr_bit_negated_p): New function.
7697 (print_operand): For %C, generate appropriate cror for UNEQ,
7698 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7700 2000-03-20 Andreas Jaeger <aj@suse.de>
7702 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7705 * tree.h (safe_for_unsave): Prototype.
7707 2000-03-20 Richard Henderson <rth@cygnus.com>
7709 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7710 (combine_stack_adjustments_for_block): Don't allow sp references
7711 in the side of a set we're not fixing up.
7712 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7713 after life_analysis.
7715 2000-03-20 Richard Henderson <rth@cygnus.com>
7717 * calls.c (expand_call): Don't bother generating tail call
7718 sequences if there are pending cleanups. Use
7719 expand_start_target_temps/expand_end_target_temps to elide
7720 cleanups created during sibcall expansion.
7722 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7724 * configure.in: Set $IFS to a value if it doesn't already have one
7725 in the --enable-checking handling.
7726 * configure: Regenerate.
7728 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7730 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7731 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7734 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7736 * jump.c (delete_noop_moves): Remove code attempting to
7737 combine stack adjustments.
7739 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7741 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7742 * except.c (emit_cleanup_handler): Use them.
7743 (expand_end_all_catch): Likewise.
7744 * function.c (fixup_var_refs): Likewise.
7745 (expand_function_end): Clear catch_clauses_last.
7746 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7747 * except.h (struct eh_status): New field x_catch_clauses_last.
7748 (catch_clauses_last): New define.
7750 * Makefile.in (tree.o): Depend on HASHTAB_H.
7751 * tree.c: Include hashtab.h.
7752 (struct type_hash): Remove next field.
7753 (TYPE_HASH_SIZE): Remove.
7754 (TYPE_HASH_INITIAL_SIZE): New define.
7755 (type_hash_table): Change type to htab_t.
7756 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7757 mark_hash_entry): New functions.
7758 (init_obstacks): Allocate type hash.
7759 (type_hash_lookup): Use htab functions.
7760 (type_hash_add, mark_type_hash): Likewise.
7761 (dump_tree_statistics): Call print_type_hash_statistics.
7763 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7765 * rs6000/t-aix41: New file.
7767 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
7769 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
7771 * tm.texi (Driver): Fix typos and tweak entry for
7773 Move misplaced STRUCT_FORCE_BLK entry ...
7774 (Storage Layout): ... to here.
7775 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
7777 2000-03-19 Richard Henderson <rth@cygnus.com>
7779 * flow.c (delete_block): Delete the addr_vec along with the block.
7780 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
7783 * fold-const.c (extract_muldiv): Apply type check for defined
7784 overflow to multiply as well as divide.
7786 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
7788 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7790 * emit-rtl.c (remove_unncessary_notes): Check that all
7791 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
7792 associated NOTE_BLOCK.
7793 * function.h (identify_blocks): Update comments.
7794 (reorder_blocks): Declare.
7795 * function.c (identify_blocks): Don't take paramters.
7796 (reorder_blocks): Don't take parameters.
7797 * loop.h (find_loop_tree_blocks): Remove.
7798 (unroll_block_trees): Likewise.
7799 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
7800 reorder_blocks instead of unroll_block_trees.h
7801 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
7802 * stmt.c (find_loop_tree_blocks): Remove.
7803 (unroll_block_trees): Likewise.
7804 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
7805 in whole-function mode.
7806 * tree.h (reorder_blocks): Remove declaration.
7808 * expr.c: Include intl.h.
7809 * Makefile.in (expr.o): Depend on intl.h.
7811 2000-03-18 Richard Henderson <rth@cygnus.com>
7813 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
7815 2000-03-18 Mark Mitchell <mark@codesourcery.com>
7817 * tree.h (tree_index): Remove enumerals for integer types.
7818 (integer_type_kind): New type.
7819 (integer_types): New variable.
7820 (char_type_node): Adjust.
7821 (signed_char_type_node): Likewise.
7822 (unsigned_char_type_node): Likewise.
7823 (short_integer_type_node): Likewise.
7824 (short_unsigned_type_node): Likewise.
7825 (integer_type_node): Likewise.
7826 (unsigned_type_node): Likewise.
7827 (long_integer_type_node): Likewise.
7828 (long_unsigned_type_node): Likewise.
7829 (long_long_integer_type_node): Likewise.
7830 (long_long_unsigned_type_node): Likewise.
7831 * tree.c (integer_types): New variable.
7832 (init_obstacks): Register it as a root.
7834 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
7836 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
7837 NEXT_INSN. Update last insn in chain.
7839 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
7841 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
7842 with TYPE_DECL_SUPPRESS_DEBUG set.
7844 2000-03-18 Richard Henderson <rth@cygnus.com>
7846 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
7848 2000-03-18 Richard Henderson <rth@cygnus.com>
7850 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
7851 care for HALF_PIC_P.
7852 (expander_call_insn_operand): Remove.
7853 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
7854 * i386.h (PREDICATE_CODES): Update.
7855 * i386.md (all call expanders): Remove predicates, remove special
7856 handling for half-pic.
7857 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
7858 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
7859 (sibcall_epilogue): New.
7861 2000-03-17 Richard Henderson <rth@cygnus.com>
7863 * rtlanal.c (single_set): Reject if the parallel has anything
7864 except SET or USE or CLOBBER.
7866 2000-03-17 Jeff Law <law@cygnus.com>
7867 Richard Henderson <rth@cygnus.com>
7869 * Makefile.in (OBJS): Add sibcall.o.
7871 * sibcall.c: New file.
7872 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
7873 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
7874 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
7875 Emit sibcall patterns when requested. Update all callers.
7876 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
7877 elimination seems feasable.
7878 * final.c (leaf_function_p): Sibling calls don't discount being
7880 * flow.c (HAVE_sibcall_epilogue): Provide default.
7881 (find_basic_blocks_1): Sibling calls don't throw.
7882 (make_edges): Make edge from sibling call to EXIT.
7883 (propagate_block): Don't remove sibcall_epilogue insns.
7884 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
7885 (sibcall_epilogue): New.
7886 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
7887 (identify_blocks_1): Likewise. Break out from ...
7888 (identify_blocks): ... here.
7889 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
7890 (reorder_blocks): ... here.
7891 (init_function_for_compilation): Zap prologue/epilogue as varrays.
7892 (record_insns): Extend a varray instead of mallocing new memory.
7893 (contains): Read a varray not array of ints.
7894 (sibcall_epilogue_contains): New.
7895 (thread_prologue_and_epilogue_insns): Emit and record
7896 sibcall_epilogue patterns.
7897 (init_function_once): Allocate prologue/epilogue varrays.
7898 * genflags.c (gen_insn): Treat sibcall patterns as calls.
7899 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
7901 (save_for_inline_nocopy): ... here.
7902 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
7904 (expand_inline_function): ... here.
7905 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
7906 (subst_constants): Handle 'n' formats.
7907 * jump.c (jump_optimize_minimal): New.
7908 (jump_optimize_1): New arg `minimal'; update callers. Elide most
7909 optimizations if it's set.
7910 * rtl.c (copy_rtx): Do copy jump & call for insns.
7911 * rtl.h (struct rtx_def): Document use of jump and call for insns.
7912 (SIBLING_CALL_P): New.
7913 (sibcall_use_t): New.
7914 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
7915 Invoke optimize_sibling_and_tail_recursive_calls.
7916 * tree.c (lang_safe_for_unsave): New.
7917 (safe_for_unsave): New.
7918 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
7920 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
7921 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
7922 (*sibcall_osf_1, *sibcall_value_osf_1): New.
7924 2000-03-17 Mark Mitchell <mark@codesourcery.com>
7926 * objc/objc-act.c (encode_method_prototype): Pass types, not
7927 PARM_DECLs, to int_size_in_bytes.
7929 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
7931 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
7933 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
7934 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
7936 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7938 * Clean up usages of TREE_INT_CST_LOW.
7939 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
7940 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7942 * c-tree.h (min_precision): Move declaration to here.
7943 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
7944 (build_unary_op, add_pending_init): Use bit_position.
7945 (pending_init_member, process_init_element): Likewise.
7946 (really_start_incremental_init, push_init_level, pop_init_level):
7947 Don't make copies of nodes or modify them in place, use consistent
7948 types when tracking positions, and use tree routines computations.
7949 (set_init_index, output_init_element): Likewise.
7950 (output_pending_init_elements, process_init_element): Likewise.
7951 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
7952 tree_low_cst and int_bit_position; also minor cleanup.
7953 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
7954 (print_cst_octal): Precision is unsigned.
7955 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
7956 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
7957 (simple_type_align_in_bits): Result is unsigned int.
7958 Use tree_int_low_cst and host_integerp.
7959 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
7960 (field_byte_offset): Result is HOST_WIDE_INT.
7961 Change types of internal variables so alignments are unsigned int,
7962 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
7963 Use host_integerp, tree_low_cst, and int_bit_position.
7964 (add_bit_offset_attribute): Likewise.
7965 (add_data_member_location_attribute): Use tree_cst_low.
7966 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
7967 (add_bit_size_attribute): Use tree_low_cst.
7968 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
7969 * dwarfout.c: Similar changes to dwarf2out.c.
7970 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
7971 * genoutput.c (n_occurences): Return -1 for null string.
7972 (strip_whitespace): Accept null string and make into function.
7973 (scan_operands): Reflect above changes.
7974 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
7975 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
7976 * ssa.c (rename_registers): Add missing cast of arg to bzero.
7977 * tree.c (int_size_in_bytes): Check for too big to represent.
7978 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
7979 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
7981 (min_precision): Delete from here.
7982 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
7983 and int_bit_position.
7984 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
7985 (encode_method_def): Likewise.
7986 (build_ivar_list_initializer): Use int_bit_position.
7987 (generate_shared_structures): Convert size.
7988 (encode_type, encode_complete_bitfield): Use integer_zerop.
7989 (encode_bitfield): Use tree_low_cst and int_bit_position.
7991 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7993 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
7995 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7997 * call.c (special_function_p): It is only malloc if it returns
8000 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8002 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8003 (C33_FLAG, TARGET_C3X): Add macros.
8004 (TARGET_SWITCHES): Add -m33 option.
8005 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8007 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8009 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8010 (PARALLEL_PACK_FLAG): Delete.
8011 (TARGET_SWITCHES): Update.
8012 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8014 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8016 * fold-const.c (fold): Fix a few cases when the returned result
8017 is not of the same type as the input.
8019 2000-03-16 Nick Clifton <nickc@cygnus.com>
8021 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8024 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8026 * libgcc2.h: Move prototypes above macros with the same name.
8027 Wrap some function prototypes in the conditional which indicates
8028 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8030 2000-03-16 Richard Henderson <rth@cygnus.com>
8032 * calls.c: Revert last two changes.
8034 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8036 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8037 has exponent 0 is a zero.
8039 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8040 HASH may already be nonzero. Add code/mode into hash value
8041 immediately after repeat label.
8042 (cselib_lookup): Don't leave the hash table in an inconsistent
8043 state before a hash lookup operation.
8045 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8047 * i386.md (all HI and QI mode non-move patterns): Conditionize
8048 by TARGET_[HQ]IMODE_MATH.
8049 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8050 x86_promote_qi_regs): Declare.
8051 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8052 TARGET_PROMOTE_QI_REGS): New macros.
8053 (PROMOTE_MODE): New macro.
8054 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8055 x86_promote_qi_regs): New global variables.
8057 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8059 * calls.c (emit_library_call_value_1): Break out from ...; handle
8060 VOIDmode function calls too.
8061 (emit_library_call_value): ... here.
8062 (emit_library_call): Implement by calling emit_library_call_value_1.
8064 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8066 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8067 Update arg_space_so_far on stack adjustments.
8068 (emit_library_call, emit_library_call_value): Likewise; take into
8069 account arg_space_so_far and pending_stack_adjust when calculcating
8072 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8074 * flow.c: Move all basic block reordering code into its own file.
8075 (create_basic_block): Externalize.
8076 * bb-reorder.c: New file. Copy all basic block reordering code from
8077 flow.c to this file.
8078 (reorder_basic_blocks): Fix fencepost error in for-loop.
8079 (reorder_basic_blocks): Remove braces from single statement for-loops.
8080 * basic-block.h: Add declaration for create_basic_block.
8081 * Makefile.in: Add rules for bb-reorder.o.
8083 2000-03-16 Neil Booth <NeilB@earthling.net>
8085 * cppinit.c (handle_option): Implement #unassert directive
8086 as -A- command line option.
8087 (print_help): Update.
8088 * cpptexi.c: Update.
8090 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8092 * md.texi (Standard Names): Document `jump'.
8094 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8096 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8099 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8101 Merge changes from newppc-branch onto trunk.
8103 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8105 * rs6000.c (toc_hash_table): Update for new hash table functions.
8106 (toc_hash_function): Likewise.
8107 (toc_hash_eq): Likewise.
8108 (toc_hash_mark_entry): Likewise.
8109 (toc_hash_mark_table): Likewise.
8110 (output_toc): Likewise.
8111 (rs6000_add_gc_roots): Likewise.
8113 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8115 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8116 (AR_FLAGS_FOR_TARGET): here. New macro.
8118 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8120 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8121 fpmem_operand) Delete.
8123 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8124 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8125 (rs6000_save_machine_status, rs6000_restore_machine_status,
8126 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8127 references to above variables.
8128 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8129 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8130 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8131 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8132 (XER_REGNO_P, XER_REGNO): New.
8133 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8134 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8135 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8137 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8138 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8139 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8141 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8143 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8144 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8145 * rs6000.h: from here.
8147 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8148 (rs6000_select_rtx_section): Likewise.
8149 (rs6000_encode_section_info): Likewise.
8150 (sdata_section): Likewise.
8151 (sdata2_section): Likewise.
8152 (sbss_section): Likewise.
8153 * sysv4.h (rs6000_select_section): Delete prototype.
8154 (rs6000_select_rtx_section): Likewise.
8155 (rs6000_encode_section_info): Likewise.
8156 (sdata_section): Likewise.
8157 (sdata2_section): Likewise.
8158 (sbss_section): Likewise.
8159 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8161 * sysv4.h: Delete various unnecessary #undef's and put a comment
8162 on the remaining ones.
8163 Change various comments according to coding standard.
8165 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8167 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8168 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8169 (CR0_REGNO_P) Remove.
8170 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8171 setup_incoming_varargs, mtcrf_operation, print_operand,
8172 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8173 Use the above macros.
8175 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8177 * config/rs6000/rs6000.md: Added a new alternative for each
8178 pattern that had a 'x' alternative but no 'y' alternative.
8179 Added a new split for each of the above patterns.
8181 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8183 * aix41.h (ASM_CPU_SPEC): Delete.
8184 (CPP_CPU_SPEC): Delete.
8186 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8187 (ASM_OUTPUT_LABEL): Define.
8188 (ASM_GLOBALIZE_LABEL): Define.
8189 (STRIP_NAME_ENCODING): Define.
8190 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8191 (STRIP_NAME_ENCODING): Don't define.
8192 (ASM_OUTPUT_LABEL): Don't define.
8193 (ASM_GLOBALIZE_LABEL): Don't define.
8194 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8195 names, and ASM_OUTPUT_LABEL to output labels, rather than
8197 (ASM_OUTPUT_LABEL): Define.
8198 (ASM_OUTPUT_INT): Use assemble_name.
8199 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8200 (STRIP_NAME_ENCODING): Don't undefine first.
8201 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8203 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8204 specified with 'asm' even with -fleading-underscore.
8205 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8206 (output_epilog): Likewise.
8207 (output_toc): Likewise.
8208 * tramp.asm: Handle -fleading-underscore correctly.
8210 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8212 (nonlocal_goto_receiver): Delete.
8213 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8215 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8216 (SET_ASM_OP): Define.
8217 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8219 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8222 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8223 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8225 * rs6000.h: Add 'u' to more constants.
8227 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8229 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8231 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8233 * rs6000.c (reg_or_u_cint_operand): New function.
8234 (logical_operand): Handle 64-bit hosts.
8235 (logical_u_operand): New function.
8236 (non_logical_cint_operand): Handle 64-bit hosts.
8237 (non_logical_u_cint_operand): New function.
8238 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8239 (PREDICATE_CODES): Define new functions.
8240 * rs6000-protos.h: Declare new functions.
8241 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8242 (movdi_64): Bracket code intended for 64-bit hosts. Create
8243 CONST_DOUBLE for 32-bit values.
8244 (scc insns): Generate DImode compares.
8245 (mfcr insns): Create DImode versions.
8246 (sge matchers): New patterns.
8248 2000-02-15 Gabriel Paubert <paubert@iram.es>
8250 * rs6000.md: Correct instructions length attributes and
8251 constraints on unsigned compare instructions.
8252 (*ne0): Disable for PowerPC64.
8254 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8256 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8257 quantity, fix profile1.C test failure under -fPIC.
8259 * rs6000.c: Add 'u' to many constants to suppress warnings.
8260 (constant_pool_expr_1): Make static.
8261 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8262 * rs6000.h: Add 'u' to many constants to suppress warnings.
8264 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8265 for the start of the TOC, instead of LCTOC..0.
8266 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8268 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8269 (load_toc_aix_di): Use LCTOC..1.
8271 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8272 * rs6000.c (rs6000_legitimize_address): New function from
8273 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8274 symbols in the constant pool that really are TOC references.
8275 (print_operand_address): For ELF, write TOC offsets under
8276 -fPIC as subtractions in the insn.
8277 (output_toc): For ELF, define symbols in TOC as normal labels,
8279 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8280 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8281 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8282 * rs6000.md (movsi): Only use create_TOC_reference on
8283 symbols in the constant pool that really are TOC references.
8285 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8286 * rs6000.c (rs6000_reorg): Delete.
8287 * rs6000-protos.h (rs6000_reorg): Delete.
8289 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8291 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8293 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8294 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8295 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8296 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8297 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8298 rs6000_aix_emit_builtin_unwind_init.
8299 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8300 rs6000_emit_eh_toc_restore on AIX.
8301 (return_eh_si): Use r2.
8302 (return_eh_di): Use r2.
8304 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8305 since we're breaking binary compatibility anyway.
8307 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8309 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8310 constant_pool_expr_p): Declare them.
8311 (constant_pool_expr_p): Declare it.
8312 * config/rs6000/rs6000.c (toc_label_name): Define.
8313 (rs6000_override_options): Set toc_label_name.
8314 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8315 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8316 uses_TOC): New functions.
8317 (print_operand): Delete old '*' case.
8318 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8319 and strip off rtl for TOC before calling output_addr_const.
8320 (rs6000_emit_load_toc_table): Use toc_label_name.
8321 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8323 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8324 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8325 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8326 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8327 into explicit TOC_REGISTER offsets.
8328 (TOC_REGISTER): New macro.
8329 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8330 TARGET_TOC to reference TOC_REGISTER.
8331 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8332 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8333 uses_TOC before emitting label references.
8335 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8337 * rs6000.md (stack_tie): Fix warning.
8339 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8340 to handle -fleading-underscore.
8341 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8342 (USER_LABEL_PREFIX): New macro.
8343 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8344 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8345 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8346 call-linux can use the same multilibs.
8347 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8348 and call-linux multilibs. Do multilib with -fleading-underscore.
8349 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8350 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8353 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8354 have MASK_SOFT_FLOAT set.
8355 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8356 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8357 CPP_FLOAT_DEFAULT_SPEC.
8359 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8360 * rs6000.md: Whitespace change.
8361 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8362 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8364 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8366 * rs6000.md (eh_epilogue): New expander.
8367 (eh_reg_restore): New expand/split/insn combination.
8368 (return_eh_si): New insn.
8369 (return_eh_di): New insn.
8371 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8372 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8373 * eabi-ctors.c (__do_global_ctors): Register this object's
8374 frame. Clean up. Call atexit() after the constructors.
8375 (__do_global_dtors): Deregister this object's frame. Clean up.
8376 Allow for recursive calls to exit().
8377 * rs6000.c (fixuplabelno): New variable.
8378 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8379 TARGET_RELOCATABLE, it slows down exec() under linux.
8380 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8382 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8383 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8384 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8385 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8386 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8387 (ASM_OUTPUT_DWARF_ADDR): New macro.
8388 (ASM_OUTPUT_DWARF_DATA4): New macro.
8389 (ASM_OUTPUT_DWARF_DATA2): New macro.
8390 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8391 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8392 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8394 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8396 * rs6000.c (rs6000_sr_alias_set): New variable.
8397 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8398 (rs6000_emit_stack_tie): New function.
8399 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8400 in a way that dwarf2out can understand.
8401 (rs6000_frame_related): New function.
8402 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8403 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8404 Use rs6000_emit_stack_tie when needed.
8405 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8406 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8407 * rs6000.md (stack_tie): New insn.
8408 (return_internal_si): Allow return value to be in the count
8410 (return_internal_di): Likewise.
8412 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8414 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8416 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8418 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8420 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8422 * rs6000.md (stmw): Use the right POWER opcode.
8425 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8427 * rs6000-protos.h: New file.
8429 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8431 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8434 * sysv4.h: Likewise.
8436 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8438 * ../../configure.in: Delete powerpcle-*-winnt*
8439 and powerpcle-*-pe|powerpcle-*-cygwin*.
8440 * ../../configure: Regenerated.
8442 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8443 (TARGET_WINDOWS_NT): Delete.
8445 (CALL_NT_DLLIMPORT): Delete.
8446 Delete NT-specific code.
8447 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8450 * nt-ci.asm: Delete.
8451 * nt-cn.asm: Delete.
8452 * ntstack.asm: Delete.
8454 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8456 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8457 (ASM_FILE_START): Likewise.
8458 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8459 (ASM_OUTPUT_LABELREF): Likewise.
8460 (ASM_OUTPUT_SKIP): Likewise.
8461 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8462 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8463 (ASM_OUTPUT_CASE_LABEL): Likewise.
8464 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8465 (ASM_OUTPUT_ASCII): Likewise.
8467 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8469 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8470 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8471 increment rs6000_pic_labelno here.
8472 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8473 and increment rs6000_pic_labelno here.
8475 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8477 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8478 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8479 allocation knows (reg) is dead before the insn.
8481 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8483 * rs6000.md (movsi_to_cr): Correct typo in output template.
8485 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8487 * rs6000.c (rs6000_pic_labelno): Always define.
8488 (rs6000_pic_func_labelno): Delete.
8489 (lmw_operation): Check for a zero base register,
8490 which doesn't mean what we want.
8491 (stmw_operation): New function.
8492 (print_operand): Define new 'l' modifier.
8493 (rs6000_stack_info): We must save all 64 bits of the registers
8494 if TARGET_POWERPC64.
8495 (rs6000_output_load_toc_table): Delete.
8496 (rs6000_emit_load_toc_table): New function.
8497 (rs6000_allocate_stack_space): Delete.
8498 (rs6000_emit_allocate_stack): New function.
8499 (rs6000_emit_prologue): New function.
8500 (output_prolog): Use rs6000_emit_prologue.
8501 (rs6000_emit_epilogue): Change a few variable names to be
8502 more accurate. Restore all 64 bits of the registers if
8503 TARGET_POWERPC64. Only restore the FP registers which were used
8504 if they are being saved/restored one-at-a-time.
8505 (output_mi_thunk): Delete inefficient code generation.
8506 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8507 * rs6000.h: Declare rs6000_emit_load_toc_table,
8508 rs6000_allocate_stack_space, stmw_operation. Don't declare
8509 rs6000_output_load_toc_table.
8510 * rs6000.md (elf_high): Allow register 0, but discourage it
8512 (elf_low): Support loading into register 0.
8513 (load_toc_aix_si): New pattern.
8514 (load_toc_aix_di): New pattern.
8515 (load_toc_v4_pic_si): New pattern.
8516 (load_toc_v4_pic_di): New pattern.
8517 (load_toc_v4_PIC_1): New pattern.
8518 (load_toc_v4_PIC_1b): New pattern.
8519 (load_toc_v4_PIC_2): New pattern.
8520 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8521 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8522 (prologue): New expander.
8523 (movesi_from_cr): New pattern.
8524 (stmw): New pattern.
8525 (save_fpregs_si): New pattern.
8526 (save_fpregs_di): New pattern.
8528 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8530 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8535 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8537 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8539 (movsi_got_internal): Likewise.
8540 (movsi_got_internal+1): Likewise.
8541 (set_sp): 'unspec 7' does a SImode clobber.
8543 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8545 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8546 allocate a stack temporary.
8547 (floatsidf2_internal): Likewise.
8548 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8550 (floatunssidf2): Don't use the fpmem "register", just
8551 allocate a stack temporary.
8552 (floatunssidf2_internal): Likewise.
8553 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8555 (floatsidf2_loadaddr): Delete.
8556 (floatsidf2_store1): Delete.
8557 (floatsidf2_store2): Delete.
8558 (floatsidf2_load): Delete.
8559 (fix_truncdfsi2): Don't use the fpmem "register", just
8560 allocate a stack temporary.
8561 (fix_truncdfsi2_internal_si): Delete.
8562 (fix_truncdfsi2_internal_di): Delete.
8563 (fix_truncdfsi2_internal): New insn.
8564 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8565 (fix_truncdfsi2_store): Delete.
8566 (fix_truncdfsi2_load): Delete.
8567 (fctiwz): Produce gen_fctiwz.
8569 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8571 * eabi.h (INVOKE__main): Define.
8572 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8574 (rs6000_emit_prologue): Likewise.
8575 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8576 this is the main program.
8578 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8580 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8582 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8584 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8585 goes after the argument.
8587 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8589 * rs6000.md: Document 'unspec' values used.
8590 (epilogue): New expander.
8591 (movesi_to_cr_one): New expander.
8592 (movesi_to_cr and following): New pattern.
8594 (return_internal_si): New pattern.
8595 (return_internal_di): New pattern.
8596 (return_and_restore_fpregs_si): New pattern.
8597 (return_and_restore_fpregs_di): New pattern.
8598 * rs6000.h: Declare new functions.
8599 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8600 rather than rs6000_calls_p.
8601 (rs6000_makes_calls): Delete.
8602 (lmw_operation): New function.
8603 (mtcrf_operation): New function.
8604 (rs6000_emit_epilogue): New function.
8605 (output_epilog): Call rs6000_emit_epilogue and final if
8606 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8608 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8610 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8611 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8612 * aix.h (SUBTARGET_SWITCHES): Document switches.
8613 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8614 sched-prolog and sched-epilog the same. Document all the
8616 (TARGET_OPTIONS): No longer allow -mdebug-.
8618 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8620 * rs6000.h (ASM_FILE_END): Move to aix.h.
8621 (EXTRA_SECTIONS): Move to aix.h.
8622 (READONLY_DATA_SECTION): Move to aix.h.
8623 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8624 (SELECT_SECTION): Move to aix.h.
8625 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8626 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8627 (LINK_REGISTER_REGNUM): New definition.
8628 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8629 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8631 * sysv4.h: Delete the code between the inclusion of rs6000.h
8633 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8634 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8635 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8636 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8637 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8638 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8639 (fix_truncdfsi2_internal_di): New pattern.
8640 (fix_truncdfsi2_store): The second arg here is Pmode too.
8641 (fix_truncdfsi2_load): The second arg here is Pmode too.
8642 (tablejumpdi): Now that switch tables hold only SImode values,
8643 gcc needs to know how to add them to the pc which is DImode.
8644 * rs6000.c (rs6000_stack_info): Use symbolic name for
8645 LINK_REGISTER_REGNUM.
8646 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8647 (output_toc): Delete unused variables s1 and s2.
8648 (output_ascii): Use fputs not fprintf on a variable string.
8650 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8652 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8653 * aix43.h: Revert Aug 2 change.
8654 (HAS_INIT_SECTION): Define, not visible yet.
8655 (LD_INIT_SWITCH): Define, not visible yet.
8656 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8658 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8660 * config/rs6000/rtems.h: Include config/rtems.h.
8662 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8664 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8665 (SLOW_UNALIGNED_ACCESS): Define.
8666 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8667 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8668 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8669 (toc_section): Likewise and .toc pseudo-op.
8670 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8672 (TEXT_SECTION_ASM_OP): Likewise.
8673 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8676 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8678 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8679 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8682 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8684 * rs6000.h: Move more stuff from here...
8686 * sysv4.h: Cleanup accordingly.
8687 * netware.h: Likewise
8689 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8691 * rs6000.h: Continue cleanup.
8694 * netware.h: Likewise.
8696 * sysv4.h: Likewise.
8697 * win-nt.h: Likewise.
8699 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8700 (TARGET_OPTIONS): Likewise.
8702 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8703 (SUBTARGET_OPTIONS): Likewise.
8705 * rs6000.md: Fix compile time warnings.
8707 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8709 vxworks patches from the Cygnus tree originally by
8710 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8711 <vmakarov@cygnus.com>.
8712 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8713 (ENDFILE_SPEC): Likewise.
8714 (LIB_VXWORKS_SPEC): New macro.
8715 (STARTFILE_VXWORKS_SPEC): New macro.
8716 (ENDFILE_VXWORKS_SPEC): New macro.
8717 (LINK_START_VXWORKS_SPEC): New macro.
8718 (LINK_OS_VXWORKS_SPEC): New macro.
8719 (CPP_OS_VXWORKS_SPEC): New macro.
8720 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8721 * vxppc.h: Rewrite to use proper configuration method.
8722 * vxppcle.h: New file.
8723 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8724 * ../../configure: Rebuilt.
8726 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8728 Lots of changes to rs6000.h, sysv4.h, aix.h,
8729 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8730 with the aim that rs6000.h is the first header
8731 included and the others override it.
8734 * x-aix41-gld: Remove.
8736 * x-aix41: Remove target-specific switches, and don't specify
8737 -Wl,-bbigtoc as we don't need it any more.
8738 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8739 Use t-aix43 for AIX 4.3 and above.
8740 * ../../configure: Regenerated.
8742 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8743 options, that don't do anything yet.
8744 (MASK_SCHED_PROLOG): New macro.
8745 (MASK_SCHED_EPILOG): New macro.
8746 (TARGET_SCHED_PROLOG): New macro.
8747 (TARGET_SCHED_EPILOG): New macro.
8749 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8751 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8752 one per translation unit, not one per function.
8753 (output_toc): Also do duplicate constant elimination
8754 for per-translation-unit TOCs.
8756 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8757 a comment explaining _exactly_ when this pattern gets used.
8758 (builtin_setjmp_receiver): New pattern for better clarity.
8759 (init_v4_pic): Move it into a section dealing with TOC registers.
8761 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8763 * rs6000.c (toc_hash_table): New variable.
8764 (rs6000_hash_constant): New function.
8765 (toc_hash_function): New function.
8766 (toc_hash_eq): New function.
8767 (toc_hash_mark_entry): New function.
8768 (toc_hash_mark_table): New function.
8769 (output_toc): Don't output duplicate TOC entries in
8771 (rs6000_add_gc_roots): Add the hash table as a GC root.
8772 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
8773 where they clearly shouldn't be. This may need to be fixed
8774 later when there is a GNU ar for AIX.
8775 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
8776 Don't define BOOT_LDFLAGS as it is now not necessary.
8778 1999-12-29 Geoff Keating <geoffk@cygnus.com>
8780 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
8781 for va_list on AIX. Use unsigned_char_type_node rather than
8782 constructing our own version on svr4.
8784 1999-12-17 Geoff Keating <geoffk@cygnus.com>
8786 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
8787 since patently it's not.
8789 1999-12-08 Geoff Keating <geoffk@cygnus.com>
8791 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
8792 define_expand/define_insn pair, and handle restore of the
8793 SVR4 -fpic register.
8795 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
8797 * acconfig.h (HAVE_GAS_WEAK): New define.
8798 * configure.in (assembler weak support): Check for .weak support.
8799 * config.in, configure: Rebuilt.
8800 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
8801 HAVE_GAS_WEAK is defined.
8803 2000-03-15 Nick Clifton <nickc@cygnus.com>
8805 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
8808 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
8810 * cppfiles.c (open_include_file): New function.
8811 (find_include_file, cpp_read_file): Use it.
8813 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8815 * cpphash.c (dump_hash_helper): Take the slot, not the element.
8817 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
8819 * flow.c (verify_flow_info): Check for unconditional return.
8821 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
8823 * config/ia64/ia64.md (restore_stack_nonlocal): New.
8824 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
8825 (__ia64_restore_stack_nonlocal): New.
8826 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
8828 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8830 * cpphash.c (collect_formal_parameters): Do not complain about
8831 parameter names that just start with `__VA_ARGS__'.
8833 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
8835 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
8836 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
8837 * i386.c (pentiumpro_cost): Set mul cost to 4.
8838 (x86_use_movx): Set for PPro.
8840 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
8842 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
8843 STACK_BOUNDARY for empty frames now.
8845 2000-03-14 Mark Mitchell <mark@codesourcery.com>
8847 * stor-layout.c (layout_union): Remove.
8848 (layout_union_field): New function, split out from layout_union.
8849 (finish_union_layout): Likewise.
8850 (layout_field): Handle unions by calling layout_union_field.
8851 (finish_record_layout): Handle unions.
8852 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
8853 QUAL_UNION_TYPE handling.
8855 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
8857 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
8858 end of basic block is jump_insn, not barrier; use create_basic_block
8859 instead of creating basic block by hand.
8861 2000-03-14 Jason Eckhardt <jle@cygnus.com>
8863 * flow.c (reorder_basic_blocks): Account for barriers when writing
8864 over NEXT_INSN (last_bb->end).
8865 (verify_flow_info): Add check for missing barriers.
8867 2000-03-14 Greg McGary <gkm@gnu.org>
8869 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
8870 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
8871 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
8872 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
8873 __unbounded, __unbounded__): New keywords.
8874 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
8875 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
8876 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
8878 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
8880 * cselib.h: New file.
8881 * alias.c: Include "cselib.h".
8882 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
8883 MEMs as two new arguments.
8884 (get_addr): New static function.
8885 (find_base_term): Handle VALUEs.
8886 (memrefs_conflict_p): Likewise.
8887 (true_dependence): Call get_addr on the addresses.
8888 Call fixed_scalar_and_varying_struct_p with addresses that have been
8889 passed through get_addr and canon_rtx.
8890 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
8891 with true_dependence.
8892 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
8893 * loop.c: Include "cselib.h".
8894 (load_mems): Process extended basic block that enters the loop with
8895 cselib. Use that information to change initialization of the shadow
8896 register so that a constant equivalence is seen by later passes.
8897 * reload1.c: Include "cselib.h".
8898 (reload_cse_invalidate_regno): Delete function.
8899 (reload_cse_mem_conflict_p): Likewise.
8900 (reload_cse_invalidate_mem): Likewise.
8901 (reload_cse_invalidate_rtx): Likewise.
8902 (reload_cse_regno_equal_p): Likewise.
8903 (reload_cse_check_clobber): Likewise.
8904 (reload_cse_record_set): Likewise.
8905 (reg_values): Delete static variable.
8906 (invalidate_regno_rtx): Likewise.
8907 (reload_cse_delete_noop_set): New static function.
8908 (reload_cse_simplify): New static function, broken out of
8910 (reload_cse_noop_set_p): Delete unused argument INSN.
8911 Just call rtx_equal_for_cselib_p on set source and destination.
8912 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
8913 reload_cse_delete_noop_set. Delete code to keep track of values; use
8914 cselib functions instead. Delete code to push/pop obstacks.
8915 (reload_cse_simplify_set): Use cselib to find equivalent values.
8916 Delete code to push/pop obstacks.
8917 (reload_cse_simplify_operands): Likewise.
8918 * rtl.def (VALUE): New rtx code.
8919 * rtl.h (union rtunion_def): New elt rt_cselib.
8920 (X0CSELIB, CSELIB_VAL_PTR): New macros.
8921 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
8922 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
8923 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
8924 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
8925 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
8926 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
8927 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
8928 cselib_record_set, cselib_record_sets): New static functions.
8929 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
8930 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
8931 references_value_p): New functions.
8932 (MAX_USELESS_VALUES, REG_VALUES): New macros.
8933 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
8934 n_useless_values, reg_values, callmem, cselib_obstack,
8935 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
8936 New static variables.
8937 * varray.h (union varray_data_tag): New elt te.
8938 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
8939 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
8942 2000-03-14 Nick Clifton <nickc@cygnus.com>
8944 * gcc.c (do_spec_1): Catch the case where %* is used in a
8945 substitution pattern, but it has not been initialised.
8946 Issue a meaningful error message if an unrecognised operator
8947 is encountered in a spec string.
8949 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
8951 * function.c (prepare_function_start): Correctly initialize
8952 cfun->stack_alignment_needed.
8954 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
8956 * cppfiles.c (find_include_file): Don't assume nshort is a
8959 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
8961 * configure.in (hppa configurations): Add pa32-regs.h to the
8962 list of tm files as appropriate.
8963 * configure: Rebuilt.
8964 * pa.c (compute_frame_size): Remove explicit knowledge about FP
8966 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
8967 (fmpyaddoperands, fmpysuboperands): Likewise.
8968 * pa.h: Remove various definitions which depend on knowing
8969 how registers are numbered.
8970 * pa32-regs.h: New file with PA32 register numbering specific
8973 2000-03-14 Richard Henderson <rth@cygnus.com>
8975 * regmove.c (combine_stack_adjustments): New.
8976 (stack_memref_p, single_set_for_csa): New.
8977 (free_csa_memlist, record_one_stack_memref): New.
8978 (try_apply_stack_adjustment): New.
8979 (combine_stack_adjustments_for_block): New.
8980 * rtl.h (combine_stack_adjustments): Declare.
8981 * toplev.c (rest_of_compilation): Call it.
8983 * i386.md: Revert 2000-01-16 change.
8985 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8987 * gccbug.in: Add web category, gcc specific classes.
8989 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
8991 * stor-layout.c (finalize_record_size): Fix typo.
8993 2000-03-14 Stan Shebs <shebs@apple.com>
8995 * c-typeck.c (c_alignof): Error on incomplete types.
8996 * extend.texi (Alignment): Document this.
8998 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9000 * cppfiles.c: Include mkdeps.h.
9001 (find_include_file, read_include_file): Remove _cpp_ prefix
9002 from name, make static.
9003 (_cpp_execute_include): New function, broken out of
9006 * cpplib.c: Don't include mkdeps.h.
9007 (struct directive): Remove type field. Reorder entries. The
9008 function takes only one argument.
9009 (struct if_stack): Make type field an int.
9010 (directive_table): Rename to dtable. Generate it, the
9011 prototypes of the directive handlers, and the enum for the
9012 directive numbers, from a template macro.
9013 (do_ifndef, do_include_next, do_import): New functions.
9014 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9015 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9016 do_ident, do_assert, do_unassert, do_sccs): Take only one
9018 (do_sccs): Define always, but alter behavior based on
9020 (_cpp_handle_directive, consider_directive_while_skipping):
9021 Restructure for new directive table layout.
9023 (pass_thru_directive): Take a directive number, not a pointer
9024 to a struct directive.
9025 (parse_include): New function, broken out of do_include.
9026 (do_include, do_import, do_include_next): Use parse_include
9027 and _cpp_execute_include.
9028 (do_elif, do_else): Test for T_ELSE specifically when checking
9029 for #elif/#else after #else.
9030 (parse_ifdef): New function, broken out of do_ifdef.
9031 (validate_else): Expect a name arg without a leading #.
9032 (if_directive_name): Delete.
9033 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9034 directive handlers with only one argument.
9036 * cpphash.h: Update prototypes.
9037 (enum node_type): Remove entries for directives.
9038 * Makefile.in: Update dependencies.
9040 * cpphash.c (dump_hash_helper): Only dump nodes of type
9041 T_MACRO. Emit a newline after each definition.
9043 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9045 * gccbug.in: New file.
9046 * configure.in (all_outputs): Add gccbug.
9047 * Makefile.in (install-common): Install gccbug.
9048 (GCCBUG_INSTALL_NAME): New variable.
9049 * configure: Rebuilt.
9051 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9053 * function.c (put_var_into_stack): Use type_for_mode to calculate
9054 part_type. Use MEM_SET_IN_STRUCT_P.
9055 * expr.c (store_field): Handle CONCAT.
9056 (store_constructor): Use fields_length.
9057 * tree.c (fields_length): New fn.
9058 * tree.h: Declare it.
9060 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9062 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9063 (cpplex.o): New target.
9064 * po/POTFILES.in: Add cpplex.c.
9066 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9067 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9068 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9069 skip_block_comment, skip_line_comment, skip_comment,
9070 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9071 _cpp_parse_name, skip_string, parse_string,
9072 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9073 _cpp_get_directive_token, find_position,
9074 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9075 (maybe_macroexpand, _cpp_lex_token): New functions.
9077 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9078 parse_goto_mark): Delete.
9079 (_cpp_handle_eof): New function.
9080 (_cpp_handle_directive): Rename from handle_directive.
9081 (_cpp_output_line_command): Rename from output_line_command.
9082 (do_if, do_elif): Call _cpp_parse_expr directly.
9083 * cppfiles.c (_cpp_read_include_file): Don't call
9084 init_input_buffer here.
9085 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9086 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9087 here; pop the token_buffer and skip the rest of the line here.
9088 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9091 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9093 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9094 CPP_GOTO_MARK): New macros.
9095 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9096 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9097 _cpp_read_and_prescan, _cpp_init_input_buffer,
9098 _cpp_grow_token_buffer, _cpp_get_directive_token,
9099 _cpp_handle_directive, _cpp_handle_eof,
9100 _cpp_output_line_command): Prototype them here.
9101 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9102 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9103 quote_string, output_line_command): Remove.
9105 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9107 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9108 whether it is too large we must also verify that it isn't negative.
9110 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9112 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9113 (movsi_zero_liveg0): Remove.
9114 (movsf_insn_novis_liveg0): Remove.
9116 (negsi2_not_liveg0): Rename to negsi2.
9117 (one_cmplsi2): Remove.
9118 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9119 (one_cmplsi2_liveg0): Remove.
9120 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9121 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9122 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9123 (PREDICATE_CODES): Remove zero_operand.
9124 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9125 TARGET_BROKEN_SAVERESTORE.
9126 (zero_operand): Remove.
9127 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9128 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9130 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9131 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9132 TARGET_BROKEN_SAVERESTORE): Remove.
9133 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9135 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9137 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9140 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9142 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9144 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9145 truncating a string. Don't assume tokens are nul terminated.
9146 Problem noted by Andreas Jaeger <aj@suse.de>
9148 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9150 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9151 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9152 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9154 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9156 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9157 STRUCTURE_SIZE_BOUNDARY.
9159 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9161 * tree.h (record_layout_info_s): New structure.
9162 (record_layout_info): New type.
9163 (new_record_layout_info): New function.
9164 (layout_field): Likewise.
9165 (finish_record_layout): Likewise.
9166 * stor-layout.c (layout_record): Remove.
9167 (new_record_layout_info): New function.
9168 (layout_field): New function, broken out from layout_record.
9169 (finalize_record_size): Likewise.
9170 (compute_record_mode): Likewise.
9171 (finalize_type_size): New function, broken out from layout_type.
9172 (finish_record_layout): Likewise.
9173 (layout_type): Use them.
9175 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9177 * cpphash.c: Don't include version.h.
9178 (special_symbol) [case T_VERSION]: Look for the string in
9179 hp->value.cpval; don't use version_string.
9180 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9181 __VERSION__ to version_string.
9182 * Makefile.in (cpphash.o): Update deps.
9184 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9186 Convert cpplib to use libiberty/hashtab.c.
9188 * cpplib.h (struct cpp_reader): Make hashtab and
9189 all_include_files of type 'struct htab *'. Delete HASHSIZE
9190 and ALL_INCLUDE_HASHSIZE macros.
9192 * cpphash.h: Update prototypes.
9193 (struct hashnode): Remove next, prev, and bucket_hdr members.
9194 Make length a size_t. Add hash member.
9195 (struct ihash): Remove next member. Add hash member. Make
9196 name a flexible array member.
9198 * cppfiles.c: Include hashtab.h.
9199 (include_hash): Delete.
9200 (IHASHSIZE): New macro.
9201 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9202 (cpp_included): Do the hash lookup here.
9203 (_cpp_find_include_file): Rewrite.
9204 (cpp_read_file): Put the "fake" hash entry into the hash
9205 table. Honor the control_macro, if it turns out we've seen
9206 the file before. Don't push the buffer here.
9207 (_cpp_read_include_file): Push the buffer here.
9208 (OMODES): New macro. Use it whenever we call open(2).
9210 * cpphash.c: Include hashtab.h.
9211 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9212 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9213 _cpp_lookup_slot): New functions.
9214 (HASHSIZE): new macro.
9215 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9216 (_cpp_lookup): Use hashtab.h routines.
9218 * cppinit.c: Include hashtab.h.
9219 (cpp_reader_init): Call _cpp_init_macro_hash and
9220 _cpp_init_include_hash. Don't allocate hashtab directly.
9221 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9222 pfile->all_include_files.
9223 (initialize_builtins): Use _cpp_make_hashnode and
9224 htab_find_slot to add hash entries.
9225 (cpp_finish): Just call _cpp_dump_macro_hash.
9226 * cpplib.c: Include hashtab.h.
9227 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9228 create hash entries.
9229 (do_pragma_poison, do_assert): Likewise.
9230 (do_include): Don't push the buffer here. Don't increment
9231 system_include_depth unless _cpp_read_include_file succeeds.
9232 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9234 (do_pragma_implementation): Use alloca to create copy.
9236 * Makefile.in: Update dependencies.
9238 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9240 * cppinit.c (cl_directive_handler): More K&R fixing.
9242 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9244 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9246 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9248 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9250 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9251 Change from char[] to macros.
9253 2000-03-12 Neil Booth <NeilB@earthling.net>
9255 * cppinit.c (cpp_start_read): Update indirect function
9258 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9260 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9263 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9264 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9266 2000-03-11 Neil Booth <NeilB@earthling.net>
9268 * cppinit.c (struct pending option): Replace undef with a
9269 pointer to a directive handling routine.
9270 (struct cpp_pending): Replace separate assert_ and define_
9271 lists with one directive_ list.
9272 (new_pending_define): Rename new_pending_directive. Extra
9273 argument is the directive's handling routine.
9274 (handle_option): Update to use new_pending_directive.
9276 2000-03-11 Neil Booth <NeilB@earthling.net>
9278 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9279 remap_filename, _cpp_read_include_file, actual_directory,
9280 hack_vms_include_specification): Replace bcopy(), index() etc
9281 calls. Add casts to some allocations. Make some variables
9282 pointers to const [unsigned] char.
9283 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9284 collect_formal_parameters): Similarly.
9285 * cppinit.c (struct pending_option, append_include_chain,
9286 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9287 cpp_start_read, new_pending_define, handle_option): Similarly.
9288 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9289 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9290 do_pragma_implementation, detect_if_not_defined,
9291 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9292 do_assert, do_unassert): Similarly.
9293 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9294 function prototypes.
9295 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9297 2000-03-10 Richard Henderson <rth@cygnus.com>
9299 * builtins.c (expand_builtin_strlen): Revert last change.
9300 Use emit_insn_before if we're at the beginning of a sequence.
9302 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9304 * builtins.c (expand_builtin_strlen): Make sure that we have something
9305 at the beginning of the sequence.
9307 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9310 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9312 2000-03-10 Richard Henderson <rth@cygnus.com>
9314 * except.c (can_throw): Use INTVAL on a CONST_INT.
9315 (reachable_handlers): Likewise.
9316 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9318 2000-03-10 Andreas Jaeger <aj@suse.de>
9320 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9321 MD_STARTFILE_PREFIX since those are not needed on linux.
9322 (ASM_FILE_START): New, from mips/gnu.h.
9324 2000-03-09 Richard Henderson <rth@cygnus.com>
9325 Alex Samuel <samuel@codesourcery.com> and others
9327 * Makefile.in (ssa.o): New rule.
9329 (STAGESTUFF): Add *.ssa and *.ussa.
9330 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9331 * rtl.def (PHI): New RTL expression.
9332 * rtl.h (clear_log_links): New declaration.
9333 (convert_to_ssa): Likewise.
9334 (convert_from_ssa): Likewise.
9335 * flow.c (split_edge): If the entry node falls through to the
9336 split edge's source block, split the entry edge.
9337 (clear_log_links): New function.
9338 * toplev.c (ssa_dump): New variable.
9339 (flag_ssa): Likewise.
9340 (f_options): Add "ssa".
9341 (compile_file): Create SSA dump files.
9342 (rest_of_compilation): Go to and from SSA if enabled.
9343 (decide_d_option): Handle -de for SSA dump files.
9346 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9348 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9351 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9353 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9355 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9357 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9358 (MD_STARTFILE_PREFIX_1): New macro.
9360 2000-03-09 Robert Lipe <robertl@sco.com>
9362 * config/ia64/ia64.c: Include system.h.
9364 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9366 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9367 (init_eh_nesting_info): Likewise.
9369 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9370 (TREE_NOTHROW): Rename from TREE_RAISES.
9371 * toplev.c (rest_of_compilation): Set it.
9372 * print-tree.c (print_node): Adjust.
9373 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9374 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9375 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9376 REG_EH_REGION note as appropriate.
9377 (libfunc_nothrow): New fn.
9378 (emit_library_call, emit_library_call_value): Use it.
9379 (expand_call): Check TREE_NOTHROW.
9381 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9382 DECL_ASSEMBLER_NAME.
9384 2000-03-09 Andreas Jaeger <aj@suse.de>
9386 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9387 (TARGET_MEM_FUNCTIONS): Define.
9389 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9391 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9393 * except.c (can_throw): See through a SEQUENCE.
9394 (nothrow_function_p): New fn.
9395 * except.h: Declare it.
9396 * function.c (current_function_nothrow): New var.
9397 (prepare_function_start): Initialize it.
9398 * output.h: Declare it.
9399 * toplev.c (rest_of_compilation): Set it.
9400 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9402 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9404 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9405 match. (cpp_compare_defs): Count the nul separator when
9406 advancing over argument names.
9408 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9410 * recog.c (preprocess_constraints): Matching constraints affect
9411 same alternative/different operand, not same operand/different
9414 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9415 register and a constant specially.
9417 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9419 * libgcc2.h: New file.
9420 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9422 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9424 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9425 * configure: Regenerate.
9428 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9430 * Makefile.in (LIBCPP_DEPS): New macro.
9431 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9433 * cpperror.c: Include cpphash.h.
9434 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9436 (lex): Don't use CPP_WARN_UNDEF.
9437 (_cpp_parse_expr): Return an int, the truth value.
9438 * cppfiles.c: Include cpphash.h.
9439 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9440 * cppinit.c (include_defaults_array): Disentangle.
9441 (cpp_cleanup): Don't free the if stack here.
9442 (cpp_finish): Pop off all buffers, not just one.
9443 * cpplib.c (eval_if_expr): Return int.
9444 (do_xifdef): Rename do_ifdef.
9445 (handle_directive): Don't use CPP_PREPROCESSED.
9446 (cpp_get_token): Don't use CPP_C89.
9447 * fix-header.c: Don't use CPP_OPTIONS.
9449 * cpplib.h: Move U_CHAR, enum node_type, struct
9450 file_name_list, struct ihash, is_idchar, is_idstart,
9451 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9452 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9453 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9454 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9455 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9456 of _cpp_simplify_pathname, _cpp_find_include_file,
9457 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9458 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9460 Change all uses of U_CHAR to be unsigned char instead.
9461 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9463 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9465 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9466 (dwarf2out_begin_prologue): Set it.
9467 (output_call_frame_info): Don't emit EH unwind info for leaves.
9469 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9470 can occur outside of an EH region.
9471 * except.c: Correct comments about rethrow behavior.
9472 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9474 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9476 * flow.c (make_edges): Always call make_eh_edge for calls.
9478 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9480 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9481 (struct cpp_buffer): Remove fname and underflow fields.
9482 (struct cpp_reader): Remove get_token field.
9483 (struct include_hash): Rename to struct ihash. Add typedef to
9485 (struct if_stack): Remove fname field.
9486 (IF_STACK_FRAME): Rename to IF_STACK.
9488 * cpperror.c (print_containing_files): Trust that there are no
9489 macro buffers below the top file buffer.
9490 * cppfiles.c: Replace all references to 'struct include_hash'
9491 with 'IHASH'. Rename initialize_input_buffer to
9492 init_input_buffer. Don't set or reference cpp_buffer->fname,
9493 use buffer->ihash->name instead.
9494 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9495 not CPP_NULL_BUFFER.
9496 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9497 IF_STACK_FRAME, IHASH not struct include_hash.
9498 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9499 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9500 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9501 references to cpp_buffer->fname (delete entirely, or use
9502 ->ihash->name instead) and IF_STACK->fname.
9503 (cpp_push_buffer): Don't set new->underflow.
9504 (do_include): Use cpp_file_buffer.
9506 * cpphash.c (collect_formal_parameters): Remove duplicate
9507 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9508 used as a macro argument name. Don't append "..." to namebuf
9509 for varargs macros. After we're done scanning, go through
9510 namebuf and make it NUL separated, not comma separated.
9511 (_cpp_compare_defs): Remove register tag from variables.
9512 Expect defn->argnames to be NUL separated.
9513 (_cpp_dump_definition): Expect defn->argnames to be NUL
9514 separated and in forward order.
9515 * cpphash.h: Update documentation of argnames field.
9517 2000-03-08 Richard Henderson <rth@cygnus.com>
9519 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9520 to fail. Don't pre-expand the source operand.
9522 * i386.md (strlensi): Initialize eoschar and align before use.
9524 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9526 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9527 CONSTRUCTOR element.
9529 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9531 * mips.c (mips_expand_prologue): If the last
9532 named argument is the vararg marker "va_list", treat it as
9533 an unnamed argument.
9535 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9537 * dbxout.c (dbxout_parms): When correcting for promoted
9538 big-endian parameters, use the mode of the DECL_RTL rather
9539 than UNITS_PER_WORD.
9541 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9543 * c-common.h (make_fname_decl): Declare.
9544 * c-common.c (make_fname_decl): Define.
9545 (declare_hidden_char_array): Remove.
9546 (declare_function_name): Use make_fname_decl.
9547 * c-decl.c (c_make_fname_decl): New function.
9548 (init_decl_processing): Set make_fname_decl.
9550 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9552 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9554 2000-03-07 Philipp Thomas <pthomas@suse.de>
9556 * po/POTFILES.in: Remove cppalloc.c from file list.
9558 2000-03-07 Steve Chamberlain <sac@pobox.com>
9560 * pj.c (pj_expand_prologue): current_function->args_info is
9561 now current_function_args_info.
9563 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9564 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9565 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9567 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9569 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9570 output as hexadecimal rather than the default octal.
9572 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9574 * cpphash.c (special_symbol): Fix thinko in previous commit.
9576 2000-03-07 Neil Booth <NeilB@earthling.net>
9578 * cppexp.c (struct operation, left_shift, right_shift,
9579 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9580 "int"s to "unsigned int"s.
9581 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9583 * cpplib.h: Update for above.
9584 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9585 returned from allocations.
9587 * cppinit.c (opt_comp, parse_options): New functions.
9588 (handle_option): Use parse_option to parse a single command
9589 line option, that possibly takes an argument.
9590 (cpp_handle_options): Sort the array of command line options on
9591 first invocation (non-ASCII hosts only).
9592 (print_help): Update.
9594 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9596 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9597 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9599 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9601 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9603 * cpperror.c (cpp_print_containing_files,
9604 cpp_print_file_and_line, v_cpp_message): Rename to
9605 print_containing_files, print_file_and_line, and v_message.
9606 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9607 to _cpp_parse_expr, parse_escape, and lex.
9608 (parse_charconst): Remove broken multibyte support.
9609 * cppfiles.c (include_hash): Make static.
9610 (cpp_included): New function.
9611 (merge_include_chains, find_include_file, finclude,
9612 simplify_pathname): Rename to _cpp_merge_include_chains,
9613 _cpp_find_include_file, _cpp_read_include_file, and
9614 _cpp_simplify_pathname.
9615 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9616 cpp_install, create_definition, macroexpand, compare_defs,
9617 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9618 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9619 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9620 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9622 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9624 * cpphash.h: Update prototypes.
9625 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9627 2000-03-07 Andrew Haley <aph@cygnus.com>
9629 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9630 PTRDIFF_TYPE should be based solely on Pmode.
9633 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9635 * rtl.h (rtunion_def): Constify member `rtstr'.
9636 (emit_line_note_after, emit_line_note, emit_line_note_force,
9637 emit_note, decode_asm_operands): Constify.
9639 * cse.c (canon_hash): Likewise.
9641 * dbxout.c (dbxout_block): Likewise.
9643 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9644 v_warning_for_asm): Likewise.
9646 * dwarfout.c (function_start_label): Likewise.
9648 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9649 emit_line_note_force): Likewise.
9651 * final.c (last_filename, asm_insn_count, final_scan_insn,
9652 output_source_line): Likewise.
9654 * function.h (struct emit_status): Likewise.
9656 * gcse.c (hash_expr_1): Likewise.
9658 * genattr.c (gen_attr, main): Likewise.
9660 * genattrtab.c (struct function_unit, current_alternative_string,
9661 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9662 attr_numeral, check_attr_test, check_attr_value,
9663 convert_set_attr_alternative, convert_set_attr,
9664 compute_alternative_mask, simplify_by_exploding, gen_attr,
9665 gen_unit): Likewise.
9667 * genflags.c (gen_insn): Likewise.
9669 * gengenrtl.c (type_from_format): Likewise.
9671 * genopinit.c (gen_insn): Likewise.
9673 * genoutput.c (n_occurrences, process_template, process_template):
9676 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9679 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9682 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9683 ggc_set_mark, ggc_get_size): Likewise.
9685 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9687 * optabs.c (init_one_libfunc): Likewise.
9689 * output.h (assemble_start_function): Likewise.
9691 * recog.c (decode_asm_operands): Likewise.
9693 * toplev.c (rest_of_compilation): Likewise.
9695 * tree.h (emit_line_note_after, emit_line_note,
9696 emit_line_note_force): Likewise.
9698 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9699 asm_emit_uninitialised, assemble_start_function,
9700 assemble_variable, const_hash, compare_constant_1,
9701 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9703 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9705 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9707 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9709 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9711 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9712 arm_dllimport_name_p): Likewise.
9714 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9717 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9719 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9721 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9722 arm_mark_dllexport, arm_mark_dllimport,
9723 arm_pe_encode_section_info): Likewise.
9725 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9726 ASM_FINISH_DECLARE_OBJECT): Likewise.
9728 * arm/thumb.c (thumb_function_prologue): Likewise.
9730 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9732 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9734 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9736 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9738 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9740 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9742 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9743 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9745 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9747 * i386/i386.c (asm_output_function_prefix): Likewise.
9749 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9751 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9753 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9755 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9756 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9757 ASM_OUTPUT_SECTION_NAME): Likewise.
9759 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9761 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9763 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
9765 * m32r/m32r.c (m32r_encode_section_info): Likewise.
9767 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9769 * mcore/mcore.c (mcore_encode_section_info): Likewise.
9771 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9773 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9775 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9777 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
9779 * mips/mips.md (movdi, movsi): Likewise.
9781 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9783 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9785 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9787 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9788 ASM_OUTPUT_ASCII): Likewise.
9790 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
9791 output_mi_thunk, output_toc): Likewise.
9793 * rs6000/rs6000.md (movsi): Likewise.
9795 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9797 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
9799 * v850/v850.c (print_operand, print_operand_address,
9800 v850_encode_data_area): Likewise.
9802 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
9804 * config/mips/mips.md (zero_extendsidi2): Always force operand
9805 one to memory for mips16.
9807 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9809 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
9810 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
9811 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
9812 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
9813 (min_precision): Result is unsigned.
9814 (add_double, neg_double, mul_double): Low word is unsigned.
9815 (lshift_double, rshift_double, lrotate_double): Likewise.
9816 (rrotate_double, div_and_round_double): Likewise.
9817 (tree_floor_log2, compare_tree_int): New functions.
9818 (preserve_rtl_expr_temps): New declaration.
9819 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
9820 (decl_attributes): Use tree_log2 to find alignment.
9821 Check for TREE_INT_CST_HIGH for format args.
9822 (min_precision): Now unsigned.
9823 Use tree_floor_log2.
9824 (truthvalue_conversion): Delete long-disabled code.
9825 * c-decl.c (finish_struct): Clean up tests on field width.
9826 (finish_function): Use compare_tree_int.
9827 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
9828 * c-typeck.c (comptypes): Use tree_int_cst_equal.
9829 (default_conversion, digest_init): Use compare_tree_int.
9830 (build_binary_op): Use integer_all_onesp and compare_tree_int.
9831 Fix type errors in forming masks.
9832 * calls.c (initialize_argument_information): Use compare_tree_int.
9833 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9834 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
9835 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
9836 (store_field): Use compare_tree_int.
9837 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
9838 (expand_expr, case ARRAY_REF): Use compare_tree_int.
9839 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
9840 (do_store_flag): Use compare_tree_int.
9841 * fold-const.c (encode, decode): Low part is always unsigned.
9842 (force_fit_type, add_double, neg_double, mul_double): Likewise.
9843 (lshift_double, rshift_double, lrotate_double): Likewise.
9844 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
9845 (fold_convert): Use compare_tree_int.
9846 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
9847 (invert_truthvalue, case INTEGER_CST): Likewise.
9848 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
9849 * mkdeps.c (deps_dummy_targets): Make I unsigned.
9850 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
9851 (lshift_double, rshift_double, lrotate_double, rrotate_double):
9853 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
9854 (expand_end_case): Use compare_tree_int.
9855 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
9856 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
9857 (layout_decl): Likewise.
9858 (layout_record, layout_union): Make sizes unsigned.
9859 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
9860 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
9861 * tree.c (struct type_hash): hashcode is unsigned.
9862 (build_type_attribute_variant, type_hash_list): Likewise.
9863 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
9864 (attribute_hash_list, build_array_type, build_method_type): Likewise.
9865 (build_complex_type): Likewise.
9866 (real_value_from_int_cst): Remove unneeded casts.
9867 (integer_all_onesp): Add casts.
9868 (tree_floor_log2, compare_tree_int): New functions.
9869 (build_index_type): Use tree_int_cst_sgn.
9870 * varasm.c (assemble_variable): Use compare_tree_int.
9872 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
9874 * cpphash.c (collect_expansion): Also catch ## at start of macro.
9876 * varasm.c (make_decl_rtl): Don't add a number to members of
9878 (make_function_rtl): Likewise.
9880 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9882 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
9883 patch from 2000-01-28.
9885 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
9887 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
9888 filled with an insn from the jump target.
9890 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9892 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
9893 (c4x_external_ref): Likewise.
9894 * config/c4x/c4x.c (struct name_list): Likewise.
9896 1999-12-16 Ben Collins <bcollins@debian.org>
9898 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
9899 argument to genmultilib.
9900 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
9901 the contents into the multilib.h header.
9902 * gcc.c: Declare multilib_exclusions for the specs file.
9903 (set_multilib_dir): Use it.
9904 (print_multilib_info): Likewise.
9905 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
9906 to pass to genmultilib.
9908 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9910 * builtins.c (built_in_class_names, built_in_names): Constify a
9913 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
9915 (_mcleanup): Ensure value matches format specifier in sprintf.
9917 * cpphash.c (special_symbol): Don't needlessly cast away
9920 * cppinit.c (base_name): Delete unused prototype.
9922 * mkdeps.c (deps_init): Make definition K&R safe.
9924 * tree.h (built_in_class_names, built_in_names): Constify a
9927 2000-03-06 Jakub Jelinek <jakub@redhat.com>
9929 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
9930 floating point instructions for epilogue delay.
9932 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
9933 to gas if it supports .register pseudo.
9935 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
9936 LONG_DOUBLE_TYPE_SIZE if not defined.
9937 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
9938 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
9940 * gengenrtl.c: Likewise.
9941 * print-rtl.c: Likewise.
9943 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
9944 MASK_LONG_DOUBLE_128.
9945 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
9946 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
9947 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
9948 (SUBTARGET_SWITCHES): Define.
9949 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
9950 with -mlong-double-128.
9951 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9952 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9953 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9954 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
9955 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
9956 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
9957 with -mlong-double-128.
9958 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
9959 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
9960 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
9961 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
9962 TARGET_LONG_DOUBLE_128): Define.
9963 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
9964 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
9965 long double on TARGET_ARCH64.
9967 2000-03-06 Mark Mitchell <mark@codesourcery.com>
9969 * function.c (free_temps_for_rtl_expr): Don't free slots
9970 that have been pushed into a higher level.
9973 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9975 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9977 * basic-block.h (ALLOCA_REG_SET): Remove.
9978 (INITIALIZE_REG_SET): New macro.
9979 * flow.c (update_life_info): Use it.
9980 (calculate_global_regs_live): Likewise.
9981 (propagate_block): Likewise.
9982 * global.c (build_insn_chain): Likewise.
9983 * haifa-sched.c (schedule_region): Likewise.
9985 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
9987 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
9988 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
9989 (DWARF_ARANGES_PAD_SIZE): New define.
9990 (output_aranges): Use it to pad the address range header.
9991 (DWARF_ROUND): Fix for non power of 2 rounding.
9993 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
9995 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
9997 2000-03-05 Mark Mitchell <mark@codesourcery.com>
9999 * tree.def (RTL_EXPR): Update documentation.
10000 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10001 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10002 * function.c (preserve_rtl_expr_temp): New function.
10003 (preserve_rtl_expr_temps): Likewise.
10004 (preserve_rtl_expr_result): Use it.
10007 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10009 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10011 * regmove.c (copy_src_to_dest) Do not create src->dest move
10012 for unchanging destination.
10014 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10016 * function.h (struct sequence_stack): Remove rtl_expr.
10017 (struct emit_staus): Likewise.
10018 (seq_rtl_expr): Remove.
10019 * tree.h (free_temps_for_rtl_expr): Don't declare.
10020 (start_sequence_for_rtl_expr): Likewise.
10021 * rtl.h (preserve_rtl_expr_result): Likewise.
10022 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10023 (start_sequence_for_rtl_expr): Remove.
10024 (push_topmost_sequence): Don't save sequence_rtl_expr.
10025 (pop_topmost_sequence): Remove comment about not restoring it.
10026 (end_sequence): Don't set seq_rtl_expr.
10027 (init_emit): Don't initialize it.
10028 (mark_sequence_stack): Don't mark it.
10029 (mark_emit_status): Likewise.
10030 * except.c (protect_with_terminate): Use
10031 start_sequence_for_rtl_expr, not start_sequence.
10032 * expr.c (expand_expr, case RTL_EXPR): Don't call
10033 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10034 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10035 (preserve_rtl_expr_result): Remove.
10036 (free_temps_for_rtl_expr): Likewise.
10037 (pop_temp_slots): Likewise.
10038 (mark_temp_slot): Don't mark the rtl_expr.
10039 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10040 start_sequence_for_rtl_expr.
10042 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10044 * mkdeps.c, mkdeps.h: New files.
10045 * po/POTFILES.in: Add them.
10046 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10047 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10048 (mkdeps.o): New target.
10050 * cppfiles.c: Delete deps_output.
10051 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10052 OBJECT_SUFFIX, and base_name.
10053 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10055 (initialize_dependency_output): Use deps_init,
10056 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10057 all the unnecessary string bashing.
10058 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10060 * cpplib.c (do_include): Use deps_add_dep.
10061 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10062 deps_allocated_size, deps_size, deps_column members with
10063 single pointer to a struct deps. Delete prototype of
10066 * cppinit.c: Fix thinko in previous patch.
10068 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10070 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10071 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10072 (mode_for_size_tree): New function.
10073 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10074 * tree.h (mode_for_size_tree): New declaration.
10076 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10078 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10080 * stmt.c (is_body_block): Move...
10081 * dwarfout.c, dwarf2out.c: ...from here.
10082 * tree.h: Declare it.
10083 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10084 * final.c (final_start_function): Do call remove_unnecessary_notes
10087 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10089 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10091 * cpplib.h (_dollar_ok): New macro.
10092 (is_idchar, is_idstart): Use it.
10093 (IStable): Rename to _cpp_IStable. Declare it const if
10094 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10095 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10096 is_space): Update for renamed IStable.
10098 * cppinit.c: Delete all references to FAKE_CONST and CAT
10099 macros. Define init_IStable as empty macro if gcc >=2.7 or
10100 C99. Change TABLE() to ISTABLE and hardcode name of table.
10101 (cpp_start_read): Don't change the IStable based on
10104 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10105 changed. Handle '$' for char1 correctly.
10106 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10108 * cppexp.c (tokentab2): Make const.
10109 (cpp_lex): Make toktab const.
10110 * cppinit.c (include_defaults_array): Make const.
10111 (initialize_standard_includes): Make default_include const.
10113 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10115 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10116 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10117 (gen_decl_die): Likewise.
10118 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10119 (output_decl): Likewise.
10121 * varasm.c (make_function_rtl): If we change the name used in the
10122 rtl, update DECL_ASSEMBLER_NAME accordingly.
10123 (make_decl_rtl): Likewise.
10125 * toplev.c (rest_of_compilation): Tweak formatting.
10127 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10128 remove_unnecessary_notes.
10129 (debug_ignore_block): New fn.
10130 * toplev.h: Declare it.
10131 * emit-rtl.c (remove_unncessary_notes): Call it.
10132 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10133 * dwarf2out.h: Declare it.
10134 * final.c (final_start_function): Don't call remove_unnecessary_notes
10135 if we did insn scheduling.
10137 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10139 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10140 * cpplib.h: Delete SET_CPP_PEDANTIC.
10142 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10144 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10145 result is a RECORD_TYPE.
10147 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10149 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10151 2000-03-03 Richard Henderson <rth@cygnus.com>
10153 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10154 addition over compliments over shifts.
10156 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10158 * reload1.c (reload_combine_note_use): Handle return register USEs.
10159 REG case: Handle multi-hard-register hard regs.
10161 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10163 * md.texi: Document use of '*' in insn pattern name.
10165 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10167 * calls.c (special_function_p): operator new may not be malloc-like.
10169 * gcse.c (dump_hash_table): Really fix error in last change.
10171 2000-03-02 Denis Chertykov <denisc@overta.ru>
10173 * avr.c (print_operand): Use print_operand_address instead of
10175 * avr/libgcc.S: Cleanup code.
10177 2000-03-02 Richard Henderson <rth@cygnus.com>
10179 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10181 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10183 * tree.h (TYPE_ALIGN_UNIT): New macro.
10185 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10187 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10189 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10191 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10193 (SET_CPP_PEDANTIC): New macro.
10194 * cpplib.c (do_include): Don't bother checking system_header_p.
10195 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10196 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10198 * function.h (struct expr_status): Add x_arg_space_so_far.
10199 (arg_space_so_far): New macro.
10200 * expr.c (init_expr): Initialize it.
10201 * calls.c (emit_call_1): Reset it.
10202 (compute_argument_block_size, expand_call): Use it.
10203 (expand_call, store_one_arg): Increment it.
10205 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10207 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10210 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10212 * cppfiles.c (cpp_read_file): New function.
10214 * cpphash.c (collect_expansion): Make sure to reset last_token
10215 to NORM when we hit a string. Handle trailing whitespace
10216 properly when the expansion is empty.
10217 (create_definition): Disable line commands while parsing the
10219 (dump_definition): If pfile->lineno == 0, output a line
10220 command ahead of the dump, and add a trailing newline.
10222 * cppinit.c (append_include_chain): Add fifth argument, which
10223 indicates whether or not system headers are C++ aware.
10224 (initialize_standard_includes): New function,
10225 broken out of read_and_prescan. Pass 'cxx_aware' value from
10226 the include_defaults_array on to append_include_chain.
10227 (dump_special_to_buffer): Const-ify char array.
10228 (builtin_array): Don't dump __BASE_FILE__.
10229 (cpp_start_read): Use cpp_read_file. Reorder code for
10230 clarity. Don't output line commands here for -D/-A/-U
10231 switches. Don't call deps_output for files included with
10232 -include or -imacros.
10234 * cpplib.c (do_define): Don't pay any attention to the second
10236 (cpp_expand_to_buffer): Disable line commands while scanning.
10237 (output_line_command): Work in the file buffer.
10238 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10239 Fix formatting of comments. Prototype cpp_read_file.
10241 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10243 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10244 reference the language-equivalent of sizetype.
10245 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10246 * fold-const.c (size_binop, size_diffop): Put back checks.
10247 * gcse.c (dump_hash_table): Fix minor error in last change.
10248 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10249 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10252 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10254 * calls.c (expand_call) Do not attempt to combine stack adjustments
10255 with inhibit_defer_pop set.
10257 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10259 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10260 the DECL_SIZE for a FIELD_DECL.
10262 2000-03-01 Bruce Korb <bkorb@gnu.org>
10264 * fixinc/inclhack.tpl: remove unused symlinks
10265 * fixinc/README: GCC Maintainer info
10266 * fixinc/inclhack.sh: regen
10267 * fixinc/fixincl.sh: regen
10269 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10271 * cpphash.c (collect_expansion): Trim trailing white space
10272 from macro definitions, but don't go past the last insertion
10275 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10277 * i386.md (mulqi3): New pattern.
10279 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10281 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10283 (struct cpp_reader): Add parsing_if_directive and
10284 parsing_define_directive flags.
10285 (struct cpp_options): Remove output_conditionals flag.
10286 (check_macro_name): Delete prototype.
10288 * cpphash.h (struct macrodef): Delete.
10289 (struct reflist): Separate from struct definition.
10290 (struct definition): Remove unused fields. Add column number.
10291 (create_definition): Returns a DEFINITION *. Takes a
10292 cpp_reader * and an int.
10294 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10295 (PEEKC): Copy defn from cpplib.c.
10296 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10298 (struct arglist): Simplify.
10299 (collect_expansion): Rewrite. Get tokens by calling
10300 cpp_get_token. Add more error checking.
10301 (collect_formal_parameters): New function, broken out of
10302 create_definition and reworked to use get_directive_token.
10303 (create_definition): All real work is now in collect_expansion
10304 and collect_formal_parameters. do_define handles finding the
10305 macro name. Return a DEFINITION, not a MACRODEF.
10306 (macroexpand): Replace bcopy with memcpy throughout. Replace
10307 character-at-a-time copy loop with memcpy and pointer increments.
10308 (compare-defs): d1->argnames / d2->argnames might be null.
10310 * cpplib.c (copy_rest_of_line): Delete function.
10311 (skip_rest_of_line): Do all the work ourselves.
10312 (skip_string): New function.
10313 (parse_string): Use skip_string.
10314 (get_macro_name): New function.
10315 (check_macro_name): Delete.
10316 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10317 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10318 (handle_directive): ICE if we're called on a macro buffer.
10319 (do_define): Determine macro name and type (funlike/objlike)
10320 here. Expunge all uses of MACRODEF.
10321 (cpp_push_buffer): Set line_base to NULL.
10322 (do_undef, read_line_number): Don't worry about getting a POP token.
10323 (eval_if_expression): Set/reset parsing_if_directive around
10324 cpp_parse_expr. Don't clear only_seen_white.
10325 (skip_if_group): Remove output_conditionals logic. Use
10327 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10328 tokens under appropriate conditions.
10329 (cpp_unassert): Call do_unassert not do_assert. Oops.
10331 * cppexp.c (parse_defined): New function, break out of
10333 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10334 ourselves, with cpp_defined.
10335 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10337 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10338 * gcc.dg/strpaste-2.c: New.
10340 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10342 * fold-const.c (size_binop): Don't asert inputs are the same and
10343 have TYPE_IS_SIZETYPE set.
10344 (size_diffop): Likewise.
10346 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10348 * dwarfout.c (output_block): Output abstract blocks even if they
10349 don't have TREE_ASM_WRITTEN set.
10351 * calls.c (emit_library_call): Check for null REG.
10353 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10355 * c-decl.c (current_function_decl): Move to toplev.c.
10356 (init_decl_processing): Don't add current_function_decl as a ggc
10358 * dbxout.c (dbxout_symbol): Change return type to int.
10359 (dbxout_symbol_location, dbxout_syms): Likewise.
10360 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10361 any locals. Use current_function_func_begin_label if set.
10362 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10363 * dwarf2out.c (dwarf2out_begin_prologue): Set
10364 current_function_func_begin_label.
10365 * final.c (final_start_function): Reset it.
10366 * toplev.c (current_function_decl): Define it here.
10367 (current_function_func_begin_label): New variable.
10368 (main): Add both as ggc roots.
10369 * tree.h (current_function_func_begin_label): Declare.
10371 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10373 * gcse.c: Cleanups throughout: mostly white-space, but also
10374 some minor rearrangement of code.
10376 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10378 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10379 returns a PARALLEL. Use emit_group_load and use_group_regs
10381 (emit_library_call_value): Similarly.
10383 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10384 * pa/quadlib.asm: Remove.
10385 * pa/quadlib.c: New file.
10387 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10388 * configure: Rebuilt.
10390 2000-02-29 Philip Blundell <pb@futuretv.com>
10392 * config/arm/conix-elf.h: New file.
10393 * configure.in (arm*-*-conix*): New configuration.
10394 * configure: Regenerate.
10396 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10398 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10399 don't have TREE_ASM_WRITTEN set.
10401 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10403 * Eliminate DECL_FIELD_SIZE.
10404 * builtins.c (built_in_class_names, built_in_names): New variables.
10405 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10406 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10407 DECL_SIZE, not DECL_FIELD_SIZE.
10408 * print-tree.c (print_node): Remove code that prints extra blank
10409 lines in some cases.
10410 Properly handle inline and builtin function cases.
10411 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10412 * tree.h (built_in_class_named, built_in_names): New declarations.
10413 (union tree_decl): Rename internal unions to u1 and u2 and change
10414 some of their components.
10415 Add new field built_in_class.
10416 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10417 Reflect above changes.
10418 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10419 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10420 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10421 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10423 2000-02-28 Dmitri Makarov <dim@windriver.com>
10425 * extend.texi: Document ARM's support for long/short calls.
10427 * invoke.texi: Document ARM's -mlong-calls command line switch.
10429 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10430 (arm_encode_call_attribute): Add prototype.
10431 (arm_set_default_type_attribute): Add prototype.
10432 (arm_strip_name_encoding): Add prototype.
10434 * config/arm/arm.c (arm_init_cumulative_args): replace
10435 initialisation og 'long_calls' field with initialisation of
10436 'call_cookie' field.
10437 (enum arm_pragma_enum): New enum.
10438 (arm_pragma_long_calls): New static variable.
10439 (arm_process_pragma): Also process "#pragma long_calls_off".
10440 (arm_valid_type_attribute_p): Accept short_call attribute.
10441 (arm_comp_type_attributes): Check long/short call attributes.
10442 (arm_encode_call_attribute): New function: Encode long_call
10443 or short_call attribute in function name.
10444 (arm_set_default_type_attributes): New function: Assign
10445 default attributes to newly defined type.
10446 (current_file_function_operand): New function: Return true if
10447 the symbol is a function which has already been compiled.
10448 (arm_is_longcall_p): New function: Return true if the
10449 indicated function should be called via a long call.
10450 (arm_get_strip_length): New function. Returns number of
10451 prefix characters to be stripped from a function's name.
10452 (arm_strip_name_encoding): New function. Strip prefix characters
10453 from a function's name.
10455 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10456 with 'call_cookie'.
10457 (SHORT_CALL_FAG_CHAR): Define.
10458 (LONG_CALL_FAG_CHAR): Define.
10459 (ENCODED_SHORT_CALL_ATTR_P): Define.
10460 (ENCODED_LONG_CALL_ATTR_P): Define.
10461 (ARM_NAME_ENCODING_LENGTHS): Define.
10462 (STRIP_NAME_ENCODING): Define.
10463 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10464 (ARM_ENCODE_CALL_TYPE): Define.
10465 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10466 (ARM_DECLARE_FUNCTION_SIZE): Define.
10467 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10469 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10470 if a long call is needed.
10471 (call_value): Ditto.
10472 (call_symbol): Ditto.
10474 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10475 ARM_DECLARE_FUNCTION_SIZE.
10477 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10478 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10479 (ARM_STRIP_NAME_ENCODING): Undefine.
10480 (STRIP_NAME_ENCODING): Undefine.
10481 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10482 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10483 (ASM_OUTPUT_COMMON): Ditto.
10484 (ASM_DECLARE_OBJECT_NAME): Ditto.
10486 * config/arm/pe.c (arm_dllexport_name_p): Check for
10488 (arm_dllimport_name_p): Ditto.
10489 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10490 (arm_mark_dllimport): Ditto.
10492 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10494 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10496 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10498 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10500 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10502 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10503 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10504 NO_BUILTIN_WCHAR_TYPE is not defined.
10505 (CPP_WCHAR_TYPE): Delete.
10506 * cccp.c (main): Don't change wchar_type if cplusplus.
10507 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10509 2000-02-28 Nick Clifton <nickc@cygnus.com>
10511 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10513 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10515 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10516 (ASM_WEAKEN_LABEL): Define.
10518 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10520 * expr.c (store_constructor): Do not emit USE.
10521 * rtl.h (stupid_life_analysis): Remove.
10523 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10525 * function.c (number_blocks): Reset next_block_index based on
10526 what debugging format is used, not what is defined.
10528 * lcm.c: Minor reformatting throughout.
10529 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10531 * toplev.c (rest_of_compilation): Account for time in
10532 optimize_mode_switching.
10534 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10535 if only marking labels.
10537 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10539 * calls.c (expand_call): Attempt to combine stack adjustments with
10540 pending stack adjustments.
10542 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10544 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10545 to the end of the function.
10547 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10549 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10551 * final.c (next_block_index): Remove.
10552 (max_block_depth): Likewise.
10553 (pending_blocks): Likewise.
10554 (init_final): Don't initialize them.
10555 (final_start_function): Don't set next_block_index. Set up
10557 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10558 * function.h (number_blocks): New function.
10559 * function.c (get_block_vector): New function.
10560 (identify_blocks): Use it.
10561 (reorder_blocks): Set NOTE_BLOCK.
10562 (number_blocks): New function.
10563 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10564 * tree.h (BLOCK_NUMBER): New macro.
10565 (tree_block): Add block_num field.
10566 * dbxout.c (next_block_number): Remove.
10567 (dbxout_init): Don't set it.
10568 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10569 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10571 * toplev.c (rest_of_compilation): Always call
10572 find_loop_tree_blocks. Fix indentation.
10573 * dwarf2out.c (next_block_number): Remove.
10574 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10575 to determine block numbers.
10576 (gen_inlined_subroutine_die): Likewise.
10577 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10578 (decls_for_scope): Don't increment next_block_number.
10579 * dwarfout.c (next_block_number): Remove.
10580 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10581 to determine block numbers.
10582 (output_inlined_subroutine_die): Likewise.
10583 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10584 (output_decls_for_scope): Don't increment next_block_number.
10585 * sdbout.c (next_block_number): Remove.
10586 (sdbout_block): Use BLOCK_NUMBER.
10587 (sdbout_begin_block): Simplify.
10588 * xcoffout.c (next_block_number): Remove.
10589 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10590 (xcoffout_begin_block): Don't set next_block_number.
10591 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10594 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10596 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10597 (expand_builtin_strcpy): Pass correct type to size_binop.
10598 (expand_builtin_strcmp): Likewise.
10599 Clean up conditional structure.
10600 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10601 (complete_array_type): Don't use size_binop for MAXINDEX.
10602 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10603 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10604 (c_alignof): Use size_one_node.
10605 (build_unary_op): Pass arg of proper type to size_binop.
10606 (really_start_incremental_init, push_init_level): Use sizetype for
10607 constructor{,_bit,_unfilled}_index.
10608 (pop_init_label, output_init_element): Likewise.
10609 (output_pending_init_elements, process_init_element): Likewise.
10610 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10611 * expr.c (store_expr): Use size_int.
10612 (store_constructor): Use proper types for size_binop args.
10613 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10614 (expand_expr_unaligned): Likewise.
10615 (string_contant): Return object of sizetype.
10616 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10617 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10618 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10619 * fold-const.c (int_const_binop): Refine when size_int is called.
10620 (fold_convert): Likewise.
10621 (size_int_wide): Rework to take KIND as arg, only take low order
10622 bits, handle new sizetype_tab datatype, and chain entries in
10624 (size_int_type_wide): New function.
10625 (size_binop): Validate types of arguments.
10626 (ssize_binop): Deleted.
10627 (size_diffop): New function.
10628 (extract_muldiv): Only fold division into multiplication for sizetypes.
10629 * function.c (assign_parms): Use size_diffop and make sure
10630 VAR field is of ssizetype; also pass proper type to size_binop.
10631 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10632 (round_down): Deleted from here.
10633 * store-layout.c (sizetype_tab): Now an array.
10634 (sizetype_set, early_root_list): New variables.
10635 (variable_size): Use size_one_node.
10636 (round_up): Pass proper type to size_binop.
10637 (round_down): Moved to here and corrected as above.
10638 (layout_record): Pass proper arg types to size_binop.
10639 (layout_type): Likewise.
10640 If sizetype_set is zero, record the type just laid out.
10641 (make_unsigned_type): Don't call set_sizetype;
10642 (make_signed_type): Likewise; also, call fixup_signed_type.
10643 (initialize_sizetypes): New function.
10644 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10645 set name of bitsizetype to "bit_size_type".
10646 Fix up type of sizes of all types made before call.
10647 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10648 * tree.c (fix_sizetype): Deleted.
10649 (build_common_tree_nodes): Call initialize_sizetypes.
10650 (build_common_tree_nodes_2): Don't call fix_sizetype.
10651 * tree.h (TYPE_IS_SIZETYPE): New macro.
10652 (initialize_sizetype): New declaration.
10653 (enum size_type_kind): New type.
10654 (struct sizetype_tab): Deleted.
10655 (sizetype_tab): Now array; adjust sizetype macros.
10656 (size_diffop, size_int_type_wide): New functions.
10657 (size_int_wide): Change number of args and type; access macros changed.
10658 (ssize_int, sbitsize_int): New macros.
10659 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10660 (ROUND_TYPE_SIZE_UNIT): New macro.
10662 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10664 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10666 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10668 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10669 Mark as possibly unused.
10671 * cse.c (cse_insn): Delete dead code involving tablejump.
10672 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10674 * Makefile.in (libcpp.a): Start by deleting it.
10676 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10678 * cpplib.h (enum file_change_code): Added rename_file.
10679 * cpplib.c (do_line): If a filename is given, set file_change to
10681 (output_line_command): If file_change is rename_file, always
10682 output a # directive with the file name.
10684 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10686 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10688 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10689 when copying a PARM_DECL or RESULT_DECL.
10691 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10693 * fix-header.c (recognized_function): Also fix prototypes for
10694 functions taking "void".
10696 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10698 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10699 looking at reg_reloaded_contents.
10701 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10703 * Makefile.in (STMP_FIXINC): New toggle.
10704 (LIBGCC2_DEPS): Delete all references.
10705 (stmp-headers): Delete target. All references either deleted
10706 or changed to stmp-int-headers.
10707 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10708 (LIBCPP_OBJS): Take out cppalloc.o.
10709 (cppalloc.o): Delete target.
10710 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10711 (gen-protos, fix-header): Link with libiberty.a.
10712 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10715 * configure.in: Remove refs to strerror.
10716 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10717 * system.h: Take out strerror stanza.
10719 * cpperror.c (my_strerror): Delete function.
10720 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10721 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10722 * cppalloc.c: Delete file.
10723 * gen-protos.c: Don't provide xrealloc.
10725 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10726 xstrerror throughout.
10728 2000-02-26 Bruce Korb <bkorb@gnu.org>
10730 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10731 match for DOS headers, too.
10732 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10734 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10736 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10737 is right for most ELF targets.
10738 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10739 Let the default file use %U properly.
10740 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10743 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10746 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10748 * toplev.c (documented_lang_options): Correct spelling error.
10749 (decode_d_option, decode_f_option, main): Likewise.
10751 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10753 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10754 to tell assembler it is permitted to expand large constants.
10756 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10758 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10759 (aux_info_suffix): Use.
10760 (SAVE_SUFFIX): New macro.
10761 (save_suffix): Use.
10762 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10763 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10764 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
10766 * invoke.texi (Running Protoize): Update documentation.
10768 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
10770 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
10772 2000-02-25 John Wehle (john@feith.com)
10774 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
10776 2000-02-25 Anthony Green <green@cygnus.com>
10778 * toplev.c (rest_of_compilation): Rebuild jump labels if
10779 combine_instructions has created a new direct jump.
10780 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
10782 (combine_instructions): Call try_combine with new argument.
10783 Return non-null value when new direct jump instruction is created.
10784 * rtl.h: combine_instructions returns an int.
10786 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
10788 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
10789 jump when changing a computed jump into a jump to a known
10792 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
10794 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
10795 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
10797 * i386.md (define_expand "clrstrsi"): Fix typo.
10799 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
10801 * rtl.texi: Fix typo.
10803 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10805 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
10806 UNITS_PER_WORD. Change caller initial_elimination_offset.
10807 (rounded_frame_size): Take into account that argument pushed has
10808 changed. Fix TARGET_ALIGN_DOUBLE problem.
10810 2000-02-25 Geoff Keating <geoffk@cygnus.com>
10812 * haifa-sched.c (schedule_block): Explain the real reason
10813 we delete REG_SAVE_NOTEs on the first insn of a block.
10814 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
10816 2000-02-24 Mark Mitchell <mark@codesourcery.com>
10818 * input.h (push_srcloc): New function.
10819 (pop_srcloc): Likewise.
10820 * toplev.c (push_srcloc): Define it.
10821 (pop_srcloc): Likewise.
10823 2000-02-24 Richard Henderson <rth@cygnus.com>
10825 * flow.c (life_analysis): When collecting reg info, clear
10828 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10830 Fix bug exposed by reload.c no longer rounding the frame
10831 size to BIGGEST_ALIGNMENT:
10832 * sh.c (rounded_frame_size): New function.
10833 (sh_expand_prologue, sh_expand_epilogue): Use it.
10834 (initial_elimination_offset): Likewise.
10836 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10838 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
10839 * sh-protos.h (sh_need_epilogue): Declare.
10840 * sh.c (sh_need_epilogue_known): New static variable.
10841 (sh_need_epilogue): New function.
10842 (function_epilogue): Clear need_epilogue_known.
10843 * sh.md (return): Split into expander / insn pattern.
10844 Make the expander conditional on ! sh_need_epilogue ().
10846 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
10848 * machmode.h (get_mode_alignment): Declare.
10849 (GET_MODE_ALIGNMENT): Call it.
10850 * stor-layout.c (get_mode_alignment): New function. Make
10851 sure alignment is always power of 2.
10853 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10855 * i386.h: Remove useless definition of "I386" and misleading
10858 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10860 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
10861 under which TREE_PERMANENT will be set.
10862 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
10863 build1): Use TREE_SET_PERMANENT.
10864 * print-tree.c (print_node): Don't report value of
10865 TREE_PERMANENT if ggc_p is true.
10867 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
10868 decide whether to give a type a new alias set.
10869 * objc/objc-act.c (build_objc_string_object): Never copy the string.
10870 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
10871 of value of 'obstack'.
10874 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10876 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
10878 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10880 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
10881 * cpplib.c (cpp_get_token): Produce them.
10882 * cppexp.c (cpp_lex): Handle them.
10884 2000-02-23 Nick Clifton <nickc@cygnus.com>
10886 * config/arm/arm.c (arm_comp_type_attributes): Simply and
10887 comment tests on type attributes.
10889 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10891 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
10892 conform to documentation.
10893 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
10894 to check for special cases.
10895 * sh-protos.h (sh_loop_align): Declare.
10896 * sh.c (sh_loop_align): Define.
10898 2000-02-22 Andrew Haley <aph@cygnus.com>
10900 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
10901 (SIZE_TYPE): Is 32 bits when using -mgp32.
10902 (PTRDIFF_TYPE): Ditto.
10904 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10906 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
10908 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
10910 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
10911 BIGGEST_FIELD_ALIGNMENT a constant.
10913 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
10915 * dwarf2out.c (output_line_info): Put the marker for the end of
10916 the line number info at the actual end.
10917 (gen_struct_or_union_type_die): Use decl_function_context
10918 to check for local classes.
10919 * dwarfout.c (output_type): Likewise.
10921 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
10923 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
10924 for arguments with a mode, but no type.
10925 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
10926 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
10927 * pa/long_double.h: New file.
10928 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
10929 both have 128bit wide long doubles.
10930 * configure: Rebuilt.
10932 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10934 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
10936 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
10937 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
10938 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
10940 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
10942 * integrate.c (compare_blocks, find_block): Likewise.
10944 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
10946 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
10948 * stmt.c (stmt_status, set_file_and_line_for_stmt,
10949 expand_asm_operands): Likewise.
10951 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
10953 * predict.c (estimate_probability): Added the pointer heuristic to
10954 the collection of static branch predictors.
10956 2000-02-21 Catherine Moore <clm@cygnus.com>
10958 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
10959 * invoke.texi (-mfix7000): Document.
10961 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
10963 * diagnostic.c (init_output_buffer): Make it possible to output at
10964 least 32 characters if we're given a too long prefix.
10966 2000-02-20 Mark Mitchell <mark@codesourcery.com>
10968 * varasm.c (initializer_constant_valid_p): Call
10969 lang_expand_constant to simplify the constant.
10971 2000-02-20 Bruce Korb <bkorb@gnu.org>
10973 * fixinc/inclhack.def(stdio_va_list):
10974 typedef needs to be disabled.
10975 * fixinc/inclhack.sh: regen
10976 * fixinc/fixincl.x: regen
10978 2000-02-20 Geoff Keating <geoffk@cygnus.com>
10980 * print-rtl.c (print_rtx): Don't print addresses when
10981 flag_dump_unnumbered.
10983 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10985 * sparc.c (sparc_output_scratch_registers): Mark parameter with
10987 (sparc_va_arg, sparc_flat_output_function_prologue,
10988 sparc_flat_output_function_epilogue): Cast value to unsigned in
10990 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
10992 * sparc.md: Add default case in switch.
10994 2000-02-19 Richard Henderson <rth@cygnus.com>
10996 * c-typeck.c (add_pending_init): Don't abort for multiple
10997 fields at the same offset.
10998 (pending_init_member): Test the correct member.
11000 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11002 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11004 (start_catch_handler) : Same.
11006 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11008 * Makefile.in: Have flow.o depend on $(EXPR_H)
11010 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11012 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11013 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11014 (finish_decl): Remove -Wlarger-than code from here.
11015 * flags.h (id_clash_len): Now int.
11016 (larger_than_size): Now HOST_WIDE_INT.
11017 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11018 Clean up checking to see if in table.
11019 (make_bit_field_ref): Remove extra parm to bitsize_int.
11020 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11021 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11022 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11023 and for computing size of decl.
11024 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11025 Move -Wlarger-than code to here.
11026 (layout_record): Remove extra arg to bitsize_int.
11027 Set TYPE_BINFO_SIZE_UNIT.
11028 (layout_union): Remove extra arg to bitsize_int.
11029 Use proper type for size of QUAL_UNION.
11030 (layout_type): Remove extra arg to bitsize_int.
11031 * toplev.c (id_clash_len): Now int.
11032 (larger_than_size): Now HOST_WIDE_INT.
11033 (decode_W_option): Clean up id-clash and larger-than- cases.
11034 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11035 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11036 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11037 (struct tree_decl): New field size_unit.
11038 (size_int_wide): No HIGH operand; NUMBER is now signed.
11039 (size_int_2): Deleted.
11040 (size_int, bitsize_int): Don't use it and rework args.
11041 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11043 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11045 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11047 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11049 * invoke.texi (Warning Options): Add an explanation of why
11050 you might want the -Wfloat-equal flag.
11052 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11054 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11055 * cppinit.c (new_pending_define): Add cast to avoid warning.
11056 * expmed.c (extract_bit_field): Likewise.
11057 * flow.c (enum reorder_skip_type): New type.
11058 (skip_insns_between_blcok): New it.
11059 Rework to avoid warning about possibly undefined variable.
11060 * function.c (assign_parms): Make thisparm_boundary unsigned.
11061 * genrecog.c (write_switch): Cast XWINT result to int.
11062 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11063 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11064 one for MIPS and one for Alpha.
11065 (get_tag, copy_object): Add casts to avoid warnings.
11066 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11067 * reload.c (find_reloads): Make TYPE enum reload_type.
11068 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11069 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11070 * varasm.c (compare_constant_1): Add cast to avoid warning.
11071 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11073 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11074 Cast switch operand of size to int.
11075 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11076 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11079 2000-02-18 Nick Clifton <nickc@cygnus.com>
11081 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11082 anything for an alignment of zero.
11084 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11085 anything for an alignment of zero.
11087 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11089 * gcc.texi (Bug Reporting): Refer to bugs.html.
11090 (Bug Lists): Likewise.
11091 * system.h (GCCBUGURL): New preprocessor define.
11092 * rtl.c (fancy_abort): Use it.
11093 * gcc.c (main): Likewise.
11095 2000-02-18 Richard Henderson <rth@cygnus.com>
11097 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11098 (life_analysis_1): Subsume into ...
11099 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11100 Use update_life_info for the relaxation.
11101 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11102 entry and regs_live_at_setjmp.
11103 (set_noop_p): Simplify.
11104 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11105 (record_volatile_insns): Split into ...
11106 (delete_noop_moves): ... here,
11107 (notice_stack_pointer_modification): ... here,
11108 (insn_dead_p): ... and here.
11109 (propagate_block): Don't query INSN_VOLATILE.
11110 (mark_used_regs): Mind !PROP_REG_INFO.
11111 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11112 not in life_analysis.
11114 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11116 * loop.c (canonicalize_condition): New function,
11117 broken out of get_condition.
11118 (get_condition): Use it.
11119 * expr.h (canonicalize_condition): Prototype it.
11121 * tree.h (tree_int_cst_msb): Declare.
11122 * tree.c (tree_int_cst_msb): New function.
11124 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11126 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11129 * invoke.texi (-fmessage-length=n): Document.
11131 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11133 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11135 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11137 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11138 after the prologue.
11140 2000-02-17 Nick Clifton <nickc@cygnus.com>
11142 * config/arm/thumb.c: Replace includes of system headers with
11143 #include "system.h".
11145 2000-02-16 Richard Henderson <rth@cygnus.com>
11147 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11148 Add crtbeginS.o and crtendS.o.
11149 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11150 (ENDFILE_SPEC): Use crtendS.o.
11151 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11153 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11154 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11155 shared and present.
11156 (__dso_handle): New variable.
11157 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11158 bias to __CTOR_END__.
11160 2000-02-16 Richard Henderson <rth@cygnus.com>
11162 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11164 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11166 * longlong.h (__clz_tab): Declare as static to match definition.
11168 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11170 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11171 (XREF_FILE_NAME): Define.
11173 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11174 (EH_FRAME_SECTION_ASM_OP): Define.
11175 (IDENT_ASM_OP): Define.
11176 (TEXT_SECTION_ASM_OP): Define.
11177 (CPP_SPEC): Define.
11178 (CTORS_SECTION_ASM_OP): Define.
11179 (CTOR_SECTION_FUNCTION): Use it.
11180 (DTORS_SECTION_ASM_OP): Define.
11181 (DTOR_SECTION_FUNCTION): Use it.
11183 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11185 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11188 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11189 debug_bb_n): New functions.
11190 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11191 * basic-block.h: Prototype new functions.
11193 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11195 * configure.in: Add support for avr target.
11196 * configure: Rebuilt.
11198 * invoke.texi: Add AVR invocation docs.
11199 * install.texi: Add information about AVR.
11200 * md.texi: Add AVR constraint letters description.
11201 * extend.texi: Add description for AVR specific attributes.
11203 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11205 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11207 2000-02-16 Nick Clifton <nickc@cygnus.com>
11209 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11210 (make_insn_raw): Move RTL check here.
11212 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11214 * version.c: Include gansidecl.h and version.h.
11216 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11218 * configure.in (gcc_version): When setting, narrow search to
11219 lines containing `version_string'.
11221 * Makefile.in (mainversion): Likewise.
11222 (GCC_H): New variable.
11223 (gcc.h): Delete target.
11224 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11225 (version.o): Depend on version.h.
11226 (dbxout.o): Don't depend on gcc.h.
11228 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11229 Michael Meissner <meissner@cygnus.com>
11231 * md.texi (Simple Constraints): Add item about whitespace.
11232 * genoutput.c (strip_whitespace): New.
11233 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11234 strip_whitespace for constraints.
11235 Test pointer using NULL, not 0.
11237 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11239 * cpplib.c (do_line): Pedwarn for #line > 32767.
11241 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11243 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11245 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11246 to default cpp spec.
11247 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11248 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11251 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11254 2000-02-15 Denis Chertykov <denisc@overta.ru>
11256 * configure.in: Add support for avr target.
11258 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11260 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11261 (sh_addr_diff_vec_mode): Don't declare.
11262 * sh.c (sh_addr_diff_vec_mode): Delete.
11264 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11266 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11268 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11270 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11271 (smulsi3_highpart_i): Name.
11272 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11273 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11274 (smulsi3_highpart, umulsi3_highpart): Likewise.
11276 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11277 correctly independent of endianness.
11278 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11279 confuse the optimizers.
11280 (mulsidi3+1, umulsidi3+1): New define_split.
11282 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11284 * config/sh/sh.md: Guard insn splits against illegal registers.
11285 * config/sh/sh.h: Correct comment about macros.
11287 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11288 Andrew MacLeod <amacleod@cygnus.com>
11290 * Makefile.in (lcm.o): Depend on insn-attr.h.
11291 * basic-block.h (optimize_mode_switching): Declare.
11292 * lcm.c (tm_p.h, insn-attr.h): #include.
11293 (seginfo, bb_info): New structs.
11294 (antic, transp, comp, delete, insert) : New file-scope static variables.
11295 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11296 (reg_becomes_live, optimize_mode_switching): Likewise.
11297 * tm.texi: Add description of mode switching macros.
11298 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11300 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11301 (fldi_ok, fpscr_set_from_mem): New prototypes.
11302 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11303 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11304 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11305 (sh_flag_remove_dead_before_cse): Remove declaration.
11306 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11307 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11308 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11309 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11310 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11311 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11312 (fldi_ok): New function.
11313 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11314 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11315 (emit_df_insn): Likewise.
11316 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11317 (sh_flag_remove_dead_before_cse): Delete.
11318 (get_free_reg, fpscr_set_from_mem): New functions.
11319 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11320 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11322 2000-02-15 Loren Rittle <ljrittle@acm.org>
11324 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11326 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11328 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11329 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11331 * cccp.c: Include version.h and/or don't declare `version_string'.
11332 * collect2.c: Likewise.
11333 * alpha.c: Likewise.
11334 * arm/aof.h: Likewise.
11335 * arm/coff.h: Likewise.
11336 * arm/elf.h: Likewise.
11337 * arm/pe.h: Likewise.
11338 * arm/tcoff.h: Likewise.
11339 * arm/telf.h: Likewise.
11340 * arm/tpe.h: Likewise.
11341 * arm/vxarm.h: Likewise.
11342 * convex/convex.c: Likewise.
11343 * i386/dgux.c: Likewise.
11344 * i386/sun386.h: Likewise.
11345 * m88k/m88k.c: Likewise.
11346 * mcore/mcore-pe.h: Likewise.
11347 * mips/mips.h: Likewise.
11348 * romp/romp.h: Likewise.
11349 * sh/sh.c: Likewise.
11350 * cpphash.c: Likewise.
11351 * cppinit.c: Likewise.
11352 * dwarf2out.c: Likewise.
11353 * dwarfout.c: Likewise.
11356 * mips-tfile.c: Likewise.
11357 * protoize.c: Likewise.
11358 * toplev.c: Likewise.
11359 * tree.h: Likewise.
11361 * version.c (version_string): Constify a char*.
11363 * version.h: New file.
11365 2000-02-14 Nick Clifton <nickc@cygnus.com>
11367 * configure.in: Add mcore-elf and mcore-pe targets.
11368 * configure: Regenerate.
11370 * NEWS: Add note that MCore port has been contributed.
11372 * invoke.texi: Document command line switches for MCore port.
11373 * install.texi: Add MCore to list of supported targets.
11375 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11377 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11378 then we will need to import the frame handling functions.
11379 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11380 to import the frames themselves.
11382 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11383 Jason Eckhardt <jle@cygnus.com>
11385 * basic_block.h: Added prototype for reorder_basic_blocks.
11386 * toplev.c: Changes to add -freorder-blocks and graph dump after
11387 block reordering is done.
11388 * flow.c (reorder_block_def): New structure for use during block
11390 (REORDER_BLOCK_*): New macros to access members of above structure.
11391 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11392 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11393 functions for block reordering.
11395 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11397 * gcc.texi (Passes): Fix typo.
11398 * md.texi (Standard Names): Ditto.
11399 * tm.texi (Storage Layout): Ditto.
11401 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11403 * cpplib.c (do_define): Only free the old definition if it
11406 2000-02-13 Neil Booth <NeilB@earthling.net>
11408 * cppfiles.c (read_and_prescan): When emitting deferred
11409 newlines, test speccase[] again instead of checking each
11410 possible whitespace character in turn. When we encounter \r,
11411 look behind for \n first, then ahead.
11413 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11415 * cse.c (cse_altered): New internal flag.
11416 (cse_insn): Set it if we changed an insn.
11417 (cse_main): Clear cse_altered before each basic block.
11418 Only garbage collect if cse_altered is true afterward.
11420 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11422 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11424 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11426 * combine.c (simplify_comparison): Fix typo.
11428 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11430 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11433 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11435 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11436 previously inserted node instead of root node. Caller changed.
11438 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11440 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11442 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11444 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11445 __dereg_frame_dtor): Add prototype argument.
11447 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11449 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11451 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11453 * gthr-vxworks.h (__gthread_once): Likewise.
11455 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11457 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11459 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11460 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11461 stack pointer in functions w/o saved registers, output LEAVE more often
11462 on TARGET_USE_LEAVE machines.
11464 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11466 * config/arm/arm.c (arm_init_cumulative_args); New function:
11467 Initlaise the CUMULATIE_ARGS strcuture for a function
11469 (arm_function_arg): New function: Determine where to place a
11470 function's argument. Also handles deciding the function's
11472 (current_file_function_operand): New function: Return true if
11473 the symbol is a function which has already been compiled.
11474 (arm_is_long_call_p): New function: Return true if the
11475 indicated function should be called via a long call.
11476 (arm_valid_type_attribute_p): New function: Return true if the
11477 attribute is a valid, arm specific, attribute.
11478 (arm_comp_type_attribute): New function: Return true if the
11479 two types have compatable, arm specific, attributes.
11481 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11483 (FUNCTION_ARG): Redefine to call arm_function_arg.
11484 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11486 (INIT_CUMULATIVE_ARGS): Redefine to call
11487 arm_init_cumulative_args.
11488 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11490 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11492 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11494 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11495 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11496 (COMP_TYPE_ATTRIBUTES): Define.
11498 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11499 if a long call is needed.
11500 (call_value): Call arm_is_long_call_p to decide if a long call
11502 (call_symbol): Call arm_is_long_call_p to decide if a long call
11505 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11507 2000-02-11 Denis Chertykov <denisc@overta.ru>
11509 * README.AVR: New file with information about the avr ports.
11510 * config/avr: New directory with avr port files.
11512 2000-02-11 Andreas Jaeger <aj@suse.de>
11514 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11516 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11518 * cpphash.c: Fix formatting, update commentary.
11519 (dump_definition): Take three separate arguments instead of a
11520 MACRODEF structure argument.
11521 * cpphash.h: Update prototype of dump_definition.
11522 * cppinit.c (cpp_finish): Update call of dump_definition.
11524 * cpplib.c (do_define): Always create new hash entry with
11525 T_MACRO type. Remove redundant check for redefinition of
11526 poisoned identifier. Update call of dump_definition.
11527 (do_undef): Don't call check_macro_name. Rename sym_length to
11529 (do_error, do_warning): Don't use copy_rest_of_line or
11531 (do_warning): Don't use pedwarn for the actual warning,
11532 only the notice about its not being in the standard. (Fixes
11533 bug with #warning in system headers.)
11534 (do_ident): Stricter argument checking - accept only a single
11535 string after #ident. Also, macro-expand the line.
11536 (do_xifdef): Use cpp_defined. De-obfuscate.
11538 (do_pragma): Split out specific pragma handling to separate
11539 functions. Use get_directive_token. Update commentary. Do
11540 not pass on #pragma once or #pragma poison to the front end.
11541 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11542 do_pragma_default): New.
11544 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11546 * jump.c (jump_optimize_1): The first operand in a relational
11547 can be a CONST_INT.
11548 * optabs.c (emit_conditional_move): Handle relationals which
11549 have a known true/false result.
11551 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11553 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11554 a RETURN insn into a block which already ends with a jump.
11556 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11558 * haifa-sched.c (BUF_LEN): Increase a lot.
11560 2000-02-11 Nick Clifton <nickc@cygnus.com>
11562 * configure.in: Add tm_p_file specification for thumb targets.
11563 * configure: Regenerate.
11565 * config/arm/thumb-protos.h: New file: Prototypes for exported
11566 functions defined in thumb.c.
11568 2000-02-11 Robert Lipe <robertl@sco.com>
11570 * Makefile.in (bootstrap-lean): Remove additional files.
11571 (bootstrap2-lean): Likewise.
11572 (VOL_FILES): List of files for above.
11574 2000-02-11 Nathan Sidwell <nathan@acm.org>
11576 * cpphash.c (special_symbol): Remove spurious argument to
11579 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11581 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11583 * configure: Rebuilt.
11585 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11587 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11589 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11591 * pa.c, pa.h: Remove trigraph sequences within comments.
11593 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11595 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11597 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11599 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11601 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11603 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11605 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11607 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11608 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11609 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11610 (ASM_FILE_END): Use c4x_file_end.
11611 * config/c4x/c4x.c (c4x_global_label): New function.
11612 (c4x_external_ref, c4x_file_end): Likewise.
11614 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11615 (c4x_external_ref, c4x_end_file): Likewise.
11617 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11619 * cppexp.c: Don't include cpphash.h.
11620 (parse_charconst, cpp_lex): Use cpp_defined.
11621 (cpp_lex): Use get_directive_token throughout. Remove
11622 unnecessary cases from switch. Move assertion-handling code
11623 down to OTHER case.
11624 (cpp_parse_expr): If we see '+' or '-', check the context to
11625 determine if they are unary or binary operators. Streamline
11626 the jumps a bit. Do not call skip_rest_of_line.
11628 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11629 static. Export get_directive_token. Update commentary.
11630 (cpp_defined): New function.
11631 (do_define): Remove reference to T_PCSTRING. Call
11632 free_definition to release memory for old definition, when
11633 redefining a macro.
11634 (eval_if_expression): Set only_seen_white to 0 before calling
11635 cpp_parse_expr. Call skip_rest_of_line after it returns.
11636 (cpp_read_check_assertion): Don't preserve a pointer into the
11637 token buffer across a call to cpp_get_token.
11639 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11640 * cppfiles.c (redundant_include_p): Use cpp_defined.
11641 * cpphash.c (free_definition): New function.
11642 (delete_macro): Use it. Update commentary.
11643 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11645 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11646 from enum node_type. Prototype cpp_defined and get_directive_token.
11647 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11649 * fix-header.c (check_macro_names): Use cpp_defined.
11650 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11651 the options structure.
11653 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11655 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11657 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11659 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11660 rather than die->die_tag.
11662 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11664 * combine.c (make_extraction, force_to_mode): Avoid warning on
11665 mixed-signedness conditionals.
11666 (make_field_assignment, nonzero_bits): Likewise.
11667 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11668 (store_split_bit_field, extract_split_bit_field): Likewise.
11669 (extract_fixed_bit_field, store_bit_field,
11670 * expr.c: Change alignment to be unsigned everywhere.
11671 (move_by_pieces, store_constructor_field, store_constructor):
11672 Alignment parm is unsigned.
11673 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11674 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11675 (do_compare_rtx_and_jump): Likewise.
11676 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11677 Compare align with GET_MODE_ALIGNMENT.
11678 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11679 (get_inner_reference): Likewise.
11680 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11681 (expand_assignment): Local vars for alignment now unsigned.
11682 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11683 (do_compare_and_jump): Likewise.
11684 (store_field): Call new function expr_align.
11685 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11686 Alignment arg now unsigned.
11687 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11688 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11689 (extract_bit_field): Likewise.
11690 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11691 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11692 (get_best_mode): Alignment arg is unsigned.
11693 * rtl.h (move_by_pieces): Likewise.
11694 * store-layout.c (maximum_field_alignment, set_alignment):
11696 (layout_decl): Alignment arg is now unsigned.
11697 Remove unneeded casts.
11698 (layout_record, layout_union, layout_type): Remove unneeded casts.
11699 Local alignment variables now unsigned.
11700 (get_best_mode): Alignment arg now unsigned.
11701 * tree.c (expr_align): New function.
11702 * tree.h (expr_align): Likewise.
11703 (maximum_field_alignment, set_alignment): Now unsigned.
11704 (get_inner_reference): Alignment argument is now pointer to unsigned.
11705 * varasm.c (assemble_variable): Add cast to eliminate warning.
11707 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11709 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11710 then store directly into op0.
11712 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11713 the CALL_INSN, and emit the note immediately after it.
11715 2000-02-10 Nick Clifton <nickc@cygnus.com>
11717 * config/arm/thumb.md (epilogue): Include a (return) in the
11718 generated insn, and emit it using emit_jump_insn not
11721 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11723 * function.c (assign_temp): Change zero-sized arrays to size 1.
11724 * integrate.c (expand_inline_function): Do not update
11725 stack_alignment_needed
11726 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11727 add some sanity checking, remove optimization for function with
11730 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11732 * flow.c (mark_regs_live_at_end): Delete unused variables.
11734 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11736 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11737 in macro FRAME_GROWS_DOWNWARD.
11739 * stmt.c (expand_end_bindings): Delete unused variable.
11741 * unroll.c (iteration_info): Mark parameter `loop' with
11744 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11746 * fixinc/server.c (load_data): Return NULL if the marker line is
11748 (run_shell): If load_data returns NULL, retry the command once, in
11751 * configure: Rebuilt.
11753 2000-02-09 Bruce Korb <bkorb@gnu.org>
11755 * gcc/fixincludes: ** DELETED **
11756 * gcc/fixcpp: ** DELETED **
11757 * gcc/fixinc-nt.sed: ** DELETED **
11758 * gcc/just-fixinc: ** DELETED **
11759 * gcc/Makefile.in: Removed out-dated commentary
11760 * gcc/configure.in: Removed fast-fixincludes disablement.
11761 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11763 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11764 * function.c (thread_prologue_and_epilogue_insns): Uncomment
11767 2000-02-09 Richard Henderson <rth@cygnus.com>
11769 * jump.c (delete_insn): Don't delete user labels at -O0.
11771 2000-02-09 Robert Lipe <robertl@sco.com>
11773 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
11774 Don't link with HOST_LIBS.
11776 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11778 * configure.in: Correct --help text for --with-dwarf2.
11779 Put tm-dwarf2.h after other tm files, if it's requested.
11780 * configure: Regenerate.
11781 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
11784 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11786 * cpplib.h: Provide HASHNODE typedef and forward decl of
11787 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
11788 DEFINITION, struct hashnode, struct macrodef, struct
11789 definition, scan_decls prototype, default defn of
11790 INCLUDE_LEN_FUDGE moved elsewhere.
11792 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
11793 definition, and struct hashnode moved here. Remove the unused
11794 'predefined' field from struct definition. Replace the 'args'
11795 union with its sole member. All users updated (cpphash.c).
11796 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
11797 multiple include guard.
11799 * cpphash.c (hashf): Make static; use better algorithm; drop
11800 HASHSIZE parameter; return an unsigned int.
11801 (cpp_lookup): Drop HASH parameter. PFILE parameter is
11802 used. Calculate HASHSIZE modulus here.
11803 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
11805 (create_definition): Drop PREDEFINITION parameter.
11806 * cpplib.c (do_define): Don't calculate a hash value here.
11807 Don't pass (keyword == NULL) to create_definition.
11809 * scan.h: Prototype scan_decls here.
11810 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
11811 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
11812 callers of cpp_lookup and cpp_install updated.
11814 * cpphash.c (macarg): Hoist all the flag diddling out of the
11816 (macroexpand): ... and out of the loop that calls macarg.
11817 Skip over the initial paren before macro arguments with
11818 cpp_get_non_space_token; point may be some distance before
11819 that paren. Abort if it's not there.
11821 * cpplib.c (parse_clear_mark): Delete function.
11822 (parse_set_mark, parse_goto_mark): Make static.
11823 (ACTIVE_MARK_P): New macro.
11824 (skip_block_comment, skip_line_comment): Do not bump the line
11825 if ACTIVE_MARK_P is true.
11826 (cpp_pop_buffer): The buffer to be popped may not have an
11828 (cpp_get_token): When looking for the initial paren before
11829 macro arguments, only set a mark in a file buffer, Always
11830 return to that mark before proceeding to call macroexpand or
11831 return a NAME token.
11833 * cpplib.h: Remove prototypes of parse_set_mark,
11834 parse_clear_mark, parse_goto_mark.
11835 (struct cpp_options): Rename 'put_out_comments' to
11836 'discard_comments' and invert its sense.
11837 * cppinit.c, cpphash.c, cpplib.c: All users of
11838 put_out_comments changed to use discard_comments, with
11841 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11843 * function.c (thread_prologue_and_epilogue_insns): Don't delete
11844 the edge from a block that both jumps and falls through to the
11847 2000-02-09 Scott Bambrough <scottb@netwinder.org>
11849 * config/arm/arm.md (movsi): In PIC mode, make sure that a
11850 constant source address is legitimate.
11852 2000-02-09 Philip Blundell <pb@futuretv.com>
11854 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
11857 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
11859 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
11861 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
11863 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
11864 ends with a newline and a NUL. Don't be so clever manipulating
11867 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
11869 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
11870 not to BIGGEST_ALIGNMENT.
11872 2000-02-08 Geoff Keating <geoffk@cygnus.com>
11874 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
11875 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
11876 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
11877 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
11878 * frame.c (execute_cfa_insn): Handle
11879 DW_CFA_GNU_negative_offset_extended.
11881 2000-02-08 Richard Henderson <rth@cygnus.com>
11883 * flow.c (tidy_fallthru_edges): Split out from ...
11884 (delete_unreachable_blocks): ... here.
11885 (find_basic_blocks): Use it.
11887 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11889 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
11891 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
11893 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
11894 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
11895 (fix-header.o): Don't depend on cpphash.h.
11897 * scan.c (hashstr): New function.
11898 * scan.h: Prototype it.
11899 * fix-header.c: Don't include cpphash.h. Use hashstr.
11900 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
11901 hashstr. Report hash table statistics. Add private
11902 definition of xrealloc.
11904 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11906 * i386.h (TARGET_SWITCHES): Fix typo in option name.
11908 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
11910 * function.c (thread_prologue_and_epilogue_insns): Don't replace
11911 jumps with returns unless they are jumps to the fallthru block.
11913 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
11915 * i386.md (addqi3_cc): Fix contraints.
11917 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
11919 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
11921 2000-02-07 Mark Mitchell <mark@codesourcery.com>
11923 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
11924 carriage return after a macro name.
11926 2000-02-07 Fred Fish <fnf@be.com>
11928 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
11929 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
11931 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
11933 * cppfiles.c (deps_output): Count spacers in deps_column.
11935 2000-02-07 Neil Booth <NeilB@earthling.net>
11937 * cppinit.c (initialize_dependency_output): If there is no
11938 suffix, don't try to look for known suffixes. Use strrchr.
11939 (cpp_start_read): Remove duplicate initialization.
11941 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
11943 * calls.c (compute_argument_block_size): New argument
11944 preferred_stack_boundary.
11945 (expand_call): update cfun->preferred_stack_boundary, update call of
11946 compute_argument_block_size
11947 (emit_library_call): Increate cfun->preferred_stack_boundary
11948 to PREFERRED_STACK_BOUNDARY
11949 (emit_library_call_value): Likewise.
11950 * explow.c (allocate_dynamic_stack_spave): Likewise.
11951 * function.c (prepare_function_start): Set
11952 cfun->preferred_stack_boundary
11953 * function.h (struct function): Add preferred_stack_boundary field.
11954 * integrate.c (expand_inline_function): Update
11955 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
11956 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
11957 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
11959 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
11961 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
11962 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
11963 cpp_pedwarn, cpp_pedwarn_with_line,
11964 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
11965 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
11966 v_cpp_error_with_line, v_cpp_warning_with_line,
11967 cpp_message_from_errno, cpp_perror_with_name): Delete.
11969 * cpperror.c (cpp_print_containing_files): Take starting
11970 buffer as argument.
11971 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
11972 (v_cpp_message): Now called directly by all entry points.
11974 (cpp_pfatal_with_name, cpp_message): Delete.
11975 (cpp_notice_from_errno, cpp_ice): New functions.
11976 (cpp_notice): Is now for reporting error conditions, just
11977 without an associated file.
11978 (cpp_error, cpp_error_with_line): Don't do anything if
11979 opts->inhibit_errors is on.
11980 (cpp_pedwarn_with_file_and_line): Take column argument also.
11982 * cpplib.h: Update prototypes of exported functions.
11983 (struct cpp_options): Add inhibit_errors.
11985 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
11986 non-error messages. Include intl.h.
11988 * cppinit.c, cppmain.c: Likewise. Also, use
11989 cpp_notice_from_errno instead of cpp_perror_with_name or
11990 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
11992 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
11993 report internal errors.
11995 * cpplib.c (do_define): Switch bcopy to memcpy.
11996 Give cpp_pedwarn_with_file_and_line a dummy column argument.
11998 * cpplib.c (copy_rest_of_line): Revert previous change: don't
11999 bail out early if we hit a line comment.
12001 2000-02-06 Richard Henderson <rth@cygnus.com>
12003 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12004 * basic-block.h: Declare them.
12005 * emit-rtl.h (active_insn_p): New.
12006 (next_active_insn, prev_active_insn): Use it.
12007 * rtl.h: Declare it.
12008 * function.c (emit_return_into_block): New.
12009 (thread_prologue_and_epilogue_insns): Insert return insns instead
12010 of epilogues when possible.
12011 * jump.c (jump_optimize_1): Remove code to insert a return insn
12012 on the fallthru to the exit block.
12014 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12015 and for non-empty stack frames.
12016 * i386.md (return): Expand to return-pop as needed.
12018 2000-02-06 Richard Henderson <rth@cygnus.com>
12020 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12021 constant to op1 for testing.
12023 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12025 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12026 (fixuns_truncqfqi2): Use it.
12028 2000-02-06 Richard Henderson <rth@cygnus.com>
12030 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12031 as a TYPE_LEA insn.
12033 * i386.md (widening and peepholes): Mask the constant instead of
12036 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12038 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12039 input pointer before possibly branching off to the backslash
12041 * cpphash.c (macroexpand): Correctly delete \r escapes when
12042 stringifying parameters.
12043 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12044 if we can; bail out early if we hit a line comment.
12045 (handle_directive): Treat '# 123' in an .S file just like
12046 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12047 Return 1 for '# not_a_directive'.
12048 (get_directive_token): Pop macro buffers here, so that
12049 cpp_get_token can't sneakily move past a newline.
12051 (cpp_get_token): goto randomchar if handle_directive returns 0.
12053 * cppalloc.c: Update copyright.
12054 * cpplib.c: Merge all the static function prototypes into one
12056 * cpplib.h: Remove #if 0 block.
12058 * cpperror.c: Remove #ifdef EMACS block.
12059 * cppmain.c: Likewise.
12060 * cpphash.c: Remove #if 0 blocks.
12061 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12062 * cpplib.c: Remove #if 0 blocks and code referencing
12063 pcp_inside_if or for_lint. Remove duplicate error message.
12064 Fix error messages for #else after #else or #elif. Reformat.
12065 Remove archaic TODO list.
12066 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12068 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12070 * i386/osf1elf.h: Add missing backslash to multiline string.
12072 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12074 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12076 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12078 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12080 * c-common.c: Include expr.h.
12082 * c-pragma.c (mark_align_stack): Add prototype.
12084 * caller-save.c (add_stored_regs): Likewise.
12086 * combine.c (record_promoted_value): Likewise.
12088 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12091 * cppinit.c (new_pending_define): Likewise.
12093 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12095 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12096 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12097 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12098 class_scope_p): Likewise.
12100 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12101 dwarf2out_add_library_unit_info): Likewise.
12103 * ggc.h (ggc_page_print_statistics): Likewise.
12105 * haifa-sched.c (propagate_deps): Likewise.
12107 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12109 * rtl.h (set_stack_check_libfunc): Likewise.
12111 * toplev.h (set_fatal_function): Likewise.
12113 * toplev.c (set_fatal_function): Delete prototype.
12115 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12117 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12119 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12120 (FUNC_END): Likewise.
12122 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12124 * caller-save.c: Include tm_p.h.
12126 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12128 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12130 2000-02-04 Neil Booth <NeilB@earthling.net>
12132 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12135 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12137 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12138 * genflags.c: Use the max_operand_1 logic from genemit.c to
12139 calculate how many arguments gen_insn prototypes have. Remove
12140 NO_MD_PROTOTYPES ifdefs from the generated file.
12141 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12142 file. Cast gen_insn initializers to insn_gen_fn.
12143 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12144 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12146 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12148 * fixinc/Makefile.in (HDR): Add machname.h.
12151 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12153 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12154 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12155 (c4x_cpu_version): Ditto.
12156 * config/c4x/c4x-protos.h: ... here.
12158 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12160 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12161 gen_abstract_function on our context if we're a nested function.
12163 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12165 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12166 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12168 2000-02-04 Bruce Korb <bkorb@gnu.org>
12170 * fixinc/genfixes(machname.h):
12171 Move the functionality from gen-machine.h into this file.
12172 UNdef MN_NAME_PAT if there are no names to change.
12173 Also, be a little kinder when AutoGen is not present.
12175 * fixinc/Makefile.in(machname.h):
12176 Change the generation rule to use genfixes.
12178 * fixinc/fixfixes.c(machine_name):
12179 machine_name_fix's functionality now dependent upon whether
12180 MN_NAME_PAT is defined.
12182 * fixinc/fixtests.c(machine_name):
12185 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12188 * fixinc/fixlib.h(mn_get_regexps):
12191 * fixinc/gen-machine.h: DELETED
12193 2000-02-04 Jan Hubicka <jh@suse.cz>
12194 Richard Henderson <rth@cygnus.com>
12196 * i386.c (SAVE_REGS_FIRST): Remove.
12197 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12198 (ix86_compute_frame_size): Likewise.
12199 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12200 (ix86_emit_restore_regs): Remove.
12201 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12202 when a frame pointer is in use.
12203 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12204 instead of pop to restore a register when profitable; emit leave
12206 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12207 as a TYPE_LEA insn.
12208 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12209 * i386.md (prologue_allocate_stack): Remove.
12210 (epilogue_deallocate_stack): Remove.
12211 (pro_epilogue_adjust_stack): New.
12213 2000-02-04 Richard Henderson <rth@cygnus.com>
12215 * function.c (diddle_return_value): Rework to use a callback function.
12216 Use current_function_return_rtx if it's been set up.
12217 (do_clobber_return_reg, clobber_return_register): New.
12218 (do_use_return_reg, use_return_register): New.
12219 (expand_function_end): Use them.
12220 * stmt.c (expand_null_return): Likewise.
12221 * function.h: Declare them.
12222 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12223 (mark_reg): Change arguments as appropriate for callback.
12224 * integrate.c (expand_inline_function): Revert 19 Jan change.
12226 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12228 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12229 (Misc): Say the scheduler, not the Haifa scheduler.
12231 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12233 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12234 when in_mem is set. Update all callers.
12236 2000-02-04 Richard Henderson <rth@cygnus.com>
12238 * i386/openbsd.h (INT_ASM_OP): Define.
12240 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12242 * tm.texi: Fix various typos.
12244 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12246 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12247 (MD_STARTFILE_PREFIX_1): New macro.
12249 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12251 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12252 destination when needed.
12253 (strmovsi, strsetsi): New expander.
12254 (strmovsi_1, strsetsi_1): New pattern.
12255 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12256 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12257 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12258 * invoke.texi (align-stringops, inline-all-stringops): Document.
12260 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12262 * i386/netbsd.h (INT_ASM_OP): Define.
12264 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12266 * cpplib.h (cpp_reader): Add new flag, no_directives.
12267 * cpphash.c (macarg): Set it.
12268 * cpplib.c (handle_directive): If no_directives is on and we
12269 find a directive, issue an error and discard the line.
12271 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12273 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12274 FP constants. Add ! TARGET_FPU check for FP constants.
12276 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12278 * flow.c (find_basic_blocks): Don't kill label_value_list
12280 (cleanup_cfg): Kill it here.
12282 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12284 * expr.c (store_field): Ensure ALIGN is no stricter than the
12287 2000-02-02 Richard Henderson <rth@cygnus.com>
12289 * jump.c (delete_insn): Partially revert 19 Jan change;
12290 don't convert unused code labels to notes at -O0.
12292 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12294 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12295 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12297 2000-02-01 Richard Henderson <rth@cygnus.com>
12299 * i386.c (general_no_elim_operand): New.
12300 (nonmemory_no_elim_operand): New.
12301 (ix86_expand_move): Copy eliminable operands before a push.
12302 * i386-protos.h: Declare new functions.
12303 * i386.h (CAN_ELIMINATE): Simplify.
12304 (PREDICATE_CODES): Update.
12305 * i386.md (push insns): Don't allow eliminable register operands.
12307 2000-02-01 Richard Henderson <rth@cygnus.com>
12309 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12310 replace BLKmode with DECL_RTL's mode.
12312 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12314 * frame.c (find_fde): Convert for loop to do-while so compiler
12315 sees it's always executed at least once.
12316 * libgcc2.c (BBINBUFSIZE): Kill.
12317 (__bb_init_prg): Use fgets.
12318 (__bb_exit_trace_func): Don't paste strings.
12319 * unroll.c (unroll_loop): Initialize unroll_type, not
12320 unroll_number, and tweak logic to match.
12322 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12324 (ix86_flags_dependant): Likewise. Disentangle control flow.
12325 (ix86_sched_reorder): Break guts out to
12326 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12327 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12330 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12331 use string concatenation. Don't save and restore esi.
12333 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12334 (machname.h): Remove script to separate file. Use two-step
12335 sequence so target is not created if script fails.
12336 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12337 identifiers are defined.
12338 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12339 an empty string, machine_name doesn't need to do anything at
12341 (is_cxx_header): Add more cases to regexp.
12342 * fixinc/fixlib.h: Update prototype.
12343 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12345 * fixinc/fixincl.c: Define NO_BOGOSITY.
12347 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12348 (hp_sysfile): Add missing comma.
12349 (math_exception): Put the wrapper ifdefs at the beginning and
12350 the end of the file.
12351 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12353 2000-02-01 Richard Henderson <rth@cygnus.com>
12355 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12356 Use CONST0_RTX. Update all callers.
12357 * sparc.h, sparc-protos.h: Update accordingly.
12358 * sparc.md (fp mov insns): Use fp_zero_operand directly
12361 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12363 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12366 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12368 * Makefile.in (specs.ready): New target.
12369 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12371 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12373 * fixinc.irix: Use unique filenames for writing into /tmp,
12374 * fixinc.ptx: Likewise.
12375 * fixinc.sco: Likewise.
12376 * fixinc.svr4: Likewise.
12377 * fixinc.winnt: Likewise.
12379 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12381 * tsystem.h: New file.
12383 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12384 s-crtS): Depend on tsystem.h.
12386 * crtstuff.c: Include tsystem.h.
12387 * frame.c: Likewise.
12388 * libgcc2.c: Likewise.
12390 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12392 * builtins.c (expand_builtin_memset): Expand for variable sized
12395 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12397 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12400 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12402 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12404 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12406 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12408 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12409 case 3->2 combining (combining with splitting) in which 2 is CC0
12410 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12411 checked at the begining of the function with the aid of calling
12412 function 'can_combine_p'.
12414 2000-01-31 Dave Brolley <brolley@redhat.com>
12416 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12418 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12420 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12423 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12425 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12427 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12430 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12432 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12433 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12434 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12435 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12436 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12437 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12438 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12439 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12440 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12441 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12443 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12444 Add %(cpp_cpu) to CPP_SPEC.
12446 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12447 Add %(cc1_cpu) to CC1_SPEC.
12449 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12451 * c-decl.c (c_decode_option): Accept optional numeric argument to
12452 -Wformat and set warn_format.
12453 * c-common.c: Don't emit warning about non-constant printf format
12454 string unless warn_format > 1.
12456 2000-01-30 Richard Henderson <rth@cygnus.com>
12458 * alpha.md (return_internal): Allow after reload only.
12460 2000-01-30 Richard Henderson <rth@cygnus.com>
12462 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12463 local frame size is zero.
12465 2000-01-30 Richard Henderson <rth@cygnus.com>
12467 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12468 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12469 * alpha.md (return): Turn into an expander.
12470 (return_internal): Don't use $26.
12471 (epilogue): Emit the return insn.
12473 2000-01-30 Richard Henderson <rth@cygnus.com>
12475 * alpha.md (negtf2, abstf2): Fix word order thinko.
12476 (extendsftf2): New.
12477 (trunctfsf2): Avoid intermediate rounding errors.
12479 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12481 * cppfiles.c (find_position): Drop 'colp' argument, return the
12483 (read_and_prescan): Adjust to match. Don't ever manipulate
12484 line or line_base except via find_position.
12486 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12488 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12489 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12492 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12494 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12495 just print "<command line>". If 'filename' is null or an
12496 empty string, print "<stdin>" for the filename.
12497 * cpplib.c (do_define): Don't print the 'location of the
12498 previous definition' message if we're still parsing the
12500 (cpp_pedwarn_with_file_and_line): Always call
12501 cpp_file_line_for_message.
12503 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12505 * flow.c (mark_regs_live_at_end): Fix typo.
12507 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12509 * c-common.c: Adjust variable names, comments, help strings to c99.
12510 * c-lex.c: Likewise.
12511 * c-parse.y: Likewise.
12512 * c-tree.h: Likewise.
12513 * cccp.c: Likewise.
12514 * cpplib.h: Likewise.
12515 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12516 * cppinit.c: Likewise.
12518 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12520 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12521 * c4x.c: Define the optab rtx values.
12522 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12523 (c4x_emit_libcall): Use new optab rtx values.
12524 (c4x_emit_libcall3): Likewise.
12525 (c4x_emit_libcall_mulhi): Likewise.
12526 * c4x-protos.h: Add prototypes for optab rtx values and change
12527 prototypes for above c4x_emit_libcall functions.
12529 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12531 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12533 (c4x_function_prologue): Use regnames intead of float_reg_names when
12535 (c4x_function_epilogue): Likewise.
12536 (c4x_print_operand): Likewise.
12537 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12538 * c4x.md (set_high): Disable for TARGET_TI.
12540 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12542 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12543 of framepointer + constant to ADDR_REGS class.
12544 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12545 * c4x.c (std_or_reg_operand): New function.
12546 * c4x-protos.h (std_or_reg_operand): Prototype it.
12548 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12550 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12551 object names as libgcc2.c.
12552 * libgcc.S: Use newly defined names.
12554 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12555 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12557 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12558 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12559 (FLOW_LOOP_LAST_BLOCK): Likewise.
12561 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12563 * basic-block.h (struct loop): New fields 'first' and 'last'.
12564 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12565 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12566 and loop->last to check for NOTE_INSN_LOOP_END.
12568 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12570 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12571 of the loop descriptor rather than HEADER and LATCH. Also added
12572 missing break statements as well making some coding style modifications
12573 as suggested by Michael Hayes.
12575 2000-01-28 Richard Henderson <rth@cygnus.com>
12577 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12578 Break out that code ...
12579 (cleanup_cfg): ... here.
12580 (commit_one_edge_insertion): Detect a return instruction being
12581 emitted to an edge. Emit a barrier following; clear fallthru.
12582 (commit_edge_insertions): Verify CFG consistency.
12583 * function.c (expand_function_start): Kill unused variable.
12584 (expand_function_end): Likewise.
12585 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12586 to insert the epilogue.
12588 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12589 (delete_null_pointer_checks): Likewise.
12590 * output.h: Likewise.
12591 * reg-stack.c (reg_to_stack): Likewise.
12592 * toplev.c (rest_of_compilation): Likewise. Run
12593 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12595 2000-01-28 Richard Henderson <rth@cygnus.com>
12597 * Makefile.in (flow.o): Revert 24 Jan change.
12598 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12599 FUNCTION_VALUE result to DECL_RESULT's mode.
12601 * haifa-sched.c (schedule_insns): Don't recompute reg info
12604 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12606 * configure.in: Make --enable-cpplib the default.
12607 * configure: Regenerate.
12608 * gcc.dg/990119-1.c: No longer expected to fail.
12610 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12612 * jump.c (jump_optimize_1): Delete an optimization that is also done
12613 by merge_blocks in flow.
12615 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12617 * diagnostic.c (build_message_string, output_printf,
12618 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12619 (build_location_prefix): Fix non-literal format string.
12621 2000-01-27 Richard Henderson <rth@cygnus.com>
12623 * alpha.md (trunctfsf2): New.
12625 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12627 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12629 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12631 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12633 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12635 (skip_comment) ... here. Permit C++ comments in system
12636 headers always. Warn about C++ comments in user code under
12637 -std=gnu89 -pedantic.
12638 (copy_comment): Use skip_comment.
12639 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12641 (consider_directive_while_skipping, do_else, do_endif): Call
12642 validate_else unconditionally.
12643 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12644 text after the conditional in a system header.
12645 * cpplib.h (struct cpp_buffer): Add flag
12646 warned_cplusplus_comments.
12648 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12650 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12651 Use unshare_all_rtl_1.
12652 (unshare_all_rtl_again): New function.
12653 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12655 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12656 rather than resetting the 'used' flags ourself.
12658 * toplev.c (rest_of_compilation): Add current_function_decl
12659 to the unshare_all_rtl call.
12660 * tree.h: Prototype unshare_all_rtl.
12661 * rtl.h: Prototype unshare_all_rtl_again here.
12663 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12665 * genoutput.c (output_prologue): Include ggc.h in generated
12667 * Makefile.in (insn-output.o): Depends on ggc.h.
12669 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12670 Hans-Peter Nilsson <hp@bitrange.com>
12672 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12673 Remove redundant include of xm-ns32k.h.
12674 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12675 Remove redundant include of xm-ns32k.h.
12676 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12677 Remove redundant include of xm-ns32k.h.
12678 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12680 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12681 (TARGET_SWITCHES): Add documentation strings.
12682 (DWARF_FRAME_REGNUM): Override default definition.
12683 (REG_CLASS_CONTENTS): Add comments.
12684 (SUBSET_P): Format to reduce line length.
12685 (SMALL_REGISTER_CLASSES): Make a run time option.
12686 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12687 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12688 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12689 (regclass_map): fix typo in comment.
12690 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12691 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12692 (trace, reg_or_mem_operand): Delete, unused function.
12693 (calc_address_cost): Small offsets are cheaper than large ones.
12694 (expand_block_move): Generate more efficient code when bytes is a
12695 known at compile time.
12696 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12697 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12698 instead of reg_or_mem_operand.
12700 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12701 not general_operand. Similarly use "=rm" or stricter, not "=g".
12702 For input operands, use stricter constraints than "g" if not
12703 general_operand. Similarly use stricter predicate than
12704 "general_operand" when stricter constraints than "g" are present,
12705 except for matching constraints.
12706 (movstrsi): Use "memory_operand" for operands 0 and 1.
12707 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12708 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12709 not reg_or_mem_operand.
12710 (udivmoddisi4): Ditto.
12711 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12712 Use nonimmediate_operand for operand 3, not register_operand.
12713 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12714 reg_or_mem_operand.
12716 2000-01-27 Fred Fish <fnf@be.com>
12718 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12719 * gthr-single.h: Likewise.
12720 * gthr-solaris.h: Likewise.
12721 * gthr-vxworks.h: Likewise.
12722 * gthr-win32.h: Likewise.
12723 * gthr.h: Likewise.
12725 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12727 * cppinit.c: Add " (cpplib)" to end of string printed by
12730 2000-01-27 Richard Henderson <rth@cygnus.com>
12732 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12733 testing for a signed comparison.
12734 (alpha_emit_floatuns): New.
12735 * alpha-protos.h: Declare it.
12736 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12737 (extendsfdf2): Tidy.
12739 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12741 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12742 no -g option specifying debugging format, default to -gstabs+.
12744 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12746 * calls.c (special_function_p): New argument fork_or_exec.
12747 (expand_call): When profile_arc_flag is set and the function
12748 is in the fork_or_exec group, call __bb_fork_func first.
12749 * libgcc2.c, _bb module (__bb_fork_func): New function.
12750 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12752 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12753 * tree.h (special_function_p): Update prototype.
12755 2000-01-26 Richard Henderson <rth@cygnus.com>
12757 * alpha.c (alpha_split_tfmode_pair): New.
12758 * alpha-protos.h: Declare it.
12759 * alpha.md (abstf2, negtf2): New.
12760 (movtf insn): Add input G constraint.
12761 (movtf splitter): Use alpha_split_tfmode_pair.
12763 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12765 * i386/cygwin.h: PROTO -> PARAMS.
12767 2000-01-26 Jakub Jelinek <jakub@redhat.com>
12769 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
12770 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
12771 using _Qp_cmp/_Q_cmp and testing the return value.
12772 (print_operand): Call reverse_condition_maybe_unordered if
12773 we are handling CCFPmode or CCFPEmode.
12774 Handle ORDERED, UN* and LTGT comparisons.
12775 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
12776 if not TARGET_HARD_QUAD.
12777 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
12778 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
12779 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
12780 Adjust gen_b* calls so that they reflect return comparison of
12781 sparc_emit_float_lib_cmp.
12783 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12785 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
12786 incoming operands array is large enough for one more operand.
12787 (alpha_emit_xfloating_arith): Likewise.
12789 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12791 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
12792 file with one line and no trailing newline.
12793 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
12794 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
12795 checking if the match is on the line.
12796 * fixinc/gnu-regex.c: Provide regerror not __regerror.
12798 2000-01-25 Richard Henderson <rth@cygnus.com>
12800 * sparc.c (output_cbranch): Fix accidental squashing of the
12801 fp branch pre-delay nop.
12803 2000-01-25 Richard Henderson <rth@cygnus.com>
12805 * tree.def (UNNE_EXPR): Remove.
12806 * c-typeck.c (build_binary_op): Don't handle it.
12807 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
12809 * rtl.def (UNNE): Remove.
12811 * jump.c (reverse_condition): Update accordingly.
12812 (swap_condition): Likewise.
12813 (comparison_dominates_p): Handle unordered comparisons.
12814 (reverse_condition_maybe_unordered): New.
12815 * rtl.h (reverse_condition_maybe_unordered): Declare.
12817 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
12818 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
12819 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
12820 * sparc.md (bltgt): New.
12822 2000-01-25 Nick Clifton <nickc@redhat.com>
12824 * emit-rtl.c (emit_insn): Only check machine class insns for
12825 improper emission of a RETURN.
12827 2000-01-25 Richard Henderson <rth@cygnus.com>
12829 * Makefile.in (flow.o): Depend on $(EXPR_H).
12830 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
12831 duplicate the structure of diddle_return_value for keeping regs live.
12833 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12835 * loop.c (current_loop_info): Delete.
12836 (consec_sets_invariant_p): Add loop argument, update callers.
12837 (get_condition_for_loop): Likewise.
12838 (count_nonfixed_reads, update_giv_derive): Likewise.
12839 (simplify_giv_expr, general_induction_var): Likewise.
12840 (consec_sets_giv, recombine_givs): Likewise.
12841 (move_movables): Delete loop_start and loop_end arguments,
12842 add loop argument, and update callers.
12843 (find_mem_givs, check_final_value): Likewise.
12844 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
12845 (loop_invariant_p): Rename from invariant_p, add loop argument, and
12847 (basic_induction_var): Add loop argument, delete loop_level argument,
12848 and update callers.
12849 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
12850 add loop argument, and update callers.
12851 (find_splittable_regs, find_splittable_givs): Likewise.
12852 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
12853 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
12854 (biv_total_increment): Delete loop_start and loop_end arguments;
12856 (precondition_loop_p): Delete loop_start and loop_info arguments;
12858 * loop.h (get_condition_for_loop): Add loop argument.
12859 (biv_total_increment): Delete loop_start and loop_end arguments.
12860 (precondition_loop_p): Delete loop_start and loop_info arguments;
12862 (final_biv_value): Delete loop_start and loop_end arguments;
12864 (final_giv_value, back_branch_in_range_p): Likewise.
12866 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12868 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
12870 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
12872 * Makefile.in (c-gperf.h) : Change the "See" pointer to
12873 point to the new "generated_files" doc.
12875 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12877 * config/fp-bit.c (_unord_f2): Fix typo.
12879 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12881 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
12882 c-typeck.c, objc/objc-act.c: Remove all references to obstack
12883 functions obsoleted by GC, such as push_obstacks_nochange,
12884 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
12885 and code which existed only to decide whether or not to call
12886 them. Remove now-unused NESTED argument from start_function;
12887 all callers changed. Do not change behavior based on ggc_p.
12888 The use of the ixp_obstack in c-iterate.c and the util_obstack
12889 in objc/objc-act.c remain; these are not obsoleted by garbage
12891 * c-tree.h: Update prototype for start_function.
12893 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
12895 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
12897 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
12900 2000-01-25 Richard Henderson <rth@cygnus.com>
12902 * sparc-protos.h (select_cc_mode): Declare.
12903 * sparc.c (select_cc_mode): New. Handle unordered compares.
12904 (output_cbranch): Always reverse via code change. Handle
12905 unordered compares. Factor tests and string updates.
12906 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
12907 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
12908 * sparc.md (bunordered, bordered): New.
12909 (bungt, bunlt, buneq, bunge, bunle): New.
12911 2000-01-25 Richard Henderson <rth@cygnus.com>
12913 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
12914 * ggc-common.c (ggc_add_rtx_varray_root): New.
12915 (ggc_mark_rtx_varray): New.
12916 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
12917 functions down below ggc_mark_foo.
12918 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
12920 2000-01-25 Richard Henderson <rth@cygnus.com>
12922 * alpha.c (secondary_reload_class): Don't allocate a secondary
12923 for integral mode memories into FLOAT_REGS. Rearrange the more
12924 complicated memory expression inward.
12926 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
12928 * inclhack.def: Fixes to play nicer with FreeBSD, and
12929 corrections to comments.
12930 (cxx_unready): Add select expression.
12931 (irix_sockaddr): Add bypass expression.
12932 (machine_ansi_h_va_list): New fix.
12933 (stdio_va_list): No need to edit _BSD_VA_LIST_.
12934 Split out addition of "#include <stdarg.h>" to...
12935 (stdio_stdarg_h): ... here.
12936 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
12937 to stdlib.h also. Do not munge _BSD_SIZE_T_.
12938 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
12940 (ultrix_ifdef): Tighten up select expression.
12942 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
12943 re_ct and max_mach to avoid use of shell. Make printed names
12944 match names in inclhack.def. Use static copyright date.
12945 Don't count c_test and test expressions as requiring regex_t
12946 slots. Add some commentary.
12947 * inclhack.tpl: Do not include the 'This script contains N
12948 fixup scripts' line if PROGRAM is defined. Use static
12951 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
12953 * dwarf2out.c: include "varray.h", not dyn-string.h.
12954 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
12955 (addr_const_to_string, addr_to_string): Lose.
12956 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
12957 (struct dw_val_struct): val_addr is now an rtx.
12958 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
12959 (used_rtx_varray): New varray.
12960 (dwarf2out_init): Initialize it.
12961 (save_rtx): New fn.
12962 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
12964 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
12965 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
12966 * Makefile.in (dwarf2out.o): Update dependencies.
12968 2000-01-24 Richard Henderson <rth@cygnus.com>
12970 * i386.c (i386_dwarf_output_addr_const): New.
12971 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
12973 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
12975 * dwarfout.c (output_mem_loc_descriptor): Likewise.
12976 * i386.c (i386_simplify_dwarf_addr): New.
12977 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
12979 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
12981 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
12982 TYPE_STUB_DECL is NULL.
12984 2000-01-24 Richard Henderson <rth@cygnus.com>
12986 * builtins.c (expand_tree_builtin): Move ...
12987 * c-common.c (expand_tree_builtin): ... here.
12989 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12991 * loop.h (LOOP_INFO): New accessor macro.
12992 * basic-block.h (struct loop): Rename field `info' to `aux'.
12993 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
12994 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
12995 * unroll.c (loop_iterations, unroll_loop): Likewise.
12997 2000-01-24 Christopher Faylor <cgf@cygnus.com>
12999 * config/i386/t-cygwin: Accomodate new winsup directory layout
13000 when searching for include files.
13002 2000-01-24 Richard Henderson <rth@cygnus.com>
13004 * rtl.def: Add unordered fp comparisions.
13005 * tree.def: Likewise.
13006 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13008 * builtins.c (expand_tree_builtin): New function.
13009 * c-typeck.c (build_function_call): Use it.
13010 (build_binary_op): Support unordered compares.
13011 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13013 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13014 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13015 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13016 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13017 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13019 (swap_condition): Handle unordered compares.
13020 (thread_jumps): Check can_reverse before reversing.
13021 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13024 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13025 setcc is present before acking for cmp_optab. Update all callers.
13026 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13027 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13028 * expr.c (expand_expr): Likewise. Support unordered compares.
13029 (do_jump, do_store_flag): Likewise.
13030 * expr.h (enum libfunc_index): Add unordered compares.
13032 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13033 (DPBIT_FUNCS): Add _unord_df.
13034 * config/fp-bit.c (_unord_f2): New.
13035 * fp-test.c (main): Try unordered compare builtins.
13037 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13038 * alpha.c (alpha_comparison_operator): Check mode properly.
13039 (alpha_swapped_comparison_operator): Likewise.
13040 (signed_comparison_operator): Likewise.
13041 (alpha_fp_comparison_operator): New.
13042 (alpha_emit_conditional_branch): Handle unordered compares.
13043 * alpha.h (PREDICATE_CODES): Update.
13044 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13045 (bunordered, bordered): New.
13047 2000-01-24 Richard Henderson <rth@cygnus.com>
13049 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13050 * alpha.md (movtf): New expander, insn, and splitter.
13052 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13054 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13057 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13059 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13060 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13061 REG_ALLOC_ORDER): Add frame pointer
13062 (FRAME_POINTER_REGNUM): Set to 20
13063 (HARD_FRAME_POINTER_REGNUM): New macro.
13064 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13065 to HARD_FRAME_POINTER.
13066 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13067 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13068 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13069 (HI_REGISTER_NAMES): Add "frame".
13070 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13071 (debug_reg): Handle FRAME_POINTER_REGNUM.
13072 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13073 GENERAL_REGS and INDEX_REGS.
13074 * i386.c (SAVED_REGS_FIRST): new macro.
13075 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13076 (ix86_decompose_address, memory_address_length): Likewise.
13077 (regclass_map): Add frame pointer.
13078 (call_insn_operand): Handle frame_pointer_rtx.
13079 (reg_no_sp_operand): Likewise.
13080 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13081 (print_operand, legitimize_pic_address): Fix formating.
13082 (ix86_compute_frame_size): Make static, update prototype, new
13083 parameters padding1, padding2, use ix86_nsaved_regs, use
13084 stack_alignment_needed.
13085 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13086 to HARD_FRAME_POINTER_REGNUM conversions.
13087 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13088 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13089 (print_reg): Abort on FRAME_POINTER_REGNUM
13091 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13093 * i386.h (PREDICATE_CODES): Add aligned_operand.
13094 * i386.c (aligned_operand): New function.
13095 (ix86_aligned_p): Kill.
13096 * i386.md (movhi_1): Emit mov for aligned operands.
13097 (promoting peep2s): Use aligned_operand.
13099 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13101 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13102 expression to allow underscores in macro names.
13103 (fix_char_macro_defines): Increment scanning pointer.
13105 2000-01-23 Richard Henderson <rth@cygnus.com>
13107 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13108 * alpha/osf5.h: New file.
13109 * configure.in (alpha-*-osf5): Add it to tm_file.
13111 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13113 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13114 (alpha_emit_xfloating_cvt, function_arg): Declare.
13115 * alpha.c (alpha_emit_conditional_branch): Call
13116 alpha_emit_xfloating_compare for TFmode compares.
13117 (alpha_lookup_xfloating_lib_func): New.
13118 (alpha_compute_xfloating_mode_arg): New.
13119 (alpha_emit_xfloating_libcall): New.
13120 (alpha_emit_xfloating_arith): New.
13121 (alpha_emit_xfloating_compare): New.
13122 (alpha_emit_xfloating_cvt): New.
13123 (print_operand): Add default abort case.
13124 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13125 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13126 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13127 (RETURN_IN_MEMORY): True for TF/TCmode.
13128 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13129 (FUNCTION_ARG): Move to function_arg.
13130 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13131 (ASM_OUTPUT_LONG_DOUBLE): New.
13132 (ASM_OUTPUT_DOUBLE): Always output bits.
13133 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13134 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13135 (extenddftf2, trunctfdf2): New.
13137 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13139 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13140 * config/sparc/sol2.h: ... here.
13142 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13144 * basic-block.h (struct loops): New field `levels'.
13145 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13146 (flow_loop_level_compute): Initialise level to 1.
13147 (flow_loops_find): Set loops->levels.
13148 (flow_loops_dump): Print loops->levels.
13150 2000-01-23 Richard Henderson <rth@cygnus.com>
13152 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13153 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13155 2000-01-23 Richard Henderson <rth@cygnus.com>
13157 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13158 * i386.h (DBX_REGISTER_NUMBER): Use them.
13159 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13160 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13161 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13162 * i386/sequent.h: Kill incorrect comment.
13164 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13166 * ggc-page.c (struct page_entry): Make `context_depth' an
13168 (struct globals): Likewise.
13170 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13172 * loop.c (check_dbra_loop): When checking a loop for
13173 reversability, check the source of any stores to ensure
13174 they don't depend on an initial value.
13176 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13178 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13180 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13182 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13183 'pz_scan' into scope of entire function. Only affects
13184 compiles with -DDEBUG.
13186 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13188 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13189 section naming to that prior to 2000-01-07 patch.
13190 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13191 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13192 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13193 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13194 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13196 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13198 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13201 2000-01-21 Jim Wilson <wilson@cygnus.com>
13203 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13204 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13206 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13208 * cpphash.c (change_newlines): Delete function.
13209 (struct argdata): Delete 'newlines' and 'use_count' fields.
13210 (macroexpand): Remove code referencing those fields.
13212 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13214 * loop.c (loops_info): New variable.
13215 (loop_optimize): Allocate loops->array and free it on exit.
13216 Allocate memory for loops_info and assign to each loop,
13218 (find_and_verify_loops): Do not allocate loops->array.
13220 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13222 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13224 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13226 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13227 pseudos if expanded after first flow.
13228 (movdi_pic_label_ref): Likewise.
13230 2000-01-20 Richard Henderson <rth@cygnus.com>
13232 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13234 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13236 * Makefile.in (fixinc.sh): Depend on specs.
13237 * fixinc/Makefile.in: Add rule to create machname.h.
13238 (fixlib.o): Depend on machname.h.
13239 * fixinc/fixtests.c (machine_name): New test.
13240 * fixinc/fixfixes.c (machine_name): New fix.
13241 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13242 the machine_name test and fix.
13243 * fixinc/fixlib.h: Prototype it.
13244 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13245 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13247 * gcc.c (do_spec_1) [case P]: Take care not to create
13248 identifiers with three leading or trailing underscores.
13250 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13251 (fixincl): Don't specify libraries twice on link line.
13252 (gnu-regex.o): Remove special rule.
13253 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13254 defined by config.h. Do not define _REGEX_RE_COMP.
13255 (regcomp): Allocate and initialize a fastmap.
13256 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13258 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13260 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13262 2000-01-19 Richard Henderson <rth@cygnus.com>
13264 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13265 arguments with BB. Update all callers. Tidy line wrapping.
13267 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13269 * emit-rtl.c (try_split): Return last_insn if we split the
13272 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13274 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13275 (ix86_initial_elimination_offset): Declare.
13276 * i386.c (ix86_nsaved_regs): Break out from ...
13277 (ix86_can_use_return_insn_p): ... here.
13278 (ix86_emit_save_regs): Break out from ...
13279 (ix86_expand_prologue): ... here.
13280 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13282 (ix86_expand_epilogue): ... here.
13283 (ix86_compute_frame_size): Make static, add prototype.
13284 (ix86_initial_elimination_offset): Break out from ...
13285 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13287 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13289 * recog.h (OUT_FCN): Delete.
13291 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13293 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13295 * cppalloc.c: PROTO -> PARAMS.
13296 * cpperror.c: Likewise.
13297 * cppfiles.c: Likewise.
13298 * cpplib.c: Likewise.
13299 * cpplib.h: Likewise.
13301 * config/arm/arm-protos.h: PROTO -> PARAMS.
13302 * config/arm/arm.c: Likewise.
13303 * config/c4x/c4x.c: Likewise.
13304 * config/fr30/fr30-protos.h: Likewise.
13305 * config/nextstep.c: Likewise.
13306 * config/pa/pa.c: Likewise.
13307 * config/pj/pj.c: Likewise.
13308 * config/rs6000/rs6000.c: Likewise.
13309 * config/v850/v850-protos.h: Likewise.
13310 * config/v850/v850.c: Likewise.
13312 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13314 * i370-protos.h: New file.
13316 * i370.c: Include tm_p.h. Fix compile time warnings.
13318 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13321 * i370.md: Likewise.
13323 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13325 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13326 (target_isinf, target_isnan, eisnan): Mark parameter with
13328 (eiisinf): Wrap in INFINITY.
13329 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13330 (ibmtoe): Remove unused variable `rndsav'.
13332 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13334 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13335 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13337 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13339 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13340 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13341 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13343 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13344 Recognize Emacs mode markers also.
13345 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13346 C++ comments in C++ headers. Call is_cxx_header only if
13349 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13350 bypass for ncurses.
13351 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13352 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13353 ... these, which use the new C fixes.
13354 (math_exception): Escape literal '+' in bypass expression.
13356 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13359 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13361 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13364 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13366 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13367 prior to calling scan_loop.
13369 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13371 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13372 (split_branches, calc_live_regs): Likewise.
13374 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13376 * sh.md (fpu_single, fp_mode): New attributes.
13378 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13380 * loop.c (current_loop_info): Renamed from loop_info_data
13381 and changed to a pointer.
13382 (loop_optimize): Allocate loop_info structure for each loop
13383 and initialise to zero.
13384 (scan_loop): Set current_loop_info.
13386 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13389 2000-01-19 Richard Henderson <rth@cygnus.com>
13391 * stupid.c: Die die die.
13392 * Makefile.in (OBJS): Remove stupid.o.
13393 (stupid.o): Likewise.
13395 * except.c (emit_eh_context): Don't emit USEs for stupid.
13396 * explow.c (probe_stack_range): Likewise.
13397 * flags.h (obey_regdecls): Remove.
13398 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13399 when not optimizing.
13400 (life_analysis): Limit data collection when not optimizing.
13401 (mark_regs_live_at_end): Always mark the return value registers.
13402 (mark_used_regs): Remove dummy RETURN case.
13403 (print_rtl_with_bb): Don't consult obey_regdecls.
13404 * function.c (use_variable, use_variable_after): Remove.
13405 (assign_parms): Consult optimize not obey_regdecls.
13406 (expand_function_start): Don't emit USEs for stupid.
13407 (expand_function_end): Likewise.
13408 * global.c (build_insn_chain): Export.
13409 * integrate.c (expand_inline_function): Kill return-value USE
13411 * jump.c (jump_optimize_1): Do simple jump optimizations and
13412 dead code elimination.
13413 (calculate_can_reach_end): Remove check_deleted argument.
13414 (delete_insn): Patch out insns even when not optimizing.
13415 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13416 * rtl.h (use_variable, use_variable_after): Remove declarations.
13417 (build_insn_chain): Declare.
13418 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13419 (expand_end_bindings): Likewise.
13420 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13421 * toplev.c (obey_regdecls): Remove.
13422 (rest_of_compilation): Don't set it. Kill stupid in favour of
13423 flow1, local-alloc, and reload.
13424 (main): Don't set obey_regdecls.
13426 * config/nextstep.c (handle_pragma): Likewise.
13428 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13430 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13432 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13434 * alpha-protos.h: PROTO -> PARAMS.
13435 * alpha.c: Likewise.
13437 * h8300.c: Likewise.
13438 * i386-protos.h: Likewise.
13439 * i386.c: Likewise.
13440 * m32r-protos.h: Likewise.
13441 * m32r.c: Likewise.
13442 * mips.c: Likewise.
13443 * mips.md: Likewise.
13444 * gmon-sol2.c: Likewise.
13445 * sparc.c: Likewise.
13447 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13449 * ns32k-protos.h: New file.
13451 * ns32k.c: Fix compile time warnings.
13453 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13456 * ns32k.md: Likewise.
13458 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13460 * vax-protos.h: New file.
13462 * vax.c: Fix compile time warnings.
13464 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13467 * vax.md: Likewise.
13469 * vaxv.md: Likewise.
13471 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13473 * romp-protos.h: New file.
13475 * romp.c: Fix compile time warnings.
13477 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13480 * romp.md: Likewise.
13482 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13484 * we32k-protos.h: New file.
13486 * we32k.c: Fix compile time warnings.
13488 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13491 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13493 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13495 * except.c (eh_regs): Likewise.
13497 * final.c (output_operand): Likewise.
13499 * fold-const.c (target_isinf, target_isnan): Likewise.
13501 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13503 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13504 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13506 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13507 when optimize_size.
13508 (clrstrsi): Rewrite.
13509 (strsethi, strsetqi): New expanders.
13510 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13511 (cmpstrsi): Emit compare insn before cmpstrsi_1
13512 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13513 (strlensi_1): Likewise.
13514 (cmpstrsi_1): Likewise; do not output compare.
13515 (strlen expander): Do not unroll when optimizing for size.
13516 (*subsi3_carry): Rename to subsi3_carry
13517 (addqi3_cc): New pattern.
13518 * i386.h (processor_costs): Add move_ratio field.
13519 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13520 * i386.c (*_cost): Set move_ratio.
13521 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13522 (x86_expand_strlensi_1): Rewrite the main loop.
13524 2000-01-17 Richard Henderson <rth@cygnus.com>
13526 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13527 * cse.c (find_comparison_args, fold_rtx): Likewise.
13528 * integrate.c (subst_constants): Likewise.
13529 * loop.c (get_condition): Likewise.
13531 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13533 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13535 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13537 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13538 (RESTORE_WARN_FLAGS): Unpack it.
13539 Change semantic type of extension to ttype.
13540 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13541 * c-parse.y, c-parse.c, objc/objc-parse.y,
13542 objc/objc-parse.c: Regenerate.
13544 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13546 * fixinc/fixlib.c: Add copyright notice.
13547 (compile_re): New function.
13548 * fixinc/fixlib.h: Prototype compile_re.
13550 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13551 Use compile_re to compile regular expressions.
13553 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13554 where the pattern matched.
13556 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13558 (ultrix_ansi_compat): Likewise.
13559 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13561 (interactv_add2, interactv_add3): Delete.
13562 (x11_sprintf): Don't use filename glob.
13563 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13566 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13568 * print-rtl.c: PROTO -> PARAMS.
13569 * real.c: Likewise.
13570 * reg-stack.c: Likewise.
13571 * resource.c: Likewise.
13572 * sdbout.h: Likewise.
13573 * simplify-rtx.c: Likewise.
13574 * stor-layout.c: Likewise.
13575 * stupid.c: Likewise.
13576 * xcoffout.c: Likewise.
13577 * xcoffout.h: Likewise.
13579 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13581 * toplev.c: PROTO -> PARAMS.
13582 * toplev.h: Likewise.
13583 * tree.c: Likewise.
13584 * tree.h: Likewise.
13585 * unroll.c: Likewise.
13586 * varasm.c: Likewise.
13587 * varray.c: Likewise.
13588 * varray.h: Likewise.
13590 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13592 * reload.c: PROTO -> PARAMS.
13593 * reload.h: Likewise.
13594 * reload1.c: Likewise.
13595 * reorg.c: Likewise.
13596 * resource.h: Likewise.
13599 * rtlanal.c: Likewise.
13600 * sbitmap.h: Likewise.
13601 * sdbout.c: Likewise.
13602 * stack.h: Likewise.
13603 * stmt.c: Likewise.
13604 * system.h: Likewise.
13606 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13608 * machmode.h: PROTO -> PARAMS.
13609 * mbchar.h: Likewise.
13610 * mips-tdump.c: Likewise.
13611 * mips-tfile.c: Likewise.
13612 * optabs.c: Likewise.
13613 * output.h: Likewise.
13614 * prefix.c: Likewise.
13615 * profile.c: Likewise.
13616 * protoize.c: Likewise.
13617 * real.h: Likewise.
13618 * recog.c: Likewise.
13619 * recog.h: Likewise.
13620 * regclass.c: Likewise.
13621 * regmove.c: Likewise.
13622 * regs.h: Likewise.
13624 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13626 * ggc-common.c: PROTO -> PARAMS.
13627 * ggc-page.c: Likewise.
13628 * ggc-simple.c: Likewise.
13630 * global.c: Likewise.
13631 * graph.c: Likewise.
13632 * gthr-win32.h: Likewise.
13633 * haifa-sched.c: Likewise.
13634 * halfpic.h: Likewise.
13635 * integrate.c: Likewise.
13636 * integrate.h: Likewise.
13637 * jump.c: Likewise.
13639 * local-alloc.c: Likewise.
13640 * loop.c: Likewise.
13641 * loop.h: Likewise.
13643 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13645 * genattr.c: PROTO -> PARAMS.
13646 * genattrtab.c: Likewise.
13647 * gencheck.c: Likewise.
13648 * gencodes.c: Likewise.
13649 * genconfig.c: Likewise.
13650 * genemit.c: Likewise.
13651 * genextract.c: Likewise.
13652 * genflags.c: Likewise.
13653 * gengenrtl.c: Likewise.
13654 * genopinit.c: Likewise.
13655 * genoutput.c: Likewise.
13656 * genpeep.c: Likewise.
13657 * genrecog.c: Likewise.
13659 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13661 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13663 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13665 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13666 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13667 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13668 * configure, config.in: Rebuilt.
13670 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13672 * config/i386/i386.md: Add peephole to merge successive stack
13675 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13677 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13678 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13679 when walking backwards to find all the parameter loads when
13680 the basic block ends in a call.
13682 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13684 * loop.c (this_loop_info): Delete.
13685 (uid_loop): Add in place of uid_loop_num. All uses updated.
13686 (loop_number_exit_count): Delete and replace with entry in loop
13687 structure. All uses updated.
13688 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13689 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13690 (loop_outer_loop): Likewise.
13691 (loop_invalid, loop_number_exit_labels): Likewise.
13692 (loop_used_count_register): Delete and replace with entry in
13693 loop_info structure.
13694 (find_and_verify_loops): Add loops argument.
13695 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13696 loop_end, etc. arguments with loop structure pointer. All callers
13698 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13699 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13700 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13701 (insert_bct): Likewise.
13702 (basic_induction_var): New argument level.
13703 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13704 vtop, and cont. Add used_count_register.
13705 (uid_loop): Delete declaration.
13706 (loop_number_exit_count): Likewise.
13707 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13708 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13709 (loop_outer_loop, loop_used_count_register): Likewise.
13710 (loop_invalid, loop_number_exit_labels): Likewise.
13711 (unroll_loop): Replace loop_start and loop_end arguments
13712 with loop structure pointer.
13713 (loop_precondition_p, loop_iterations): Likewise.
13714 Include basic-block.h.
13715 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13716 with loop structure pointer.
13717 (loop_precondition_p, loop_iterations): Likewise.
13718 * basic-block.h (struct loop): New entries vtop, cont,
13719 cont_dominator, start, end, top, scan_start, exit_labels,
13721 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13723 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13725 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13727 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13729 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13731 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13733 * pdp11-protos.h: New file.
13735 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13738 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13741 * pdp11.md: Likewise.
13743 * 2bsd.h: Likewise.
13745 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13747 * mn10300-protos.h: New file.
13749 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13752 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13755 * mn10300.md: Likewise.
13757 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13759 * mn10200-protos.h: New file.
13761 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13764 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
13767 * mn10200.md: Likewise.
13769 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13771 * h8300-protos.h: New file.
13773 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
13776 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
13779 * h8300.md: Likewise.
13781 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13783 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
13784 (asm_emit_uninitialised): Likewise.
13786 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
13788 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
13789 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
13791 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13793 * config/mips/mips.c (override_options): Don't turn on extra
13794 alignment for mips16.
13796 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13798 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
13799 eabi, and make sure queued POSTINCREMENT rtl is emitted at
13802 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13804 * builtins.c (PAD_VARARGS_DOWN): Define.
13805 (std_expand_builtin_va_arg): Use the above macro.
13806 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
13807 * tm.texi (Register Arguments): Document the above macro.
13809 2000-01-14 Nick Clifton <nickc@cygnus.com>
13811 * emit-rtl.c (emit_insn): If checking is enabled, make sure
13812 that this function has not been used to emit a jump
13815 * jump.c (return_jump_1): Cope with being passed a null rtx.
13817 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13819 * eh-common.h: PROTO -> PARAMS.
13820 * emit-rtl.c: Likewise.
13821 * errors.c: Likewise.
13822 * errors.h: Likewise.
13823 * except.c: Likewise.
13824 * except.h: Likewise.
13825 * explow.c: Likewise.
13826 * expmed.c: Likewise.
13827 * expr.c: Likewise.
13828 * expr.h: Likewise.
13829 * final.c: Likewise.
13830 * fix-header.c: Likewise.
13831 * flow.c: Likewise.
13832 * fold-const.c: Likewise.
13833 * function.c: Likewise.
13834 * function.h: Likewise.
13836 * gcov-io.h: Likewise.
13837 * gcov.c: Likewise.
13838 * gcse.c: Likewise.
13840 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13842 * sh-protos.h: New file.
13844 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
13845 Add static prototypes. Fix compile time warnings.
13847 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
13851 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13853 * arc-protos.h: New file.
13855 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
13858 * arc.h: Move prototypes to arc-protos.h. Fix compile time
13861 * arc.md: Likewise.
13863 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13865 * dsp16xx-protos.h: New file.
13867 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
13870 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
13873 * dsp16xx.md: Likewise.
13875 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13877 * convex-protos.h: New file.
13879 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
13882 * convex.h: Move prototypes to convex-protos.h. Fix compile time
13885 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13887 * elxsi-protos.h: New file.
13889 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
13892 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
13895 * elxsi.md: Likewise.
13897 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
13899 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
13900 case for moving from HI/LO/HI_LO_REG. This makes the behavior
13901 match the comment for MIPS16.
13903 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
13905 * flow.c (split_edge): Do not call set_block_for_insn if we
13906 do not have a basic_block_for_insn structure.
13908 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
13909 and destination functions are 32bit aligned within the trampoline.
13910 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
13911 (TRAMPOLINE_ALIGNMENT): Define.
13913 * cse.c (cse_insn): When changing (set (pc) (reg)) to
13914 (set (pc) (label_ref)), verify the change creates a valid insn.
13916 * fr30.c (call_operand): Tighten and rework to match rules for
13917 call RTL expressions.
13918 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
13919 * fr30.md (call patterns): Improve constraints.
13921 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
13923 * fr30.c (fr30_expand_epilogue): Revert last change.
13924 Use emit_jump_insn for the return insn.
13926 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
13927 Stan Cox <scox@cygnus.com>
13929 * predict.c: New file. Preliminary infrastructure work for static
13930 branch prediction and basic block reordering.
13931 * basic-block.h: Add prototype for estimate_probability.
13932 * Makefile.in: Add rules for predict.o.
13934 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
13936 * fixincludes (va_list): Use __not_va_list__ for the dummy.
13937 * fixinc/*: Likewise.
13939 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13941 * cccp.c: PROTO -> PARAMS.
13942 * cexp.y: Likewise.
13943 * collect2.c: Likewise.
13944 * combine.c: Likewise.
13945 * convert.h: Likewise.
13947 * dbxout.c: Likewise.
13948 * dbxout.h: Likewise.
13949 * diagnostic.c: Likewise.
13950 * doprint.c: Likewise.
13951 * dwarf2out.c: Likewise.
13952 * dwarf2out.h: Likewise.
13953 * dwarfout.c: Likewise.
13954 * dwarfout.h: Likewise.
13955 * dyn-string.h: Likewise.
13957 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13959 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
13960 macro conditionals guarding use.
13962 * dwarf2out.c: Include "tm_p.h".
13964 * function.c (locate_and_pad_parm): Mark parameter with
13966 (expand_function_end): Likewise for variable `context'.
13968 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
13970 2000-01-13 Nick Clifton <nickc@cygnus.com>
13972 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
13973 register to prevent compile time warnings.
13975 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
13977 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
13978 to avoid -Wtraditional warning.
13980 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13982 * 1750a-protos.h: New file.
13984 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
13987 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
13990 * 1750a.md: Likewise.
13992 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13994 * a29k-protos.h: New file.
13996 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
13999 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14002 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14004 * clipper-protos.h: New file.
14006 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14009 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14012 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14014 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14016 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14018 * configure.in (--enable-new-gxx-abi): New option.
14019 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14020 * Makefile.in (GXX_ABI_FLAG): New variable.
14021 * configure: Regenerate.
14023 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14025 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14026 * tm.texi (FORCE_STRUCT_BLK): Document.
14027 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14029 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14031 * config/ns32k/ns32k.md: Revert Jan 9 change.
14033 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14034 to a mode-test, if the predicate is address_operand.
14036 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14038 * combine.c (if_then_else_cond): Be careful about what kinds
14039 of RTL expressions are passed to operand_subword.
14041 * flow.c (split_edge): If we have to insert a new jump, make
14042 sure to associate it with a basic block.
14044 * flow.c (commit_one_edge_insertion): A block with one successor
14045 can end in a JUMP_INSN that is not a simplejump.
14047 2000-01-12 Robert Lipe <robertl@sco.com>
14049 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14050 (BUILD_VA_LIST_TYPE): Define.
14051 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14054 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14056 * cccp.c (do_pragma): Add cast to (char *).
14058 2000-01-12 Richard Henderson <rth@cygnus.com>
14059 Fred Fish <fnf@be.com>
14060 Jason Merrill <jason@cygnus.com>
14062 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14063 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14064 * i386/beos-elf.h, i386/beos-pe.h: New files.
14066 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14067 * cross-make (SYSTEM_HEADER_DIR): Define using
14068 CROSS_SYSTEM_HEADER_DIR.
14070 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14071 (process_command): Use it.
14072 (main): Likewise. Kill trailing = from env vars.
14073 (build_search_list): Put it back.
14074 * collect2.c (main): Use LIBRARY_PATH_ENV.
14076 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14077 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14079 * tm.texi (Frame Layout): Document SMALL_STACK.
14080 * c-common.c (c_common_nodes_and_builtins): Check it.
14082 * system.h: Undef alloca after including glibc's <stdlib.h>,
14083 if USE_C_ALLOCA is defined.
14085 * gcc.c (set_input): New fn.
14086 (main): After all input files are compiled, reset the input file
14089 * aclocal.m4 (rindex, index): If already defined, don't attempt
14092 * ginclude/varargs.h: (__va_list__): Define ifndef.
14093 * ginclude/stdarg.h: Likewise.
14095 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14096 instead of unsigned char.
14098 * hash.h (true, false, boolean): Undef before enum.
14100 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14101 proper type of "HOST_WIDE_INT *", rather than their natural type of
14102 "unsigned HOST_WIDE_INT *".
14104 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14106 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14108 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14110 * regclass.c (choose_hard_reg_mode): Likewise.
14112 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14114 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14116 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14118 * c-common.c: PROTO -> PARAMS.
14119 * c-common.h: Likewise.
14120 * c-decl.c: Likewise.
14121 * c-iterate.c: Likewise.
14122 * c-lang.c: Likewise.
14123 * c-lex.c: Likewise.
14124 * c-lex.h: Likewise.
14125 * c-parse.in: Likewise.
14126 * c-pragma.c: Likewise.
14127 * c-pragma.h: Likewise.
14128 * c-tree.h: Likewise.
14129 * c-typeck.c: Likewise.
14130 * objc/objc-act.c: Likewise.
14131 * objc/objc-act.h: Likewise.
14133 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14135 * m88k-protos.h: New file.
14137 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14140 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14142 * m88k.md: Likewise.
14144 * tekXD88.h: Likewise.
14146 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14148 * m68k-protos.h: New file.
14150 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14153 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14155 * mot3300.h: Likewise.
14157 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14159 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14161 (extract_bitlist): Declare bitlen.
14163 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14165 * cccp.c: Accept and ignore -lang-fortran.
14167 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14168 qualifiers don't match at any level of pointerness.
14170 2000-01-12 Robert Lipe <robertl@sco.com>
14172 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14174 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14176 * reload1.c (reload_reg_unavailable): New static variable.
14177 (reload_reg_free_p): Test it.
14178 (reload_reg_free_for_value_p): Test it instead of
14180 (choose_reload_regs_init): Compute it.
14182 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14184 * reorg.c (fill_slots_from_thread): Check modified_in_p
14187 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14189 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14190 these nodes even if INTERNALS is not set.
14192 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14194 * gcse.c (delete_null_pointer_checks_1): Cope when
14195 get_condition cannot determine the condition.
14197 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14199 * toplev.h (set_message_length): Declare.
14201 * diagnostic.c (obstack_chunk_alloc): Define macro.
14202 (obstack_chunk_free): Likewise.
14203 (struct output_buffer): New data structure.
14204 (vmessage): Remove.
14205 (output_maximum_width): New variable.
14206 (doing_line_wrapping, set_message_length, init_output_buffer,
14207 get_output_prefix, output_space_left, emit_output_prefix,
14208 output_newline, output_append, output_puts, dump_output,
14209 vbuild_message_string, build_message_string, build_location_prefix,
14210 voutput_notice, output_printf, line_wrapper_printf,
14211 vline_wrapper_message_with_location): New functions. Implement
14212 automatic line wrapping.
14213 (v_message_with_decl): Make it handle automatic line wrapping.
14214 (v_error_with_file_and_line): Likewise.
14215 (v_warning_with_file_and_line): Likewise.
14216 (announce_function): Likewise.
14217 (default_print_error_function): Likewise.
14219 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14221 * cpplib.h (struct cpp_options): Change lang_asm to char.
14223 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14224 done in cpp_handle_option now.
14225 (initialize_builtins): Take out special case code used only by
14227 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14228 if -traditional. Recognize -lang-fortran and set
14229 lang_fortran, also turn off cplusplus_comments.
14230 (print_help): Document -lang-fortran.
14231 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14232 lang_asm. Ignore all directives other than `# 123 "file"' if
14234 (cpp_get_token): If -traditional, don't recognize directives
14235 unless the # is in column 1.
14236 (parse_string): If lang_fortran or lang_asm, silently
14237 terminate strings ('' or "") at end of line.
14238 Remove unnecessary braces.
14240 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14241 Richard Henderson <rth@cygnus.com>
14243 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14245 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14246 strict_low_part when possible.
14248 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14250 * alias.c: PROTO -> PARAMS.
14251 * basic-block.h: Likewise.
14252 * bitmap.c: Likewise.
14253 * bitmap.h: Likewise.
14254 * builtins.c: Likewise.
14255 * c-aux-info.c: Likewise.
14256 * caller-save.c: Likewise.
14257 * calls.c: Likewise.
14259 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14261 * Makefile.in (toplev.o): Depend on regs.h.
14263 * output.h (tdesc_section): Prototype.
14265 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14267 * sdbout.c: Include "tm_p.h".
14269 * toplev.c: Include "regs.h".
14271 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14273 * unroll.c (unroll_loop): Add EH support.
14275 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14277 * pa-protos.h: New file.
14279 * pa.c: Include recog.h and tm_p.h.
14280 (compute_zdepwi_operands, compute_movstrsi_length,
14281 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14282 find_addr_reg, import_milli): Add static prototypes.
14283 (pa_cpu_string, pa_arch_string): Constify a char*.
14284 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14285 (read_only_operand): Add argument `mode'.
14286 (singlemove_string, output_move_double, output_fp_move_double,
14287 output_block_move, output_and, output_ior, output_ascii,
14288 remove_useless_addtr_insns, milli_names, output_mul_insn,
14289 output_div_insn, output_mod_insn, output_arg_descriptor,
14290 output_cbranch, output_bb, output_bvb, output_dbra, ,
14291 output_millicode_call, output_call, hppa_encode_label,
14292 output_parallel_movb, output_parallel_addb): Constify a char*.
14293 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14294 (output_parallel_addb): Remove extra arg to `constrain_operands'
14296 * pa.h: Move all prototypes to pa-protos.h.
14297 (pa_cpu_string, pa_arch_string): Constify a char*.
14298 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14300 * pa.md: Call `function_label_operand' with mode argument.
14301 Likewise for `read_only_operand'.
14302 Fix nesting of parens in call to `symbolic_operand'.
14304 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14306 * i860-protos.h: New file.
14308 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14311 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14313 * i860.md: Likewise.
14315 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14317 * i386.md (movstrsi expander): Rewrite.
14318 (movstrsi_1 insn): Deleted.
14319 (strmovhi, strmovqi expander): New expanders.
14320 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14321 * i386.c (x86_single_stringop): New global variable.
14322 * i386.h (x86_single_stringop): Declare.
14323 (TARGET_SINGLE_STRINGOP): New macro.
14325 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14327 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14328 integer vararg POSTINCREMENT before the destination of the jump
14329 for the hard fp case.
14330 (function_arg_pass_by_reference): Pass a copy of CUM to
14333 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14334 for CONSTANT_ADDRESS_P above while loop for subreg.
14336 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14338 * flow.c (propagate_block): When a prologue/epilogue insn
14339 is marked dead, unconditionally clear libcall_is_dead and
14340 insn_is_dead, and only dump rtl if warnings aren't being
14343 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14345 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14346 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14347 (FIXED_REGISTERS): Set dirflag as fixed.
14348 (CALL_USED_REGISTERS): Set dirflag as used.
14349 (REG_ALLOC_ORDER): Set dirflag as last one.
14350 (DIRFLAG_REG): New macro.
14351 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14352 (HI_REGISTER_NAMES): Add dirflag.
14353 (DEBUF_PRINT_REG): Handle dirflag.
14354 * i386.md (type attribute): New cld and str types.
14355 (length_opcode attribute): Set cld and str to 1.
14356 (memory attribute): Set str to unknown - it is not clear from the
14358 (pent_np function unit): Prefixed string operations takes 12 cycles
14359 minimally; cld takes 2 cycles.
14360 (ppro_uops attribute): Str is "many" and cld is "few".
14361 (ppro_p0 unit): Handle cld here.
14362 (k6_alux unit): Handle cld and str types.
14363 (k6_load unit): It is ocupied by str opcodes.
14364 (k6_store unit): It is ocupied by str opcodes.
14365 (athlon_decode): Str is vector decoded.
14366 (athlon_ieu): Handle str and cld.
14367 (cld pattern): New.
14368 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14369 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14370 cmpstrsi_nz_1 insn): Do not output cld instruction
14372 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14374 * gcc.texi (G++ and GCC): Add Java and Chill.
14375 (Bug Critera): Don't list languages.
14377 * gcc.texi (Incompatibilities): No longer claim most C compilers
14380 * gcc.texi (G++ and GCC): Update other front-ends list.
14382 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14384 * i386.c (ix86_expand_setcc): Fix typo.
14385 (ix86_expand_movcc): Similarly.
14387 * Band-aid until haifa's bitset implementation is nuked.
14388 * haifa-sched.c (extract_bitlst): New parameter for size of the
14389 bitset in bits. All callers changed. Avoid looking at undefined
14390 bits in the bitset.
14391 (edgeset_bitsize): New variable.
14392 (schedule_region): Initialize edgeset_bitsize.
14394 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14396 * Makefile.in (optabs.o): Depend on real.h
14397 (resource.o): Depend on insn-attr.h
14399 * builtins.c (result_vector): Wrap prototype in macro conditions
14400 governing definition and use.
14402 * c-common.c: Include tm_p.h.
14404 * c-lex.c: Likewise.
14406 * elfos.h: Constify a char*.
14408 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14409 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14410 parameter with ATTRIBUTE_UNUSED.
14412 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14415 * haifa-sched.c (schedule_insns): Mark parameter with
14418 * optabs.c: Include real.h.
14420 * real.h (ereal_atof): Add prototype arguments.
14422 * resource.c: Include insn-attr.h.
14424 * sdbout.c (sdbout_queue_anonymous_type,
14425 sdbout_dequeue_anonymous_types): Wrap in macro
14426 SDB_ALLOW_FORWARD_REFERENCES.
14427 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14430 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14432 * stupid.c: Include tm_p.h.
14434 * tree.c (real_value_from_int_cst): Mark parameter with
14437 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14439 * i960-protos.h: New file.
14441 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14444 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14446 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14448 * combine.c (expand_field_assignment): Do not discard SUBREGs
14449 while computing nonzero_bits.
14451 2000-01-09 Nick Clifton <nickc@cygnus.com>
14453 * config/arm/arm.c: Fix compile time warnings about signed vs
14454 unsigned constants.
14455 * config/arm/arm.h: Fix compile time warnings about signed vs
14456 unsigned constants.
14458 2000-01-09 Philip Blundell <philb@gnu.org>
14460 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14461 than `ldm' with only one register.
14462 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14465 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14468 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14470 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14473 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14475 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14476 assignment used as truth value.
14478 * function.c (assign_temp): Mark parameter `dont_promote' with
14479 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14480 PROMOTE_FOR_CALL_ONLY.
14482 * genrecog.c (write_subroutine): Mark variable `operands' with
14485 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14488 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14489 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14491 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14494 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14496 * config/c4x.h: Tidy up comments.
14497 * config/c4x.c: Likewise.
14499 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14501 * fold-const.c (lshift_double, rshift_double): Handle
14502 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14504 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14506 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14507 in prepare_function_start().
14509 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14511 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14512 longer allocate extra stack for function calls.
14514 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14516 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14518 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14520 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14522 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14524 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14525 * aix43.h: Revert Aug 2 change.
14526 (HAS_INIT_SECTION): Define, not visible yet.
14527 (LD_INIT_SWITCH): Define, not visible yet.
14528 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14530 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14532 * collect2.c (main): Expand ld2 size further.
14533 (export_object_lst): Cast assignment to avoid warning.
14534 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14535 (scan_prog_file, COFF): Do not collect initialization or
14536 finalization functions generated for entire shared object if
14537 init/fini support present.
14539 2000-01-07 Nick Clifton <nickc@cygnus.com>
14541 * config/elfos.h: Tidy up formatting of marcos. Make sure
14542 that .section directives are always prefixed by a tab.
14544 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14547 2000-01-07 Matt Austern <austern@sgi.com>
14549 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14552 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14554 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14556 (crtbegin.o, s-crtS): Likewise.
14558 2000-01-06 Richard Henderson <rth@cygnus.com>
14560 * alpha.md (adddi_2+1): Limit offset such that it will be
14561 loadable with a single ldah+lda pair.
14562 (adddi_2+2): Explicitly fail split if we can't make it work.
14564 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14566 * protoize.c: Conditionally include unistd.h.
14567 (IS_SAME_PATH_CHAR): New macro.
14568 (IS_SAME_PATH): New macro.
14569 (CPLUS_FILE_SUFFIX): New macro.
14570 (cplus_suffix): New static variable.
14571 (is_abspath): New static function.
14572 (in_system_include_dir): Handle DOS style pathnames.
14573 (file_could_be_converted): Likewise.
14574 (file_normally_convertible): Likewise.
14575 (directory_specified_p): Likewise.
14576 (file_excluded_p): Likewise.
14577 (abspath): Likewise.
14578 (shortpath): Likewise.
14579 (referenced_file_is_newer): Likewise.
14580 (save_def_or_dec): Likewise.
14581 (do_processing): Likewise.
14583 (edit_file): Likewise. Use rename instead of link.
14584 (rename_c_file): Likewise. Don't rename syscalls file.
14585 (munge_compile_params): Define null device for DOS based systems.
14586 (process_aux_info_file): Use binary mode if appliable.
14587 (edit_file): Likewise.
14588 * invoke.texi (Running Protoize): Document C++ suffixes used.
14590 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14591 IS_DIR_SEPARATOR macros.
14592 * collect2.c: Likewise.
14593 * cppinit.c: Likewise.
14594 * dwarf2out.c: Likewise.
14596 * gcov.c: Likewise.
14597 * prefix.c: Likewise.
14599 * toplev.c: Likewise.
14600 * system.h: And move to here.
14602 * prefix.c (update_path): Fix typo in variable name.
14604 2000-01-06 Richard Henderson <rth@cygnus.com>
14606 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14607 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14608 (count_reg_sets_1, count_reg_references): Likewise.
14609 (flow_loops_level_compute): Start counting actual loop depth at 1.
14610 (flow_loops_find): Likewise.
14611 * local-alloc.c (update_equiv_regs): Likewise.
14612 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14614 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14616 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14617 FIRST_PSEUDO_REGISTER
14618 * dwarf2out.c: Don't include frame.h
14619 * dwarfout.c: Likewise
14620 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14623 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14625 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14628 * i386.c (movsf splitter): Fix typo in my last checkin.
14630 2000-01-05 Nick Clifton <nickc@cygnus.com>
14632 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14633 own definition of this macro.
14634 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14635 flag_data_sections or UNIQUE_SECTION_P are true.
14637 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14638 unitialised data decls.
14640 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14641 being called for uninitialised data.
14643 * config/i386/interix.c (i386_pe_unique_section): Cope with
14644 being called for uninitialised data.
14646 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14647 for uninitialised data.
14649 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14650 for uninitialised data.
14652 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14653 for uninitialised data.
14655 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14656 (UNIQUE_SECTION_P): Always generate a unique section if
14657 flag_data_sections is true.
14658 (UNIQUE_SECTION): Also generate unique sections for
14659 uninitialised data.
14660 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14661 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14664 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14666 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14669 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14671 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14672 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14673 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14674 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14675 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14677 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14679 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14681 * c-decl.c (finish_enum): Simplify code to determine minimum and
14682 maximum values of the enum, and calculate the type. Remove check
14683 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14684 the DECL_INITIAL of each enumeration constant with a copy converted
14685 to the enumeration type. When updating variant types, don't bother
14686 updating the type itself.
14688 * c-typeck.c (build_binary_op): Simplify conditional expressions
14689 when weeding out spurious signed-unsigned warnings. Add new
14690 spurious warning category: if the unsigned quantity is an enum
14691 and its maximum value fits in signed_type(result_type). Update
14693 (build_conditional_expr): Warn here if one alternative is signed
14694 and the other is unsigned.
14696 2000-01-05 Nick Clifton <nickc@cygnus.com>
14698 * config/fr30/fr30.h: Remove extraneous comments.
14700 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14702 * reload1.c (choose_reload_regs): When disabling a reload, also
14703 set reload_spill_index to -1.
14705 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14707 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14709 (m68*-*-rtemself*): New target.
14710 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14711 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14712 (sparc*-*-rtemself*): New target.
14713 (sparc*-*-rtems*): Now elf not a.out.
14714 * config/i386/rtems.h: Include config/rtems.h.
14715 * config/i386/rtemself.h: Include config/rtems.h.
14716 * config/i960/rtems.h: Include config/rtems.h.
14717 * config/m68k/rtems.h: Include config/rtems.h.
14718 * config/m68k/rtemself.h: Include config/rtems.h.
14719 * config/mips/rtems64.h: Include config/rtems.h.
14720 * config/pa/rtems.h: Include config/rtems.h.
14721 * config/rs6000/rtems.h: Include config/rtems.h.
14722 * config/sh/rtems.h: Include config/rtems.h.
14723 * config/sh/rtemself.h: Include config/rtems.h.
14724 * config/sparc/rtems.h: Include config/rtems.h.
14725 * config/sparc/rtemself.h: Include config/rtems.h
14727 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14729 * final.c (shorten_branches): Correctly compute length of
14730 asms without operands.
14732 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14734 * configure.in: Add pj target.
14735 * configure: Regenerate.
14736 * config/pj: New directory.
14737 * config/pj/lib1funcs.S: New file.
14738 * config/pj/linux.h: New file.
14739 * config/pj/pj.c: New file.
14740 * config/pj/pj.md: New file.
14741 * config/pj/pjl.h: New file.
14742 * config/pj/t-pj: New file.
14743 * config/pj/xm-pj.h: New file
14745 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14747 * toplev.c (rest_of_compilation): Run shorten-branches before
14750 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14752 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14753 macros so that they're consistent with their names.
14754 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14755 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14757 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14759 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14760 modified inadvertently.
14762 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14764 * configure.in (v850*-*-rtems*): New target.
14765 * configure: Regenerate.
14766 * config/v850/rtems.h: New file.
14768 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
14770 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
14771 (__gthread_key_create): Likewise.
14772 (__gthread_key_dtor): Likewise.
14773 (__gthread_once): Fix logic.
14774 (__gthread_key_delete): Cast away constness.
14776 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
14777 * invoke.texi: Document.
14778 * i386/mingw32.h (CPP_SPEC): Use.
14779 (LIBGCC_SPEC): Likewise.
14780 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
14782 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14784 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
14785 (HANDLE_PRAGMA_PACK): Undefine.
14786 (SLOW_UNALIGNED_ACCESS): Define.
14788 2000-01-04 David Edelsohn <edelsohn@gnu.org>
14790 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14791 to default definition.
14792 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
14793 (store_fixed_bit_field): Call macro with word_mode and alignment.
14794 (extract_bit_field): Call macro with relevant mode and alignment.
14795 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
14796 to default definition.
14797 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
14799 (move_by_pieces_ninsns): Likewise.
14800 (clear_by_pieces): Likewise.
14801 (emit_push_insn): Likewise.
14802 (store_field): Call macro with relevant mode and alignment.
14803 (expand_expr): Likewise.
14804 (expand_expr_unaligned): Likewise.
14806 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
14807 (SLOW_UNALIGNED_ACCESS): Define.
14808 (CASE_VECTOR_MODE): Always use 32-bit offsets.
14809 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
14810 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
14811 (toc_section): Likewise and .toc pseudo-op.
14812 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
14814 (TEXT_SECTION_ASM_OP): Likewise.
14815 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
14818 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
14819 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
14820 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
14821 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
14822 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
14824 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
14826 * regclass.c: Revert my Jan 4 change to loop cost computation.
14828 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14830 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
14833 2000-01-04 Stan Cox <scox@cygnus.com>
14835 * haifa-sched.c (build_control_flow): Change unreachable simple
14836 loop test to check if current block has only one predecessor.
14837 (find_rgns): Initialize degree. Use dest as degree index, not src.
14839 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14841 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
14843 * calls.c (expand_call): Likewise for
14844 `old_stack_arg_under_construction'.
14846 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
14848 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
14851 * gcc.c (execute): Likewise for `ut' and `st'.
14853 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
14855 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
14857 * jump.c (jump_optimize_1): Likewise for `temp2'.
14859 * local-alloc.c (block_alloc): Likewise for `r1'.
14861 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
14863 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
14864 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
14866 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
14869 * reload.c (find_reloads): Likewise for `goal_alternative_number'
14870 and `goal_earlyclobber'.
14872 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
14874 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
14876 * stupid.c (stupid_life_analysis): Likewise for `chain'.
14878 * unroll.c (copy_loop_body): Likewise for `copy'.
14880 * varasm.c (output_constructor): Likewise for `byte'.
14882 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14884 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
14885 all FP constants for constant->reg moves.
14886 (ix86_split_to_parts): Try to convert memory address into immediate
14887 when available in the constant pool.
14888 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
14890 (LEGITIMATE_CONSTANT_P): Return 1.
14891 * i386.md (pushsf): New splitter to convert constant pool memory
14892 reference to immediate.
14893 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
14896 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
14898 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
14899 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
14900 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
14901 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
14902 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
14904 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
14906 * ginclude/stdbool.h: Support compilation as C++.
14908 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14910 * fold-const.c (make_range): Don't try to reverse an unbounded range.
14912 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
14914 * regclass.c (regclass): Properly compute loop_cost. Adjust
14917 * regclass.c: Fix minor whitespace problems.
14919 2000-01-03 Anthony Green <green@cygnus.com>
14921 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
14922 Restore the pic register if required.
14924 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
14926 * c-common.c (format_char_info): Update comment.
14927 (check_format_info): Recognize 'z' modifier in the same way 'Z'
14928 was recognized. Emit warning for formats new in ISO C99 only
14929 if flag_isoc9x is not set.
14931 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
14933 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
14935 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14937 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
14938 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
14939 (make_compound_operation): Choose cheaper alternative between
14940 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
14942 * regclass.c (op_costs): Remove global variable.
14943 (record_reg_classes): New parameter "op_costs" and "reg_pref".
14944 (record_operand_costs): Break out from ...
14945 (scan_one_insn): ... here.
14946 (dump_regclass): Make dumps nicer.
14947 (regclass): Dump preferrences choosed and changes done during passes.
14949 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14951 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
14953 2000-01-03 Jakub Jelinek <jakub@redhat.com>
14955 * config/sparc/sparc.c (gen_df_reg): New function.
14956 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
14957 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
14958 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
14959 movtf_cc_reg_sp64+1): Use it.
14961 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14963 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
14964 copied LABEL_DECLs.
14966 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14968 * config/i386/i386.c (ix86_expand_unary_operator): Function
14969 definition made void.
14970 (ix86_expand_binary_operator): Update outdated preceding comment.
14971 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
14974 * config/i386/i386.c (override_options): Fix option-name typo.
14976 2000-01-02 Mark Mitchell <mark@codesourcery.com>
14978 * system.h (CEIL): Define.
14979 * builtins.c (CEIL): Remove.
14980 * expmed.c (CEIL): Likewise.
14981 * expr.c (CEIL): Likewise.
14982 * stor-layout.c (CEIL): Likewise.
14984 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14986 * expr.c (store_constructor_field): Fix typo introduced with last
14989 2000-01-01 Mark Mitchell <mark@codesourcery.com>
14991 * tree.h (BINFO_N_BASETYPES): New macro.
14993 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
14995 * expmed.c (emit_store_flag): Prevent losing a pending stack
14996 adjust the same way we prevent losing queued increments.
14998 See ChangeLog.2 for earlier changes.
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