1 2000-06-02 Richard Henderson <rth@cygnus.com>
3 * alias.c (lang_get_alias_set): Remove.
4 (get_alias_set): Call it directly, not indirectly.
5 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
6 * c-common.h (c_get_alias_set): Don't declare.
7 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
8 * expr.h (lang_get_alias_set): Declare as function, not pointer.
10 2000-06-02 Bruce Korb <bkorb@gnu.org>
12 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
13 (server_setup): define the server's master pid
14 (close_server): actually do the deed IFF we are the server's master
16 2000-06-02 Jakub Jelinek <jakub@redhat.com>
18 * c-common.c (c_get_alias_set): Check whether signed_type did not
19 return its argument before calling get_alias_set on the result.
21 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
23 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
25 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
27 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
28 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
30 (NOMACSAVE_BIT): Define.
31 (TARGET_NOMACSAVE): Define.
32 (TARGET_SWITCHES): Add "nomacsave".
34 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
36 * sh.md (untyped_call): Remove excess parameters
38 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
40 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
41 match that used before the conversion to c_fix style.
42 * fixinc/fixincl.x: regenerate
44 2000-06-01 Stan Cox <scox@cygnus.com>
46 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
49 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
51 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
53 * cpplib.c (parse_include): Remove support for VAX-C
54 "#include starlet" misfeature.
56 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
58 * cppfiles.c: conditionally define O_BINARY.
59 (open_include_file): pass O_BINARY to open().
61 2000-06-01 Richard Henderson <rth@cygnus.com>
63 * i960.c (i960_br_predict_opcode): Remove.
64 (i960_print_operand) [+]: Emit branch prediction hints.
65 (i960_function_arg): Return early for VOIDmode.
66 (i960_round_align): Return early for incomplete types.
67 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
68 * i960.md (all conditional branches): Add "%+".
70 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
72 * alias.c (get_alias_set): Don't call language-specific routine more
73 than is needed and clean up code a bit.
74 * c-common.c (c_get_alias_set): All references whose type
75 is char get alias set 0, but character types need not.
76 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
77 (make_decl_rtl): Don't call it for FUNCTION_DECL.
79 2000-06-01 Bruce Korb <bkorb@gnu.org>
81 * fixinc/tests/base/...: new base result files
83 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
85 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
86 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
87 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
90 2000-06-01 Richard Henderson <rth@cygnus.com>
92 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
94 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
96 2000-05-31 Richard Henderson <rth@cygnus.com>
98 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
99 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
100 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
102 2000-05-31 Richard Henderson <rth@cygnus.com>
104 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
105 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
106 (ia64_print_operand) [+]: ... here. Use current_output_insn.
107 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
108 * config/ia64/ia64.md (all branch/call patterns): Use %+.
110 2000-05-31 Richard Henderson <rth@cygnus.com>
112 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
114 2000-05-31 Richard Henderson <rth@cygnus.com>
116 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
118 (find_if_block): Allow THEN with no outgoing edges.
119 * flow.c (merge_blocks_nomove): Remove a barrier not following
122 2000-05-31 Richard Henderson <rth@cygnus.com>
124 * flow.c (propagate_block): Move initialization of mem_set_list ...
125 (init_propagate_block_info): ... here. Also track blocks with
126 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
128 2000-05-31 Richard Henderson <rth@cygnus.com>
130 * jump.c (jump_optimize_1): Revert 05-18 change.
132 2000-05-31 Mark Mitchell <mark@codesourcery.com>
134 * invoke.texi: Remove documentation for -fguiding-decls.
136 2000-05-31 Richard Henderson <rth@cygnus.com>
138 * configure.in: Fix typo last change.
140 2000-05-31 Philipp Thomas <pthomas@suse.de>
142 * configure.in (enable-nls): Enable if build == host, i.e. when
143 not building a canadian cross compiler.
144 (enable-maintainer-mode): Added for use with i18n.
145 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
146 cross section of ALL_LINGUAS and LINGUAS.
147 * configure: Rebuild.
149 2000-05-31 Bruce Korb <bkorb@gnu.org>
151 * fixinc/check.tpl: rework to use test result tree
152 * fixinc/Makefile.in: change invocation of check script
153 * fixinc/check.diff: No longer needed
154 * fixinc/fixincl.x: regenerate
155 * fixinc/inclhack.def: add new tests
156 * fixinc/tests/base/arch/i960/archI960.h: New test result
157 * fixinc/tests/base/curses.h: modified test result
158 * fixinc/tests/base/stdio.h: ditto
159 * fixinc/tests/base/time.h: ditto
160 * fixinc/tests/base/sys/asm.h: ditto
161 * fixinc/tests/base/sys/stat.h: ditto
162 * fixinc/tests/base/sys/wait.h: ditto
164 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
166 * except.c (clear_function_eh_region): Do not free NULL.
168 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
170 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
171 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
172 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
173 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
174 (find_base_decl): New function, from c_find_base_decl in c-common.c.
175 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
176 (get_alias_set): Likewise.
177 Major rework to do more things and allow language-specific code
178 to just handle special-cases.
179 (record_alias_subset): Args are HOST_WIDE_INT.
180 (record_component_alias): Local vars are HOST_WIDE_INT.
181 Don't handle COMPLEX_EXPR.
182 (get_varargs_alias_set): Moved from builtins.c.
183 (get_frame_alias_set): New function.
184 * builtins.c (expand_builtin_return_address): Use frame alias set.
185 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
187 (get_memory_rtx): Rework to use set_mem_attributes.
188 (get_varargs_alias_set): Deleted from here.
189 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
190 (c_find_base_decl): Deleted from here.
191 (c_get_alias_set): Remove many cases and rework to just handle
193 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
194 * c-decl.c (rtl.h, expr.h): Now included.
195 (init_decl_processing): Call record_component_aliases on array types.
196 (grokdeclarator): Likewise.
197 Set TREE_ADDRESSABLE for all fields that are not bitfields.
198 * c-typeck.c (common_type): Call record_component_aliases for array.
199 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
200 Set all save areas to the frame alias set.
201 * calls.c (initialie_argument_information): Call set_mem_attributes.
202 (compute_argument_addresses, expand_call): Likewise.
203 * explow.c (set_mem_attributes): New function.
204 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
205 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
206 LEN and OFFSET now HOST_WIDE_INT.
207 (clear_by_pieces): Similar changes.
208 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
209 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
210 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
211 (clear_by_pieces_1): Likewise.
212 (emit_push_insn): Call set_mem_attributes.
213 (expand_expr, case INDIRECT_REF): Likewise.
214 (expand_expr, case VAR_DECL): Call change_address.
215 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
217 (get_varargs_alias_set, get_frame_alias_set): New decls.
218 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
219 (new_alias_set, set_mem_attributes): Likewse.
220 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
221 (assign_stack_temp_for_type): Likewise.
222 Can split slot even if alias set since can copy.
223 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
224 (assign_temp): Use host_integerp and tree_low_cst.
225 (put_var_into_stack): Properly handle SAVE_EXPR.
226 (put_addressof_into_stack): Likewise.
227 (assign_parms): Call set_mem_attributes.
229 (fix_lexical_address): Put reference to chain into frame alias set.
230 (expand_function_start): Call set_mem_attributes.
231 * integrate.c (expand_inline_function): Likewise.
232 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
233 * regmove.c (try_apply_stack_adjustment): Likewise.
234 * reload.c (push_reload, make_memloc): Likewise.
235 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
236 * rtl.def (MEM): Update comment.
237 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
238 (move_by_pieces): Change length to HOST_WIDE_INT.
239 (record_base_value, record_alias_subset): Delete from here.
240 * stmt.c (expand_decl): Call set_mem_attributes.
241 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
242 * toplev.c (compile_file): Call init_alias_once earlier.
243 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
244 from here: now in alias.c.
245 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
246 (struct tree_decl): Likewise.
247 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
248 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
249 (output_constant_def, force_const_mem): Likewise.
251 * flow.c (propagate_block): If block has no successors, stores to
252 frame are dead if not used.
254 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
256 * stmt (expand_end_case): Reorder conversion sequence for jump
257 table to avoid extra truncations.
259 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
261 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
262 in the block is more than just a simple conditional branch.
263 (noce_process_if_block): Similarly.
265 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
267 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
270 2000-05-30 Michael Meissner <meissner@redhat.com>
272 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
273 instructions. Treat LO_SUM operations as loading the full integer
276 2000-05-30 Richard Henderson <rth@cygnus.com>
278 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
280 2000-05-30 Richard Henderson <rth@cygnus.com>
282 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
284 2000-05-30 Bruce Korb <bkorb@gnu.org>
286 * fixinc/tests/*: Added expected result files for fixinc's make check
287 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
289 2000-05-30 Richard Henderson <rth@cygnus.com>
291 * config/alpha/alpha.md (*setne_internal): Use match_operator
292 instead of working down from insn.
294 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
296 * invoke.texi (-Wtraditional): Update WRT function macros.
298 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
300 * except.c (free_exception_table): Do not free NULL.
302 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
304 * cpplib.c (do_if): Don't save and restore only_seen_white here.
305 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
308 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
310 * flow.c (mark_used_reg): If a register is unconditionally live,
311 remove any conditional death information.
313 2000-05-29 Richard Henderson <rth@cygnus.com>
315 * final.c (current_output_insn): New.
316 (final_scan_insn): Set it.
317 * output.h: Declare it.
319 2000-05-29 Richard Henderson <rth@cygnus.com>
321 * stor-layout.c (finalize_record_size): Fix typo.
323 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
326 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
328 * cpplib.h (cpp_reader): Remove if_stack. Change
329 potential_control_macro to a cpp_hashnode *. Add skipping flag.
330 * cpphash.h (struct ihash): Change control_macro to a
331 cpp_hashnode * and shorten name to cmacro.
332 Add NEVER_REINCLUDE constant.
334 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
335 Examine the cmacro node directly, no need to call cpp_defined.
336 (_cpp_execute_include, read_include_file): Set cmacro to
337 NEVER_REINCLUDE, not U"".
338 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
339 (cpp_get_token): If pfile->skipping is true, discard text and
340 keep scanning until we hit a directive; don't expand macros.
342 * cpplib.c (struct if_stack): Remove if_succeeded, add
343 was_skipping. Change control_macro to a cpp_hashnode * and
344 shorten name to cmacro. Remove typedef IF_STACK.
345 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
346 (conditional_skip, skip_if_group,
347 consider_directive_while_skipping): Delete.
348 (push_conditional): New.
349 (_cpp_handle_directive): Don't process directives other than
350 conditionals if we are skipping.
352 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
353 Update to new scheme.
354 (validate_else): Skip rest of line here, unconditionally.
355 (_cpp_unwind_if_stack): The stack is per-buffer. Force
358 (all): Remove `scare quotes' from error messages.
360 2000-05-29 Richard Henderson <rth@cygnus.com>
362 * function.c (emit_return_into_block): New line_note arg; emit it.
363 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
364 for the close brace to accompany HAVE_return. Move all line notes
365 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
367 2000-05-29 Richard Henderson <rth@cygnus.com>
369 * longlong.h [__alpha] (count_leading_zeros): New.
370 (count_trailing_zeros): New.
371 (COUNT_LEADING_ZEROS_0): New.
373 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
374 (alpha_split_conditional_move): New.
375 * config/alpha/alpha-protos.h: Prototype them.
376 * config/alpha/alpha.h (PREDICATE_CODES): Update.
377 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
378 * config/alpha/alpha.md: Update ffs cix commentary.
380 (*nabssf2, *nabsdf2): New.
381 (*mov[qhsd]icc_internal): Use add_operand.
382 (if_then_else constant splitters): New.
383 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
384 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
386 2000-05-29 Richard Henderson <rth@cygnus.com>
388 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
389 a constant to NEG or NOT when conditions allow.
391 * combine.c (combine_simplify_rtx): Don't create an if_then_else
392 unless both args are general_operand. Don't canonicalize plus
393 to ior unless it helps.
395 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
396 instead track register_life_up_to_date. Toggle no_new_pseudos
399 2000-05-28 Geoff Keating <geoffk@cygnus.com>
401 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
402 so output_operand doesn't see them.
404 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
406 * lcm.c (make_preds_opaque): Fix comment.
407 (optimize_mode_switching): Use NORMAL_MODE instead of
408 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
409 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
410 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
411 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
412 (MODE_USES_IN_EXIT_BLOCK): Delete.
413 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
414 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
415 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
416 (MODE_NEEDED): Don't look for USE.
417 (EPILOGUE_USES): Define.
419 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
421 * mklibgcc.in (all): Variable initialised to `libgcc'.
423 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
425 * toplev.h (skip_leading_substring): New macro.
426 * toplev.c (decode_f_option): Use skip_leading_substring instead
428 (decode_W_option): Likewise.
430 2000-05-28 Nick Clifton <nickc@cygnus.com>
432 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
435 2000-05-28 Richard Henderson <rth@cygnus.com>
437 * regclass.c (record_operand_costs): Protect reg_changes_size
438 with CLASS_CANNOT_CHANGE_SIZE.
440 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
442 2000-05-28 Richard Henderson <rth@cygnus.com>
444 * function.c (diddle_return_value): A pcc-style struct return
447 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
449 * cppfiles.c: Read files in, using mmap if possible, then
450 prescan them separately.
451 (read_file, read_with_read): New functions.
452 * cpplex.c: Don't define UCHAR_MAX.
453 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
456 * cppinit.c (handle_option): Automatically define __cplusplus,
457 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
458 the respective -lang switch.
460 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
461 prototype): Move to...
462 * cpplib.h: ... here. Rename struct hashnode to struct
463 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
464 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
466 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
468 * config/rs6000/rs6000.md (movsi): Constify 'name'.
470 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
471 (class_can_change_size): New variable.
472 (reg_changes_size): New variable.
473 (init_reg_sets_1): Initialise class_can_change_size.
474 (record_operand_costs): Remove subreg_changes_size.
475 Don't pass it around. Instead update reg_changes_size.
476 (regclass): Initialise and free reg_changes_size. If a register
477 changes size, don't preference it to a class that contains
478 registers that can't change size.
479 (record_reg_classes): Don't look at subreg_changes_size.
481 2000-05-27 Richard Henderson <rth@cygnus.com>
483 * print-rtl.c (reg_names): Remove const.
484 * regclass.c (reg_names): Likewise.
485 * regs.h (reg_names): Likewise.
486 * hard-reg-set.h (reg_names): Likewise.
488 2000-05-27 Richard Henderson <rth@cygnus.com>
490 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
492 2000-05-27 Richard Henderson <rth@cygnus.com>
494 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
495 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
496 (alpha_expand_prologue): Emit prologue_mcount if needed.
497 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
498 * config/alpha/alpha.md (prologue_mcount): New.
499 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
500 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
501 * config/alpha/netbsd.h: Likewise.
503 2000-05-27 Richard Henderson <rth@cygnus.com>
505 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
506 change to config/elfos.h.
508 2000-05-27 Richard Henderson <rth@cygnus.com>
510 * Makefile.in (resource.o): Depend on except.h.
511 * except.h (output_exception_table_data): Prototype.
512 * genconfig.c (gen_peephole2): Prototype.
513 * genemit.c (main): Include ggc.h.
514 * genoutput.c: Revert parts of last change: include errors.h
515 (main): Set progname.
516 * recog.c: Include hard-reg-set.h before recog.h.
517 * resource.c: Include except.h.
519 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
521 (alpha_write_linkage): Protect with BUFSIZ.
522 (alpha_need_linkage): Update prototype.
523 * config/alpha/alpha.c (function_arg): Move VMS code here.
524 (alpha_links_base): Remove.
526 (mark_alpha_links_node, mark_alpha_links): New.
527 (alpha_write_one_linkage): New.
528 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
529 (alpha_write_linkage): Use splay_tree_foreach.
530 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
531 to get the linkage symbol.
532 (call_value_vms): Likewise.
533 * config/alpha/elf.h (output_file_directive): Remove decl.
534 (ctors_section, dtors_section): Prototype.
535 (sbss_section, sdata_section): Prototype.
536 * config/alpha/vms.h (FUNCTION_ARG): Remove.
537 (readonly_section, link_section, literals_section): Prototype.
538 (ctors_section, dtors_section): Prototype.
539 (vms_valid_decl_attribute_p): Remove decl.
540 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
542 2000-05-27 Geoff Keating <geoffk@cygnus.com>
544 * reload.c (get_secondary_mem): Don't widen floating-point modes.
546 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
547 substituting the REG in a (subreg:X (reg:Y ...)).
549 2000-05-28 Neil Booth <NeilB@earthling.net>
551 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
552 first token of a line BOL. Update EOF code for this.
553 Remove illegal directive check - it appears in the (not
554 yet committed) caller.
555 * cpplib.h (BOL): New flag.
557 2000-05-28 Neil Booth <NeilB@earthling.net>
559 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
560 (_cpp_free_toklist): No comment space to free.
561 (expand_comment_space): Remove.
562 (save_comment_space): Place the comment in the current token and
563 not in a separate comment space.
564 (_cpp_lex_line): Save comments during plain code and #define
566 * cpplib.h (struct _cpp_toklist): Remove comment space.
568 2000-05-28 Neil Booth <NeilB@earthling.net>
570 * cppexp.c (parse_assertion): Supply extra argument to
572 * cpplib.c (do_assert, do_unassert): Similarly.
573 * cpphash.h (_cpp_init_toklist) Update.
574 (_cpp_expand_token_space): New.
575 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
576 * cpplex.c (_cpp_init_toklist): New argument.
577 (parse_string2): New argument multiline_ok.
578 (spell_token): Take a const cpp_token *.
579 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
580 (SPELL_ macros): Replace with enum.
581 (expand_token_space): Replace with _cpp_expand_token_space.
583 (IS_DIRECTIVE): Update.
584 (_cpp_lex_line): Update token structure before parsing number.
585 Don't assume start at beginning of token list.
586 (save_comment): Use INIT_TOKEN_NAME.
588 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
590 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
591 -Wmissing-prototypes.
592 * configure: Regenerate.
593 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
595 * builtins.c, calls.c: Change all instances of gen_call_* or
596 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
597 * calls.c (struct_value_size_rtx): Separate definition from
598 initialization to avoid unused variable warning.
600 * genflags.c (gen_macro): New function.
601 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
602 (gen_nonproto): Delete.
603 (gen_insn): Put all insns on the same obstack.
604 (main): Generate prototypes for everything unconditionally.
606 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
607 out check for wchar_t.
608 * acconfig.h: Add template for ssize_t. Remove @TOP@.
609 * system.h: Add infrastructure for defining missing
610 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
611 definitions of UCHAR_MAX and SSIZE_MAX.
612 * configure: Regenerate.
613 * config.in: Regenerate.
615 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
616 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
618 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
619 libgcc2.a, or libgcc1.null.
621 2000-05-27 Richard Henderson <rth@cygnus.com>
623 * Makefile.in (recog.o): Don't depend on resource.h.
624 * recog.c: Don't include resource.h.
625 (recog_last_allowed_insn): Remove.
626 (recog_next_insn): Remove.
627 (struct peep2_insn_data): New.
628 (peep2_insn_data, peep2_current): New.
629 (peep2_next_insn): New.
630 (peep2_regno_dead_p, peep2_reg_dead_p): New.
631 (peep2_find_free_register): New.
632 (peephole2_optimize): Track life information by insn as we go.
633 * recog.h: Update declarations.
634 * resource.c (find_free_register, reg_dead_p): Remove.
635 * resource.h: Remove their declarations.
636 * toplev.c: Include hard-reg-set.h before recog.h.
638 * genconfig.c (max_insns_per_peep2): New.
639 (gen_peephole2): New.
641 * genemit.c (output_peephole2_scratches): Generate calls to
642 peep2_find_free_register; adjust surrounding code.
643 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
644 * genrecog.c (change_state): Don't track last_insn.
645 (write_action): Write into *_pmatch_len before accepting.
646 (write_tree): Adjust peephole2_insns and subroutines to match.
648 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
650 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
651 (hard_int_register_operand): New.
652 * config/alpha/alpha-protos.h: Declare it.
653 * config/alpha/alpha.h (PREDICATE_CODES): Update.
654 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
655 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
657 2000-05-27 Richard Henderson <rth@cygnus.com>
659 * function.c (thread_prologue_epilogue_insns): Don't move the
660 line note at the head of the chain. Only force a lineno note
661 before the end of block 0.
663 2000-05-27 Richard Henderson <rth@cygnus.com>
665 * gensupport.c (collect_insn_data): Record the maximum number
666 of alternatives, not the last seen.
668 * genoutput.c: Don't include errors.h.
669 (struct data): Add lineno member.
671 (scan_operands): Use message_with_line instead of error.
672 (validate_insn_alternatives): Likewise.
673 (gen_insn): Accept and store the pattern's line number.
674 (gen_peephole, gen_expand, gen_split): Likewise.
675 (main): Don't set progname. Pass line_no to gen_foo.
677 2000-05-27 Richard Henderson <rth@cygnus.com>
679 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
680 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
681 * config/d30v/d30v.md (attr predicable): New.
682 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
683 (andsi3*): Unify into one pattern.
684 (iorsi3*, xorsi3*): Likewise.
685 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
687 (old cond_exec patterns): Remove.
688 (define_cond_exec): New.
690 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
692 * tree.h (TREE_CODE_LENGTH): New macro.
693 * c-common.c (c_find_base_decl): Use it.
694 * expr.c (safe_from_p): Likewise.
695 * print-tree.c (print_node): Likewise.
696 * tree.c (make_node, copy_node, get_identifier): Likewie.
697 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
698 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
699 * fold-const.c (make_range): Likewise.
700 (fold): Likewise; also use first_rtl_op.
701 * c-iterate.c (collect_iterators): Use first_rtl_op.
702 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
703 Use IS_EXPR_CODE_CLASS.
704 (preexpand_calls): Likewise.
705 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
706 and TREE_CODE_LENGTH.
707 * stmt.c (warn_if_unused_value): If no operands, no unused value.
709 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
711 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
713 (movdi_internal64): Likewise.
715 * config/rs6000/rs6000.md: Correct order of operands for DImode
718 * config/rs6000/rs6000.c (boolean_or_operator): New function.
719 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
720 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
721 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
722 boolean_operator for the boolean patterns without NOTs.
724 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
725 from reg_or_u_cint_operand. Change comment and behaviour.
726 (logical_operand): Clean up, add assertion.
727 (non_logical_cint_operand): Also check for
728 reg_or_logical_cint_operand.
729 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
730 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
736 2000-05-26 Mark Mitchell <mark@codesourcery.com>
738 * tree.h (struct record_layout_info): Rename to (struct
739 record_layout_info_s).
740 * stor-layout.c (start_record_layout): Replace
741 `record_layout_info' with `record_layout_info_s'.
743 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
745 * flow.c (find_label_refs): New function.
746 (find_basic_blocks_1): Call it for each alternative of a call
749 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
751 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
754 2000-05-25 Richard Henderson <rth@cygnus.com>
756 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
757 so strict about DImode.
758 (alpha_swapped_comparison_operator): Likewise.
759 * config/alpha/alpha.md (*setne_internal): Name it. Allow
760 any integer output mode.
761 (*setcc_internal): Likewise.
762 (*setcc_swapped_internal): Likewise.
763 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
764 (*mov[qhs]icc_internal): New.
765 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
767 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
769 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
771 2000-05-25 Richard Henderson <rth@cygnus.com>
773 * bb-reorder.c (reorder_block_def): Reorder elements for size.
774 Remove add_jump; add next; replace flags with visited.
776 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
777 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
778 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
779 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
781 (reorder_index, reorder_last_visited): Remove.
782 (skip_insns_after_block): Rewrite to use a switch.
783 (get_common_dest): Remove.
784 (chain_reorder_blocks): Remove.
785 (record_effective_endpoints): Split out from reorder_basic_blocks.
786 (make_reorder_chain): Likewise. Loop until all blocks are placed.
787 (make_reorder_chain_1): Renamed from old make_reorder_chain.
788 Only construct the reorder chain, do not move insns. Try harder
790 (label_for_bb, emit_jump_to_block_after): New.
791 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
792 and adjust the jump insns appropriately. Fixup basic_block_info.
793 (verify_insn_chain): Always define.
794 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
796 (make_new_scope): Don't write zeros to calloc'd space.
797 (build_scope_forest): Rely on xrealloc to DTRT.
798 (reorder_basic_blocks): Don't build loop nest. Don't fail if
799 profile_arc_flag. Streamline EH test.
801 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
802 * basic-block.h: Declare them.
804 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
806 * emit-rtl.c (reset_used_decls): New function.
807 (unshare_all_rtl_again): Call it.
809 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
811 * cpplex.c (maybe_macroexpand): Warn about function-like
812 macros used in non-function context, if -Wtraditional.
814 2000-05-25 Mark Mitchell <mark@codesourcery.com>
816 * recog.c (peephole2_optimize): Use INSN_P.
818 2000-05-25 Richard Henderson <rth@cygnus.com>
820 * ifcvt.c (seq_contains_jump): New.
821 (noce_try_store_flag_constants): Use it to fail conversion.
822 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
824 2000-05-25 Mark Mitchell <mark@codesourcery.com>
826 * except.h (can_throw): Declare it.
827 * except.c (can_throw): Give it external linkage.
828 * resource.c (find_dead_or_set_registers): Use can_throw.
830 2000-05-25 Richard Henderson <rth@cygnus.com>
832 * flow.c (mark_set_1): Don't record conditionally dead memory.
834 2000-05-25 Jan Hubicka <jh@suse.cz>
836 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
837 and pc_set at the place of simplejump_p and condjump_p.
838 * cse.c (record_jump_equiv): Likewise.
839 * emit-rtl.c (emit): Likewise.
840 * explow.c (find_next_ref): Likewise.
841 * flow.c (tidy_fallthru_edge): Likewise.
842 (init_propagate_block_info): Likewise.
843 * gcse.c (delete_null_pointer_checks): Likewise.
844 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
845 dead_or_predicable): Likewise.
846 * integrate.c (copy_insn_list): Likewise.
847 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
848 for_each_insn_in_loop, check_dbra_loop, get_condition,
849 insert_bct, load_mems): Likewise.
850 * resource.c (find_dead_or_set_registers): Likewise.
851 * sibcalls.c (simplejump_p): Likewise.
852 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
854 2000-05-25 David Edelsohn <edelsohn@gnu.org>
856 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
857 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
859 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
860 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
861 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
862 * rs6000.md: Name various internal patterns.
864 2000-05-25 Jan Hubicka <jh@suse.cz>
866 * jump.c (invert_exp_1): Remove first argument, use pc_set
867 to get the expression.
868 (redirect_exp): Make static; redirect only the pc_set expression,
869 remove first argument.
870 (invert_exp): Remove first argument, make static.
871 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
872 any_onlyjump at most places where we originaly did condjump_p
874 (jump_back_p, follow_jumps, thread_jumps): Likewise.
875 (delete_barrier_succesors): Use pc_set.
876 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
877 calls of invert_exp and redirect_exp.
878 * rtl.h (redirect_exp, invert_exp): Remove.
879 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
881 2000-05-25 Richard Henderson <rth@cygnus.com>
883 * stmt.c (expand_end_bindings): Fix thinko last change.
885 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
886 Andrew Haley <aph@cygnus.com>
888 * except.c (func_eh_entry): Add emitted field.
889 (new_eh_region_entry): Set emitted field to 0;
890 (output_exception_table_entry): Only emit previously un-emitted data,
891 and send it to the eh_data section.
892 (output_exception_table): Break out common parts. Output
893 exception table for entire compilation unit to eh_data section.
894 (output_exception_table_data): Common parts of output_exception_table.
895 Send output to eh_data section.
896 (output_function_exception_table): Output exception table data for
897 a single function to eh_data section.
898 (free_exception_table): New external to free the table.
899 * except.h (free_exception_table): Add prototype.
900 (output_function_exception_table): Add prototype.
901 * final.c (final_end_function): Output function exception table
902 for IA64_UNWIND_INFO.
903 (final_scan_insn): Emit any unwind directives for an insn.
905 * frame-dwarf2.c: New file containing all DWARF 2 specific code
907 * frame.c: Remove all DWARF 2 specific code.
908 * config/ia64/frame-ia64.c: New file.
909 (gthread_stuff): Make all gthread available with
911 (dwarf_fde): Define an IA64 struct for dwarf_fde.
912 (__register_frame_info, __register_frame): Move to common area of file.
913 (__register_frame_info_table, __register_frame_table): Move to common i
915 (__deregister_frame_info, __deregister_frame): Move to common area.
916 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
917 (read_uleb128): New version for ia64.
918 (get_unwind_record): Read the next IA-64 unwind record.
919 (read_R_record): Read a region header record.
920 (process_a_b_reg_code): X record helper.
921 (read_X_record): Read an X format record.
922 (read_B_record): Read a B format record.
923 (P3_record_types): List of record types matching the P3 format.
924 (P7_record_types): List of record types matching the P7 format.
925 (P8_record_types): List of record types matching the P8 format.
926 (read_P_record): Read a P format record.
927 (init_ia64_reg_loc): Set default fields for a register.
928 (init_ia64_unwind_frame): Set defaults for all register records.
929 (execute_one_ia64_descriptor): Execute one descriptor record.
930 (rse_address_add): Calculate the position of a local reg in memory.
931 (normalize_reg_loc): Turn a location descriptor into a memory address.
932 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
933 within a specified PC offset range.
934 (get_real_reg_value): Given a register location, retrieve its value.
935 (set_real_reg_value): Change the value of a register location.
936 (copy_reg_value): Copy reg values, if needed.
937 (copy_saved_reg_state): Copy all registers that need to be copied.
938 (process_state_between): Normalize all frame register records that
939 fall within the specified PC range.
940 (frame_translate): Take a processed frame description, and turn
941 everything into addresses.
942 (build_ia64_frame_state ): Find and create frame state record for a PC.
943 (get_personality): Get the personality routine for a given frame.
944 (get_except_table): Get the exception table for a given frame.
945 (record_name): Unwind record names for debugging.
946 (print_record): Print and unwind record.
947 (print_all_records): Print an entire unwind image.
948 (__ia64_backtrace): Print a backtrace.
949 (ia64_backtrace_helper): New function.
950 (__register_frame_info_aux): New function.
951 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
953 * frame.h (enum unw_record_type): New unwind record types.
954 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
955 (struct unw_r_record, unwind_record): New unwind record structs.
956 (struct unwind_info_ptr): Unwind information layout.
957 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
959 (struct ia64_reg_loc): Register location description.
960 (struct ia64_frame_state): Location of all registers in a frame.
961 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
962 * libgcc2.c (__ia64_personality_v1): Personality routine.
963 (__calc_caller_bsp): Calculate the bsp register for the caller's
965 (ia64_throw_helper): Figure out who to return to and set up the
967 (__throw): Throw routine.
969 * output.h (assemble_eh_align, assemble_eh_label): New functions
970 to generate EH info where we want it.
971 (assemble_eh_integer): New function.
972 * toplev.c (compile_file): Output module level exception table for
974 (main): Set exceptions_via_longjump and flag_new_exceptions based
975 on IA64_UNWIND_INFO too.
977 * varasm.c (assemble_eh_label): Generate a label via
978 ASM_OUTPUT_EH_LABEL if it has been specified.
979 (assemble_eh_align): Generate an alignment directive via
980 ASM_OUTPUT_EH_ALIGN if it has been specified.
981 (assemble_eh_label): Generate an integer value via
982 ASM_OUTPUT_EH_type if they have been specified.
983 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
984 (ia64_init_builtins): Add __builtin_ia64_bsp
985 and __builtin_ia64_flushrs.
986 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
987 IA64_BUILTIN_FLUSHRS.
988 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
989 IA64_BUILTIN_FLUSHRS.
991 * config/ia64/ia64.md (flushrs): New insn to flush the register
992 stack. Add to unspec list.
994 * config/ia64/crtbegin.asm (frame_object): Change size.
995 (__do_frame_setup_aux): New function.
996 * config/ia64/crtend.asm: call __do_frame_setup_aux.
997 * config/ia64/t-ia64 (LIB2ADDEH): Add.
998 * Makefile.in (LIB2ADDEH): Add.
999 (LIB2ADD): Use LIB2ADDEH.
1001 2000-05-24 Richard Henderson <rth@cygnus.com>
1003 * recog.c (offsettable_address_p): If mode size is zero, assume
1006 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1008 * configure.in: Check for -Wno-long-long option support and improve
1009 handling of warning CFLAGS for stages 1 and 2.
1010 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1011 * configure: Regenerate.
1013 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1015 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1016 * contrib.texi: New file.
1018 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1020 * loop.c (basic_induction_var): Avoid double recording of an increment.
1022 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1024 * Back out this patch:
1025 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1026 * loop.h (struct induction): Add multi_insn_incr.
1027 * loop.c (basic_induction_var): New multi_insn_incr argument.
1028 Set it if we search back through previous insns for the biv.
1029 (record_biv): New multi_insn_incr argument; fill in struct induction.
1030 (strength_reduce): Discard an iv with multiple bivs, any of
1031 which require multiple insns to increment.
1033 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1035 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1037 * rtl.h (loc_mentioned_in_p): Declare.
1038 * reload.c (loc_mentioned_in_p): Moved from here...
1039 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1040 Fix loop increment for 'E' handling.
1041 * loop.c (strength_reduce): When doing biv->giv conversion,
1042 take multi-insn biv increments into account.
1044 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1046 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1049 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1051 * calls.c (expand_call): Handle cleanups in tail-recursion
1052 arguments analagously to cleanups in sibling calls.
1054 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1056 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1057 All callers changed.
1059 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1061 * expr.c (expand_assignment, store_expr, expand_expr,
1062 expand_expr_unaligned): Set in_check_memory_usage while emitting
1063 chkr_check_addr libcall.
1065 2000-05-24 Nick Clifton <nickc@cygnus.com>
1067 * fold-const.c (extract_muldiv): When constructing a
1068 multiplier/divisor, do not expect const_binop to correctly
1069 determine if overflow has occured, so check explicitly.
1071 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1073 * c-decl.c (build_enumerator): Don't modify the value's type,
1076 2000-05-24 Andreas Jaeger <aj@suse.de>
1078 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1080 2000-05-24 Eric Christopher <echristo@cygnus.com>
1082 * configure.in: Redefine inhibit_libc conditions.
1083 * libgcc2.c: Remove inhibit_libc conditional define.
1084 * configure: Regenerate.
1086 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1088 * configure.in: For --enable-languages=LIST, check for empty LIST.
1089 * configure: Regenerate.
1091 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1093 * pdp11.h (STACK_BOUNDARY): Define.
1095 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1097 * ifcvt.c (if_convert): Update life info globally.
1099 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1101 * emit-rtl.c (unshare_all_decls): New function.
1102 (unshare_all_rtl): Call it.
1104 2000-05-23 Nick Clifton <nickc@cygnus.com>
1106 * configure.in: Treat 'strongarm' as if it were 'arm' when
1107 determining cpu type.
1109 * configure: Regenerate.
1111 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1112 where constant strings are involved.
1114 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1117 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1118 cases where constant strings are involved.
1120 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1122 * config/sh/sh.c (gen_far_branch, split_branches): Update
1123 to reflect new prototypes for redirect_jump and invert_jump.
1124 (sh_insn_length_adjustment): Get rid of const warnings.
1126 2000-05-23 Kazu Hirata <kazu@hxi.com>
1128 * invoke.texi (Options for Debugging Your Program or GCC): Update
1129 the names of dump files.
1131 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1133 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1134 * configure: Regenerated.
1136 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1138 * simplify-rtx.c (SIGN_EXTEND): New macro.
1139 (simplify_unary_operation, simplify_binary_operation,
1140 simplify_relational_operation): Use SIGN_EXTEND. Make low
1141 halves of (low, high) pairs unsigned if they weren't already.
1142 (simplify_ternary_operation): Cast INTVAL to unsigned before
1143 comparing to a MODE_BITSIZE.
1145 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1147 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1148 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1150 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1151 gcc_AC_NEED_DECLARATIONS.
1153 * dwarfout.c: Don't prototype time().
1155 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1157 * system.h: Likewise.
1159 * toplev.c: Likewise.
1161 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1163 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1165 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1167 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1169 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1171 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1173 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1175 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1176 (alpha_start_function): Never write ..ng label if VMS or NT.
1177 (alpha_align_insns): Remove GP_IN_USE arg.
1178 Alignment now unsigned.
1179 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1180 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1181 and two define_insn's.
1183 2000-05-22 Richard Henderson <rth@cygnus.com>
1185 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1187 2000-05-22 Richard Henderson <rth@cygnus.com>
1189 * stor-layout.c (place_field): Change rli->size to rli->offset.
1191 2000-05-22 Richard Henderson <rth@cygnus.com>
1193 * function.c (thread_prologue_and_epilogue_insns): Make sure
1194 existing line number notes appear after the prologue.
1196 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1198 * config/alpha/alpha.c (alpha_fnname): New static variable.
1199 (print_operand, case '~'): New case.
1200 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1201 (alpha_start_function): Set alpha_fnname.
1202 Write "ng" label if no ldgp; don't write ldgp insn.
1203 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1204 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1206 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1208 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1211 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1213 * varasm.c (eh_frame_section): Revert change to argument list.
1215 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1217 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1218 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1220 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1221 dangling "else" that causes "break" to be conditional.
1222 Also remove unneeded code at start.
1224 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1226 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1227 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1228 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1230 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1232 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1235 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1237 * alias.c (record_component_aliases): New function.
1238 * tree.h: Clean up some declarations and comments.
1239 (record_component_aliases): New declaration.
1240 * tree.c (get_alias_set): If type and has alias set, use it.
1242 2000-05-22 Richard Henderson <rth@cygnus.com>
1244 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1245 IF_THEN_ELSE to a setcc form.
1246 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1248 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1250 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1251 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1253 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1255 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1258 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1260 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1261 * config/mn10300/mn10300.c (print_operand): Likewise.
1263 * final.c (split_double): Right shift of negative values is not
1266 * ifcvt.c (if_convert): Scan and kill dead code.
1268 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1270 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1272 * diagnostic.c: Eliminate implicit int.
1273 * except.c, gcc.c: Add static prototypes.
1274 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1275 * gensupport.c (process_rtx): Use XVEC to initialize vector
1278 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1279 debug_reg_names instead of static reg_names. If not, define
1281 * regclass.c: Don't define global reg_names unless
1282 DEBUG_REGISTER_NAMES is defined.
1284 * reload1.c (order_regs_for_reload): Remove unused variable.
1285 * varasm.c: Include output.h after defaults.h. Define
1286 eh_frame_section as function of no args, not of unspecified args.
1288 * gcc.c: Constify argbuf; arguments to store_arg,
1289 process_command, main; elements of struct command and struct
1290 switchstr; local variables in execute, process_command, main.
1292 2000-05-20 Bruce Korb <bkorb@gnu.org>
1294 * fixinc/inclhack.def: many applications of c_fix=format + tests
1295 * fixinc/check.diff: regenerated
1296 * fixinc/fixincl.x: regenerated
1298 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1300 * alias.c: Clarify some comments.
1301 (record_base_value): REGNO is unsigned.
1302 * rtl.h (record_base_value): Likewise.
1304 * alias.c (aliases_everything_p): Don't special-case QImode here.
1305 * c-common.c (c_get_alias_set): Do it here.
1306 Handle BIT_FIELD_REF by getting alias info for arg.
1309 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1311 * mklibgcc.in: Restore rule to create ${dir}.
1313 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1315 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1316 GCC_FOR_TARGET used by MULTILIBS.
1317 * mklibgcc.in: Make sure each .o file depends on the
1318 directory it will be in.
1319 Make the multilib directory depends libgcc.
1321 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1323 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1325 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1327 * fold-const.c (make_range): Handle degenerated intervals.
1328 Fixes c-torture/execute/991221-1.c
1330 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1332 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1333 * reload.c (find_equiv_reg): Likewise.
1334 * alias.c (init_alias_analysis): Likewise.
1335 Only call prologue_epilogue_contains on insns.
1336 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1337 * bb-reorder.c (hard-reg-set.h): Include earlier.
1338 * haifa-sched.c (hard-reg-set.h): Likewise.
1339 * ifcvt.c (hard-reg-set.h): Likewise.
1340 * local-alloc.c (hard-reg-set.h): Likewise.
1341 * loop.c (hard-reg-set.h): Likewise.
1342 * predict.c (hard-reg-set.h): Likewise.
1343 * regrename.c (hard-reg-set.h): Likewise.
1344 * flow.c (hard-reg-set.h): Likewise.
1345 (reg_set_to_hard_reg_set): New function.
1346 * bitmap.c (regs.h, basic-block.h): No longer include.
1347 (bitmap.h): Now include.
1348 * conflict.c (hard-reg-set.h): Include.
1349 * profile.c (hard-reg-set.h): Likewise.
1350 * print-rtl.c (hard-reg-set.h): Likewise.
1351 * sbitmap.c (hard-reg-set.h): Likewise.
1352 * toplev.c (hard-reg-set.h): Likewise.
1353 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1354 * hard-reg-set.h (reg_names): Now constant.
1355 * regs.h (reg_names): Likewise.
1356 * regclass.c (reg_names): Likewise.
1357 * loop.h (basic-block.h): No longer include.
1358 (bitmap.h): Now include.
1359 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1360 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1361 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1363 2000-05-19 Jan Hubicka <jh@suse.cz>
1364 Richard Henderson <rth@cygnus.com>
1366 * basic-block.h (struct edge_def): New field "count".
1367 (struct basic_block_def): Likewise.
1368 * flow.c (entry_exit_blocks): Add count fileds.
1369 (split_edge): Keep count information up-to-date.
1370 (dump_edge_info, dump_flow_info): Dump count fields.
1372 * final.c (count_instrumented_edges): Rename to edge from arc.
1373 (end_final): Update users.
1374 * profile.c: Include expr.h, basic-block.h.
1375 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1376 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1377 (ignore_next_note, return_label_execution_count): Kill.
1378 (bbg_file_name, da_file_name): Kill.
1379 (edge_info, bb_info): New structures.
1380 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1381 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1382 (total_num_edges_instrumented): Likewise.
1383 (init_arc, expand_spanning_tree): Kill.
1384 (fill_spanning_tree, tablejump_entry_p): Kill.
1385 (instrument_edges): Rewrite from instrument_arcs to use
1386 commit_edge_insertions infrastructure.
1387 (compute_branch_probabilities): Remove arguments; rewrite for
1388 CFG infrastructure; use rtl_dump_file directly.
1389 (branch_prob, find_spanning_tree): Likewise.
1390 (union_groups, find_group): New.
1391 (init_branch_prob): Make bbg_file_name and da_file_name local.
1392 (end_branch_prob): Use rtl_dump_file directly.
1393 (init_edge_profiler): Rename to edge from arc.
1394 (output_arc_profiler): Kill.
1395 (gen_edge_profiler): New.
1396 (output_func_start_profiler): Turn off profiling. Make the
1397 constructor static when we can.
1398 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1400 * toplev.c (DFI_flow): Remove.
1401 (DFI_cfg, DFI_life): New.
1402 (dump_file): Update accordingly.
1403 (compile_file): Call end_branch_prob if profile_arc_flag too.
1404 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1405 profiling after the CFG is built. Move flow1 life analysis to
1406 DFI_life. Always estimate remaining probabilities.
1408 2000-05-19 Richard Henderson <rth@cygnus.com>
1410 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1412 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1414 2000-05-19 Richard Henderson <rth@cygnus.com>
1416 * jump.c (redirect_jump): Add delete_unused argument. Don't
1417 remove labels and code following when LABEL_NUSES goes to zero.
1418 (invert_jump): Likewise.
1419 (jump_optimize_1): Fix redirect/invert arguments.
1420 (do_cross_jump, thread_jumps): Likewise.
1421 * flow.c (split_edge): Likewise.
1422 * reorg.c (optimize_skip): Likewise.
1423 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1424 * profile.c (instrument_arcs): Likewise.
1425 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1426 * rtl.h: Update prototypes.
1428 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1430 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1432 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1435 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1437 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1438 past l1 when deleting whitespace and markers.
1440 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1441 * cpplib.c (do_unassert): Put the list to compare against on
1444 2000-05-19 Bruce Korb <bkorb@gnu.org>
1446 * fixinc/README: cleaned up old documentation
1447 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1448 * fixinc/check.tpl: compute the list of needed directories
1449 emit "#if defined(name)" because of conflict
1450 omit machine name differences from output differences
1451 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1452 (machine_name): change test text to use `sed' markers
1453 * fixinc/fixincl.x: regen
1455 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1457 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1460 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1462 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1463 it to match the current practice.
1465 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1467 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1469 2000-05-18 Richard Henderson <rth@cygnus.com>
1471 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1472 * rtl.h (insn_dependant_p): Declare it.
1473 * loop.c (strength_reduce): Use it.
1475 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1477 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1478 16-bit and 64-bit clean-up.
1480 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1482 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1483 * configure: Rebuilt.
1485 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1487 * genopinit.c: Use $ for escape sequences in optab patterns.
1488 Remove backslashes from optab patterns. Change $A, $B, $C to
1489 expand to (int) whatever instead of just whatever; remove
1490 explicit (int) from all optab patterns.
1492 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1493 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1494 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1495 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1498 2000-05-18 Richard Henderson <rth@cygnus.com>
1500 * jump.c (jump_optimize_1): Base minimum insn count during
1501 find_cross_jump on BRANCH_COST.
1503 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1505 * print-rtl.c (print_rtx): Only print note line number as string
1506 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1507 * final.c (final_scan_insn): Do nothing for note line number 0.
1509 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1511 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1512 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1513 NOTE_INSN_DELETED_LABEL.
1515 2000-05-18 Nick Clifton <nickc@cygnus.com>
1517 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1518 uninitialised data in .rodata not .bss, and do not interpret an
1519 error in the initialisation value as meaning that the variable
1520 should be placed in the .bss section.
1522 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1524 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1525 not `$ac_cv_prog_cc_cc_c_o'.
1526 * configure: Regenerated.
1528 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1529 Richard Henderson <rth@cygnus.com>
1531 * c-common.h (enum c_tree_index): Add g77 type entries.
1532 (g77_integer_type_node, g77_uinteger_type_node): New.
1533 (g77_longint_type_node, g77_ulongint_type_node): New.
1534 * c-decl.c (init_decl_processing): Initialize them.
1536 2000-05-18 Richard Henderson <rth@cygnus.com>
1538 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1540 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1541 (small_power_of_two): Likewise; use exact_log2.
1542 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1543 (output_adds_subs): Remove.
1544 (two_insn_adds_subs_operand): New.
1545 (split_adds_subs): New.
1546 * config/h8300/h8300-protos.h: Update.
1547 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1548 (CONST_OK_FOR_L): Match strict adds operands.
1549 (CONST_OK_FOR_N): Match struct subs operands.
1550 * config/h8300/h8300.md (adds_subs insns): Remove.
1551 (addhi patterns): Output adds/subs directly.
1552 (addsi_h8300h): Likewise.
1553 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1555 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1557 * cppexp.c (parse_assertion): New.
1558 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1559 (_cpp_parse_expr): Remove case '#'. Don't set
1560 parsing_if_directive.
1561 * cpphash.c (collect_objlike_expansion,
1562 collect_funlike_expansion, collect_params,
1563 _cpp_create_definition): The list no longer has a trailing
1565 * cpphash.h (enum node_type): Add T_ASSERTION.
1566 (struct hashnode): Remove aschain, add pred.
1567 (struct predicate): New.
1570 * cpplex.c (expand_token_space): Handle both offset and
1572 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1573 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1574 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1575 _cpp_equiv_toklists): New.
1576 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1577 stop at any single-character token, not just newline.
1578 (_cpp_lex_token): Remove special cases for #define and #if.
1579 (cpp_get_token): Expect # as a separate token type. Remove
1581 (_cpp_get_directive_token): Remove DIRECTIVE case.
1582 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1584 * cpplib.c (_cpp_check_directive): Set dirno and
1585 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1586 (_cpp_handle_directive): Run # <number> through the same logic
1587 as normal directives.
1588 (do_define): Don't set parsing_define_directive. Use
1589 _cpp_scan_until. The list does not have a VSPACE at the end.
1590 (do_if): Save, clear, and restore only_seen_white around
1592 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1593 (do_assert, do_unassert): Rewrite.
1595 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1596 (LIST_OFFSET): New flag.
1597 (struct cpp_toklist): Replace dir_handler and dir_flags with
1599 (struct cpp_reader): Remove parsing_if_directive and
1600 parsing_define_directive.
1602 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1604 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1605 following the cabs decl which terminate on the following line.
1606 Add the corresponding test_text case.
1608 2000-05-18 Neil Booth <NeilB@earthling.net>
1610 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1611 default tab stop size.
1612 (no_num, OPT_ftabstop): New.
1613 (handle_option): Handle "ftabstop=" command-line option.
1614 (print_help): Document it.
1615 * cpplex.c (COLUMN): Remove.
1616 (handle_newline): Reset col_adjust.
1617 (skip_whitespace): Update col_adjust as tabs encountered.
1618 (_cpp_lex_line): Update to use col_adjust. Call
1619 skip_whitespace for all whitespace.
1620 * cpplib.h (struct cpp_options): New member tabstop.
1621 (struct cpp_reader): New member col_adjust.
1622 (CPP_BUF_COL): Update.
1623 (CPP_BUF_COLUMN): New.
1624 * cpp.texi: Document "-ftabstop=" command line option.
1626 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1628 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1630 * configure: Rebuilt.
1632 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1634 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1636 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1637 HOST_BITS_PER_WIDE_INT is >= 64.
1639 2000-05-17 Richard Henderson <rth@cygnus.com>
1641 * jump.c (jump_optimize_1): Remove inactive but real insns
1642 in jump-to-next-insn optimization.
1644 2000-05-17 Richard Henderson <rth@cygnus.com>
1646 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1647 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1648 Don't call recompute_reg_usage if no_new_pseudos is true.
1649 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1650 Return true if we did work; update global life information.
1651 * basic-block.h (optimize_mode_switching): Update decl.
1653 2000-05-17 Neil Booth <neilb@earthling.net>
1655 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1657 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1659 * cpplib.c: New feature, #pragma system_header.
1660 * cpp.texi: Document special treatment of system headers, and
1661 the various mechanisms to get a header that special treatment.
1663 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1665 * system.h (offsetof): Define at the very end, to ensure we prefer
1666 the platform's definition if available.
1668 2000-05-16 Bruce Korb <bkorb@gnu.org>
1670 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1671 * fixinc/server.c: likewise
1672 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1673 + #ifdef debugging code + use #def constant for
1675 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1676 on C++ math namespace
1678 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1680 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1681 Don't check the return value of sprintf. Use asprintf to avoid
1684 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1686 * flags.h (warn_unused_function, warn_unused_label,
1687 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1688 Replace ``warn_unused''.
1689 (set_Wunused): Add declaration.
1690 * toplev.c (set_Wunused): New function.
1691 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1692 warn_unused_variable, warn_unused_value): New variables.
1693 (W_options): Add -Wunused-function, -Wunused-function,
1694 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1695 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1697 * toplev.c (decode_W_option): Update -Wunused flags by calling
1699 * c-decl.c (c_decode_option): Ditto for -Wall.
1701 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1702 warn_about_unused_variables): Replace warn_unused with more
1703 explicit warn_unused_value et.al.
1704 * function.c (expand_function_end): Ditto.
1705 * c-typeck.c (internal_build_compound_expr,
1706 internal_build_compound_expr): Ditto.
1707 * c-decl.c (poplevel, pop_label_level): Ditto.
1708 * toplev.c (check_global_declarations): Replace warn_unused with
1709 check for either warn_unused_function or warn_unused_variable.
1711 * gcc.1, invoke.texi (Warning Options): Document
1712 -Wunused-function, -Wunused-function, -Wunused-label,
1713 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1715 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1717 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1718 $(srcdir), not in the current directory.
1720 2000-05-16 Richard Henderson <rth@cygnus.com>
1722 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1723 assembler supports it.
1724 (.fini, .init): Use a gp-relative indirect call.
1725 (__do_global_dtors_aux): Preserve the gp; rebundle.
1726 (__do_frame_setup): Likewise.
1727 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1728 (.init): Use a gp-relative indirect call.
1729 (__do_global_ctors_aux): Preserve the gp.
1731 2000-05-16 Richard Henderson <rth@cygnus.com>
1733 * flow.c (commit_one_edge_insertion): Be prepared for a return
1734 insn to be inserted on the edge with a normal jump.
1735 * jump.c (jump_optimize_1): Don't look to create return isns.
1737 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1738 * jump.c (jump_optimize_1): Likewise.
1739 (returnjump_p): Verify the argument is a JUMP_INSN.
1740 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1742 2000-05-16 Nick Clifton <nickc@cygnus.com>
1744 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1745 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1746 (large_insn_p): Ditto.
1747 (m32r_is_insn): New function: Return true if the insn contains
1748 an executable instruction.
1749 (m32r_adjust_insn): Use m32r_is_insn.
1750 (m32r_sched_reorder): Use m32r_is_insn.
1751 (m32r_sched_variable_issue): Use m32r_is_insn.
1753 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1755 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1758 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1760 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1761 according to given options.
1763 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1765 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1766 if X has VOIDmode either.
1767 (LIMIT_RELOAD_CLASS): Similarly.
1769 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1770 not "general_operand" to match the processor's capabilities.
1772 2000-05-16 Bruce Korb <bkorb@gnu.org>
1774 * fixinc/README: corrected return address
1775 * fixinc/check.diff: regenerate, now that test works
1776 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1777 (char_macro_def_fix,char_macro_use_fix): corrected and
1778 rewrote to use regex to parse the text
1779 * fixinc/inclhack.def: more testing
1780 * fixinc/fixincl.x: regenerated
1782 * fixinc/inclhack.def: added several "test_text" attributes
1783 changed several fixes to use `c_fix = format'
1784 re-alphabetized the fixes
1786 * fixinc/check.diff: regenerate
1787 * fixinc/fixincl.x: regenerate
1788 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1792 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1794 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1796 2000-05-15 Richard Henderson <rth@cygnus.com>
1798 * toplev.c (rest_of_compilation): Run full jump pass before
1799 find_basic_blocks of flow2.
1801 2000-05-15 Richard Henderson <rth@cygnus.com>
1803 * jump.c: Fix typos and clarify commentary from last change.
1804 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1805 (safe_to_remove_jump_p): Remove.
1806 (condjump_label): Use pc_set.
1808 2000-05-15 Richard Henderson <rth@cygnus.com>
1810 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1811 that get in the way after reload.
1812 (cond_exec_process_if_block): Skip a label heading THEN block.
1814 2000-05-15 Richard Henderson <rth@cygnus.com>
1816 * varasm.c (output_constant_pool): Abort instead of converting
1817 (improperly) deleted labels to zero.
1819 2000-05-16 Neil Booth <NeilB@earthling.net>
1821 * cpplex.c (parse_string2): Update comment.
1822 (cpp_lex_line): No special assertion treatment for '('.
1823 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1824 * cpplib.h (SYNTAX_ASSERT): Remove.
1826 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1828 * jump.c (condjump_p): Mark as depreached.
1829 (any_condump_p): New.
1830 (any_uncondump_p): New.
1832 (safe_to_remove_jump_p): New.
1833 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1834 safe_to_remove_jump_p): Declare.
1836 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1838 * calls.c: Re-install both patches reverted by last patch.
1839 (struct arg_data): New field tail_call_reg.
1840 (initialize_argument_information): Initialize tail_call_reg
1841 (load_register_parameters): New argument flags, use
1842 tail_call_reg when emiting tail call sequence.
1843 (expand_call): Update call of load_register_parameters;
1844 copy unadjusted_args_size to adjusted_args_size.
1846 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
1848 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
1849 and bct_p parameters to flags.
1850 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
1851 * rtl.h (loop_optimize): Update prototype.
1852 * toplev.c (rest_of_compilation): Update call of loop_optimize.
1854 2000-05-15 Jakub Jelinek <jakub@redhat.com>
1856 * calls.c (expand_call): Move expand_start_target_temps call after
1859 2000-05-15 Neil Booth <NeilB@earthling.net>
1861 * cpphash.c (trad_stringify, warn_trad_stringify,
1862 collect_params): Make some pointers pointers to const.
1863 * cpplex.c (auto_expand_name_space) Guaranteed to always
1864 expand by at least one character.
1865 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
1866 (struct token_spelling): Use const U_CHAR * rather than PTR.
1867 (expand_name_space): Fix up token pointers if name space
1868 is moved when expanding.
1869 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
1870 parse_string2, save_comment, spell_token, cpp_output_list):
1871 Update so the routines handle tokens with a direct pointer to
1872 their text, rather than an offset into the token's list's namebuf.
1873 (_cpp_lex_line): Rearrange for clarity.
1875 * cpplib.c (_cpp_check_directive): Similarly.
1876 (do_define): Make SYM a pointer to const.
1877 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
1878 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
1879 (TOK_OFFSET): Delete.
1882 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
1884 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
1887 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
1889 (logical_u_operand): Delete.
1890 (non_logical_cint_operand): Rewrite to take MODE into account.
1891 (non_logical_u_cint_operand): Delete.
1892 (boolean_operator): New function.
1893 (print_operand): Add new %q operand.
1894 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
1895 remove logical_u_operand and non_logical_u_cint_operand,
1896 update logical_operand and non_logical_cint_operand.
1897 * config/rs6000/rs6000.md: Rewrite the patterns for performing
1898 logical operations to use %q.
1900 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
1901 (movdi): Make similar to movsi.
1902 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
1903 is no such thing as a DImode CONST_DOUBLE.
1904 * config/rs6000/rs6000.c (output_toc): Likewise.
1906 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
1907 codes when old mnemonics are in use. Print register names
1908 for cc registers when requested.
1910 * optabs.c (expand_float): Don't allow mode widening that causes
1913 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
1914 flags to their current names -maix64 and -maix32.
1916 2000-05-14 Bruce Korb <bkorb@gnu.org>
1918 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
1919 and/or after current text of file
1920 * fixinc/fixlib.c(must_malloc):
1921 * fixinc/fixlib.h(must_malloc): + reformatting
1922 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
1923 with usages of ``c_fix = wrap;''
1924 Add several tests and use the ``c_fix = format'' fixer more.
1925 * fixinc/fixincl.x: regen
1926 * fixinc/check.diff: regen
1927 * fixinc/check.tpl: emit the associated header with the missing
1930 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
1932 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
1933 variables $src and $dst.
1935 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
1937 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
1938 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
1939 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
1940 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
1942 (set_message_prefixing_rule): Declare.
1944 * diagnostic.c: (current_prefixing_rule): New variable.
1945 (set_message_prefixing_rule): Define.
1946 (output_set_prefix): Adjust buffer->emitted_prefix_p.
1947 (init_output_buffer): Adjust Initialization.
1948 (output_emit_prefix): Rewrite. Take prefixing rules into account.
1950 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
1952 * ifcvt.c (if_convert): Do not free NULL.
1954 2000-05-12 Nick Clifton <nickc@cygnus.com>
1956 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
1957 to move a double word value.
1958 (di_operand): New function: Return true if the operand is suitbale
1959 for a double word move operation.
1960 (nonimmediate_di_operand): New function: Return true if the
1961 operand is a DImode register or MEM.
1963 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
1964 nonimmediate_di_operand.
1966 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
1967 nonimmediate_di_operand.
1969 * config/fr30/fr30.md (movdi): New pattern. Required because
1970 other patterns generate DImode results.
1971 (movdi_insn): New pattern.
1973 2000-05-12 Richard Henderson <rth@cygnus.com>
1975 * config/alpha/alpha.c (struct shadow_summary): Define
1976 bitfields as type unsigned int.
1978 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
1980 * config/avr/t-avr: Added definition of FLOAT while generates
1983 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
1984 peepholes for tst+jump = sbrs/sbrc optimization.
1986 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
1988 * expr.c (emit_push_insn): Do not adjust stack pointer when
1991 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
1993 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
1994 * system.h (offsetof): ... to here.
1996 2000-05-12 Richard Henderson <rth@cygnus.com>
1998 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
1999 * final.c (final_end_function): Use app_disable. Rearrange note
2000 handling into a switch. Emit deleted labels.
2001 (output_asm_label): Generate label strings for deleted labels.
2002 * flow.c (tail_recursion_label_list): New.
2003 (find_basic_blocks_1): Set label_value_list directly. Collect list
2004 of tail recursion labels from call_placeholders. Don't add deleted
2005 labels to the label value list.
2006 (cleanup_cfg): Use free_EXPR_LIST_list.
2007 (flow_delete_insn_chain): Turn non-removable labels into notes.
2008 (flow_delete_block): Don't disable deleting the block because of
2009 a non-removable label.
2010 (tail_recursion_label_p): New.
2011 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2013 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2015 (merge_blocks): Disable a merge because of tail recursion labels.
2016 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2017 Use a more accurate measure of not merging the join block.
2018 (find_if_block): Don't disable conversion because of a label.
2019 (find_if_case_1, find_if_case_2): Likewise.
2020 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2021 element when copying.
2022 (squeeze_notes): Also leave EH notes.
2023 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2025 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2027 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2028 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2029 referring to a deleted label. Convert tail handling to a switch.
2030 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2031 for NOTE_INSN_DELETED_LABEL.
2032 (NOTE): Fix commentary.
2033 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2034 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2035 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2036 (LABEL_NUSES, LABEL_REFS): Likewise.
2037 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2039 2000-05-12 Bruce Korb <bkorb@gnu.org>
2041 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2042 * fixinc/check.diff: updated
2043 * fixinc/inclhack.def: corrected & added some test_text-s
2044 * fixinc/genfixes: removed unneeded options to autogen invocation
2045 * fixinc/fixincl.tpl: Specified the output file
2046 * fixinc/fixfixes.c: visual appearance
2047 * fixinc/fixincl.x: regenerate
2049 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2051 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2052 CTRL_defn_fix): Delete.
2053 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2054 char_macro_def_fix and char_macro_use_fix, respectively. Put
2055 them into the FIXUP_TABLE. Get the string to search for from
2058 (format_write): New function.
2059 (format_fix): Use it.
2061 (FIX_PROC_HEAD): Constify text parameter.
2062 (machine_name_fix): Constify all char *s.
2063 * fixtests.c (skip_quote): Remove double static.
2065 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2066 ctrl_use_quotes): Update for new scheme.
2067 * fixincl.x: Regenerate.
2069 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2071 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2073 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2074 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2076 2000-05-11 Robert Lipe <robertlipe@usa.net>
2078 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2079 * fixincl.x: Regenerate.
2081 2000-05-11 Richard Henderson <rth@cygnus.com>
2083 * calls.c: Revert both 05-09 patches.
2085 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2087 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2089 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2092 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2093 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2095 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2097 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2099 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2101 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2103 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2105 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2106 * config/avr/avr.c (jump_over_one_insn_p): New function.
2107 * config/avr/avr.md: New peepholes added. Output test and
2108 conditional jump to "sbrc" or "sbrs" command.
2110 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2112 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2114 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2116 * except.c (find_exception_handler_labels_1): New function.
2117 (find_exception_handler_labels): Split into two functions, dive
2118 into CALL_PLACEHOLDERs when looking for exception handler labels.
2120 2000-05-11 Stan Cox <scox@cygnus.com>
2122 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2123 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2124 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2126 2000-05-11 Bruce Korb <bkorb@gnu.org>
2128 * fixinc/fixfixes.c (double_slash_fix): obsolete
2129 (else_endif_label_fix): obsolete
2130 (format_fix): new, unused as yet
2132 * fixinc/fixlib.h: added fix description struct for use by format_fix
2133 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2134 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2135 modules. Removed the vestiges of the script version.
2136 Added support for "make check".
2137 * fixinc/check.diff: base diff file (needs work!!)
2138 * fixinc/check.tpl: quiet the fixup output
2139 * fixinc/fixtests.c (main): obsolete
2140 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2141 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2143 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2145 * toplev.c (rest_of_compilation): Remove dead code after
2148 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2150 * cpphash.c (collect_funlike_expansion): Make "# is not
2151 followed by a macro argument name" a pedwarn, not an error.
2152 Preserve the # in the output. Suppress the warning if lang_asm.
2154 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2156 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2157 * configure: Rebuilt.
2159 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2161 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2163 2000-05-10 Kazu Hirata <kazu@hxi.com>
2165 * combine.c (try_combine): Fix a typo.
2167 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2169 * config/ia64/ia64.md (insv): Add comment.
2171 2000-05-10 Richard Henderson <rth@cygnus.com>
2173 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2174 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2175 dependancies on FPBIT and DPBIT.
2177 2000-05-10 Nick Clifton <nickc@redhat.com>
2179 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2180 when optimising for size.
2181 (mark_used_regs:) Ditto.
2182 (try_pre_increment_1): Ditto.
2184 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2186 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2187 Make error message friendlier.
2189 * cpphash.h (struct hashnode): Use struct hack for name
2191 * cpphash.c (struct hashdummy): New.
2192 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2193 (make_HASHNODE): No need to set ->name pointer. Correct
2195 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2197 2000-05-10 Richard Henderson <rth@cygnus.com>
2199 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2202 2000-05-10 Bruce Korb <bkorb@gnu.org>
2204 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2206 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2208 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2209 after we enter .debug.
2211 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2213 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2214 abstract instance of a nested inline function.
2216 * stor-layout.c (finish_record_layout): finalize_type_size
2217 before laying out the pending_statics.
2219 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2221 * cpplex.c (spell_token): New function.
2222 (spell_string, spell_comment, spell_name): fold into
2225 (E, H): Remove macros.
2226 (save_comment): Save comment opening characters too.
2227 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2229 * cpplib.h (I, S): Add macros.
2230 (E, H): Remove macros.
2231 (TTYPE_TABLE): Update entries for new speller.
2232 (SYNTAX_ASSERT): Remove.
2234 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2236 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2237 when removing escaped newlines. Reverse sense of test for
2240 2000-05-09 Richard Henderson <rth@cygnus.com>
2242 * flow.c (find_basic_blocks_1): Do not delete the first
2243 bb_note we run across.
2244 (create_basic_block): Use reorder_insns to move an existing
2245 bb_note to the correct place.
2247 2000-05-09 Richard Henderson <rth@cygnus.com>
2249 * calls.c (expand_call): Increment currently_expanding_call
2250 before calling optimize_tail_recursion.
2252 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2254 * reload1.c (reload_combine): Fix errors in last change.
2256 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2258 * gcc.c (used_arg): Skip over a semicolon at the end of the
2259 split-up loop; don't break out of it.
2261 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2262 (tree.o): Depend on output.h.
2264 * c-decl.c (pending_invalid_xref_file,
2265 current_function_prototype_file): Constify.
2266 (pushdecl): Constify a local char *.
2267 (define_label): Constify filename parameter.
2268 * c-lex.c (init_parse): Constify parameter and return value.
2269 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2270 * c-tree.h: Update prototypes.
2271 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2272 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2273 objc/objc-parse.c: Regenerate.
2275 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2276 * dwarfout.h: Update prototypes.
2277 * expr.c (expand_expr): Constify a local char *.
2278 * flags.h: Constify main_input_filename.
2279 * function.c (expand_function_end): Constify filename parameter.
2280 * genrecog.c (make_insn_sequence): Use a character array for
2282 (main): Remove unused variables.
2283 * input.h: Constify input_filename, main_input_filename, and
2284 file_stack.name. Update prototypes.
2285 * output.h: Declare first_global_object_name and
2286 weak_global_object_name here, as const char *.
2287 * stmt.c (expand_asm_operands): Constify filename parameter.
2288 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2289 Constify filename parameter.
2290 (input_filename, main_input_filename): Constify.
2291 * toplev.h: Update prototypes.
2292 * tree.c: Include output.h. Don't declare
2293 first_global_object_name or weak_global_object_name. Clean up string
2294 bashing in get_file_function_name_long.
2295 * tree.h (struct tree_decl): Constify filename member.
2296 (input_filename): Constify.
2298 * varasm.c (first_global_object_name, weak_global_object_name):
2300 (assemble_start_function, assemble_variable): Clean up string bashing.
2302 * gcc.c: Constify all spec-related strings initialized,
2303 transitively, from string constants. Constify all strings
2304 and string variables related to multilibs.
2305 (set_spec, read_specs): Cast argument to free to PTR.
2306 (used_arg): Do not modify multilib_matches. Use strncmp plus
2307 length comparison to compare multilib switches.
2308 * genmultilib: Constify everything declared in multilib.h.
2310 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2312 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2315 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2317 * config/avr/avr-protos.h (extra_constraint): change a type of
2318 second argument from char to int to avoid warnings.
2319 (asm_output_byte): Likewise.
2321 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2322 (initial_elimination_offset): Handle elimination from
2323 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2324 (legitimate_address_p): Use MAX_LD_OFFSET.
2325 (legitimize_address): Likewise.
2326 (out_movqi_r_mr): Likewise.
2327 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2328 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2329 (out_movsi_mr_r): Likewise.
2330 (out_movqi_mr_r): Likewise.
2331 (out_movhi_mr_r): Likewise.
2332 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2333 count as CONST_INT != 6.
2334 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2335 shift count is a CONSTANT_P, but not a CONST_INT.
2336 (ashlhi3_out): Coding style modifications.
2337 (ashlsi3_out): Likewise.
2338 (ashrhi3_out): Likewise.
2339 (ashrsi3_out): Likewise.
2340 (lshrhi3_out): Likewise.
2341 (lshrsi3_out): Likewise.
2342 (ashrqi3_out): Generate shift for any known constant count without
2343 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2344 but not a CONST_INT.
2345 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2346 shift count is a CONSTANT_P, but not a CONST_INT.
2347 (extra_constraint): change a type of
2348 second argument from char to int to avoid warnings.
2349 (asm_output_byte): Likewise.
2350 (asm_file_end): Output size generated commands count as a hex
2353 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2355 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2357 (ashlqi3): Values of "length" attribute changed. Shift count
2358 uses constraints 'n' instead of 'i'.
2359 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2360 shifts without clobber register.
2361 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2362 (call_insn): Correct test for which_alternative == 1 (was 0).
2363 (call_value_insn): Likewise.
2365 * config/avr/t-avr: Remove definition of FLOAT while generates
2368 2000-05-09 Bruce Korb <bkorb@gnu.org>
2370 * fixinc/check.tpl: Template for checking fixes
2371 * fixinc/inclhack.def: Added 'test_text' for many fixes
2372 disable hpux8_bogus_inlines on SCO
2373 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2375 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2377 * calls.c (expand_call): Reorganize somewhat in order
2378 to avoid unnecesary recalculation inside loop and make
2379 tail call failure code cleaner.
2381 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2383 * alias.c (nonlocal_reference_p): Minor reformatting.
2384 * reload.c (find_equiv_reg): Simplify logic for
2385 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2386 some some reformatting.
2387 * reload1.c (reload_combine): Don't assume everything in
2388 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2390 2000-05-08 Richard Henderson <rth@cygnus.com>
2392 * final.c (current_insn_predicate): New.
2393 (final_scan_insn): Set it.
2394 * output.h (current_insn_predicate): Declare.
2396 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2397 Attach it to call insns.
2398 (cond_exec_process_if_block): Track probability for true and
2400 (dead_or_predicable): Likewise.
2402 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2403 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2404 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2405 (estimate_probability, expected_value_to_br_prob): Use them.
2407 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2408 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2409 (ia64_expand_prediction): New.
2410 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2411 as needed after calls.
2412 (ia64_epilogue_uses): Mark b0 used.
2413 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2414 (bne_true, bne_false): Remove.
2415 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2416 (br_true, br_false): New. Use predicate_operator and
2417 ia64_expand_prediction.
2418 (return_true, return_false): Likewise.
2419 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2420 (call_internal1, call_value_internal): Likewise.
2421 (call_value_internal1, call_multiple_values_internal1): Likewise.
2423 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2425 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2427 2000-05-08 Richard Henderson <rth@cygnus.com>
2429 * rtlanal.c (may_trap_p): Consider old-style and volatile
2432 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2434 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2436 2000-05-08 Richard Henderson <rth@cygnus.com>
2438 * config/ia64/ia64.h (predicate_operator): Declare.
2440 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2443 * gensupport.c (process_rtx): Copy and post-process each member
2444 of the define_insn rtvec individually.
2446 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2448 * cpplex.c (spell_token): New function.
2449 (TOKEN_LEN): Add 1 for whitespace.
2450 (_cpp_lex_file): Update to use spell_token.
2451 * cpplib.h (E): Remove.
2452 (TTYPE_TABLE): Update CPP_VSPACE entry.
2454 2000-05-08 Richard Henderson <rth@cygnus.com>
2456 * flow.c (init_propagate_block_info): Watch out for conditional
2457 branch to next instruction, and thus one outgoing edge.
2459 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2460 for global register variables; don't special case __[CD]TOR_LIST__;
2461 mind ggc_p for string allocation.
2463 2000-05-08 Nick Clifton <nickc@cygnus.com>
2465 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2467 2000-05-08 Bruce Korb <bkorb@gnu.org>
2469 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2470 i?86-*-msdosdjgpp* no longer uses fixincludes
2471 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2472 * fixinc/inclhack.sh: deleted
2473 * fixinc/hackshell.tpl: deleted
2474 * fixinc/inclhack.tpl: deleted
2475 * fixinc/Makefile.in: Remove dependencies on above
2476 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2478 2000-05-08 Andreas Jaeger <aj@suse.de>
2480 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2483 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2485 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2488 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2490 * cpplex.c: Move new lexer definitions and prototypes
2491 to top. Conditional include these and the code if
2492 NEW_LEXER is defined. Rename functions whose names
2493 clash if this code included.
2495 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2497 * rtl.def (COND_EXEC): Clarify.
2499 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2500 same fashion as zero_extendsidi2.
2502 2000-05-06 Richard Henderson <rth@cygnus.com>
2504 * config/ia64/ia64.c (predicate_operator): New.
2505 (ia64_print_operand): Handle 'J'.
2506 (rtx_needs_barrier): Handle COND_EXEC.
2507 * config/ia64/ia64.h (BRANCH_COST): Define.
2508 (PREDICATE_CODES): Update.
2509 * config/ia64/ia64.md: Docuement used unspec values.
2510 (attr predicable): New.
2511 (movxf, movxf_internal): New.
2512 (extendsfdf2): Don't comment out nop.
2513 (floatdidf2): Remove.
2514 (truncxfsf2, truncxfdf2, floatdixf2): New.
2515 (abssi2, absdi2): Put the neg in the "true" slot.
2516 (conditional branch instructions): Mark not predicable.
2517 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2518 (abs*_internal): Likewise.
2519 (alloc, set_bsp): Mark not predicable.
2520 (barrier, insn_group_barrier, flush_cache): Likewise.
2521 (define_cond_exec): New.
2523 2000-05-06 Richard Henderson <rth@cygnus.com>
2525 * c-decl.c: Include "tm_p.h".
2527 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2528 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2529 (ia64_expand_op_and_fetch): Declare.
2530 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2531 (setjmp_operand): Constify variables for XSTR.
2532 (ia64_encode_section_info): Likewise.
2533 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2535 (ia64_asm_output_external): Constify name.
2536 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2537 (process_for_unwind_directive): Provide switch default.
2538 (ia64_expand_compare_and_swap): Remove unused variables.
2539 (ia64_expand_builtin): Likewise.
2540 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2543 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2544 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2545 (shift_count_operand, shift_32bit_count_operand): Likewise.
2546 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2547 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2548 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2549 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2550 (ia64_expand_builtin): Likewise.
2551 (call_multiple_values_operation): Make dest_regno unsigned.
2553 2000-05-06 Richard Henderson <rth@cygnus.com>
2555 * rtl.def (DEFINE_COND_EXEC): New.
2556 * md.texi: Document it.
2558 * gensupport.c (input_file): Remove.
2559 (struct queue_elem): Add lineno.
2560 (rtx_ready_queue): Remove.
2562 (predicable_default): New.
2563 (predicable_true, predicable_false): New.
2564 (define_attr_queue, define_attr_tail): New.
2565 (define_insn_queue, define_insn_tail): New.
2566 (define_cond_exec_queue, define_cond_exec_tail): New.
2567 (other_queue, other_tail): New.
2568 (queue_pattern): New.
2569 (process_rtx): Add patterns to the appropriate queues.
2570 (is_predicable, identify_predicable_attribute): New.
2571 (n_alternatives, collect_insn_data): New.
2572 (alter_predicate_for_insn, alter_test_for_insn): New.
2573 (shift_output_template, alter_output_for_insn): New.
2574 (process_one_cond_exec, process_define_cond_exec): New.
2575 (init_md_reader): Read the entire file. Process define_cond_exec.
2576 (read_md_rtx): Return elements from the queues.
2578 2000-05-06 Richard Henderson <rth@cygnus.com>
2580 * flow.c (mark_set_1): Don't update conditional life info
2581 if the register is not_dead.
2583 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2585 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2586 (mostlyclean): Also delete fixincl, fixinc.sh, and
2587 specs.ready, and make clean in the fixinc subdir.
2589 2000-05-06 Richard Henderson <rth@cygnus.com>
2591 * Makefile.in (gensupport.o): Compile for the host.
2592 (host-prefix gensuuprt.o): Remove.
2593 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2594 (genattrtab.o): Likewise.
2595 (gencodes.o): Depend on gensupport.h.
2596 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2597 (genpeep.o, genattr.o, genoutput.o): Likewise.
2599 * gensupport.c (obstack, rtl_obstack): New.
2600 (init_md_reader): Initialize rtl_obstack.
2601 * gensupport.h (rtl_obstack): Declare.
2602 (message_with_line): Declare.
2604 * genattr.c: Remove all traces of obstack manipulation.
2605 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2606 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2608 * genattrtab.c (obstack, rtl_obstack): Remove.
2609 (main): Don't init rtl_obstack.
2610 * genflags.c: Likewise.
2612 * genrecog.c (message_with_line): Move ...
2613 * gensupport.c: ... here.
2615 2000-05-06 Richard Henderson <rth@cygnus.com>
2617 * c-typeck.c (build_c_cast): Remove dead code.
2619 2000-05-06 Richard Henderson <rth@cygnus.com>
2621 * flow.c (split_edge): Don't allocate global_live_at_start for
2622 the new block unless the old blocks had them as well.
2624 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2626 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2627 test_bb if a or b uses x.
2629 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2631 * cpphash.h: Remove conditional #define of __extension__.
2632 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2633 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2634 (ENABLE_RTL_CHECKING only).
2635 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2636 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2637 (ENABLE_TREE_CHECKING only).
2638 * varray.h: Add __extension__ to VARRAY_CHECK macro
2639 (ENABLE_CHECKING only).
2641 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2643 Use new tail-calling mechanism on ARM.
2644 * arm.md (sibcall, sibcall_value): New expands.
2645 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2646 (tailcalling peepholes): Delete.
2647 (push_multi): Simplify.
2648 * arm.c (lr_save_eliminated): Delete definition.
2649 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2650 (output_return_instruction): Remove checks on lr_save_eliminated.
2651 (output_arm_prologue): Remove old tail-calling code.
2652 (arm_output_epilogue): New parameter, really_return. All callers
2653 changed. Handle tail-calling epilogues.
2654 * arm.h (lr_save_eliminated): Delete declaration.
2655 (frame_pointer_needed): Delete declaration.
2656 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2658 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2660 * arm.c (thumb_code): Define it.
2661 (arm_override_options): Set it.
2662 * arm.h (thumb_code): Declare it.
2664 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2666 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2668 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2670 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2671 bogus clobber to insns.
2672 (load_multiple_operation, store_mulitple_operation): Don't check
2674 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2676 * arm.md (and_scc, ior_scc): Add missing mode.
2678 * arm.md (call_value_symbol): Remove predicate from op2.
2680 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2682 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2684 * expr.c (get_subtarget): New function.
2685 (force_operand, expand_expr, do_store_flag): Use it.
2687 * toplev.c (compile_file): Don't take strlen of NAME if null.
2689 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2691 * xcoffout.c (xcoff_current_include_file,
2692 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2693 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2695 (xcoffout_declare_function): Make name 'const char *'.
2696 (xcoffout_end_epilogue): Make fname 'const char *'
2697 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2698 xcoffout_declare_function, xcoffout_source_line): Match above.
2700 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2702 * rs6000.c (print_operand): Fix lossage typo.
2703 (output_cbranch): Remove "cr" decoration for now.
2704 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2706 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2708 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2711 2000-05-05 Bruce Korb <bkorb@gnu.org>
2713 * fixinc/genfixes: Improve the matching for make target names
2715 2000-05-05 Catherine Moore <clm@cygnus.com>
2717 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2718 attribute to the decl.
2719 * c-decl.c (pushdecl): Propagate the USED attribute to the
2722 2000-05-05 Richard Henderson <rth@cygnus.com>
2724 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2725 same way emit_group_load does.
2727 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2729 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2731 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2734 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2736 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2738 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2740 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2741 to support -shared, on platforms with dynamic libraries.
2743 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2745 * system.h (S_ISBLK): Provide fallback definition.
2747 2000-05-05 Geoff Berry <geoffb@bops.com>
2749 * extend.texi (Extended Asm): Document inability to give asm
2750 statements access to condition codes.
2752 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2754 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2755 as arg 2 of UNIQUE_SECTION.
2757 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2759 * predict.c: Remove May 4 change.
2760 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2761 if we have predicted the branch at 50-50 probability.
2763 2000-05-05 Richard Henderson <rth@cygnus.com>
2765 * flow.c (init_propagate_block_info): Fix merge error
2766 in HAVE_conditional_execution code.
2768 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2770 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2771 shift cycle for unknown shift count. Also generates dec + brpl.
2772 (ashlqi3_out): Don't generate dec + brpl which now generates by
2773 `out_shift_with_cnt'.
2774 (ashlhi3_out): Likewise.
2775 (ashlsi3_out): Likewise.
2776 (ashrqi3_out): Likewise.
2777 (ashrhi3_out): Likewise.
2778 (ashrsi3_out): Likewise.
2779 (lshrqi3_out): Likewise.
2780 (lshrhi3_out): Likewise.
2781 (lshrsi3_out): Likewise.
2783 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2785 * gcc.c (free_split_directories): Correct typo in explanation
2786 of make_relative_prefix.
2788 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2790 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2791 comparison codes to branch_comparison_operator.
2793 2000-05-04 Richard Henderson <rth@cygnus.com>
2795 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2797 2000-05-04 Richard Henderson <rth@cygnus.com>
2799 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2800 (DPBIT_FUNCS): Remove _sf_to_usi.
2801 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2803 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2804 between condition and jump.
2806 * libgcc2.c (near eh_context_specific): Comment #endif string.
2807 * longlong.h: Don't use strings with embedded newlines.
2809 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2811 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2812 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2813 (print_operand): Delete %t and %T codes.
2814 (output_cbranch): New function. Support branch prediction.
2815 * config/rs6000/rs6000.md: Use output_cbranch for
2816 conditional branches and returns.
2818 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2820 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2821 * stor-layout.c (place_field): Likewise.
2822 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2823 * expr.c (store_expr): Make align unsigned.
2824 * explow.c (plus_constant_wide): Make low words unsigned.
2825 * expmed.c (choose_multiplier): Likewise.
2826 * fold-const.c (fold): Likewise.
2827 * tree.h (build_int_2): Likewise.
2828 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2829 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2830 (init_emit): Change cast to unsigned char*.
2831 * varasm.c (compare_constant_1): Add cast to char*.
2832 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2833 * reload1.c (reload): Likewise.
2835 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2837 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2839 * predict.c (estimate_probability): If no prediction was found, then
2840 predict the successor that is the next physical block (if such a
2843 2000-05-04 Richard Henderson <rth@cygnus.com>
2845 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
2847 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2849 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
2851 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
2853 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
2854 attribute macros from here ...
2855 (CPP_SPEC): to here.
2856 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
2857 (CPP_SPEC): Likewise.
2858 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
2860 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
2861 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
2863 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2865 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
2867 * diagnostic (vbuild_message_string, build_message_string,
2868 build_location_prefix, output_get_prefix, init_output_buffer,
2869 output_notice, vline_wrapper_message_with_location,
2870 v_message_with_decl, default_print_error_function): De-constify.
2871 (set_real_maximum_length): Prototype.
2873 * diagnostic.h (struct output_buffer, init_output_buffer,
2874 output_get_prefix, output_set_prefix): De-constify.
2876 * function.c (init_function_start): Constify.
2878 * gensupport.c (remove_constraints, process_rtx): Prototype.
2880 * gthr-posix.h: Indent uses of #pragma.
2882 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
2885 * predict.c (find_expected_value): Delete prototype.
2886 (expected_value_to_br_prob): Initialize variable `ev_reg'.
2888 * sbitmap.h (debug_sbitmap): Prototype.
2890 * ssa.c (compute_coalesced_reg_partition): Prototype.
2892 * stor-layout.c (debug_rli): Prototype.
2894 * tree.h (round_down): Prototype.
2895 (init_function_start): Constify.
2897 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
2899 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
2900 (overly conservative). Change extern inline wrappers to
2901 static inline, define them always, use PARAMS properly.
2902 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
2903 whitespace warnings for \f and \v at the beginning of a line.
2905 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
2907 * haifa-sched.c (schedule_insns): Free the flow edge list when it
2910 2000-05-04 Bruce Korb <bkorb@gnu.org>
2912 * fixincl/inclhack.def: added broken_cabs -
2913 Remove `extern double cabs' declarations from math.h
2914 * fixincl/inclhack.sh: regen
2915 * fixincl/fixincl.x: regen
2916 * fixincl/fixincl.c: Remove BOGOSITY code
2917 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
2919 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2921 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
2923 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
2924 when calling MEM_COPY_ATTRIBUTES.
2925 * emit-rtl.c (operand_subword, change_address): Likewise.
2926 * explow.c (stabilize): Likewise.
2927 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
2928 * integrate.c (copy_rtx_and_substitute): Likewise.
2929 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
2930 when calling MEM_COPY_ATTRIBUTES.
2931 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
2933 * cse.c (gen_lowpart_if_possible): Likewise.
2934 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
2935 * optabs.c (gen_move_insn): Likewise.
2936 * recog.c (validate_replace_rtx_1): Likewise.
2937 * simplify-rtx.c (add_mem_for_addr): Likewise.
2938 * stmt.c (expand_anon_union_decl): Likewise.
2939 * config/arm/arm.md: Likewise.
2940 * config/h8300/h7300.c (fix_bit_operand): Likewise.
2941 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
2942 (block_move_no_loop, block_move_sequence): Likewise.
2943 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
2944 * config/alpha/alpha.c (get_aligned_mem): Likewise.
2945 Clear MEM_ALIAS_SET.
2946 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
2947 MEM_COPY_ATTRIBUTES.
2949 2000-05-03 Robert Lipe <robertlipe@usa.net>
2951 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
2952 to suppress libgcc1.
2953 (i[34567]86-*-sco3.2v5*) Likewise.
2954 (i[34567]86-*-sco3.2v4*) Likewise.
2955 (i[34567]86-*-sco) Likewise.
2956 (i[34567]86-*-solaris2) Likewise.
2957 (i[34567]86-*-sysv5*) Likewise.
2958 (i[34567]86-*-sysv4*) Likewise.
2959 (i[34567]86-*-udk*) Likewise.
2960 (i[34567]86-*-sysv*) Likewise.
2962 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
2964 * cpphash.h (U): New define, to correct type of string constants.
2965 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
2966 routines, to do casts when passing unsigned strings to libc.
2967 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
2969 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
2970 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
2971 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
2972 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
2973 second argument an U_CHAR *.
2975 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
2976 length field, clean up initializer.
2977 (ISTABLE): Add __extension__ to designated-
2978 initializers version.
2979 * cpplex.c (CHARTAB): Likewise.
2981 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
2982 case so the file won't be empty.
2984 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
2986 * bb-reorder.c (struct reorder_block_def): Member succ removed.
2987 (REORDER_BLOCK_SUCC): Removed.
2988 (enum reorder_skip_type): Removed.
2989 (skip_insns_between_block): Renamed to skip_insns_after_block.
2990 Removed second argument. Removed dead code and cleaned up.
2991 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
2992 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
2993 second parameter to skip_insns_after_block.
2995 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2997 * tree.c (staticp, case LABEL_DECL): New case.
2999 2000-05-03 Richard Henderson <rth@cygnus.com>
3001 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3003 * mklibgcc1.in: Fix typo last change.
3005 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3007 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3008 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3009 (GCC_CFLAGS): Use it.
3010 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3011 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3012 objc/Make-lang.in: Use it.
3014 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3016 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3018 2000-05-03 Richard Henderson <rth@cygnus.com>
3020 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3021 LIBGCC1 empty with libgcc1.null.
3023 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3025 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3028 2000-05-03 Greg McGary <gkm@gnu.org>
3030 * tree.h (tree_common): Add bounded_flag member. Remove
3031 inaccurate comment about number of remaining bits.
3032 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3033 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3034 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3035 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3036 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3037 (TYPE_QUAL_BOUNDED): New constant.
3038 (TYPE_QUALS): Handle bounded qualifier.
3039 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3040 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3041 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3042 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3043 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3044 (tree_type): Add pointer_depth member. Remove
3045 inaccurate comment about number of remaining bits.
3046 (DECL_POINTER_DEPTH): Add macro.
3047 (tree_decl): Add pointer_depth member.
3049 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3051 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3052 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3053 (lshrhi3_out): Likewise.
3054 (ashrsi3_out): bugfix in shift by 8.
3055 (test_hard_reg_class): New function.
3056 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3057 (ashlhi3): removed define_expand of this pattern.
3058 (*ashlhi3_insn): renamed to ashlhi3.
3059 (ashlsi3): removed define_expand of this pattern.
3060 (*ashlsi3_insn): renamed to ashlsi3.
3061 (ashrqi3): removed define_expand of this pattern.
3062 (*ashrqi3_insn): renamed to ashrqi3.
3063 (ashrhi3): removed define_expand of this pattern.
3064 (*ashrhi3_insn): renamed to ashrhi3.
3065 (ashrsi3): removed define_expand of this pattern.
3066 (*ashrsi3_insn): renamed to ashrsi3.
3067 (lshrhi3): removed define_expand of this pattern.
3068 (*lshrhi3_insn): renamed to lshrhi3.
3069 (lshrsi3): removed define_expand of this pattern.
3070 (*lshrsi3_insn): renamed to lshrsi3.
3072 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3074 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3075 inclusion of "system.h".
3077 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3079 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3082 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3084 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3085 if -mauto-pic is on.
3086 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3087 -mconstant-gp is in effect and function-descriptors are being used
3088 to make indirect calls.
3089 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3090 (MASK_AUTO_PIC): Ditto.
3091 (TARGET_CONST_GP): Ditto.
3092 (TARGET_AUTO_PIC): Ditto.
3093 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3094 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3095 -mno-pic is in effect.
3096 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3097 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3098 -mauto-pic is in effect.
3099 (gprel64_offset): New pattern.
3100 (load_gprel64): Ditto.
3101 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3102 -mconstant-gp is in effect, no need to preserve gp around direct
3104 (call_value): Ditto.
3105 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3106 (FUNCTION_PROFILER): Define.
3107 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3108 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3109 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3111 2000-05-03 Richard Henderson <rth@cygnus.com>
3113 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3114 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3115 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3116 (mklibgcc, libgcc.mk): New targets.
3117 (libgcc.a): Use libgcc.mk.
3118 (stmp-multilib): Likewise.
3119 (stmp-multilib-sub): Remove.
3120 (mostlyclean): Don't delete libgcc2 temp files.
3121 * configure.in (AC_PROG_CC_C_O): Add.
3122 (NO_MINUS_C_MINUS_O): Substitute it.
3123 (all_outputs): Add mklibgcc.
3124 * mklibgcc.in: New file.
3126 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3128 * cppexp.c (op_t): Make an int.
3130 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3132 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3134 * gensupport.c (process_rtx): Fix macros used.
3136 2000-05-03 Richard Henderson <rth@cygnus.com>
3138 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3139 call-clobbered registers of a call.
3141 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3143 * gensupport.c: New file.
3144 * gensupport.h: New file.
3145 * Makefile.in (HOST_RTL): Depend on gensupport.
3146 (gensupport.o) New rule.
3147 * genattr.c: Use gensupport for reading .md files.
3148 * genattrtab.c: Ditto.
3149 * gencodes.c: Ditto.
3150 * genconfig.c: Ditto.
3152 * genextract.c: Ditto.
3153 * genflags.c: Ditto.
3154 * genopinit.c: Ditto.
3155 * genoutput.c: Ditto.
3157 * genrecog.c: Ditto.
3158 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3159 * md.texi (Insn Splitting): Document define_insn_and_split.
3161 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3163 * flow.c (verify_flow_info): Added two more sanity checks. The
3164 first checks that the blocks are numbered consecutively. The second
3165 checks that n_basic_blocks is actually equal to the number of
3166 basic blocks in the insn chain.
3168 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3170 * cpplib.h: Add accessor macros for token lists.
3171 * cpplib.c, cpphash.c, cpplex.c: Use them.
3173 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3175 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3176 memory usage if not in a function.
3177 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3178 return address if static.
3180 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3182 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3183 whether address may trap.
3185 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3187 * bb-reorder (chain_reorder_blocks): Changed code to test for
3188 EDGE_FALLTHRU rather than making erroneous assumption that the
3189 first outgoing edge is the fall-through edge.
3191 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3193 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3194 ABI for varargs, across all MIPS. This is incompatible because the
3195 va_list (__builtin_va_list) structure is different, so a compilation
3196 unit passing a va_list and a compilation unit being passed one, should
3197 both be compiled with the same ABI. (The old structure had two
3198 pointers, now it has three.)
3200 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3202 * bb-reorder.c (struct reorder_block_def): Remove members end,
3203 block_begin, and block_end.
3204 (REORDER_BLOCK_OLD_END): Delete.
3205 (REORDER_BLOCK_BEGIN): Delete.
3206 (REORDER_BLOCK_END): Delete.
3207 (chain_reorder_blocks): Remove dead code.
3209 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3211 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3212 notes as the end of a basic block before deleting.
3214 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3216 * final.c (final_start_function): Fix spelling of "necessary".
3218 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3220 * toplev.c (debug_ignore_block): Return int.
3221 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3222 * toplev.h, dwarf2out.h: Adjust.
3223 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3225 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3226 * toplev.c, final.c, rtl.h: Adjust.
3228 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3230 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3231 * configure.in: Look for makeinfo in the unified tree, then
3232 for a system makeinfo which is sufficiently new.
3233 * Makefile.in: If configure says makeinfo is too old, don't
3234 build or install Info documentation.
3236 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3238 * cpphash.c (collect_params): Fix off-by-one error.
3239 (dump_hash_helper): Dump all four macro nodetypes.
3241 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3243 * cpphash.c (trad_stringify): Adjust p after stringification as
3246 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3248 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3249 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3251 * cppfiles.c (file_cleanup): Delete.
3252 * cpphash.c (macro_cleanup): Delete.
3253 (collect_objlike_expansion, collect_funlike_expansion,
3254 macarg, scan_arguments): Remove CPP_POP case.
3256 * cpplex.c (null_cleanup): Delete.
3257 (cpp_pop_buffer): Do the work that was done in the cleanups
3258 here. Call _cpp_unwind_if_stack from here.
3259 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3260 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3261 stack is the buffer _below_ the one we stacked.
3262 (cpp_get_token): Always pop an exhausted buffer. Return
3263 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3264 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3265 increment the line number.
3266 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3268 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3269 we see CPP_EOF and the top of stack is the buffer _below_ the
3271 * scan-decls.c: Likewise.
3273 2000-05-02 Andrew Haley <aph@cygnus.com>
3275 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3276 where this function is called for the second time on a decl that
3277 has had its section info changed in such a way as to move it out
3279 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3281 2000-05-01 Richard Henderson <rth@cygnus.com>
3283 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3284 the sequence we're moving, not to merge_bb->head.
3286 2000-05-01 Richard Henderson <rth@cygnus.com>
3288 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3289 reference to alpha/t-linux.
3290 (alpha*-*-linux-gnu*): Likewise.
3291 * configure: Rebuild.
3293 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3295 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3298 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3300 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3302 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3305 2000-05-01 Richard Henderson <rth@cygnus.com>
3307 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3308 emit_conditional_move.
3310 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3312 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3313 as the dynamic linker.
3315 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3317 * cppfiles.c (open_include_file): Open file in blocking mode.
3318 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3319 Only exclude block devices and directories.
3321 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3322 static. Allocate the hashnode and its string in the same
3324 (del_HASHNODE): Don't free h->name.
3325 (_cpp_lookup): If there is no entry for this string, create
3326 one, of type T_VOID.
3327 (_cpp_lookup_slot): Delete.
3328 * cpphash.h: Update prototypes.
3330 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3332 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3333 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3334 node here, just fill in the value field properly. "Delete"
3335 entries by setting the value field to T_VOID. Check for
3336 hp->type == T_VOID, not hp == NULL.
3338 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3339 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3342 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3344 * config/mn10300/mn10300.c (print_operand_address): Do not add
3347 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3348 adjusted by less than 256 bytes, use ret regardless of having any
3349 callee-saved register to restore.
3351 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3353 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3355 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3357 * config/i386/djgpp.h (INT_ASM_OP): Define.
3358 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3359 (ASM_WEAKEN_LABEL): Define.
3360 (MASK_BNU210): Define.
3361 (SUBTARGET_SWITCHES): Define.
3362 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3363 (MAKE_DECL_ONE_ONLY): Define.
3364 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3366 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3368 * i386/cygwin.h (INT_ASM_OP): Define.
3370 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3372 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3373 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3375 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3377 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3378 __tmp_reg__ and __zero_reg__ initialization.
3380 2000-04-30 Richard Henderson <rth@cygnus.com>
3382 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3384 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3385 referenced bewteen the condition and the jump. Don't delete
3386 anything but the jump.
3388 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3390 * bb-reorder.c (scope_def): New struct.
3391 (scope_forest_info): New struct.
3392 (struct reorder_block_def): New member "scope".
3393 (REORDER_BLOCK_SCOPE): New macro.
3394 (relate_bbs_with_scopes): New function and prototype.
3395 (make_new_scope): Likewise.
3396 (build_scope_forest): Likewise.
3397 (remove_scope_notes): Likewise.
3398 (insert_intra_1): Likewise.
3399 (insert_intra_bb_scope_notes): Likewise.
3400 (insert_inter_bb_scope_notes): Likewise.
3401 (rebuild_scope_notes): Likewise.
3402 (free_scope_forest_1): Likewise.
3403 (free_scope_forest): Likewise.
3404 (dump_scope_forest): Likewise.
3405 (dump_scope_forest_1): Likewise.
3406 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3407 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3409 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3410 and remove_scope_notes before reordering is done. Added calls to
3411 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3412 after reordering is done.
3414 2000-40-30 Bruce Korb <bkorb@gnu.org>
3416 * fixinc/inclhack.def: Added definitions needed by OSR5,
3417 removed two stale entries (defined away with OLD_CPP).
3418 * fixinc/inclhack.sh: regen
3419 * fixinc/fixincl.x: regen
3421 2000-04-30 Richard Henderson <rth@cygnus.com>
3423 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3424 from the last insn in the sequence.
3426 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3428 * cpplex.c (cpp_idcmp): New function.
3429 * cpplib.h: Prototype it.
3430 * scan_decls.c (scan_decls): Use it to inspect token names.
3431 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3432 the file being run through the preprocessor.
3433 (check_macro_names): Provide length of token to cpp_defined.
3435 * Makefile.in: Remove stale warning message.
3437 * cppfiles.c (redundant_include_p): Provide length of token to
3439 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3440 values are unsigned int.
3441 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3442 (_cpp_lookup_slot): Do not calculate the hash, either.
3443 * cpphash.h: Update prototypes.
3444 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3445 Hashes are unsigned int. Calculate hash here, pass by value
3446 to _cpp_lookup_slot.
3448 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3450 * simplify-rtx.c (check_value_useless): Delete function.
3451 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3453 (cselib_invalidate_regno): Likewise.
3454 (cselib_invalidate_mem_1): Likewise.
3455 (references_value_p): Recognize useless values by the fact that they
3457 (discard_useless_values): Likewise.
3458 (cselib_record_set): This may turn a useless value
3461 2000-04-30 Richard Henderson <rth@cygnus.com>
3463 * config/d30v: New port.
3465 * configure.in (d30v-*): Set fp format.
3466 * configure: Rebuild.
3468 2000-04-30 Richard Henderson <rth@cygnus.com>
3470 * ifcvt.c: New file.
3471 * Makefile.in (OBJS): Add it.
3472 (ifcvt.o): New target.
3473 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3474 and conditional arithmetic.
3475 (find_insert_position): Remove.
3476 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3477 * toplev.c (DFI_ce, DFI_ce2): New.
3478 (dump_file): Add ce and ce2 dumps.
3479 (rest_of_compilation): Run if_convert a couple o times. Set
3480 cse_not_expected after cse2. Don't set no_new_pseudos until
3481 after sched1 or recompute_reg_usage.
3483 2000-04-30 Richard Henderson <rth@cygnus.com>
3485 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3486 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3488 2000-04-30 Richard Henderson <rth@cygnus.com>
3490 * flow.c (struct reg_cond_life_info): New.
3491 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3492 (init_propagate_block_info): Initialize them.
3493 (free_propagate_block_info): Destruct them.
3494 (mark_set_1): Consider conditional life before killing a register.
3495 (mark_regno_cond_dead): New.
3496 (free_reg_cond_life_info): New.
3497 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3498 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3499 (mark_used_reg): Record conditional life.
3501 * haifa-sched.c (schedule_insns): Disable death counting
3502 sanity check for HAVE_conditional_execution.
3504 2000-04-30 Richard Henderson <rth@cygnus.com>
3506 * Makefile.in (TIMEVAR_H): New.
3507 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3508 (timevar.h): Remove rule.
3510 2000-04-29 Richard Henderson <rth@cygnus.com>
3512 * config/alpha/crtend.asm: Use C comments instead of #.
3513 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3515 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3517 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3519 * cpphash.h (enum node_type: Take out T_MCONST.
3520 (union hashval): Move into struct hashnode.
3521 (struct hashnode): Pack tighter. Remove file, line, col
3523 * cpphash.c: Constify most of the macro-definition structures.
3524 (struct definition): Replace by struct object_defn
3525 and struct funct_defn. Put file, line, column information
3526 here. All users updated to match.
3527 (_cpp_create_definition, _cpp_macroexpand): Remove special
3528 case for #define WORD OTHERWORD.
3529 * cpplib.c (do_undef): Remove T_MCONST case.
3531 * cpphash.h: Move struct reflist, struct definition, and the
3532 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3533 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3534 * cpphash.c (_cpp_free_definition): Free data pointed to by
3535 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3536 (_cpp_create_definition, del_HASHNODE): Just call
3537 _cpp_free_definition to clear out a hashnode.
3538 * cpplib.c (do_pragma_poison): Likewise.
3540 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3542 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3543 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3544 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3545 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3546 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3547 REGNO_AM33_P): Redefine in terms of the new macros.
3548 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3549 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3550 STRUCT_VALUE): Likewise.
3551 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3552 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3554 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3556 * regmove.c (struct record_stack_memrefs_data): New.
3557 (record_stack_memrefs): New function.
3558 (combine_stack_adjustments_for_block): Use it.
3560 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3562 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3563 use special_function_p to detect alloca.
3565 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3567 * gcc.texi: Fixes for makeinfo 4.0 --html.
3569 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3571 * pcp.h: Delete file.
3573 2000-04-28 Kazu Hirata <kazu@hxi.com>
3575 * h8300.c (function_epilogue): Clean up flags when the last insn
3576 in a function is a barrier.
3578 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3580 * configure.in (sparc-hal-solaris2*): protect [] glob from
3582 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3583 rather than hard-coded constants in target_cpu_default2.
3584 * configure: Regenerate.
3586 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3588 * tree.c (get_callee_fndecl): Extract the initial value from
3591 2000-04-28 Richard Henderson <rth@cygnus.com>
3593 * varasm.c (record_constant_1): Record the CODE_LABEL when
3594 taking the address of a LABEL_REF.
3596 2000-04-28 Richard Henderson <rth@cygnus.com>
3597 Jan Hubicka <jh@suse.cz>
3599 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3600 adjustment; don't do the stack adjust.
3601 (expand_call): Call compute_argument_block_size right before
3602 allocating the block; update comment; don't do alignment sanity
3603 checking for sibling call; use args_size instead of
3604 unadjusted_args_size before args_size is adjusted. Use
3605 combine_pending_stack_adjustment_and_call to compute stack adjust
3606 for must_preallocate case.
3608 * expr.c (push_block): Remove shadow `temp' in inner scope.
3610 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3612 * toplev.c (rest_of_compilation): Call
3613 note_deferral_of_defined_inline_function even if the function
3616 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3618 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3620 2000-04-28 Richard Henderson <rth@cygnus.com>
3622 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3624 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3626 * timevar.c (init_timevar): DeANSIfy function definition.
3628 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3630 * Makefile.in (timevar.o): Depend on flags.h.
3631 * timevar.c (unused_stack_instances): New variable.
3632 (timevar_push): Take a timevar_stack_def from
3633 unused_stack_instances if available.
3634 (timevar_pop): Push the popped timevar_stack_def onto
3635 unused_stack_instances.
3636 (TIMEVAR_ENABLE): New macro.
3637 (timevar_def): Make standalone a 1-bit field. Add field used.
3638 (get_time): Rename parameter to now. Return after clearing it if
3640 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3641 (timevar_pop): Likewise.
3642 (timevar_stop): Likewise.
3643 (timevar_push): Likewise. Mark the timing variable as used.
3644 (timevar_start): Likewise.
3645 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3646 timevars that were never used.
3648 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3650 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3651 always TREE_READONLY.
3653 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3655 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3656 for call instruction with mode QImode.
3658 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3660 * Makefile.in (OBJS): Add timevar.o.
3661 (toplev.o): Depend on timevar.h.
3662 (ggc-simple.o): Likewise.
3663 (ggc-page.o): Likewise.
3664 (timevar.o): New rule.
3665 (timevar.h): New rule.
3667 * timevar.h: New file.
3668 * timevar.c: Likewise.
3669 * timevar.def: Likewise.
3671 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3672 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3674 (TIMEVAR): Remove macro.
3675 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3676 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3677 flow_time, combine_time, regmove_time, sched_time,
3678 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3679 sched2_time, dbr_sched_time, reorder_blocks_time,
3680 rename_registers_time, shorten_branch_time, stack_reg_time,
3681 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3683 (compile_file): Don't initialize time variables. Call
3684 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3685 of many calls to print_time.
3686 (rest_of_compilation): Add timing for reload_cse_regs.
3687 (get_run_time): Removed to timevar.c.
3688 (print_time): Likewise.
3689 (get_run_time): Implement using TV_TOTAL time variable.
3690 (print_time): Get total run time from get_run_time.
3691 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3692 computing elapsed time explicitly.
3693 * ggc-simple.c (ggc_collect): Likewise.
3694 (gc_time): Remove declaration.
3696 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3698 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3699 (expand_call): Use it.
3701 2000-04-27 Jan Hubicka <jh@suse.cz>
3703 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3706 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3708 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3711 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3713 * function.c (epilogue_done): Pass whole insn to record_insns.
3715 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3717 * cse.c (CSE_ADDRESS_COST): Remove.
3718 (find_best_addr): Add new parameter "MODE", use address_cost instead
3720 (address_cost): New.
3721 (fold_rtx): Update call of find_best_addr.
3722 * rtl.h (address_cost): Declare.
3723 * loop.c (general_induction_var): Add new parameter "MODE", use
3724 address_cost instead of ADDRESS_COST
3725 (init_loop): Use address_cost instead of ADDRESS_COST.
3726 (check_insn_for_givs): Update call of general_induction_var.
3727 (find_mem_givs): Likewise.
3728 (consec_sets_giv): Likewise.
3729 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3730 * i386.c (ix86_address_cost): New.
3731 * i386-protos.h (ix86_address_cost): Declare.
3733 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3735 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3738 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3740 * expr.c (store_expr): Use clear_storage instead of direct memset
3743 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3745 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3746 ASHIFT, AND and LABEL_REF.
3748 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3750 * invoke.texi (-foptimize-sibling-calls): Fix.
3752 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3754 * loop.c (load_mems) Don't use hard registers for the hoisting.
3756 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3757 calculation; rename const_equiv array in the preconditioning code
3758 from loop_unroll to loop_unroll_precondition
3760 2000-04-27 Richard Henderson <rth@cygnus.com>
3762 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3764 (propagate_one_insn): Clear it. Don't update reg_live here.
3765 (init_propagate_block_info): Update for pbi member changes.
3766 (free_propagate_block_info): Likewise.
3767 (mark_set_1): Know that zero_extract, sign_extract, and
3768 strict_low_part don't kill their argument. Alter hard subregs.
3769 Update new_set for non-CLOBBER sets. Update reg_live.
3770 (find_auto_inc): Update reg_live, not new_dead.
3771 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3772 to determine if the reg in question was set this insn. Only update
3773 reg info with PROP_REG_INFO.
3775 2000-04-26 Richard Henderson <rth@cygnus.com>
3777 * flow.c (allocate_reg_life_data): Set max_regno here ...
3778 (life_analysis): ... not here.
3780 * flow.c (calculate_global_regs_live): Force stack pointer
3783 2000-04-26 Richard Henderson <rth@cygnus.com>
3785 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3786 commit change group changes.
3787 (invert_exp_1): Similarly.
3788 (redirect_exp, invert_exp): Use them.
3789 (redirect_jump_1): New.
3790 (invert_jump_1): New.
3791 (jump_optimize_1): Remove code subsumed by condexec.c.
3792 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3794 2000-04-26 Richard Henderson <rth@cygnus.com>
3796 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3798 * genconfig.c (main): Set all HAVE_foo to 1.
3800 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3802 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3804 * invoke.texi: Document -fssa flag.
3806 2000-04-26 Richard Henderson <rth@cygnus.com>
3808 * flow.c (count_reg_sets_1): Remove.
3809 (count_reg_sets, count_reg_references): Remove.
3810 (recompute_reg_usage): Implement with update_life_info.
3811 Reallocate life data.
3813 2000-04-26 Richard Henderson <rth@cygnus.com>
3815 * flow.c (update_life_info): Consider blocks null to mean the
3817 (calculate_global_regs_live): Likewise.
3818 (life_analysis): Do that instead of collecting all_blocks.
3820 2000-04-26 Richard Henderson <rth@cygnus.com>
3822 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3823 a still-valid conditional jump.
3825 2000-04-26 Richard Henderson <rth@cygnus.com>
3827 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3829 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3830 * flow.c (calculate_loop_depth): Remove.
3831 * output.h (calculate_loop_depth): Don't declare.
3832 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3833 inline; run estimate_probability at the same time.
3835 2000-04-26 Neil Booth <NeilB@earthling.net>
3837 * cpplib.h: "~=" is not a single pp-token.
3838 * cpplex.c: Correct commentary.
3840 2000-04-26 Richard Henderson <rth@cygnus.com>
3842 * flow.c (mark_set_1): New arguments code and flags; update all
3843 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
3844 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
3845 loop_depth when optimizing for size. Do new_dead update after
3846 emitting REG_UNUSED notes. Merge mark_set_reg code.
3847 (mark_set_reg): Remove.
3848 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
3849 arrange to not emit REG_UNUSED notes.
3851 2000-04-26 Richard Henderson <rth@cygnus.com>
3853 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
3854 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
3856 2000-04-26 Richard Henderson <rth@cygnus.com>
3858 * flow.c (propagate_one_insn): Break out from propagate_block.
3859 (init_propagate_block_info): Likewise.
3860 (free_propagate_block_info): Likewise.
3861 (propagate_block): Use them. Export.
3862 * basic-block.h: Declare them all.
3864 2000-04-26 Richard Henderson <rth@cygnus.com>
3866 * basic-block.h (life_analysis): Declare here ...
3867 * output.h: ... not here.
3868 * flow.c (life_analysis): Remove nregs parameter; replace
3869 remove_dead_code with flags. Remove ssa dead code check.
3870 Only init alias analysis if we'll use it.
3871 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
3872 * ssa.c (convert_to_ssa): Likewise.
3873 (convert_from_ssa): Likewise.
3874 * toplev.c (rest_of_compilation): Likewise.
3876 2000-04-26 Richard Henderson <rth@cygnus.com>
3878 * flow.c (flow_delete_block): Rename from delete_block. Export.
3879 * basic-block.h (flow_delete_block): Declare.
3881 2000-04-26 David S. Miller <davem@redhat.com>
3883 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
3884 taking a PATTERN of it.
3886 2000-04-26 <NeilB@earthling.net>
3888 * cpplex.c (spell_other, spell_char): Remove.
3890 (token_spelling, trigraph_map): Use unsigned chars.
3891 (_cpp_lex_line): Tidy up the switch statement.
3892 * cpplib.h: Implement spell_char with spell_string.
3895 2000-04-26 <RodneyBrown@pmsc.com>
3897 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3898 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
3900 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3902 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
3903 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
3904 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
3905 dwarf2out_return_save, dwarf2out_return_reg,
3906 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
3907 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
3908 gen_compile_unit_die, dwarf2out_init): Constify a char*.
3910 * dwarf2out.h (dwarf2out_init): Likewise.
3912 * dwarfout.c (filename_entry, primary_filename, last_filename,
3913 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
3915 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
3916 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
3917 dwarf2out_return_reg): Likewise.
3919 2000-04-26 Andreas Jaeger <aj@suse.de>
3921 * extend.texi (Function Attributes): Fix description of pure
3924 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3926 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
3927 before calling rest_of_compilation.
3929 2000-04-26 Andreas Jaeger <aj@suse.de>
3931 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
3934 2000-04-25 Richard Henderson <rth@cygnus.com>
3936 * cse.c (cse_insn): Emit barrier after unconditional jump.
3938 * calls.c (expand_call): Disable tail call generation once
3939 rtx_equal_function_value_matters is false.
3941 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
3944 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
3946 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
3948 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
3950 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
3951 is the primary DIE for a member function.
3952 (gen_decl_die): Call set_decl_origin_self here.
3953 * dwarfout.c (output_decl): And here.
3954 * integrate.c (output_inline_function): Not here.
3955 Don't clear DECL_INLINE until after calling rest_of_compilation.
3956 (set_decl_origin_self): No longer static.
3957 * tree.h: Add prototype.
3958 * toplev.c (note_deferral_of_defined_inline_function): Only write
3959 out abstract instance for actual inlines.
3961 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
3963 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
3964 EXTENDED_REGS only if TARGET_AM33.
3965 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
3966 SP_REGS to register allocation and reloading unless absolutely
3968 (movsi3): Remove special-case of adding non-constants to SP.
3970 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3972 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
3973 INCLUDES to search and does not provide any of its own. Also it
3974 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
3975 parameters. Also it does not call AC_DEFINE.
3976 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
3977 AC_DEFINE and provides for automatic entries for autoheader.
3978 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
3980 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
3981 so we can pass -I flags and include gansidecl.h/system.h in this
3984 * acconfig.h: Delete all NEED_DECLARATION_* entries.
3986 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3988 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3989 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3990 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
3992 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
3993 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
3994 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
3995 for these macros. Clean up spacing and linewraps.
3997 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
3999 * calls.c (expand_call): Use get_callee_fndecl.
4001 * print-tree.c (print_node): Print the chain of an _EXPR.
4003 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4004 Jim Wilson <wilson@cygnus.com>
4005 Andrew Haley <aph@cygnus.com>
4007 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4008 and gp save/restore problems.
4009 * config/ia64/crtend.asm: Add IA-64 unwind support.
4010 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4011 in fr_pad_size calculation.
4012 (save_restore_insns): Move PR save area. Correct uses of
4013 RTX_FRAME_RELATED_P.
4014 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4015 (ia64_expand_epilogue): Add eh_epilogue support.
4016 (ia64_function_prologue): Emit .prologue directive.
4017 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4018 (ia64_override_options): Set init_machine_status and
4019 mark_machine_status.
4020 (rtx_needs_barrier): Handle bsp reads and writes.
4021 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4022 New static variables.
4023 (process_set, process_for_unwind_directive): New functions.
4024 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4025 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4026 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4028 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4029 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4030 (struct machine_function): Define.
4031 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4033 2000-04-25 Bruce Korb <bkorb@gnu.org>
4035 * fixinc/Makefile.in: make the removal of old programs more
4037 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4038 install-bin and install-sh
4040 2000-04-25 Nick Clifton <nickc@cygnus.com>
4042 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4043 defined, define to return zero.
4044 (function_cannot_inline_p): If a function has any target
4045 specific attributes, then use the macro
4046 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4047 whether it can be inlined. If it cannot, issue a suitable
4050 * tm.texi: Add a new node 'Inlining' to document the new macro
4051 FUNCTION_ATTRIBUTE_INLINABLE_P.
4053 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4055 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4058 2000-04-25 Neil Booth <NeilB@earthling.net>
4060 Restore previous patch, plus the following fixes:
4062 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4063 flags, not CPP_OPEN_PAREN.
4064 * cpplex.c (expand_token_space, init_token_list,
4065 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4066 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4068 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4070 * config/i386/freebsd.h (INT_ASM_OP): Define.
4072 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4074 * loop.c (strength_reduce): Fix typo in the last checkin.
4076 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4078 * stor-layout.c (finalize_record_size): Simplify to use existing
4080 (compute_record_mode): No longer static.
4081 * tree.h (compute_record_mode): New declaration.
4083 2000-04-25 Neil Booth <NeilB@earthling.net>
4085 * Revert my patch below until cause of build failures
4088 2000-04-25 Richard Henderson <rth@cygnus.com>
4090 * combine.c (combine_instructions): Add missing argument
4093 * toplev.c (rest_of_compilation): Delay sibcall optimization
4094 until after emit_eh_context.
4096 2000-04-24 Nick Clifton <nickc@redhat.com>
4098 * combine.c (combine_instructions): Do not try to combine a
4099 sequence of insns when the second insn has been replaced by a
4102 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4104 * gcc.c (load_specs): New static function.
4105 (read_specs): Use it.
4107 * gcc.c (lookup_compiler): Make multiple passes for case
4108 insensitive filesystems.
4110 2000-04-24 Neil Booth <NeilB@earthling.net>
4112 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4113 * cpphash.h (_cpp_check_directive): new.
4114 * cpplex.c (handle_newline, cpp_free_token_list,
4115 init_trigraph_map, trigraph_ok, trigraph_replace,
4116 backslash_start, skip_block_comment, skip_line_comment,
4117 skip_whitespace, parse_name, parse_number, parse_string,
4118 copy_comment, _cpp_lex_line, spell_char, spell_string,
4119 spell_comment, spell_name, spell_other, _cpp_lex_file,
4120 _cpp_output_list): new.
4121 (expand_name_space): take length argument.
4122 (init_token_list): add comment list initialisation.
4123 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4124 instead of HSPACE_BEFORE.
4126 * cpplib.c (_cpp_check_directive): new
4127 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4128 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4129 (HSPACE_BEFORE): delete.
4130 (TTYPE_TABLE): rearrange.
4131 (struct cpp_toklist): update.
4133 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4135 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4136 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4137 argument form of AC_DEFINE.
4139 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4140 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4141 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4142 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4143 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4145 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4147 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4149 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4150 deduced.h): Use -isystem, not -I, for including system headers.
4152 2000-04-24 Nick Clifton <nickc@cygnus.com>
4154 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4155 the source register is the frame pointer or arg pointer.
4156 (addsi3_small_int): Disallow if source register is the frame
4157 pointer or arg pointer.
4159 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4161 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4162 call to AC_MSG_RESULT.
4164 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4166 * invoke.texi: Correct grammatical errors, document
4167 -fno-gnu-keywords as identical to -fno-asm for C++.
4169 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4171 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4172 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4173 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4174 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4175 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4177 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4178 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4179 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4180 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4183 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4185 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4186 (pop_alignment): Likewise.
4187 (handle_pragma_token): Likewise.
4189 2000-04-24 Robert Lipe <robertlipe@usa.net>
4191 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4193 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4195 * combine.c (try_combine): Update reg_nonzero_bits of
4196 newi2pat before newpat.
4198 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4200 * loop.c (strength_reduce): Simplify test to INSN_P.
4201 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4202 expressions instead of CONST_INT.
4203 (express_from_1): Likewise.
4205 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4207 * regs.h (reg_n_max): Don't declare.
4208 * flow.c (reg_n_max): Don't define.
4209 * regclass.c (renumber): Don't initialize to zero.
4210 (regno_allocated): Likewise.
4211 (reg_n_max): Define.
4212 (allocate_reg_info): Don't initialize unnecessarily.
4214 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4216 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4217 and blockage_p in the newly allocated attribute.
4219 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4221 * config/mn10300/mn10300.md (addsi): `inc4' on address
4222 registers does not modify cc, but `inc' on an extended
4225 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4227 * reload.c (find_equiv_reg): Checks all valueno regs
4228 as a reload_reg_p regs.
4230 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4232 * cpphash.c (collect_objlike_expansion): Add sanity check.
4233 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4234 the buffer is the empty string, return. Mark __DATE__ and
4235 __TIME__ as XCONST nodes, not MCONST.
4236 (_cpp_macroexpand): Avoid pushing an empty buffer.
4237 (funlike_macroexpand): Don't pop token_buffer here.
4239 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4241 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4242 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4243 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4244 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4245 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4246 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4247 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4249 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4251 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4254 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4256 * cpphash.h (struct definition): Move file, line, col members...
4257 (struct hashnode): ... here. Also add 'disabled' flag.
4258 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4259 T_IDENTITY. Remove T_DISABLED.
4262 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4263 (collect_expansion): Split into collect_objlike_expansion and
4264 collect_funlike_expansion.
4265 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4266 funlike_macroexpand.
4267 (_cpp_compare_defs): Rename compare_defs, make static.
4268 (_cpp_make_hashnode): Initialize hp->disabled.
4269 (macro_cleanup): Adjust for new token types. Clear
4271 (_cpp_create_definition): Move code here to determine what
4272 sort of macro it is, and code to check for redefinitions, from
4273 do_define. Implement a few simple cases without creating a
4275 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4276 Handle the simple cases.
4277 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4280 * cppinit.c (builtin_array): Change MCONST to XCONST
4282 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4283 fix check for disabled and function-like macros.
4284 * cpplib.c (do_define): Move most logic to
4285 _cpp_create_definition.
4286 (do_undef): Handle new special token types.
4288 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4290 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4291 of CONSTANT_P for mult_val; always use validate_change to update insn.
4293 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4295 * cpphash.c (trad_stringify, add_pat): New functions.
4296 (collect_expansion): Restore support for -traditional syntax.
4297 Use trad_stringify and add_pat.
4298 (_cpp_macroexpand): Restore support for -traditional semantics.
4299 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4300 get a COMMENT token.
4301 (_cpp_lex_token): Provide COMMENT tokens to caller if
4302 traditional and parsing_define_directive.
4303 (skip_comment): Warn about // comments if -Wtraditional.
4304 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4306 (do_undef): Don't warn about undefining EMPTY nodes.
4308 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4310 * loop.c (strength_reduce): Fix biv removal code.
4312 2000-04-22 Richard Henderson <rth@cygnus.com>
4314 * predict.c (estimate_probability): Examine both sides of
4315 a branch for no exits. Use 90% not 50% for predict taken.
4316 Reorg for one copy of note generation code.
4318 2000-04-22 Richard Henderson <rth@cygnus.com>
4320 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4322 2000-04-22 Richard Henderson <rth@cygnus.com>
4324 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4325 (output_clear): Likewise.
4326 (output_printf): Use va_copy.
4327 (vline_wrapper_message_with_location): Likewise.
4328 (v_message_with_decl): Likewise.
4329 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4330 * system.h (va_copy): Provide default implementation.
4332 2000-04-22 Richard Henderson <rth@cygnus.com>
4334 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4335 the collected condition is not a constant.
4337 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4339 * diagnostic.h: New file.
4341 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4343 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4344 various function prototypes.
4345 (diagnostic.h): #include.
4346 (struct output_buffer): Move into diagnostic.h.
4347 (get_output_prefix): Rename to output_get_prefix. Export.
4348 (init_output_buffer): Export. Break out. Ajust intialization.
4349 (output_space_left, output_append): Export.
4350 (output_newline): Rename to output_add_newline. Export.
4351 (output_clear): Nullify additional output_buffer fields.
4352 (output_puts): Rename to output_add_string. Export.
4353 (dump_output): Rename to output_flush_on. Export.
4354 (build_location_prefix): Constify return-type.
4355 (emit_output_prefix): Rename to output_emit_prefix. Export.
4356 (set_real_maximum_length): New function.
4357 (output_set_maximum_length): Ditto
4358 (output_clear): Ditto.
4359 (output_add_character): Ditto.
4360 (output_add_integer): Ditto.
4361 (output_add_space): Ditto.
4362 (output_format): Ditto.
4363 (output_printf): Adjust buffer initialization.
4364 (vline_wrapper_message_with_location): Ditto.
4365 (v_message_with_decl): Ditto. Adjust call to output_puts
4366 and get_output_prefix.
4367 (default_print_error_function): Adjust buffer intialization.
4369 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4371 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4374 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4376 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4379 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4381 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4382 accurate data about SP moves.
4384 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4386 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4387 aliases to AM33 registers.
4389 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4391 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4392 to all EXTENDED bitmaps.
4394 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4396 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4397 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4398 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4400 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4402 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4403 the operand is not constant.
4405 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4407 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4408 as a call-clobbered regs.
4410 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4412 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4414 * rtl.def: Update comment.
4415 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4416 * integrate.c (expand_inline_function): Likewise.
4417 * profile.c (branch_prob): Likewise.
4418 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4419 * print-rtl.c (print_rtx): Likewise.
4420 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4421 (reemit_notes): Likewise; also use enum insn_note.
4423 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4424 (place_field): Properly compute know and actual alignment.
4426 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4429 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4432 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4434 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4435 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4436 (collect_expansion): Rewrite to scan over a token list.
4437 Remove -traditional support.
4438 (collect_formal_parameters): Rename to collect_params; rewrite
4439 to scan over a token list.
4440 (_cpp_create_definition): Adjust to scan a token list.
4441 (_cpp_macroexpand): Remove -traditional support.
4442 (_cpp_compare_defs): Whitespace is now canonicalized.
4443 (comp_def_part): Delete function.
4445 * cpphash.h: Update prototypes.
4446 * cpplex.c (init_token_list): Don't set lineno if there is no
4448 (pedantic_whitespace): New function.
4449 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4450 consume a newline. Use pedantic_whitespace.
4451 (_cpp_lex_token): Remove support for -traditional macros.
4452 (_cpp_get_define_token): Delete.
4453 (_cpp_get_directive_token): Do the real work here. Use
4454 pedantic_whitespace.
4455 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4457 * cpplib.c (get_macro_name): Delete.
4458 (do_define): Read the entire line into pfile->directbuf, then
4459 feed the token list to _cpp_create_definition.
4460 * cpplib.h (HSPACE_BEFORE): new define.
4461 (struct cpp_reader): Add a toklist member, "directbuf".
4463 * predict.c (estimate_probability): New heuristic: if a jump
4464 branches around a block with no successors, predict it taken.
4465 Disentangle control flow.
4467 2000-04-20 Richard Henderson <rth@cygnus.com>
4469 * loop.c (emit_iv_add_mult): Revert last change.
4471 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4473 * cpplib.h (enum cpp_ttype): Add token types for all
4474 punctuators. Distinguish pp-numbers from valid C numbers.
4475 Give some tokens better names. Initialize from macro.
4476 (struct cpp_name, cpp_token, cpp_toklist): New data
4479 * cpplex.c (bump_column, expand_name_space,
4480 expand_token_space, init_token_list, cpp_output_list,
4481 _cpp_scan_line): New functions.
4482 (output_line_command): Add third argument, new line number.
4483 * cpphash.h: Update prototypes.
4484 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4487 2000-04-20 Richard Henderson <rth@cygnus.com>
4489 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4491 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4493 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4496 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4498 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4499 REG_EQUAL note explaining the calculated value.
4501 * calls.c (expand_call): Avoid unnecesary precalculation
4502 and outgoing parameters space guarding for sibling calls.
4503 (store_one_arg): Likewise.
4505 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4507 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4508 (rest_of_compilation): Write sibling dump file and account
4509 for time as jump time.
4510 * invoke.texi: Update documentation on dump flags.
4512 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4514 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4516 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4518 * cpphash.c (special_symbol): Represent an empty macro with
4519 "\r \r " not just "\r ".
4520 (_cpp_macroexpand): Correct condition for the foo ( ) special
4522 (unsafe_chars): Handle EOF as second argument.
4523 (push_macro_expansion): Simplify test for removing escape at
4524 end. Do not trim both escapes if there is no text in between.
4526 2000-04-19 Jim Blandy <jimb@redhat.com>
4528 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4529 of PTR_SIZE, when appropriate.
4531 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4533 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4534 (USE_ENUM_BITFIELDS): Fix typo.
4536 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4538 * stor-layout.c (place_field): Set rli->offset_align properly.
4540 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4542 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4543 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4544 PARM_BOUNDARY): Remove unnecessary casts.
4546 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4548 * calls.c (precompute_arguments): Remove must_preallocate and
4550 (expand_call): Update call of precompute_arguments.
4552 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4553 check_insn_for_givs): Break out from ...
4554 (strength_reduce) ... here; use for_every_insn_in_loop to call
4555 check_insn_for_givs.
4556 * loop.h (for_every_insn_in_loop): Declare.
4557 (loop_insn_callback): New type.
4559 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4561 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4564 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4566 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4569 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4571 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4573 * configure.in: Delete --disable-cpplib option and all
4574 references to cpp_main.
4575 * configure: Regenerate.
4576 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4577 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4578 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4579 cpp$(exeext). Add --no-headers to makeinfo command line when
4580 generating INSTALL. Install and uninstall cpp.1 manpage, not
4582 * install.texi: Delete all references to cexp.y/cexp.c.
4583 Delete ancient instructions for compiling GCC on 3b1.
4584 * INSTALL: Regenerate.
4586 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4587 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4588 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4590 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4591 which is no longer tested anywhere.
4593 * cppinit.c (handle_option): Don't run error message through
4596 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4598 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4599 * cpperror.c (hashtab.h): Now include.
4600 * cppexp.c (hashtab.h): Likewise.
4601 * cpplex.c (hashtab.h): Likewise.
4602 * cppfiles.c (hashtab.h): Likewise.
4603 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4604 to htab_find_slot_with_hash.
4605 * cpphash.c (hashtab.h): Now include.
4606 (_cpp_lookup_slot): INSERT is now enum insert_option.
4607 * cpphash.h (_cpp_lookup_slot): Likewise.
4608 * cppinit.c (hashtab.h): Include earlier.
4609 (initialize_builtins): Pass enum to htab_find_slot.
4610 * cpplib.c (hashtab.h): Now include.
4611 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4612 (do_pragma_poison, do_assert): Likewise.
4613 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4614 htab_find_slot_with_hash.
4615 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4616 * tree.c (type_hash_add): Likewise.
4617 (build1): Minor cleanup.
4619 * ggc-common.c: Add missing blanks.
4620 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4621 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4623 * stmt.c (mark_case_node): New function.
4624 (mark_case_nesting): Call it.
4626 * expmed.c (emit_store_flag): If comparing two-word integer
4627 with zero, can optimize NE, EQ, GE, and LT.
4629 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4630 * conflict.c: Minor cleanups.
4631 * optabs.c: Add blank line
4632 * simplify-rtx.c: Minor cleanups.
4634 2000-04-18 Stan Cox <scox@cygnus.com>
4636 * gengenrtl.c (genlegend): Fix misspelling.
4638 2000-04-18 Robert Lipe <robertlipe@usa.net>
4640 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4641 bitfields of the host compiler are not signed quantities.
4642 * config.in: Regenerate.
4643 * configure: Regenerate.
4644 * system.h (USE_ENUM_BITFIELDS): Added.
4645 (ENUM_BITFIELDS): Added.
4646 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4647 (SHORT_ENUM_BUG): Deleted.
4648 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4650 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4651 (CODE_FIELD_BUG): Likewise.
4652 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4654 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4656 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4658 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4661 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4663 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4664 * cpplib.c (do_include, do_import, do_include_next,
4665 read_line_number, detect_if_not_defined): Likewise.
4666 * cpphash.c (collect_expansion): Likewise.
4667 (special_symbol, _cpp_macroexpand): Check return from
4669 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4670 macros. Delete all uses.
4672 * gcc.dg/cpp-mi.c: Add two more test cases.
4673 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4675 2000-04-17 Richard Henderson <rth@cygnus.com>
4677 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4678 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4680 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4682 * function.c (expand_function_start): Use hard_function_value to
4683 compute the RTL to use for DECL_RESULT.
4685 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4687 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4688 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4689 x86_memory_mismatch_stall): New global variables.
4690 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4691 alloved; fix load penalties for Athlon.
4692 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4693 x86_memory_mismatch_stall): Declare.
4694 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4695 TARGET_MEMORY_MISMATCH_STALL): New.
4696 * i386.md (athlon scheduling parameters): Fix latencies according to
4697 Athlon Optimization Manual.
4698 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4700 (fsqrt instruction patterns): Set athlon_decode to direct.
4701 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4702 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4703 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4704 and TARGET_PARTIAL_REGISTER_STALL machines.
4705 (pushdf_nointeger): New pattern.
4706 (pushdf_integer): Rename from pushdf.
4707 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4708 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4710 2000-04-17 Richard Henderson <rth@cygnus.com>
4712 * loop.c (canonicalize_condition): Add WANT_REG argument.
4713 Stop the search if we match it.
4714 * expr.h (canonicalize_condition): Update decl.
4715 * predict.c (expected_value_to_br_prob): Use it. Track last
4716 expected value note.
4717 (find_expected_value): Remove.
4719 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4721 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4723 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4724 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4726 * configure.in: Call AC_FUNC_MMAP_FILE.
4727 * configure: Regenerate.
4728 * config.in: Regenerate.
4730 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4731 * fixinc/fixincl.c: Likewise.
4733 2000-04-17 Richard Henderson <rth@cygnus.com>
4735 * builtins.c (expand_builtin_expect): New.
4736 (expand_builtin): Call it.
4737 * builtins.def (BUILT_IN_EXPECT): New.
4738 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4739 * extend.texi: Document it.
4741 * predict.c (expected_value_to_br_prob): New.
4742 (find_expected_value): New.
4743 * basic-block.h (expected_value_to_br_prob): Declare.
4744 * toplev.c (rest_of_compilation): Invoke it.
4746 * rtl.h (NOTE_EXPECTED_VALUE): New.
4747 (NOTE_INSN_EXPECTED_VALUE): New.
4748 * rtl.c (note_insn_name): Update.
4749 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4750 cases; handle NOTE_INSN_EXPECTED_VALUE.
4752 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4754 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4755 leaf sibcall delay slot if flag_pic.
4756 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4758 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4760 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4762 * fixproto: If fix-header fails, exit with an error.
4764 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4766 * cse.c (struct check_depdendence_data): New.
4767 (check_dependence): New function.
4768 (invalidate): Use check_depdenence.
4770 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4772 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4773 UNITS_PER_WORD is unsigned.
4775 * tree.h (struct tree_common): Remove misleading comment.
4777 2000-04-16 Dave Pitts <dpitts@cozx.com>
4779 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4780 message in quotes. Otherwise, IBM's make program treats the '#' as the
4781 start of a comment and ignores the remainder of the line.
4783 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4785 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4786 * cexp.y (initialize_random_junk): Likewise.
4787 * cppfiles.c (find_include_file): Cast alloca return value.
4788 * cppinit.c (initialize_standard_includes): Likewise.
4789 * cpplib.c (cpp_define, cpp_undef): Likewise.
4790 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4791 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4792 * fold-const.c (CHARMASK): New.
4793 (real_hex_to_f): Use it.
4794 * real.c (CHARMASK): New.
4795 (etoasc, asctoeg): Use it.
4796 (asctoeg): EBCDIC lower case characters preceed upper case.
4798 * i370.c (mvs_add_label): Change spacing for coding conventions.
4799 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4800 outputing case vectors.
4801 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4802 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4803 since vector in in the data CSECT.
4804 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4805 * i370.md (Many patterns): Put the length in the XL directives.
4806 (movdi): Put back STM and MVC in definition.
4807 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4808 pattern using the TCA.
4809 * oe.h (CPP_SPEC): Added to allow trigraphs.
4810 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4811 not support the "long long" type.
4813 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4815 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4817 (mips_reg_mode_ok_for_base_p): Likewise.
4818 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4819 (REG_OK_FOR_INDEX_P): Define unconditionally.
4820 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4821 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4822 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4823 that GET_MODE_SIZE is unsigned.
4824 (mips_reg_mode_ok_for_base_p): Define.
4825 (mips_legitimate_address_p): Likewise. Adjust now
4826 that GET_MODE_SIZE is unsigned.
4827 (block_move_loop): Make the number of bytes unsigned.
4828 (expand_block_move): Likewise.
4829 (function_arg): Make the loop counter unsigned to match the
4832 2000-04-16 Richard Henderson <rth@cygnus.com>
4834 * rtl.h (enum insn_note): New enumeration. Subsume
4835 NOTE_INSN_DELETED and friends.
4836 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4837 * rtl.c (note_insn_name): Tweak string order.
4839 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
4841 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
4844 * cpplex.c (output_line_command): Remove debugging prints.
4845 (cpp_output_tokens): Don't write out a zero-length buffer or
4846 try to see if it has a newline in it.
4847 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
4848 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
4849 the end of the loop. Use memmove. Don't read past the end of
4850 the buffer. Remove trailing newlines from error messages.
4852 2004-04-16 Neil Booth <NeilB@earthling.net>
4854 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
4855 * cpplib.c: Add new syntax flags to directive table, and
4858 2000-04-15 Ulrich Drepper <drepper@redhat.com>
4860 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
4863 2000-04-15 David Edelsohn <edelsohn@gnu.org>
4865 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
4866 * haifa-sched.c: Update -fsched-verbose comments to use "=".
4868 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4870 * Makefile.in (ggc-page.o): Now includes toplev.h.
4871 * ggc-page.c (toplev.h): Now included.
4872 (gc_time): Remove declaration.
4873 (ggc_collect): TIME now long.
4874 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
4876 * toplev.h (gc_time, parse_time, gc_time): New declarations.
4878 * toplev.c: Make *_time variable long to reduce chance of overflow.
4879 (TIMEVAR): Likewise for `otime'.
4880 (print_time): Arg is now long; compute percentage in FP and round.
4881 * toplev.h (print_time): Arg is long.
4883 * tree.c: Minor whitespace changes.
4885 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
4886 * configure: Rebuilt.
4887 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
4888 (__fixunsxfDI): Renamed from __fixunsxfdi.
4889 (__fixunsdfDI): Renamed from __fixunsdfdi.
4890 (__fixunssfDI): Renamed from __fixunssfdi.
4891 (__floatdisf): Use proper type in REP_BIT macro.
4892 (__fixunsxfSI): Renamed from __fixunsxfsi.
4893 (__fixunsdfSI): Renamed from __fixunsdfsi.
4894 (__fixunssfSI): Renamed from __fixunssfsi.
4895 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
4896 Change location of macros and upper-case some names as above.
4897 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
4898 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
4900 * varasm.c (assemble_variable): Add cast to remove warning.
4901 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
4903 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
4904 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
4905 region number to -1.
4907 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
4909 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
4910 call unshare_all_rtl.
4912 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
4914 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
4916 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
4917 Use .s1 not .s0 for all FP instructions.
4919 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
4921 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
4923 (safe_fwrite, output_line_command): New static functions.
4924 (cpp_expand_to_buffer): Now private to cpplib.
4925 (cpp_scan_buffer): Take a printer.
4927 * cpphash.h: Update prototypes.
4928 * cpplib.h: Update prototypes.
4930 (cpp_buffer): Remove last_nominal_fname.
4931 (cpp_reader): Remove lineno.
4933 * cppmain.c: Use a cpp_printer.
4934 * fix-header.c: No need to inhibit line commands. Call
4935 cpp_start_read with no printer.
4937 * cpperror.c (cpp_notice_from_errno): Provide default name.
4938 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
4939 (find_include_file, cpp_read_file): Use make_IHASH.
4940 (file_cleanup): Set control_macro and clear
4941 input_stack_listing_current here.
4942 (_cpp_execute_include): Don't output entering-file marker.
4943 * cpphash.c (special_symbol): Look for the line number in the
4944 buffer, not the reader.
4945 (_cpp_macroexpand): No need to disable line commands.
4946 (_cpp_dump_definition): No need to generate line commands.
4947 (dump_hash_helper): Remove excess newline from output.
4948 * cppinit.c (dump_special_to_buffer): No need to generate line
4950 (cpp_printer_init): New.
4951 (cpp_start_read): Take a printer, and start it up if it's not
4952 NULL. No need to generate line commands.
4953 (cpp_finish): Expect no buffers stacked at all. Take a
4954 printer argument, and flush the output buffer if it's not
4956 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
4957 Don't put two hashes at the beginning of an assertion.
4958 (cpp_get_token): Don't increment pfile->lineno or emit line
4959 commands here. Return EOF if there's no buffer when we get
4961 * cpplib.c (do_define, skip_if_group):
4962 No need to disable line commands.
4963 (_cpp_output_line_command): Delete function.
4964 (do_line): Don't emit line commands here, but set things up so
4965 they will be emitted if necessary. Use _cpp_fake_ihash to
4966 make unique nominal_fnames if necessary.
4967 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
4968 with 0 for column, not -1.
4969 (_cpp_handle_eof): Don't set the control macro here. Don't
4970 clear input_stack_listing_current here. Don't emit line
4973 2000-04-14 Geoff Keating <geoffk@cygnus.com>
4975 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
4976 always, use the default SVR4 start address.
4978 * config/rs6000/linux.h (LINK_SPEC): Don't define.
4979 (LINK_SHLIB_SPEC): Define.
4980 (LINK_START_DEFAULT_SPEC): Define.
4981 (LINK_OS_DEFAULT_SPEC): Define.
4983 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
4985 * config/rs6000/eabi.asm (__eabi): Call __init rather than
4986 __do_global_ctors to handle constructors.
4987 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
4988 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
4989 (STARTFILE_MVME_SPEC): Likewise.
4990 (STARTFILE_SIM_SPEC): Likewise.
4991 (ENDFILE_ADS_SPEC): Use crtend.
4992 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
4993 (ENDFILE_MVME_SPEC): Likewise.
4994 (ENDFILE_SIM_SPEC): Likewise.
4995 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
4996 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
4997 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
4998 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
4999 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5000 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5001 (CRTSTUFF_T_CFLAGS_S): Define.
5002 * config/rs6000/eabi-ctors.c: Delete.
5004 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5007 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5011 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5013 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5014 plus mask size is smaller or equal to the mode size.
5016 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5018 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5021 * expr.c (reload.h): Now included.
5022 (emit_block_move): Set volatile_ok when checking for movstr.
5023 (emit_move_1): Check for replacements in addresses in multi-word case.
5024 * Makefile.in (expr.o): Now includes reload.h.
5026 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5027 Never have a LIBCALL end a basic block.
5028 (find_basic_blocks_1): Likewise.
5029 Reorganize CALL_INSN cases.
5031 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5033 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5035 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5036 completers from mov.ret instruction.
5038 2000-04-14 Richard Henderson <rth@cygnus.com>
5040 * fold-const.c (extract_muldiv): Don't distribute and widen
5041 multiply across plus for non-sizetype unsigned types.
5043 2000-04-14 Richard Henderson <rth@cygnus.com>
5045 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5046 If the original source is dead in the incr insn, it's dead now.
5048 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5050 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5051 see if DECL_BIT_FIELD needs to still be set.
5053 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5055 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5056 print_int_cst_octal with something that's not an INTEGER_CST.
5058 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5059 and not a SUBREG to a FLOAT rtl.
5061 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5063 * emit-rtl.c (try_split): Avoid infinite loop if the split
5064 results in a sequence that contains the original insn.
5066 2000-04-13 Andreas Jaeger <aj@suse.de>
5068 * config/mips/mips.c (expand_block_move): Pass alignment
5069 argument to move_by_pieces in bits, not bytes.
5071 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5072 __pic__ for little endian.
5074 2000-04-13 Andreas Jaeger <aj@suse.de>
5076 * config/i386/i386-protos.h: Add prototype for
5077 uno_comparison_operator.
5079 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5081 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5082 * calls.c (ECF_PURE): New flag.
5083 (emit_call_1): Handle ECF_PURE calls.
5084 (initialize_argument_information): Unset ECF_PURE flag too.
5085 (precompute_arguments): Precompute for ECF_PURE too.
5086 (expand_call): Handle ECF_PURE calls too.
5087 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5088 accept value of 2 as pure function.
5089 (emit_library_call_value, emit_library_call): Rename no_queue argument
5091 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5093 * tree.h (DECL_IS_PURE): New macro.
5094 (struct tree_decl): Add pure_flag.
5095 * c-common.c (enum attrs): Add attribute "pure".
5096 (init_attributes): Initialize attribute "pure"
5097 (decl_attributes): Handle attribute "pure".
5098 * extend.texi (Attribute "pure"): Document.
5099 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5101 (flags_from_decl_or_type): Support attribute "pure".
5103 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5105 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5106 the token except for numbers and identifiers.
5108 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5110 * i386.c (ix86_expand_binary_operator,
5111 ix86_expand_unary_operator): Check no_new_pseudos
5112 instead of reload_in_progress and reload_completed.
5113 (ix86_split_ashldi, ix86_split_ashrdi,
5114 ix86_split_lshrdi): Check no_new_pseudos instead
5115 of reload_completed.
5117 2000-04-12 Jeffrey A Law (law@cygnus.com)
5119 * function.c (purge_addressof): Unshare any shared rtl created by
5120 purge_addressof and its children.
5122 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5124 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5127 2000-04-05 Andreas Jaeger <aj@suse.de>
5129 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5130 not compiling PIC code, add flags for mabi=64.
5131 (SUBTARGET_CPP_SIZE_SPEC): New.
5132 (SUBTARGET_CPP_SPEC): New.
5133 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5134 for MIPS/Linux and lots of code needs these defines.
5136 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5138 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5139 trying the "opposite arithmetic" approach.
5141 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5143 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5144 (struct sh_args): Add new field force_mem.
5145 (INIT_CUMULATIVE_ARGS): Initialize it.
5146 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5148 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5150 * calls.c (expand_call): Do not reverse args in "equal from" field.
5151 (emit_library_call_value_1): Emit_libcall_block for const and pure
5154 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5156 * reload1.c (reload_combine): Don't enable optimization for fixed
5157 registers when encountering a BARRIER.
5159 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5161 * builtins.c (expand_builtin_memcmp): Do expansion even with
5162 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5164 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5165 stack is propertly aligned; add sanity checking for aligned
5167 (expand_library_call_value_1): Add sanity checking for aligned
5170 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5172 * calls.c (emit_library_call_value_1): Change 3rd arg to
5173 locate_and_pad_parm to disregard the setting of partial.
5175 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5177 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5179 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5180 CALL_INSN from the normal case.
5182 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5184 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5185 New global variables.
5186 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5188 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5190 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5191 TARGET_ADD_ESP_8): New macros.
5192 * i386.md: Add peep2s to convert esp adjustments to push and pop
5194 (pushsi_prologue, popsi_epilogue): New patterns.
5196 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5198 * real.c (toe64): Remove stale #endif from the last change.
5200 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5202 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5203 * real.c (toe64): Revert previous change.
5205 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5207 * objc/objc-act.c: Include ggc.h.
5208 (objc_tree_index, objc_global_trees): Convert most of the
5209 static tree variables into a static array with previous names
5211 (objc_ellipsis_node): New variable.
5212 (lang_init): Call objc_act_parse_init and c_parse_init.
5213 Create objc_ellipsis_node.
5214 (build_selector_translation_table): Use objc_ellipsis_node instead
5216 (hack_method_prototype): Likewise.
5217 (get_arg_type_list): Likewise.
5218 (start_method_def): Likewise.
5219 (continue_method_def): Likewise.
5220 (gen_method_decl): Likewise.
5221 (ggc_mark_imp_list): New function.
5222 (ggc_mark_hash_table): New function.
5223 (objc_act_parse_init): New function.
5224 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5225 * c-parse.in (c_parse_init): For objc add roots of objc specific
5226 local tree variables.
5227 * objc/objc-parse.y: Rebuilt.
5228 * objc/objc-parse.c: Rebuilt.
5229 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5231 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5233 * cse.c (delete_trivially_dead_insns): Also delete insns
5234 that copy a register to itself where the destination is
5237 2000-04-11 Richard Henderson <rth@cygnus.com>
5239 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5240 (propagate_block): Initialize them. Use them in parallel instead
5241 of one tmp variable, ie revert much of the 0408 and 0407 functional
5242 changes, but keep the structural changes.
5243 (mark_set_regs): Take new_dead from propagate_block_info instead.
5244 (mark_set_1, mark_set_reg): Likewise.
5245 (mark_used_regs): Likewise with new_live.
5246 (mark_used_reg): Likewise. Revert 0408 change.
5248 2000-04-11 Nick Clifton <nickc@cygnus.com>
5250 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5252 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5254 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5256 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5257 const section to output a CONSTRUCTOR based on the same conditions
5260 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5262 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5263 * pa/pa-protos.h (output_call): Add additional argument indicating
5264 if the call is a sibling/tail call.
5265 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5266 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5267 (function_arg, function_arg_partial_nregs): Likewise
5268 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5269 (emit_move_sequence): Zero extend certain constants as needed
5271 (compute_zdepdi_operands, output_64bit_and): New functions.
5272 (output_64bit_ior, function_arg): Likewise.
5273 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5274 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5275 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5276 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5277 (output_bvb): Likewise.
5278 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5279 (output_call): New argument 'sibcall'. Generate sibcall sequences
5281 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5282 (ouput_arg_descriptor): Do not emit argument descriptors for
5284 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5286 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5287 (FUNCTION_OK_FOR_SIBALL): Define.
5288 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5289 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5290 (CPP_SPEC): Use new spec infrastructure.
5291 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5292 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5293 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5294 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5295 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5296 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5297 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5298 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5299 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5300 (FUNCTION_ARG); Call out to C code.
5301 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5302 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5303 (MIN_UNITS_PER_WORD): Likewise.
5304 * pa/pa.md (cmpdi): New expander.
5305 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5306 (64bit conditional arithmetic): New patterns.
5307 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5308 (movsicc): Not available if modes on all the operands to not match.
5309 (movdicc): New expander and associated patterns.
5310 (64bit branches): New patterns.
5311 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5312 (pre_ldd, post_std): New patterns.
5313 (64bit addil, load low part): New patterns.
5314 (special movsf constant): Not available for TARGET_64BIT.
5315 (movsf, movdf expanders): Force constants into memory.
5316 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5317 (64bit movdf/movdi patterns): New patterns.
5318 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5320 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5321 (adddi3 expander): Allow "arith_operand" for second input.
5322 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5323 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5324 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5325 (muldi3): New expander for TARGET_64BIT.
5326 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5328 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5329 patterns for TARGET_64BIT.
5330 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5331 patterns for TARGET_64BIT.
5332 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5333 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5334 (sibcall_epilogue): New expander.
5335 (casesi): Tweak for TARGET_64BIT.
5336 (call expanders): Set & use the outgoing argument pointer. Use the
5337 64bit call patterns as needed. Add additional arg to output_call.
5338 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5339 (sibcall, sibcall_internal_symref): New expanders.
5340 (sibcall_value, sibcall_value_internal_symref
5341 (interspace_jump): Turn into an expander + matching patterns.
5342 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5343 * pa/pa64-regs.h: Eliminate trigraph sequences.
5344 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5346 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5348 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5349 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5350 cpp_token with cpp_ttype everywhere.
5351 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5352 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5353 CPP_BUF_COL. Line and column numbers are unsigned int, not
5355 * cpplex.c (cpp_buf_line_and_col): Delete.
5356 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5357 'long lineno' to 'unsigned int lineno'.
5358 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5360 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5362 * extend.texi: ISO C99 is not a draft anymore.
5363 * invoke.texi: ISO C++ is not a draft anymore.
5364 * cpp.texi: __cplusplus is required by the ISO standard.
5366 * extend.texi (-fthis-is-variable): Undocument.
5367 * flags.h (warn_template_debugging): Remove declaration.
5368 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5369 -Wenum-clash, -Wtemplate-debugging): Undocument.
5371 2000-04-10 Nick Clifton <nickc@cygnus.com>
5373 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5375 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5377 (ARM_SIGN_EXTEND): Use HOST_UINT.
5378 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5379 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5380 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5381 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5383 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5384 (arm_gen_constant): Use HOST_UINT.
5385 (arm_canonicalize_constant): Use HOST_UINT.
5386 (arm_reload_in_hi): Use HOST_UINT.
5387 (arm_reload_out_hi): Use HOST_UINT.
5388 (output_multi_immediate): Use HOST_UINT.
5389 (int_log2): Use HOST_UINT.
5390 (arm_poke_function_name): Use HOST_UINT.
5391 (arm_output_epilogue): Use arm_volatile_func().
5392 (output_thumb_prologue): Use arm_strip_name_encoding().
5394 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5396 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5397 of sequence point problems.
5399 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5401 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5403 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5405 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5407 * sbitmap.h: Whitespace changes and use upper-case macro args.
5408 (struct simple_bitmap_def): All sizes now unsigned.
5409 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5410 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5411 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5412 (sbitmap_zero): Cast bzero arg to PTR.
5413 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5414 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5415 loop to make structure clearer.
5416 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5417 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5418 (sbitmap_a_and_b_or_c): Likewise.
5419 (sbitmap_intersection_of_succs): Minor cleanups.
5420 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5421 (sbitmap_union_of_preds): Likewise.
5422 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5423 (debug_sbitmap): New function.
5425 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5426 * c-typeck.c (convert_for_assignment): Likewise.
5428 * expmed.c (init_expmed): Don't free objects we make.
5429 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5431 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5432 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5434 * gcse.c (expr_hash_table_size): Now unsigned.
5435 (compute_ae_gen): Local variable `i' now unsigned.
5436 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5437 (compute_transout, hoist_code): Likewise.
5438 (compute_local_properties): Likewise, also hash_table_size.
5439 (alloc_expr_hash_table): N_INSNS now unsigned.
5440 (delete_null_pointer_checks): Mark arg F as unused.
5442 * regrename.c: Minor cleanups, including chang some variables
5445 2000-04-10 Neil Booth <NeilB@earthling.net>
5447 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5449 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5451 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5453 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5454 __classof__, and __headof__ from the list of gnu keywords.
5455 (-ansi): Remove -foperator-names from list of implied options.
5456 Do not call it ANSI C++.
5457 (-foperator-names): Document as -fno-operator-names.
5459 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5461 * cpphash.c (timestamp): Delete.
5462 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5463 (special_symbol): Remove unnecessary braces. Remove
5464 T_VERSION. Treat T_STDC like T_CONST unless
5465 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5466 when one is encountered, then convert them into T_MCONST
5468 * cppinit.c (builtin_array): version_string is T_MCONST.
5469 __STDC__ has a "1" in its cpval. Don't have a terminator
5470 entry. Clean up which entries are dumped.
5471 (initialize_builtins): Only __STDC__ gets the special
5472 -traditional treatment. Count the length of builtin_array.
5473 Render version_string here.
5474 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5475 * cpplib.h (struct cpp_reader): Remove timebuf.
5477 2000-04-09 Richard Henderson <rth@cygnus.com>
5479 * genrecog.c (pred): Update comparison_operator for the unordered
5482 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5484 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5485 (uno_comparison_operator): New.
5486 (put_condition_code): Handle UNORDERED/ORDERED.
5487 (unsigned_comparison): Likewise.
5488 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5489 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5490 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5491 update all callers. Handle all 8 unordered operators.
5492 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5493 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5494 * config/i386/i386.h (PREDICATE_CODES): Update.
5495 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5496 (ix86_expand_branch, ix86_expand_setcc): Update.
5497 * config/i386/i386.md (sunordered, sordered): New.
5498 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5499 (bunordered, bordered): New.
5500 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5501 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5502 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5504 2000-04-09 Philip Blundell <philb@gnu.org>
5506 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5508 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5510 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5511 fix_truncxfhi2): New patterns.
5512 * i386.c (output_fix_trunc): Handle converting to HImode.
5514 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5516 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5518 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5519 (for_each_successor_phi): Change parameter to basic_block.
5520 (coalesce_regs_in_successor_phi_nodes): Likewise.
5521 (coalesce_regs_in_copies): Likewise.
5522 (compute_coalesced_reg_partition): Use basic_block instead of index.
5523 * rtl.h (convert_to_ssa): Delete.
5524 (convert_from_ssa): Likewise.
5525 (successor_phi_fn): Likewise.
5526 (for_each_successor_phi): Likewise.
5527 (in_ssa_form): Likewise.
5528 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5529 (convert_from_ssa): Likewise.
5530 (successor_phi_fn): Likewise.
5531 (in_ssa_form): Likewise.
5532 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5533 * flow.c (calculate_global_regs_live): Pass a basic_block to
5534 for_each_successor_phi.
5536 2000-04-08 Richard Henderson <rth@cygnus.com>
5538 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5539 was modified in the current insn.
5541 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5543 * arm/thumb.md: Delete.
5544 * arm/thumb-protos.h: Delete.
5546 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5548 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5550 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5552 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5555 * arm.md (nop): Use the standard RTL expression. Don't code as a
5557 (*arm_nop, *thumb_nop): Delete.
5559 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5560 constants. Use casts instead.
5561 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5562 output_multi_immediate, arm_poke_function_name): Likewise.
5563 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5564 MASK_RETURN_ADDDR): Likewise.
5566 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5568 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5571 * arm.md (eh_epilogue): New function.
5572 * arm.h (struct machine_function): Move to here ...
5573 * arm.c: ... from here.
5574 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5575 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5576 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5578 2000-03-30 Nick Clifton <nickc@cygnus.com>
5580 * config/arm/semi.h (ASM_SPEC): Restore definition.
5581 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5583 * config/arm/elf.h (ASM_SPEC): Restore definition.
5584 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5586 * config/arm/arm.h (ASM_SPEC): Remove definition.
5587 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5589 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5591 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5593 2000-03-24 Nick Clifton <nickc@cygnus.com>
5595 Various formating tidyups, elimination of compile time
5596 warnings and synchronisation with internal sources:
5598 * config/arm/arm-protos.h (assemble_align): Add prototype.
5599 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5600 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5601 (arm_return_addr_rtx): Rename to arm_return_addr.
5603 * config/arm/arm.c: Include except.h.
5604 Define shorter typenames for strict minipool_node and struct
5606 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5608 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5609 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5611 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5613 (ASM_SPEC): Define if not already defined.
5614 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5616 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5617 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5618 arm_gen_compare_reg.
5619 (indirect_jump): Only accept register operands.
5620 (load_indirect_jump): Keep this pattern since combine can generate
5623 * config/arm/coff.h: Include aout.h.
5624 (MULTILIB_DEFAULTS): Only define if not already defined.
5626 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5627 into arm.h (so that COFF ports can support thumb based aliases).
5628 (ASM_SPEC): Move definition into arm.h
5630 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5631 redundant apcs spec.
5632 (ASM_SPEC): Move definition to arm.h
5634 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5636 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5637 for entries in the .bss section
5639 2000-03-23 Nick Clifton <nickc@cygnus.com>
5641 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5642 to thumb_far_jump_used_p.
5644 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5645 single integer parameter.
5647 * config/arm/arm.c (struct machine_function): Add two new
5648 fields, 'far_jump_used' and 'arg_pointer_live'.
5649 (thumb_far_jump_used_p): Once the decision has been made that
5650 far jumps might be used, always return true.
5651 If being called from the initial elimination offset macro then
5652 do not bother to perform the test if the arg pointer is not
5654 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5655 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5657 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5659 * arm.c (output_return_instruction): Handle more cases where we can
5660 return from a function with an ldr instruction.
5661 (arm_output_epilogue): Likewise.
5663 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5664 if we need to push a large stack frame and there are no callee-saved
5667 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5668 in ARM code if the frame pointer has been eliminated.
5670 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5671 unspec_volatile arguments to avoid duplicates.
5672 (consttable_1, consttable_2): Fixes for big-endian mode.
5674 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5677 Re-write constant pool code.
5678 * arm.c (minipool_node, minipool_fix): New types.
5679 (minifix): Delete type.
5680 (arm_add_minipool_constant): Delete.
5681 (arm_compute_minipool_offsets, arm_find_barrier,
5682 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5683 (get_jump_table_size): Now returns HOST_WIDE_INT.
5684 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5686 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5687 (assign_minipool_offsets, arm_print_value): Likewise.
5688 (dump_minipool): Rewrite.
5689 (arm_barrier_cost): New function.
5690 (create_fix_barrier): New function.
5691 (push_minipool_barrier): New function.
5692 (push_minipool_fix): Record additional information about the fixup
5694 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5695 check the mode of what needs fixing.
5696 (arm_reorg): Rewrite.
5698 2000-03-08 Nick Clifton <nickc@cygnus.com>
5700 * config/arm/arm.md (indirect_jump): Force constant addresses into
5703 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5705 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5707 2000-02-24 Nick Clifton <nickc@cygnus.com>
5709 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5710 adjust is word aligned.
5711 (thumb_expand_epilogue): Make sure that stack adjust is word
5714 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5716 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5718 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5719 pointer relative addresses.
5721 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5723 * arm.c (find_barrier): Find the last barrier within the allowed
5726 2000-02-09 Nick Clifton <nickc@cygnus.com>
5728 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5730 2000-02-09 Nick Clifton <nickc@cygnus.com>
5732 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5733 ARM_FUNCTION_PROFILER.
5735 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5736 ARM_FUNCTION_PROFILER.
5738 * config/arm/linux-oldld.h: Imported from mainline sources.
5740 2000-02-07 Nick Clifton <nickc@cygnus.com>
5742 * config/arm/lib1funcs.asm: Merge in thumb functions from
5745 * config/arm/lib1thumb.asm: Delete.
5747 2000-02-04 Nick Clifton <nickc@cygnus.com>
5749 * config/arm/arm.c: Sychronised with current Red hat local
5751 * config/arm/arm.h: Ditto.
5752 * config/arm/arm-protos.h: Ditto.
5754 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5756 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5758 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5761 2000-02-02 Nick Clifton <nickc@cygnus.com>
5763 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5765 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5766 (return) was emited using an emit_insn() call.
5768 2000-01-31 Nick Clifton <nickc@cygnus.com>
5770 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5772 (thumb_exit): Move frame pointer back into hard frame pointer
5773 register if backtracing is being used.
5775 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5777 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5780 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5782 * config/arm/arm.md (neg_pool_offset): Provide default for new
5784 (arm_movsi_insn): Add neg_pool_offset attribute.
5785 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5786 rtx for the insn that starts the scan and an unsigned long for its
5787 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5788 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5789 instructions in *PINSERTED.
5790 (struct minipool_fixup): Add MIN_ADDRESS elt.
5791 (sort_fixups): Compute it.
5792 (arm_reorg): Changes to support inserting pools before the insn to be
5795 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5797 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5798 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5799 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5801 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5803 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5805 (TARGET_DEFAULT): Do not define if already defined.
5807 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5809 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5810 (iordi3): Allow disjoint source operands.
5811 (xordi3): Allow disjoint source operands.
5812 (negdi2): Permit construction for ARM and Thumb.
5813 (arm_negdi2): Renamed version of old negdi2 pattern.
5814 (thumb_negdi2): New pattern: Only permit non-overlapping
5815 source and destination.
5817 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5819 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5820 scratch low register so that it will not be deleted.
5822 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5824 * config/arm/pe.h (ARM_PE): Define.
5826 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5827 interfacearm attribute if this is a PE toolchain.
5828 (output_return_instruction): Do not emit anything if the function
5829 has the naked attribute set.
5830 (is_called_in_ARM_mode): If the function has the interfacearm
5831 attribute then return true.
5832 (thumb_expand_prologue): Do not generate a prologue for naked
5834 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5836 (output_thumb_prologue): Do not bother if the function is naked.
5837 Strip PE encoding from function name before emitting.
5839 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
5841 * arm.md (pic_load_addr): Fix constraints.
5843 * arm.md (casesi_insn): Fix mis-applied patch.
5845 * arm.md ("core" function unit): Add rules for single- and
5847 (All TARGET_THUMB patterns): Add "type" attribute information
5849 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
5850 the following insn is a CALL.
5852 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
5854 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
5855 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
5856 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
5858 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
5860 * config/arm/linux-gas.h: oops - this file was missed out when the
5861 branch was created...
5863 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
5865 * thumb.c: Deleted. Move contents to ...
5867 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
5869 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
5872 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
5873 declare a prototype for asm_output_align();
5875 * arm.c (thumb_condition_code): Delete.
5876 (arm_print_operand): Always use arm_condition_code array.
5878 * arm.c (thumb_return_addr_rtx): Delete.
5879 (arm_save_machine_status, arm_restore_machine_status): Delete.
5880 (arm_init_machine_status, arm_mark_machine_status): New functions.
5881 (arm_init_expanders): Update accordingly.
5882 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
5883 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
5884 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
5886 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
5888 * configure.in : Fix arm-*-aout target to use new t-arm-aout
5890 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
5893 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
5895 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
5896 stack backtrace structure.
5898 * config/arm/arm-protos.h: Add prototypes for functions defined in
5901 * config/arm/arm.c (arm_override_options): Fix selection of
5902 attributes of default processor.
5904 * config/arm/coff.h: Delete needless #include.
5906 * config/arm/pe.c: Delete unused code.
5908 * config/arm/pe.h (CPP_DEFINES): Delete
5909 (SUBTARGET_CPP_SPEC): Define.
5910 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
5912 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
5914 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
5916 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
5918 (CAN_DEBUG_WITHOUT_FP): Define.
5919 (FIXED_REGISTERS): Make r11 call-saved.
5920 (CALL_USED_REGISTERS): Likewise.
5921 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
5922 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
5923 frame-pointer is required.
5924 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
5925 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
5926 if the target normally needs a stack frame in non-leaf functions.
5927 (use_return_insn): Correct logic for determining when a return
5928 instruction can be used.
5929 (output_return_instruction): Handle the frame-pointer register as
5930 a normal register when not TARGET_APCS_FRAME.
5931 (arm_output_prologue): Likewise.
5932 (arm_output_epilogue): Likewise.
5933 (output_func_epilogue): Likewise.
5934 (arm_expand_prologue): Likewise.
5935 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
5937 * arm.c (use_return_insn): No need to check floating point regs if
5939 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
5940 the code of value stored in the minipool array.
5941 (arm_add_minipool_constant): Likewise.
5943 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5945 * basic-block.h (conflict_graph_enum_fn): K&R fix.
5947 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5949 * tree.c (tree_expr_nonnegative_p): New function.
5951 * tree.h (tree_expr_nonnegative_p): Declare.
5953 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
5954 elide some sign_compare warnings.
5955 (build_conditional_expr): Likewise.
5957 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
5959 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
5961 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
5962 * i386.c (print_operand): Use the proper suffix for a 387 HImode
5963 operand. Abort if a 387 operand has an unsupported size.
5965 2000-04-08 Neil Booth <NeilB@earthling.net>
5967 * cppexp.c (parse_charconst): Null does not end character
5969 * cppinit.c (ISTABLE): Null character handled as whitespace.
5970 * cpplex.c (null_warning): new function.
5971 (skip_string): Emit warning if nulls encountered.
5972 (_cpp_skip_hspace): Emit warning if nulls encountered.
5973 (_cpp_lex_token): Emit warning if nulls encountered. Drop
5977 2000-04-07 Richard Henderson <rth@cygnus.com>
5979 * flow.c (loop_depth): Remove.
5980 (reg_next_use, cc0_live, mem_set_list): Replace with ...
5981 (struct propagate_block_info): New.
5982 (life_analysis): Don't allocate reg_next_use.
5983 (propagate_block_delete_insn): Break out of propagate_block.
5984 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
5985 (propagate_block_delete_libcall): Likewise.
5986 (propagate_block): Create a propagate_block_info struct to pass
5987 to subroutines. Allocate one not two temporary regsets. Don't
5988 clobber memory for const calls. Look for clobbers in
5989 CALL_INSN_FUNCTION_USAGE.
5990 (mark_set_regs): Recognize COND_EXEC.
5991 (mark_set_reg): Break out of mark_set_1.
5992 (mark_used_reg): Break out of mark_used_regs.
5993 (mark_used_regs): Recognize COND_EXEC.
5994 (insn_dead_p): Use propagate_block_info struct.
5995 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
5996 (find_auto_inc, try_pre_increment_1): Likewise.
5997 (print_rtl_with_bb): Dump regs live at end too.
5998 (count_reg_sets_1): Pass in loop_depth.
5999 (count_reg_sets, count_reg_references): Likewise.
6000 (recompute_reg_usage): Provide it.
6002 2000-04-07 Richard Henderson <rth@cygnus.com>
6004 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6007 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6009 * cpplib.c (do_elif): Skip the rest of the line if we're
6010 not going to bother evaluating it.
6011 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6012 to avoid pointless calls to the lexer.
6014 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6016 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6018 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6020 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6022 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6024 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6026 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6028 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6029 crtend so they can be multilibbed.
6030 (STAGESTUFF): Remove s-crt and s-crtS.
6032 2000-04-07 Richard Henderson <rth@cygnus.com>
6034 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6035 if we discover we need a pseudo and no_new_pseudos is true.
6036 * config/alpha/alpha.md (ne:DI insn): New.
6037 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6039 2000-04-07 Richard Henderson <rth@cygnus.com>
6041 * rtl.def (COND_EXEC): New.
6042 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6043 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6045 * genconfig.c (have_cond_arith_flag): Remove.
6046 (have_cond_exec_flag): New.
6047 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6048 (main): Print HAVE_conditional_execution.
6050 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6051 (sched_analyze_insn, print_pattern): Likewise.
6052 * reload.c (find_equiv_reg): Likewise.
6053 * rtlanal.c (reg_referenced_p): Likewise.
6054 (note_stores, dead_or_set_regno_p): Likewise.
6055 (reg_overlap_mentioned_p): Rewrite to use a switch.
6057 * ggc.h (struct rtx_def): Forward declare.
6059 * print-rtl.c (debug_rtx_range): New.
6060 * rtl.h (debug_rtx_range): Declare.
6062 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6064 * gcse.c (gcse_main): Don't rebuild the CFG here.
6065 (delete_null_pointer_checks): Likewise.
6066 * ssa.c (convert_to_ssa): Likewise.
6067 * toplev.c (rest_of_compilation): Do it here instead. Combine
6068 sequential calls to TIMEVAR. Consistently use `insns' instead of
6069 `get_insns()'. Always split insns after reload when optimizing.
6071 * basic-block.h (merge_blocks_nomove): Declare.
6072 (tidy_fallthru_edge): Declare.
6073 * flow.c (merge_blocks_nomove): Document as merging into previous
6074 blocks. Remove cruft from between blocks; remove all edges out of A.
6075 (tidy_fallthru_edge): Export.
6077 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6079 * ssa.c (compute_conservative_reg_partition): Declare with
6081 * toplev.c (clean_dump_file): Remove previously-deleted function
6082 inadvertantly merged back in.
6083 * conflict.c (conflict_graph_add): Use a single call to
6084 htab_find_slot to look up and insert.
6086 2000-04-06 Richard Henderson <rth@cygnus.com>
6088 * genrecog.c (*): Rename _last_insn to last_insn.
6089 (make_insn_sequence): Set the position of the peephole2 C test
6090 to be at the last insn.
6092 2000-04-06 Richard Henderson <rth@cygnus.com>
6094 * flow.c (compute_flow_dominators): Free worklist.
6096 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6098 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6100 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6102 * rtl.h (INSN_P): New macro.
6103 (successor_phi_fn): New typedef.
6104 (for_each_successor_phi): New prototype.
6105 (in_ssa_form): New variable.
6106 (PHI_NODE_P): Likewise.
6107 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6108 phi nodes in successors.
6109 (mark_used_regs): Add PHI case.
6110 (set_phi_alternative_reg): New function.
6111 (life_analysis): Assert that dead code elimination is not selected
6113 * toplev.c (to_ssa_time): New variable.
6114 (from_ssa_time): Likewise.
6115 (compile_file): Zero to_ssa_time and from_ssa_time.
6116 Print time to convert to and from SSA.
6117 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6118 (print_time): Compute percent fraction as integer.
6119 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6120 (convert_to_ssa): Check if we're already in SSA.
6121 Don't eliminate dead code in life_analysis.
6122 Rerun flow and life analysis at bottom.
6123 (eliminate_phi): Use canonical regnos when adding nodes.
6124 (mark_reg_in_phi): New function.
6125 (mark_phi_and_copy_regs): Likewise.
6126 (convert_from_ssa): Rerun life analysis at top.
6127 Use coalesced partition.
6128 Check for removing a phi node at the end of the block.
6129 (compute_coalesced_reg_partition): New function.
6130 (coalesce_regs_in_copies): Likewise.
6131 (coalesce_reg_in_phi): Likewise.
6132 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6133 (for_each_successor_phi): Likewise.
6134 (rename_context): New struct.
6135 (rename_block): Use a rename_context with rename_insn_1. When
6136 renaming sets of a subreg, emit a copy of the entire reg first.
6137 (rename_insn_1): Treat data as a rename_context *. Save current
6139 (rename_set_data): Add field set_insn.
6140 * Makefile.in (HASHTAB_H): Move up in file.
6141 (OBSTACK_H): New macro.
6142 (collect2.o): Use OBSTACK_H in dependencies.
6143 (sdbout.o): Likewise.
6144 (emit-rtl.o): Likewise.
6145 (simplify-rtx.o): Likewise.
6146 (fix-header.o): Likewise.
6147 (OBJS): Add conflict.o.
6148 (conflict.o): New rule.
6149 * basic-block.h: Include partition.h.
6150 (conflict_graph): New typedef.
6151 (conflict_graph_enum_fn): Likewise.
6152 (conflict_graph_new): New prototype.
6153 (conflict_graph_delete): Likewise.
6154 (conflict_graph_add): Likewise.
6155 (conflict_graph_conflict_p): Likewise.
6156 (conflict_graph_enum): Likewise.
6157 (conflict_graph_merge_regs): Likewise.
6158 (conflict_graph_print): Likewise.
6159 (conflict_graph_compute): Likewise.
6160 * conflict.c: New file.
6162 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6164 * tlink.c (read_repo_files): Don't look for .rpo info for
6167 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6169 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6171 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6173 * config/sh/lib1funcs.asm (___udivsi3_i4):
6174 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6175 only depends on FMOVD_WORKS.
6177 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6179 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6180 make double constant 8-byte aligned.
6182 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6184 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6185 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6186 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6187 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6188 Accept storing GENERAL_REGS into offsetable memory.
6189 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6190 building a TFmode constant other than 0.0L into GENERAL_REGS.
6192 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6194 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6196 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6198 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6199 (macro_cleanup): No need to cast pbuf->macro.
6200 (collect_expansion): Use _cpp_get_define_token. Goto done if
6201 it returns VSPACE. Remove check for trailing space after
6203 (_cpp_create_definition): Don't diddle flags here. Return
6205 (unsafe_chars): Handle c1 being EOF.
6206 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6207 checks. Don't push the buffer till after we're done with
6209 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6210 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6211 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6213 (_cpp_parse_assertion): Don't NUL terminate.
6214 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6215 hspace before calling _cpp_parse_assertion. Remove all sets
6216 of only_seen_white. Treat '\f' as hspace. Don't do anything
6217 special with '\n' here.
6218 (maybe_macroexpand): Handle T_EMPTY hash entries without
6219 pushing a buffer at all.
6220 (cpp_get_token): Handle clearing only_seen_white here. Handle
6221 incrementing the line number here. Clear
6222 potential_control_macro as well as only_seen_white, if
6224 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6225 (_cpp_get_define_token): New function, basically like
6226 _cpp_get_directive_token was but doesn't eat horizontal space.
6227 Don't do anything with only_seen_white here.
6228 (_cpp_get_directive_token): Just call _cpp_get_define_token
6229 repeatedly till it returns non-hspace.
6231 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6232 (conditional_skip, skip_if_group): Return int.
6233 (DIRECTIVE_TABLE): Change origin of all conditional directives
6235 (TRAD_DIRECT_P): New macro.
6236 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6237 an error for a bogus directive, unless -lang-asm. Use
6238 TRAD_DIRECT_P. Loop calling handler functions till one returns
6240 (get_macro_name): Don't diddle flags here.
6241 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6242 Create T_EMPTY nodes for #define macro /* nothing */.
6243 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6244 Use hp->name when calling pass_thru_directive.
6245 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6246 Return the result of conditional_skip and/or skip_if_group.
6247 Don't call _cpp_output_line_command.
6248 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6249 Issue -Wtraditional warnings as appropriate. Don't complain
6250 about unrecognized directives. If we are to stop skipping,
6251 return the number of the directive that ended the skip.
6252 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6253 expansion and line commands while skipping. Return the result
6254 of consider_directive_while_skipping, if nonzero.
6255 (do_endif): Just set potential_control_macro here.
6256 (validate_else): Use _cpp_get_directive_token.
6257 (do_assert, do_unassert): Don't save pointers into the
6258 token_buffer across calls to the lexer. Use
6259 _cpp_get_directive_token.
6261 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6262 pointer, not an offset. Replace 'data', which was a generic
6263 pointer, with 'macro', which points to a struct hashnode.
6264 (cpp_reader): Add 'potential_control_macro' pointer.
6265 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6266 (CPP_BUF_GET, CPP_FORWARD): Delete.
6267 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6268 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6269 ACTIVE_MARK_P): Update.
6270 (_cpp_get_define_token): New internal function.
6271 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6273 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6275 * configure.in: And here.
6276 * configure: Regenerate.
6277 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6278 --enable-libstdcxx-v3 is passed at configure time.
6279 * config.h.in: Regenerate.
6281 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6283 * final.c (final): Use xcalloc to allocate line_note_exists.
6284 * function.c (free_after_compilation): Free the temp_slots.
6285 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6286 (combine_temp_slot): Free temp_slots when they get combined.
6287 (purge_addressof): Fix typo in comment.
6288 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6289 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6291 * ggc.h: Include varray.h.
6292 (ggc_pending_trees): Declare.
6293 (ggc_mark_tree_children): Remove declaration.
6294 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6295 * ggc-common.c (ggc_pending_trees): New variable.
6296 (ggc_mark_roots): Call ggc_mark_trees.
6297 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6298 the ggc_pending_trees.
6299 * Makefile.in (GGC_H): New variable. Use it throughout in place
6302 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6304 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6307 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6309 * sh.c (sh_insn_length_adjustment): New function.
6310 * sh-protos.h (sh_insn_length_adjustment): Declare.
6311 * sh.h (ADJUST_INSN_LENGTH): Use it.
6313 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6315 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6316 from the insn where REG_RETVAL is added.
6317 (emit_no_conflict_block): Ditto.
6319 * md.texi (Standard Names): Clarify when movX is needed.
6321 * combine.c (simplify_comparison) [MINUS]: Do not replace
6322 all (op (minus A B) 0) with (op A B).
6324 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6325 J"orn Rennecke <amylaar@cygnus.co.uk>
6327 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6328 (block_lump_real): Likewise.
6330 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6332 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6333 remaining non-zero debugging masks.
6335 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6337 * basic-block.h (verify_flow_info): Declare.
6338 (flow_loop_outside_edge_p): Declare.
6339 * flow.c (verify_flow_info): Remove declaration.
6340 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6342 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6344 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6347 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6349 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6350 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6351 seqdi_zero_trunc+1): Allow splits only if registers are
6354 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6356 * acconfig.h: Add HAVE_GAS_HIDDEN.
6357 * config.in: Regenerated.
6358 * configure.in: Add test for .hidden pseudo-op in gas.
6359 * configure: Regenerated.
6360 * crtstuff.c: Include auto-host.h.
6361 Emit additional .hidden pseudo-op for __dso_handle if the
6362 assembler knows about it.
6364 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6366 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6367 before freeing argnames.
6368 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6370 2000-04-05 Michael Meissner <meissner@redhat.com>
6372 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6373 Walton <jonboy@gordian.com> to make memory references with update
6374 work wtih -mregnames.
6376 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6378 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6379 (regrename_optimize): Rename variables `def_uses' and
6380 `ext_basic_blocks' to avoid conflicts with similarly named
6381 typedefs in traditional C.
6383 * calls.c (initialize_argument_information): Fix typo in previous
6386 2000-04-04 Richard Henderson <rth@cygnus.com>
6388 * regrename.c (consider_available): Test fixed_regs not
6389 PIC_OFFSET_TABLE_REGNUM.
6391 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6393 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6395 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6396 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6397 (ENDFILE_LINUX_SPEC): Always use crtend.
6398 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6399 (powerpc-*-linux-gnu): Likewise.
6400 * configure: Regenerate.
6402 * config/rs6000/eabi.h: Don't include sysv4.h.
6403 (MULTILIB_DEFAULTS): Don't define.
6404 * config/rs6000/eabiaix.h: Don't include eabi.h.
6405 * config/rs6000/eabile.h: Delete.
6406 * config/rs6000/eabilesim.h: Delete.
6407 * config/rs6000/eabisim.h: Don't include eabi.h.
6408 * config/rs6000/linux.h: Don't include sysv4.h.
6409 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6410 (MULTILIB_DEFAULTS): Don't redefine.
6411 * config/rs6000/rtems.h: Don't include eabi.h.
6412 * config/rs6000/sol2.h: Don't include sysv4le.h.
6413 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6414 * config/rs6000/t-ppc: Delete.
6415 * config/rs6000/t-ppcgas: Correct comment.
6416 * config/rs6000/t-ppcos: Correct comment. Don't build
6417 multilibs for -fPIC, rather use -fPIC -mstrict-align
6419 * config/rs6000/t-ppc: Delete.
6420 * config/rs6000/vxppc.h: Don't include sysv4.h.
6421 * config/rs6000/vxppcle.h: Delete.
6422 * configure.in: Use multiple header files for p2pc ELF targets
6423 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6424 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6425 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6426 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6427 always available for these platforms.
6429 2000-04-04 Richard Henderson <rth@cygnus.com>
6431 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6433 2000-04-04 Stan Cox <scox@cygnus.com>
6435 * Makefile.in: Add rules for regrename.o
6436 * regrename.c: New file.
6437 * rtl.h (regrename_optimize): Add prototype.
6438 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6439 (compile_file, decode_d_option): Add support for -frename-registers.
6440 (rest_of_compilation): Call regrename_optimize.
6441 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6444 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6446 * Makefile (gccbug): New target.
6447 (doc): Depend on it.
6448 * gcc.texi (Bugs): Link subnodes.
6450 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6451 Document severities, priorities, and classes in bug form.
6453 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6455 * cpplex.c (trigraph_map, speccase): Combine into single
6457 (NORMAL, NONTRI): New macros.
6458 (_cpp_read_and_prescan): Change to use unified table. Use
6459 is_hspace to test for whitespace.
6461 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6462 definition that doesn't provoke the "empty body in an
6463 if-statement" warning.
6465 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6467 * builtins.c (expand_builtin_strlen): Force the source to
6468 be a memory address.
6470 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6472 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6474 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6476 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6477 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6478 (ECF_IS_CONST): Rename to ECF_CONST.
6479 (special_function_p): Make static, change interface.
6480 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6481 (expand_call) ... here; convert number of variables to flags.
6482 (emit_library_call_vlue_1): Likewise.
6483 (setjmp_call_p): New function.
6484 (initialize_argument_information): Accepts flags as argument;
6486 (precompute_arguments): Likewise.
6487 * tree.h (special_function_p): Remove.
6488 (setjmp_call_p): Add prototype.
6490 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6492 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6493 so that addresses are offsetable by up to 16 bytes.
6494 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6495 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6498 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6499 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6500 (movsf): Don't force any constant to memory if target is integer
6502 Move fp_zero_operand check below the const0_rtx check.
6503 (movtf): Likewise. Also allow fp_zero_operand for stores into
6505 (movdf): Likewise. Also allow fp_zero_operand for stores into
6506 memory and into integer hard registers.
6507 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6508 movdf_const_intreg_sp64): Remove.
6509 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6511 (movdf_no_e_insn_v9_sp32): New pattern.
6512 (movdf_insn_v9only): Remove.
6513 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6514 (movdf_insn_sp64): Remove.
6515 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6516 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6517 (following splits): Rewrite conditions. Add two new splits
6518 for storing 0.0 into memory and registers.
6519 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6520 (movtf_insn_sp32): Redo constraints and conditions.
6521 (movtf_insn_vis_sp32): New pattern.
6522 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6523 (movtf_insn_hq_sp64): Likewise.
6524 (movtf_insn_hq_vis_sp64): New pattern.
6525 (movtf_insn_sp64): Redo constraints and conditions.
6526 (movtf_insn_vis_sp64): New pattern.
6527 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6528 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6530 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6531 -mvis or -m64 to take down the number of various reload patterns.
6533 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6535 * pa/pa-64.h: New file.
6536 * pa/pa64-regs.h: New file.
6537 * pa/pa64-start.h: New file.
6538 * pa/t-pa64: New file.
6539 * pa/xm-pa64hpux.h: New file.
6541 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6543 * sparc.c (output_restore_regs): Prototype.
6544 (sparc_emit_float_lib_cmp): Constification.
6546 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6548 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6551 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6552 (get_value_hash, hash_rtx): Likewise.
6554 * ssa.c (compute_conservative_reg_partition): Prototype.
6556 * tree.c (mark_hash_entry): Prototype.
6558 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6560 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6561 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6562 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6564 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6565 * objc/lang-specs.h: Likewise.
6567 2000-04-03 Neil Booth <NeilB@earthling.net>
6569 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6570 and SYNTAX_ERROR2. Replace `' in messages with ''.
6571 (op_to_str): Make re-entrant.
6572 (_cpp_parse_expr): Implement new error macros. Use | rather
6573 than || to logically or 2 boolean integers. Simply expression
6574 checking we have a left operand iff needed.
6576 2000-04-03 Nick Clifton <nickc@cygnus.com>
6578 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6580 2000-04-03 Philip Blundell <philb@gnu.org>
6582 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6584 2000-04-03 Felix Lee <flee@cygnus.com>
6586 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6587 (run_shell): Use it.
6589 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6591 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6592 (stmp-fixproto): ...rather than here.
6594 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6596 * pa.c (print_operand): Compute 'base' only inside the code paths
6599 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6601 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6604 2000-04-03 Philipp Thomas <pthomas@suse.de>
6606 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6608 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6610 * Makefile.in (alias.o): Depend on $(TREE_H).
6612 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6614 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6616 * cpplib.c (_cpp_handle_directive): Improve warnings for
6617 traditional C and indented directives.
6619 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6620 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6621 fixinc/inclhack.def: Indent the # of #include_next one space.
6622 * cp/rtti.c: Un-indent #if and #endif.
6624 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6625 syntax error, but an error has already been printed.
6626 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6627 message when called with nothing remaining on the line.
6628 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6629 OTHER token, not an ASSERTION.
6630 * cpplib.c (do_assert): When we create a 'base' node, clear
6631 its aschain pointer.
6633 2000-04-02 Neil Booth <NeilB@earthling.net>
6635 * cppexp.c: New typedef op_t. struct operation and struct
6636 token updated to use it.
6637 (op_to_str): New function.
6638 (_cpp_parse_expr): Error messages modified to use op_to_str.
6640 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6642 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6643 before checking MUST_PASS_IN_STACK.
6645 2000-04-02 Neil Booth <NeilB@earthling.net>
6647 * cppexp.c: New FINISHED dummy token. Combine operator initial
6648 flags and initial priority into a single constant. New
6649 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6650 (_parse_cpp_expr): Implement new constants. Take left operand
6651 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6652 parse indicated by reducing FINISHED token. Remove new lines
6653 from cpp_error messages.
6655 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6657 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6660 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6662 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6663 directive. Add origin values to DIRECTIVE_TABLE. Generate
6664 the strings and function names on the fly. Take the #sccs
6665 entry out of the table if SCCS_DIRECTIVE is not defined.
6666 (_cpp_handle_directive): Decide if the # was at the beginning
6667 of the line here. Issue -pedantic warnings for extended
6668 directives here. Warn about K+R directives with the #
6669 indented, and C89/extended directives with the # not indented,
6671 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6672 do_assert, do_unassert): Don't issue pedantic warning here.
6674 * cpphash.h: Add CPP_WTRADITIONAL macro.
6675 * cpplib.h (struct cpp_options): Rename warn_stringify to
6676 warn_traditional; update comments.
6677 * cppinit.c (handle_option): Set warn_traditional not
6679 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6680 CPP_WTRADITIONAL (pfile).
6681 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6682 be ignored in -traditional mode here.
6684 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6685 to initialize speccase[] and trigraph_map[]. Delete all
6686 references to pfile->input_speccase. Always treat '?' as a
6687 special character. Remove table-initialization code from
6688 _cpp_init_input_buffer.
6690 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6691 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6693 2000-04-01 Richard Henderson <rth@cygnus.com>
6695 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6696 (mostlyclean): Likewise.
6698 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6699 (struct dump_file_info, enum dump_file_index, dump_file): New.
6700 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6701 not a string. Clean out file if we havn't yet done so. Do nothing
6702 if the dump isn't enabled.
6703 (close_dump_file): Do nothing if the dump isn't open. Dump
6704 graph data if requested.
6705 (dump_rtl, clean_dump_file): Remove.
6706 (compile_file): Don't clean the dump files. Only finalize .bp dump
6707 if flag_test_coverage or flag_branch_probabilities. Only finalize
6708 .combine dump if optimizing. Iterate over dump_file to finalize the
6710 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6711 Convert all uses of dump_rtl.
6712 (decode_d_option): Iterate over dump_file to implement 'a' and to
6713 locate pass-specific dumps.
6715 2000-04-01 Neil Booth <NeilB@earthling.net>
6717 * cppexp.c: Redefine priority constants.
6718 (_cpp_parse_expr): Replace left and right priority scheme with
6719 single priority logic. Move LOGICAL to same place as COMPARE.
6720 Remove bogus check for multiple unary +/- operators.
6722 2000-04-01 Neil Booth <NeilB@earthling.net>
6724 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6725 within the switch statement. Binary operations break out of
6726 the switch naturally. '(' tokens handled by forcing
6727 immediate shift. ')' handled by forcing immediate reduce to
6728 the previous '('. New error messages.
6730 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6732 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6733 part', it's already in use. Use %K instead. Add a return at the
6734 end of what is now %K.
6735 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6737 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6739 * builtins.c (expand_builtin_apply): Pass proper parameters to
6740 allocate_dynamic_stack_space.
6741 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6742 update stack_pointer_delta; do not update arg_size_so_far.
6743 (compute_argument_block_size): Use stack_delta instead of
6744 stack_pointer_pending and arg_size_so_far.
6745 (expand_call): Add sanity checking for stack_pointer_delta;
6746 save and restore stack_pointer_delta for SIB, use
6747 stack_pointer_delta for alignment; do not update arg_space_so_far.
6748 (emit_library_call_value): Use stack_pointer_delta for alignment.
6749 (store_one_arg): Do not update arg_space_so_far.
6750 * explow.c (adjust_stack, anti_adjust_stack): Update
6751 stack_pointer_delta.
6752 (allocate_dynamic_stack_space): Add sanity checking for
6753 stack_pointer_delta.
6754 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6755 stack_pointer_delta.
6756 (emit_push_insn): Update stack_pointer_delta.
6757 * function.h (struct expr_status): Add x_stack_pointer_delta;
6758 remove x_arg_space_so_far.
6759 (arg_space_so_far): Remove.
6760 (stack_pointer_delta): New macro.
6762 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6764 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6765 Reorder struct cpp_options and struct cpp_reader for better
6766 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6767 takes two args. Change all 'char' flags to 'unsigned char'.
6768 Move show_column flag into struct cpp_options. Don't
6769 prototype cpp_options_init.
6770 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6771 cppinit.c, cpplex.c, cpplib.c:
6772 Replace CPP_OPTIONS (pfile)->whatever with
6773 CPP_OPTION (pfile, whatever), and likewise for
6774 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6776 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6777 Extract CPP_OPTION (pfile, pending) and work with that
6779 (cpp_options_init): Delete.
6780 (cpp_reader_init): Turn on on-by-default options here.
6781 Allocate the pending structure here.
6782 (cl_options, enum opt_code): Define these from the same table,
6783 kept in a large macro. Add -fshow-column and -fno-show-column
6786 * cpperror.c (v_message): If show_column is off, don't print
6789 * cppmain.c: Update for new interface.
6790 * fix-header.c: Likewise.
6792 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6794 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6796 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6797 are passed to any invocation of AR_FOR_TARGET.
6798 (AR_CREATE_FOR_TARGET): New macro.
6799 (AR_EXTRACT_FOR_TARGET): New macro.
6800 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6801 AR_EXTRACT_FOR_TARGET.
6802 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6803 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6804 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6805 AR_EXTRACT_FOR_TARGET to sub-makes.
6807 2000-03-31 Neil Booth <NeilB@earthling.net>
6809 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6811 (_cpp_parse_expr): Check for multiple unary +/- operators.
6812 Correct priorities of ':' and '?'. Treat ')' as having a
6813 value. Ensure conditional expression is not void.
6815 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6817 * alias.c (canon_rtx): Make it global.
6818 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6820 * cse.c (struct table_elt): Add canon_exp.
6822 (invalidate): Canonicalize expressions only once.
6823 * rtl.h (canon_rtx): Declare.
6825 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6827 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6828 * alias.c (reg_known_value): Add comments.
6829 (init_alias_analysis): Likewise.
6830 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6832 (cse_basic_block): Fix typo in comment.
6833 * emit-rtl.c: Include hashtab.h.
6834 (const_int_htab): New variable.
6835 (const_int_htab_hash): New function.
6836 (const_int_htab_eq): Likewise.
6837 (rtx_htab_mark_1): Likewise.
6838 (rtx_htab_mark): Likewise.
6839 (gen_rtx_CONST_INT): Cache all CONST_INTs.
6840 (unshare_all_rtx): Fix formatting.
6841 (init_emit_once): Initialize const_int_htab.
6842 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
6844 * rtl.texi: Document the fact that all CONST_INTs with the same
6847 2000-03-30 Richard Henderson <rth@cygnus.com>
6849 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
6851 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
6853 * configure.in: Comment out --enable-c-cpplib stanza.
6854 * configure: Regenerate.
6856 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6858 * expr.c (store_constructor): Properly compute displacement and
6859 alignment when offset is variable.
6861 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
6862 cases of alignment in bytes.
6864 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
6866 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
6867 since it is used to generate c-parse.y.
6868 * objc-parse.c, objc-parse.y: Regenerated.
6870 * function.c (expand_function_end): Pass alignment argument to
6871 emit_block_move in bits, not bytes.
6873 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6875 * expr.c (move_by_pieces_ninsns): Fix one more missing align
6878 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
6880 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
6881 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
6882 * function.c (assign_parms): Likewise.
6883 * integrate.c (expand_inline_function): Likewise.
6884 * stmt.c (expand_decl): Likewise.
6885 (copy_rtx_and_substitute): Likewise.
6886 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
6887 (clear_by_pieces): Fix error in last change.
6888 * emit-rtl.c (init_emit): Set known registers alignment in bits.
6889 * function.h (regno_pointer_align): Now unsigned.
6890 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
6892 * config/i386/i386.c (aligned_operand): Likewise.
6893 * config/sparc/sparc.c (mem_min_alignment): Likewise.
6894 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
6895 (unaligned_memory_operand): Likewise.
6896 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
6897 Also make alignments and sizes unsigned and some whitespace cleanup.
6898 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
6900 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
6901 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
6902 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
6903 (expand_builtin_memset): Likewise, but to clear_storage.
6904 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
6905 (restore_fixed_argument_area): Likewise.
6906 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
6907 (load_register_parameters): Likewise, to emit_group_load.
6908 (expand_call): Likewise, to emit_group_store and emit_block_move.
6909 (emit_library_call_value_1): Likewise, to emit_block_move.
6910 (store_one_arg): Likewise, and to emit_push_insn.
6911 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
6912 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
6913 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
6914 (emit_block_move, emit_group_load, emit_group_store): Likewise.
6915 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
6916 (expand_assigment, store_expr, store_constructor_field): Likewise.
6917 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
6918 (store_constructor, store_field, get_inner_reference): Likewise.
6919 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
6920 (expand_expr, case COMPONENT_REF): Likewise.
6921 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
6922 and positions; reindent code.
6923 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
6924 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
6925 (assign_parms): Likewise to emit_group_store.
6926 * optabs.c (prepare_cmp_insn): Alignment is in bits.
6927 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
6928 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
6929 (expand_return): Likewise to {extract,store}_bit_field.
6930 * stor-layout.c (get_mode_alignment): Minor cleanup.
6931 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
6932 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
6934 2000-03-29 Nick Clifton <nickc@cygnus.com>
6936 * config/arm/arm.h: Undo effects of previous delta:
6937 (ASM_SPEC): Do not define.
6938 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
6940 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
6943 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6945 * cppinit.c (cpp_start_read): Call initialize_dependency_output
6946 only after reading in the primary source file.
6948 2000-03-29 Geoff Keating <geoffk@cygnus.com>
6950 * c-common.c (c_common_nodes_and_builtins): The first parameter to
6951 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
6952 or a reference to a va_list.
6953 * builtins.c (stabilize_va_list): Simplify now we don't have to
6954 work around C array address decay.
6955 * c-typeck.c (convert_for_assignment): Handle assignment to
6956 a reference parameter by taking the address of the RHS.
6957 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
6958 (va_copy): Likewise.
6959 (__va_copy): Likewise.
6960 * ginclude/varargs.h (va_start): Likewise.
6961 (__va_copy): Likewise.
6963 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
6965 * i386/djgpp.h: Remove extraneous "+".
6967 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
6969 * calls.c (expand_call): Fix typo in last change.
6971 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
6973 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
6976 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6978 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
6979 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
6980 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
6981 * tree.c (bit_position, byte_position): Likewise.
6982 * tree.h: Declare new functions.
6984 2000-03-29 Nick Clifton <nickc@cygnus.com>
6986 * config/arm/arm.c: Minor formatting changes/
6987 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6989 (ASM_SPEC): Define if not already defined.
6991 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
6993 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
6996 2000-03-29 Jakub Jelinek <jakub@redhat.com>
6998 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
6999 value, don't output it as unsigned.
7001 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7003 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7005 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7007 * c-common.c (c_common_nodes_and_builtins): Don't special case
7008 cplus_mode when declaring builtin bzero/bcmp, always avoid
7009 prototype arguments.
7011 2000-03-29 Bruce Korb <bkorb@gnu.org>
7013 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7016 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7018 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7019 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7020 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7021 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7022 (save_fixed_argument_area, restore_fixed_argument_area):
7023 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7024 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7025 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7026 (precompute_register_parameters): Avoid #ifdefs on
7027 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7028 (stire_one_args): Likewise.
7029 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7030 (emit_library_call_value_1): Likewise.
7031 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7032 ACCUMULATE_OUTGOING_ARGS.
7033 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7035 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7036 (use_crosses_set_p): Likewise.
7037 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7038 #define ACCUMULATE_OUTGOING_ARGS 1.
7039 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7041 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7043 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7044 (TARGET_SWITCHES): Add push-args, no-push-args,
7045 accumulate-outgoing-args and no-accumulate-outgoing-args.
7046 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7047 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7048 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7050 (emit_push_insn): Likewise.
7051 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7052 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7053 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7054 (STACK_DYNAMIC_OFFSET): Define correctly for both
7055 ACCUMULATE_OUTGOING_ARGS and normal mode.
7056 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7057 * tm.texi (PUSH_ARGS): Document.
7058 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7060 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7062 * flags.h (flag_optimize_sibling_calls): Declare.
7063 * calls.c (expand_call): Fail sibcall when
7064 !flag_optimize_sibling_calls
7065 * invoke.texi (flag_optimize_sibling_calls): Document.
7066 * toplev.c (flag_optimize_sibling_calls): New global variable.
7067 (f_options): Add flag_optimize_sibling_calls.
7068 (rest_of_compilation): Conditionize
7069 optimize_sibling_and_tail_recursive_calls by
7070 flag_optimize_sibling_calls.
7071 (main): Set flag_optimize_sibling_calls for -O2.
7072 * stmt.c (expand_return): Conditionize tail recursion by
7073 flag_optimize_sibling_calls.
7075 2000-03-29 Richard Henderson <rth@cygnus.com>
7077 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7078 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7080 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7082 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7084 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7086 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7088 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7089 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7090 * config/rs6000/aix.h: then modified likewise.
7092 2000-03-28 Richard Henderson <rth@cygnus.com>
7094 * rtl.h: Redistribute enum reg_note documentation.
7095 Kill trailing whitespace.
7096 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7097 Kill trailing whitespace.
7099 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7101 * cppfiles.c (hash_IHASH): Just return i->hash.
7102 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7103 htab_find_with_hash.
7104 (cpp_read_file): Likewise.
7105 (find_include_file): Likewise. Properly initialize
7106 ih->nshort. Share ih->name and ih->nshort if possible.
7107 * cpphash.c (_cpp_calc_hash): New function.
7108 (hash_HASHNODE): Just return h->hash.
7109 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7110 htab_find_with_hash.
7111 * cpphash.h: Prototype _cpp_calc_hash.
7112 * cppinit.c (initialize_builtins): Provide a valid hash
7113 to _cpp_make_hashnode, using _cpp_calc_hash.
7115 * cpphash.c (collect_expansion): # is not a special character
7116 in object-like macros. In -traditional mode, /**/ is not
7117 token paste at the beginning or end of the line.
7118 * cpplib.c (do_include, do_import, do_include_next): If
7119 parse_include fails, return immediately.
7121 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7123 * config/arm/arm.md (return peepholes): Update to reflect the new
7125 * config/arm/arm.c (arm_volatile_func): Also check
7126 current_function_nothrow.
7127 (output_return_instruction, output_func_prologue): Use it.
7128 (arm_output_epilogue, arm_expand_prologue): Likewise.
7130 2000-03-27 Tom Tromey <tromey@cygnus.com>
7132 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7135 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7137 * expr.c (store_constructor): SIZE now signed.
7138 For EXPR_SIZE, don't evaluate size; just needed if constant.
7139 * fold-const.c (fold): Fix a number of cases when folded tree is
7141 * function.c (flush_addressof): Reenable.
7142 * tree.h (flush_addressof): Likewise.
7143 * toplev.c (independent_decode_option): Look at strings_processed.
7144 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7146 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7148 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7149 Allow stack adjustment after function call.
7151 * regmove.c (struct csa_memlist): Make mem field rtx *.
7152 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7153 (try_apply_stack_adjustment): Replace whole MEM rtx.
7154 (combine_stack_adjustments_for_block): Update calls
7155 to record_one_stack_ref.
7157 2000-03-28 Neil Booth <NeilB@earthling.net>
7159 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7160 '\\' rather than a null character, so nulls are not special. Fix
7161 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7162 speed trigraph conversion.
7163 (_cpp_init_input_buffer): Initialize trigraph map.
7165 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7167 * config/i386/i386.c (output_387_binary_op): Correct intel
7168 mode assembly output, and add spaces after commas in AT&T
7169 output. Correct Unixware assembler comment. Document input
7170 constraints. Comment fp operations. Reduce profligate buffer
7171 size. Remove extraneous abort. Localize temp var.
7172 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7173 (output_fix_trunc): Add spaces after commas in assembly output.
7175 2000-03-27 Richard Henderson <rth@cygnus.com>
7177 * i386-protos.h (ix86_match_ccmode): Declare.
7178 * i386.c (ix86_match_ccmode): New.
7179 (ix86_expand_fp_compare): Update for pattern renames.
7180 (ix86_expand_strlensi_unroll_1): Likewise.
7181 * i386.h (EXTRA_CC_MODES): Add CCZ.
7182 (SELECT_CC_MODE): Use it for EQ/NE zero.
7183 * i386.md (cmpsi_ccz_1): New.
7185 (*testsi_ccz_1): New.
7186 (testqi_ccz_1): New.
7187 (cmpsi_ccno_1): Rename from cmpsi_0.
7188 (testsi_ccno_1): Rename from testsi_1.
7189 (testqi_ccno_1): Rename from testqi_1.
7190 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7191 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7192 (*cmphi_0): Use ix86_match_ccmode.
7193 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7194 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7195 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7196 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7197 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7198 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7199 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7200 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7201 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7202 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7203 (appropriate peepholes): Likewise.
7204 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7205 (*subsi_3, *subhi_3, *subqi_3): Remove.
7206 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7207 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7208 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7209 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7210 (x86_shift_adj_1): Use CCZ.
7211 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7213 2000-03-27 Stan Cox <scox@cygnus.com>
7215 * resource.h (mark_resource_type): New.
7216 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7217 find_free_register): Use mark_resource_type.
7218 (mark_set_resources): Change include_delayed_effects
7219 to mark_resource_type.
7220 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7221 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7222 Use mark_resource_type.
7224 2000-03-27 Richard Henderson <rth@cygnus.com>
7226 * i386.md (call_pop_0, call_value_pop_0): New.
7227 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7228 (call_value_pop_1): Likewise.
7229 (call_0, call_value_0): New.
7230 (call_1, call_value_1): Remove constraint from unused arg.
7232 2000-03-27 Nick Clifton <nickc@cygnus.com>
7234 * invoke.texi (Spec Files): Document new spec % command created by
7235 Tom Tromey's recent patch.
7237 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7239 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7242 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7244 * expr.c (expand_assignment): Fix typo in last change.
7246 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7248 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7250 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7251 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7252 and DECL_INLINE if FUNCTION_DECL.
7253 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7254 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7255 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7256 (combine_parm_decls): Likewise.
7257 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7258 * print-tree.c (print_node): Likewise.
7259 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7260 DECL_TRANSPARENT_UNION on proper decl types.
7261 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7262 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7263 DECL_BIT_FIELD of FIELD_DECL.
7264 * tree.h (DECL_RESULT_FLD): New macro.
7266 * expr.c (expand_assignment): Add code to handle variable-sized
7269 2000-03-26 Richard Henderson <rth@cygnus.com>
7271 * calls.c (expand_call): Pass parms not original exp to
7272 optimize_tail_recursion. Mind return value instead of looking
7274 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7275 call_expr. Move checks for call_expr and current_function_decl ...
7276 (expand_return): ... here.
7278 2000-03-26 Tom Tromey <tromey@cygnus.com>
7280 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7281 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7283 (process_command): Use them.
7284 (check_live_switch): Likewise.
7285 (give_switch): Skip ignored switches.
7287 2000-03-26 Jan Hubicka <jh@suse.cz>
7289 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7290 for minimal jump pass test.
7292 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7294 * integrate.c (function_cannot_inline_p): Do inline functions that
7297 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7299 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7300 now a list of TREE_LIST entries, not types.
7301 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7303 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7304 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7306 * config/mips/mips.c (function_arg): Likewise; also remove cast
7307 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7308 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7309 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7310 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7311 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7312 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7313 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7314 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7315 num_adjusts now unsigned.
7316 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7317 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7319 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7320 as is BITPOS variable; use host_integerp and int_bit_position.
7321 (function_arg_record_value_2): Likewise.
7322 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7323 Variable REGNO now unsigned.
7324 (function_arg_record_value): NREGS now unsigned.
7326 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7328 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7330 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7332 * Rework fields used to describe positions of bitfields and
7333 modify sizes to be unsigned and use HOST_WIDE_INT.
7334 * alias.c (reg_known_value_size): Now unsigned.
7335 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7336 (really_start_incremental_init): Use bitsize_zero_node.
7337 (push_init_level, pop_init_level, output_init_element): Likewise.
7338 Use bitsize_unit_node and bitsize_one_node.
7339 (output_pending_init_elements, process_init_element): Likewise.
7340 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7341 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7342 HOST_WIDE_INT, respectively.
7343 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7344 (num_sign_bit_copies): Returns unsigned.
7345 BITWIDTH now unsigned; rework arithmetic.
7346 Remove recursive call from arg to MAX.
7347 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7348 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7350 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7351 (find_split_point, expand_compound_operation, make_extraction): LEN
7352 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7353 (make_field_assignment): Likewise.
7354 (combine_simplify_rtx): Add cast.
7355 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7356 (force_to_mode): WIDTH now unsigned; add cast.
7357 (if_then_else_cond): SIZE now unsigned.
7358 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7359 (extended_count): Now returns unsigned.
7360 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7361 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7362 (simplify_comparison): MODE_WIDTH now unsigned.
7363 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7364 (mark_used_regs_combine): Likewise; rework arithmetic.
7365 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7366 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7367 (record_promoted_value): REGNO now unsigned.
7368 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7369 (get_last_value): REGNO now unsigned.
7370 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7371 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7372 (remove_death): Arg REGNO now unsigned.
7373 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7374 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7376 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7377 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7378 (struct cse_reg_info): REGNO now unsigned.
7379 (cached_regno): Now unsigned.
7380 (REGNO_QTY_VALID_P): Add cast.
7381 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7382 (remove_invalid_regs): Likewise.
7383 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7384 as are variables END and I.
7385 (get_cse_reg_info, insert): Likewise.
7386 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7387 (canon_hash): Likewise.
7388 (insert_regs, lookup_for_remove): REGNO now unsigned.
7389 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7391 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7392 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7393 * emit-rtl.c (subreg_realpart_p): Add cast.
7394 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7395 (operand_subword_force): Arg I is now unsigned.
7396 * except.c (eh_regs): Variable I is now unsigned.
7397 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7398 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7399 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7400 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7401 (extract_split_bit_field, store_bit_field, extract_bit_field):
7403 * expr.c (store_constructor_fields, store_constructor, store_field):
7404 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7405 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7406 (do_jump): Likewise.
7407 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7408 MAX_SIZE is now unsigned.
7409 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7410 (emit_group_store): Likewise.
7411 (emit_move_insn): I now unsigned.
7412 (store_constructor): Use host_integerp, tree_low_cst, and
7414 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7415 Rework all calculations to use trees and new fields.
7416 * expr.h (promoted_input_arg): Regno now unsigned.
7417 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7418 (mark_seen_cases): Arg is HOST_WIDE_INT.
7419 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7420 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7421 precisions and alignments are unsigned.
7422 (optimize_bit_field_compare, fold_truthop): Likewise.
7423 (int_const_binop): Adjust threshold for size_int_type_wide call.
7424 (fold_convert): Likewise.
7425 (size_int_type_wide): Make table larger and fix thinko that only
7426 had half of table used.
7427 (all_ones_mask_p, fold): Precisions are unsigned.
7428 * function.c (put_reg_info_stack): REGNO is unsigned.
7429 (instantiate_decl): Size is HOST_WIDE_INT.
7430 (instantiate_virtual_regs): I is unsigned.
7431 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7432 (promoted_input_arg): REGNO is unsigned.
7433 * function.h (struct function): x_max_parm_reg is now unsigned.
7434 * gcse.c (max_gcse_regno): Now unsigned.
7435 (struct null_pointer_info): min_reg and max_reg now unsigned.
7436 (lookup_set, next_set): REGNO arg now unsigned.
7437 (compute_hash_table): REGNO and I now unsigned.
7438 (handle_avail_expr): regnum_for_replacing now unsigned.
7439 (cprop_insn): REGNO now unsigned.
7440 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7441 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7442 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7443 * hard-reg-set.h (reg_class_size): Now unsigned.
7444 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7445 * jump.c (mark_modified_reg): I now unsigned; add cast.
7446 (rtx_equal_for_thread_p): Add cast.
7447 * loop.c (max_reg_before_loop): Now unsigned.
7448 (struct_movable): REGNO now unsigned.
7449 (try_copy_prop): REGNO arg unsigned.
7450 (regs_match_p): XN and YN now unsigned.
7451 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7452 (strength_reduce): Likewise; NREGS also unsigned.
7453 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7454 * loop.h (struct iv_class): REGNO now unsigned.
7455 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7457 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7458 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7459 * optabs.c (expand_binop): I and NWORDS now unsigned.
7460 (expand_unop): I now unsigned.
7461 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7462 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7463 * real.c (significand_size): Now returns unsigned.
7464 * real.h (significand_size): Likewise.
7465 * regclass.c (reg_class_size): Now unsigned.
7466 (choose_hard_reg_mode): Both operands now unsigned.
7467 (record_reg_classes): REGNO and NR now unsigned.
7468 (reg_scan): NREGS now unsigned.
7469 (reg_scan_update): old_max_regno now unsigned.
7470 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7471 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7472 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7473 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7474 Likewise for variable R.
7475 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7476 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7477 (find_equiv_reg): Add casts.
7478 (regno_clobbered_p): Arg REGNO now unsigned.
7479 * reload.h (struct reload): NREGS now unsigned.
7480 (refers_to_regno_for_reload_p): Regno args are unsigned.
7481 (regno_clobbered_p): Likewise.
7482 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7483 (compute_use_by_pseudos): REGNO now unsigned.
7484 (find_reg): I and J now unsigned, new variable K, and change loop
7485 variables accordingly; THIS_NREGS now unsigned.
7486 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7487 (spill_hard_reg): REGNO arg now unsigned; add casts.
7488 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7489 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7490 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7491 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7492 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7493 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7494 (emit_reload_insns): REGNO now unsigned.
7495 (reload_cse_move2add): Add cast.
7496 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7498 * resource.c (mark_referenced_resources, mark_set_resources): New
7499 variable R; REGNO and LAST_REGNO now unsigned.
7500 (mark_target_live_regs): J and REGNO now unsigned.
7501 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7502 * rtl.h (union rtunion_def): New field rtuint.
7503 (XCUINT): New macro.
7504 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7505 (operand_subword, operand_subword_force): Word number is unsigned.
7506 (choose_hard_reg_mode): Operands are unsigned.
7507 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7508 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7509 (regno_use_in, combine_instructions, remove_death): Likewise.
7510 (reg_scan, reg_scan_update): Likewise.
7511 (extended_count): Return is unsigned.
7512 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7513 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7514 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7515 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7516 (reg_reg_last_1): FIRS and LAST now unsigned.
7517 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7518 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7520 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7521 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7522 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7523 (replace_regs): Arg NREGS now unsigned.
7524 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7525 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7526 (simplify_binary_operation): Likewise.
7527 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7528 THIS_LAST now unsigned.
7529 (cselib_record_set): Add cast.
7530 * ssa.c (ssa_max_reg_num): Now unsigned.
7531 (rename_block): REGNO now unsigned.
7532 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7534 (all_cases_count): Just return -1 not -2.
7535 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7536 Rework tests to use trees whenever possible.
7537 Use host_integerp and tree_low_cst.
7538 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7539 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7540 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7541 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7542 (smallest_mode_for_size): Likewise.
7543 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7544 KNOWN_ALIGN is now an alignment, so simplify code.
7545 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7546 (start_record_layout): Renamed from new_record_layout_info.
7547 Update to new fields.
7548 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7550 (place_union_field): Renamed from layout_union_field.
7551 Update to use new fields in rli.
7552 (place_field): Renamed from layout_field.
7553 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7554 (finalize_record_size): Rework to use new fields in rli and handle
7556 (compute_record_mode): Rework to simplify and to use new DECL fields.
7557 (finalize_type_size): Make rounding more consistent.
7558 (finish_union_layout): Deleted.
7559 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7560 (layout_type, case RECORD_TYPE): Call new function names.
7561 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7562 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7563 (get_best_mode): UNIT is now unsigned; remove casts.
7564 * tree.c (bit_position): Compute from new fields.
7565 (byte_position, int_byte_position): New functions.
7566 (print_type_hash_statistics): Cast to remove warning.
7567 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7568 (build_index_type): Likewise; make subtype of sizetype.
7569 (build_index_2_type): Pass sizetype to build_range_type.
7570 (build_common_tree_nodes): Use size_int and bitsize_int to
7571 initialize nodes; add bitsize_{zero,one,unit}_node.
7572 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7573 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7574 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7575 (DECL_FIELD_BITPOS): Deleted.
7576 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7577 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7578 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7579 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7580 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7581 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7582 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7583 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7584 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7585 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7586 (DECL_ALIGN): Adjust to new field in union.
7587 (DECL_OFFSET_ALIGN): New field.
7588 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7589 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7590 (union tree_decl): Add struct for both aligns.
7591 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7592 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7593 (struct record_layout_info): Rework fields to have offset
7594 alignment and byte and bit position.
7595 (start_record_layout, place_field): Renamed from old names.
7596 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7597 (byte_position, int_byte_position): Likewise.
7598 (get_inner_reference): Change types of position and length.
7599 * unroll.c (unroll_loop): New variable R; use for some loops.
7600 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7601 (calculate_giv_inc): Arg REGNO now unsigned.
7602 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7603 * varasm.c (assemble_variable): Clean up handling of size using
7604 host_integerp and tree_low_cst.
7605 (decode_addr_const): Use byte, not bit, position.
7606 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7607 use tree_low_cst and int_bit_position.
7608 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7610 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7612 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7613 (reorder_block_def): New members eff_head and eff_end.
7614 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7615 (verify_insn_chain): New function.
7616 (skip_insns_between_block): Add code to skip deleted insns.
7617 Check for note before using.
7618 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7619 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7620 Check for note before using.
7621 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7622 (fixup_reorder_chain): Restructure, clean up, defect removal.
7623 (reorder_basic_blocks): Remove last_insn and references to it.
7624 Moved insn chain verification code into a new function (see above).
7625 Delete defective code that sets last insn.
7626 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7629 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7631 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7633 2000-03-24 Richard Henderson <rth@cygnus.com>
7635 * tree.c (lang_safe_for_unsave): Remove.
7636 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7637 allowing for two levels of unsafeness. Remove lang hook.
7638 * tree.h: Update declarations.
7639 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7640 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7641 Always fail sibcalls when there are pending cleanups.
7643 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7645 * flow.c (propagate_block): When we delete an ADDR_VEC,
7646 also delete the BARRIER following it if there is one.
7648 2000-03-24 Richard Henderson <rth@cygnus.com>
7650 * builtins.c (expand_builtin_bzero): Convert `length' argument
7653 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7655 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7656 comparison if regno's are equal.
7657 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7658 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7659 (expand_call): Update caller.
7660 Avoid making a sibling call if argument size of the callee is larger
7661 than argument size of the caller.
7662 Call hard_function_value with outgoing set if in sibcall pass.
7663 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7665 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7666 Change LEAF_REGISTERS from an array initializer to actual array
7667 identifier. Move static global variable into the function.
7668 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7669 sequences for leaf functions.
7670 * global.c (global_alloc): Likewise.
7671 * tm.texi (LEAF_REGISTERS): Update documentation.
7673 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7674 TARGET_FLAT leaf disabling hack.
7675 (LEAF_REGISTERS): Changed from an array initializer to actual array
7676 identifier to avoid duplication and remove the above hack.
7677 (FUNCTION_OK_FOR_SIBCALL): Define.
7678 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7679 always like call attribute.
7680 (eligible_for_sibcall_delay): New attribute.
7681 (sibcall): New delay type.
7682 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7683 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7684 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7685 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7686 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7688 (output_function_epilogue): Move part of the code into
7689 output_restore_regs.
7690 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7692 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7695 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7696 until infrastructure is finished.
7698 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7700 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7701 (save_parm_insns): Not here.
7703 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7705 * builtins.c (expand_builtin_bzero): New function.
7706 (expand_builtin): Handle bzero.
7708 * builtins.def: Add BUILT_IN_BZERO.
7710 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7711 prototype & function for bzero.
7713 2000-03-23 Michael Meissner <meissner@redhat.com>
7715 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7716 change adding TARGET_FP to the TF floating point insns, except for
7717 trunctfsf2, which generates direct calls to truncdfsf2.
7719 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7721 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7722 try to protect against middle-end changes that break binary
7724 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7726 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7728 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7730 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7732 * calls.c (expand_call): If TARGET is passed by reference and
7733 is readonly, write a CLOBBER.
7735 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7737 * builtins.c (expand_builtin): Handle bcmp.
7739 * builtins.def: Add BUILT_IN_BCMP.
7741 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7742 prototype & function for bcmp.
7744 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7746 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7747 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7748 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7750 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7752 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7753 alternative when using -fp64 -gp32.
7755 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7757 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7758 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7759 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7761 * frame.h (frame_state): Revert last change.
7762 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7763 * libgcc2.c (throw_helper): Revert last change.
7765 2000-03-22 Richard Henderson <rth@cygnus.com>
7767 * stmt.c (expand_asm_operands): Don't promote the temporary.
7769 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7771 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7772 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7773 c_get_alias_set): Likewise.
7774 * c-decl.c (duplicate_decls): Likewise.
7775 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7776 * calls.c (initialize_argument_information): Likewise.
7777 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7779 * dwarfout.c (decl_class_context,output_type): Likewise.
7780 * expr.c (get_inner_reference): Likewise.
7781 * fold-const.c (simple_operand_p,fold): Likewise.
7782 * function.c (aggregate_value_p): Likewise.
7783 * stmt.c (expand_asm_operands): Likewise.
7784 * varasm.c (named_section): Likewise.
7786 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7788 Implement dwarf2 exception handling for the ARM.
7789 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7790 (DWARF_FRAME_RETURN_COLUMN): Define.
7791 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7792 REG_FRAME_RELATED_EXPR note.
7793 (emit_sfm): Likewise.
7794 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7795 * dwarf2out.c (reg_save): Handle saving a register to itself.
7796 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7797 * except.c (eh_regs): Don't use the static chain reg if it's
7799 * frame.h (frame_state): Add cfa_saved field.
7800 * frame.c (execute_cfa_insn): Set it.
7801 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7803 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7805 (instantiate_virtual_regs): Adjust.
7807 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7808 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7809 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7811 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7812 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7814 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7816 * builtins.def: New file.
7818 * Makefile.in (TREE_H): Depend on builtins.def.
7820 * builtins.c (built_in_names): Use builtins.def.
7822 * tree.h (built_in_function): Likewise.
7824 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7826 * tree.c (size_in_bytes): Return size_zero_node, not
7829 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7831 * config/fp-bit.c (pack_d): Correct the case when a denormal
7832 is rounded up and stops being denormal.
7834 2000-03-21 Richard Henderson <rth@cygnus.com>
7836 * config/alpha/alpha.c (function_arg): Check for void_type_node
7837 before using MUST_PASS_IN_STACK.
7839 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
7841 * regmove.c (combine_stack_adjustments_for_block): Check that
7842 the stack pointer is a valid memory address.
7844 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
7846 * calls.c: re-install Mar 16 emit_library_call merge.
7848 2000-03-21 Jakub Jelinek <jakub@redhat.com>
7850 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
7851 we cannot be sure that if reload_completed base register will
7852 be properly aligned.
7854 2000-03-21 Richard Henderson <rth@cygnus.com>
7856 * flow.c (delete_block): Fix typo last change.
7858 2000-03-21 Mark Mitchell <mark@codesourcery.com>
7860 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
7861 not COMPLETE_TYPE_P, to check the type of the expression.
7863 2000-03-21 Michael Meissner <meissner@redhat.com>
7865 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
7866 all floating point insns that just tested the macro
7867 TARGET_HAS_XFLOATING_LIBS.
7868 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
7869 used to only use the gprs.
7871 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
7873 * tree.h (COMPLETE_TYPE_P): New macro.
7874 (COMPLETE_OR_VOID_TYPE_P): New macro.
7875 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
7876 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
7877 * c-aux-info.c (gen_type): Use them.
7878 * c-common.c (c_expand_expr_stmt): Likewise.
7879 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
7880 grokdeclarator, grokparms, finish_struct, start_function,
7881 store_parm_decls, combine_parm_decls): Likewise.
7882 * c-parse.y (cast_expr): Likewise.
7883 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
7884 c_size_in_bytes, c_alignof, build_component_ref,
7885 build_indirect_ref, build_array_ref, convert_arguments,
7886 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
7887 * calls.c (initialize_argument_information): Likewise.
7888 * convert.c (convert_to_integer): Likewise.
7889 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
7890 * dwarfout.c (location_or_const_value_attribute,
7891 output_enumeration_type_die, output_structure_type_die,
7892 output_union_type_die, output_type): Likewise.
7893 * expr.c (safe_from_p, expand_expr): Likewise.
7894 * function.c (assign_parms): Likewise.
7895 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
7896 * tree.c (build_array_type, build_function_type,
7897 build_method_type, build_offset_type, build_complex_type): Likewise.
7898 * c-parse.c, c-parse.h: Regenerated.
7900 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7902 * config/c4x/rtems.h: Include config/rtems.h.
7904 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
7906 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
7907 decl is a FUNCTION_DECL
7909 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
7911 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
7912 function uses output registers. Don't save RP for leaf functions.
7913 Do save RP even if no epilogue.
7914 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
7915 (CALL_USED_REGISTERS): Unmark in registers.
7916 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
7919 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7921 * config/rs6000/rs6000.md (bunordered): New expander.
7922 (bordered): New expander.
7923 (buneq): New expander.
7924 (bunge): New expander.
7925 (bungt): New expander.
7926 (bunle): New expander.
7927 (bunlt): New expander.
7928 (bltgt): New expander.
7930 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
7931 (ccr_bit_negated_p): New function.
7932 (print_operand): For %C, generate appropriate cror for UNEQ,
7933 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
7935 2000-03-20 Andreas Jaeger <aj@suse.de>
7937 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
7940 * tree.h (safe_for_unsave): Prototype.
7942 2000-03-20 Richard Henderson <rth@cygnus.com>
7944 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
7945 (combine_stack_adjustments_for_block): Don't allow sp references
7946 in the side of a set we're not fixing up.
7947 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
7948 after life_analysis.
7950 2000-03-20 Richard Henderson <rth@cygnus.com>
7952 * calls.c (expand_call): Don't bother generating tail call
7953 sequences if there are pending cleanups. Use
7954 expand_start_target_temps/expand_end_target_temps to elide
7955 cleanups created during sibcall expansion.
7957 2000-03-20 Geoff Keating <geoffk@cygnus.com>
7959 * configure.in: Set $IFS to a value if it doesn't already have one
7960 in the --enable-checking handling.
7961 * configure: Regenerate.
7963 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7965 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
7966 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
7969 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
7971 * jump.c (delete_noop_moves): Remove code attempting to
7972 combine stack adjustments.
7974 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7976 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
7977 * except.c (emit_cleanup_handler): Use them.
7978 (expand_end_all_catch): Likewise.
7979 * function.c (fixup_var_refs): Likewise.
7980 (expand_function_end): Clear catch_clauses_last.
7981 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
7982 * except.h (struct eh_status): New field x_catch_clauses_last.
7983 (catch_clauses_last): New define.
7985 * Makefile.in (tree.o): Depend on HASHTAB_H.
7986 * tree.c: Include hashtab.h.
7987 (struct type_hash): Remove next field.
7988 (TYPE_HASH_SIZE): Remove.
7989 (TYPE_HASH_INITIAL_SIZE): New define.
7990 (type_hash_table): Change type to htab_t.
7991 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
7992 mark_hash_entry): New functions.
7993 (init_obstacks): Allocate type hash.
7994 (type_hash_lookup): Use htab functions.
7995 (type_hash_add, mark_type_hash): Likewise.
7996 (dump_tree_statistics): Call print_type_hash_statistics.
7998 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8000 * rs6000/t-aix41: New file.
8002 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8004 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8006 * tm.texi (Driver): Fix typos and tweak entry for
8008 Move misplaced STRUCT_FORCE_BLK entry ...
8009 (Storage Layout): ... to here.
8010 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8012 2000-03-19 Richard Henderson <rth@cygnus.com>
8014 * flow.c (delete_block): Delete the addr_vec along with the block.
8015 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8018 * fold-const.c (extract_muldiv): Apply type check for defined
8019 overflow to multiply as well as divide.
8021 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8023 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8025 * emit-rtl.c (remove_unncessary_notes): Check that all
8026 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8027 associated NOTE_BLOCK.
8028 * function.h (identify_blocks): Update comments.
8029 (reorder_blocks): Declare.
8030 * function.c (identify_blocks): Don't take paramters.
8031 (reorder_blocks): Don't take parameters.
8032 * loop.h (find_loop_tree_blocks): Remove.
8033 (unroll_block_trees): Likewise.
8034 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8035 reorder_blocks instead of unroll_block_trees.h
8036 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8037 * stmt.c (find_loop_tree_blocks): Remove.
8038 (unroll_block_trees): Likewise.
8039 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8040 in whole-function mode.
8041 * tree.h (reorder_blocks): Remove declaration.
8043 * expr.c: Include intl.h.
8044 * Makefile.in (expr.o): Depend on intl.h.
8046 2000-03-18 Richard Henderson <rth@cygnus.com>
8048 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8050 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8052 * tree.h (tree_index): Remove enumerals for integer types.
8053 (integer_type_kind): New type.
8054 (integer_types): New variable.
8055 (char_type_node): Adjust.
8056 (signed_char_type_node): Likewise.
8057 (unsigned_char_type_node): Likewise.
8058 (short_integer_type_node): Likewise.
8059 (short_unsigned_type_node): Likewise.
8060 (integer_type_node): Likewise.
8061 (unsigned_type_node): Likewise.
8062 (long_integer_type_node): Likewise.
8063 (long_unsigned_type_node): Likewise.
8064 (long_long_integer_type_node): Likewise.
8065 (long_long_unsigned_type_node): Likewise.
8066 * tree.c (integer_types): New variable.
8067 (init_obstacks): Register it as a root.
8069 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8071 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8072 NEXT_INSN. Update last insn in chain.
8074 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8076 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8077 with TYPE_DECL_SUPPRESS_DEBUG set.
8079 2000-03-18 Richard Henderson <rth@cygnus.com>
8081 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8083 2000-03-18 Richard Henderson <rth@cygnus.com>
8085 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8086 care for HALF_PIC_P.
8087 (expander_call_insn_operand): Remove.
8088 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8089 * i386.h (PREDICATE_CODES): Update.
8090 * i386.md (all call expanders): Remove predicates, remove special
8091 handling for half-pic.
8092 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8093 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8094 (sibcall_epilogue): New.
8096 2000-03-17 Richard Henderson <rth@cygnus.com>
8098 * rtlanal.c (single_set): Reject if the parallel has anything
8099 except SET or USE or CLOBBER.
8101 2000-03-17 Jeff Law <law@cygnus.com>
8102 Richard Henderson <rth@cygnus.com>
8104 * Makefile.in (OBJS): Add sibcall.o.
8106 * sibcall.c: New file.
8107 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8108 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8109 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8110 Emit sibcall patterns when requested. Update all callers.
8111 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8112 elimination seems feasable.
8113 * final.c (leaf_function_p): Sibling calls don't discount being
8115 * flow.c (HAVE_sibcall_epilogue): Provide default.
8116 (find_basic_blocks_1): Sibling calls don't throw.
8117 (make_edges): Make edge from sibling call to EXIT.
8118 (propagate_block): Don't remove sibcall_epilogue insns.
8119 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8120 (sibcall_epilogue): New.
8121 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8122 (identify_blocks_1): Likewise. Break out from ...
8123 (identify_blocks): ... here.
8124 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8125 (reorder_blocks): ... here.
8126 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8127 (record_insns): Extend a varray instead of mallocing new memory.
8128 (contains): Read a varray not array of ints.
8129 (sibcall_epilogue_contains): New.
8130 (thread_prologue_and_epilogue_insns): Emit and record
8131 sibcall_epilogue patterns.
8132 (init_function_once): Allocate prologue/epilogue varrays.
8133 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8134 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8136 (save_for_inline_nocopy): ... here.
8137 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8139 (expand_inline_function): ... here.
8140 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8141 (subst_constants): Handle 'n' formats.
8142 * jump.c (jump_optimize_minimal): New.
8143 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8144 optimizations if it's set.
8145 * rtl.c (copy_rtx): Do copy jump & call for insns.
8146 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8147 (SIBLING_CALL_P): New.
8148 (sibcall_use_t): New.
8149 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8150 Invoke optimize_sibling_and_tail_recursive_calls.
8151 * tree.c (lang_safe_for_unsave): New.
8152 (safe_for_unsave): New.
8153 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8155 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8156 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8157 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8159 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8161 * objc/objc-act.c (encode_method_prototype): Pass types, not
8162 PARM_DECLs, to int_size_in_bytes.
8164 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8166 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8168 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8169 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8171 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8173 * Clean up usages of TREE_INT_CST_LOW.
8174 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8175 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8177 * c-tree.h (min_precision): Move declaration to here.
8178 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8179 (build_unary_op, add_pending_init): Use bit_position.
8180 (pending_init_member, process_init_element): Likewise.
8181 (really_start_incremental_init, push_init_level, pop_init_level):
8182 Don't make copies of nodes or modify them in place, use consistent
8183 types when tracking positions, and use tree routines computations.
8184 (set_init_index, output_init_element): Likewise.
8185 (output_pending_init_elements, process_init_element): Likewise.
8186 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8187 tree_low_cst and int_bit_position; also minor cleanup.
8188 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8189 (print_cst_octal): Precision is unsigned.
8190 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8191 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8192 (simple_type_align_in_bits): Result is unsigned int.
8193 Use tree_int_low_cst and host_integerp.
8194 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8195 (field_byte_offset): Result is HOST_WIDE_INT.
8196 Change types of internal variables so alignments are unsigned int,
8197 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8198 Use host_integerp, tree_low_cst, and int_bit_position.
8199 (add_bit_offset_attribute): Likewise.
8200 (add_data_member_location_attribute): Use tree_cst_low.
8201 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8202 (add_bit_size_attribute): Use tree_low_cst.
8203 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8204 * dwarfout.c: Similar changes to dwarf2out.c.
8205 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8206 * genoutput.c (n_occurences): Return -1 for null string.
8207 (strip_whitespace): Accept null string and make into function.
8208 (scan_operands): Reflect above changes.
8209 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8210 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8211 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8212 * tree.c (int_size_in_bytes): Check for too big to represent.
8213 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8214 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8216 (min_precision): Delete from here.
8217 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8218 and int_bit_position.
8219 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8220 (encode_method_def): Likewise.
8221 (build_ivar_list_initializer): Use int_bit_position.
8222 (generate_shared_structures): Convert size.
8223 (encode_type, encode_complete_bitfield): Use integer_zerop.
8224 (encode_bitfield): Use tree_low_cst and int_bit_position.
8226 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8228 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8230 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8232 * call.c (special_function_p): It is only malloc if it returns
8235 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8237 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8238 (C33_FLAG, TARGET_C3X): Add macros.
8239 (TARGET_SWITCHES): Add -m33 option.
8240 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8242 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8244 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8245 (PARALLEL_PACK_FLAG): Delete.
8246 (TARGET_SWITCHES): Update.
8247 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8249 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8251 * fold-const.c (fold): Fix a few cases when the returned result
8252 is not of the same type as the input.
8254 2000-03-16 Nick Clifton <nickc@cygnus.com>
8256 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8259 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8261 * libgcc2.h: Move prototypes above macros with the same name.
8262 Wrap some function prototypes in the conditional which indicates
8263 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8265 2000-03-16 Richard Henderson <rth@cygnus.com>
8267 * calls.c: Revert last two changes.
8269 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8271 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8272 has exponent 0 is a zero.
8274 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8275 HASH may already be nonzero. Add code/mode into hash value
8276 immediately after repeat label.
8277 (cselib_lookup): Don't leave the hash table in an inconsistent
8278 state before a hash lookup operation.
8280 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8282 * i386.md (all HI and QI mode non-move patterns): Conditionize
8283 by TARGET_[HQ]IMODE_MATH.
8284 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8285 x86_promote_qi_regs): Declare.
8286 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8287 TARGET_PROMOTE_QI_REGS): New macros.
8288 (PROMOTE_MODE): New macro.
8289 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8290 x86_promote_qi_regs): New global variables.
8292 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8294 * calls.c (emit_library_call_value_1): Break out from ...; handle
8295 VOIDmode function calls too.
8296 (emit_library_call_value): ... here.
8297 (emit_library_call): Implement by calling emit_library_call_value_1.
8299 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8301 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8302 Update arg_space_so_far on stack adjustments.
8303 (emit_library_call, emit_library_call_value): Likewise; take into
8304 account arg_space_so_far and pending_stack_adjust when calculcating
8307 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8309 * flow.c: Move all basic block reordering code into its own file.
8310 (create_basic_block): Externalize.
8311 * bb-reorder.c: New file. Copy all basic block reordering code from
8312 flow.c to this file.
8313 (reorder_basic_blocks): Fix fencepost error in for-loop.
8314 (reorder_basic_blocks): Remove braces from single statement for-loops.
8315 * basic-block.h: Add declaration for create_basic_block.
8316 * Makefile.in: Add rules for bb-reorder.o.
8318 2000-03-16 Neil Booth <NeilB@earthling.net>
8320 * cppinit.c (handle_option): Implement #unassert directive
8321 as -A- command line option.
8322 (print_help): Update.
8323 * cpptexi.c: Update.
8325 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8327 * md.texi (Standard Names): Document `jump'.
8329 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8331 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8334 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8336 Merge changes from newppc-branch onto trunk.
8338 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8340 * rs6000.c (toc_hash_table): Update for new hash table functions.
8341 (toc_hash_function): Likewise.
8342 (toc_hash_eq): Likewise.
8343 (toc_hash_mark_entry): Likewise.
8344 (toc_hash_mark_table): Likewise.
8345 (output_toc): Likewise.
8346 (rs6000_add_gc_roots): Likewise.
8348 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8350 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8351 (AR_FLAGS_FOR_TARGET): here. New macro.
8353 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8355 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8356 fpmem_operand) Delete.
8358 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8359 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8360 (rs6000_save_machine_status, rs6000_restore_machine_status,
8361 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8362 references to above variables.
8363 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8364 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8365 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8366 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8367 (XER_REGNO_P, XER_REGNO): New.
8368 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8369 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8370 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8372 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8373 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8374 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8376 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8378 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8379 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8380 * rs6000.h: from here.
8382 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8383 (rs6000_select_rtx_section): Likewise.
8384 (rs6000_encode_section_info): Likewise.
8385 (sdata_section): Likewise.
8386 (sdata2_section): Likewise.
8387 (sbss_section): Likewise.
8388 * sysv4.h (rs6000_select_section): Delete prototype.
8389 (rs6000_select_rtx_section): Likewise.
8390 (rs6000_encode_section_info): Likewise.
8391 (sdata_section): Likewise.
8392 (sdata2_section): Likewise.
8393 (sbss_section): Likewise.
8394 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8396 * sysv4.h: Delete various unnecessary #undef's and put a comment
8397 on the remaining ones.
8398 Change various comments according to coding standard.
8400 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8402 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8403 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8404 (CR0_REGNO_P) Remove.
8405 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8406 setup_incoming_varargs, mtcrf_operation, print_operand,
8407 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8408 Use the above macros.
8410 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8412 * config/rs6000/rs6000.md: Added a new alternative for each
8413 pattern that had a 'x' alternative but no 'y' alternative.
8414 Added a new split for each of the above patterns.
8416 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8418 * aix41.h (ASM_CPU_SPEC): Delete.
8419 (CPP_CPU_SPEC): Delete.
8421 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8422 (ASM_OUTPUT_LABEL): Define.
8423 (ASM_GLOBALIZE_LABEL): Define.
8424 (STRIP_NAME_ENCODING): Define.
8425 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8426 (STRIP_NAME_ENCODING): Don't define.
8427 (ASM_OUTPUT_LABEL): Don't define.
8428 (ASM_GLOBALIZE_LABEL): Don't define.
8429 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8430 names, and ASM_OUTPUT_LABEL to output labels, rather than
8432 (ASM_OUTPUT_LABEL): Define.
8433 (ASM_OUTPUT_INT): Use assemble_name.
8434 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8435 (STRIP_NAME_ENCODING): Don't undefine first.
8436 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8438 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8439 specified with 'asm' even with -fleading-underscore.
8440 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8441 (output_epilog): Likewise.
8442 (output_toc): Likewise.
8443 * tramp.asm: Handle -fleading-underscore correctly.
8445 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8447 (nonlocal_goto_receiver): Delete.
8448 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8450 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8451 (SET_ASM_OP): Define.
8452 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8454 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8457 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8458 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8460 * rs6000.h: Add 'u' to more constants.
8462 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8464 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8466 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8468 * rs6000.c (reg_or_u_cint_operand): New function.
8469 (logical_operand): Handle 64-bit hosts.
8470 (logical_u_operand): New function.
8471 (non_logical_cint_operand): Handle 64-bit hosts.
8472 (non_logical_u_cint_operand): New function.
8473 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8474 (PREDICATE_CODES): Define new functions.
8475 * rs6000-protos.h: Declare new functions.
8476 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8477 (movdi_64): Bracket code intended for 64-bit hosts. Create
8478 CONST_DOUBLE for 32-bit values.
8479 (scc insns): Generate DImode compares.
8480 (mfcr insns): Create DImode versions.
8481 (sge matchers): New patterns.
8483 2000-02-15 Gabriel Paubert <paubert@iram.es>
8485 * rs6000.md: Correct instructions length attributes and
8486 constraints on unsigned compare instructions.
8487 (*ne0): Disable for PowerPC64.
8489 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8491 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8492 quantity, fix profile1.C test failure under -fPIC.
8494 * rs6000.c: Add 'u' to many constants to suppress warnings.
8495 (constant_pool_expr_1): Make static.
8496 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8497 * rs6000.h: Add 'u' to many constants to suppress warnings.
8499 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8500 for the start of the TOC, instead of LCTOC..0.
8501 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8503 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8504 (load_toc_aix_di): Use LCTOC..1.
8506 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8507 * rs6000.c (rs6000_legitimize_address): New function from
8508 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8509 symbols in the constant pool that really are TOC references.
8510 (print_operand_address): For ELF, write TOC offsets under
8511 -fPIC as subtractions in the insn.
8512 (output_toc): For ELF, define symbols in TOC as normal labels,
8514 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8515 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8516 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8517 * rs6000.md (movsi): Only use create_TOC_reference on
8518 symbols in the constant pool that really are TOC references.
8520 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8521 * rs6000.c (rs6000_reorg): Delete.
8522 * rs6000-protos.h (rs6000_reorg): Delete.
8524 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8526 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8528 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8529 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8530 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8531 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8532 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8533 rs6000_aix_emit_builtin_unwind_init.
8534 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8535 rs6000_emit_eh_toc_restore on AIX.
8536 (return_eh_si): Use r2.
8537 (return_eh_di): Use r2.
8539 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8540 since we're breaking binary compatibility anyway.
8542 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8544 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8545 constant_pool_expr_p): Declare them.
8546 (constant_pool_expr_p): Declare it.
8547 * config/rs6000/rs6000.c (toc_label_name): Define.
8548 (rs6000_override_options): Set toc_label_name.
8549 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8550 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8551 uses_TOC): New functions.
8552 (print_operand): Delete old '*' case.
8553 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8554 and strip off rtl for TOC before calling output_addr_const.
8555 (rs6000_emit_load_toc_table): Use toc_label_name.
8556 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8558 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8559 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8560 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8561 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8562 into explicit TOC_REGISTER offsets.
8563 (TOC_REGISTER): New macro.
8564 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8565 TARGET_TOC to reference TOC_REGISTER.
8566 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8567 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8568 uses_TOC before emitting label references.
8570 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8572 * rs6000.md (stack_tie): Fix warning.
8574 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8575 to handle -fleading-underscore.
8576 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8577 (USER_LABEL_PREFIX): New macro.
8578 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8579 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8580 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8581 call-linux can use the same multilibs.
8582 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8583 and call-linux multilibs. Do multilib with -fleading-underscore.
8584 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8585 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8588 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8589 have MASK_SOFT_FLOAT set.
8590 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8591 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8592 CPP_FLOAT_DEFAULT_SPEC.
8594 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8595 * rs6000.md: Whitespace change.
8596 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8597 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8599 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8601 * rs6000.md (eh_epilogue): New expander.
8602 (eh_reg_restore): New expand/split/insn combination.
8603 (return_eh_si): New insn.
8604 (return_eh_di): New insn.
8606 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8607 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8608 * eabi-ctors.c (__do_global_ctors): Register this object's
8609 frame. Clean up. Call atexit() after the constructors.
8610 (__do_global_dtors): Deregister this object's frame. Clean up.
8611 Allow for recursive calls to exit().
8612 * rs6000.c (fixuplabelno): New variable.
8613 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8614 TARGET_RELOCATABLE, it slows down exec() under linux.
8615 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8617 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8618 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8619 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8620 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8621 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8622 (ASM_OUTPUT_DWARF_ADDR): New macro.
8623 (ASM_OUTPUT_DWARF_DATA4): New macro.
8624 (ASM_OUTPUT_DWARF_DATA2): New macro.
8625 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8626 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8627 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8629 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8631 * rs6000.c (rs6000_sr_alias_set): New variable.
8632 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8633 (rs6000_emit_stack_tie): New function.
8634 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8635 in a way that dwarf2out can understand.
8636 (rs6000_frame_related): New function.
8637 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8638 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8639 Use rs6000_emit_stack_tie when needed.
8640 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8641 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8642 * rs6000.md (stack_tie): New insn.
8643 (return_internal_si): Allow return value to be in the count
8645 (return_internal_di): Likewise.
8647 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8649 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8651 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8653 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8655 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8657 * rs6000.md (stmw): Use the right POWER opcode.
8660 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8662 * rs6000-protos.h: New file.
8664 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8666 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8669 * sysv4.h: Likewise.
8671 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8673 * ../../configure.in: Delete powerpcle-*-winnt*
8674 and powerpcle-*-pe|powerpcle-*-cygwin*.
8675 * ../../configure: Regenerated.
8677 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8678 (TARGET_WINDOWS_NT): Delete.
8680 (CALL_NT_DLLIMPORT): Delete.
8681 Delete NT-specific code.
8682 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8685 * nt-ci.asm: Delete.
8686 * nt-cn.asm: Delete.
8687 * ntstack.asm: Delete.
8689 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8691 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8692 (ASM_FILE_START): Likewise.
8693 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8694 (ASM_OUTPUT_LABELREF): Likewise.
8695 (ASM_OUTPUT_SKIP): Likewise.
8696 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8697 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8698 (ASM_OUTPUT_CASE_LABEL): Likewise.
8699 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8700 (ASM_OUTPUT_ASCII): Likewise.
8702 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8704 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8705 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8706 increment rs6000_pic_labelno here.
8707 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8708 and increment rs6000_pic_labelno here.
8710 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8712 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8713 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8714 allocation knows (reg) is dead before the insn.
8716 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8718 * rs6000.md (movsi_to_cr): Correct typo in output template.
8720 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8722 * rs6000.c (rs6000_pic_labelno): Always define.
8723 (rs6000_pic_func_labelno): Delete.
8724 (lmw_operation): Check for a zero base register,
8725 which doesn't mean what we want.
8726 (stmw_operation): New function.
8727 (print_operand): Define new 'l' modifier.
8728 (rs6000_stack_info): We must save all 64 bits of the registers
8729 if TARGET_POWERPC64.
8730 (rs6000_output_load_toc_table): Delete.
8731 (rs6000_emit_load_toc_table): New function.
8732 (rs6000_allocate_stack_space): Delete.
8733 (rs6000_emit_allocate_stack): New function.
8734 (rs6000_emit_prologue): New function.
8735 (output_prolog): Use rs6000_emit_prologue.
8736 (rs6000_emit_epilogue): Change a few variable names to be
8737 more accurate. Restore all 64 bits of the registers if
8738 TARGET_POWERPC64. Only restore the FP registers which were used
8739 if they are being saved/restored one-at-a-time.
8740 (output_mi_thunk): Delete inefficient code generation.
8741 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8742 * rs6000.h: Declare rs6000_emit_load_toc_table,
8743 rs6000_allocate_stack_space, stmw_operation. Don't declare
8744 rs6000_output_load_toc_table.
8745 * rs6000.md (elf_high): Allow register 0, but discourage it
8747 (elf_low): Support loading into register 0.
8748 (load_toc_aix_si): New pattern.
8749 (load_toc_aix_di): New pattern.
8750 (load_toc_v4_pic_si): New pattern.
8751 (load_toc_v4_pic_di): New pattern.
8752 (load_toc_v4_PIC_1): New pattern.
8753 (load_toc_v4_PIC_1b): New pattern.
8754 (load_toc_v4_PIC_2): New pattern.
8755 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8756 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8757 (prologue): New expander.
8758 (movesi_from_cr): New pattern.
8759 (stmw): New pattern.
8760 (save_fpregs_si): New pattern.
8761 (save_fpregs_di): New pattern.
8763 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8765 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8770 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8772 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8774 (movsi_got_internal): Likewise.
8775 (movsi_got_internal+1): Likewise.
8776 (set_sp): 'unspec 7' does a SImode clobber.
8778 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8780 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8781 allocate a stack temporary.
8782 (floatsidf2_internal): Likewise.
8783 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8785 (floatunssidf2): Don't use the fpmem "register", just
8786 allocate a stack temporary.
8787 (floatunssidf2_internal): Likewise.
8788 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8790 (floatsidf2_loadaddr): Delete.
8791 (floatsidf2_store1): Delete.
8792 (floatsidf2_store2): Delete.
8793 (floatsidf2_load): Delete.
8794 (fix_truncdfsi2): Don't use the fpmem "register", just
8795 allocate a stack temporary.
8796 (fix_truncdfsi2_internal_si): Delete.
8797 (fix_truncdfsi2_internal_di): Delete.
8798 (fix_truncdfsi2_internal): New insn.
8799 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8800 (fix_truncdfsi2_store): Delete.
8801 (fix_truncdfsi2_load): Delete.
8802 (fctiwz): Produce gen_fctiwz.
8804 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8806 * eabi.h (INVOKE__main): Define.
8807 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8809 (rs6000_emit_prologue): Likewise.
8810 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8811 this is the main program.
8813 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8815 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8817 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8819 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8820 goes after the argument.
8822 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8824 * rs6000.md: Document 'unspec' values used.
8825 (epilogue): New expander.
8826 (movesi_to_cr_one): New expander.
8827 (movesi_to_cr and following): New pattern.
8829 (return_internal_si): New pattern.
8830 (return_internal_di): New pattern.
8831 (return_and_restore_fpregs_si): New pattern.
8832 (return_and_restore_fpregs_di): New pattern.
8833 * rs6000.h: Declare new functions.
8834 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8835 rather than rs6000_calls_p.
8836 (rs6000_makes_calls): Delete.
8837 (lmw_operation): New function.
8838 (mtcrf_operation): New function.
8839 (rs6000_emit_epilogue): New function.
8840 (output_epilog): Call rs6000_emit_epilogue and final if
8841 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
8843 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8845 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
8846 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
8847 * aix.h (SUBTARGET_SWITCHES): Document switches.
8848 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
8849 sched-prolog and sched-epilog the same. Document all the
8851 (TARGET_OPTIONS): No longer allow -mdebug-.
8853 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8855 * rs6000.h (ASM_FILE_END): Move to aix.h.
8856 (EXTRA_SECTIONS): Move to aix.h.
8857 (READONLY_DATA_SECTION): Move to aix.h.
8858 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
8859 (SELECT_SECTION): Move to aix.h.
8860 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
8861 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
8862 (LINK_REGISTER_REGNUM): New definition.
8863 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
8864 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
8866 * sysv4.h: Delete the code between the inclusion of rs6000.h
8868 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
8869 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
8870 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
8871 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
8872 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
8873 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
8874 (fix_truncdfsi2_internal_di): New pattern.
8875 (fix_truncdfsi2_store): The second arg here is Pmode too.
8876 (fix_truncdfsi2_load): The second arg here is Pmode too.
8877 (tablejumpdi): Now that switch tables hold only SImode values,
8878 gcc needs to know how to add them to the pc which is DImode.
8879 * rs6000.c (rs6000_stack_info): Use symbolic name for
8880 LINK_REGISTER_REGNUM.
8881 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
8882 (output_toc): Delete unused variables s1 and s2.
8883 (output_ascii): Use fputs not fprintf on a variable string.
8885 2000-01-07 David Edelsohn <edelsohn@gnu.org>
8887 * rs6000.c (processor_target_table): Add power3 as alias for 630.
8888 * aix43.h: Revert Aug 2 change.
8889 (HAS_INIT_SECTION): Define, not visible yet.
8890 (LD_INIT_SWITCH): Define, not visible yet.
8891 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
8893 2000-01-04 Joel Sherrill (joel@OARcorp.com>
8895 * config/rs6000/rtems.h: Include config/rtems.h.
8897 2000-01-04 David Edelsohn <edelsohn@gnu.org>
8899 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
8900 (SLOW_UNALIGNED_ACCESS): Define.
8901 (CASE_VECTOR_MODE): Always use 32-bit offsets.
8902 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
8903 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
8904 (toc_section): Likewise and .toc pseudo-op.
8905 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
8907 (TEXT_SECTION_ASM_OP): Likewise.
8908 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
8911 1999-12-17 Jakub Jelinek <jakub@redhat.com>
8913 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
8914 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
8917 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8919 * rs6000.h: Move more stuff from here...
8921 * sysv4.h: Cleanup accordingly.
8922 * netware.h: Likewise
8924 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8926 * rs6000.h: Continue cleanup.
8929 * netware.h: Likewise.
8931 * sysv4.h: Likewise.
8932 * win-nt.h: Likewise.
8934 * rs6000.h (TARGET_SWITCHES): Add descriptions.
8935 (TARGET_OPTIONS): Likewise.
8937 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
8938 (SUBTARGET_OPTIONS): Likewise.
8940 * rs6000.md: Fix compile time warnings.
8942 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8944 vxworks patches from the Cygnus tree originally by
8945 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
8946 <vmakarov@cygnus.com>.
8947 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
8948 (ENDFILE_SPEC): Likewise.
8949 (LIB_VXWORKS_SPEC): New macro.
8950 (STARTFILE_VXWORKS_SPEC): New macro.
8951 (ENDFILE_VXWORKS_SPEC): New macro.
8952 (LINK_START_VXWORKS_SPEC): New macro.
8953 (LINK_OS_VXWORKS_SPEC): New macro.
8954 (CPP_OS_VXWORKS_SPEC): New macro.
8955 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
8956 * vxppc.h: Rewrite to use proper configuration method.
8957 * vxppcle.h: New file.
8958 * ../../configure.in: Add powerpcle-wrs-vxworks*.
8959 * ../../configure: Rebuilt.
8961 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8963 Lots of changes to rs6000.h, sysv4.h, aix.h,
8964 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
8965 with the aim that rs6000.h is the first header
8966 included and the others override it.
8969 * x-aix41-gld: Remove.
8971 * x-aix41: Remove target-specific switches, and don't specify
8972 -Wl,-bbigtoc as we don't need it any more.
8973 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
8974 Use t-aix43 for AIX 4.3 and above.
8975 * ../../configure: Regenerated.
8977 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
8978 options, that don't do anything yet.
8979 (MASK_SCHED_PROLOG): New macro.
8980 (MASK_SCHED_EPILOG): New macro.
8981 (TARGET_SCHED_PROLOG): New macro.
8982 (TARGET_SCHED_EPILOG): New macro.
8984 2000-01-04 Geoff Keating <geoffk@cygnus.com>
8986 * rs6000.c: Correct comment, the `minimal' TOCs are actually
8987 one per translation unit, not one per function.
8988 (output_toc): Also do duplicate constant elimination
8989 for per-translation-unit TOCs.
8991 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
8992 a comment explaining _exactly_ when this pattern gets used.
8993 (builtin_setjmp_receiver): New pattern for better clarity.
8994 (init_v4_pic): Move it into a section dealing with TOC registers.
8996 1999-12-30 Geoff Keating <geoffk@cygnus.com>
8998 * rs6000.c (toc_hash_table): New variable.
8999 (rs6000_hash_constant): New function.
9000 (toc_hash_function): New function.
9001 (toc_hash_eq): New function.
9002 (toc_hash_mark_entry): New function.
9003 (toc_hash_mark_table): New function.
9004 (output_toc): Don't output duplicate TOC entries in
9006 (rs6000_add_gc_roots): Add the hash table as a GC root.
9007 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9008 where they clearly shouldn't be. This may need to be fixed
9009 later when there is a GNU ar for AIX.
9010 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9011 Don't define BOOT_LDFLAGS as it is now not necessary.
9013 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9015 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9016 for va_list on AIX. Use unsigned_char_type_node rather than
9017 constructing our own version on svr4.
9019 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9021 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9022 since patently it's not.
9024 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9026 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9027 define_expand/define_insn pair, and handle restore of the
9028 SVR4 -fpic register.
9030 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9032 * acconfig.h (HAVE_GAS_WEAK): New define.
9033 * configure.in (assembler weak support): Check for .weak support.
9034 * config.in, configure: Rebuilt.
9035 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9036 HAVE_GAS_WEAK is defined.
9038 2000-03-15 Nick Clifton <nickc@cygnus.com>
9040 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9043 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9045 * cppfiles.c (open_include_file): New function.
9046 (find_include_file, cpp_read_file): Use it.
9048 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9050 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9052 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9054 * flow.c (verify_flow_info): Check for unconditional return.
9056 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9058 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9059 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9060 (__ia64_restore_stack_nonlocal): New.
9061 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9063 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9065 * cpphash.c (collect_formal_parameters): Do not complain about
9066 parameter names that just start with `__VA_ARGS__'.
9068 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9070 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9071 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9072 * i386.c (pentiumpro_cost): Set mul cost to 4.
9073 (x86_use_movx): Set for PPro.
9075 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9077 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9078 STACK_BOUNDARY for empty frames now.
9080 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9082 * stor-layout.c (layout_union): Remove.
9083 (layout_union_field): New function, split out from layout_union.
9084 (finish_union_layout): Likewise.
9085 (layout_field): Handle unions by calling layout_union_field.
9086 (finish_record_layout): Handle unions.
9087 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9088 QUAL_UNION_TYPE handling.
9090 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9092 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9093 end of basic block is jump_insn, not barrier; use create_basic_block
9094 instead of creating basic block by hand.
9096 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9098 * flow.c (reorder_basic_blocks): Account for barriers when writing
9099 over NEXT_INSN (last_bb->end).
9100 (verify_flow_info): Add check for missing barriers.
9102 2000-03-14 Greg McGary <gkm@gnu.org>
9104 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9105 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9106 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9107 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9108 __unbounded, __unbounded__): New keywords.
9109 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9110 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9111 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9113 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9115 * cselib.h: New file.
9116 * alias.c: Include "cselib.h".
9117 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9118 MEMs as two new arguments.
9119 (get_addr): New static function.
9120 (find_base_term): Handle VALUEs.
9121 (memrefs_conflict_p): Likewise.
9122 (true_dependence): Call get_addr on the addresses.
9123 Call fixed_scalar_and_varying_struct_p with addresses that have been
9124 passed through get_addr and canon_rtx.
9125 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9126 with true_dependence.
9127 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9128 * loop.c: Include "cselib.h".
9129 (load_mems): Process extended basic block that enters the loop with
9130 cselib. Use that information to change initialization of the shadow
9131 register so that a constant equivalence is seen by later passes.
9132 * reload1.c: Include "cselib.h".
9133 (reload_cse_invalidate_regno): Delete function.
9134 (reload_cse_mem_conflict_p): Likewise.
9135 (reload_cse_invalidate_mem): Likewise.
9136 (reload_cse_invalidate_rtx): Likewise.
9137 (reload_cse_regno_equal_p): Likewise.
9138 (reload_cse_check_clobber): Likewise.
9139 (reload_cse_record_set): Likewise.
9140 (reg_values): Delete static variable.
9141 (invalidate_regno_rtx): Likewise.
9142 (reload_cse_delete_noop_set): New static function.
9143 (reload_cse_simplify): New static function, broken out of
9145 (reload_cse_noop_set_p): Delete unused argument INSN.
9146 Just call rtx_equal_for_cselib_p on set source and destination.
9147 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9148 reload_cse_delete_noop_set. Delete code to keep track of values; use
9149 cselib functions instead. Delete code to push/pop obstacks.
9150 (reload_cse_simplify_set): Use cselib to find equivalent values.
9151 Delete code to push/pop obstacks.
9152 (reload_cse_simplify_operands): Likewise.
9153 * rtl.def (VALUE): New rtx code.
9154 * rtl.h (union rtunion_def): New elt rt_cselib.
9155 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9156 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9157 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9158 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9159 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9160 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9161 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9162 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9163 cselib_record_set, cselib_record_sets): New static functions.
9164 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9165 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9166 references_value_p): New functions.
9167 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9168 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9169 n_useless_values, reg_values, callmem, cselib_obstack,
9170 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9171 New static variables.
9172 * varray.h (union varray_data_tag): New elt te.
9173 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9174 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9177 2000-03-14 Nick Clifton <nickc@cygnus.com>
9179 * gcc.c (do_spec_1): Catch the case where %* is used in a
9180 substitution pattern, but it has not been initialised.
9181 Issue a meaningful error message if an unrecognised operator
9182 is encountered in a spec string.
9184 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9186 * function.c (prepare_function_start): Correctly initialize
9187 cfun->stack_alignment_needed.
9189 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9191 * cppfiles.c (find_include_file): Don't assume nshort is a
9194 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9196 * configure.in (hppa configurations): Add pa32-regs.h to the
9197 list of tm files as appropriate.
9198 * configure: Rebuilt.
9199 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9201 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9202 (fmpyaddoperands, fmpysuboperands): Likewise.
9203 * pa.h: Remove various definitions which depend on knowing
9204 how registers are numbered.
9205 * pa32-regs.h: New file with PA32 register numbering specific
9208 2000-03-14 Richard Henderson <rth@cygnus.com>
9210 * regmove.c (combine_stack_adjustments): New.
9211 (stack_memref_p, single_set_for_csa): New.
9212 (free_csa_memlist, record_one_stack_memref): New.
9213 (try_apply_stack_adjustment): New.
9214 (combine_stack_adjustments_for_block): New.
9215 * rtl.h (combine_stack_adjustments): Declare.
9216 * toplev.c (rest_of_compilation): Call it.
9218 * i386.md: Revert 2000-01-16 change.
9220 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9222 * gccbug.in: Add web category, gcc specific classes.
9224 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9226 * stor-layout.c (finalize_record_size): Fix typo.
9228 2000-03-14 Stan Shebs <shebs@apple.com>
9230 * c-typeck.c (c_alignof): Error on incomplete types.
9231 * extend.texi (Alignment): Document this.
9233 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9235 * cppfiles.c: Include mkdeps.h.
9236 (find_include_file, read_include_file): Remove _cpp_ prefix
9237 from name, make static.
9238 (_cpp_execute_include): New function, broken out of
9241 * cpplib.c: Don't include mkdeps.h.
9242 (struct directive): Remove type field. Reorder entries. The
9243 function takes only one argument.
9244 (struct if_stack): Make type field an int.
9245 (directive_table): Rename to dtable. Generate it, the
9246 prototypes of the directive handlers, and the enum for the
9247 directive numbers, from a template macro.
9248 (do_ifndef, do_include_next, do_import): New functions.
9249 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9250 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9251 do_ident, do_assert, do_unassert, do_sccs): Take only one
9253 (do_sccs): Define always, but alter behavior based on
9255 (_cpp_handle_directive, consider_directive_while_skipping):
9256 Restructure for new directive table layout.
9258 (pass_thru_directive): Take a directive number, not a pointer
9259 to a struct directive.
9260 (parse_include): New function, broken out of do_include.
9261 (do_include, do_import, do_include_next): Use parse_include
9262 and _cpp_execute_include.
9263 (do_elif, do_else): Test for T_ELSE specifically when checking
9264 for #elif/#else after #else.
9265 (parse_ifdef): New function, broken out of do_ifdef.
9266 (validate_else): Expect a name arg without a leading #.
9267 (if_directive_name): Delete.
9268 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9269 directive handlers with only one argument.
9271 * cpphash.h: Update prototypes.
9272 (enum node_type): Remove entries for directives.
9273 * Makefile.in: Update dependencies.
9275 * cpphash.c (dump_hash_helper): Only dump nodes of type
9276 T_MACRO. Emit a newline after each definition.
9278 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9280 * gccbug.in: New file.
9281 * configure.in (all_outputs): Add gccbug.
9282 * Makefile.in (install-common): Install gccbug.
9283 (GCCBUG_INSTALL_NAME): New variable.
9284 * configure: Rebuilt.
9286 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9288 * function.c (put_var_into_stack): Use type_for_mode to calculate
9289 part_type. Use MEM_SET_IN_STRUCT_P.
9290 * expr.c (store_field): Handle CONCAT.
9291 (store_constructor): Use fields_length.
9292 * tree.c (fields_length): New fn.
9293 * tree.h: Declare it.
9295 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9297 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9298 (cpplex.o): New target.
9299 * po/POTFILES.in: Add cpplex.c.
9301 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9302 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9303 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9304 skip_block_comment, skip_line_comment, skip_comment,
9305 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9306 _cpp_parse_name, skip_string, parse_string,
9307 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9308 _cpp_get_directive_token, find_position,
9309 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9310 (maybe_macroexpand, _cpp_lex_token): New functions.
9312 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9313 parse_goto_mark): Delete.
9314 (_cpp_handle_eof): New function.
9315 (_cpp_handle_directive): Rename from handle_directive.
9316 (_cpp_output_line_command): Rename from output_line_command.
9317 (do_if, do_elif): Call _cpp_parse_expr directly.
9318 * cppfiles.c (_cpp_read_include_file): Don't call
9319 init_input_buffer here.
9320 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9321 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9322 here; pop the token_buffer and skip the rest of the line here.
9323 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9326 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9328 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9329 CPP_GOTO_MARK): New macros.
9330 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9331 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9332 _cpp_read_and_prescan, _cpp_init_input_buffer,
9333 _cpp_grow_token_buffer, _cpp_get_directive_token,
9334 _cpp_handle_directive, _cpp_handle_eof,
9335 _cpp_output_line_command): Prototype them here.
9336 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9337 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9338 quote_string, output_line_command): Remove.
9340 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9342 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9343 whether it is too large we must also verify that it isn't negative.
9345 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9347 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9348 (movsi_zero_liveg0): Remove.
9349 (movsf_insn_novis_liveg0): Remove.
9351 (negsi2_not_liveg0): Rename to negsi2.
9352 (one_cmplsi2): Remove.
9353 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9354 (one_cmplsi2_liveg0): Remove.
9355 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9356 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9357 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9358 (PREDICATE_CODES): Remove zero_operand.
9359 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9360 TARGET_BROKEN_SAVERESTORE.
9361 (zero_operand): Remove.
9362 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9363 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9365 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9366 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9367 TARGET_BROKEN_SAVERESTORE): Remove.
9368 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9370 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9372 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9375 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9377 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9379 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9380 truncating a string. Don't assume tokens are nul terminated.
9381 Problem noted by Andreas Jaeger <aj@suse.de>
9383 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9385 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9386 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9387 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9389 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9391 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9392 STRUCTURE_SIZE_BOUNDARY.
9394 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9396 * tree.h (record_layout_info_s): New structure.
9397 (record_layout_info): New type.
9398 (new_record_layout_info): New function.
9399 (layout_field): Likewise.
9400 (finish_record_layout): Likewise.
9401 * stor-layout.c (layout_record): Remove.
9402 (new_record_layout_info): New function.
9403 (layout_field): New function, broken out from layout_record.
9404 (finalize_record_size): Likewise.
9405 (compute_record_mode): Likewise.
9406 (finalize_type_size): New function, broken out from layout_type.
9407 (finish_record_layout): Likewise.
9408 (layout_type): Use them.
9410 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9412 * cpphash.c: Don't include version.h.
9413 (special_symbol) [case T_VERSION]: Look for the string in
9414 hp->value.cpval; don't use version_string.
9415 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9416 __VERSION__ to version_string.
9417 * Makefile.in (cpphash.o): Update deps.
9419 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9421 Convert cpplib to use libiberty/hashtab.c.
9423 * cpplib.h (struct cpp_reader): Make hashtab and
9424 all_include_files of type 'struct htab *'. Delete HASHSIZE
9425 and ALL_INCLUDE_HASHSIZE macros.
9427 * cpphash.h: Update prototypes.
9428 (struct hashnode): Remove next, prev, and bucket_hdr members.
9429 Make length a size_t. Add hash member.
9430 (struct ihash): Remove next member. Add hash member. Make
9431 name a flexible array member.
9433 * cppfiles.c: Include hashtab.h.
9434 (include_hash): Delete.
9435 (IHASHSIZE): New macro.
9436 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9437 (cpp_included): Do the hash lookup here.
9438 (_cpp_find_include_file): Rewrite.
9439 (cpp_read_file): Put the "fake" hash entry into the hash
9440 table. Honor the control_macro, if it turns out we've seen
9441 the file before. Don't push the buffer here.
9442 (_cpp_read_include_file): Push the buffer here.
9443 (OMODES): New macro. Use it whenever we call open(2).
9445 * cpphash.c: Include hashtab.h.
9446 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9447 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9448 _cpp_lookup_slot): New functions.
9449 (HASHSIZE): new macro.
9450 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9451 (_cpp_lookup): Use hashtab.h routines.
9453 * cppinit.c: Include hashtab.h.
9454 (cpp_reader_init): Call _cpp_init_macro_hash and
9455 _cpp_init_include_hash. Don't allocate hashtab directly.
9456 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9457 pfile->all_include_files.
9458 (initialize_builtins): Use _cpp_make_hashnode and
9459 htab_find_slot to add hash entries.
9460 (cpp_finish): Just call _cpp_dump_macro_hash.
9461 * cpplib.c: Include hashtab.h.
9462 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9463 create hash entries.
9464 (do_pragma_poison, do_assert): Likewise.
9465 (do_include): Don't push the buffer here. Don't increment
9466 system_include_depth unless _cpp_read_include_file succeeds.
9467 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9469 (do_pragma_implementation): Use alloca to create copy.
9471 * Makefile.in: Update dependencies.
9473 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9475 * cppinit.c (cl_directive_handler): More K&R fixing.
9477 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9479 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9481 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9483 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9485 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9486 Change from char[] to macros.
9488 2000-03-12 Neil Booth <NeilB@earthling.net>
9490 * cppinit.c (cpp_start_read): Update indirect function
9493 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9495 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9498 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9499 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9501 2000-03-11 Neil Booth <NeilB@earthling.net>
9503 * cppinit.c (struct pending option): Replace undef with a
9504 pointer to a directive handling routine.
9505 (struct cpp_pending): Replace separate assert_ and define_
9506 lists with one directive_ list.
9507 (new_pending_define): Rename new_pending_directive. Extra
9508 argument is the directive's handling routine.
9509 (handle_option): Update to use new_pending_directive.
9511 2000-03-11 Neil Booth <NeilB@earthling.net>
9513 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9514 remap_filename, _cpp_read_include_file, actual_directory,
9515 hack_vms_include_specification): Replace bcopy(), index() etc
9516 calls. Add casts to some allocations. Make some variables
9517 pointers to const [unsigned] char.
9518 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9519 collect_formal_parameters): Similarly.
9520 * cppinit.c (struct pending_option, append_include_chain,
9521 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9522 cpp_start_read, new_pending_define, handle_option): Similarly.
9523 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9524 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9525 do_pragma_implementation, detect_if_not_defined,
9526 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9527 do_assert, do_unassert): Similarly.
9528 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9529 function prototypes.
9530 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9532 2000-03-10 Richard Henderson <rth@cygnus.com>
9534 * builtins.c (expand_builtin_strlen): Revert last change.
9535 Use emit_insn_before if we're at the beginning of a sequence.
9537 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9539 * builtins.c (expand_builtin_strlen): Make sure that we have something
9540 at the beginning of the sequence.
9542 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9545 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9547 2000-03-10 Richard Henderson <rth@cygnus.com>
9549 * except.c (can_throw): Use INTVAL on a CONST_INT.
9550 (reachable_handlers): Likewise.
9551 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9553 2000-03-10 Andreas Jaeger <aj@suse.de>
9555 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9556 MD_STARTFILE_PREFIX since those are not needed on linux.
9557 (ASM_FILE_START): New, from mips/gnu.h.
9559 2000-03-09 Richard Henderson <rth@cygnus.com>
9560 Alex Samuel <samuel@codesourcery.com> and others
9562 * Makefile.in (ssa.o): New rule.
9564 (STAGESTUFF): Add *.ssa and *.ussa.
9565 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9566 * rtl.def (PHI): New RTL expression.
9567 * rtl.h (clear_log_links): New declaration.
9568 (convert_to_ssa): Likewise.
9569 (convert_from_ssa): Likewise.
9570 * flow.c (split_edge): If the entry node falls through to the
9571 split edge's source block, split the entry edge.
9572 (clear_log_links): New function.
9573 * toplev.c (ssa_dump): New variable.
9574 (flag_ssa): Likewise.
9575 (f_options): Add "ssa".
9576 (compile_file): Create SSA dump files.
9577 (rest_of_compilation): Go to and from SSA if enabled.
9578 (decide_d_option): Handle -de for SSA dump files.
9581 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9583 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9586 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9588 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9590 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9592 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9593 (MD_STARTFILE_PREFIX_1): New macro.
9595 2000-03-09 Robert Lipe <robertl@sco.com>
9597 * config/ia64/ia64.c: Include system.h.
9599 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9601 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9602 (init_eh_nesting_info): Likewise.
9604 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9605 (TREE_NOTHROW): Rename from TREE_RAISES.
9606 * toplev.c (rest_of_compilation): Set it.
9607 * print-tree.c (print_node): Adjust.
9608 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9609 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9610 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9611 REG_EH_REGION note as appropriate.
9612 (libfunc_nothrow): New fn.
9613 (emit_library_call, emit_library_call_value): Use it.
9614 (expand_call): Check TREE_NOTHROW.
9616 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9617 DECL_ASSEMBLER_NAME.
9619 2000-03-09 Andreas Jaeger <aj@suse.de>
9621 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9622 (TARGET_MEM_FUNCTIONS): Define.
9624 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9626 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9628 * except.c (can_throw): See through a SEQUENCE.
9629 (nothrow_function_p): New fn.
9630 * except.h: Declare it.
9631 * function.c (current_function_nothrow): New var.
9632 (prepare_function_start): Initialize it.
9633 * output.h: Declare it.
9634 * toplev.c (rest_of_compilation): Set it.
9635 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9637 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9639 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9640 match. (cpp_compare_defs): Count the nul separator when
9641 advancing over argument names.
9643 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9645 * recog.c (preprocess_constraints): Matching constraints affect
9646 same alternative/different operand, not same operand/different
9649 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9650 register and a constant specially.
9652 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9654 * libgcc2.h: New file.
9655 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9657 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9659 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9660 * configure: Regenerate.
9663 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9665 * Makefile.in (LIBCPP_DEPS): New macro.
9666 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9668 * cpperror.c: Include cpphash.h.
9669 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9671 (lex): Don't use CPP_WARN_UNDEF.
9672 (_cpp_parse_expr): Return an int, the truth value.
9673 * cppfiles.c: Include cpphash.h.
9674 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9675 * cppinit.c (include_defaults_array): Disentangle.
9676 (cpp_cleanup): Don't free the if stack here.
9677 (cpp_finish): Pop off all buffers, not just one.
9678 * cpplib.c (eval_if_expr): Return int.
9679 (do_xifdef): Rename do_ifdef.
9680 (handle_directive): Don't use CPP_PREPROCESSED.
9681 (cpp_get_token): Don't use CPP_C89.
9682 * fix-header.c: Don't use CPP_OPTIONS.
9684 * cpplib.h: Move U_CHAR, enum node_type, struct
9685 file_name_list, struct ihash, is_idchar, is_idstart,
9686 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9687 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9688 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9689 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9690 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9691 of _cpp_simplify_pathname, _cpp_find_include_file,
9692 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9693 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9695 Change all uses of U_CHAR to be unsigned char instead.
9696 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9698 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9700 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9701 (dwarf2out_begin_prologue): Set it.
9702 (output_call_frame_info): Don't emit EH unwind info for leaves.
9704 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9705 can occur outside of an EH region.
9706 * except.c: Correct comments about rethrow behavior.
9707 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9709 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9711 * flow.c (make_edges): Always call make_eh_edge for calls.
9713 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9715 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9716 (struct cpp_buffer): Remove fname and underflow fields.
9717 (struct cpp_reader): Remove get_token field.
9718 (struct include_hash): Rename to struct ihash. Add typedef to
9720 (struct if_stack): Remove fname field.
9721 (IF_STACK_FRAME): Rename to IF_STACK.
9723 * cpperror.c (print_containing_files): Trust that there are no
9724 macro buffers below the top file buffer.
9725 * cppfiles.c: Replace all references to 'struct include_hash'
9726 with 'IHASH'. Rename initialize_input_buffer to
9727 init_input_buffer. Don't set or reference cpp_buffer->fname,
9728 use buffer->ihash->name instead.
9729 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9730 not CPP_NULL_BUFFER.
9731 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9732 IF_STACK_FRAME, IHASH not struct include_hash.
9733 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9734 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9735 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9736 references to cpp_buffer->fname (delete entirely, or use
9737 ->ihash->name instead) and IF_STACK->fname.
9738 (cpp_push_buffer): Don't set new->underflow.
9739 (do_include): Use cpp_file_buffer.
9741 * cpphash.c (collect_formal_parameters): Remove duplicate
9742 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9743 used as a macro argument name. Don't append "..." to namebuf
9744 for varargs macros. After we're done scanning, go through
9745 namebuf and make it NUL separated, not comma separated.
9746 (_cpp_compare_defs): Remove register tag from variables.
9747 Expect defn->argnames to be NUL separated.
9748 (_cpp_dump_definition): Expect defn->argnames to be NUL
9749 separated and in forward order.
9750 * cpphash.h: Update documentation of argnames field.
9752 2000-03-08 Richard Henderson <rth@cygnus.com>
9754 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9755 to fail. Don't pre-expand the source operand.
9757 * i386.md (strlensi): Initialize eoschar and align before use.
9759 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9761 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9762 CONSTRUCTOR element.
9764 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9766 * mips.c (mips_expand_prologue): If the last
9767 named argument is the vararg marker "va_list", treat it as
9768 an unnamed argument.
9770 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9772 * dbxout.c (dbxout_parms): When correcting for promoted
9773 big-endian parameters, use the mode of the DECL_RTL rather
9774 than UNITS_PER_WORD.
9776 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9778 * c-common.h (make_fname_decl): Declare.
9779 * c-common.c (make_fname_decl): Define.
9780 (declare_hidden_char_array): Remove.
9781 (declare_function_name): Use make_fname_decl.
9782 * c-decl.c (c_make_fname_decl): New function.
9783 (init_decl_processing): Set make_fname_decl.
9785 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9787 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9789 2000-03-07 Philipp Thomas <pthomas@suse.de>
9791 * po/POTFILES.in: Remove cppalloc.c from file list.
9793 2000-03-07 Steve Chamberlain <sac@pobox.com>
9795 * pj.c (pj_expand_prologue): current_function->args_info is
9796 now current_function_args_info.
9798 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9799 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9800 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9802 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9804 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9805 output as hexadecimal rather than the default octal.
9807 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9809 * cpphash.c (special_symbol): Fix thinko in previous commit.
9811 2000-03-07 Neil Booth <NeilB@earthling.net>
9813 * cppexp.c (struct operation, left_shift, right_shift,
9814 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9815 "int"s to "unsigned int"s.
9816 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9818 * cpplib.h: Update for above.
9819 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9820 returned from allocations.
9822 * cppinit.c (opt_comp, parse_options): New functions.
9823 (handle_option): Use parse_option to parse a single command
9824 line option, that possibly takes an argument.
9825 (cpp_handle_options): Sort the array of command line options on
9826 first invocation (non-ASCII hosts only).
9827 (print_help): Update.
9829 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9831 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9832 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9834 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9836 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9838 * cpperror.c (cpp_print_containing_files,
9839 cpp_print_file_and_line, v_cpp_message): Rename to
9840 print_containing_files, print_file_and_line, and v_message.
9841 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
9842 to _cpp_parse_expr, parse_escape, and lex.
9843 (parse_charconst): Remove broken multibyte support.
9844 * cppfiles.c (include_hash): Make static.
9845 (cpp_included): New function.
9846 (merge_include_chains, find_include_file, finclude,
9847 simplify_pathname): Rename to _cpp_merge_include_chains,
9848 _cpp_find_include_file, _cpp_read_include_file, and
9849 _cpp_simplify_pathname.
9850 * cpphash.c (cpp_lookup, free_definition, delete_macro,
9851 cpp_install, create_definition, macroexpand, compare_defs,
9852 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
9853 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
9854 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
9855 * cppinit.c (cpp_handle_option): Rename to handle_option, make
9857 * cpplib.c: Remove extern prototype of cpp_parse_expr.
9859 * cpphash.h: Update prototypes.
9860 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
9862 2000-03-07 Andrew Haley <aph@cygnus.com>
9864 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
9865 PTRDIFF_TYPE should be based solely on Pmode.
9868 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9870 * rtl.h (rtunion_def): Constify member `rtstr'.
9871 (emit_line_note_after, emit_line_note, emit_line_note_force,
9872 emit_note, decode_asm_operands): Constify.
9874 * cse.c (canon_hash): Likewise.
9876 * dbxout.c (dbxout_block): Likewise.
9878 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
9879 v_warning_for_asm): Likewise.
9881 * dwarfout.c (function_start_label): Likewise.
9883 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
9884 emit_line_note_force): Likewise.
9886 * final.c (last_filename, asm_insn_count, final_scan_insn,
9887 output_source_line): Likewise.
9889 * function.h (struct emit_status): Likewise.
9891 * gcse.c (hash_expr_1): Likewise.
9893 * genattr.c (gen_attr, main): Likewise.
9895 * genattrtab.c (struct function_unit, current_alternative_string,
9896 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
9897 attr_numeral, check_attr_test, check_attr_value,
9898 convert_set_attr_alternative, convert_set_attr,
9899 compute_alternative_mask, simplify_by_exploding, gen_attr,
9900 gen_unit): Likewise.
9902 * genflags.c (gen_insn): Likewise.
9904 * gengenrtl.c (type_from_format): Likewise.
9906 * genopinit.c (gen_insn): Likewise.
9908 * genoutput.c (n_occurrences, process_template, process_template):
9911 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9914 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
9917 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
9918 ggc_set_mark, ggc_get_size): Likewise.
9920 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
9922 * optabs.c (init_one_libfunc): Likewise.
9924 * output.h (assemble_start_function): Likewise.
9926 * recog.c (decode_asm_operands): Likewise.
9928 * toplev.c (rest_of_compilation): Likewise.
9930 * tree.h (emit_line_note_after, emit_line_note,
9931 emit_line_note_force): Likewise.
9933 * varasm.c (asm_output_bss, asm_output_aligned_bss,
9934 asm_emit_uninitialised, assemble_start_function,
9935 assemble_variable, const_hash, compare_constant_1,
9936 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
9938 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
9940 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
9942 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
9944 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
9946 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
9947 arm_dllimport_name_p): Likewise.
9949 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
9952 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
9954 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9956 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
9957 arm_mark_dllexport, arm_mark_dllimport,
9958 arm_pe_encode_section_info): Likewise.
9960 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
9961 ASM_FINISH_DECLARE_OBJECT): Likewise.
9963 * arm/thumb.c (thumb_function_prologue): Likewise.
9965 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
9967 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9969 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
9971 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
9973 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9975 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9977 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
9978 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
9980 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
9982 * i386/i386.c (asm_output_function_prefix): Likewise.
9984 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
9986 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9988 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
9990 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
9991 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
9992 ASM_OUTPUT_SECTION_NAME): Likewise.
9994 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
9996 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
9998 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10000 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10002 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10004 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10006 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10008 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10010 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10012 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10014 * mips/mips.md (movdi, movsi): Likewise.
10016 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10018 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10020 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10022 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10023 ASM_OUTPUT_ASCII): Likewise.
10025 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10026 output_mi_thunk, output_toc): Likewise.
10028 * rs6000/rs6000.md (movsi): Likewise.
10030 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10032 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10034 * v850/v850.c (print_operand, print_operand_address,
10035 v850_encode_data_area): Likewise.
10037 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10039 * config/mips/mips.md (zero_extendsidi2): Always force operand
10040 one to memory for mips16.
10042 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10044 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10045 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10046 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10047 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10048 (min_precision): Result is unsigned.
10049 (add_double, neg_double, mul_double): Low word is unsigned.
10050 (lshift_double, rshift_double, lrotate_double): Likewise.
10051 (rrotate_double, div_and_round_double): Likewise.
10052 (tree_floor_log2, compare_tree_int): New functions.
10053 (preserve_rtl_expr_temps): New declaration.
10054 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10055 (decl_attributes): Use tree_log2 to find alignment.
10056 Check for TREE_INT_CST_HIGH for format args.
10057 (min_precision): Now unsigned.
10058 Use tree_floor_log2.
10059 (truthvalue_conversion): Delete long-disabled code.
10060 * c-decl.c (finish_struct): Clean up tests on field width.
10061 (finish_function): Use compare_tree_int.
10062 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10063 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10064 (default_conversion, digest_init): Use compare_tree_int.
10065 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10066 Fix type errors in forming masks.
10067 * calls.c (initialize_argument_information): Use compare_tree_int.
10068 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10069 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10070 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10071 (store_field): Use compare_tree_int.
10072 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10073 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10074 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10075 (do_store_flag): Use compare_tree_int.
10076 * fold-const.c (encode, decode): Low part is always unsigned.
10077 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10078 (lshift_double, rshift_double, lrotate_double): Likewise.
10079 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10080 (fold_convert): Use compare_tree_int.
10081 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10082 (invert_truthvalue, case INTEGER_CST): Likewise.
10083 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10084 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10085 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10086 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10088 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10089 (expand_end_case): Use compare_tree_int.
10090 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10091 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10092 (layout_decl): Likewise.
10093 (layout_record, layout_union): Make sizes unsigned.
10094 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10095 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10096 * tree.c (struct type_hash): hashcode is unsigned.
10097 (build_type_attribute_variant, type_hash_list): Likewise.
10098 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10099 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10100 (build_complex_type): Likewise.
10101 (real_value_from_int_cst): Remove unneeded casts.
10102 (integer_all_onesp): Add casts.
10103 (tree_floor_log2, compare_tree_int): New functions.
10104 (build_index_type): Use tree_int_cst_sgn.
10105 * varasm.c (assemble_variable): Use compare_tree_int.
10107 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10109 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10111 * varasm.c (make_decl_rtl): Don't add a number to members of
10113 (make_function_rtl): Likewise.
10115 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10117 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10118 patch from 2000-01-28.
10120 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10122 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10123 filled with an insn from the jump target.
10125 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10127 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10128 (c4x_external_ref): Likewise.
10129 * config/c4x/c4x.c (struct name_list): Likewise.
10131 1999-12-16 Ben Collins <bcollins@debian.org>
10133 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10134 argument to genmultilib.
10135 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10136 the contents into the multilib.h header.
10137 * gcc.c: Declare multilib_exclusions for the specs file.
10138 (set_multilib_dir): Use it.
10139 (print_multilib_info): Likewise.
10140 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10141 to pass to genmultilib.
10143 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10145 * builtins.c (built_in_class_names, built_in_names): Constify a
10148 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10150 (_mcleanup): Ensure value matches format specifier in sprintf.
10152 * cpphash.c (special_symbol): Don't needlessly cast away
10155 * cppinit.c (base_name): Delete unused prototype.
10157 * mkdeps.c (deps_init): Make definition K&R safe.
10159 * tree.h (built_in_class_names, built_in_names): Constify a
10162 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10164 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10165 floating point instructions for epilogue delay.
10167 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10168 to gas if it supports .register pseudo.
10170 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10171 LONG_DOUBLE_TYPE_SIZE if not defined.
10172 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10173 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10174 * real.c: Likewise.
10175 * gengenrtl.c: Likewise.
10176 * print-rtl.c: Likewise.
10178 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10179 MASK_LONG_DOUBLE_128.
10180 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10181 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10182 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10183 (SUBTARGET_SWITCHES): Define.
10184 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10185 with -mlong-double-128.
10186 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10187 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10188 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10189 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10190 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10191 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10192 with -mlong-double-128.
10193 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10194 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10195 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10196 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10197 TARGET_LONG_DOUBLE_128): Define.
10198 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10199 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10200 long double on TARGET_ARCH64.
10202 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10204 * function.c (free_temps_for_rtl_expr): Don't free slots
10205 that have been pushed into a higher level.
10208 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10210 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10212 * basic-block.h (ALLOCA_REG_SET): Remove.
10213 (INITIALIZE_REG_SET): New macro.
10214 * flow.c (update_life_info): Use it.
10215 (calculate_global_regs_live): Likewise.
10216 (propagate_block): Likewise.
10217 * global.c (build_insn_chain): Likewise.
10218 * haifa-sched.c (schedule_region): Likewise.
10220 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10222 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10223 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10224 (DWARF_ARANGES_PAD_SIZE): New define.
10225 (output_aranges): Use it to pad the address range header.
10226 (DWARF_ROUND): Fix for non power of 2 rounding.
10228 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10230 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10232 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10234 * tree.def (RTL_EXPR): Update documentation.
10235 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10236 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10237 * function.c (preserve_rtl_expr_temp): New function.
10238 (preserve_rtl_expr_temps): Likewise.
10239 (preserve_rtl_expr_result): Use it.
10242 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10244 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10246 * regmove.c (copy_src_to_dest) Do not create src->dest move
10247 for unchanging destination.
10249 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10251 * function.h (struct sequence_stack): Remove rtl_expr.
10252 (struct emit_staus): Likewise.
10253 (seq_rtl_expr): Remove.
10254 * tree.h (free_temps_for_rtl_expr): Don't declare.
10255 (start_sequence_for_rtl_expr): Likewise.
10256 * rtl.h (preserve_rtl_expr_result): Likewise.
10257 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10258 (start_sequence_for_rtl_expr): Remove.
10259 (push_topmost_sequence): Don't save sequence_rtl_expr.
10260 (pop_topmost_sequence): Remove comment about not restoring it.
10261 (end_sequence): Don't set seq_rtl_expr.
10262 (init_emit): Don't initialize it.
10263 (mark_sequence_stack): Don't mark it.
10264 (mark_emit_status): Likewise.
10265 * except.c (protect_with_terminate): Use
10266 start_sequence_for_rtl_expr, not start_sequence.
10267 * expr.c (expand_expr, case RTL_EXPR): Don't call
10268 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10269 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10270 (preserve_rtl_expr_result): Remove.
10271 (free_temps_for_rtl_expr): Likewise.
10272 (pop_temp_slots): Likewise.
10273 (mark_temp_slot): Don't mark the rtl_expr.
10274 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10275 start_sequence_for_rtl_expr.
10277 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10279 * mkdeps.c, mkdeps.h: New files.
10280 * po/POTFILES.in: Add them.
10281 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10282 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10283 (mkdeps.o): New target.
10285 * cppfiles.c: Delete deps_output.
10286 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10287 OBJECT_SUFFIX, and base_name.
10288 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10290 (initialize_dependency_output): Use deps_init,
10291 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10292 all the unnecessary string bashing.
10293 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10295 * cpplib.c (do_include): Use deps_add_dep.
10296 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10297 deps_allocated_size, deps_size, deps_column members with
10298 single pointer to a struct deps. Delete prototype of
10301 * cppinit.c: Fix thinko in previous patch.
10303 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10305 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10306 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10307 (mode_for_size_tree): New function.
10308 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10309 * tree.h (mode_for_size_tree): New declaration.
10311 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10313 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10315 * stmt.c (is_body_block): Move...
10316 * dwarfout.c, dwarf2out.c: ...from here.
10317 * tree.h: Declare it.
10318 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10319 * final.c (final_start_function): Do call remove_unnecessary_notes
10322 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10324 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10326 * cpplib.h (_dollar_ok): New macro.
10327 (is_idchar, is_idstart): Use it.
10328 (IStable): Rename to _cpp_IStable. Declare it const if
10329 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10330 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10331 is_space): Update for renamed IStable.
10333 * cppinit.c: Delete all references to FAKE_CONST and CAT
10334 macros. Define init_IStable as empty macro if gcc >=2.7 or
10335 C99. Change TABLE() to ISTABLE and hardcode name of table.
10336 (cpp_start_read): Don't change the IStable based on
10339 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10340 changed. Handle '$' for char1 correctly.
10341 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10343 * cppexp.c (tokentab2): Make const.
10344 (cpp_lex): Make toktab const.
10345 * cppinit.c (include_defaults_array): Make const.
10346 (initialize_standard_includes): Make default_include const.
10348 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10350 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10351 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10352 (gen_decl_die): Likewise.
10353 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10354 (output_decl): Likewise.
10356 * varasm.c (make_function_rtl): If we change the name used in the
10357 rtl, update DECL_ASSEMBLER_NAME accordingly.
10358 (make_decl_rtl): Likewise.
10360 * toplev.c (rest_of_compilation): Tweak formatting.
10362 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10363 remove_unnecessary_notes.
10364 (debug_ignore_block): New fn.
10365 * toplev.h: Declare it.
10366 * emit-rtl.c (remove_unncessary_notes): Call it.
10367 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10368 * dwarf2out.h: Declare it.
10369 * final.c (final_start_function): Don't call remove_unnecessary_notes
10370 if we did insn scheduling.
10372 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10374 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10375 * cpplib.h: Delete SET_CPP_PEDANTIC.
10377 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10379 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10380 result is a RECORD_TYPE.
10382 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10384 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10386 2000-03-03 Richard Henderson <rth@cygnus.com>
10388 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10389 addition over compliments over shifts.
10391 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10393 * reload1.c (reload_combine_note_use): Handle return register USEs.
10394 REG case: Handle multi-hard-register hard regs.
10396 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10398 * md.texi: Document use of '*' in insn pattern name.
10400 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10402 * calls.c (special_function_p): operator new may not be malloc-like.
10404 * gcse.c (dump_hash_table): Really fix error in last change.
10406 2000-03-02 Denis Chertykov <denisc@overta.ru>
10408 * avr.c (print_operand): Use print_operand_address instead of
10410 * avr/libgcc.S: Cleanup code.
10412 2000-03-02 Richard Henderson <rth@cygnus.com>
10414 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10416 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10418 * tree.h (TYPE_ALIGN_UNIT): New macro.
10420 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10422 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10424 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10426 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10428 (SET_CPP_PEDANTIC): New macro.
10429 * cpplib.c (do_include): Don't bother checking system_header_p.
10430 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10431 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10433 * function.h (struct expr_status): Add x_arg_space_so_far.
10434 (arg_space_so_far): New macro.
10435 * expr.c (init_expr): Initialize it.
10436 * calls.c (emit_call_1): Reset it.
10437 (compute_argument_block_size, expand_call): Use it.
10438 (expand_call, store_one_arg): Increment it.
10440 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10442 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10445 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10447 * cppfiles.c (cpp_read_file): New function.
10449 * cpphash.c (collect_expansion): Make sure to reset last_token
10450 to NORM when we hit a string. Handle trailing whitespace
10451 properly when the expansion is empty.
10452 (create_definition): Disable line commands while parsing the
10454 (dump_definition): If pfile->lineno == 0, output a line
10455 command ahead of the dump, and add a trailing newline.
10457 * cppinit.c (append_include_chain): Add fifth argument, which
10458 indicates whether or not system headers are C++ aware.
10459 (initialize_standard_includes): New function,
10460 broken out of read_and_prescan. Pass 'cxx_aware' value from
10461 the include_defaults_array on to append_include_chain.
10462 (dump_special_to_buffer): Const-ify char array.
10463 (builtin_array): Don't dump __BASE_FILE__.
10464 (cpp_start_read): Use cpp_read_file. Reorder code for
10465 clarity. Don't output line commands here for -D/-A/-U
10466 switches. Don't call deps_output for files included with
10467 -include or -imacros.
10469 * cpplib.c (do_define): Don't pay any attention to the second
10471 (cpp_expand_to_buffer): Disable line commands while scanning.
10472 (output_line_command): Work in the file buffer.
10473 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10474 Fix formatting of comments. Prototype cpp_read_file.
10476 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10478 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10479 reference the language-equivalent of sizetype.
10480 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10481 * fold-const.c (size_binop, size_diffop): Put back checks.
10482 * gcse.c (dump_hash_table): Fix minor error in last change.
10483 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10484 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10487 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10489 * calls.c (expand_call) Do not attempt to combine stack adjustments
10490 with inhibit_defer_pop set.
10492 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10494 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10495 the DECL_SIZE for a FIELD_DECL.
10497 2000-03-01 Bruce Korb <bkorb@gnu.org>
10499 * fixinc/inclhack.tpl: remove unused symlinks
10500 * fixinc/README: GCC Maintainer info
10501 * fixinc/inclhack.sh: regen
10502 * fixinc/fixincl.sh: regen
10504 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10506 * cpphash.c (collect_expansion): Trim trailing white space
10507 from macro definitions, but don't go past the last insertion
10510 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10512 * i386.md (mulqi3): New pattern.
10514 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10516 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10518 (struct cpp_reader): Add parsing_if_directive and
10519 parsing_define_directive flags.
10520 (struct cpp_options): Remove output_conditionals flag.
10521 (check_macro_name): Delete prototype.
10523 * cpphash.h (struct macrodef): Delete.
10524 (struct reflist): Separate from struct definition.
10525 (struct definition): Remove unused fields. Add column number.
10526 (create_definition): Returns a DEFINITION *. Takes a
10527 cpp_reader * and an int.
10529 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10530 (PEEKC): Copy defn from cpplib.c.
10531 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10533 (struct arglist): Simplify.
10534 (collect_expansion): Rewrite. Get tokens by calling
10535 cpp_get_token. Add more error checking.
10536 (collect_formal_parameters): New function, broken out of
10537 create_definition and reworked to use get_directive_token.
10538 (create_definition): All real work is now in collect_expansion
10539 and collect_formal_parameters. do_define handles finding the
10540 macro name. Return a DEFINITION, not a MACRODEF.
10541 (macroexpand): Replace bcopy with memcpy throughout. Replace
10542 character-at-a-time copy loop with memcpy and pointer increments.
10543 (compare-defs): d1->argnames / d2->argnames might be null.
10545 * cpplib.c (copy_rest_of_line): Delete function.
10546 (skip_rest_of_line): Do all the work ourselves.
10547 (skip_string): New function.
10548 (parse_string): Use skip_string.
10549 (get_macro_name): New function.
10550 (check_macro_name): Delete.
10551 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10552 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10553 (handle_directive): ICE if we're called on a macro buffer.
10554 (do_define): Determine macro name and type (funlike/objlike)
10555 here. Expunge all uses of MACRODEF.
10556 (cpp_push_buffer): Set line_base to NULL.
10557 (do_undef, read_line_number): Don't worry about getting a POP token.
10558 (eval_if_expression): Set/reset parsing_if_directive around
10559 cpp_parse_expr. Don't clear only_seen_white.
10560 (skip_if_group): Remove output_conditionals logic. Use
10562 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10563 tokens under appropriate conditions.
10564 (cpp_unassert): Call do_unassert not do_assert. Oops.
10566 * cppexp.c (parse_defined): New function, break out of
10568 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10569 ourselves, with cpp_defined.
10570 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10572 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10573 * gcc.dg/strpaste-2.c: New.
10575 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10577 * fold-const.c (size_binop): Don't asert inputs are the same and
10578 have TYPE_IS_SIZETYPE set.
10579 (size_diffop): Likewise.
10581 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10583 * dwarfout.c (output_block): Output abstract blocks even if they
10584 don't have TREE_ASM_WRITTEN set.
10586 * calls.c (emit_library_call): Check for null REG.
10588 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10590 * c-decl.c (current_function_decl): Move to toplev.c.
10591 (init_decl_processing): Don't add current_function_decl as a ggc
10593 * dbxout.c (dbxout_symbol): Change return type to int.
10594 (dbxout_symbol_location, dbxout_syms): Likewise.
10595 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10596 any locals. Use current_function_func_begin_label if set.
10597 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10598 * dwarf2out.c (dwarf2out_begin_prologue): Set
10599 current_function_func_begin_label.
10600 * final.c (final_start_function): Reset it.
10601 * toplev.c (current_function_decl): Define it here.
10602 (current_function_func_begin_label): New variable.
10603 (main): Add both as ggc roots.
10604 * tree.h (current_function_func_begin_label): Declare.
10606 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10608 * gcse.c: Cleanups throughout: mostly white-space, but also
10609 some minor rearrangement of code.
10611 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10613 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10614 returns a PARALLEL. Use emit_group_load and use_group_regs
10616 (emit_library_call_value): Similarly.
10618 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10619 * pa/quadlib.asm: Remove.
10620 * pa/quadlib.c: New file.
10622 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10623 * configure: Rebuilt.
10625 2000-02-29 Philip Blundell <pb@futuretv.com>
10627 * config/arm/conix-elf.h: New file.
10628 * configure.in (arm*-*-conix*): New configuration.
10629 * configure: Regenerate.
10631 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10633 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10634 don't have TREE_ASM_WRITTEN set.
10636 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10638 * Eliminate DECL_FIELD_SIZE.
10639 * builtins.c (built_in_class_names, built_in_names): New variables.
10640 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10641 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10642 DECL_SIZE, not DECL_FIELD_SIZE.
10643 * print-tree.c (print_node): Remove code that prints extra blank
10644 lines in some cases.
10645 Properly handle inline and builtin function cases.
10646 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10647 * tree.h (built_in_class_named, built_in_names): New declarations.
10648 (union tree_decl): Rename internal unions to u1 and u2 and change
10649 some of their components.
10650 Add new field built_in_class.
10651 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10652 Reflect above changes.
10653 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10654 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10655 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10656 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10658 2000-02-28 Dmitri Makarov <dim@windriver.com>
10660 * extend.texi: Document ARM's support for long/short calls.
10662 * invoke.texi: Document ARM's -mlong-calls command line switch.
10664 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10665 (arm_encode_call_attribute): Add prototype.
10666 (arm_set_default_type_attribute): Add prototype.
10667 (arm_strip_name_encoding): Add prototype.
10669 * config/arm/arm.c (arm_init_cumulative_args): replace
10670 initialisation og 'long_calls' field with initialisation of
10671 'call_cookie' field.
10672 (enum arm_pragma_enum): New enum.
10673 (arm_pragma_long_calls): New static variable.
10674 (arm_process_pragma): Also process "#pragma long_calls_off".
10675 (arm_valid_type_attribute_p): Accept short_call attribute.
10676 (arm_comp_type_attributes): Check long/short call attributes.
10677 (arm_encode_call_attribute): New function: Encode long_call
10678 or short_call attribute in function name.
10679 (arm_set_default_type_attributes): New function: Assign
10680 default attributes to newly defined type.
10681 (current_file_function_operand): New function: Return true if
10682 the symbol is a function which has already been compiled.
10683 (arm_is_longcall_p): New function: Return true if the
10684 indicated function should be called via a long call.
10685 (arm_get_strip_length): New function. Returns number of
10686 prefix characters to be stripped from a function's name.
10687 (arm_strip_name_encoding): New function. Strip prefix characters
10688 from a function's name.
10690 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10691 with 'call_cookie'.
10692 (SHORT_CALL_FAG_CHAR): Define.
10693 (LONG_CALL_FAG_CHAR): Define.
10694 (ENCODED_SHORT_CALL_ATTR_P): Define.
10695 (ENCODED_LONG_CALL_ATTR_P): Define.
10696 (ARM_NAME_ENCODING_LENGTHS): Define.
10697 (STRIP_NAME_ENCODING): Define.
10698 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10699 (ARM_ENCODE_CALL_TYPE): Define.
10700 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10701 (ARM_DECLARE_FUNCTION_SIZE): Define.
10702 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10704 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10705 if a long call is needed.
10706 (call_value): Ditto.
10707 (call_symbol): Ditto.
10709 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10710 ARM_DECLARE_FUNCTION_SIZE.
10712 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10713 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10714 (ARM_STRIP_NAME_ENCODING): Undefine.
10715 (STRIP_NAME_ENCODING): Undefine.
10716 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10717 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10718 (ASM_OUTPUT_COMMON): Ditto.
10719 (ASM_DECLARE_OBJECT_NAME): Ditto.
10721 * config/arm/pe.c (arm_dllexport_name_p): Check for
10723 (arm_dllimport_name_p): Ditto.
10724 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10725 (arm_mark_dllimport): Ditto.
10727 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10729 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10731 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10733 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10735 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10737 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10738 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10739 NO_BUILTIN_WCHAR_TYPE is not defined.
10740 (CPP_WCHAR_TYPE): Delete.
10741 * cccp.c (main): Don't change wchar_type if cplusplus.
10742 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10744 2000-02-28 Nick Clifton <nickc@cygnus.com>
10746 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10748 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10750 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10751 (ASM_WEAKEN_LABEL): Define.
10753 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10755 * expr.c (store_constructor): Do not emit USE.
10756 * rtl.h (stupid_life_analysis): Remove.
10758 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10760 * function.c (number_blocks): Reset next_block_index based on
10761 what debugging format is used, not what is defined.
10763 * lcm.c: Minor reformatting throughout.
10764 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10766 * toplev.c (rest_of_compilation): Account for time in
10767 optimize_mode_switching.
10769 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10770 if only marking labels.
10772 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10774 * calls.c (expand_call): Attempt to combine stack adjustments with
10775 pending stack adjustments.
10777 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10779 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10780 to the end of the function.
10782 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10784 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10786 * final.c (next_block_index): Remove.
10787 (max_block_depth): Likewise.
10788 (pending_blocks): Likewise.
10789 (init_final): Don't initialize them.
10790 (final_start_function): Don't set next_block_index. Set up
10792 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10793 * function.h (number_blocks): New function.
10794 * function.c (get_block_vector): New function.
10795 (identify_blocks): Use it.
10796 (reorder_blocks): Set NOTE_BLOCK.
10797 (number_blocks): New function.
10798 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10799 * tree.h (BLOCK_NUMBER): New macro.
10800 (tree_block): Add block_num field.
10801 * dbxout.c (next_block_number): Remove.
10802 (dbxout_init): Don't set it.
10803 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10804 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10806 * toplev.c (rest_of_compilation): Always call
10807 find_loop_tree_blocks. Fix indentation.
10808 * dwarf2out.c (next_block_number): Remove.
10809 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10810 to determine block numbers.
10811 (gen_inlined_subroutine_die): Likewise.
10812 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10813 (decls_for_scope): Don't increment next_block_number.
10814 * dwarfout.c (next_block_number): Remove.
10815 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10816 to determine block numbers.
10817 (output_inlined_subroutine_die): Likewise.
10818 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10819 (output_decls_for_scope): Don't increment next_block_number.
10820 * sdbout.c (next_block_number): Remove.
10821 (sdbout_block): Use BLOCK_NUMBER.
10822 (sdbout_begin_block): Simplify.
10823 * xcoffout.c (next_block_number): Remove.
10824 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10825 (xcoffout_begin_block): Don't set next_block_number.
10826 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10829 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10831 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10832 (expand_builtin_strcpy): Pass correct type to size_binop.
10833 (expand_builtin_strcmp): Likewise.
10834 Clean up conditional structure.
10835 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10836 (complete_array_type): Don't use size_binop for MAXINDEX.
10837 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10838 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10839 (c_alignof): Use size_one_node.
10840 (build_unary_op): Pass arg of proper type to size_binop.
10841 (really_start_incremental_init, push_init_level): Use sizetype for
10842 constructor{,_bit,_unfilled}_index.
10843 (pop_init_label, output_init_element): Likewise.
10844 (output_pending_init_elements, process_init_element): Likewise.
10845 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
10846 * expr.c (store_expr): Use size_int.
10847 (store_constructor): Use proper types for size_binop args.
10848 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
10849 (expand_expr_unaligned): Likewise.
10850 (string_contant): Return object of sizetype.
10851 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
10852 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
10853 (ARGS_SIZE_TREE): Pass proper types to size_binop.
10854 * fold-const.c (int_const_binop): Refine when size_int is called.
10855 (fold_convert): Likewise.
10856 (size_int_wide): Rework to take KIND as arg, only take low order
10857 bits, handle new sizetype_tab datatype, and chain entries in
10859 (size_int_type_wide): New function.
10860 (size_binop): Validate types of arguments.
10861 (ssize_binop): Deleted.
10862 (size_diffop): New function.
10863 (extract_muldiv): Only fold division into multiplication for sizetypes.
10864 * function.c (assign_parms): Use size_diffop and make sure
10865 VAR field is of ssizetype; also pass proper type to size_binop.
10866 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
10867 (round_down): Deleted from here.
10868 * store-layout.c (sizetype_tab): Now an array.
10869 (sizetype_set, early_root_list): New variables.
10870 (variable_size): Use size_one_node.
10871 (round_up): Pass proper type to size_binop.
10872 (round_down): Moved to here and corrected as above.
10873 (layout_record): Pass proper arg types to size_binop.
10874 (layout_type): Likewise.
10875 If sizetype_set is zero, record the type just laid out.
10876 (make_unsigned_type): Don't call set_sizetype;
10877 (make_signed_type): Likewise; also, call fixup_signed_type.
10878 (initialize_sizetypes): New function.
10879 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
10880 set name of bitsizetype to "bit_size_type".
10881 Fix up type of sizes of all types made before call.
10882 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
10883 * tree.c (fix_sizetype): Deleted.
10884 (build_common_tree_nodes): Call initialize_sizetypes.
10885 (build_common_tree_nodes_2): Don't call fix_sizetype.
10886 * tree.h (TYPE_IS_SIZETYPE): New macro.
10887 (initialize_sizetype): New declaration.
10888 (enum size_type_kind): New type.
10889 (struct sizetype_tab): Deleted.
10890 (sizetype_tab): Now array; adjust sizetype macros.
10891 (size_diffop, size_int_type_wide): New functions.
10892 (size_int_wide): Change number of args and type; access macros changed.
10893 (ssize_int, sbitsize_int): New macros.
10894 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
10895 (ROUND_TYPE_SIZE_UNIT): New macro.
10897 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
10899 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
10901 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10903 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
10904 Mark as possibly unused.
10906 * cse.c (cse_insn): Delete dead code involving tablejump.
10907 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
10909 * Makefile.in (libcpp.a): Start by deleting it.
10911 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10913 * cpplib.h (enum file_change_code): Added rename_file.
10914 * cpplib.c (do_line): If a filename is given, set file_change to
10916 (output_line_command): If file_change is rename_file, always
10917 output a # directive with the file name.
10919 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
10921 2000-02-26 Mark Mitchell <mark@codesourcery.com>
10923 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
10924 when copying a PARM_DECL or RESULT_DECL.
10926 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10928 * fix-header.c (recognized_function): Also fix prototypes for
10929 functions taking "void".
10931 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10933 * reload1.c (do_output_reload): Check reg_reloaded_valid before
10934 looking at reg_reloaded_contents.
10936 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
10938 * Makefile.in (STMP_FIXINC): New toggle.
10939 (LIBGCC2_DEPS): Delete all references.
10940 (stmp-headers): Delete target. All references either deleted
10941 or changed to stmp-int-headers.
10942 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
10943 (LIBCPP_OBJS): Take out cppalloc.o.
10944 (cppalloc.o): Delete target.
10945 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
10946 (gen-protos, fix-header): Link with libiberty.a.
10947 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
10950 * configure.in: Remove refs to strerror.
10951 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
10952 * system.h: Take out strerror stanza.
10954 * cpperror.c (my_strerror): Delete function.
10955 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
10956 * cppmain.c (main): Call xmalloc_set_program_name first thing.
10957 * cppalloc.c: Delete file.
10958 * gen-protos.c: Don't provide xrealloc.
10960 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
10961 xstrerror throughout.
10963 2000-02-26 Bruce Korb <bkorb@gnu.org>
10965 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
10966 match for DOS headers, too.
10967 * fixinc/inclhack.sh,fixincl.x: Regenerate.
10969 2000-02-26 Geoff Keating <geoffk@cygnus.com>
10971 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
10972 is right for most ELF targets.
10973 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
10974 Let the default file use %U properly.
10975 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
10978 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
10981 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10983 * toplev.c (documented_lang_options): Correct spelling error.
10984 (decode_d_option, decode_f_option, main): Likewise.
10986 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
10988 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
10989 to tell assembler it is permitted to expand large constants.
10991 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
10993 * protoize.c: (AUX_INFO_SUFFIX): New macro.
10994 (aux_info_suffix): Use.
10995 (SAVE_SUFFIX): New macro.
10996 (save_suffix): Use.
10997 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
10998 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
10999 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11001 * invoke.texi (Running Protoize): Update documentation.
11003 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11005 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11007 2000-02-25 John Wehle (john@feith.com)
11009 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11011 2000-02-25 Anthony Green <green@cygnus.com>
11013 * toplev.c (rest_of_compilation): Rebuild jump labels if
11014 combine_instructions has created a new direct jump.
11015 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11017 (combine_instructions): Call try_combine with new argument.
11018 Return non-null value when new direct jump instruction is created.
11019 * rtl.h: combine_instructions returns an int.
11021 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11023 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11024 jump when changing a computed jump into a jump to a known
11027 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11029 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11030 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11032 * i386.md (define_expand "clrstrsi"): Fix typo.
11034 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11036 * rtl.texi: Fix typo.
11038 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11040 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11041 UNITS_PER_WORD. Change caller initial_elimination_offset.
11042 (rounded_frame_size): Take into account that argument pushed has
11043 changed. Fix TARGET_ALIGN_DOUBLE problem.
11045 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11047 * haifa-sched.c (schedule_block): Explain the real reason
11048 we delete REG_SAVE_NOTEs on the first insn of a block.
11049 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11051 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11053 * input.h (push_srcloc): New function.
11054 (pop_srcloc): Likewise.
11055 * toplev.c (push_srcloc): Define it.
11056 (pop_srcloc): Likewise.
11058 2000-02-24 Richard Henderson <rth@cygnus.com>
11060 * flow.c (life_analysis): When collecting reg info, clear
11063 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11065 Fix bug exposed by reload.c no longer rounding the frame
11066 size to BIGGEST_ALIGNMENT:
11067 * sh.c (rounded_frame_size): New function.
11068 (sh_expand_prologue, sh_expand_epilogue): Use it.
11069 (initial_elimination_offset): Likewise.
11071 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11073 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11074 * sh-protos.h (sh_need_epilogue): Declare.
11075 * sh.c (sh_need_epilogue_known): New static variable.
11076 (sh_need_epilogue): New function.
11077 (function_epilogue): Clear need_epilogue_known.
11078 * sh.md (return): Split into expander / insn pattern.
11079 Make the expander conditional on ! sh_need_epilogue ().
11081 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11083 * machmode.h (get_mode_alignment): Declare.
11084 (GET_MODE_ALIGNMENT): Call it.
11085 * stor-layout.c (get_mode_alignment): New function. Make
11086 sure alignment is always power of 2.
11088 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11090 * i386.h: Remove useless definition of "I386" and misleading
11093 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11095 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11096 under which TREE_PERMANENT will be set.
11097 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11098 build1): Use TREE_SET_PERMANENT.
11099 * print-tree.c (print_node): Don't report value of
11100 TREE_PERMANENT if ggc_p is true.
11102 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11103 decide whether to give a type a new alias set.
11104 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11105 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11106 of value of 'obstack'.
11109 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11111 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11113 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11115 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11116 * cpplib.c (cpp_get_token): Produce them.
11117 * cppexp.c (cpp_lex): Handle them.
11119 2000-02-23 Nick Clifton <nickc@cygnus.com>
11121 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11122 comment tests on type attributes.
11124 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11126 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11127 conform to documentation.
11128 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11129 to check for special cases.
11130 * sh-protos.h (sh_loop_align): Declare.
11131 * sh.c (sh_loop_align): Define.
11133 2000-02-22 Andrew Haley <aph@cygnus.com>
11135 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11136 (SIZE_TYPE): Is 32 bits when using -mgp32.
11137 (PTRDIFF_TYPE): Ditto.
11139 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11141 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11143 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11145 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11146 BIGGEST_FIELD_ALIGNMENT a constant.
11148 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11150 * dwarf2out.c (output_line_info): Put the marker for the end of
11151 the line number info at the actual end.
11152 (gen_struct_or_union_type_die): Use decl_function_context
11153 to check for local classes.
11154 * dwarfout.c (output_type): Likewise.
11156 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11158 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11159 for arguments with a mode, but no type.
11160 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11161 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11162 * pa/long_double.h: New file.
11163 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11164 both have 128bit wide long doubles.
11165 * configure: Rebuilt.
11167 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11169 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11171 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11172 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11173 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11175 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11177 * integrate.c (compare_blocks, find_block): Likewise.
11179 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11181 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11183 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11184 expand_asm_operands): Likewise.
11186 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11188 * predict.c (estimate_probability): Added the pointer heuristic to
11189 the collection of static branch predictors.
11191 2000-02-21 Catherine Moore <clm@cygnus.com>
11193 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11194 * invoke.texi (-mfix7000): Document.
11196 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11198 * diagnostic.c (init_output_buffer): Make it possible to output at
11199 least 32 characters if we're given a too long prefix.
11201 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11203 * varasm.c (initializer_constant_valid_p): Call
11204 lang_expand_constant to simplify the constant.
11206 2000-02-20 Bruce Korb <bkorb@gnu.org>
11208 * fixinc/inclhack.def(stdio_va_list):
11209 typedef needs to be disabled.
11210 * fixinc/inclhack.sh: regen
11211 * fixinc/fixincl.x: regen
11213 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11215 * print-rtl.c (print_rtx): Don't print addresses when
11216 flag_dump_unnumbered.
11218 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11220 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11222 (sparc_va_arg, sparc_flat_output_function_prologue,
11223 sparc_flat_output_function_epilogue): Cast value to unsigned in
11225 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11227 * sparc.md: Add default case in switch.
11229 2000-02-19 Richard Henderson <rth@cygnus.com>
11231 * c-typeck.c (add_pending_init): Don't abort for multiple
11232 fields at the same offset.
11233 (pending_init_member): Test the correct member.
11235 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11237 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11239 (start_catch_handler) : Same.
11241 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11243 * Makefile.in: Have flow.o depend on $(EXPR_H)
11245 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11247 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11248 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11249 (finish_decl): Remove -Wlarger-than code from here.
11250 * flags.h (id_clash_len): Now int.
11251 (larger_than_size): Now HOST_WIDE_INT.
11252 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11253 Clean up checking to see if in table.
11254 (make_bit_field_ref): Remove extra parm to bitsize_int.
11255 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11256 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11257 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11258 and for computing size of decl.
11259 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11260 Move -Wlarger-than code to here.
11261 (layout_record): Remove extra arg to bitsize_int.
11262 Set TYPE_BINFO_SIZE_UNIT.
11263 (layout_union): Remove extra arg to bitsize_int.
11264 Use proper type for size of QUAL_UNION.
11265 (layout_type): Remove extra arg to bitsize_int.
11266 * toplev.c (id_clash_len): Now int.
11267 (larger_than_size): Now HOST_WIDE_INT.
11268 (decode_W_option): Clean up id-clash and larger-than- cases.
11269 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11270 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11271 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11272 (struct tree_decl): New field size_unit.
11273 (size_int_wide): No HIGH operand; NUMBER is now signed.
11274 (size_int_2): Deleted.
11275 (size_int, bitsize_int): Don't use it and rework args.
11276 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11278 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11280 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11282 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11284 * invoke.texi (Warning Options): Add an explanation of why
11285 you might want the -Wfloat-equal flag.
11287 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11289 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11290 * cppinit.c (new_pending_define): Add cast to avoid warning.
11291 * expmed.c (extract_bit_field): Likewise.
11292 * flow.c (enum reorder_skip_type): New type.
11293 (skip_insns_between_blcok): New it.
11294 Rework to avoid warning about possibly undefined variable.
11295 * function.c (assign_parms): Make thisparm_boundary unsigned.
11296 * genrecog.c (write_switch): Cast XWINT result to int.
11297 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11298 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11299 one for MIPS and one for Alpha.
11300 (get_tag, copy_object): Add casts to avoid warnings.
11301 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11302 * reload.c (find_reloads): Make TYPE enum reload_type.
11303 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11304 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11305 * varasm.c (compare_constant_1): Add cast to avoid warning.
11306 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11308 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11309 Cast switch operand of size to int.
11310 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11311 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11314 2000-02-18 Nick Clifton <nickc@cygnus.com>
11316 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11317 anything for an alignment of zero.
11319 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11320 anything for an alignment of zero.
11322 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11324 * gcc.texi (Bug Reporting): Refer to bugs.html.
11325 (Bug Lists): Likewise.
11326 * system.h (GCCBUGURL): New preprocessor define.
11327 * rtl.c (fancy_abort): Use it.
11328 * gcc.c (main): Likewise.
11330 2000-02-18 Richard Henderson <rth@cygnus.com>
11332 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11333 (life_analysis_1): Subsume into ...
11334 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11335 Use update_life_info for the relaxation.
11336 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11337 entry and regs_live_at_setjmp.
11338 (set_noop_p): Simplify.
11339 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11340 (record_volatile_insns): Split into ...
11341 (delete_noop_moves): ... here,
11342 (notice_stack_pointer_modification): ... here,
11343 (insn_dead_p): ... and here.
11344 (propagate_block): Don't query INSN_VOLATILE.
11345 (mark_used_regs): Mind !PROP_REG_INFO.
11346 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11347 not in life_analysis.
11349 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11351 * loop.c (canonicalize_condition): New function,
11352 broken out of get_condition.
11353 (get_condition): Use it.
11354 * expr.h (canonicalize_condition): Prototype it.
11356 * tree.h (tree_int_cst_msb): Declare.
11357 * tree.c (tree_int_cst_msb): New function.
11359 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11361 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11364 * invoke.texi (-fmessage-length=n): Document.
11366 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11368 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11370 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11372 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11373 after the prologue.
11375 2000-02-17 Nick Clifton <nickc@cygnus.com>
11377 * config/arm/thumb.c: Replace includes of system headers with
11378 #include "system.h".
11380 2000-02-16 Richard Henderson <rth@cygnus.com>
11382 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11383 Add crtbeginS.o and crtendS.o.
11384 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11385 (ENDFILE_SPEC): Use crtendS.o.
11386 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11388 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11389 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11390 shared and present.
11391 (__dso_handle): New variable.
11392 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11393 bias to __CTOR_END__.
11395 2000-02-16 Richard Henderson <rth@cygnus.com>
11397 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11399 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11401 * longlong.h (__clz_tab): Declare as static to match definition.
11403 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11405 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11406 (XREF_FILE_NAME): Define.
11408 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11409 (EH_FRAME_SECTION_ASM_OP): Define.
11410 (IDENT_ASM_OP): Define.
11411 (TEXT_SECTION_ASM_OP): Define.
11412 (CPP_SPEC): Define.
11413 (CTORS_SECTION_ASM_OP): Define.
11414 (CTOR_SECTION_FUNCTION): Use it.
11415 (DTORS_SECTION_ASM_OP): Define.
11416 (DTOR_SECTION_FUNCTION): Use it.
11418 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11420 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11423 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11424 debug_bb_n): New functions.
11425 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11426 * basic-block.h: Prototype new functions.
11428 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11430 * configure.in: Add support for avr target.
11431 * configure: Rebuilt.
11433 * invoke.texi: Add AVR invocation docs.
11434 * install.texi: Add information about AVR.
11435 * md.texi: Add AVR constraint letters description.
11436 * extend.texi: Add description for AVR specific attributes.
11438 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11440 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11442 2000-02-16 Nick Clifton <nickc@cygnus.com>
11444 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11445 (make_insn_raw): Move RTL check here.
11447 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11449 * version.c: Include gansidecl.h and version.h.
11451 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11453 * configure.in (gcc_version): When setting, narrow search to
11454 lines containing `version_string'.
11456 * Makefile.in (mainversion): Likewise.
11457 (GCC_H): New variable.
11458 (gcc.h): Delete target.
11459 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11460 (version.o): Depend on version.h.
11461 (dbxout.o): Don't depend on gcc.h.
11463 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11464 Michael Meissner <meissner@cygnus.com>
11466 * md.texi (Simple Constraints): Add item about whitespace.
11467 * genoutput.c (strip_whitespace): New.
11468 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11469 strip_whitespace for constraints.
11470 Test pointer using NULL, not 0.
11472 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11474 * cpplib.c (do_line): Pedwarn for #line > 32767.
11476 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11478 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11480 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11481 to default cpp spec.
11482 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11483 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11486 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11489 2000-02-15 Denis Chertykov <denisc@overta.ru>
11491 * configure.in: Add support for avr target.
11493 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11495 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11496 (sh_addr_diff_vec_mode): Don't declare.
11497 * sh.c (sh_addr_diff_vec_mode): Delete.
11499 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11501 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11503 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11505 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11506 (smulsi3_highpart_i): Name.
11507 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11508 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11509 (smulsi3_highpart, umulsi3_highpart): Likewise.
11511 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11512 correctly independent of endianness.
11513 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11514 confuse the optimizers.
11515 (mulsidi3+1, umulsidi3+1): New define_split.
11517 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11519 * config/sh/sh.md: Guard insn splits against illegal registers.
11520 * config/sh/sh.h: Correct comment about macros.
11522 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11523 Andrew MacLeod <amacleod@cygnus.com>
11525 * Makefile.in (lcm.o): Depend on insn-attr.h.
11526 * basic-block.h (optimize_mode_switching): Declare.
11527 * lcm.c (tm_p.h, insn-attr.h): #include.
11528 (seginfo, bb_info): New structs.
11529 (antic, transp, comp, delete, insert) : New file-scope static variables.
11530 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11531 (reg_becomes_live, optimize_mode_switching): Likewise.
11532 * tm.texi: Add description of mode switching macros.
11533 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11535 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11536 (fldi_ok, fpscr_set_from_mem): New prototypes.
11537 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11538 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11539 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11540 (sh_flag_remove_dead_before_cse): Remove declaration.
11541 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11542 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11543 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11544 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11545 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11546 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11547 (fldi_ok): New function.
11548 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11549 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11550 (emit_df_insn): Likewise.
11551 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11552 (sh_flag_remove_dead_before_cse): Delete.
11553 (get_free_reg, fpscr_set_from_mem): New functions.
11554 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11555 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11557 2000-02-15 Loren Rittle <ljrittle@acm.org>
11559 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11561 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11563 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11564 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11566 * cccp.c: Include version.h and/or don't declare `version_string'.
11567 * collect2.c: Likewise.
11568 * alpha.c: Likewise.
11569 * arm/aof.h: Likewise.
11570 * arm/coff.h: Likewise.
11571 * arm/elf.h: Likewise.
11572 * arm/pe.h: Likewise.
11573 * arm/tcoff.h: Likewise.
11574 * arm/telf.h: Likewise.
11575 * arm/tpe.h: Likewise.
11576 * arm/vxarm.h: Likewise.
11577 * convex/convex.c: Likewise.
11578 * i386/dgux.c: Likewise.
11579 * i386/sun386.h: Likewise.
11580 * m88k/m88k.c: Likewise.
11581 * mcore/mcore-pe.h: Likewise.
11582 * mips/mips.h: Likewise.
11583 * romp/romp.h: Likewise.
11584 * sh/sh.c: Likewise.
11585 * cpphash.c: Likewise.
11586 * cppinit.c: Likewise.
11587 * dwarf2out.c: Likewise.
11588 * dwarfout.c: Likewise.
11591 * mips-tfile.c: Likewise.
11592 * protoize.c: Likewise.
11593 * toplev.c: Likewise.
11594 * tree.h: Likewise.
11596 * version.c (version_string): Constify a char*.
11598 * version.h: New file.
11600 2000-02-14 Nick Clifton <nickc@cygnus.com>
11602 * configure.in: Add mcore-elf and mcore-pe targets.
11603 * configure: Regenerate.
11605 * NEWS: Add note that MCore port has been contributed.
11607 * invoke.texi: Document command line switches for MCore port.
11608 * install.texi: Add MCore to list of supported targets.
11610 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11612 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11613 then we will need to import the frame handling functions.
11614 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11615 to import the frames themselves.
11617 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11618 Jason Eckhardt <jle@cygnus.com>
11620 * basic_block.h: Added prototype for reorder_basic_blocks.
11621 * toplev.c: Changes to add -freorder-blocks and graph dump after
11622 block reordering is done.
11623 * flow.c (reorder_block_def): New structure for use during block
11625 (REORDER_BLOCK_*): New macros to access members of above structure.
11626 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11627 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11628 functions for block reordering.
11630 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11632 * gcc.texi (Passes): Fix typo.
11633 * md.texi (Standard Names): Ditto.
11634 * tm.texi (Storage Layout): Ditto.
11636 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11638 * cpplib.c (do_define): Only free the old definition if it
11641 2000-02-13 Neil Booth <NeilB@earthling.net>
11643 * cppfiles.c (read_and_prescan): When emitting deferred
11644 newlines, test speccase[] again instead of checking each
11645 possible whitespace character in turn. When we encounter \r,
11646 look behind for \n first, then ahead.
11648 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11650 * cse.c (cse_altered): New internal flag.
11651 (cse_insn): Set it if we changed an insn.
11652 (cse_main): Clear cse_altered before each basic block.
11653 Only garbage collect if cse_altered is true afterward.
11655 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11657 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11659 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11661 * combine.c (simplify_comparison): Fix typo.
11663 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11665 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11668 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11670 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11671 previously inserted node instead of root node. Caller changed.
11673 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11675 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11677 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11679 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11680 __dereg_frame_dtor): Add prototype argument.
11682 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11684 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11686 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11688 * gthr-vxworks.h (__gthread_once): Likewise.
11690 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11692 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11694 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11695 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11696 stack pointer in functions w/o saved registers, output LEAVE more often
11697 on TARGET_USE_LEAVE machines.
11699 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11701 * config/arm/arm.c (arm_init_cumulative_args); New function:
11702 Initlaise the CUMULATIE_ARGS strcuture for a function
11704 (arm_function_arg): New function: Determine where to place a
11705 function's argument. Also handles deciding the function's
11707 (current_file_function_operand): New function: Return true if
11708 the symbol is a function which has already been compiled.
11709 (arm_is_long_call_p): New function: Return true if the
11710 indicated function should be called via a long call.
11711 (arm_valid_type_attribute_p): New function: Return true if the
11712 attribute is a valid, arm specific, attribute.
11713 (arm_comp_type_attribute): New function: Return true if the
11714 two types have compatable, arm specific, attributes.
11716 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11718 (FUNCTION_ARG): Redefine to call arm_function_arg.
11719 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11721 (INIT_CUMULATIVE_ARGS): Redefine to call
11722 arm_init_cumulative_args.
11723 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11725 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11727 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11729 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11730 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11731 (COMP_TYPE_ATTRIBUTES): Define.
11733 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11734 if a long call is needed.
11735 (call_value): Call arm_is_long_call_p to decide if a long call
11737 (call_symbol): Call arm_is_long_call_p to decide if a long call
11740 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11742 2000-02-11 Denis Chertykov <denisc@overta.ru>
11744 * README.AVR: New file with information about the avr ports.
11745 * config/avr: New directory with avr port files.
11747 2000-02-11 Andreas Jaeger <aj@suse.de>
11749 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11751 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11753 * cpphash.c: Fix formatting, update commentary.
11754 (dump_definition): Take three separate arguments instead of a
11755 MACRODEF structure argument.
11756 * cpphash.h: Update prototype of dump_definition.
11757 * cppinit.c (cpp_finish): Update call of dump_definition.
11759 * cpplib.c (do_define): Always create new hash entry with
11760 T_MACRO type. Remove redundant check for redefinition of
11761 poisoned identifier. Update call of dump_definition.
11762 (do_undef): Don't call check_macro_name. Rename sym_length to
11764 (do_error, do_warning): Don't use copy_rest_of_line or
11766 (do_warning): Don't use pedwarn for the actual warning,
11767 only the notice about its not being in the standard. (Fixes
11768 bug with #warning in system headers.)
11769 (do_ident): Stricter argument checking - accept only a single
11770 string after #ident. Also, macro-expand the line.
11771 (do_xifdef): Use cpp_defined. De-obfuscate.
11773 (do_pragma): Split out specific pragma handling to separate
11774 functions. Use get_directive_token. Update commentary. Do
11775 not pass on #pragma once or #pragma poison to the front end.
11776 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11777 do_pragma_default): New.
11779 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11781 * jump.c (jump_optimize_1): The first operand in a relational
11782 can be a CONST_INT.
11783 * optabs.c (emit_conditional_move): Handle relationals which
11784 have a known true/false result.
11786 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11788 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11789 a RETURN insn into a block which already ends with a jump.
11791 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11793 * haifa-sched.c (BUF_LEN): Increase a lot.
11795 2000-02-11 Nick Clifton <nickc@cygnus.com>
11797 * configure.in: Add tm_p_file specification for thumb targets.
11798 * configure: Regenerate.
11800 * config/arm/thumb-protos.h: New file: Prototypes for exported
11801 functions defined in thumb.c.
11803 2000-02-11 Robert Lipe <robertl@sco.com>
11805 * Makefile.in (bootstrap-lean): Remove additional files.
11806 (bootstrap2-lean): Likewise.
11807 (VOL_FILES): List of files for above.
11809 2000-02-11 Nathan Sidwell <nathan@acm.org>
11811 * cpphash.c (special_symbol): Remove spurious argument to
11814 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11816 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11818 * configure: Rebuilt.
11820 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11822 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11824 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11826 * pa.c, pa.h: Remove trigraph sequences within comments.
11828 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11830 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11832 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11834 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11836 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11838 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
11840 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11842 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
11843 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
11844 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
11845 (ASM_FILE_END): Use c4x_file_end.
11846 * config/c4x/c4x.c (c4x_global_label): New function.
11847 (c4x_external_ref, c4x_file_end): Likewise.
11849 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
11850 (c4x_external_ref, c4x_end_file): Likewise.
11852 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
11854 * cppexp.c: Don't include cpphash.h.
11855 (parse_charconst, cpp_lex): Use cpp_defined.
11856 (cpp_lex): Use get_directive_token throughout. Remove
11857 unnecessary cases from switch. Move assertion-handling code
11858 down to OTHER case.
11859 (cpp_parse_expr): If we see '+' or '-', check the context to
11860 determine if they are unary or binary operators. Streamline
11861 the jumps a bit. Do not call skip_rest_of_line.
11863 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
11864 static. Export get_directive_token. Update commentary.
11865 (cpp_defined): New function.
11866 (do_define): Remove reference to T_PCSTRING. Call
11867 free_definition to release memory for old definition, when
11868 redefining a macro.
11869 (eval_if_expression): Set only_seen_white to 0 before calling
11870 cpp_parse_expr. Call skip_rest_of_line after it returns.
11871 (cpp_read_check_assertion): Don't preserve a pointer into the
11872 token buffer across a call to cpp_get_token.
11874 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
11875 * cppfiles.c (redundant_include_p): Use cpp_defined.
11876 * cpphash.c (free_definition): New function.
11877 (delete_macro): Use it. Update commentary.
11878 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
11880 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
11881 from enum node_type. Prototype cpp_defined and get_directive_token.
11882 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
11884 * fix-header.c (check_macro_names): Use cpp_defined.
11885 (read_scan_file): Set inhibit_warnings and inhibit_errors in
11886 the options structure.
11888 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11890 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
11892 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
11894 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
11895 rather than die->die_tag.
11897 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11899 * combine.c (make_extraction, force_to_mode): Avoid warning on
11900 mixed-signedness conditionals.
11901 (make_field_assignment, nonzero_bits): Likewise.
11902 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
11903 (store_split_bit_field, extract_split_bit_field): Likewise.
11904 (extract_fixed_bit_field, store_bit_field,
11905 * expr.c: Change alignment to be unsigned everywhere.
11906 (move_by_pieces, store_constructor_field, store_constructor):
11907 Alignment parm is unsigned.
11908 (emit_block_move, emit_group_load, emit_group_store): Likewise.
11909 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11910 (do_compare_rtx_and_jump): Likewise.
11911 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
11912 Compare align with GET_MODE_ALIGNMENT.
11913 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
11914 (get_inner_reference): Likewise.
11915 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
11916 (expand_assignment): Local vars for alignment now unsigned.
11917 (store_constructor, store_field, expand_expr, do_jump): Likewise.
11918 (do_compare_and_jump): Likewise.
11919 (store_field): Call new function expr_align.
11920 * expr.h (emit_block_move, emit_group_load, emit_group_store):
11921 Alignment arg now unsigned.
11922 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
11923 (do_compare_rtx_and_jump, store_bit_field): Likewise.
11924 (extract_bit_field): Likewise.
11925 * fold-const.c (add_double): Add cast to eliminate signedness warning.
11926 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
11927 (get_best_mode): Alignment arg is unsigned.
11928 * rtl.h (move_by_pieces): Likewise.
11929 * store-layout.c (maximum_field_alignment, set_alignment):
11931 (layout_decl): Alignment arg is now unsigned.
11932 Remove unneeded casts.
11933 (layout_record, layout_union, layout_type): Remove unneeded casts.
11934 Local alignment variables now unsigned.
11935 (get_best_mode): Alignment arg now unsigned.
11936 * tree.c (expr_align): New function.
11937 * tree.h (expr_align): Likewise.
11938 (maximum_field_alignment, set_alignment): Now unsigned.
11939 (get_inner_reference): Alignment argument is now pointer to unsigned.
11940 * varasm.c (assemble_variable): Add cast to eliminate warning.
11942 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
11944 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
11945 then store directly into op0.
11947 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
11948 the CALL_INSN, and emit the note immediately after it.
11950 2000-02-10 Nick Clifton <nickc@cygnus.com>
11952 * config/arm/thumb.md (epilogue): Include a (return) in the
11953 generated insn, and emit it using emit_jump_insn not
11956 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
11958 * function.c (assign_temp): Change zero-sized arrays to size 1.
11959 * integrate.c (expand_inline_function): Do not update
11960 stack_alignment_needed
11961 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
11962 add some sanity checking, remove optimization for function with
11965 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11967 * flow.c (mark_regs_live_at_end): Delete unused variables.
11969 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
11971 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
11972 in macro FRAME_GROWS_DOWNWARD.
11974 * stmt.c (expand_end_bindings): Delete unused variable.
11976 * unroll.c (iteration_info): Mark parameter `loop' with
11979 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11981 * fixinc/server.c (load_data): Return NULL if the marker line is
11983 (run_shell): If load_data returns NULL, retry the command once, in
11986 * configure: Rebuilt.
11988 2000-02-09 Bruce Korb <bkorb@gnu.org>
11990 * gcc/fixincludes: ** DELETED **
11991 * gcc/fixcpp: ** DELETED **
11992 * gcc/fixinc-nt.sed: ** DELETED **
11993 * gcc/just-fixinc: ** DELETED **
11994 * gcc/Makefile.in: Removed out-dated commentary
11995 * gcc/configure.in: Removed fast-fixincludes disablement.
11996 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
11998 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11999 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12002 2000-02-09 Richard Henderson <rth@cygnus.com>
12004 * jump.c (delete_insn): Don't delete user labels at -O0.
12006 2000-02-09 Robert Lipe <robertl@sco.com>
12008 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12009 Don't link with HOST_LIBS.
12011 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12013 * configure.in: Correct --help text for --with-dwarf2.
12014 Put tm-dwarf2.h after other tm files, if it's requested.
12015 * configure: Regenerate.
12016 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12019 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12021 * cpplib.h: Provide HASHNODE typedef and forward decl of
12022 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12023 DEFINITION, struct hashnode, struct macrodef, struct
12024 definition, scan_decls prototype, default defn of
12025 INCLUDE_LEN_FUDGE moved elsewhere.
12027 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12028 definition, and struct hashnode moved here. Remove the unused
12029 'predefined' field from struct definition. Replace the 'args'
12030 union with its sole member. All users updated (cpphash.c).
12031 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12032 multiple include guard.
12034 * cpphash.c (hashf): Make static; use better algorithm; drop
12035 HASHSIZE parameter; return an unsigned int.
12036 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12037 used. Calculate HASHSIZE modulus here.
12038 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12040 (create_definition): Drop PREDEFINITION parameter.
12041 * cpplib.c (do_define): Don't calculate a hash value here.
12042 Don't pass (keyword == NULL) to create_definition.
12044 * scan.h: Prototype scan_decls here.
12045 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12046 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12047 callers of cpp_lookup and cpp_install updated.
12049 * cpphash.c (macarg): Hoist all the flag diddling out of the
12051 (macroexpand): ... and out of the loop that calls macarg.
12052 Skip over the initial paren before macro arguments with
12053 cpp_get_non_space_token; point may be some distance before
12054 that paren. Abort if it's not there.
12056 * cpplib.c (parse_clear_mark): Delete function.
12057 (parse_set_mark, parse_goto_mark): Make static.
12058 (ACTIVE_MARK_P): New macro.
12059 (skip_block_comment, skip_line_comment): Do not bump the line
12060 if ACTIVE_MARK_P is true.
12061 (cpp_pop_buffer): The buffer to be popped may not have an
12063 (cpp_get_token): When looking for the initial paren before
12064 macro arguments, only set a mark in a file buffer, Always
12065 return to that mark before proceeding to call macroexpand or
12066 return a NAME token.
12068 * cpplib.h: Remove prototypes of parse_set_mark,
12069 parse_clear_mark, parse_goto_mark.
12070 (struct cpp_options): Rename 'put_out_comments' to
12071 'discard_comments' and invert its sense.
12072 * cppinit.c, cpphash.c, cpplib.c: All users of
12073 put_out_comments changed to use discard_comments, with
12076 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12078 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12079 the edge from a block that both jumps and falls through to the
12082 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12084 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12085 constant source address is legitimate.
12087 2000-02-09 Philip Blundell <pb@futuretv.com>
12089 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12092 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12094 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12096 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12098 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12099 ends with a newline and a NUL. Don't be so clever manipulating
12102 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12104 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12105 not to BIGGEST_ALIGNMENT.
12107 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12109 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12110 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12111 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12112 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12113 * frame.c (execute_cfa_insn): Handle
12114 DW_CFA_GNU_negative_offset_extended.
12116 2000-02-08 Richard Henderson <rth@cygnus.com>
12118 * flow.c (tidy_fallthru_edges): Split out from ...
12119 (delete_unreachable_blocks): ... here.
12120 (find_basic_blocks): Use it.
12122 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12124 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12126 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12128 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12129 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12130 (fix-header.o): Don't depend on cpphash.h.
12132 * scan.c (hashstr): New function.
12133 * scan.h: Prototype it.
12134 * fix-header.c: Don't include cpphash.h. Use hashstr.
12135 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12136 hashstr. Report hash table statistics. Add private
12137 definition of xrealloc.
12139 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12141 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12143 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12145 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12146 jumps with returns unless they are jumps to the fallthru block.
12148 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12150 * i386.md (addqi3_cc): Fix contraints.
12152 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12154 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12156 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12158 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12159 carriage return after a macro name.
12161 2000-02-07 Fred Fish <fnf@be.com>
12163 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12164 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12166 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12168 * cppfiles.c (deps_output): Count spacers in deps_column.
12170 2000-02-07 Neil Booth <NeilB@earthling.net>
12172 * cppinit.c (initialize_dependency_output): If there is no
12173 suffix, don't try to look for known suffixes. Use strrchr.
12174 (cpp_start_read): Remove duplicate initialization.
12176 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12178 * calls.c (compute_argument_block_size): New argument
12179 preferred_stack_boundary.
12180 (expand_call): update cfun->preferred_stack_boundary, update call of
12181 compute_argument_block_size
12182 (emit_library_call): Increate cfun->preferred_stack_boundary
12183 to PREFERRED_STACK_BOUNDARY
12184 (emit_library_call_value): Likewise.
12185 * explow.c (allocate_dynamic_stack_spave): Likewise.
12186 * function.c (prepare_function_start): Set
12187 cfun->preferred_stack_boundary
12188 * function.h (struct function): Add preferred_stack_boundary field.
12189 * integrate.c (expand_inline_function): Update
12190 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12191 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12192 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12194 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12196 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12197 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12198 cpp_pedwarn, cpp_pedwarn_with_line,
12199 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12200 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12201 v_cpp_error_with_line, v_cpp_warning_with_line,
12202 cpp_message_from_errno, cpp_perror_with_name): Delete.
12204 * cpperror.c (cpp_print_containing_files): Take starting
12205 buffer as argument.
12206 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12207 (v_cpp_message): Now called directly by all entry points.
12209 (cpp_pfatal_with_name, cpp_message): Delete.
12210 (cpp_notice_from_errno, cpp_ice): New functions.
12211 (cpp_notice): Is now for reporting error conditions, just
12212 without an associated file.
12213 (cpp_error, cpp_error_with_line): Don't do anything if
12214 opts->inhibit_errors is on.
12215 (cpp_pedwarn_with_file_and_line): Take column argument also.
12217 * cpplib.h: Update prototypes of exported functions.
12218 (struct cpp_options): Add inhibit_errors.
12220 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12221 non-error messages. Include intl.h.
12223 * cppinit.c, cppmain.c: Likewise. Also, use
12224 cpp_notice_from_errno instead of cpp_perror_with_name or
12225 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12227 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12228 report internal errors.
12230 * cpplib.c (do_define): Switch bcopy to memcpy.
12231 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12233 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12234 bail out early if we hit a line comment.
12236 2000-02-06 Richard Henderson <rth@cygnus.com>
12238 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12239 * basic-block.h: Declare them.
12240 * emit-rtl.h (active_insn_p): New.
12241 (next_active_insn, prev_active_insn): Use it.
12242 * rtl.h: Declare it.
12243 * function.c (emit_return_into_block): New.
12244 (thread_prologue_and_epilogue_insns): Insert return insns instead
12245 of epilogues when possible.
12246 * jump.c (jump_optimize_1): Remove code to insert a return insn
12247 on the fallthru to the exit block.
12249 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12250 and for non-empty stack frames.
12251 * i386.md (return): Expand to return-pop as needed.
12253 2000-02-06 Richard Henderson <rth@cygnus.com>
12255 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12256 constant to op1 for testing.
12258 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12260 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12261 (fixuns_truncqfqi2): Use it.
12263 2000-02-06 Richard Henderson <rth@cygnus.com>
12265 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12266 as a TYPE_LEA insn.
12268 * i386.md (widening and peepholes): Mask the constant instead of
12271 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12273 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12274 input pointer before possibly branching off to the backslash
12276 * cpphash.c (macroexpand): Correctly delete \r escapes when
12277 stringifying parameters.
12278 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12279 if we can; bail out early if we hit a line comment.
12280 (handle_directive): Treat '# 123' in an .S file just like
12281 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12282 Return 1 for '# not_a_directive'.
12283 (get_directive_token): Pop macro buffers here, so that
12284 cpp_get_token can't sneakily move past a newline.
12286 (cpp_get_token): goto randomchar if handle_directive returns 0.
12288 * cppalloc.c: Update copyright.
12289 * cpplib.c: Merge all the static function prototypes into one
12291 * cpplib.h: Remove #if 0 block.
12293 * cpperror.c: Remove #ifdef EMACS block.
12294 * cppmain.c: Likewise.
12295 * cpphash.c: Remove #if 0 blocks.
12296 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12297 * cpplib.c: Remove #if 0 blocks and code referencing
12298 pcp_inside_if or for_lint. Remove duplicate error message.
12299 Fix error messages for #else after #else or #elif. Reformat.
12300 Remove archaic TODO list.
12301 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12303 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12305 * i386/osf1elf.h: Add missing backslash to multiline string.
12307 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12309 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12311 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12313 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12315 * c-common.c: Include expr.h.
12317 * c-pragma.c (mark_align_stack): Add prototype.
12319 * caller-save.c (add_stored_regs): Likewise.
12321 * combine.c (record_promoted_value): Likewise.
12323 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12326 * cppinit.c (new_pending_define): Likewise.
12328 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12330 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12331 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12332 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12333 class_scope_p): Likewise.
12335 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12336 dwarf2out_add_library_unit_info): Likewise.
12338 * ggc.h (ggc_page_print_statistics): Likewise.
12340 * haifa-sched.c (propagate_deps): Likewise.
12342 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12344 * rtl.h (set_stack_check_libfunc): Likewise.
12346 * toplev.h (set_fatal_function): Likewise.
12348 * toplev.c (set_fatal_function): Delete prototype.
12350 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12352 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12354 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12355 (FUNC_END): Likewise.
12357 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12359 * caller-save.c: Include tm_p.h.
12361 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12363 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12365 2000-02-04 Neil Booth <NeilB@earthling.net>
12367 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12370 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12372 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12373 * genflags.c: Use the max_operand_1 logic from genemit.c to
12374 calculate how many arguments gen_insn prototypes have. Remove
12375 NO_MD_PROTOTYPES ifdefs from the generated file.
12376 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12377 file. Cast gen_insn initializers to insn_gen_fn.
12378 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12379 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12381 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12383 * fixinc/Makefile.in (HDR): Add machname.h.
12386 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12388 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12389 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12390 (c4x_cpu_version): Ditto.
12391 * config/c4x/c4x-protos.h: ... here.
12393 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12395 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12396 gen_abstract_function on our context if we're a nested function.
12398 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12400 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12401 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12403 2000-02-04 Bruce Korb <bkorb@gnu.org>
12405 * fixinc/genfixes(machname.h):
12406 Move the functionality from gen-machine.h into this file.
12407 UNdef MN_NAME_PAT if there are no names to change.
12408 Also, be a little kinder when AutoGen is not present.
12410 * fixinc/Makefile.in(machname.h):
12411 Change the generation rule to use genfixes.
12413 * fixinc/fixfixes.c(machine_name):
12414 machine_name_fix's functionality now dependent upon whether
12415 MN_NAME_PAT is defined.
12417 * fixinc/fixtests.c(machine_name):
12420 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12423 * fixinc/fixlib.h(mn_get_regexps):
12426 * fixinc/gen-machine.h: DELETED
12428 2000-02-04 Jan Hubicka <jh@suse.cz>
12429 Richard Henderson <rth@cygnus.com>
12431 * i386.c (SAVE_REGS_FIRST): Remove.
12432 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12433 (ix86_compute_frame_size): Likewise.
12434 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12435 (ix86_emit_restore_regs): Remove.
12436 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12437 when a frame pointer is in use.
12438 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12439 instead of pop to restore a register when profitable; emit leave
12441 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12442 as a TYPE_LEA insn.
12443 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12444 * i386.md (prologue_allocate_stack): Remove.
12445 (epilogue_deallocate_stack): Remove.
12446 (pro_epilogue_adjust_stack): New.
12448 2000-02-04 Richard Henderson <rth@cygnus.com>
12450 * function.c (diddle_return_value): Rework to use a callback function.
12451 Use current_function_return_rtx if it's been set up.
12452 (do_clobber_return_reg, clobber_return_register): New.
12453 (do_use_return_reg, use_return_register): New.
12454 (expand_function_end): Use them.
12455 * stmt.c (expand_null_return): Likewise.
12456 * function.h: Declare them.
12457 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12458 (mark_reg): Change arguments as appropriate for callback.
12459 * integrate.c (expand_inline_function): Revert 19 Jan change.
12461 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12463 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12464 (Misc): Say the scheduler, not the Haifa scheduler.
12466 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12468 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12469 when in_mem is set. Update all callers.
12471 2000-02-04 Richard Henderson <rth@cygnus.com>
12473 * i386/openbsd.h (INT_ASM_OP): Define.
12475 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12477 * tm.texi: Fix various typos.
12479 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12481 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12482 (MD_STARTFILE_PREFIX_1): New macro.
12484 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12486 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12487 destination when needed.
12488 (strmovsi, strsetsi): New expander.
12489 (strmovsi_1, strsetsi_1): New pattern.
12490 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12491 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12492 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12493 * invoke.texi (align-stringops, inline-all-stringops): Document.
12495 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12497 * i386/netbsd.h (INT_ASM_OP): Define.
12499 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12501 * cpplib.h (cpp_reader): Add new flag, no_directives.
12502 * cpphash.c (macarg): Set it.
12503 * cpplib.c (handle_directive): If no_directives is on and we
12504 find a directive, issue an error and discard the line.
12506 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12508 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12509 FP constants. Add ! TARGET_FPU check for FP constants.
12511 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12513 * flow.c (find_basic_blocks): Don't kill label_value_list
12515 (cleanup_cfg): Kill it here.
12517 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12519 * expr.c (store_field): Ensure ALIGN is no stricter than the
12522 2000-02-02 Richard Henderson <rth@cygnus.com>
12524 * jump.c (delete_insn): Partially revert 19 Jan change;
12525 don't convert unused code labels to notes at -O0.
12527 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12529 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12530 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12532 2000-02-01 Richard Henderson <rth@cygnus.com>
12534 * i386.c (general_no_elim_operand): New.
12535 (nonmemory_no_elim_operand): New.
12536 (ix86_expand_move): Copy eliminable operands before a push.
12537 * i386-protos.h: Declare new functions.
12538 * i386.h (CAN_ELIMINATE): Simplify.
12539 (PREDICATE_CODES): Update.
12540 * i386.md (push insns): Don't allow eliminable register operands.
12542 2000-02-01 Richard Henderson <rth@cygnus.com>
12544 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12545 replace BLKmode with DECL_RTL's mode.
12547 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12549 * frame.c (find_fde): Convert for loop to do-while so compiler
12550 sees it's always executed at least once.
12551 * libgcc2.c (BBINBUFSIZE): Kill.
12552 (__bb_init_prg): Use fgets.
12553 (__bb_exit_trace_func): Don't paste strings.
12554 * unroll.c (unroll_loop): Initialize unroll_type, not
12555 unroll_number, and tweak logic to match.
12557 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12559 (ix86_flags_dependant): Likewise. Disentangle control flow.
12560 (ix86_sched_reorder): Break guts out to
12561 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12562 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12565 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12566 use string concatenation. Don't save and restore esi.
12568 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12569 (machname.h): Remove script to separate file. Use two-step
12570 sequence so target is not created if script fails.
12571 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12572 identifiers are defined.
12573 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12574 an empty string, machine_name doesn't need to do anything at
12576 (is_cxx_header): Add more cases to regexp.
12577 * fixinc/fixlib.h: Update prototype.
12578 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12580 * fixinc/fixincl.c: Define NO_BOGOSITY.
12582 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12583 (hp_sysfile): Add missing comma.
12584 (math_exception): Put the wrapper ifdefs at the beginning and
12585 the end of the file.
12586 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12588 2000-02-01 Richard Henderson <rth@cygnus.com>
12590 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12591 Use CONST0_RTX. Update all callers.
12592 * sparc.h, sparc-protos.h: Update accordingly.
12593 * sparc.md (fp mov insns): Use fp_zero_operand directly
12596 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12598 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12601 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12603 * Makefile.in (specs.ready): New target.
12604 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12606 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12608 * fixinc.irix: Use unique filenames for writing into /tmp,
12609 * fixinc.ptx: Likewise.
12610 * fixinc.sco: Likewise.
12611 * fixinc.svr4: Likewise.
12612 * fixinc.winnt: Likewise.
12614 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12616 * tsystem.h: New file.
12618 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12619 s-crtS): Depend on tsystem.h.
12621 * crtstuff.c: Include tsystem.h.
12622 * frame.c: Likewise.
12623 * libgcc2.c: Likewise.
12625 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12627 * builtins.c (expand_builtin_memset): Expand for variable sized
12630 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12632 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12635 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12637 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12639 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12641 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12643 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12644 case 3->2 combining (combining with splitting) in which 2 is CC0
12645 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12646 checked at the begining of the function with the aid of calling
12647 function 'can_combine_p'.
12649 2000-01-31 Dave Brolley <brolley@redhat.com>
12651 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12653 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12655 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12658 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12660 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12662 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12665 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12667 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12668 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12669 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12670 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12671 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12672 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12673 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12674 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12675 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12676 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12678 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12679 Add %(cpp_cpu) to CPP_SPEC.
12681 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12682 Add %(cc1_cpu) to CC1_SPEC.
12684 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12686 * c-decl.c (c_decode_option): Accept optional numeric argument to
12687 -Wformat and set warn_format.
12688 * c-common.c: Don't emit warning about non-constant printf format
12689 string unless warn_format > 1.
12691 2000-01-30 Richard Henderson <rth@cygnus.com>
12693 * alpha.md (return_internal): Allow after reload only.
12695 2000-01-30 Richard Henderson <rth@cygnus.com>
12697 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12698 local frame size is zero.
12700 2000-01-30 Richard Henderson <rth@cygnus.com>
12702 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12703 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12704 * alpha.md (return): Turn into an expander.
12705 (return_internal): Don't use $26.
12706 (epilogue): Emit the return insn.
12708 2000-01-30 Richard Henderson <rth@cygnus.com>
12710 * alpha.md (negtf2, abstf2): Fix word order thinko.
12711 (extendsftf2): New.
12712 (trunctfsf2): Avoid intermediate rounding errors.
12714 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12716 * cppfiles.c (find_position): Drop 'colp' argument, return the
12718 (read_and_prescan): Adjust to match. Don't ever manipulate
12719 line or line_base except via find_position.
12721 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12723 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12724 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12727 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12729 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12730 just print "<command line>". If 'filename' is null or an
12731 empty string, print "<stdin>" for the filename.
12732 * cpplib.c (do_define): Don't print the 'location of the
12733 previous definition' message if we're still parsing the
12735 (cpp_pedwarn_with_file_and_line): Always call
12736 cpp_file_line_for_message.
12738 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12740 * flow.c (mark_regs_live_at_end): Fix typo.
12742 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12744 * c-common.c: Adjust variable names, comments, help strings to c99.
12745 * c-lex.c: Likewise.
12746 * c-parse.y: Likewise.
12747 * c-tree.h: Likewise.
12748 * cccp.c: Likewise.
12749 * cpplib.h: Likewise.
12750 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12751 * cppinit.c: Likewise.
12753 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12755 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12756 * c4x.c: Define the optab rtx values.
12757 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12758 (c4x_emit_libcall): Use new optab rtx values.
12759 (c4x_emit_libcall3): Likewise.
12760 (c4x_emit_libcall_mulhi): Likewise.
12761 * c4x-protos.h: Add prototypes for optab rtx values and change
12762 prototypes for above c4x_emit_libcall functions.
12764 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12766 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12768 (c4x_function_prologue): Use regnames intead of float_reg_names when
12770 (c4x_function_epilogue): Likewise.
12771 (c4x_print_operand): Likewise.
12772 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12773 * c4x.md (set_high): Disable for TARGET_TI.
12775 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12777 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12778 of framepointer + constant to ADDR_REGS class.
12779 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12780 * c4x.c (std_or_reg_operand): New function.
12781 * c4x-protos.h (std_or_reg_operand): Prototype it.
12783 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12785 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12786 object names as libgcc2.c.
12787 * libgcc.S: Use newly defined names.
12789 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12790 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12792 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12793 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12794 (FLOW_LOOP_LAST_BLOCK): Likewise.
12796 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12798 * basic-block.h (struct loop): New fields 'first' and 'last'.
12799 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12800 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12801 and loop->last to check for NOTE_INSN_LOOP_END.
12803 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12805 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12806 of the loop descriptor rather than HEADER and LATCH. Also added
12807 missing break statements as well making some coding style modifications
12808 as suggested by Michael Hayes.
12810 2000-01-28 Richard Henderson <rth@cygnus.com>
12812 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12813 Break out that code ...
12814 (cleanup_cfg): ... here.
12815 (commit_one_edge_insertion): Detect a return instruction being
12816 emitted to an edge. Emit a barrier following; clear fallthru.
12817 (commit_edge_insertions): Verify CFG consistency.
12818 * function.c (expand_function_start): Kill unused variable.
12819 (expand_function_end): Likewise.
12820 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12821 to insert the epilogue.
12823 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12824 (delete_null_pointer_checks): Likewise.
12825 * output.h: Likewise.
12826 * reg-stack.c (reg_to_stack): Likewise.
12827 * toplev.c (rest_of_compilation): Likewise. Run
12828 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12830 2000-01-28 Richard Henderson <rth@cygnus.com>
12832 * Makefile.in (flow.o): Revert 24 Jan change.
12833 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12834 FUNCTION_VALUE result to DECL_RESULT's mode.
12836 * haifa-sched.c (schedule_insns): Don't recompute reg info
12839 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
12841 * configure.in: Make --enable-cpplib the default.
12842 * configure: Regenerate.
12843 * gcc.dg/990119-1.c: No longer expected to fail.
12845 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
12847 * jump.c (jump_optimize_1): Delete an optimization that is also done
12848 by merge_blocks in flow.
12850 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12852 * diagnostic.c (build_message_string, output_printf,
12853 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
12854 (build_location_prefix): Fix non-literal format string.
12856 2000-01-27 Richard Henderson <rth@cygnus.com>
12858 * alpha.md (trunctfsf2): New.
12860 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
12862 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
12864 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12866 * cppinit.c (cpp_handle_option): Recognize C++ comments under
12868 * cpplib.c (skip_block_comment, skip_line_comment): Split code
12870 (skip_comment) ... here. Permit C++ comments in system
12871 headers always. Warn about C++ comments in user code under
12872 -std=gnu89 -pedantic.
12873 (copy_comment): Use skip_comment.
12874 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
12876 (consider_directive_while_skipping, do_else, do_endif): Call
12877 validate_else unconditionally.
12878 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
12879 text after the conditional in a system header.
12880 * cpplib.h (struct cpp_buffer): Add flag
12881 warned_cplusplus_comments.
12883 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12885 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
12886 Use unshare_all_rtl_1.
12887 (unshare_all_rtl_again): New function.
12888 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
12890 * function.c (purge_addressof_1): Use unshare_all_rtl_again
12891 rather than resetting the 'used' flags ourself.
12893 * toplev.c (rest_of_compilation): Add current_function_decl
12894 to the unshare_all_rtl call.
12895 * tree.h: Prototype unshare_all_rtl.
12896 * rtl.h: Prototype unshare_all_rtl_again here.
12898 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
12900 * genoutput.c (output_prologue): Include ggc.h in generated
12902 * Makefile.in (insn-output.o): Depends on ggc.h.
12904 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
12905 Hans-Peter Nilsson <hp@bitrange.com>
12907 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
12908 Remove redundant include of xm-ns32k.h.
12909 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
12910 Remove redundant include of xm-ns32k.h.
12911 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
12912 Remove redundant include of xm-ns32k.h.
12913 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
12915 * ns32k/ns32k.h: Update comment on multiply-add instructions.
12916 (TARGET_SWITCHES): Add documentation strings.
12917 (DWARF_FRAME_REGNUM): Override default definition.
12918 (REG_CLASS_CONTENTS): Add comments.
12919 (SUBSET_P): Format to reduce line length.
12920 (SMALL_REGISTER_CLASSES): Make a run time option.
12921 (GO_IF_NONINDEXED_ADDRESS): Reformat.
12922 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
12923 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
12924 (regclass_map): fix typo in comment.
12925 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
12926 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
12927 (trace, reg_or_mem_operand): Delete, unused function.
12928 (calc_address_cost): Small offsets are cheaper than large ones.
12929 (expand_block_move): Generate more efficient code when bytes is a
12930 known at compile time.
12931 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
12932 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
12933 instead of reg_or_mem_operand.
12935 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
12936 not general_operand. Similarly use "=rm" or stricter, not "=g".
12937 For input operands, use stricter constraints than "g" if not
12938 general_operand. Similarly use stricter predicate than
12939 "general_operand" when stricter constraints than "g" are present,
12940 except for matching constraints.
12941 (movstrsi): Use "memory_operand" for operands 0 and 1.
12942 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
12943 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
12944 not reg_or_mem_operand.
12945 (udivmoddisi4): Ditto.
12946 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
12947 Use nonimmediate_operand for operand 3, not register_operand.
12948 (udivmoddiqi4_internal): Use register_operand for operand 1, not
12949 reg_or_mem_operand.
12951 2000-01-27 Fred Fish <fnf@be.com>
12953 * gthr-posix.h: Fix typo; compatibily -> compatibility.
12954 * gthr-single.h: Likewise.
12955 * gthr-solaris.h: Likewise.
12956 * gthr-vxworks.h: Likewise.
12957 * gthr-win32.h: Likewise.
12958 * gthr.h: Likewise.
12960 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
12962 * cppinit.c: Add " (cpplib)" to end of string printed by
12965 2000-01-27 Richard Henderson <rth@cygnus.com>
12967 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
12968 testing for a signed comparison.
12969 (alpha_emit_floatuns): New.
12970 * alpha-protos.h: Declare it.
12971 * alpha.md (floatunsdisf2, floatunsdidf2): New.
12972 (extendsfdf2): Tidy.
12974 2000-01-27 Jakub Jelinek <jakub@redhat.com>
12976 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
12977 no -g option specifying debugging format, default to -gstabs+.
12979 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12981 * calls.c (special_function_p): New argument fork_or_exec.
12982 (expand_call): When profile_arc_flag is set and the function
12983 is in the fork_or_exec group, call __bb_fork_func first.
12984 * libgcc2.c, _bb module (__bb_fork_func): New function.
12985 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
12987 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
12988 * tree.h (special_function_p): Update prototype.
12990 2000-01-26 Richard Henderson <rth@cygnus.com>
12992 * alpha.c (alpha_split_tfmode_pair): New.
12993 * alpha-protos.h: Declare it.
12994 * alpha.md (abstf2, negtf2): New.
12995 (movtf insn): Add input G constraint.
12996 (movtf splitter): Use alpha_split_tfmode_pair.
12998 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13000 * i386/cygwin.h: PROTO -> PARAMS.
13002 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13004 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13005 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13006 using _Qp_cmp/_Q_cmp and testing the return value.
13007 (print_operand): Call reverse_condition_maybe_unordered if
13008 we are handling CCFPmode or CCFPEmode.
13009 Handle ORDERED, UN* and LTGT comparisons.
13010 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13011 if not TARGET_HARD_QUAD.
13012 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13013 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13014 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13015 Adjust gen_b* calls so that they reflect return comparison of
13016 sparc_emit_float_lib_cmp.
13018 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13020 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13021 incoming operands array is large enough for one more operand.
13022 (alpha_emit_xfloating_arith): Likewise.
13024 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13026 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13027 file with one line and no trailing newline.
13028 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13029 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13030 checking if the match is on the line.
13031 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13033 2000-01-25 Richard Henderson <rth@cygnus.com>
13035 * sparc.c (output_cbranch): Fix accidental squashing of the
13036 fp branch pre-delay nop.
13038 2000-01-25 Richard Henderson <rth@cygnus.com>
13040 * tree.def (UNNE_EXPR): Remove.
13041 * c-typeck.c (build_binary_op): Don't handle it.
13042 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13044 * rtl.def (UNNE): Remove.
13046 * jump.c (reverse_condition): Update accordingly.
13047 (swap_condition): Likewise.
13048 (comparison_dominates_p): Handle unordered comparisons.
13049 (reverse_condition_maybe_unordered): New.
13050 * rtl.h (reverse_condition_maybe_unordered): Declare.
13052 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13053 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13054 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13055 * sparc.md (bltgt): New.
13057 2000-01-25 Nick Clifton <nickc@redhat.com>
13059 * emit-rtl.c (emit_insn): Only check machine class insns for
13060 improper emission of a RETURN.
13062 2000-01-25 Richard Henderson <rth@cygnus.com>
13064 * Makefile.in (flow.o): Depend on $(EXPR_H).
13065 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13066 duplicate the structure of diddle_return_value for keeping regs live.
13068 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13070 * loop.c (current_loop_info): Delete.
13071 (consec_sets_invariant_p): Add loop argument, update callers.
13072 (get_condition_for_loop): Likewise.
13073 (count_nonfixed_reads, update_giv_derive): Likewise.
13074 (simplify_giv_expr, general_induction_var): Likewise.
13075 (consec_sets_giv, recombine_givs): Likewise.
13076 (move_movables): Delete loop_start and loop_end arguments,
13077 add loop argument, and update callers.
13078 (find_mem_givs, check_final_value): Likewise.
13079 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13080 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13082 (basic_induction_var): Add loop argument, delete loop_level argument,
13083 and update callers.
13084 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13085 add loop argument, and update callers.
13086 (find_splittable_regs, find_splittable_givs): Likewise.
13087 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13088 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13089 (biv_total_increment): Delete loop_start and loop_end arguments;
13091 (precondition_loop_p): Delete loop_start and loop_info arguments;
13093 * loop.h (get_condition_for_loop): Add loop argument.
13094 (biv_total_increment): Delete loop_start and loop_end arguments.
13095 (precondition_loop_p): Delete loop_start and loop_info arguments;
13097 (final_biv_value): Delete loop_start and loop_end arguments;
13099 (final_giv_value, back_branch_in_range_p): Likewise.
13101 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13103 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13105 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13107 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13108 point to the new "generated_files" doc.
13110 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13112 * config/fp-bit.c (_unord_f2): Fix typo.
13114 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13116 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13117 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13118 functions obsoleted by GC, such as push_obstacks_nochange,
13119 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13120 and code which existed only to decide whether or not to call
13121 them. Remove now-unused NESTED argument from start_function;
13122 all callers changed. Do not change behavior based on ggc_p.
13123 The use of the ixp_obstack in c-iterate.c and the util_obstack
13124 in objc/objc-act.c remain; these are not obsoleted by garbage
13126 * c-tree.h: Update prototype for start_function.
13128 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13130 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13132 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13135 2000-01-25 Richard Henderson <rth@cygnus.com>
13137 * sparc-protos.h (select_cc_mode): Declare.
13138 * sparc.c (select_cc_mode): New. Handle unordered compares.
13139 (output_cbranch): Always reverse via code change. Handle
13140 unordered compares. Factor tests and string updates.
13141 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13142 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13143 * sparc.md (bunordered, bordered): New.
13144 (bungt, bunlt, buneq, bunge, bunle): New.
13146 2000-01-25 Richard Henderson <rth@cygnus.com>
13148 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13149 * ggc-common.c (ggc_add_rtx_varray_root): New.
13150 (ggc_mark_rtx_varray): New.
13151 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13152 functions down below ggc_mark_foo.
13153 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13155 2000-01-25 Richard Henderson <rth@cygnus.com>
13157 * alpha.c (secondary_reload_class): Don't allocate a secondary
13158 for integral mode memories into FLOAT_REGS. Rearrange the more
13159 complicated memory expression inward.
13161 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13163 * inclhack.def: Fixes to play nicer with FreeBSD, and
13164 corrections to comments.
13165 (cxx_unready): Add select expression.
13166 (irix_sockaddr): Add bypass expression.
13167 (machine_ansi_h_va_list): New fix.
13168 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13169 Split out addition of "#include <stdarg.h>" to...
13170 (stdio_stdarg_h): ... here.
13171 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13172 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13173 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13175 (ultrix_ifdef): Tighten up select expression.
13177 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13178 re_ct and max_mach to avoid use of shell. Make printed names
13179 match names in inclhack.def. Use static copyright date.
13180 Don't count c_test and test expressions as requiring regex_t
13181 slots. Add some commentary.
13182 * inclhack.tpl: Do not include the 'This script contains N
13183 fixup scripts' line if PROGRAM is defined. Use static
13186 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13188 * dwarf2out.c: include "varray.h", not dyn-string.h.
13189 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13190 (addr_const_to_string, addr_to_string): Lose.
13191 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13192 (struct dw_val_struct): val_addr is now an rtx.
13193 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13194 (used_rtx_varray): New varray.
13195 (dwarf2out_init): Initialize it.
13196 (save_rtx): New fn.
13197 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13199 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13200 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13201 * Makefile.in (dwarf2out.o): Update dependencies.
13203 2000-01-24 Richard Henderson <rth@cygnus.com>
13205 * i386.c (i386_dwarf_output_addr_const): New.
13206 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13208 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13210 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13211 * i386.c (i386_simplify_dwarf_addr): New.
13212 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13214 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13216 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13217 TYPE_STUB_DECL is NULL.
13219 2000-01-24 Richard Henderson <rth@cygnus.com>
13221 * builtins.c (expand_tree_builtin): Move ...
13222 * c-common.c (expand_tree_builtin): ... here.
13224 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13226 * loop.h (LOOP_INFO): New accessor macro.
13227 * basic-block.h (struct loop): Rename field `info' to `aux'.
13228 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13229 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13230 * unroll.c (loop_iterations, unroll_loop): Likewise.
13232 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13234 * config/i386/t-cygwin: Accomodate new winsup directory layout
13235 when searching for include files.
13237 2000-01-24 Richard Henderson <rth@cygnus.com>
13239 * rtl.def: Add unordered fp comparisions.
13240 * tree.def: Likewise.
13241 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13243 * builtins.c (expand_tree_builtin): New function.
13244 * c-typeck.c (build_function_call): Use it.
13245 (build_binary_op): Support unordered compares.
13246 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13248 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13249 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13250 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13251 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13252 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13254 (swap_condition): Handle unordered compares.
13255 (thread_jumps): Check can_reverse before reversing.
13256 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13259 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13260 setcc is present before acking for cmp_optab. Update all callers.
13261 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13262 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13263 * expr.c (expand_expr): Likewise. Support unordered compares.
13264 (do_jump, do_store_flag): Likewise.
13265 * expr.h (enum libfunc_index): Add unordered compares.
13267 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13268 (DPBIT_FUNCS): Add _unord_df.
13269 * config/fp-bit.c (_unord_f2): New.
13270 * fp-test.c (main): Try unordered compare builtins.
13272 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13273 * alpha.c (alpha_comparison_operator): Check mode properly.
13274 (alpha_swapped_comparison_operator): Likewise.
13275 (signed_comparison_operator): Likewise.
13276 (alpha_fp_comparison_operator): New.
13277 (alpha_emit_conditional_branch): Handle unordered compares.
13278 * alpha.h (PREDICATE_CODES): Update.
13279 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13280 (bunordered, bordered): New.
13282 2000-01-24 Richard Henderson <rth@cygnus.com>
13284 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13285 * alpha.md (movtf): New expander, insn, and splitter.
13287 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13289 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13292 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13294 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13295 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13296 REG_ALLOC_ORDER): Add frame pointer
13297 (FRAME_POINTER_REGNUM): Set to 20
13298 (HARD_FRAME_POINTER_REGNUM): New macro.
13299 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13300 to HARD_FRAME_POINTER.
13301 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13302 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13303 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13304 (HI_REGISTER_NAMES): Add "frame".
13305 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13306 (debug_reg): Handle FRAME_POINTER_REGNUM.
13307 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13308 GENERAL_REGS and INDEX_REGS.
13309 * i386.c (SAVED_REGS_FIRST): new macro.
13310 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13311 (ix86_decompose_address, memory_address_length): Likewise.
13312 (regclass_map): Add frame pointer.
13313 (call_insn_operand): Handle frame_pointer_rtx.
13314 (reg_no_sp_operand): Likewise.
13315 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13316 (print_operand, legitimize_pic_address): Fix formating.
13317 (ix86_compute_frame_size): Make static, update prototype, new
13318 parameters padding1, padding2, use ix86_nsaved_regs, use
13319 stack_alignment_needed.
13320 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13321 to HARD_FRAME_POINTER_REGNUM conversions.
13322 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13323 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13324 (print_reg): Abort on FRAME_POINTER_REGNUM
13326 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13328 * i386.h (PREDICATE_CODES): Add aligned_operand.
13329 * i386.c (aligned_operand): New function.
13330 (ix86_aligned_p): Kill.
13331 * i386.md (movhi_1): Emit mov for aligned operands.
13332 (promoting peep2s): Use aligned_operand.
13334 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13336 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13337 expression to allow underscores in macro names.
13338 (fix_char_macro_defines): Increment scanning pointer.
13340 2000-01-23 Richard Henderson <rth@cygnus.com>
13342 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13343 * alpha/osf5.h: New file.
13344 * configure.in (alpha-*-osf5): Add it to tm_file.
13346 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13348 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13349 (alpha_emit_xfloating_cvt, function_arg): Declare.
13350 * alpha.c (alpha_emit_conditional_branch): Call
13351 alpha_emit_xfloating_compare for TFmode compares.
13352 (alpha_lookup_xfloating_lib_func): New.
13353 (alpha_compute_xfloating_mode_arg): New.
13354 (alpha_emit_xfloating_libcall): New.
13355 (alpha_emit_xfloating_arith): New.
13356 (alpha_emit_xfloating_compare): New.
13357 (alpha_emit_xfloating_cvt): New.
13358 (print_operand): Add default abort case.
13359 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13360 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13361 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13362 (RETURN_IN_MEMORY): True for TF/TCmode.
13363 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13364 (FUNCTION_ARG): Move to function_arg.
13365 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13366 (ASM_OUTPUT_LONG_DOUBLE): New.
13367 (ASM_OUTPUT_DOUBLE): Always output bits.
13368 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13369 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13370 (extenddftf2, trunctfdf2): New.
13372 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13374 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13375 * config/sparc/sol2.h: ... here.
13377 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13379 * basic-block.h (struct loops): New field `levels'.
13380 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13381 (flow_loop_level_compute): Initialise level to 1.
13382 (flow_loops_find): Set loops->levels.
13383 (flow_loops_dump): Print loops->levels.
13385 2000-01-23 Richard Henderson <rth@cygnus.com>
13387 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13388 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13390 2000-01-23 Richard Henderson <rth@cygnus.com>
13392 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13393 * i386.h (DBX_REGISTER_NUMBER): Use them.
13394 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13395 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13396 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13397 * i386/sequent.h: Kill incorrect comment.
13399 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13401 * ggc-page.c (struct page_entry): Make `context_depth' an
13403 (struct globals): Likewise.
13405 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13407 * loop.c (check_dbra_loop): When checking a loop for
13408 reversability, check the source of any stores to ensure
13409 they don't depend on an initial value.
13411 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13413 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13415 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13417 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13418 'pz_scan' into scope of entire function. Only affects
13419 compiles with -DDEBUG.
13421 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13423 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13424 section naming to that prior to 2000-01-07 patch.
13425 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13426 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13427 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13428 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13429 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13431 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13433 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13436 2000-01-21 Jim Wilson <wilson@cygnus.com>
13438 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13439 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13441 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13443 * cpphash.c (change_newlines): Delete function.
13444 (struct argdata): Delete 'newlines' and 'use_count' fields.
13445 (macroexpand): Remove code referencing those fields.
13447 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13449 * loop.c (loops_info): New variable.
13450 (loop_optimize): Allocate loops->array and free it on exit.
13451 Allocate memory for loops_info and assign to each loop,
13453 (find_and_verify_loops): Do not allocate loops->array.
13455 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13457 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13459 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13461 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13462 pseudos if expanded after first flow.
13463 (movdi_pic_label_ref): Likewise.
13465 2000-01-20 Richard Henderson <rth@cygnus.com>
13467 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13469 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13471 * Makefile.in (fixinc.sh): Depend on specs.
13472 * fixinc/Makefile.in: Add rule to create machname.h.
13473 (fixlib.o): Depend on machname.h.
13474 * fixinc/fixtests.c (machine_name): New test.
13475 * fixinc/fixfixes.c (machine_name): New fix.
13476 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13477 the machine_name test and fix.
13478 * fixinc/fixlib.h: Prototype it.
13479 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13480 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13482 * gcc.c (do_spec_1) [case P]: Take care not to create
13483 identifiers with three leading or trailing underscores.
13485 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13486 (fixincl): Don't specify libraries twice on link line.
13487 (gnu-regex.o): Remove special rule.
13488 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13489 defined by config.h. Do not define _REGEX_RE_COMP.
13490 (regcomp): Allocate and initialize a fastmap.
13491 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13493 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13495 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13497 2000-01-19 Richard Henderson <rth@cygnus.com>
13499 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13500 arguments with BB. Update all callers. Tidy line wrapping.
13502 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13504 * emit-rtl.c (try_split): Return last_insn if we split the
13507 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13509 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13510 (ix86_initial_elimination_offset): Declare.
13511 * i386.c (ix86_nsaved_regs): Break out from ...
13512 (ix86_can_use_return_insn_p): ... here.
13513 (ix86_emit_save_regs): Break out from ...
13514 (ix86_expand_prologue): ... here.
13515 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13517 (ix86_expand_epilogue): ... here.
13518 (ix86_compute_frame_size): Make static, add prototype.
13519 (ix86_initial_elimination_offset): Break out from ...
13520 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13522 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13524 * recog.h (OUT_FCN): Delete.
13526 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13528 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13530 * cppalloc.c: PROTO -> PARAMS.
13531 * cpperror.c: Likewise.
13532 * cppfiles.c: Likewise.
13533 * cpplib.c: Likewise.
13534 * cpplib.h: Likewise.
13536 * config/arm/arm-protos.h: PROTO -> PARAMS.
13537 * config/arm/arm.c: Likewise.
13538 * config/c4x/c4x.c: Likewise.
13539 * config/fr30/fr30-protos.h: Likewise.
13540 * config/nextstep.c: Likewise.
13541 * config/pa/pa.c: Likewise.
13542 * config/pj/pj.c: Likewise.
13543 * config/rs6000/rs6000.c: Likewise.
13544 * config/v850/v850-protos.h: Likewise.
13545 * config/v850/v850.c: Likewise.
13547 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13549 * i370-protos.h: New file.
13551 * i370.c: Include tm_p.h. Fix compile time warnings.
13553 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13556 * i370.md: Likewise.
13558 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13560 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13561 (target_isinf, target_isnan, eisnan): Mark parameter with
13563 (eiisinf): Wrap in INFINITY.
13564 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13565 (ibmtoe): Remove unused variable `rndsav'.
13567 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13569 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13570 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13572 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13574 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13575 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13576 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13578 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13579 Recognize Emacs mode markers also.
13580 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13581 C++ comments in C++ headers. Call is_cxx_header only if
13584 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13585 bypass for ncurses.
13586 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13587 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13588 ... these, which use the new C fixes.
13589 (math_exception): Escape literal '+' in bypass expression.
13591 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13594 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13596 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13599 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13601 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13602 prior to calling scan_loop.
13604 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13606 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13607 (split_branches, calc_live_regs): Likewise.
13609 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13611 * sh.md (fpu_single, fp_mode): New attributes.
13613 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13615 * loop.c (current_loop_info): Renamed from loop_info_data
13616 and changed to a pointer.
13617 (loop_optimize): Allocate loop_info structure for each loop
13618 and initialise to zero.
13619 (scan_loop): Set current_loop_info.
13621 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13624 2000-01-19 Richard Henderson <rth@cygnus.com>
13626 * stupid.c: Die die die.
13627 * Makefile.in (OBJS): Remove stupid.o.
13628 (stupid.o): Likewise.
13630 * except.c (emit_eh_context): Don't emit USEs for stupid.
13631 * explow.c (probe_stack_range): Likewise.
13632 * flags.h (obey_regdecls): Remove.
13633 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13634 when not optimizing.
13635 (life_analysis): Limit data collection when not optimizing.
13636 (mark_regs_live_at_end): Always mark the return value registers.
13637 (mark_used_regs): Remove dummy RETURN case.
13638 (print_rtl_with_bb): Don't consult obey_regdecls.
13639 * function.c (use_variable, use_variable_after): Remove.
13640 (assign_parms): Consult optimize not obey_regdecls.
13641 (expand_function_start): Don't emit USEs for stupid.
13642 (expand_function_end): Likewise.
13643 * global.c (build_insn_chain): Export.
13644 * integrate.c (expand_inline_function): Kill return-value USE
13646 * jump.c (jump_optimize_1): Do simple jump optimizations and
13647 dead code elimination.
13648 (calculate_can_reach_end): Remove check_deleted argument.
13649 (delete_insn): Patch out insns even when not optimizing.
13650 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13651 * rtl.h (use_variable, use_variable_after): Remove declarations.
13652 (build_insn_chain): Declare.
13653 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13654 (expand_end_bindings): Likewise.
13655 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13656 * toplev.c (obey_regdecls): Remove.
13657 (rest_of_compilation): Don't set it. Kill stupid in favour of
13658 flow1, local-alloc, and reload.
13659 (main): Don't set obey_regdecls.
13661 * config/nextstep.c (handle_pragma): Likewise.
13663 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13665 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13667 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13669 * alpha-protos.h: PROTO -> PARAMS.
13670 * alpha.c: Likewise.
13672 * h8300.c: Likewise.
13673 * i386-protos.h: Likewise.
13674 * i386.c: Likewise.
13675 * m32r-protos.h: Likewise.
13676 * m32r.c: Likewise.
13677 * mips.c: Likewise.
13678 * mips.md: Likewise.
13679 * gmon-sol2.c: Likewise.
13680 * sparc.c: Likewise.
13682 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13684 * ns32k-protos.h: New file.
13686 * ns32k.c: Fix compile time warnings.
13688 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13691 * ns32k.md: Likewise.
13693 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13695 * vax-protos.h: New file.
13697 * vax.c: Fix compile time warnings.
13699 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13702 * vax.md: Likewise.
13704 * vaxv.md: Likewise.
13706 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13708 * romp-protos.h: New file.
13710 * romp.c: Fix compile time warnings.
13712 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13715 * romp.md: Likewise.
13717 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13719 * we32k-protos.h: New file.
13721 * we32k.c: Fix compile time warnings.
13723 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13726 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13728 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13730 * except.c (eh_regs): Likewise.
13732 * final.c (output_operand): Likewise.
13734 * fold-const.c (target_isinf, target_isnan): Likewise.
13736 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13738 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13739 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13741 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13742 when optimize_size.
13743 (clrstrsi): Rewrite.
13744 (strsethi, strsetqi): New expanders.
13745 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13746 (cmpstrsi): Emit compare insn before cmpstrsi_1
13747 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13748 (strlensi_1): Likewise.
13749 (cmpstrsi_1): Likewise; do not output compare.
13750 (strlen expander): Do not unroll when optimizing for size.
13751 (*subsi3_carry): Rename to subsi3_carry
13752 (addqi3_cc): New pattern.
13753 * i386.h (processor_costs): Add move_ratio field.
13754 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13755 * i386.c (*_cost): Set move_ratio.
13756 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13757 (x86_expand_strlensi_1): Rewrite the main loop.
13759 2000-01-17 Richard Henderson <rth@cygnus.com>
13761 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13762 * cse.c (find_comparison_args, fold_rtx): Likewise.
13763 * integrate.c (subst_constants): Likewise.
13764 * loop.c (get_condition): Likewise.
13766 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13768 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13770 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13772 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13773 (RESTORE_WARN_FLAGS): Unpack it.
13774 Change semantic type of extension to ttype.
13775 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13776 * c-parse.y, c-parse.c, objc/objc-parse.y,
13777 objc/objc-parse.c: Regenerate.
13779 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13781 * fixinc/fixlib.c: Add copyright notice.
13782 (compile_re): New function.
13783 * fixinc/fixlib.h: Prototype compile_re.
13785 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13786 Use compile_re to compile regular expressions.
13788 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13789 where the pattern matched.
13791 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13793 (ultrix_ansi_compat): Likewise.
13794 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13796 (interactv_add2, interactv_add3): Delete.
13797 (x11_sprintf): Don't use filename glob.
13798 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13801 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13803 * print-rtl.c: PROTO -> PARAMS.
13804 * real.c: Likewise.
13805 * reg-stack.c: Likewise.
13806 * resource.c: Likewise.
13807 * sdbout.h: Likewise.
13808 * simplify-rtx.c: Likewise.
13809 * stor-layout.c: Likewise.
13810 * stupid.c: Likewise.
13811 * xcoffout.c: Likewise.
13812 * xcoffout.h: Likewise.
13814 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13816 * toplev.c: PROTO -> PARAMS.
13817 * toplev.h: Likewise.
13818 * tree.c: Likewise.
13819 * tree.h: Likewise.
13820 * unroll.c: Likewise.
13821 * varasm.c: Likewise.
13822 * varray.c: Likewise.
13823 * varray.h: Likewise.
13825 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13827 * reload.c: PROTO -> PARAMS.
13828 * reload.h: Likewise.
13829 * reload1.c: Likewise.
13830 * reorg.c: Likewise.
13831 * resource.h: Likewise.
13834 * rtlanal.c: Likewise.
13835 * sbitmap.h: Likewise.
13836 * sdbout.c: Likewise.
13837 * stack.h: Likewise.
13838 * stmt.c: Likewise.
13839 * system.h: Likewise.
13841 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13843 * machmode.h: PROTO -> PARAMS.
13844 * mbchar.h: Likewise.
13845 * mips-tdump.c: Likewise.
13846 * mips-tfile.c: Likewise.
13847 * optabs.c: Likewise.
13848 * output.h: Likewise.
13849 * prefix.c: Likewise.
13850 * profile.c: Likewise.
13851 * protoize.c: Likewise.
13852 * real.h: Likewise.
13853 * recog.c: Likewise.
13854 * recog.h: Likewise.
13855 * regclass.c: Likewise.
13856 * regmove.c: Likewise.
13857 * regs.h: Likewise.
13859 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13861 * ggc-common.c: PROTO -> PARAMS.
13862 * ggc-page.c: Likewise.
13863 * ggc-simple.c: Likewise.
13865 * global.c: Likewise.
13866 * graph.c: Likewise.
13867 * gthr-win32.h: Likewise.
13868 * haifa-sched.c: Likewise.
13869 * halfpic.h: Likewise.
13870 * integrate.c: Likewise.
13871 * integrate.h: Likewise.
13872 * jump.c: Likewise.
13874 * local-alloc.c: Likewise.
13875 * loop.c: Likewise.
13876 * loop.h: Likewise.
13878 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13880 * genattr.c: PROTO -> PARAMS.
13881 * genattrtab.c: Likewise.
13882 * gencheck.c: Likewise.
13883 * gencodes.c: Likewise.
13884 * genconfig.c: Likewise.
13885 * genemit.c: Likewise.
13886 * genextract.c: Likewise.
13887 * genflags.c: Likewise.
13888 * gengenrtl.c: Likewise.
13889 * genopinit.c: Likewise.
13890 * genoutput.c: Likewise.
13891 * genpeep.c: Likewise.
13892 * genrecog.c: Likewise.
13894 2000-01-16 Mark Mitchell <mark@codesourcery.com>
13896 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
13898 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13900 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
13901 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
13902 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
13903 * configure, config.in: Rebuilt.
13905 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
13907 * config/i386/i386.md: Add peephole to merge successive stack
13910 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
13912 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
13913 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
13914 when walking backwards to find all the parameter loads when
13915 the basic block ends in a call.
13917 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13919 * loop.c (this_loop_info): Delete.
13920 (uid_loop): Add in place of uid_loop_num. All uses updated.
13921 (loop_number_exit_count): Delete and replace with entry in loop
13922 structure. All uses updated.
13923 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13924 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13925 (loop_outer_loop): Likewise.
13926 (loop_invalid, loop_number_exit_labels): Likewise.
13927 (loop_used_count_register): Delete and replace with entry in
13928 loop_info structure.
13929 (find_and_verify_loops): Add loops argument.
13930 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
13931 loop_end, etc. arguments with loop structure pointer. All callers
13933 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
13934 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
13935 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
13936 (insert_bct): Likewise.
13937 (basic_induction_var): New argument level.
13938 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
13939 vtop, and cont. Add used_count_register.
13940 (uid_loop): Delete declaration.
13941 (loop_number_exit_count): Likewise.
13942 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
13943 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
13944 (loop_outer_loop, loop_used_count_register): Likewise.
13945 (loop_invalid, loop_number_exit_labels): Likewise.
13946 (unroll_loop): Replace loop_start and loop_end arguments
13947 with loop structure pointer.
13948 (loop_precondition_p, loop_iterations): Likewise.
13949 Include basic-block.h.
13950 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
13951 with loop structure pointer.
13952 (loop_precondition_p, loop_iterations): Likewise.
13953 * basic-block.h (struct loop): New entries vtop, cont,
13954 cont_dominator, start, end, top, scan_start, exit_labels,
13956 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
13958 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
13960 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
13962 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
13964 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
13966 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13968 * pdp11-protos.h: New file.
13970 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
13973 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
13976 * pdp11.md: Likewise.
13978 * 2bsd.h: Likewise.
13980 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13982 * mn10300-protos.h: New file.
13984 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
13987 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
13990 * mn10300.md: Likewise.
13992 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13994 * mn10200-protos.h: New file.
13996 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
13999 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14002 * mn10200.md: Likewise.
14004 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14006 * h8300-protos.h: New file.
14008 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14011 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14014 * h8300.md: Likewise.
14016 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14018 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14019 (asm_emit_uninitialised): Likewise.
14021 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14023 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14024 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14026 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14028 * config/mips/mips.c (override_options): Don't turn on extra
14029 alignment for mips16.
14031 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14033 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14034 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14037 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14039 * builtins.c (PAD_VARARGS_DOWN): Define.
14040 (std_expand_builtin_va_arg): Use the above macro.
14041 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14042 * tm.texi (Register Arguments): Document the above macro.
14044 2000-01-14 Nick Clifton <nickc@cygnus.com>
14046 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14047 that this function has not been used to emit a jump
14050 * jump.c (return_jump_1): Cope with being passed a null rtx.
14052 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14054 * eh-common.h: PROTO -> PARAMS.
14055 * emit-rtl.c: Likewise.
14056 * errors.c: Likewise.
14057 * errors.h: Likewise.
14058 * except.c: Likewise.
14059 * except.h: Likewise.
14060 * explow.c: Likewise.
14061 * expmed.c: Likewise.
14062 * expr.c: Likewise.
14063 * expr.h: Likewise.
14064 * final.c: Likewise.
14065 * fix-header.c: Likewise.
14066 * flow.c: Likewise.
14067 * fold-const.c: Likewise.
14068 * function.c: Likewise.
14069 * function.h: Likewise.
14071 * gcov-io.h: Likewise.
14072 * gcov.c: Likewise.
14073 * gcse.c: Likewise.
14075 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14077 * sh-protos.h: New file.
14079 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14080 Add static prototypes. Fix compile time warnings.
14082 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14086 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14088 * arc-protos.h: New file.
14090 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14093 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14096 * arc.md: Likewise.
14098 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14100 * dsp16xx-protos.h: New file.
14102 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14105 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14108 * dsp16xx.md: Likewise.
14110 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14112 * convex-protos.h: New file.
14114 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14117 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14120 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14122 * elxsi-protos.h: New file.
14124 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14127 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14130 * elxsi.md: Likewise.
14132 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14134 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14135 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14136 match the comment for MIPS16.
14138 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14140 * flow.c (split_edge): Do not call set_block_for_insn if we
14141 do not have a basic_block_for_insn structure.
14143 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14144 and destination functions are 32bit aligned within the trampoline.
14145 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14146 (TRAMPOLINE_ALIGNMENT): Define.
14148 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14149 (set (pc) (label_ref)), verify the change creates a valid insn.
14151 * fr30.c (call_operand): Tighten and rework to match rules for
14152 call RTL expressions.
14153 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14154 * fr30.md (call patterns): Improve constraints.
14156 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14158 * fr30.c (fr30_expand_epilogue): Revert last change.
14159 Use emit_jump_insn for the return insn.
14161 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14162 Stan Cox <scox@cygnus.com>
14164 * predict.c: New file. Preliminary infrastructure work for static
14165 branch prediction and basic block reordering.
14166 * basic-block.h: Add prototype for estimate_probability.
14167 * Makefile.in: Add rules for predict.o.
14169 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14171 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14172 * fixinc/*: Likewise.
14174 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14176 * cccp.c: PROTO -> PARAMS.
14177 * cexp.y: Likewise.
14178 * collect2.c: Likewise.
14179 * combine.c: Likewise.
14180 * convert.h: Likewise.
14182 * dbxout.c: Likewise.
14183 * dbxout.h: Likewise.
14184 * diagnostic.c: Likewise.
14185 * doprint.c: Likewise.
14186 * dwarf2out.c: Likewise.
14187 * dwarf2out.h: Likewise.
14188 * dwarfout.c: Likewise.
14189 * dwarfout.h: Likewise.
14190 * dyn-string.h: Likewise.
14192 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14194 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14195 macro conditionals guarding use.
14197 * dwarf2out.c: Include "tm_p.h".
14199 * function.c (locate_and_pad_parm): Mark parameter with
14201 (expand_function_end): Likewise for variable `context'.
14203 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14205 2000-01-13 Nick Clifton <nickc@cygnus.com>
14207 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14208 register to prevent compile time warnings.
14210 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14212 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14213 to avoid -Wtraditional warning.
14215 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14217 * 1750a-protos.h: New file.
14219 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14222 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14225 * 1750a.md: Likewise.
14227 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14229 * a29k-protos.h: New file.
14231 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14234 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14237 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14239 * clipper-protos.h: New file.
14241 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14244 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14247 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14249 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14251 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14253 * configure.in (--enable-new-gxx-abi): New option.
14254 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14255 * Makefile.in (GXX_ABI_FLAG): New variable.
14256 * configure: Regenerate.
14258 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14260 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14261 * tm.texi (FORCE_STRUCT_BLK): Document.
14262 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14264 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14266 * config/ns32k/ns32k.md: Revert Jan 9 change.
14268 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14269 to a mode-test, if the predicate is address_operand.
14271 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14273 * combine.c (if_then_else_cond): Be careful about what kinds
14274 of RTL expressions are passed to operand_subword.
14276 * flow.c (split_edge): If we have to insert a new jump, make
14277 sure to associate it with a basic block.
14279 * flow.c (commit_one_edge_insertion): A block with one successor
14280 can end in a JUMP_INSN that is not a simplejump.
14282 2000-01-12 Robert Lipe <robertl@sco.com>
14284 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14285 (BUILD_VA_LIST_TYPE): Define.
14286 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14289 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14291 * cccp.c (do_pragma): Add cast to (char *).
14293 2000-01-12 Richard Henderson <rth@cygnus.com>
14294 Fred Fish <fnf@be.com>
14295 Jason Merrill <jason@cygnus.com>
14297 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14298 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14299 * i386/beos-elf.h, i386/beos-pe.h: New files.
14301 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14302 * cross-make (SYSTEM_HEADER_DIR): Define using
14303 CROSS_SYSTEM_HEADER_DIR.
14305 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14306 (process_command): Use it.
14307 (main): Likewise. Kill trailing = from env vars.
14308 (build_search_list): Put it back.
14309 * collect2.c (main): Use LIBRARY_PATH_ENV.
14311 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14312 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14314 * tm.texi (Frame Layout): Document SMALL_STACK.
14315 * c-common.c (c_common_nodes_and_builtins): Check it.
14317 * system.h: Undef alloca after including glibc's <stdlib.h>,
14318 if USE_C_ALLOCA is defined.
14320 * gcc.c (set_input): New fn.
14321 (main): After all input files are compiled, reset the input file
14324 * aclocal.m4 (rindex, index): If already defined, don't attempt
14327 * ginclude/varargs.h: (__va_list__): Define ifndef.
14328 * ginclude/stdarg.h: Likewise.
14330 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14331 instead of unsigned char.
14333 * hash.h (true, false, boolean): Undef before enum.
14335 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14336 proper type of "HOST_WIDE_INT *", rather than their natural type of
14337 "unsigned HOST_WIDE_INT *".
14339 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14341 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14343 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14345 * regclass.c (choose_hard_reg_mode): Likewise.
14347 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14349 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14351 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14353 * c-common.c: PROTO -> PARAMS.
14354 * c-common.h: Likewise.
14355 * c-decl.c: Likewise.
14356 * c-iterate.c: Likewise.
14357 * c-lang.c: Likewise.
14358 * c-lex.c: Likewise.
14359 * c-lex.h: Likewise.
14360 * c-parse.in: Likewise.
14361 * c-pragma.c: Likewise.
14362 * c-pragma.h: Likewise.
14363 * c-tree.h: Likewise.
14364 * c-typeck.c: Likewise.
14365 * objc/objc-act.c: Likewise.
14366 * objc/objc-act.h: Likewise.
14368 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14370 * m88k-protos.h: New file.
14372 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14375 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14377 * m88k.md: Likewise.
14379 * tekXD88.h: Likewise.
14381 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14383 * m68k-protos.h: New file.
14385 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14388 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14390 * mot3300.h: Likewise.
14392 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14394 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14396 (extract_bitlist): Declare bitlen.
14398 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14400 * cccp.c: Accept and ignore -lang-fortran.
14402 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14403 qualifiers don't match at any level of pointerness.
14405 2000-01-12 Robert Lipe <robertl@sco.com>
14407 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14409 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14411 * reload1.c (reload_reg_unavailable): New static variable.
14412 (reload_reg_free_p): Test it.
14413 (reload_reg_free_for_value_p): Test it instead of
14415 (choose_reload_regs_init): Compute it.
14417 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14419 * reorg.c (fill_slots_from_thread): Check modified_in_p
14422 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14424 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14425 these nodes even if INTERNALS is not set.
14427 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14429 * gcse.c (delete_null_pointer_checks_1): Cope when
14430 get_condition cannot determine the condition.
14432 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14434 * toplev.h (set_message_length): Declare.
14436 * diagnostic.c (obstack_chunk_alloc): Define macro.
14437 (obstack_chunk_free): Likewise.
14438 (struct output_buffer): New data structure.
14439 (vmessage): Remove.
14440 (output_maximum_width): New variable.
14441 (doing_line_wrapping, set_message_length, init_output_buffer,
14442 get_output_prefix, output_space_left, emit_output_prefix,
14443 output_newline, output_append, output_puts, dump_output,
14444 vbuild_message_string, build_message_string, build_location_prefix,
14445 voutput_notice, output_printf, line_wrapper_printf,
14446 vline_wrapper_message_with_location): New functions. Implement
14447 automatic line wrapping.
14448 (v_message_with_decl): Make it handle automatic line wrapping.
14449 (v_error_with_file_and_line): Likewise.
14450 (v_warning_with_file_and_line): Likewise.
14451 (announce_function): Likewise.
14452 (default_print_error_function): Likewise.
14454 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14456 * cpplib.h (struct cpp_options): Change lang_asm to char.
14458 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14459 done in cpp_handle_option now.
14460 (initialize_builtins): Take out special case code used only by
14462 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14463 if -traditional. Recognize -lang-fortran and set
14464 lang_fortran, also turn off cplusplus_comments.
14465 (print_help): Document -lang-fortran.
14466 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14467 lang_asm. Ignore all directives other than `# 123 "file"' if
14469 (cpp_get_token): If -traditional, don't recognize directives
14470 unless the # is in column 1.
14471 (parse_string): If lang_fortran or lang_asm, silently
14472 terminate strings ('' or "") at end of line.
14473 Remove unnecessary braces.
14475 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14476 Richard Henderson <rth@cygnus.com>
14478 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14480 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14481 strict_low_part when possible.
14483 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14485 * alias.c: PROTO -> PARAMS.
14486 * basic-block.h: Likewise.
14487 * bitmap.c: Likewise.
14488 * bitmap.h: Likewise.
14489 * builtins.c: Likewise.
14490 * c-aux-info.c: Likewise.
14491 * caller-save.c: Likewise.
14492 * calls.c: Likewise.
14494 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14496 * Makefile.in (toplev.o): Depend on regs.h.
14498 * output.h (tdesc_section): Prototype.
14500 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14502 * sdbout.c: Include "tm_p.h".
14504 * toplev.c: Include "regs.h".
14506 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14508 * unroll.c (unroll_loop): Add EH support.
14510 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14512 * pa-protos.h: New file.
14514 * pa.c: Include recog.h and tm_p.h.
14515 (compute_zdepwi_operands, compute_movstrsi_length,
14516 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14517 find_addr_reg, import_milli): Add static prototypes.
14518 (pa_cpu_string, pa_arch_string): Constify a char*.
14519 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14520 (read_only_operand): Add argument `mode'.
14521 (singlemove_string, output_move_double, output_fp_move_double,
14522 output_block_move, output_and, output_ior, output_ascii,
14523 remove_useless_addtr_insns, milli_names, output_mul_insn,
14524 output_div_insn, output_mod_insn, output_arg_descriptor,
14525 output_cbranch, output_bb, output_bvb, output_dbra, ,
14526 output_millicode_call, output_call, hppa_encode_label,
14527 output_parallel_movb, output_parallel_addb): Constify a char*.
14528 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14529 (output_parallel_addb): Remove extra arg to `constrain_operands'
14531 * pa.h: Move all prototypes to pa-protos.h.
14532 (pa_cpu_string, pa_arch_string): Constify a char*.
14533 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14535 * pa.md: Call `function_label_operand' with mode argument.
14536 Likewise for `read_only_operand'.
14537 Fix nesting of parens in call to `symbolic_operand'.
14539 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14541 * i860-protos.h: New file.
14543 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14546 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14548 * i860.md: Likewise.
14550 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14552 * i386.md (movstrsi expander): Rewrite.
14553 (movstrsi_1 insn): Deleted.
14554 (strmovhi, strmovqi expander): New expanders.
14555 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14556 * i386.c (x86_single_stringop): New global variable.
14557 * i386.h (x86_single_stringop): Declare.
14558 (TARGET_SINGLE_STRINGOP): New macro.
14560 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14562 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14563 integer vararg POSTINCREMENT before the destination of the jump
14564 for the hard fp case.
14565 (function_arg_pass_by_reference): Pass a copy of CUM to
14568 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14569 for CONSTANT_ADDRESS_P above while loop for subreg.
14571 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14573 * flow.c (propagate_block): When a prologue/epilogue insn
14574 is marked dead, unconditionally clear libcall_is_dead and
14575 insn_is_dead, and only dump rtl if warnings aren't being
14578 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14580 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14581 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14582 (FIXED_REGISTERS): Set dirflag as fixed.
14583 (CALL_USED_REGISTERS): Set dirflag as used.
14584 (REG_ALLOC_ORDER): Set dirflag as last one.
14585 (DIRFLAG_REG): New macro.
14586 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14587 (HI_REGISTER_NAMES): Add dirflag.
14588 (DEBUF_PRINT_REG): Handle dirflag.
14589 * i386.md (type attribute): New cld and str types.
14590 (length_opcode attribute): Set cld and str to 1.
14591 (memory attribute): Set str to unknown - it is not clear from the
14593 (pent_np function unit): Prefixed string operations takes 12 cycles
14594 minimally; cld takes 2 cycles.
14595 (ppro_uops attribute): Str is "many" and cld is "few".
14596 (ppro_p0 unit): Handle cld here.
14597 (k6_alux unit): Handle cld and str types.
14598 (k6_load unit): It is ocupied by str opcodes.
14599 (k6_store unit): It is ocupied by str opcodes.
14600 (athlon_decode): Str is vector decoded.
14601 (athlon_ieu): Handle str and cld.
14602 (cld pattern): New.
14603 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14604 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14605 cmpstrsi_nz_1 insn): Do not output cld instruction
14607 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14609 * gcc.texi (G++ and GCC): Add Java and Chill.
14610 (Bug Critera): Don't list languages.
14612 * gcc.texi (Incompatibilities): No longer claim most C compilers
14615 * gcc.texi (G++ and GCC): Update other front-ends list.
14617 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14619 * i386.c (ix86_expand_setcc): Fix typo.
14620 (ix86_expand_movcc): Similarly.
14622 * Band-aid until haifa's bitset implementation is nuked.
14623 * haifa-sched.c (extract_bitlst): New parameter for size of the
14624 bitset in bits. All callers changed. Avoid looking at undefined
14625 bits in the bitset.
14626 (edgeset_bitsize): New variable.
14627 (schedule_region): Initialize edgeset_bitsize.
14629 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14631 * Makefile.in (optabs.o): Depend on real.h
14632 (resource.o): Depend on insn-attr.h
14634 * builtins.c (result_vector): Wrap prototype in macro conditions
14635 governing definition and use.
14637 * c-common.c: Include tm_p.h.
14639 * c-lex.c: Likewise.
14641 * elfos.h: Constify a char*.
14643 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14644 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14645 parameter with ATTRIBUTE_UNUSED.
14647 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14650 * haifa-sched.c (schedule_insns): Mark parameter with
14653 * optabs.c: Include real.h.
14655 * real.h (ereal_atof): Add prototype arguments.
14657 * resource.c: Include insn-attr.h.
14659 * sdbout.c (sdbout_queue_anonymous_type,
14660 sdbout_dequeue_anonymous_types): Wrap in macro
14661 SDB_ALLOW_FORWARD_REFERENCES.
14662 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14665 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14667 * stupid.c: Include tm_p.h.
14669 * tree.c (real_value_from_int_cst): Mark parameter with
14672 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14674 * i960-protos.h: New file.
14676 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14679 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14681 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14683 * combine.c (expand_field_assignment): Do not discard SUBREGs
14684 while computing nonzero_bits.
14686 2000-01-09 Nick Clifton <nickc@cygnus.com>
14688 * config/arm/arm.c: Fix compile time warnings about signed vs
14689 unsigned constants.
14690 * config/arm/arm.h: Fix compile time warnings about signed vs
14691 unsigned constants.
14693 2000-01-09 Philip Blundell <philb@gnu.org>
14695 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14696 than `ldm' with only one register.
14697 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14700 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14703 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14705 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14708 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14710 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14711 assignment used as truth value.
14713 * function.c (assign_temp): Mark parameter `dont_promote' with
14714 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14715 PROMOTE_FOR_CALL_ONLY.
14717 * genrecog.c (write_subroutine): Mark variable `operands' with
14720 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14723 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14724 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14726 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14729 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14731 * config/c4x.h: Tidy up comments.
14732 * config/c4x.c: Likewise.
14734 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14736 * fold-const.c (lshift_double, rshift_double): Handle
14737 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14739 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14741 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14742 in prepare_function_start().
14744 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14746 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14747 longer allocate extra stack for function calls.
14749 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14751 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14753 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14755 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14757 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14759 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14760 * aix43.h: Revert Aug 2 change.
14761 (HAS_INIT_SECTION): Define, not visible yet.
14762 (LD_INIT_SWITCH): Define, not visible yet.
14763 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14765 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14767 * collect2.c (main): Expand ld2 size further.
14768 (export_object_lst): Cast assignment to avoid warning.
14769 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14770 (scan_prog_file, COFF): Do not collect initialization or
14771 finalization functions generated for entire shared object if
14772 init/fini support present.
14774 2000-01-07 Nick Clifton <nickc@cygnus.com>
14776 * config/elfos.h: Tidy up formatting of marcos. Make sure
14777 that .section directives are always prefixed by a tab.
14779 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14782 2000-01-07 Matt Austern <austern@sgi.com>
14784 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14787 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14789 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14791 (crtbegin.o, s-crtS): Likewise.
14793 2000-01-06 Richard Henderson <rth@cygnus.com>
14795 * alpha.md (adddi_2+1): Limit offset such that it will be
14796 loadable with a single ldah+lda pair.
14797 (adddi_2+2): Explicitly fail split if we can't make it work.
14799 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14801 * protoize.c: Conditionally include unistd.h.
14802 (IS_SAME_PATH_CHAR): New macro.
14803 (IS_SAME_PATH): New macro.
14804 (CPLUS_FILE_SUFFIX): New macro.
14805 (cplus_suffix): New static variable.
14806 (is_abspath): New static function.
14807 (in_system_include_dir): Handle DOS style pathnames.
14808 (file_could_be_converted): Likewise.
14809 (file_normally_convertible): Likewise.
14810 (directory_specified_p): Likewise.
14811 (file_excluded_p): Likewise.
14812 (abspath): Likewise.
14813 (shortpath): Likewise.
14814 (referenced_file_is_newer): Likewise.
14815 (save_def_or_dec): Likewise.
14816 (do_processing): Likewise.
14818 (edit_file): Likewise. Use rename instead of link.
14819 (rename_c_file): Likewise. Don't rename syscalls file.
14820 (munge_compile_params): Define null device for DOS based systems.
14821 (process_aux_info_file): Use binary mode if appliable.
14822 (edit_file): Likewise.
14823 * invoke.texi (Running Protoize): Document C++ suffixes used.
14825 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14826 IS_DIR_SEPARATOR macros.
14827 * collect2.c: Likewise.
14828 * cppinit.c: Likewise.
14829 * dwarf2out.c: Likewise.
14831 * gcov.c: Likewise.
14832 * prefix.c: Likewise.
14834 * toplev.c: Likewise.
14835 * system.h: And move to here.
14837 * prefix.c (update_path): Fix typo in variable name.
14839 2000-01-06 Richard Henderson <rth@cygnus.com>
14841 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
14842 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
14843 (count_reg_sets_1, count_reg_references): Likewise.
14844 (flow_loops_level_compute): Start counting actual loop depth at 1.
14845 (flow_loops_find): Likewise.
14846 * local-alloc.c (update_equiv_regs): Likewise.
14847 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
14849 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
14851 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
14852 FIRST_PSEUDO_REGISTER
14853 * dwarf2out.c: Don't include frame.h
14854 * dwarfout.c: Likewise
14855 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
14858 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
14860 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14863 * i386.c (movsf splitter): Fix typo in my last checkin.
14865 2000-01-05 Nick Clifton <nickc@cygnus.com>
14867 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
14868 own definition of this macro.
14869 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
14870 flag_data_sections or UNIQUE_SECTION_P are true.
14872 * tm.texi (UNIQUE_SECTION): Document that it can be called for
14873 unitialised data decls.
14875 * config/i386/winnt.c (i386_pe_unique_section): Cope with
14876 being called for uninitialised data.
14878 * config/i386/interix.c (i386_pe_unique_section): Cope with
14879 being called for uninitialised data.
14881 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
14882 for uninitialised data.
14884 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
14885 for uninitialised data.
14887 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
14888 for uninitialised data.
14890 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
14891 (UNIQUE_SECTION_P): Always generate a unique section if
14892 flag_data_sections is true.
14893 (UNIQUE_SECTION): Also generate unique sections for
14894 uninitialised data.
14895 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
14896 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
14899 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14901 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
14904 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14906 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
14907 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
14908 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
14909 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
14910 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
14912 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
14914 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
14916 * c-decl.c (finish_enum): Simplify code to determine minimum and
14917 maximum values of the enum, and calculate the type. Remove check
14918 for FUNCTION_DECLs in the values list, which cannot happen. Replace
14919 the DECL_INITIAL of each enumeration constant with a copy converted
14920 to the enumeration type. When updating variant types, don't bother
14921 updating the type itself.
14923 * c-typeck.c (build_binary_op): Simplify conditional expressions
14924 when weeding out spurious signed-unsigned warnings. Add new
14925 spurious warning category: if the unsigned quantity is an enum
14926 and its maximum value fits in signed_type(result_type). Update
14928 (build_conditional_expr): Warn here if one alternative is signed
14929 and the other is unsigned.
14931 2000-01-05 Nick Clifton <nickc@cygnus.com>
14933 * config/fr30/fr30.h: Remove extraneous comments.
14935 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
14937 * reload1.c (choose_reload_regs): When disabling a reload, also
14938 set reload_spill_index to -1.
14940 2000-01-04 Joel Sherrill (joel@OARcorp.com>
14942 * configure.in (m68*-*-rtemscoff*): New target, formal name for
14944 (m68*-*-rtemself*): New target.
14945 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
14946 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
14947 (sparc*-*-rtemself*): New target.
14948 (sparc*-*-rtems*): Now elf not a.out.
14949 * config/i386/rtems.h: Include config/rtems.h.
14950 * config/i386/rtemself.h: Include config/rtems.h.
14951 * config/i960/rtems.h: Include config/rtems.h.
14952 * config/m68k/rtems.h: Include config/rtems.h.
14953 * config/m68k/rtemself.h: Include config/rtems.h.
14954 * config/mips/rtems64.h: Include config/rtems.h.
14955 * config/pa/rtems.h: Include config/rtems.h.
14956 * config/rs6000/rtems.h: Include config/rtems.h.
14957 * config/sh/rtems.h: Include config/rtems.h.
14958 * config/sh/rtemself.h: Include config/rtems.h.
14959 * config/sparc/rtems.h: Include config/rtems.h.
14960 * config/sparc/rtemself.h: Include config/rtems.h
14962 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
14964 * final.c (shorten_branches): Correctly compute length of
14965 asms without operands.
14967 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
14969 * configure.in: Add pj target.
14970 * configure: Regenerate.
14971 * config/pj: New directory.
14972 * config/pj/lib1funcs.S: New file.
14973 * config/pj/linux.h: New file.
14974 * config/pj/pj.c: New file.
14975 * config/pj/pj.md: New file.
14976 * config/pj/pjl.h: New file.
14977 * config/pj/t-pj: New file.
14978 * config/pj/xm-pj.h: New file
14980 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
14982 * toplev.c (rest_of_compilation): Run shorten-branches before
14985 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14987 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
14988 macros so that they're consistent with their names.
14989 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14990 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
14992 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14994 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
14995 modified inadvertently.
14997 2000-01-04 Joel Sherrill <joel@OARcorp.com>
14999 * configure.in (v850*-*-rtems*): New target.
15000 * configure: Regenerate.
15001 * config/v850/rtems.h: New file.
15003 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15005 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15006 (__gthread_key_create): Likewise.
15007 (__gthread_key_dtor): Likewise.
15008 (__gthread_once): Fix logic.
15009 (__gthread_key_delete): Cast away constness.
15011 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15012 * invoke.texi: Document.
15013 * i386/mingw32.h (CPP_SPEC): Use.
15014 (LIBGCC_SPEC): Likewise.
15015 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15017 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15019 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15020 (HANDLE_PRAGMA_PACK): Undefine.
15021 (SLOW_UNALIGNED_ACCESS): Define.
15023 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15025 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15026 to default definition.
15027 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15028 (store_fixed_bit_field): Call macro with word_mode and alignment.
15029 (extract_bit_field): Call macro with relevant mode and alignment.
15030 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15031 to default definition.
15032 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15034 (move_by_pieces_ninsns): Likewise.
15035 (clear_by_pieces): Likewise.
15036 (emit_push_insn): Likewise.
15037 (store_field): Call macro with relevant mode and alignment.
15038 (expand_expr): Likewise.
15039 (expand_expr_unaligned): Likewise.
15041 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15042 (SLOW_UNALIGNED_ACCESS): Define.
15043 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15044 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15045 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15046 (toc_section): Likewise and .toc pseudo-op.
15047 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15049 (TEXT_SECTION_ASM_OP): Likewise.
15050 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15053 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15054 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15055 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15056 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15057 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15059 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15061 * regclass.c: Revert my Jan 4 change to loop cost computation.
15063 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15065 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15068 2000-01-04 Stan Cox <scox@cygnus.com>
15070 * haifa-sched.c (build_control_flow): Change unreachable simple
15071 loop test to check if current block has only one predecessor.
15072 (find_rgns): Initialize degree. Use dest as degree index, not src.
15074 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15076 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15078 * calls.c (expand_call): Likewise for
15079 `old_stack_arg_under_construction'.
15081 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15083 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15086 * gcc.c (execute): Likewise for `ut' and `st'.
15088 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15090 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15092 * jump.c (jump_optimize_1): Likewise for `temp2'.
15094 * local-alloc.c (block_alloc): Likewise for `r1'.
15096 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15098 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15099 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15101 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15104 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15105 and `goal_earlyclobber'.
15107 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15109 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15111 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15113 * unroll.c (copy_loop_body): Likewise for `copy'.
15115 * varasm.c (output_constructor): Likewise for `byte'.
15117 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15119 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15120 all FP constants for constant->reg moves.
15121 (ix86_split_to_parts): Try to convert memory address into immediate
15122 when available in the constant pool.
15123 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15125 (LEGITIMATE_CONSTANT_P): Return 1.
15126 * i386.md (pushsf): New splitter to convert constant pool memory
15127 reference to immediate.
15128 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15131 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15133 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15134 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15135 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15136 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15137 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15139 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15141 * ginclude/stdbool.h: Support compilation as C++.
15143 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15145 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15147 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15149 * regclass.c (regclass): Properly compute loop_cost. Adjust
15152 * regclass.c: Fix minor whitespace problems.
15154 2000-01-03 Anthony Green <green@cygnus.com>
15156 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15157 Restore the pic register if required.
15159 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15161 * c-common.c (format_char_info): Update comment.
15162 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15163 was recognized. Emit warning for formats new in ISO C99 only
15164 if flag_isoc9x is not set.
15166 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15168 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15170 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15172 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15173 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15174 (make_compound_operation): Choose cheaper alternative between
15175 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15177 * regclass.c (op_costs): Remove global variable.
15178 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15179 (record_operand_costs): Break out from ...
15180 (scan_one_insn): ... here.
15181 (dump_regclass): Make dumps nicer.
15182 (regclass): Dump preferrences choosed and changes done during passes.
15184 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15186 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15188 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15190 * config/sparc/sparc.c (gen_df_reg): New function.
15191 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15192 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15193 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15194 movtf_cc_reg_sp64+1): Use it.
15196 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15198 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15199 copied LABEL_DECLs.
15201 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15203 * config/i386/i386.c (ix86_expand_unary_operator): Function
15204 definition made void.
15205 (ix86_expand_binary_operator): Update outdated preceding comment.
15206 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15209 * config/i386/i386.c (override_options): Fix option-name typo.
15211 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15213 * system.h (CEIL): Define.
15214 * builtins.c (CEIL): Remove.
15215 * expmed.c (CEIL): Likewise.
15216 * expr.c (CEIL): Likewise.
15217 * stor-layout.c (CEIL): Likewise.
15219 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15221 * expr.c (store_constructor_field): Fix typo introduced with last
15224 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15226 * tree.h (BINFO_N_BASETYPES): New macro.
15228 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15230 * expmed.c (emit_store_flag): Prevent losing a pending stack
15231 adjust the same way we prevent losing queued increments.
15233 See ChangeLog.2 for earlier changes.