1 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
3 * config/avr/avr.c (asm_output_section_name): output section
5 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
7 2000-06-06 James E. Wilson <wilson@cygnus.com>
9 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
10 fields into header field.
11 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
12 macros to access length, flags, and version info from header field.
13 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
14 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
15 (__do_global_ctors_aux): Fix caller.
16 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
17 prologue_flag to header. Pass to read_P_record.
18 (read_P_record): New argument header. Implement P4 format.
19 Multiply P7_T_SIZE by 16.
20 (execute_one_ia64_descriptor): New static local region_header. Pass to
21 get_unwind_record. Copy r to region_header if r is a header record.
22 (print_all_records): Likewise.
23 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
24 (__get_personality, __get_except_table): Likewise.
25 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
27 2000-06-06 Philipp Thomas <pthomas@suse.de>
29 * configure.in (AC_C_INLINE): Added.
30 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
31 * configure: Regenerate.
33 2000-06-06 Mark Mitchell <mark@codesourcery.com>
35 * c-common.h (c_language_kind): New type.
36 (c_language): New variab.e
37 * c-common.c (lang_get_alias_set): Don't put structures in
38 non-zero alias sets in C++.
39 * c-decl.c (c_language): Define it.
40 * c-lex.c (doing_objc_thang): Remove.
41 * c-tree.h (doing_objc_thang): Make it a macro.
42 * objc/objc-act.c (lang_decode_option): Set c_language, not
45 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
47 * diagnostic.c (output_maximum_width): Remove.
48 (doing_line_wrapping): Tweak.
49 (diagnostic_buffer): New object.
50 (global_output_buffer): New object.
51 (output_destroy_prefix): New function.
52 (default_initialize_buffer): Likewise.
53 (reshape_diagnostic_buffer): Likewise.
54 (initialize_diagnostics): Likewise.
55 (output_clear): Tweak.
56 (line_wrapper_printf): Adjust call to init_output_buffer.
57 (vline_wrapper_message_with_location): Likewise. Use
58 output_destroy_prefix.
59 (v_message_with_decl): Likewise.
61 * diagnostic.h (struct output_buffer): Constify prefix.
62 (init_output_buffer, output_get_prefix): Constify.
63 (diagnostic_message_length_per_line): Likewise.
64 (reshape_diagnostic_buffer): Declare.
65 (default_initialize_buffer): Declare.
66 (initialize_diagnostics): Declare.
67 (diagnostic_buffer): Declare new obbject.
69 * toplev.c: #include diagnostic.h
70 (display_help): Document diagnostic formatting options.
71 (decode_f_option): Handle diagnostic formatting options.
72 (main): Setup initialization for diagnostic messages outputter.
74 * toplev.h (set_message_length): Remove.
76 * Makefile.in (toplev.o): Depends upon diagnostic.h
78 * invoke.texi : Document diagnostics formatting options.
80 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
82 * configure.in (Make the links): Typo fix : the file that must be
83 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
84 * configure: File rebuilt.
86 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
88 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
89 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
91 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
92 emergency eh_context buffer, if malloc fails.
93 (__eh_free): Moved from cp/exception.cc. Release to emergency
94 eh_context buffer, if appropriate.
96 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
98 * expr.c (store_expr): Fix typo.
100 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
102 * m68k.c (legitimize_pic_address): Move prototype ...
104 * m68k-protos.h (legitimize_pic_address): ... here.
106 * m68k.md (legitimize_pic_address): Delete prototypes.
107 (untyped_call): Invoke GEN_CALL(), not gen_call().
109 * nextstep.c: Include system.h and toplev.h.
110 (get_directive_line): Don't prototype.
111 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
113 * nextstep.h (handle_pragma): Prototype.
114 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
115 objc_section_init ...
116 (EXTRA_SECTION_FUNCTIONS): ... here.
118 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
120 * sdbout.c (struct sdb_file): NAME now const.
121 (sdbout_init): input_file_name now const.
122 (sdbout_start_new_source_file): FILENAME now const.
123 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
125 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
127 * c-typeck.c (build_conditional_expr): Handle complex data types.
129 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
131 * explow.c (maybe_set_unchanging): New function, broken out from...
132 (set_mem_attributes): Here.
133 * expr.h: Declare it.
134 * stmt.c (expand_decl): Call it.
136 2000-06-05 Richard Henderson <rth@cygnus.com>
138 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
139 while looking for a register to inherit from.
141 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
143 * Makefile.in (libgcc.ready): Lose.
144 (libgcc.mk): Just use mv, not move-if-change.
145 (LIBGCC_DEPS): New macro.
147 (stmp-multilib): Likewise.
148 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
149 it rather than the directories themselves.
150 (LIB2ADD): Depend on the list file rather than 'force'.
152 * fold-const.c (fold, case COND_EXPR): Elide conversion between
153 cv-qualified versions of types.
155 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
157 * config/sparc/sparc.c (short_branch): Correct error in range
160 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
162 * fixinc/inclhack.def: New include hacks for ultrix.
163 * (nested_ultrix): Replaced by ultrix_nested_svc.
164 * (ultrix_atof_param): test_text string added.
165 * (ultrix_ifdef): Modified select string.
167 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
169 * objc/objc-act.c (generate_method_descriptors): Register
170 objc_method_prototype_template as a GC root.
171 (comp_method_with_proto): Register function_type as a GC root.
172 (comp_proto_with_proto): Replace function_type1 and
173 function_type2 with a two-element array; register it as a GC root.
175 (generate_protocols, build_protocol_initializer,
176 generate_protocol_list, build_category_initializer,
177 build_shared_structure_initializer): Do not cache cast_type
180 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
182 * function.c (assign_parms): Add missing argument to set_mem_attributes
185 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
187 * tree.h (VOID_TYPE_P): New macro.
188 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
189 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
190 (get_parm_info): Likewise.
191 (store_parm_decls): Likewise.
192 (combine_parm_decls): Likewise.
193 (finish_function): Likewise.
194 * c-typeck.c (build_function_call): Likewise.
195 (build_binary_op): Likewise.
196 (build_conditional_expr): Likewise.
197 (internal_build_compound_expr): Likewise.
198 (convert_for_assignment): Likewise.
199 * stmt.c (expend_expr_stmt): Likewise.
200 (warn_if_unused_value): Likewise.
201 (expand_return): Likewise.
202 * c-parse.in (primary): Likewise.
203 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
204 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
206 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
208 * alias.c (get_alias_set): If compnent is addressable, use alias
210 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
211 (grokdeclarator): Likewise.
212 * c-typeck.c (common_type): Likewise.
214 2000-06-04 Alex Samuel <samuel@codesourcery.com>
216 * Makefile.in (OBJS): Remove dyn_string.o
217 (dyn-string.o): Delete rule.
218 * dyn-string.c: Delete file
219 * dyn-string.h: Likewise.
221 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
223 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
226 S2000-06-03 Geoff Keating <geoffk@cygnus.com>
228 * alias.c (record_component_aliases): Don't inspect
229 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
231 at Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
233 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
234 it with the pattern to do machine dependent work.
235 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
236 use it to modify the true/false tests used in conditional
237 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
238 defined, invoke them if the conversion to conditional execution
239 was successful or not.
241 * tm.texi (IFCVT_MODIFY_TESTS): Document.
242 (IFCVT_MODIFY_INSN): Ditto.
243 (IFCVT_MODIFY_FINAL): Ditto.
244 (IFCVT_MODIFY_CANCEL): Ditto.
246 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
248 * toplev.c (main): Fix misspellings of possibility and language.
250 2000-06-03 Richard Henderson <rth@cygnus.com>
252 * alias.c (record_alias_subset): Initialize has_zero_child in the
255 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
257 * arm.md (untyped_call): Use GEN_CALL macro.
259 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
261 * Makefile.in: Use $(MAKE) not "make"
263 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
265 * alias.c (struct alias_set_entry): New field has_zero_child.
266 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
267 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
269 Call record_component_aliases for aggregate types.
270 (record_alias_subset): Set has_zero_child.
271 (record_component_aliases, case ARRAY_TYPE): Do nothing if
272 TYPE_NONALIASES_COMPONENT.
273 (record_component_aliases, case RECORD_TYPE): Test
274 DECL_NONADDRESSABLE_P.
275 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
277 * calls.c (initialize_argument_information): Only test
278 TYPE_TRANSPARENT_UNION for UNION_TYPE.
279 * function.c (assign_parms): Likewise.
280 * integrate.c (function_cannot_inline_p): Likewise.
281 * stor-layout.c (finish_record_layout): Don't call
282 record_component_aliases.
283 * tree.h (struct tree_int_cst): Use struct tree_common.
284 (struct tree_real_cst, struct tree_string): Likewise.
285 (struct tree_complex, struct tree_identifier): Likewise.
286 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
287 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
288 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
289 (TYPE_NONALIASES_COMPONENT): New macro.
290 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
291 (DECL_NONADDRESSABLE_P): New macro.
292 (struct tree_decl): Reorder bits for clarity of how many left;
295 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
297 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
298 * mklibgcc.in (force): New target.
299 Make LIB2ADD stuff depend on it.
301 2000-06-02 Richard Henderson <rth@cygnus.com>
303 * alias.c (lang_get_alias_set): Remove.
304 (get_alias_set): Call it directly, not indirectly.
305 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
306 * c-common.h (c_get_alias_set): Don't declare.
307 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
308 * expr.h (lang_get_alias_set): Declare as function, not pointer.
310 2000-06-02 Bruce Korb <bkorb@gnu.org>
312 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
313 (server_setup): define the server's master pid
314 (close_server): actually do the deed IFF we are the server's master
316 2000-06-02 Jakub Jelinek <jakub@redhat.com>
318 * c-common.c (c_get_alias_set): Check whether signed_type did not
319 return its argument before calling get_alias_set on the result.
321 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
323 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
325 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
327 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
328 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
329 for TARGET_NOMACSAVE.
330 (NOMACSAVE_BIT): Define.
331 (TARGET_NOMACSAVE): Define.
332 (TARGET_SWITCHES): Add "nomacsave".
334 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
336 * sh.md (untyped_call): Remove excess parameters
338 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
340 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
341 match that used before the conversion to c_fix style.
342 * fixinc/fixincl.x: regenerate
344 2000-06-01 Stan Cox <scox@cygnus.com>
346 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
349 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
351 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
353 * cpplib.c (parse_include): Remove support for VAX-C
354 "#include starlet" misfeature.
356 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
358 * cppfiles.c: conditionally define O_BINARY.
359 (open_include_file): pass O_BINARY to open().
361 2000-06-01 Richard Henderson <rth@cygnus.com>
363 * i960.c (i960_br_predict_opcode): Remove.
364 (i960_print_operand) [+]: Emit branch prediction hints.
365 (i960_function_arg): Return early for VOIDmode.
366 (i960_round_align): Return early for incomplete types.
367 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
368 * i960.md (all conditional branches): Add "%+".
370 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
372 * alias.c (get_alias_set): Don't call language-specific routine more
373 than is needed and clean up code a bit.
374 * c-common.c (c_get_alias_set): All references whose type
375 is char get alias set 0, but character types need not.
376 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
377 (make_decl_rtl): Don't call it for FUNCTION_DECL.
379 2000-06-01 Bruce Korb <bkorb@gnu.org>
381 * fixinc/tests/base/...: new base result files
383 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
385 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
386 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
387 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
390 2000-06-01 Richard Henderson <rth@cygnus.com>
392 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
394 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
396 2000-05-31 Richard Henderson <rth@cygnus.com>
398 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
399 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
400 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
402 2000-05-31 Richard Henderson <rth@cygnus.com>
404 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
405 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
406 (ia64_print_operand) [+]: ... here. Use current_output_insn.
407 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
408 * config/ia64/ia64.md (all branch/call patterns): Use %+.
410 2000-05-31 Richard Henderson <rth@cygnus.com>
412 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
414 2000-05-31 Richard Henderson <rth@cygnus.com>
416 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
418 (find_if_block): Allow THEN with no outgoing edges.
419 * flow.c (merge_blocks_nomove): Remove a barrier not following
422 2000-05-31 Richard Henderson <rth@cygnus.com>
424 * flow.c (propagate_block): Move initialization of mem_set_list ...
425 (init_propagate_block_info): ... here. Also track blocks with
426 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
428 2000-05-31 Richard Henderson <rth@cygnus.com>
430 * jump.c (jump_optimize_1): Revert 05-18 change.
432 2000-05-31 Mark Mitchell <mark@codesourcery.com>
434 * invoke.texi: Remove documentation for -fguiding-decls.
436 2000-05-31 Richard Henderson <rth@cygnus.com>
438 * configure.in: Fix typo last change.
440 2000-05-31 Philipp Thomas <pthomas@suse.de>
442 * configure.in (enable-nls): Enable if build == host, i.e. when
443 not building a canadian cross compiler.
444 (enable-maintainer-mode): Added for use with i18n.
445 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
446 cross section of ALL_LINGUAS and LINGUAS.
447 * configure: Rebuild.
449 2000-05-31 Bruce Korb <bkorb@gnu.org>
451 * fixinc/check.tpl: rework to use test result tree
452 * fixinc/Makefile.in: change invocation of check script
453 * fixinc/check.diff: No longer needed
454 * fixinc/fixincl.x: regenerate
455 * fixinc/inclhack.def: add new tests
456 * fixinc/tests/base/arch/i960/archI960.h: New test result
457 * fixinc/tests/base/curses.h: modified test result
458 * fixinc/tests/base/stdio.h: ditto
459 * fixinc/tests/base/time.h: ditto
460 * fixinc/tests/base/sys/asm.h: ditto
461 * fixinc/tests/base/sys/stat.h: ditto
462 * fixinc/tests/base/sys/wait.h: ditto
464 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
466 * except.c (clear_function_eh_region): Do not free NULL.
468 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
470 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
471 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
472 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
473 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
474 (find_base_decl): New function, from c_find_base_decl in c-common.c.
475 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
476 (get_alias_set): Likewise.
477 Major rework to do more things and allow language-specific code
478 to just handle special-cases.
479 (record_alias_subset): Args are HOST_WIDE_INT.
480 (record_component_alias): Local vars are HOST_WIDE_INT.
481 Don't handle COMPLEX_EXPR.
482 (get_varargs_alias_set): Moved from builtins.c.
483 (get_frame_alias_set): New function.
484 * builtins.c (expand_builtin_return_address): Use frame alias set.
485 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
487 (get_memory_rtx): Rework to use set_mem_attributes.
488 (get_varargs_alias_set): Deleted from here.
489 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
490 (c_find_base_decl): Deleted from here.
491 (c_get_alias_set): Remove many cases and rework to just handle
493 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
494 * c-decl.c (rtl.h, expr.h): Now included.
495 (init_decl_processing): Call record_component_aliases on array types.
496 (grokdeclarator): Likewise.
497 Set TREE_ADDRESSABLE for all fields that are not bitfields.
498 * c-typeck.c (common_type): Call record_component_aliases for array.
499 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
500 Set all save areas to the frame alias set.
501 * calls.c (initialie_argument_information): Call set_mem_attributes.
502 (compute_argument_addresses, expand_call): Likewise.
503 * explow.c (set_mem_attributes): New function.
504 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
505 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
506 LEN and OFFSET now HOST_WIDE_INT.
507 (clear_by_pieces): Similar changes.
508 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
509 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
510 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
511 (clear_by_pieces_1): Likewise.
512 (emit_push_insn): Call set_mem_attributes.
513 (expand_expr, case INDIRECT_REF): Likewise.
514 (expand_expr, case VAR_DECL): Call change_address.
515 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
517 (get_varargs_alias_set, get_frame_alias_set): New decls.
518 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
519 (new_alias_set, set_mem_attributes): Likewse.
520 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
521 (assign_stack_temp_for_type): Likewise.
522 Can split slot even if alias set since can copy.
523 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
524 (assign_temp): Use host_integerp and tree_low_cst.
525 (put_var_into_stack): Properly handle SAVE_EXPR.
526 (put_addressof_into_stack): Likewise.
527 (assign_parms): Call set_mem_attributes.
529 (fix_lexical_address): Put reference to chain into frame alias set.
530 (expand_function_start): Call set_mem_attributes.
531 * integrate.c (expand_inline_function): Likewise.
532 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
533 * regmove.c (try_apply_stack_adjustment): Likewise.
534 * reload.c (push_reload, make_memloc): Likewise.
535 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
536 * rtl.def (MEM): Update comment.
537 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
538 (move_by_pieces): Change length to HOST_WIDE_INT.
539 (record_base_value, record_alias_subset): Delete from here.
540 * stmt.c (expand_decl): Call set_mem_attributes.
541 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
542 * toplev.c (compile_file): Call init_alias_once earlier.
543 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
544 from here: now in alias.c.
545 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
546 (struct tree_decl): Likewise.
547 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
548 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
549 (output_constant_def, force_const_mem): Likewise.
551 * flow.c (propagate_block): If block has no successors, stores to
552 frame are dead if not used.
554 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
556 * stmt (expand_end_case): Reorder conversion sequence for jump
557 table to avoid extra truncations.
559 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
561 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
562 in the block is more than just a simple conditional branch.
563 (noce_process_if_block): Similarly.
565 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
567 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
570 2000-05-30 Michael Meissner <meissner@redhat.com>
572 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
573 instructions. Treat LO_SUM operations as loading the full integer
576 2000-05-30 Richard Henderson <rth@cygnus.com>
578 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
580 2000-05-30 Richard Henderson <rth@cygnus.com>
582 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
584 2000-05-30 Bruce Korb <bkorb@gnu.org>
586 * fixinc/tests/*: Added expected result files for fixinc's make check
587 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
589 2000-05-30 Richard Henderson <rth@cygnus.com>
591 * config/alpha/alpha.md (*setne_internal): Use match_operator
592 instead of working down from insn.
594 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
596 * invoke.texi (-Wtraditional): Update WRT function macros.
598 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
600 * except.c (free_exception_table): Do not free NULL.
602 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
604 * cpplib.c (do_if): Don't save and restore only_seen_white here.
605 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
608 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
610 * flow.c (mark_used_reg): If a register is unconditionally live,
611 remove any conditional death information.
613 2000-05-29 Richard Henderson <rth@cygnus.com>
615 * final.c (current_output_insn): New.
616 (final_scan_insn): Set it.
617 * output.h: Declare it.
619 2000-05-29 Richard Henderson <rth@cygnus.com>
621 * stor-layout.c (finalize_record_size): Fix typo.
623 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
626 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
628 * cpplib.h (cpp_reader): Remove if_stack. Change
629 potential_control_macro to a cpp_hashnode *. Add skipping flag.
630 * cpphash.h (struct ihash): Change control_macro to a
631 cpp_hashnode * and shorten name to cmacro.
632 Add NEVER_REINCLUDE constant.
634 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
635 Examine the cmacro node directly, no need to call cpp_defined.
636 (_cpp_execute_include, read_include_file): Set cmacro to
637 NEVER_REINCLUDE, not U"".
638 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
639 (cpp_get_token): If pfile->skipping is true, discard text and
640 keep scanning until we hit a directive; don't expand macros.
642 * cpplib.c (struct if_stack): Remove if_succeeded, add
643 was_skipping. Change control_macro to a cpp_hashnode * and
644 shorten name to cmacro. Remove typedef IF_STACK.
645 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
646 (conditional_skip, skip_if_group,
647 consider_directive_while_skipping): Delete.
648 (push_conditional): New.
649 (_cpp_handle_directive): Don't process directives other than
650 conditionals if we are skipping.
652 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
653 Update to new scheme.
654 (validate_else): Skip rest of line here, unconditionally.
655 (_cpp_unwind_if_stack): The stack is per-buffer. Force
658 (all): Remove `scare quotes' from error messages.
660 2000-05-29 Richard Henderson <rth@cygnus.com>
662 * function.c (emit_return_into_block): New line_note arg; emit it.
663 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
664 for the close brace to accompany HAVE_return. Move all line notes
665 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
667 2000-05-29 Richard Henderson <rth@cygnus.com>
669 * longlong.h [__alpha] (count_leading_zeros): New.
670 (count_trailing_zeros): New.
671 (COUNT_LEADING_ZEROS_0): New.
673 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
674 (alpha_split_conditional_move): New.
675 * config/alpha/alpha-protos.h: Prototype them.
676 * config/alpha/alpha.h (PREDICATE_CODES): Update.
677 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
678 * config/alpha/alpha.md: Update ffs cix commentary.
680 (*nabssf2, *nabsdf2): New.
681 (*mov[qhsd]icc_internal): Use add_operand.
682 (if_then_else constant splitters): New.
683 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
684 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
686 2000-05-29 Richard Henderson <rth@cygnus.com>
688 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
689 a constant to NEG or NOT when conditions allow.
691 * combine.c (combine_simplify_rtx): Don't create an if_then_else
692 unless both args are general_operand. Don't canonicalize plus
693 to ior unless it helps.
695 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
696 instead track register_life_up_to_date. Toggle no_new_pseudos
699 2000-05-28 Geoff Keating <geoffk@cygnus.com>
701 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
702 so output_operand doesn't see them.
704 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
706 * lcm.c (make_preds_opaque): Fix comment.
707 (optimize_mode_switching): Use NORMAL_MODE instead of
708 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
709 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
710 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
711 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
712 (MODE_USES_IN_EXIT_BLOCK): Delete.
713 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
714 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
715 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
716 (MODE_NEEDED): Don't look for USE.
717 (EPILOGUE_USES): Define.
719 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
721 * mklibgcc.in (all): Variable initialised to `libgcc'.
723 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
725 * toplev.h (skip_leading_substring): New macro.
726 * toplev.c (decode_f_option): Use skip_leading_substring instead
728 (decode_W_option): Likewise.
730 2000-05-28 Nick Clifton <nickc@cygnus.com>
732 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
735 2000-05-28 Richard Henderson <rth@cygnus.com>
737 * regclass.c (record_operand_costs): Protect reg_changes_size
738 with CLASS_CANNOT_CHANGE_SIZE.
740 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
742 2000-05-28 Richard Henderson <rth@cygnus.com>
744 * function.c (diddle_return_value): A pcc-style struct return
747 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
749 * cppfiles.c: Read files in, using mmap if possible, then
750 prescan them separately.
751 (read_file, read_with_read): New functions.
752 * cpplex.c: Don't define UCHAR_MAX.
753 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
756 * cppinit.c (handle_option): Automatically define __cplusplus,
757 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
758 the respective -lang switch.
760 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
761 prototype): Move to...
762 * cpplib.h: ... here. Rename struct hashnode to struct
763 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
764 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
766 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
768 * config/rs6000/rs6000.md (movsi): Constify 'name'.
770 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
771 (class_can_change_size): New variable.
772 (reg_changes_size): New variable.
773 (init_reg_sets_1): Initialise class_can_change_size.
774 (record_operand_costs): Remove subreg_changes_size.
775 Don't pass it around. Instead update reg_changes_size.
776 (regclass): Initialise and free reg_changes_size. If a register
777 changes size, don't preference it to a class that contains
778 registers that can't change size.
779 (record_reg_classes): Don't look at subreg_changes_size.
781 2000-05-27 Richard Henderson <rth@cygnus.com>
783 * print-rtl.c (reg_names): Remove const.
784 * regclass.c (reg_names): Likewise.
785 * regs.h (reg_names): Likewise.
786 * hard-reg-set.h (reg_names): Likewise.
788 2000-05-27 Richard Henderson <rth@cygnus.com>
790 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
792 2000-05-27 Richard Henderson <rth@cygnus.com>
794 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
795 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
796 (alpha_expand_prologue): Emit prologue_mcount if needed.
797 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
798 * config/alpha/alpha.md (prologue_mcount): New.
799 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
800 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
801 * config/alpha/netbsd.h: Likewise.
803 2000-05-27 Richard Henderson <rth@cygnus.com>
805 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
806 change to config/elfos.h.
808 2000-05-27 Richard Henderson <rth@cygnus.com>
810 * Makefile.in (resource.o): Depend on except.h.
811 * except.h (output_exception_table_data): Prototype.
812 * genconfig.c (gen_peephole2): Prototype.
813 * genemit.c (main): Include ggc.h.
814 * genoutput.c: Revert parts of last change: include errors.h
815 (main): Set progname.
816 * recog.c: Include hard-reg-set.h before recog.h.
817 * resource.c: Include except.h.
819 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
821 (alpha_write_linkage): Protect with BUFSIZ.
822 (alpha_need_linkage): Update prototype.
823 * config/alpha/alpha.c (function_arg): Move VMS code here.
824 (alpha_links_base): Remove.
826 (mark_alpha_links_node, mark_alpha_links): New.
827 (alpha_write_one_linkage): New.
828 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
829 (alpha_write_linkage): Use splay_tree_foreach.
830 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
831 to get the linkage symbol.
832 (call_value_vms): Likewise.
833 * config/alpha/elf.h (output_file_directive): Remove decl.
834 (ctors_section, dtors_section): Prototype.
835 (sbss_section, sdata_section): Prototype.
836 * config/alpha/vms.h (FUNCTION_ARG): Remove.
837 (readonly_section, link_section, literals_section): Prototype.
838 (ctors_section, dtors_section): Prototype.
839 (vms_valid_decl_attribute_p): Remove decl.
840 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
842 2000-05-27 Geoff Keating <geoffk@cygnus.com>
844 * reload.c (get_secondary_mem): Don't widen floating-point modes.
846 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
847 substituting the REG in a (subreg:X (reg:Y ...)).
849 2000-05-28 Neil Booth <NeilB@earthling.net>
851 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
852 first token of a line BOL. Update EOF code for this.
853 Remove illegal directive check - it appears in the (not
854 yet committed) caller.
855 * cpplib.h (BOL): New flag.
857 2000-05-28 Neil Booth <NeilB@earthling.net>
859 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
860 (_cpp_free_toklist): No comment space to free.
861 (expand_comment_space): Remove.
862 (save_comment_space): Place the comment in the current token and
863 not in a separate comment space.
864 (_cpp_lex_line): Save comments during plain code and #define
866 * cpplib.h (struct _cpp_toklist): Remove comment space.
868 2000-05-28 Neil Booth <NeilB@earthling.net>
870 * cppexp.c (parse_assertion): Supply extra argument to
872 * cpplib.c (do_assert, do_unassert): Similarly.
873 * cpphash.h (_cpp_init_toklist) Update.
874 (_cpp_expand_token_space): New.
875 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
876 * cpplex.c (_cpp_init_toklist): New argument.
877 (parse_string2): New argument multiline_ok.
878 (spell_token): Take a const cpp_token *.
879 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
880 (SPELL_ macros): Replace with enum.
881 (expand_token_space): Replace with _cpp_expand_token_space.
883 (IS_DIRECTIVE): Update.
884 (_cpp_lex_line): Update token structure before parsing number.
885 Don't assume start at beginning of token list.
886 (save_comment): Use INIT_TOKEN_NAME.
888 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
890 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
891 -Wmissing-prototypes.
892 * configure: Regenerate.
893 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
895 * builtins.c, calls.c: Change all instances of gen_call_* or
896 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
897 * calls.c (struct_value_size_rtx): Separate definition from
898 initialization to avoid unused variable warning.
900 * genflags.c (gen_macro): New function.
901 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
902 (gen_nonproto): Delete.
903 (gen_insn): Put all insns on the same obstack.
904 (main): Generate prototypes for everything unconditionally.
906 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
907 out check for wchar_t.
908 * acconfig.h: Add template for ssize_t. Remove @TOP@.
909 * system.h: Add infrastructure for defining missing
910 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
911 definitions of UCHAR_MAX and SSIZE_MAX.
912 * configure: Regenerate.
913 * config.in: Regenerate.
915 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
916 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
918 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
919 libgcc2.a, or libgcc1.null.
921 2000-05-27 Richard Henderson <rth@cygnus.com>
923 * Makefile.in (recog.o): Don't depend on resource.h.
924 * recog.c: Don't include resource.h.
925 (recog_last_allowed_insn): Remove.
926 (recog_next_insn): Remove.
927 (struct peep2_insn_data): New.
928 (peep2_insn_data, peep2_current): New.
929 (peep2_next_insn): New.
930 (peep2_regno_dead_p, peep2_reg_dead_p): New.
931 (peep2_find_free_register): New.
932 (peephole2_optimize): Track life information by insn as we go.
933 * recog.h: Update declarations.
934 * resource.c (find_free_register, reg_dead_p): Remove.
935 * resource.h: Remove their declarations.
936 * toplev.c: Include hard-reg-set.h before recog.h.
938 * genconfig.c (max_insns_per_peep2): New.
939 (gen_peephole2): New.
941 * genemit.c (output_peephole2_scratches): Generate calls to
942 peep2_find_free_register; adjust surrounding code.
943 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
944 * genrecog.c (change_state): Don't track last_insn.
945 (write_action): Write into *_pmatch_len before accepting.
946 (write_tree): Adjust peephole2_insns and subroutines to match.
948 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
950 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
951 (hard_int_register_operand): New.
952 * config/alpha/alpha-protos.h: Declare it.
953 * config/alpha/alpha.h (PREDICATE_CODES): Update.
954 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
955 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
957 2000-05-27 Richard Henderson <rth@cygnus.com>
959 * function.c (thread_prologue_epilogue_insns): Don't move the
960 line note at the head of the chain. Only force a lineno note
961 before the end of block 0.
963 2000-05-27 Richard Henderson <rth@cygnus.com>
965 * gensupport.c (collect_insn_data): Record the maximum number
966 of alternatives, not the last seen.
968 * genoutput.c: Don't include errors.h.
969 (struct data): Add lineno member.
971 (scan_operands): Use message_with_line instead of error.
972 (validate_insn_alternatives): Likewise.
973 (gen_insn): Accept and store the pattern's line number.
974 (gen_peephole, gen_expand, gen_split): Likewise.
975 (main): Don't set progname. Pass line_no to gen_foo.
977 2000-05-27 Richard Henderson <rth@cygnus.com>
979 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
980 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
981 * config/d30v/d30v.md (attr predicable): New.
982 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
983 (andsi3*): Unify into one pattern.
984 (iorsi3*, xorsi3*): Likewise.
985 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
987 (old cond_exec patterns): Remove.
988 (define_cond_exec): New.
990 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
992 * tree.h (TREE_CODE_LENGTH): New macro.
993 * c-common.c (c_find_base_decl): Use it.
994 * expr.c (safe_from_p): Likewise.
995 * print-tree.c (print_node): Likewise.
996 * tree.c (make_node, copy_node, get_identifier): Likewie.
997 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
998 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
999 * fold-const.c (make_range): Likewise.
1000 (fold): Likewise; also use first_rtl_op.
1001 * c-iterate.c (collect_iterators): Use first_rtl_op.
1002 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
1003 Use IS_EXPR_CODE_CLASS.
1004 (preexpand_calls): Likewise.
1005 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1006 and TREE_CODE_LENGTH.
1007 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1009 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1011 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1013 (movdi_internal64): Likewise.
1015 * config/rs6000/rs6000.md: Correct order of operands for DImode
1018 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1019 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1020 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1021 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1022 boolean_operator for the boolean patterns without NOTs.
1024 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1025 from reg_or_u_cint_operand. Change comment and behaviour.
1026 (logical_operand): Clean up, add assertion.
1027 (non_logical_cint_operand): Also check for
1028 reg_or_logical_cint_operand.
1029 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1030 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1036 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1038 * tree.h (struct record_layout_info): Rename to (struct
1039 record_layout_info_s).
1040 * stor-layout.c (start_record_layout): Replace
1041 `record_layout_info' with `record_layout_info_s'.
1043 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1045 * flow.c (find_label_refs): New function.
1046 (find_basic_blocks_1): Call it for each alternative of a call
1049 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1051 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1054 2000-05-25 Richard Henderson <rth@cygnus.com>
1056 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1057 so strict about DImode.
1058 (alpha_swapped_comparison_operator): Likewise.
1059 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1060 any integer output mode.
1061 (*setcc_internal): Likewise.
1062 (*setcc_swapped_internal): Likewise.
1063 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1064 (*mov[qhs]icc_internal): New.
1065 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1067 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1069 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1071 2000-05-25 Richard Henderson <rth@cygnus.com>
1073 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1074 Remove add_jump; add next; replace flags with visited.
1076 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1077 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1078 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1079 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1081 (reorder_index, reorder_last_visited): Remove.
1082 (skip_insns_after_block): Rewrite to use a switch.
1083 (get_common_dest): Remove.
1084 (chain_reorder_blocks): Remove.
1085 (record_effective_endpoints): Split out from reorder_basic_blocks.
1086 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1087 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1088 Only construct the reorder chain, do not move insns. Try harder
1090 (label_for_bb, emit_jump_to_block_after): New.
1091 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1092 and adjust the jump insns appropriately. Fixup basic_block_info.
1093 (verify_insn_chain): Always define.
1094 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1096 (make_new_scope): Don't write zeros to calloc'd space.
1097 (build_scope_forest): Rely on xrealloc to DTRT.
1098 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1099 profile_arc_flag. Streamline EH test.
1101 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1102 * basic-block.h: Declare them.
1104 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1106 * emit-rtl.c (reset_used_decls): New function.
1107 (unshare_all_rtl_again): Call it.
1109 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1111 * cpplex.c (maybe_macroexpand): Warn about function-like
1112 macros used in non-function context, if -Wtraditional.
1114 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1116 * recog.c (peephole2_optimize): Use INSN_P.
1118 2000-05-25 Richard Henderson <rth@cygnus.com>
1120 * ifcvt.c (seq_contains_jump): New.
1121 (noce_try_store_flag_constants): Use it to fail conversion.
1122 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1124 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1126 * except.h (can_throw): Declare it.
1127 * except.c (can_throw): Give it external linkage.
1128 * resource.c (find_dead_or_set_registers): Use can_throw.
1130 2000-05-25 Richard Henderson <rth@cygnus.com>
1132 * flow.c (mark_set_1): Don't record conditionally dead memory.
1134 2000-05-25 Jan Hubicka <jh@suse.cz>
1136 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1137 and pc_set at the place of simplejump_p and condjump_p.
1138 * cse.c (record_jump_equiv): Likewise.
1139 * emit-rtl.c (emit): Likewise.
1140 * explow.c (find_next_ref): Likewise.
1141 * flow.c (tidy_fallthru_edge): Likewise.
1142 (init_propagate_block_info): Likewise.
1143 * gcse.c (delete_null_pointer_checks): Likewise.
1144 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1145 dead_or_predicable): Likewise.
1146 * integrate.c (copy_insn_list): Likewise.
1147 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1148 for_each_insn_in_loop, check_dbra_loop, get_condition,
1149 insert_bct, load_mems): Likewise.
1150 * resource.c (find_dead_or_set_registers): Likewise.
1151 * sibcalls.c (simplejump_p): Likewise.
1152 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1154 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1156 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1157 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1159 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1160 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1161 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1162 * rs6000.md: Name various internal patterns.
1164 2000-05-25 Jan Hubicka <jh@suse.cz>
1166 * jump.c (invert_exp_1): Remove first argument, use pc_set
1167 to get the expression.
1168 (redirect_exp): Make static; redirect only the pc_set expression,
1169 remove first argument.
1170 (invert_exp): Remove first argument, make static.
1171 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1172 any_onlyjump at most places where we originaly did condjump_p
1174 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1175 (delete_barrier_succesors): Use pc_set.
1176 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1177 calls of invert_exp and redirect_exp.
1178 * rtl.h (redirect_exp, invert_exp): Remove.
1179 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1181 2000-05-25 Richard Henderson <rth@cygnus.com>
1183 * stmt.c (expand_end_bindings): Fix thinko last change.
1185 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1186 Andrew Haley <aph@cygnus.com>
1188 * except.c (func_eh_entry): Add emitted field.
1189 (new_eh_region_entry): Set emitted field to 0;
1190 (output_exception_table_entry): Only emit previously un-emitted data,
1191 and send it to the eh_data section.
1192 (output_exception_table): Break out common parts. Output
1193 exception table for entire compilation unit to eh_data section.
1194 (output_exception_table_data): Common parts of output_exception_table.
1195 Send output to eh_data section.
1196 (output_function_exception_table): Output exception table data for
1197 a single function to eh_data section.
1198 (free_exception_table): New external to free the table.
1199 * except.h (free_exception_table): Add prototype.
1200 (output_function_exception_table): Add prototype.
1201 * final.c (final_end_function): Output function exception table
1202 for IA64_UNWIND_INFO.
1203 (final_scan_insn): Emit any unwind directives for an insn.
1205 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1207 * frame.c: Remove all DWARF 2 specific code.
1208 * config/ia64/frame-ia64.c: New file.
1209 (gthread_stuff): Make all gthread available with
1211 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1212 (__register_frame_info, __register_frame): Move to common area of file.
1213 (__register_frame_info_table, __register_frame_table): Move to common i
1215 (__deregister_frame_info, __deregister_frame): Move to common area.
1216 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1217 (read_uleb128): New version for ia64.
1218 (get_unwind_record): Read the next IA-64 unwind record.
1219 (read_R_record): Read a region header record.
1220 (process_a_b_reg_code): X record helper.
1221 (read_X_record): Read an X format record.
1222 (read_B_record): Read a B format record.
1223 (P3_record_types): List of record types matching the P3 format.
1224 (P7_record_types): List of record types matching the P7 format.
1225 (P8_record_types): List of record types matching the P8 format.
1226 (read_P_record): Read a P format record.
1227 (init_ia64_reg_loc): Set default fields for a register.
1228 (init_ia64_unwind_frame): Set defaults for all register records.
1229 (execute_one_ia64_descriptor): Execute one descriptor record.
1230 (rse_address_add): Calculate the position of a local reg in memory.
1231 (normalize_reg_loc): Turn a location descriptor into a memory address.
1232 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1233 within a specified PC offset range.
1234 (get_real_reg_value): Given a register location, retrieve its value.
1235 (set_real_reg_value): Change the value of a register location.
1236 (copy_reg_value): Copy reg values, if needed.
1237 (copy_saved_reg_state): Copy all registers that need to be copied.
1238 (process_state_between): Normalize all frame register records that
1239 fall within the specified PC range.
1240 (frame_translate): Take a processed frame description, and turn
1241 everything into addresses.
1242 (build_ia64_frame_state ): Find and create frame state record for a PC.
1243 (get_personality): Get the personality routine for a given frame.
1244 (get_except_table): Get the exception table for a given frame.
1245 (record_name): Unwind record names for debugging.
1246 (print_record): Print and unwind record.
1247 (print_all_records): Print an entire unwind image.
1248 (__ia64_backtrace): Print a backtrace.
1249 (ia64_backtrace_helper): New function.
1250 (__register_frame_info_aux): New function.
1251 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1253 * frame.h (enum unw_record_type): New unwind record types.
1254 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1255 (struct unw_r_record, unwind_record): New unwind record structs.
1256 (struct unwind_info_ptr): Unwind information layout.
1257 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1259 (struct ia64_reg_loc): Register location description.
1260 (struct ia64_frame_state): Location of all registers in a frame.
1261 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1262 * libgcc2.c (__ia64_personality_v1): Personality routine.
1263 (__calc_caller_bsp): Calculate the bsp register for the caller's
1265 (ia64_throw_helper): Figure out who to return to and set up the
1267 (__throw): Throw routine.
1269 * output.h (assemble_eh_align, assemble_eh_label): New functions
1270 to generate EH info where we want it.
1271 (assemble_eh_integer): New function.
1272 * toplev.c (compile_file): Output module level exception table for
1274 (main): Set exceptions_via_longjump and flag_new_exceptions based
1275 on IA64_UNWIND_INFO too.
1277 * varasm.c (assemble_eh_label): Generate a label via
1278 ASM_OUTPUT_EH_LABEL if it has been specified.
1279 (assemble_eh_align): Generate an alignment directive via
1280 ASM_OUTPUT_EH_ALIGN if it has been specified.
1281 (assemble_eh_label): Generate an integer value via
1282 ASM_OUTPUT_EH_type if they have been specified.
1283 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1284 (ia64_init_builtins): Add __builtin_ia64_bsp
1285 and __builtin_ia64_flushrs.
1286 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1287 IA64_BUILTIN_FLUSHRS.
1288 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1289 IA64_BUILTIN_FLUSHRS.
1291 * config/ia64/ia64.md (flushrs): New insn to flush the register
1292 stack. Add to unspec list.
1294 * config/ia64/crtbegin.asm (frame_object): Change size.
1295 (__do_frame_setup_aux): New function.
1296 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1297 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1298 * Makefile.in (LIB2ADDEH): Add.
1299 (LIB2ADD): Use LIB2ADDEH.
1301 2000-05-24 Richard Henderson <rth@cygnus.com>
1303 * recog.c (offsettable_address_p): If mode size is zero, assume
1306 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1308 * configure.in: Check for -Wno-long-long option support and improve
1309 handling of warning CFLAGS for stages 1 and 2.
1310 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1311 * configure: Regenerate.
1313 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1315 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1316 * contrib.texi: New file.
1318 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1320 * loop.c (basic_induction_var): Avoid double recording of an increment.
1322 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1324 * Back out this patch:
1325 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1326 * loop.h (struct induction): Add multi_insn_incr.
1327 * loop.c (basic_induction_var): New multi_insn_incr argument.
1328 Set it if we search back through previous insns for the biv.
1329 (record_biv): New multi_insn_incr argument; fill in struct induction.
1330 (strength_reduce): Discard an iv with multiple bivs, any of
1331 which require multiple insns to increment.
1333 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1335 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1337 * rtl.h (loc_mentioned_in_p): Declare.
1338 * reload.c (loc_mentioned_in_p): Moved from here...
1339 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1340 Fix loop increment for 'E' handling.
1341 * loop.c (strength_reduce): When doing biv->giv conversion,
1342 take multi-insn biv increments into account.
1344 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1346 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1349 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1351 * calls.c (expand_call): Handle cleanups in tail-recursion
1352 arguments analagously to cleanups in sibling calls.
1354 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1356 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1357 All callers changed.
1359 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1361 * expr.c (expand_assignment, store_expr, expand_expr,
1362 expand_expr_unaligned): Set in_check_memory_usage while emitting
1363 chkr_check_addr libcall.
1365 2000-05-24 Nick Clifton <nickc@cygnus.com>
1367 * fold-const.c (extract_muldiv): When constructing a
1368 multiplier/divisor, do not expect const_binop to correctly
1369 determine if overflow has occured, so check explicitly.
1371 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1373 * c-decl.c (build_enumerator): Don't modify the value's type,
1376 2000-05-24 Andreas Jaeger <aj@suse.de>
1378 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1380 2000-05-24 Eric Christopher <echristo@cygnus.com>
1382 * configure.in: Redefine inhibit_libc conditions.
1383 * libgcc2.c: Remove inhibit_libc conditional define.
1384 * configure: Regenerate.
1386 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1388 * configure.in: For --enable-languages=LIST, check for empty LIST.
1389 * configure: Regenerate.
1391 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1393 * pdp11.h (STACK_BOUNDARY): Define.
1395 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1397 * ifcvt.c (if_convert): Update life info globally.
1399 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1401 * emit-rtl.c (unshare_all_decls): New function.
1402 (unshare_all_rtl): Call it.
1404 2000-05-23 Nick Clifton <nickc@cygnus.com>
1406 * configure.in: Treat 'strongarm' as if it were 'arm' when
1407 determining cpu type.
1409 * configure: Regenerate.
1411 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1412 where constant strings are involved.
1414 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1417 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1418 cases where constant strings are involved.
1420 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1422 * config/sh/sh.c (gen_far_branch, split_branches): Update
1423 to reflect new prototypes for redirect_jump and invert_jump.
1424 (sh_insn_length_adjustment): Get rid of const warnings.
1426 2000-05-23 Kazu Hirata <kazu@hxi.com>
1428 * invoke.texi (Options for Debugging Your Program or GCC): Update
1429 the names of dump files.
1431 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1433 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1434 * configure: Regenerated.
1436 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1438 * simplify-rtx.c (SIGN_EXTEND): New macro.
1439 (simplify_unary_operation, simplify_binary_operation,
1440 simplify_relational_operation): Use SIGN_EXTEND. Make low
1441 halves of (low, high) pairs unsigned if they weren't already.
1442 (simplify_ternary_operation): Cast INTVAL to unsigned before
1443 comparing to a MODE_BITSIZE.
1445 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1447 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1448 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1450 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1451 gcc_AC_NEED_DECLARATIONS.
1453 * dwarfout.c: Don't prototype time().
1455 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1457 * system.h: Likewise.
1459 * toplev.c: Likewise.
1461 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1463 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1465 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1467 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1469 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1471 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1473 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1475 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1476 (alpha_start_function): Never write ..ng label if VMS or NT.
1477 (alpha_align_insns): Remove GP_IN_USE arg.
1478 Alignment now unsigned.
1479 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1480 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1481 and two define_insn's.
1483 2000-05-22 Richard Henderson <rth@cygnus.com>
1485 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1487 2000-05-22 Richard Henderson <rth@cygnus.com>
1489 * stor-layout.c (place_field): Change rli->size to rli->offset.
1491 2000-05-22 Richard Henderson <rth@cygnus.com>
1493 * function.c (thread_prologue_and_epilogue_insns): Make sure
1494 existing line number notes appear after the prologue.
1496 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1498 * config/alpha/alpha.c (alpha_fnname): New static variable.
1499 (print_operand, case '~'): New case.
1500 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1501 (alpha_start_function): Set alpha_fnname.
1502 Write "ng" label if no ldgp; don't write ldgp insn.
1503 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1504 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1506 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1508 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1511 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1513 * varasm.c (eh_frame_section): Revert change to argument list.
1515 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1517 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1518 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1520 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1521 dangling "else" that causes "break" to be conditional.
1522 Also remove unneeded code at start.
1524 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1526 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1527 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1528 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1530 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1532 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1535 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1537 * alias.c (record_component_aliases): New function.
1538 * tree.h: Clean up some declarations and comments.
1539 (record_component_aliases): New declaration.
1540 * tree.c (get_alias_set): If type and has alias set, use it.
1542 2000-05-22 Richard Henderson <rth@cygnus.com>
1544 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1545 IF_THEN_ELSE to a setcc form.
1546 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1548 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1550 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1551 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1553 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1555 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1558 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1560 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1561 * config/mn10300/mn10300.c (print_operand): Likewise.
1563 * final.c (split_double): Right shift of negative values is not
1566 * ifcvt.c (if_convert): Scan and kill dead code.
1568 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1570 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1572 * diagnostic.c: Eliminate implicit int.
1573 * except.c, gcc.c: Add static prototypes.
1574 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1575 * gensupport.c (process_rtx): Use XVEC to initialize vector
1578 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1579 debug_reg_names instead of static reg_names. If not, define
1581 * regclass.c: Don't define global reg_names unless
1582 DEBUG_REGISTER_NAMES is defined.
1584 * reload1.c (order_regs_for_reload): Remove unused variable.
1585 * varasm.c: Include output.h after defaults.h. Define
1586 eh_frame_section as function of no args, not of unspecified args.
1588 * gcc.c: Constify argbuf; arguments to store_arg,
1589 process_command, main; elements of struct command and struct
1590 switchstr; local variables in execute, process_command, main.
1592 2000-05-20 Bruce Korb <bkorb@gnu.org>
1594 * fixinc/inclhack.def: many applications of c_fix=format + tests
1595 * fixinc/check.diff: regenerated
1596 * fixinc/fixincl.x: regenerated
1598 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1600 * alias.c: Clarify some comments.
1601 (record_base_value): REGNO is unsigned.
1602 * rtl.h (record_base_value): Likewise.
1604 * alias.c (aliases_everything_p): Don't special-case QImode here.
1605 * c-common.c (c_get_alias_set): Do it here.
1606 Handle BIT_FIELD_REF by getting alias info for arg.
1609 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1611 * mklibgcc.in: Restore rule to create ${dir}.
1613 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1615 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1616 GCC_FOR_TARGET used by MULTILIBS.
1617 * mklibgcc.in: Make sure each .o file depends on the
1618 directory it will be in.
1619 Make the multilib directory depends libgcc.
1621 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1623 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1625 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1627 * fold-const.c (make_range): Handle degenerated intervals.
1628 Fixes c-torture/execute/991221-1.c
1630 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1632 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1633 * reload.c (find_equiv_reg): Likewise.
1634 * alias.c (init_alias_analysis): Likewise.
1635 Only call prologue_epilogue_contains on insns.
1636 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1637 * bb-reorder.c (hard-reg-set.h): Include earlier.
1638 * haifa-sched.c (hard-reg-set.h): Likewise.
1639 * ifcvt.c (hard-reg-set.h): Likewise.
1640 * local-alloc.c (hard-reg-set.h): Likewise.
1641 * loop.c (hard-reg-set.h): Likewise.
1642 * predict.c (hard-reg-set.h): Likewise.
1643 * regrename.c (hard-reg-set.h): Likewise.
1644 * flow.c (hard-reg-set.h): Likewise.
1645 (reg_set_to_hard_reg_set): New function.
1646 * bitmap.c (regs.h, basic-block.h): No longer include.
1647 (bitmap.h): Now include.
1648 * conflict.c (hard-reg-set.h): Include.
1649 * profile.c (hard-reg-set.h): Likewise.
1650 * print-rtl.c (hard-reg-set.h): Likewise.
1651 * sbitmap.c (hard-reg-set.h): Likewise.
1652 * toplev.c (hard-reg-set.h): Likewise.
1653 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1654 * hard-reg-set.h (reg_names): Now constant.
1655 * regs.h (reg_names): Likewise.
1656 * regclass.c (reg_names): Likewise.
1657 * loop.h (basic-block.h): No longer include.
1658 (bitmap.h): Now include.
1659 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1660 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1661 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1663 2000-05-19 Jan Hubicka <jh@suse.cz>
1664 Richard Henderson <rth@cygnus.com>
1666 * basic-block.h (struct edge_def): New field "count".
1667 (struct basic_block_def): Likewise.
1668 * flow.c (entry_exit_blocks): Add count fileds.
1669 (split_edge): Keep count information up-to-date.
1670 (dump_edge_info, dump_flow_info): Dump count fields.
1672 * final.c (count_instrumented_edges): Rename to edge from arc.
1673 (end_final): Update users.
1674 * profile.c: Include expr.h, basic-block.h.
1675 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1676 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1677 (ignore_next_note, return_label_execution_count): Kill.
1678 (bbg_file_name, da_file_name): Kill.
1679 (edge_info, bb_info): New structures.
1680 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1681 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1682 (total_num_edges_instrumented): Likewise.
1683 (init_arc, expand_spanning_tree): Kill.
1684 (fill_spanning_tree, tablejump_entry_p): Kill.
1685 (instrument_edges): Rewrite from instrument_arcs to use
1686 commit_edge_insertions infrastructure.
1687 (compute_branch_probabilities): Remove arguments; rewrite for
1688 CFG infrastructure; use rtl_dump_file directly.
1689 (branch_prob, find_spanning_tree): Likewise.
1690 (union_groups, find_group): New.
1691 (init_branch_prob): Make bbg_file_name and da_file_name local.
1692 (end_branch_prob): Use rtl_dump_file directly.
1693 (init_edge_profiler): Rename to edge from arc.
1694 (output_arc_profiler): Kill.
1695 (gen_edge_profiler): New.
1696 (output_func_start_profiler): Turn off profiling. Make the
1697 constructor static when we can.
1698 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1700 * toplev.c (DFI_flow): Remove.
1701 (DFI_cfg, DFI_life): New.
1702 (dump_file): Update accordingly.
1703 (compile_file): Call end_branch_prob if profile_arc_flag too.
1704 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1705 profiling after the CFG is built. Move flow1 life analysis to
1706 DFI_life. Always estimate remaining probabilities.
1708 2000-05-19 Richard Henderson <rth@cygnus.com>
1710 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1712 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1714 2000-05-19 Richard Henderson <rth@cygnus.com>
1716 * jump.c (redirect_jump): Add delete_unused argument. Don't
1717 remove labels and code following when LABEL_NUSES goes to zero.
1718 (invert_jump): Likewise.
1719 (jump_optimize_1): Fix redirect/invert arguments.
1720 (do_cross_jump, thread_jumps): Likewise.
1721 * flow.c (split_edge): Likewise.
1722 * reorg.c (optimize_skip): Likewise.
1723 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1724 * profile.c (instrument_arcs): Likewise.
1725 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1726 * rtl.h: Update prototypes.
1728 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1730 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1732 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1735 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1737 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1738 past l1 when deleting whitespace and markers.
1740 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1741 * cpplib.c (do_unassert): Put the list to compare against on
1744 2000-05-19 Bruce Korb <bkorb@gnu.org>
1746 * fixinc/README: cleaned up old documentation
1747 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1748 * fixinc/check.tpl: compute the list of needed directories
1749 emit "#if defined(name)" because of conflict
1750 omit machine name differences from output differences
1751 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1752 (machine_name): change test text to use `sed' markers
1753 * fixinc/fixincl.x: regen
1755 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1757 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1760 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1762 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1763 it to match the current practice.
1765 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1767 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1769 2000-05-18 Richard Henderson <rth@cygnus.com>
1771 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1772 * rtl.h (insn_dependant_p): Declare it.
1773 * loop.c (strength_reduce): Use it.
1775 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1777 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1778 16-bit and 64-bit clean-up.
1780 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1782 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1783 * configure: Rebuilt.
1785 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1787 * genopinit.c: Use $ for escape sequences in optab patterns.
1788 Remove backslashes from optab patterns. Change $A, $B, $C to
1789 expand to (int) whatever instead of just whatever; remove
1790 explicit (int) from all optab patterns.
1792 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1793 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1794 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1795 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1798 2000-05-18 Richard Henderson <rth@cygnus.com>
1800 * jump.c (jump_optimize_1): Base minimum insn count during
1801 find_cross_jump on BRANCH_COST.
1803 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1805 * print-rtl.c (print_rtx): Only print note line number as string
1806 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1807 * final.c (final_scan_insn): Do nothing for note line number 0.
1809 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1811 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1812 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1813 NOTE_INSN_DELETED_LABEL.
1815 2000-05-18 Nick Clifton <nickc@cygnus.com>
1817 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1818 uninitialised data in .rodata not .bss, and do not interpret an
1819 error in the initialisation value as meaning that the variable
1820 should be placed in the .bss section.
1822 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1824 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1825 not `$ac_cv_prog_cc_cc_c_o'.
1826 * configure: Regenerated.
1828 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1829 Richard Henderson <rth@cygnus.com>
1831 * c-common.h (enum c_tree_index): Add g77 type entries.
1832 (g77_integer_type_node, g77_uinteger_type_node): New.
1833 (g77_longint_type_node, g77_ulongint_type_node): New.
1834 * c-decl.c (init_decl_processing): Initialize them.
1836 2000-05-18 Richard Henderson <rth@cygnus.com>
1838 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1840 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1841 (small_power_of_two): Likewise; use exact_log2.
1842 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1843 (output_adds_subs): Remove.
1844 (two_insn_adds_subs_operand): New.
1845 (split_adds_subs): New.
1846 * config/h8300/h8300-protos.h: Update.
1847 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1848 (CONST_OK_FOR_L): Match strict adds operands.
1849 (CONST_OK_FOR_N): Match struct subs operands.
1850 * config/h8300/h8300.md (adds_subs insns): Remove.
1851 (addhi patterns): Output adds/subs directly.
1852 (addsi_h8300h): Likewise.
1853 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1855 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1857 * cppexp.c (parse_assertion): New.
1858 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1859 (_cpp_parse_expr): Remove case '#'. Don't set
1860 parsing_if_directive.
1861 * cpphash.c (collect_objlike_expansion,
1862 collect_funlike_expansion, collect_params,
1863 _cpp_create_definition): The list no longer has a trailing
1865 * cpphash.h (enum node_type): Add T_ASSERTION.
1866 (struct hashnode): Remove aschain, add pred.
1867 (struct predicate): New.
1870 * cpplex.c (expand_token_space): Handle both offset and
1872 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1873 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1874 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1875 _cpp_equiv_toklists): New.
1876 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1877 stop at any single-character token, not just newline.
1878 (_cpp_lex_token): Remove special cases for #define and #if.
1879 (cpp_get_token): Expect # as a separate token type. Remove
1881 (_cpp_get_directive_token): Remove DIRECTIVE case.
1882 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1884 * cpplib.c (_cpp_check_directive): Set dirno and
1885 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1886 (_cpp_handle_directive): Run # <number> through the same logic
1887 as normal directives.
1888 (do_define): Don't set parsing_define_directive. Use
1889 _cpp_scan_until. The list does not have a VSPACE at the end.
1890 (do_if): Save, clear, and restore only_seen_white around
1892 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1893 (do_assert, do_unassert): Rewrite.
1895 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1896 (LIST_OFFSET): New flag.
1897 (struct cpp_toklist): Replace dir_handler and dir_flags with
1899 (struct cpp_reader): Remove parsing_if_directive and
1900 parsing_define_directive.
1902 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1904 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1905 following the cabs decl which terminate on the following line.
1906 Add the corresponding test_text case.
1908 2000-05-18 Neil Booth <NeilB@earthling.net>
1910 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1911 default tab stop size.
1912 (no_num, OPT_ftabstop): New.
1913 (handle_option): Handle "ftabstop=" command-line option.
1914 (print_help): Document it.
1915 * cpplex.c (COLUMN): Remove.
1916 (handle_newline): Reset col_adjust.
1917 (skip_whitespace): Update col_adjust as tabs encountered.
1918 (_cpp_lex_line): Update to use col_adjust. Call
1919 skip_whitespace for all whitespace.
1920 * cpplib.h (struct cpp_options): New member tabstop.
1921 (struct cpp_reader): New member col_adjust.
1922 (CPP_BUF_COL): Update.
1923 (CPP_BUF_COLUMN): New.
1924 * cpp.texi: Document "-ftabstop=" command line option.
1926 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1928 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1930 * configure: Rebuilt.
1932 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1934 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1936 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1937 HOST_BITS_PER_WIDE_INT is >= 64.
1939 2000-05-17 Richard Henderson <rth@cygnus.com>
1941 * jump.c (jump_optimize_1): Remove inactive but real insns
1942 in jump-to-next-insn optimization.
1944 2000-05-17 Richard Henderson <rth@cygnus.com>
1946 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1947 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1948 Don't call recompute_reg_usage if no_new_pseudos is true.
1949 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1950 Return true if we did work; update global life information.
1951 * basic-block.h (optimize_mode_switching): Update decl.
1953 2000-05-17 Neil Booth <neilb@earthling.net>
1955 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1957 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1959 * cpplib.c: New feature, #pragma system_header.
1960 * cpp.texi: Document special treatment of system headers, and
1961 the various mechanisms to get a header that special treatment.
1963 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1965 * system.h (offsetof): Define at the very end, to ensure we prefer
1966 the platform's definition if available.
1968 2000-05-16 Bruce Korb <bkorb@gnu.org>
1970 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1971 * fixinc/server.c: likewise
1972 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1973 + #ifdef debugging code + use #def constant for
1975 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1976 on C++ math namespace
1978 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1980 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1981 Don't check the return value of sprintf. Use asprintf to avoid
1984 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1986 * flags.h (warn_unused_function, warn_unused_label,
1987 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1988 Replace ``warn_unused''.
1989 (set_Wunused): Add declaration.
1990 * toplev.c (set_Wunused): New function.
1991 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1992 warn_unused_variable, warn_unused_value): New variables.
1993 (W_options): Add -Wunused-function, -Wunused-function,
1994 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1995 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1997 * toplev.c (decode_W_option): Update -Wunused flags by calling
1999 * c-decl.c (c_decode_option): Ditto for -Wall.
2001 * stmt.c (expand_expr_stmt, expand_expr_stmt,
2002 warn_about_unused_variables): Replace warn_unused with more
2003 explicit warn_unused_value et.al.
2004 * function.c (expand_function_end): Ditto.
2005 * c-typeck.c (internal_build_compound_expr,
2006 internal_build_compound_expr): Ditto.
2007 * c-decl.c (poplevel, pop_label_level): Ditto.
2008 * toplev.c (check_global_declarations): Replace warn_unused with
2009 check for either warn_unused_function or warn_unused_variable.
2011 * gcc.1, invoke.texi (Warning Options): Document
2012 -Wunused-function, -Wunused-function, -Wunused-label,
2013 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2015 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2017 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2018 $(srcdir), not in the current directory.
2020 2000-05-16 Richard Henderson <rth@cygnus.com>
2022 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2023 assembler supports it.
2024 (.fini, .init): Use a gp-relative indirect call.
2025 (__do_global_dtors_aux): Preserve the gp; rebundle.
2026 (__do_frame_setup): Likewise.
2027 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2028 (.init): Use a gp-relative indirect call.
2029 (__do_global_ctors_aux): Preserve the gp.
2031 2000-05-16 Richard Henderson <rth@cygnus.com>
2033 * flow.c (commit_one_edge_insertion): Be prepared for a return
2034 insn to be inserted on the edge with a normal jump.
2035 * jump.c (jump_optimize_1): Don't look to create return isns.
2037 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2038 * jump.c (jump_optimize_1): Likewise.
2039 (returnjump_p): Verify the argument is a JUMP_INSN.
2040 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2042 2000-05-16 Nick Clifton <nickc@cygnus.com>
2044 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2045 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2046 (large_insn_p): Ditto.
2047 (m32r_is_insn): New function: Return true if the insn contains
2048 an executable instruction.
2049 (m32r_adjust_insn): Use m32r_is_insn.
2050 (m32r_sched_reorder): Use m32r_is_insn.
2051 (m32r_sched_variable_issue): Use m32r_is_insn.
2053 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2055 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2058 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2060 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2061 according to given options.
2063 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2065 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2066 if X has VOIDmode either.
2067 (LIMIT_RELOAD_CLASS): Similarly.
2069 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2070 not "general_operand" to match the processor's capabilities.
2072 2000-05-16 Bruce Korb <bkorb@gnu.org>
2074 * fixinc/README: corrected return address
2075 * fixinc/check.diff: regenerate, now that test works
2076 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2077 (char_macro_def_fix,char_macro_use_fix): corrected and
2078 rewrote to use regex to parse the text
2079 * fixinc/inclhack.def: more testing
2080 * fixinc/fixincl.x: regenerated
2082 * fixinc/inclhack.def: added several "test_text" attributes
2083 changed several fixes to use `c_fix = format'
2084 re-alphabetized the fixes
2086 * fixinc/check.diff: regenerate
2087 * fixinc/fixincl.x: regenerate
2088 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2092 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2094 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2096 2000-05-15 Richard Henderson <rth@cygnus.com>
2098 * toplev.c (rest_of_compilation): Run full jump pass before
2099 find_basic_blocks of flow2.
2101 2000-05-15 Richard Henderson <rth@cygnus.com>
2103 * jump.c: Fix typos and clarify commentary from last change.
2104 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2105 (safe_to_remove_jump_p): Remove.
2106 (condjump_label): Use pc_set.
2108 2000-05-15 Richard Henderson <rth@cygnus.com>
2110 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2111 that get in the way after reload.
2112 (cond_exec_process_if_block): Skip a label heading THEN block.
2114 2000-05-15 Richard Henderson <rth@cygnus.com>
2116 * varasm.c (output_constant_pool): Abort instead of converting
2117 (improperly) deleted labels to zero.
2119 2000-05-16 Neil Booth <NeilB@earthling.net>
2121 * cpplex.c (parse_string2): Update comment.
2122 (cpp_lex_line): No special assertion treatment for '('.
2123 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2124 * cpplib.h (SYNTAX_ASSERT): Remove.
2126 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2128 * jump.c (condjump_p): Mark as depreached.
2129 (any_condump_p): New.
2130 (any_uncondump_p): New.
2132 (safe_to_remove_jump_p): New.
2133 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2134 safe_to_remove_jump_p): Declare.
2136 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2138 * calls.c: Re-install both patches reverted by last patch.
2139 (struct arg_data): New field tail_call_reg.
2140 (initialize_argument_information): Initialize tail_call_reg
2141 (load_register_parameters): New argument flags, use
2142 tail_call_reg when emiting tail call sequence.
2143 (expand_call): Update call of load_register_parameters;
2144 copy unadjusted_args_size to adjusted_args_size.
2146 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2148 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2149 and bct_p parameters to flags.
2150 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2151 * rtl.h (loop_optimize): Update prototype.
2152 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2154 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2156 * calls.c (expand_call): Move expand_start_target_temps call after
2159 2000-05-15 Neil Booth <NeilB@earthling.net>
2161 * cpphash.c (trad_stringify, warn_trad_stringify,
2162 collect_params): Make some pointers pointers to const.
2163 * cpplex.c (auto_expand_name_space) Guaranteed to always
2164 expand by at least one character.
2165 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2166 (struct token_spelling): Use const U_CHAR * rather than PTR.
2167 (expand_name_space): Fix up token pointers if name space
2168 is moved when expanding.
2169 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2170 parse_string2, save_comment, spell_token, cpp_output_list):
2171 Update so the routines handle tokens with a direct pointer to
2172 their text, rather than an offset into the token's list's namebuf.
2173 (_cpp_lex_line): Rearrange for clarity.
2175 * cpplib.c (_cpp_check_directive): Similarly.
2176 (do_define): Make SYM a pointer to const.
2177 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2178 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2179 (TOK_OFFSET): Delete.
2182 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2184 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2187 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2189 (logical_u_operand): Delete.
2190 (non_logical_cint_operand): Rewrite to take MODE into account.
2191 (non_logical_u_cint_operand): Delete.
2192 (boolean_operator): New function.
2193 (print_operand): Add new %q operand.
2194 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2195 remove logical_u_operand and non_logical_u_cint_operand,
2196 update logical_operand and non_logical_cint_operand.
2197 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2198 logical operations to use %q.
2200 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2201 (movdi): Make similar to movsi.
2202 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2203 is no such thing as a DImode CONST_DOUBLE.
2204 * config/rs6000/rs6000.c (output_toc): Likewise.
2206 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2207 codes when old mnemonics are in use. Print register names
2208 for cc registers when requested.
2210 * optabs.c (expand_float): Don't allow mode widening that causes
2213 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2214 flags to their current names -maix64 and -maix32.
2216 2000-05-14 Bruce Korb <bkorb@gnu.org>
2218 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2219 and/or after current text of file
2220 * fixinc/fixlib.c(must_malloc):
2221 * fixinc/fixlib.h(must_malloc): + reformatting
2222 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2223 with usages of ``c_fix = wrap;''
2224 Add several tests and use the ``c_fix = format'' fixer more.
2225 * fixinc/fixincl.x: regen
2226 * fixinc/check.diff: regen
2227 * fixinc/check.tpl: emit the associated header with the missing
2230 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2232 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2233 variables $src and $dst.
2235 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2237 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2238 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2239 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2240 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2242 (set_message_prefixing_rule): Declare.
2244 * diagnostic.c: (current_prefixing_rule): New variable.
2245 (set_message_prefixing_rule): Define.
2246 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2247 (init_output_buffer): Adjust Initialization.
2248 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2250 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2252 * ifcvt.c (if_convert): Do not free NULL.
2254 2000-05-12 Nick Clifton <nickc@cygnus.com>
2256 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2257 to move a double word value.
2258 (di_operand): New function: Return true if the operand is suitbale
2259 for a double word move operation.
2260 (nonimmediate_di_operand): New function: Return true if the
2261 operand is a DImode register or MEM.
2263 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2264 nonimmediate_di_operand.
2266 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2267 nonimmediate_di_operand.
2269 * config/fr30/fr30.md (movdi): New pattern. Required because
2270 other patterns generate DImode results.
2271 (movdi_insn): New pattern.
2273 2000-05-12 Richard Henderson <rth@cygnus.com>
2275 * config/alpha/alpha.c (struct shadow_summary): Define
2276 bitfields as type unsigned int.
2278 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2280 * config/avr/t-avr: Added definition of FLOAT while generates
2283 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2284 peepholes for tst+jump = sbrs/sbrc optimization.
2286 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2288 * expr.c (emit_push_insn): Do not adjust stack pointer when
2291 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2293 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2294 * system.h (offsetof): ... to here.
2296 2000-05-12 Richard Henderson <rth@cygnus.com>
2298 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2299 * final.c (final_end_function): Use app_disable. Rearrange note
2300 handling into a switch. Emit deleted labels.
2301 (output_asm_label): Generate label strings for deleted labels.
2302 * flow.c (tail_recursion_label_list): New.
2303 (find_basic_blocks_1): Set label_value_list directly. Collect list
2304 of tail recursion labels from call_placeholders. Don't add deleted
2305 labels to the label value list.
2306 (cleanup_cfg): Use free_EXPR_LIST_list.
2307 (flow_delete_insn_chain): Turn non-removable labels into notes.
2308 (flow_delete_block): Don't disable deleting the block because of
2309 a non-removable label.
2310 (tail_recursion_label_p): New.
2311 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2313 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2315 (merge_blocks): Disable a merge because of tail recursion labels.
2316 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2317 Use a more accurate measure of not merging the join block.
2318 (find_if_block): Don't disable conversion because of a label.
2319 (find_if_case_1, find_if_case_2): Likewise.
2320 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2321 element when copying.
2322 (squeeze_notes): Also leave EH notes.
2323 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2325 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2327 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2328 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2329 referring to a deleted label. Convert tail handling to a switch.
2330 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2331 for NOTE_INSN_DELETED_LABEL.
2332 (NOTE): Fix commentary.
2333 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2334 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2335 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2336 (LABEL_NUSES, LABEL_REFS): Likewise.
2337 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2339 2000-05-12 Bruce Korb <bkorb@gnu.org>
2341 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2342 * fixinc/check.diff: updated
2343 * fixinc/inclhack.def: corrected & added some test_text-s
2344 * fixinc/genfixes: removed unneeded options to autogen invocation
2345 * fixinc/fixincl.tpl: Specified the output file
2346 * fixinc/fixfixes.c: visual appearance
2347 * fixinc/fixincl.x: regenerate
2349 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2351 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2352 CTRL_defn_fix): Delete.
2353 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2354 char_macro_def_fix and char_macro_use_fix, respectively. Put
2355 them into the FIXUP_TABLE. Get the string to search for from
2358 (format_write): New function.
2359 (format_fix): Use it.
2361 (FIX_PROC_HEAD): Constify text parameter.
2362 (machine_name_fix): Constify all char *s.
2363 * fixtests.c (skip_quote): Remove double static.
2365 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2366 ctrl_use_quotes): Update for new scheme.
2367 * fixincl.x: Regenerate.
2369 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2371 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2373 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2374 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2376 2000-05-11 Robert Lipe <robertlipe@usa.net>
2378 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2379 * fixincl.x: Regenerate.
2381 2000-05-11 Richard Henderson <rth@cygnus.com>
2383 * calls.c: Revert both 05-09 patches.
2385 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2387 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2389 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2392 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2393 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2395 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2397 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2399 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2401 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2403 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2405 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2406 * config/avr/avr.c (jump_over_one_insn_p): New function.
2407 * config/avr/avr.md: New peepholes added. Output test and
2408 conditional jump to "sbrc" or "sbrs" command.
2410 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2412 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2414 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2416 * except.c (find_exception_handler_labels_1): New function.
2417 (find_exception_handler_labels): Split into two functions, dive
2418 into CALL_PLACEHOLDERs when looking for exception handler labels.
2420 2000-05-11 Stan Cox <scox@cygnus.com>
2422 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2423 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2424 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2426 2000-05-11 Bruce Korb <bkorb@gnu.org>
2428 * fixinc/fixfixes.c (double_slash_fix): obsolete
2429 (else_endif_label_fix): obsolete
2430 (format_fix): new, unused as yet
2432 * fixinc/fixlib.h: added fix description struct for use by format_fix
2433 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2434 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2435 modules. Removed the vestiges of the script version.
2436 Added support for "make check".
2437 * fixinc/check.diff: base diff file (needs work!!)
2438 * fixinc/check.tpl: quiet the fixup output
2439 * fixinc/fixtests.c (main): obsolete
2440 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2441 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2443 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2445 * toplev.c (rest_of_compilation): Remove dead code after
2448 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2450 * cpphash.c (collect_funlike_expansion): Make "# is not
2451 followed by a macro argument name" a pedwarn, not an error.
2452 Preserve the # in the output. Suppress the warning if lang_asm.
2454 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2456 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2457 * configure: Rebuilt.
2459 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2461 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2463 2000-05-10 Kazu Hirata <kazu@hxi.com>
2465 * combine.c (try_combine): Fix a typo.
2467 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2469 * config/ia64/ia64.md (insv): Add comment.
2471 2000-05-10 Richard Henderson <rth@cygnus.com>
2473 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2474 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2475 dependancies on FPBIT and DPBIT.
2477 2000-05-10 Nick Clifton <nickc@redhat.com>
2479 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2480 when optimising for size.
2481 (mark_used_regs:) Ditto.
2482 (try_pre_increment_1): Ditto.
2484 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2486 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2487 Make error message friendlier.
2489 * cpphash.h (struct hashnode): Use struct hack for name
2491 * cpphash.c (struct hashdummy): New.
2492 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2493 (make_HASHNODE): No need to set ->name pointer. Correct
2495 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2497 2000-05-10 Richard Henderson <rth@cygnus.com>
2499 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2502 2000-05-10 Bruce Korb <bkorb@gnu.org>
2504 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2506 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2508 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2509 after we enter .debug.
2511 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2513 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2514 abstract instance of a nested inline function.
2516 * stor-layout.c (finish_record_layout): finalize_type_size
2517 before laying out the pending_statics.
2519 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2521 * cpplex.c (spell_token): New function.
2522 (spell_string, spell_comment, spell_name): fold into
2525 (E, H): Remove macros.
2526 (save_comment): Save comment opening characters too.
2527 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2529 * cpplib.h (I, S): Add macros.
2530 (E, H): Remove macros.
2531 (TTYPE_TABLE): Update entries for new speller.
2532 (SYNTAX_ASSERT): Remove.
2534 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2536 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2537 when removing escaped newlines. Reverse sense of test for
2540 2000-05-09 Richard Henderson <rth@cygnus.com>
2542 * flow.c (find_basic_blocks_1): Do not delete the first
2543 bb_note we run across.
2544 (create_basic_block): Use reorder_insns to move an existing
2545 bb_note to the correct place.
2547 2000-05-09 Richard Henderson <rth@cygnus.com>
2549 * calls.c (expand_call): Increment currently_expanding_call
2550 before calling optimize_tail_recursion.
2552 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2554 * reload1.c (reload_combine): Fix errors in last change.
2556 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2558 * gcc.c (used_arg): Skip over a semicolon at the end of the
2559 split-up loop; don't break out of it.
2561 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2562 (tree.o): Depend on output.h.
2564 * c-decl.c (pending_invalid_xref_file,
2565 current_function_prototype_file): Constify.
2566 (pushdecl): Constify a local char *.
2567 (define_label): Constify filename parameter.
2568 * c-lex.c (init_parse): Constify parameter and return value.
2569 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2570 * c-tree.h: Update prototypes.
2571 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2572 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2573 objc/objc-parse.c: Regenerate.
2575 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2576 * dwarfout.h: Update prototypes.
2577 * expr.c (expand_expr): Constify a local char *.
2578 * flags.h: Constify main_input_filename.
2579 * function.c (expand_function_end): Constify filename parameter.
2580 * genrecog.c (make_insn_sequence): Use a character array for
2582 (main): Remove unused variables.
2583 * input.h: Constify input_filename, main_input_filename, and
2584 file_stack.name. Update prototypes.
2585 * output.h: Declare first_global_object_name and
2586 weak_global_object_name here, as const char *.
2587 * stmt.c (expand_asm_operands): Constify filename parameter.
2588 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2589 Constify filename parameter.
2590 (input_filename, main_input_filename): Constify.
2591 * toplev.h: Update prototypes.
2592 * tree.c: Include output.h. Don't declare
2593 first_global_object_name or weak_global_object_name. Clean up string
2594 bashing in get_file_function_name_long.
2595 * tree.h (struct tree_decl): Constify filename member.
2596 (input_filename): Constify.
2598 * varasm.c (first_global_object_name, weak_global_object_name):
2600 (assemble_start_function, assemble_variable): Clean up string bashing.
2602 * gcc.c: Constify all spec-related strings initialized,
2603 transitively, from string constants. Constify all strings
2604 and string variables related to multilibs.
2605 (set_spec, read_specs): Cast argument to free to PTR.
2606 (used_arg): Do not modify multilib_matches. Use strncmp plus
2607 length comparison to compare multilib switches.
2608 * genmultilib: Constify everything declared in multilib.h.
2610 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2612 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2615 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2617 * config/avr/avr-protos.h (extra_constraint): change a type of
2618 second argument from char to int to avoid warnings.
2619 (asm_output_byte): Likewise.
2621 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2622 (initial_elimination_offset): Handle elimination from
2623 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2624 (legitimate_address_p): Use MAX_LD_OFFSET.
2625 (legitimize_address): Likewise.
2626 (out_movqi_r_mr): Likewise.
2627 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2628 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2629 (out_movsi_mr_r): Likewise.
2630 (out_movqi_mr_r): Likewise.
2631 (out_movhi_mr_r): Likewise.
2632 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2633 count as CONST_INT != 6.
2634 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2635 shift count is a CONSTANT_P, but not a CONST_INT.
2636 (ashlhi3_out): Coding style modifications.
2637 (ashlsi3_out): Likewise.
2638 (ashrhi3_out): Likewise.
2639 (ashrsi3_out): Likewise.
2640 (lshrhi3_out): Likewise.
2641 (lshrsi3_out): Likewise.
2642 (ashrqi3_out): Generate shift for any known constant count without
2643 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2644 but not a CONST_INT.
2645 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2646 shift count is a CONSTANT_P, but not a CONST_INT.
2647 (extra_constraint): change a type of
2648 second argument from char to int to avoid warnings.
2649 (asm_output_byte): Likewise.
2650 (asm_file_end): Output size generated commands count as a hex
2653 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2655 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2657 (ashlqi3): Values of "length" attribute changed. Shift count
2658 uses constraints 'n' instead of 'i'.
2659 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2660 shifts without clobber register.
2661 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2662 (call_insn): Correct test for which_alternative == 1 (was 0).
2663 (call_value_insn): Likewise.
2665 * config/avr/t-avr: Remove definition of FLOAT while generates
2668 2000-05-09 Bruce Korb <bkorb@gnu.org>
2670 * fixinc/check.tpl: Template for checking fixes
2671 * fixinc/inclhack.def: Added 'test_text' for many fixes
2672 disable hpux8_bogus_inlines on SCO
2673 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2675 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2677 * calls.c (expand_call): Reorganize somewhat in order
2678 to avoid unnecesary recalculation inside loop and make
2679 tail call failure code cleaner.
2681 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2683 * alias.c (nonlocal_reference_p): Minor reformatting.
2684 * reload.c (find_equiv_reg): Simplify logic for
2685 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2686 some some reformatting.
2687 * reload1.c (reload_combine): Don't assume everything in
2688 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2690 2000-05-08 Richard Henderson <rth@cygnus.com>
2692 * final.c (current_insn_predicate): New.
2693 (final_scan_insn): Set it.
2694 * output.h (current_insn_predicate): Declare.
2696 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2697 Attach it to call insns.
2698 (cond_exec_process_if_block): Track probability for true and
2700 (dead_or_predicable): Likewise.
2702 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2703 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2704 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2705 (estimate_probability, expected_value_to_br_prob): Use them.
2707 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2708 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2709 (ia64_expand_prediction): New.
2710 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2711 as needed after calls.
2712 (ia64_epilogue_uses): Mark b0 used.
2713 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2714 (bne_true, bne_false): Remove.
2715 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2716 (br_true, br_false): New. Use predicate_operator and
2717 ia64_expand_prediction.
2718 (return_true, return_false): Likewise.
2719 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2720 (call_internal1, call_value_internal): Likewise.
2721 (call_value_internal1, call_multiple_values_internal1): Likewise.
2723 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2725 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2727 2000-05-08 Richard Henderson <rth@cygnus.com>
2729 * rtlanal.c (may_trap_p): Consider old-style and volatile
2732 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2734 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2736 2000-05-08 Richard Henderson <rth@cygnus.com>
2738 * config/ia64/ia64.h (predicate_operator): Declare.
2740 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2743 * gensupport.c (process_rtx): Copy and post-process each member
2744 of the define_insn rtvec individually.
2746 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2748 * cpplex.c (spell_token): New function.
2749 (TOKEN_LEN): Add 1 for whitespace.
2750 (_cpp_lex_file): Update to use spell_token.
2751 * cpplib.h (E): Remove.
2752 (TTYPE_TABLE): Update CPP_VSPACE entry.
2754 2000-05-08 Richard Henderson <rth@cygnus.com>
2756 * flow.c (init_propagate_block_info): Watch out for conditional
2757 branch to next instruction, and thus one outgoing edge.
2759 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2760 for global register variables; don't special case __[CD]TOR_LIST__;
2761 mind ggc_p for string allocation.
2763 2000-05-08 Nick Clifton <nickc@cygnus.com>
2765 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2767 2000-05-08 Bruce Korb <bkorb@gnu.org>
2769 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2770 i?86-*-msdosdjgpp* no longer uses fixincludes
2771 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2772 * fixinc/inclhack.sh: deleted
2773 * fixinc/hackshell.tpl: deleted
2774 * fixinc/inclhack.tpl: deleted
2775 * fixinc/Makefile.in: Remove dependencies on above
2776 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2778 2000-05-08 Andreas Jaeger <aj@suse.de>
2780 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2783 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2785 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2788 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2790 * cpplex.c: Move new lexer definitions and prototypes
2791 to top. Conditional include these and the code if
2792 NEW_LEXER is defined. Rename functions whose names
2793 clash if this code included.
2795 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2797 * rtl.def (COND_EXEC): Clarify.
2799 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2800 same fashion as zero_extendsidi2.
2802 2000-05-06 Richard Henderson <rth@cygnus.com>
2804 * config/ia64/ia64.c (predicate_operator): New.
2805 (ia64_print_operand): Handle 'J'.
2806 (rtx_needs_barrier): Handle COND_EXEC.
2807 * config/ia64/ia64.h (BRANCH_COST): Define.
2808 (PREDICATE_CODES): Update.
2809 * config/ia64/ia64.md: Docuement used unspec values.
2810 (attr predicable): New.
2811 (movxf, movxf_internal): New.
2812 (extendsfdf2): Don't comment out nop.
2813 (floatdidf2): Remove.
2814 (truncxfsf2, truncxfdf2, floatdixf2): New.
2815 (abssi2, absdi2): Put the neg in the "true" slot.
2816 (conditional branch instructions): Mark not predicable.
2817 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2818 (abs*_internal): Likewise.
2819 (alloc, set_bsp): Mark not predicable.
2820 (barrier, insn_group_barrier, flush_cache): Likewise.
2821 (define_cond_exec): New.
2823 2000-05-06 Richard Henderson <rth@cygnus.com>
2825 * c-decl.c: Include "tm_p.h".
2827 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2828 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2829 (ia64_expand_op_and_fetch): Declare.
2830 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2831 (setjmp_operand): Constify variables for XSTR.
2832 (ia64_encode_section_info): Likewise.
2833 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2835 (ia64_asm_output_external): Constify name.
2836 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2837 (process_for_unwind_directive): Provide switch default.
2838 (ia64_expand_compare_and_swap): Remove unused variables.
2839 (ia64_expand_builtin): Likewise.
2840 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2843 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2844 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2845 (shift_count_operand, shift_32bit_count_operand): Likewise.
2846 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2847 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2848 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2849 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2850 (ia64_expand_builtin): Likewise.
2851 (call_multiple_values_operation): Make dest_regno unsigned.
2853 2000-05-06 Richard Henderson <rth@cygnus.com>
2855 * rtl.def (DEFINE_COND_EXEC): New.
2856 * md.texi: Document it.
2858 * gensupport.c (input_file): Remove.
2859 (struct queue_elem): Add lineno.
2860 (rtx_ready_queue): Remove.
2862 (predicable_default): New.
2863 (predicable_true, predicable_false): New.
2864 (define_attr_queue, define_attr_tail): New.
2865 (define_insn_queue, define_insn_tail): New.
2866 (define_cond_exec_queue, define_cond_exec_tail): New.
2867 (other_queue, other_tail): New.
2868 (queue_pattern): New.
2869 (process_rtx): Add patterns to the appropriate queues.
2870 (is_predicable, identify_predicable_attribute): New.
2871 (n_alternatives, collect_insn_data): New.
2872 (alter_predicate_for_insn, alter_test_for_insn): New.
2873 (shift_output_template, alter_output_for_insn): New.
2874 (process_one_cond_exec, process_define_cond_exec): New.
2875 (init_md_reader): Read the entire file. Process define_cond_exec.
2876 (read_md_rtx): Return elements from the queues.
2878 2000-05-06 Richard Henderson <rth@cygnus.com>
2880 * flow.c (mark_set_1): Don't update conditional life info
2881 if the register is not_dead.
2883 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2885 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2886 (mostlyclean): Also delete fixincl, fixinc.sh, and
2887 specs.ready, and make clean in the fixinc subdir.
2889 2000-05-06 Richard Henderson <rth@cygnus.com>
2891 * Makefile.in (gensupport.o): Compile for the host.
2892 (host-prefix gensuuprt.o): Remove.
2893 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2894 (genattrtab.o): Likewise.
2895 (gencodes.o): Depend on gensupport.h.
2896 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2897 (genpeep.o, genattr.o, genoutput.o): Likewise.
2899 * gensupport.c (obstack, rtl_obstack): New.
2900 (init_md_reader): Initialize rtl_obstack.
2901 * gensupport.h (rtl_obstack): Declare.
2902 (message_with_line): Declare.
2904 * genattr.c: Remove all traces of obstack manipulation.
2905 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2906 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2908 * genattrtab.c (obstack, rtl_obstack): Remove.
2909 (main): Don't init rtl_obstack.
2910 * genflags.c: Likewise.
2912 * genrecog.c (message_with_line): Move ...
2913 * gensupport.c: ... here.
2915 2000-05-06 Richard Henderson <rth@cygnus.com>
2917 * c-typeck.c (build_c_cast): Remove dead code.
2919 2000-05-06 Richard Henderson <rth@cygnus.com>
2921 * flow.c (split_edge): Don't allocate global_live_at_start for
2922 the new block unless the old blocks had them as well.
2924 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2926 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2927 test_bb if a or b uses x.
2929 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2931 * cpphash.h: Remove conditional #define of __extension__.
2932 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2933 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2934 (ENABLE_RTL_CHECKING only).
2935 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2936 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2937 (ENABLE_TREE_CHECKING only).
2938 * varray.h: Add __extension__ to VARRAY_CHECK macro
2939 (ENABLE_CHECKING only).
2941 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2943 Use new tail-calling mechanism on ARM.
2944 * arm.md (sibcall, sibcall_value): New expands.
2945 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2946 (tailcalling peepholes): Delete.
2947 (push_multi): Simplify.
2948 * arm.c (lr_save_eliminated): Delete definition.
2949 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2950 (output_return_instruction): Remove checks on lr_save_eliminated.
2951 (output_arm_prologue): Remove old tail-calling code.
2952 (arm_output_epilogue): New parameter, really_return. All callers
2953 changed. Handle tail-calling epilogues.
2954 * arm.h (lr_save_eliminated): Delete declaration.
2955 (frame_pointer_needed): Delete declaration.
2956 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2958 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2960 * arm.c (thumb_code): Define it.
2961 (arm_override_options): Set it.
2962 * arm.h (thumb_code): Declare it.
2964 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2966 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2968 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2970 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2971 bogus clobber to insns.
2972 (load_multiple_operation, store_mulitple_operation): Don't check
2974 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2976 * arm.md (and_scc, ior_scc): Add missing mode.
2978 * arm.md (call_value_symbol): Remove predicate from op2.
2980 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2982 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2984 * expr.c (get_subtarget): New function.
2985 (force_operand, expand_expr, do_store_flag): Use it.
2987 * toplev.c (compile_file): Don't take strlen of NAME if null.
2989 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2991 * xcoffout.c (xcoff_current_include_file,
2992 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2993 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2995 (xcoffout_declare_function): Make name 'const char *'.
2996 (xcoffout_end_epilogue): Make fname 'const char *'
2997 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2998 xcoffout_declare_function, xcoffout_source_line): Match above.
3000 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
3002 * rs6000.c (print_operand): Fix lossage typo.
3003 (output_cbranch): Remove "cr" decoration for now.
3004 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3006 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3008 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3011 2000-05-05 Bruce Korb <bkorb@gnu.org>
3013 * fixinc/genfixes: Improve the matching for make target names
3015 2000-05-05 Catherine Moore <clm@cygnus.com>
3017 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3018 attribute to the decl.
3019 * c-decl.c (pushdecl): Propagate the USED attribute to the
3022 2000-05-05 Richard Henderson <rth@cygnus.com>
3024 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3025 same way emit_group_load does.
3027 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3029 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3031 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3034 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3036 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3038 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3040 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3041 to support -shared, on platforms with dynamic libraries.
3043 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3045 * system.h (S_ISBLK): Provide fallback definition.
3047 2000-05-05 Geoff Berry <geoffb@bops.com>
3049 * extend.texi (Extended Asm): Document inability to give asm
3050 statements access to condition codes.
3052 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3054 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3055 as arg 2 of UNIQUE_SECTION.
3057 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3059 * predict.c: Remove May 4 change.
3060 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3061 if we have predicted the branch at 50-50 probability.
3063 2000-05-05 Richard Henderson <rth@cygnus.com>
3065 * flow.c (init_propagate_block_info): Fix merge error
3066 in HAVE_conditional_execution code.
3068 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3070 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3071 shift cycle for unknown shift count. Also generates dec + brpl.
3072 (ashlqi3_out): Don't generate dec + brpl which now generates by
3073 `out_shift_with_cnt'.
3074 (ashlhi3_out): Likewise.
3075 (ashlsi3_out): Likewise.
3076 (ashrqi3_out): Likewise.
3077 (ashrhi3_out): Likewise.
3078 (ashrsi3_out): Likewise.
3079 (lshrqi3_out): Likewise.
3080 (lshrhi3_out): Likewise.
3081 (lshrsi3_out): Likewise.
3083 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3085 * gcc.c (free_split_directories): Correct typo in explanation
3086 of make_relative_prefix.
3088 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3090 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3091 comparison codes to branch_comparison_operator.
3093 2000-05-04 Richard Henderson <rth@cygnus.com>
3095 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3097 2000-05-04 Richard Henderson <rth@cygnus.com>
3099 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3100 (DPBIT_FUNCS): Remove _sf_to_usi.
3101 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3103 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3104 between condition and jump.
3106 * libgcc2.c (near eh_context_specific): Comment #endif string.
3107 * longlong.h: Don't use strings with embedded newlines.
3109 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3111 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3112 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3113 (print_operand): Delete %t and %T codes.
3114 (output_cbranch): New function. Support branch prediction.
3115 * config/rs6000/rs6000.md: Use output_cbranch for
3116 conditional branches and returns.
3118 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3120 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3121 * stor-layout.c (place_field): Likewise.
3122 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3123 * expr.c (store_expr): Make align unsigned.
3124 * explow.c (plus_constant_wide): Make low words unsigned.
3125 * expmed.c (choose_multiplier): Likewise.
3126 * fold-const.c (fold): Likewise.
3127 * tree.h (build_int_2): Likewise.
3128 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3129 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3130 (init_emit): Change cast to unsigned char*.
3131 * varasm.c (compare_constant_1): Add cast to char*.
3132 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3133 * reload1.c (reload): Likewise.
3135 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3137 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3139 * predict.c (estimate_probability): If no prediction was found, then
3140 predict the successor that is the next physical block (if such a
3143 2000-05-04 Richard Henderson <rth@cygnus.com>
3145 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3147 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3149 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3151 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3153 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3154 attribute macros from here ...
3155 (CPP_SPEC): to here.
3156 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3157 (CPP_SPEC): Likewise.
3158 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3160 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3161 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3163 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3165 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3167 * diagnostic (vbuild_message_string, build_message_string,
3168 build_location_prefix, output_get_prefix, init_output_buffer,
3169 output_notice, vline_wrapper_message_with_location,
3170 v_message_with_decl, default_print_error_function): De-constify.
3171 (set_real_maximum_length): Prototype.
3173 * diagnostic.h (struct output_buffer, init_output_buffer,
3174 output_get_prefix, output_set_prefix): De-constify.
3176 * function.c (init_function_start): Constify.
3178 * gensupport.c (remove_constraints, process_rtx): Prototype.
3180 * gthr-posix.h: Indent uses of #pragma.
3182 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3185 * predict.c (find_expected_value): Delete prototype.
3186 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3188 * sbitmap.h (debug_sbitmap): Prototype.
3190 * ssa.c (compute_coalesced_reg_partition): Prototype.
3192 * stor-layout.c (debug_rli): Prototype.
3194 * tree.h (round_down): Prototype.
3195 (init_function_start): Constify.
3197 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3199 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3200 (overly conservative). Change extern inline wrappers to
3201 static inline, define them always, use PARAMS properly.
3202 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3203 whitespace warnings for \f and \v at the beginning of a line.
3205 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3207 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3210 2000-05-04 Bruce Korb <bkorb@gnu.org>
3212 * fixincl/inclhack.def: added broken_cabs -
3213 Remove `extern double cabs' declarations from math.h
3214 * fixincl/inclhack.sh: regen
3215 * fixincl/fixincl.x: regen
3216 * fixincl/fixincl.c: Remove BOGOSITY code
3217 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3219 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3221 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3223 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3224 when calling MEM_COPY_ATTRIBUTES.
3225 * emit-rtl.c (operand_subword, change_address): Likewise.
3226 * explow.c (stabilize): Likewise.
3227 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3228 * integrate.c (copy_rtx_and_substitute): Likewise.
3229 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3230 when calling MEM_COPY_ATTRIBUTES.
3231 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3233 * cse.c (gen_lowpart_if_possible): Likewise.
3234 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3235 * optabs.c (gen_move_insn): Likewise.
3236 * recog.c (validate_replace_rtx_1): Likewise.
3237 * simplify-rtx.c (add_mem_for_addr): Likewise.
3238 * stmt.c (expand_anon_union_decl): Likewise.
3239 * config/arm/arm.md: Likewise.
3240 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3241 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3242 (block_move_no_loop, block_move_sequence): Likewise.
3243 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3244 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3245 Clear MEM_ALIAS_SET.
3246 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3247 MEM_COPY_ATTRIBUTES.
3249 2000-05-03 Robert Lipe <robertlipe@usa.net>
3251 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3252 to suppress libgcc1.
3253 (i[34567]86-*-sco3.2v5*) Likewise.
3254 (i[34567]86-*-sco3.2v4*) Likewise.
3255 (i[34567]86-*-sco) Likewise.
3256 (i[34567]86-*-solaris2) Likewise.
3257 (i[34567]86-*-sysv5*) Likewise.
3258 (i[34567]86-*-sysv4*) Likewise.
3259 (i[34567]86-*-udk*) Likewise.
3260 (i[34567]86-*-sysv*) Likewise.
3262 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3264 * cpphash.h (U): New define, to correct type of string constants.
3265 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3266 routines, to do casts when passing unsigned strings to libc.
3267 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3269 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3270 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3271 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3272 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3273 second argument an U_CHAR *.
3275 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3276 length field, clean up initializer.
3277 (ISTABLE): Add __extension__ to designated-
3278 initializers version.
3279 * cpplex.c (CHARTAB): Likewise.
3281 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3282 case so the file won't be empty.
3284 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3286 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3287 (REORDER_BLOCK_SUCC): Removed.
3288 (enum reorder_skip_type): Removed.
3289 (skip_insns_between_block): Renamed to skip_insns_after_block.
3290 Removed second argument. Removed dead code and cleaned up.
3291 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3292 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3293 second parameter to skip_insns_after_block.
3295 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3297 * tree.c (staticp, case LABEL_DECL): New case.
3299 2000-05-03 Richard Henderson <rth@cygnus.com>
3301 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3303 * mklibgcc1.in: Fix typo last change.
3305 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3307 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3308 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3309 (GCC_CFLAGS): Use it.
3310 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3311 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3312 objc/Make-lang.in: Use it.
3314 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3316 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3318 2000-05-03 Richard Henderson <rth@cygnus.com>
3320 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3321 LIBGCC1 empty with libgcc1.null.
3323 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3325 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3328 2000-05-03 Greg McGary <gkm@gnu.org>
3330 * tree.h (tree_common): Add bounded_flag member. Remove
3331 inaccurate comment about number of remaining bits.
3332 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3333 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3334 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3335 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3336 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3337 (TYPE_QUAL_BOUNDED): New constant.
3338 (TYPE_QUALS): Handle bounded qualifier.
3339 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3340 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3341 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3342 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3343 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3344 (tree_type): Add pointer_depth member. Remove
3345 inaccurate comment about number of remaining bits.
3346 (DECL_POINTER_DEPTH): Add macro.
3347 (tree_decl): Add pointer_depth member.
3349 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3351 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3352 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3353 (lshrhi3_out): Likewise.
3354 (ashrsi3_out): bugfix in shift by 8.
3355 (test_hard_reg_class): New function.
3356 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3357 (ashlhi3): removed define_expand of this pattern.
3358 (*ashlhi3_insn): renamed to ashlhi3.
3359 (ashlsi3): removed define_expand of this pattern.
3360 (*ashlsi3_insn): renamed to ashlsi3.
3361 (ashrqi3): removed define_expand of this pattern.
3362 (*ashrqi3_insn): renamed to ashrqi3.
3363 (ashrhi3): removed define_expand of this pattern.
3364 (*ashrhi3_insn): renamed to ashrhi3.
3365 (ashrsi3): removed define_expand of this pattern.
3366 (*ashrsi3_insn): renamed to ashrsi3.
3367 (lshrhi3): removed define_expand of this pattern.
3368 (*lshrhi3_insn): renamed to lshrhi3.
3369 (lshrsi3): removed define_expand of this pattern.
3370 (*lshrsi3_insn): renamed to lshrsi3.
3372 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3374 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3375 inclusion of "system.h".
3377 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3379 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3382 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3384 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3385 if -mauto-pic is on.
3386 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3387 -mconstant-gp is in effect and function-descriptors are being used
3388 to make indirect calls.
3389 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3390 (MASK_AUTO_PIC): Ditto.
3391 (TARGET_CONST_GP): Ditto.
3392 (TARGET_AUTO_PIC): Ditto.
3393 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3394 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3395 -mno-pic is in effect.
3396 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3397 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3398 -mauto-pic is in effect.
3399 (gprel64_offset): New pattern.
3400 (load_gprel64): Ditto.
3401 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3402 -mconstant-gp is in effect, no need to preserve gp around direct
3404 (call_value): Ditto.
3405 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3406 (FUNCTION_PROFILER): Define.
3407 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3408 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3409 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3411 2000-05-03 Richard Henderson <rth@cygnus.com>
3413 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3414 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3415 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3416 (mklibgcc, libgcc.mk): New targets.
3417 (libgcc.a): Use libgcc.mk.
3418 (stmp-multilib): Likewise.
3419 (stmp-multilib-sub): Remove.
3420 (mostlyclean): Don't delete libgcc2 temp files.
3421 * configure.in (AC_PROG_CC_C_O): Add.
3422 (NO_MINUS_C_MINUS_O): Substitute it.
3423 (all_outputs): Add mklibgcc.
3424 * mklibgcc.in: New file.
3426 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3428 * cppexp.c (op_t): Make an int.
3430 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3432 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3434 * gensupport.c (process_rtx): Fix macros used.
3436 2000-05-03 Richard Henderson <rth@cygnus.com>
3438 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3439 call-clobbered registers of a call.
3441 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3443 * gensupport.c: New file.
3444 * gensupport.h: New file.
3445 * Makefile.in (HOST_RTL): Depend on gensupport.
3446 (gensupport.o) New rule.
3447 * genattr.c: Use gensupport for reading .md files.
3448 * genattrtab.c: Ditto.
3449 * gencodes.c: Ditto.
3450 * genconfig.c: Ditto.
3452 * genextract.c: Ditto.
3453 * genflags.c: Ditto.
3454 * genopinit.c: Ditto.
3455 * genoutput.c: Ditto.
3457 * genrecog.c: Ditto.
3458 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3459 * md.texi (Insn Splitting): Document define_insn_and_split.
3461 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3463 * flow.c (verify_flow_info): Added two more sanity checks. The
3464 first checks that the blocks are numbered consecutively. The second
3465 checks that n_basic_blocks is actually equal to the number of
3466 basic blocks in the insn chain.
3468 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3470 * cpplib.h: Add accessor macros for token lists.
3471 * cpplib.c, cpphash.c, cpplex.c: Use them.
3473 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3475 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3476 memory usage if not in a function.
3477 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3478 return address if static.
3480 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3482 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3483 whether address may trap.
3485 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3487 * bb-reorder (chain_reorder_blocks): Changed code to test for
3488 EDGE_FALLTHRU rather than making erroneous assumption that the
3489 first outgoing edge is the fall-through edge.
3491 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3493 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3494 ABI for varargs, across all MIPS. This is incompatible because the
3495 va_list (__builtin_va_list) structure is different, so a compilation
3496 unit passing a va_list and a compilation unit being passed one, should
3497 both be compiled with the same ABI. (The old structure had two
3498 pointers, now it has three.)
3500 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3502 * bb-reorder.c (struct reorder_block_def): Remove members end,
3503 block_begin, and block_end.
3504 (REORDER_BLOCK_OLD_END): Delete.
3505 (REORDER_BLOCK_BEGIN): Delete.
3506 (REORDER_BLOCK_END): Delete.
3507 (chain_reorder_blocks): Remove dead code.
3509 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3511 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3512 notes as the end of a basic block before deleting.
3514 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3516 * final.c (final_start_function): Fix spelling of "necessary".
3518 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3520 * toplev.c (debug_ignore_block): Return int.
3521 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3522 * toplev.h, dwarf2out.h: Adjust.
3523 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3525 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3526 * toplev.c, final.c, rtl.h: Adjust.
3528 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3530 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3531 * configure.in: Look for makeinfo in the unified tree, then
3532 for a system makeinfo which is sufficiently new.
3533 * Makefile.in: If configure says makeinfo is too old, don't
3534 build or install Info documentation.
3536 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3538 * cpphash.c (collect_params): Fix off-by-one error.
3539 (dump_hash_helper): Dump all four macro nodetypes.
3541 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3543 * cpphash.c (trad_stringify): Adjust p after stringification as
3546 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3548 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3549 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3551 * cppfiles.c (file_cleanup): Delete.
3552 * cpphash.c (macro_cleanup): Delete.
3553 (collect_objlike_expansion, collect_funlike_expansion,
3554 macarg, scan_arguments): Remove CPP_POP case.
3556 * cpplex.c (null_cleanup): Delete.
3557 (cpp_pop_buffer): Do the work that was done in the cleanups
3558 here. Call _cpp_unwind_if_stack from here.
3559 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3560 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3561 stack is the buffer _below_ the one we stacked.
3562 (cpp_get_token): Always pop an exhausted buffer. Return
3563 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3564 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3565 increment the line number.
3566 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3568 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3569 we see CPP_EOF and the top of stack is the buffer _below_ the
3571 * scan-decls.c: Likewise.
3573 2000-05-02 Andrew Haley <aph@cygnus.com>
3575 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3576 where this function is called for the second time on a decl that
3577 has had its section info changed in such a way as to move it out
3579 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3581 2000-05-01 Richard Henderson <rth@cygnus.com>
3583 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3584 the sequence we're moving, not to merge_bb->head.
3586 2000-05-01 Richard Henderson <rth@cygnus.com>
3588 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3589 reference to alpha/t-linux.
3590 (alpha*-*-linux-gnu*): Likewise.
3591 * configure: Rebuild.
3593 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3595 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3598 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3600 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3602 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3605 2000-05-01 Richard Henderson <rth@cygnus.com>
3607 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3608 emit_conditional_move.
3610 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3612 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3613 as the dynamic linker.
3615 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3617 * cppfiles.c (open_include_file): Open file in blocking mode.
3618 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3619 Only exclude block devices and directories.
3621 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3622 static. Allocate the hashnode and its string in the same
3624 (del_HASHNODE): Don't free h->name.
3625 (_cpp_lookup): If there is no entry for this string, create
3626 one, of type T_VOID.
3627 (_cpp_lookup_slot): Delete.
3628 * cpphash.h: Update prototypes.
3630 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3632 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3633 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3634 node here, just fill in the value field properly. "Delete"
3635 entries by setting the value field to T_VOID. Check for
3636 hp->type == T_VOID, not hp == NULL.
3638 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3639 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3642 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3644 * config/mn10300/mn10300.c (print_operand_address): Do not add
3647 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3648 adjusted by less than 256 bytes, use ret regardless of having any
3649 callee-saved register to restore.
3651 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3653 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3655 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3657 * config/i386/djgpp.h (INT_ASM_OP): Define.
3658 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3659 (ASM_WEAKEN_LABEL): Define.
3660 (MASK_BNU210): Define.
3661 (SUBTARGET_SWITCHES): Define.
3662 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3663 (MAKE_DECL_ONE_ONLY): Define.
3664 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3666 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3668 * i386/cygwin.h (INT_ASM_OP): Define.
3670 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3672 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3673 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3675 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3677 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3678 __tmp_reg__ and __zero_reg__ initialization.
3680 2000-04-30 Richard Henderson <rth@cygnus.com>
3682 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3684 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3685 referenced bewteen the condition and the jump. Don't delete
3686 anything but the jump.
3688 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3690 * bb-reorder.c (scope_def): New struct.
3691 (scope_forest_info): New struct.
3692 (struct reorder_block_def): New member "scope".
3693 (REORDER_BLOCK_SCOPE): New macro.
3694 (relate_bbs_with_scopes): New function and prototype.
3695 (make_new_scope): Likewise.
3696 (build_scope_forest): Likewise.
3697 (remove_scope_notes): Likewise.
3698 (insert_intra_1): Likewise.
3699 (insert_intra_bb_scope_notes): Likewise.
3700 (insert_inter_bb_scope_notes): Likewise.
3701 (rebuild_scope_notes): Likewise.
3702 (free_scope_forest_1): Likewise.
3703 (free_scope_forest): Likewise.
3704 (dump_scope_forest): Likewise.
3705 (dump_scope_forest_1): Likewise.
3706 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3707 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3709 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3710 and remove_scope_notes before reordering is done. Added calls to
3711 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3712 after reordering is done.
3714 2000-40-30 Bruce Korb <bkorb@gnu.org>
3716 * fixinc/inclhack.def: Added definitions needed by OSR5,
3717 removed two stale entries (defined away with OLD_CPP).
3718 * fixinc/inclhack.sh: regen
3719 * fixinc/fixincl.x: regen
3721 2000-04-30 Richard Henderson <rth@cygnus.com>
3723 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3724 from the last insn in the sequence.
3726 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3728 * cpplex.c (cpp_idcmp): New function.
3729 * cpplib.h: Prototype it.
3730 * scan_decls.c (scan_decls): Use it to inspect token names.
3731 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3732 the file being run through the preprocessor.
3733 (check_macro_names): Provide length of token to cpp_defined.
3735 * Makefile.in: Remove stale warning message.
3737 * cppfiles.c (redundant_include_p): Provide length of token to
3739 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3740 values are unsigned int.
3741 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3742 (_cpp_lookup_slot): Do not calculate the hash, either.
3743 * cpphash.h: Update prototypes.
3744 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3745 Hashes are unsigned int. Calculate hash here, pass by value
3746 to _cpp_lookup_slot.
3748 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3750 * simplify-rtx.c (check_value_useless): Delete function.
3751 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3753 (cselib_invalidate_regno): Likewise.
3754 (cselib_invalidate_mem_1): Likewise.
3755 (references_value_p): Recognize useless values by the fact that they
3757 (discard_useless_values): Likewise.
3758 (cselib_record_set): This may turn a useless value
3761 2000-04-30 Richard Henderson <rth@cygnus.com>
3763 * config/d30v: New port.
3765 * configure.in (d30v-*): Set fp format.
3766 * configure: Rebuild.
3768 2000-04-30 Richard Henderson <rth@cygnus.com>
3770 * ifcvt.c: New file.
3771 * Makefile.in (OBJS): Add it.
3772 (ifcvt.o): New target.
3773 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3774 and conditional arithmetic.
3775 (find_insert_position): Remove.
3776 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3777 * toplev.c (DFI_ce, DFI_ce2): New.
3778 (dump_file): Add ce and ce2 dumps.
3779 (rest_of_compilation): Run if_convert a couple o times. Set
3780 cse_not_expected after cse2. Don't set no_new_pseudos until
3781 after sched1 or recompute_reg_usage.
3783 2000-04-30 Richard Henderson <rth@cygnus.com>
3785 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3786 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3788 2000-04-30 Richard Henderson <rth@cygnus.com>
3790 * flow.c (struct reg_cond_life_info): New.
3791 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3792 (init_propagate_block_info): Initialize them.
3793 (free_propagate_block_info): Destruct them.
3794 (mark_set_1): Consider conditional life before killing a register.
3795 (mark_regno_cond_dead): New.
3796 (free_reg_cond_life_info): New.
3797 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3798 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3799 (mark_used_reg): Record conditional life.
3801 * haifa-sched.c (schedule_insns): Disable death counting
3802 sanity check for HAVE_conditional_execution.
3804 2000-04-30 Richard Henderson <rth@cygnus.com>
3806 * Makefile.in (TIMEVAR_H): New.
3807 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3808 (timevar.h): Remove rule.
3810 2000-04-29 Richard Henderson <rth@cygnus.com>
3812 * config/alpha/crtend.asm: Use C comments instead of #.
3813 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3815 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3817 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3819 * cpphash.h (enum node_type: Take out T_MCONST.
3820 (union hashval): Move into struct hashnode.
3821 (struct hashnode): Pack tighter. Remove file, line, col
3823 * cpphash.c: Constify most of the macro-definition structures.
3824 (struct definition): Replace by struct object_defn
3825 and struct funct_defn. Put file, line, column information
3826 here. All users updated to match.
3827 (_cpp_create_definition, _cpp_macroexpand): Remove special
3828 case for #define WORD OTHERWORD.
3829 * cpplib.c (do_undef): Remove T_MCONST case.
3831 * cpphash.h: Move struct reflist, struct definition, and the
3832 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3833 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3834 * cpphash.c (_cpp_free_definition): Free data pointed to by
3835 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3836 (_cpp_create_definition, del_HASHNODE): Just call
3837 _cpp_free_definition to clear out a hashnode.
3838 * cpplib.c (do_pragma_poison): Likewise.
3840 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3842 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3843 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3844 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3845 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3846 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3847 REGNO_AM33_P): Redefine in terms of the new macros.
3848 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3849 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3850 STRUCT_VALUE): Likewise.
3851 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3852 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3854 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3856 * regmove.c (struct record_stack_memrefs_data): New.
3857 (record_stack_memrefs): New function.
3858 (combine_stack_adjustments_for_block): Use it.
3860 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3862 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3863 use special_function_p to detect alloca.
3865 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3867 * gcc.texi: Fixes for makeinfo 4.0 --html.
3869 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3871 * pcp.h: Delete file.
3873 2000-04-28 Kazu Hirata <kazu@hxi.com>
3875 * h8300.c (function_epilogue): Clean up flags when the last insn
3876 in a function is a barrier.
3878 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3880 * configure.in (sparc-hal-solaris2*): protect [] glob from
3882 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3883 rather than hard-coded constants in target_cpu_default2.
3884 * configure: Regenerate.
3886 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3888 * tree.c (get_callee_fndecl): Extract the initial value from
3891 2000-04-28 Richard Henderson <rth@cygnus.com>
3893 * varasm.c (record_constant_1): Record the CODE_LABEL when
3894 taking the address of a LABEL_REF.
3896 2000-04-28 Richard Henderson <rth@cygnus.com>
3897 Jan Hubicka <jh@suse.cz>
3899 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3900 adjustment; don't do the stack adjust.
3901 (expand_call): Call compute_argument_block_size right before
3902 allocating the block; update comment; don't do alignment sanity
3903 checking for sibling call; use args_size instead of
3904 unadjusted_args_size before args_size is adjusted. Use
3905 combine_pending_stack_adjustment_and_call to compute stack adjust
3906 for must_preallocate case.
3908 * expr.c (push_block): Remove shadow `temp' in inner scope.
3910 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3912 * toplev.c (rest_of_compilation): Call
3913 note_deferral_of_defined_inline_function even if the function
3916 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3918 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3920 2000-04-28 Richard Henderson <rth@cygnus.com>
3922 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3924 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3926 * timevar.c (init_timevar): DeANSIfy function definition.
3928 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3930 * Makefile.in (timevar.o): Depend on flags.h.
3931 * timevar.c (unused_stack_instances): New variable.
3932 (timevar_push): Take a timevar_stack_def from
3933 unused_stack_instances if available.
3934 (timevar_pop): Push the popped timevar_stack_def onto
3935 unused_stack_instances.
3936 (TIMEVAR_ENABLE): New macro.
3937 (timevar_def): Make standalone a 1-bit field. Add field used.
3938 (get_time): Rename parameter to now. Return after clearing it if
3940 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3941 (timevar_pop): Likewise.
3942 (timevar_stop): Likewise.
3943 (timevar_push): Likewise. Mark the timing variable as used.
3944 (timevar_start): Likewise.
3945 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3946 timevars that were never used.
3948 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3950 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3951 always TREE_READONLY.
3953 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3955 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3956 for call instruction with mode QImode.
3958 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3960 * Makefile.in (OBJS): Add timevar.o.
3961 (toplev.o): Depend on timevar.h.
3962 (ggc-simple.o): Likewise.
3963 (ggc-page.o): Likewise.
3964 (timevar.o): New rule.
3965 (timevar.h): New rule.
3967 * timevar.h: New file.
3968 * timevar.c: Likewise.
3969 * timevar.def: Likewise.
3971 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3972 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3974 (TIMEVAR): Remove macro.
3975 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3976 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3977 flow_time, combine_time, regmove_time, sched_time,
3978 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3979 sched2_time, dbr_sched_time, reorder_blocks_time,
3980 rename_registers_time, shorten_branch_time, stack_reg_time,
3981 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3983 (compile_file): Don't initialize time variables. Call
3984 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3985 of many calls to print_time.
3986 (rest_of_compilation): Add timing for reload_cse_regs.
3987 (get_run_time): Removed to timevar.c.
3988 (print_time): Likewise.
3989 (get_run_time): Implement using TV_TOTAL time variable.
3990 (print_time): Get total run time from get_run_time.
3991 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3992 computing elapsed time explicitly.
3993 * ggc-simple.c (ggc_collect): Likewise.
3994 (gc_time): Remove declaration.
3996 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3998 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3999 (expand_call): Use it.
4001 2000-04-27 Jan Hubicka <jh@suse.cz>
4003 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4006 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4008 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4011 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4013 * function.c (epilogue_done): Pass whole insn to record_insns.
4015 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4017 * cse.c (CSE_ADDRESS_COST): Remove.
4018 (find_best_addr): Add new parameter "MODE", use address_cost instead
4020 (address_cost): New.
4021 (fold_rtx): Update call of find_best_addr.
4022 * rtl.h (address_cost): Declare.
4023 * loop.c (general_induction_var): Add new parameter "MODE", use
4024 address_cost instead of ADDRESS_COST
4025 (init_loop): Use address_cost instead of ADDRESS_COST.
4026 (check_insn_for_givs): Update call of general_induction_var.
4027 (find_mem_givs): Likewise.
4028 (consec_sets_giv): Likewise.
4029 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4030 * i386.c (ix86_address_cost): New.
4031 * i386-protos.h (ix86_address_cost): Declare.
4033 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4035 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4038 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4040 * expr.c (store_expr): Use clear_storage instead of direct memset
4043 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4045 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4046 ASHIFT, AND and LABEL_REF.
4048 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4050 * invoke.texi (-foptimize-sibling-calls): Fix.
4052 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4054 * loop.c (load_mems) Don't use hard registers for the hoisting.
4056 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4057 calculation; rename const_equiv array in the preconditioning code
4058 from loop_unroll to loop_unroll_precondition
4060 2000-04-27 Richard Henderson <rth@cygnus.com>
4062 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4064 (propagate_one_insn): Clear it. Don't update reg_live here.
4065 (init_propagate_block_info): Update for pbi member changes.
4066 (free_propagate_block_info): Likewise.
4067 (mark_set_1): Know that zero_extract, sign_extract, and
4068 strict_low_part don't kill their argument. Alter hard subregs.
4069 Update new_set for non-CLOBBER sets. Update reg_live.
4070 (find_auto_inc): Update reg_live, not new_dead.
4071 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4072 to determine if the reg in question was set this insn. Only update
4073 reg info with PROP_REG_INFO.
4075 2000-04-26 Richard Henderson <rth@cygnus.com>
4077 * flow.c (allocate_reg_life_data): Set max_regno here ...
4078 (life_analysis): ... not here.
4080 * flow.c (calculate_global_regs_live): Force stack pointer
4083 2000-04-26 Richard Henderson <rth@cygnus.com>
4085 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4086 commit change group changes.
4087 (invert_exp_1): Similarly.
4088 (redirect_exp, invert_exp): Use them.
4089 (redirect_jump_1): New.
4090 (invert_jump_1): New.
4091 (jump_optimize_1): Remove code subsumed by condexec.c.
4092 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4094 2000-04-26 Richard Henderson <rth@cygnus.com>
4096 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4098 * genconfig.c (main): Set all HAVE_foo to 1.
4100 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4102 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4104 * invoke.texi: Document -fssa flag.
4106 2000-04-26 Richard Henderson <rth@cygnus.com>
4108 * flow.c (count_reg_sets_1): Remove.
4109 (count_reg_sets, count_reg_references): Remove.
4110 (recompute_reg_usage): Implement with update_life_info.
4111 Reallocate life data.
4113 2000-04-26 Richard Henderson <rth@cygnus.com>
4115 * flow.c (update_life_info): Consider blocks null to mean the
4117 (calculate_global_regs_live): Likewise.
4118 (life_analysis): Do that instead of collecting all_blocks.
4120 2000-04-26 Richard Henderson <rth@cygnus.com>
4122 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4123 a still-valid conditional jump.
4125 2000-04-26 Richard Henderson <rth@cygnus.com>
4127 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4129 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4130 * flow.c (calculate_loop_depth): Remove.
4131 * output.h (calculate_loop_depth): Don't declare.
4132 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4133 inline; run estimate_probability at the same time.
4135 2000-04-26 Neil Booth <NeilB@earthling.net>
4137 * cpplib.h: "~=" is not a single pp-token.
4138 * cpplex.c: Correct commentary.
4140 2000-04-26 Richard Henderson <rth@cygnus.com>
4142 * flow.c (mark_set_1): New arguments code and flags; update all
4143 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4144 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4145 loop_depth when optimizing for size. Do new_dead update after
4146 emitting REG_UNUSED notes. Merge mark_set_reg code.
4147 (mark_set_reg): Remove.
4148 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4149 arrange to not emit REG_UNUSED notes.
4151 2000-04-26 Richard Henderson <rth@cygnus.com>
4153 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4154 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4156 2000-04-26 Richard Henderson <rth@cygnus.com>
4158 * flow.c (propagate_one_insn): Break out from propagate_block.
4159 (init_propagate_block_info): Likewise.
4160 (free_propagate_block_info): Likewise.
4161 (propagate_block): Use them. Export.
4162 * basic-block.h: Declare them all.
4164 2000-04-26 Richard Henderson <rth@cygnus.com>
4166 * basic-block.h (life_analysis): Declare here ...
4167 * output.h: ... not here.
4168 * flow.c (life_analysis): Remove nregs parameter; replace
4169 remove_dead_code with flags. Remove ssa dead code check.
4170 Only init alias analysis if we'll use it.
4171 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4172 * ssa.c (convert_to_ssa): Likewise.
4173 (convert_from_ssa): Likewise.
4174 * toplev.c (rest_of_compilation): Likewise.
4176 2000-04-26 Richard Henderson <rth@cygnus.com>
4178 * flow.c (flow_delete_block): Rename from delete_block. Export.
4179 * basic-block.h (flow_delete_block): Declare.
4181 2000-04-26 David S. Miller <davem@redhat.com>
4183 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4184 taking a PATTERN of it.
4186 2000-04-26 <NeilB@earthling.net>
4188 * cpplex.c (spell_other, spell_char): Remove.
4190 (token_spelling, trigraph_map): Use unsigned chars.
4191 (_cpp_lex_line): Tidy up the switch statement.
4192 * cpplib.h: Implement spell_char with spell_string.
4195 2000-04-26 <RodneyBrown@pmsc.com>
4197 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4198 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4200 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4202 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4203 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4204 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4205 dwarf2out_return_save, dwarf2out_return_reg,
4206 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4207 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4208 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4210 * dwarf2out.h (dwarf2out_init): Likewise.
4212 * dwarfout.c (filename_entry, primary_filename, last_filename,
4213 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4215 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4216 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4217 dwarf2out_return_reg): Likewise.
4219 2000-04-26 Andreas Jaeger <aj@suse.de>
4221 * extend.texi (Function Attributes): Fix description of pure
4224 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4226 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4227 before calling rest_of_compilation.
4229 2000-04-26 Andreas Jaeger <aj@suse.de>
4231 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4234 2000-04-25 Richard Henderson <rth@cygnus.com>
4236 * cse.c (cse_insn): Emit barrier after unconditional jump.
4238 * calls.c (expand_call): Disable tail call generation once
4239 rtx_equal_function_value_matters is false.
4241 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4244 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4246 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4248 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4250 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4251 is the primary DIE for a member function.
4252 (gen_decl_die): Call set_decl_origin_self here.
4253 * dwarfout.c (output_decl): And here.
4254 * integrate.c (output_inline_function): Not here.
4255 Don't clear DECL_INLINE until after calling rest_of_compilation.
4256 (set_decl_origin_self): No longer static.
4257 * tree.h: Add prototype.
4258 * toplev.c (note_deferral_of_defined_inline_function): Only write
4259 out abstract instance for actual inlines.
4261 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4263 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4264 EXTENDED_REGS only if TARGET_AM33.
4265 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4266 SP_REGS to register allocation and reloading unless absolutely
4268 (movsi3): Remove special-case of adding non-constants to SP.
4270 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4272 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4273 INCLUDES to search and does not provide any of its own. Also it
4274 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4275 parameters. Also it does not call AC_DEFINE.
4276 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4277 AC_DEFINE and provides for automatic entries for autoheader.
4278 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4280 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4281 so we can pass -I flags and include gansidecl.h/system.h in this
4284 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4286 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4288 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4289 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4290 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4292 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4293 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4294 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4295 for these macros. Clean up spacing and linewraps.
4297 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4299 * calls.c (expand_call): Use get_callee_fndecl.
4301 * print-tree.c (print_node): Print the chain of an _EXPR.
4303 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4304 Jim Wilson <wilson@cygnus.com>
4305 Andrew Haley <aph@cygnus.com>
4307 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4308 and gp save/restore problems.
4309 * config/ia64/crtend.asm: Add IA-64 unwind support.
4310 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4311 in fr_pad_size calculation.
4312 (save_restore_insns): Move PR save area. Correct uses of
4313 RTX_FRAME_RELATED_P.
4314 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4315 (ia64_expand_epilogue): Add eh_epilogue support.
4316 (ia64_function_prologue): Emit .prologue directive.
4317 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4318 (ia64_override_options): Set init_machine_status and
4319 mark_machine_status.
4320 (rtx_needs_barrier): Handle bsp reads and writes.
4321 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4322 New static variables.
4323 (process_set, process_for_unwind_directive): New functions.
4324 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4325 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4326 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4328 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4329 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4330 (struct machine_function): Define.
4331 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4333 2000-04-25 Bruce Korb <bkorb@gnu.org>
4335 * fixinc/Makefile.in: make the removal of old programs more
4337 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4338 install-bin and install-sh
4340 2000-04-25 Nick Clifton <nickc@cygnus.com>
4342 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4343 defined, define to return zero.
4344 (function_cannot_inline_p): If a function has any target
4345 specific attributes, then use the macro
4346 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4347 whether it can be inlined. If it cannot, issue a suitable
4350 * tm.texi: Add a new node 'Inlining' to document the new macro
4351 FUNCTION_ATTRIBUTE_INLINABLE_P.
4353 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4355 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4358 2000-04-25 Neil Booth <NeilB@earthling.net>
4360 Restore previous patch, plus the following fixes:
4362 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4363 flags, not CPP_OPEN_PAREN.
4364 * cpplex.c (expand_token_space, init_token_list,
4365 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4366 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4368 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4370 * config/i386/freebsd.h (INT_ASM_OP): Define.
4372 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4374 * loop.c (strength_reduce): Fix typo in the last checkin.
4376 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4378 * stor-layout.c (finalize_record_size): Simplify to use existing
4380 (compute_record_mode): No longer static.
4381 * tree.h (compute_record_mode): New declaration.
4383 2000-04-25 Neil Booth <NeilB@earthling.net>
4385 * Revert my patch below until cause of build failures
4388 2000-04-25 Richard Henderson <rth@cygnus.com>
4390 * combine.c (combine_instructions): Add missing argument
4393 * toplev.c (rest_of_compilation): Delay sibcall optimization
4394 until after emit_eh_context.
4396 2000-04-24 Nick Clifton <nickc@redhat.com>
4398 * combine.c (combine_instructions): Do not try to combine a
4399 sequence of insns when the second insn has been replaced by a
4402 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4404 * gcc.c (load_specs): New static function.
4405 (read_specs): Use it.
4407 * gcc.c (lookup_compiler): Make multiple passes for case
4408 insensitive filesystems.
4410 2000-04-24 Neil Booth <NeilB@earthling.net>
4412 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4413 * cpphash.h (_cpp_check_directive): new.
4414 * cpplex.c (handle_newline, cpp_free_token_list,
4415 init_trigraph_map, trigraph_ok, trigraph_replace,
4416 backslash_start, skip_block_comment, skip_line_comment,
4417 skip_whitespace, parse_name, parse_number, parse_string,
4418 copy_comment, _cpp_lex_line, spell_char, spell_string,
4419 spell_comment, spell_name, spell_other, _cpp_lex_file,
4420 _cpp_output_list): new.
4421 (expand_name_space): take length argument.
4422 (init_token_list): add comment list initialisation.
4423 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4424 instead of HSPACE_BEFORE.
4426 * cpplib.c (_cpp_check_directive): new
4427 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4428 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4429 (HSPACE_BEFORE): delete.
4430 (TTYPE_TABLE): rearrange.
4431 (struct cpp_toklist): update.
4433 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4435 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4436 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4437 argument form of AC_DEFINE.
4439 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4440 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4441 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4442 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4443 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4445 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4447 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4449 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4450 deduced.h): Use -isystem, not -I, for including system headers.
4452 2000-04-24 Nick Clifton <nickc@cygnus.com>
4454 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4455 the source register is the frame pointer or arg pointer.
4456 (addsi3_small_int): Disallow if source register is the frame
4457 pointer or arg pointer.
4459 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4461 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4462 call to AC_MSG_RESULT.
4464 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4466 * invoke.texi: Correct grammatical errors, document
4467 -fno-gnu-keywords as identical to -fno-asm for C++.
4469 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4471 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4472 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4473 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4474 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4475 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4477 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4478 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4479 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4480 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4483 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4485 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4486 (pop_alignment): Likewise.
4487 (handle_pragma_token): Likewise.
4489 2000-04-24 Robert Lipe <robertlipe@usa.net>
4491 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4493 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4495 * combine.c (try_combine): Update reg_nonzero_bits of
4496 newi2pat before newpat.
4498 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4500 * loop.c (strength_reduce): Simplify test to INSN_P.
4501 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4502 expressions instead of CONST_INT.
4503 (express_from_1): Likewise.
4505 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4507 * regs.h (reg_n_max): Don't declare.
4508 * flow.c (reg_n_max): Don't define.
4509 * regclass.c (renumber): Don't initialize to zero.
4510 (regno_allocated): Likewise.
4511 (reg_n_max): Define.
4512 (allocate_reg_info): Don't initialize unnecessarily.
4514 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4516 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4517 and blockage_p in the newly allocated attribute.
4519 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4521 * config/mn10300/mn10300.md (addsi): `inc4' on address
4522 registers does not modify cc, but `inc' on an extended
4525 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4527 * reload.c (find_equiv_reg): Checks all valueno regs
4528 as a reload_reg_p regs.
4530 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4532 * cpphash.c (collect_objlike_expansion): Add sanity check.
4533 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4534 the buffer is the empty string, return. Mark __DATE__ and
4535 __TIME__ as XCONST nodes, not MCONST.
4536 (_cpp_macroexpand): Avoid pushing an empty buffer.
4537 (funlike_macroexpand): Don't pop token_buffer here.
4539 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4541 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4542 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4543 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4544 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4545 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4546 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4547 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4549 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4551 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4554 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4556 * cpphash.h (struct definition): Move file, line, col members...
4557 (struct hashnode): ... here. Also add 'disabled' flag.
4558 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4559 T_IDENTITY. Remove T_DISABLED.
4562 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4563 (collect_expansion): Split into collect_objlike_expansion and
4564 collect_funlike_expansion.
4565 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4566 funlike_macroexpand.
4567 (_cpp_compare_defs): Rename compare_defs, make static.
4568 (_cpp_make_hashnode): Initialize hp->disabled.
4569 (macro_cleanup): Adjust for new token types. Clear
4571 (_cpp_create_definition): Move code here to determine what
4572 sort of macro it is, and code to check for redefinitions, from
4573 do_define. Implement a few simple cases without creating a
4575 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4576 Handle the simple cases.
4577 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4580 * cppinit.c (builtin_array): Change MCONST to XCONST
4582 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4583 fix check for disabled and function-like macros.
4584 * cpplib.c (do_define): Move most logic to
4585 _cpp_create_definition.
4586 (do_undef): Handle new special token types.
4588 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4590 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4591 of CONSTANT_P for mult_val; always use validate_change to update insn.
4593 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4595 * cpphash.c (trad_stringify, add_pat): New functions.
4596 (collect_expansion): Restore support for -traditional syntax.
4597 Use trad_stringify and add_pat.
4598 (_cpp_macroexpand): Restore support for -traditional semantics.
4599 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4600 get a COMMENT token.
4601 (_cpp_lex_token): Provide COMMENT tokens to caller if
4602 traditional and parsing_define_directive.
4603 (skip_comment): Warn about // comments if -Wtraditional.
4604 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4606 (do_undef): Don't warn about undefining EMPTY nodes.
4608 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4610 * loop.c (strength_reduce): Fix biv removal code.
4612 2000-04-22 Richard Henderson <rth@cygnus.com>
4614 * predict.c (estimate_probability): Examine both sides of
4615 a branch for no exits. Use 90% not 50% for predict taken.
4616 Reorg for one copy of note generation code.
4618 2000-04-22 Richard Henderson <rth@cygnus.com>
4620 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4622 2000-04-22 Richard Henderson <rth@cygnus.com>
4624 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4625 (output_clear): Likewise.
4626 (output_printf): Use va_copy.
4627 (vline_wrapper_message_with_location): Likewise.
4628 (v_message_with_decl): Likewise.
4629 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4630 * system.h (va_copy): Provide default implementation.
4632 2000-04-22 Richard Henderson <rth@cygnus.com>
4634 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4635 the collected condition is not a constant.
4637 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4639 * diagnostic.h: New file.
4641 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4643 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4644 various function prototypes.
4645 (diagnostic.h): #include.
4646 (struct output_buffer): Move into diagnostic.h.
4647 (get_output_prefix): Rename to output_get_prefix. Export.
4648 (init_output_buffer): Export. Break out. Ajust intialization.
4649 (output_space_left, output_append): Export.
4650 (output_newline): Rename to output_add_newline. Export.
4651 (output_clear): Nullify additional output_buffer fields.
4652 (output_puts): Rename to output_add_string. Export.
4653 (dump_output): Rename to output_flush_on. Export.
4654 (build_location_prefix): Constify return-type.
4655 (emit_output_prefix): Rename to output_emit_prefix. Export.
4656 (set_real_maximum_length): New function.
4657 (output_set_maximum_length): Ditto
4658 (output_clear): Ditto.
4659 (output_add_character): Ditto.
4660 (output_add_integer): Ditto.
4661 (output_add_space): Ditto.
4662 (output_format): Ditto.
4663 (output_printf): Adjust buffer initialization.
4664 (vline_wrapper_message_with_location): Ditto.
4665 (v_message_with_decl): Ditto. Adjust call to output_puts
4666 and get_output_prefix.
4667 (default_print_error_function): Adjust buffer intialization.
4669 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4671 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4674 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4676 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4679 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4681 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4682 accurate data about SP moves.
4684 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4686 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4687 aliases to AM33 registers.
4689 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4691 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4692 to all EXTENDED bitmaps.
4694 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4696 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4697 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4698 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4700 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4702 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4703 the operand is not constant.
4705 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4707 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4708 as a call-clobbered regs.
4710 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4712 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4714 * rtl.def: Update comment.
4715 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4716 * integrate.c (expand_inline_function): Likewise.
4717 * profile.c (branch_prob): Likewise.
4718 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4719 * print-rtl.c (print_rtx): Likewise.
4720 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4721 (reemit_notes): Likewise; also use enum insn_note.
4723 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4724 (place_field): Properly compute know and actual alignment.
4726 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4729 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4732 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4734 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4735 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4736 (collect_expansion): Rewrite to scan over a token list.
4737 Remove -traditional support.
4738 (collect_formal_parameters): Rename to collect_params; rewrite
4739 to scan over a token list.
4740 (_cpp_create_definition): Adjust to scan a token list.
4741 (_cpp_macroexpand): Remove -traditional support.
4742 (_cpp_compare_defs): Whitespace is now canonicalized.
4743 (comp_def_part): Delete function.
4745 * cpphash.h: Update prototypes.
4746 * cpplex.c (init_token_list): Don't set lineno if there is no
4748 (pedantic_whitespace): New function.
4749 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4750 consume a newline. Use pedantic_whitespace.
4751 (_cpp_lex_token): Remove support for -traditional macros.
4752 (_cpp_get_define_token): Delete.
4753 (_cpp_get_directive_token): Do the real work here. Use
4754 pedantic_whitespace.
4755 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4757 * cpplib.c (get_macro_name): Delete.
4758 (do_define): Read the entire line into pfile->directbuf, then
4759 feed the token list to _cpp_create_definition.
4760 * cpplib.h (HSPACE_BEFORE): new define.
4761 (struct cpp_reader): Add a toklist member, "directbuf".
4763 * predict.c (estimate_probability): New heuristic: if a jump
4764 branches around a block with no successors, predict it taken.
4765 Disentangle control flow.
4767 2000-04-20 Richard Henderson <rth@cygnus.com>
4769 * loop.c (emit_iv_add_mult): Revert last change.
4771 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4773 * cpplib.h (enum cpp_ttype): Add token types for all
4774 punctuators. Distinguish pp-numbers from valid C numbers.
4775 Give some tokens better names. Initialize from macro.
4776 (struct cpp_name, cpp_token, cpp_toklist): New data
4779 * cpplex.c (bump_column, expand_name_space,
4780 expand_token_space, init_token_list, cpp_output_list,
4781 _cpp_scan_line): New functions.
4782 (output_line_command): Add third argument, new line number.
4783 * cpphash.h: Update prototypes.
4784 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4787 2000-04-20 Richard Henderson <rth@cygnus.com>
4789 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4791 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4793 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4796 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4798 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4799 REG_EQUAL note explaining the calculated value.
4801 * calls.c (expand_call): Avoid unnecesary precalculation
4802 and outgoing parameters space guarding for sibling calls.
4803 (store_one_arg): Likewise.
4805 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4807 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4808 (rest_of_compilation): Write sibling dump file and account
4809 for time as jump time.
4810 * invoke.texi: Update documentation on dump flags.
4812 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4814 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4816 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4818 * cpphash.c (special_symbol): Represent an empty macro with
4819 "\r \r " not just "\r ".
4820 (_cpp_macroexpand): Correct condition for the foo ( ) special
4822 (unsafe_chars): Handle EOF as second argument.
4823 (push_macro_expansion): Simplify test for removing escape at
4824 end. Do not trim both escapes if there is no text in between.
4826 2000-04-19 Jim Blandy <jimb@redhat.com>
4828 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4829 of PTR_SIZE, when appropriate.
4831 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4833 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4834 (USE_ENUM_BITFIELDS): Fix typo.
4836 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4838 * stor-layout.c (place_field): Set rli->offset_align properly.
4840 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4842 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4843 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4844 PARM_BOUNDARY): Remove unnecessary casts.
4846 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4848 * calls.c (precompute_arguments): Remove must_preallocate and
4850 (expand_call): Update call of precompute_arguments.
4852 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4853 check_insn_for_givs): Break out from ...
4854 (strength_reduce) ... here; use for_every_insn_in_loop to call
4855 check_insn_for_givs.
4856 * loop.h (for_every_insn_in_loop): Declare.
4857 (loop_insn_callback): New type.
4859 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4861 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4864 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4866 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4869 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4871 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4873 * configure.in: Delete --disable-cpplib option and all
4874 references to cpp_main.
4875 * configure: Regenerate.
4876 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4877 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4878 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4879 cpp$(exeext). Add --no-headers to makeinfo command line when
4880 generating INSTALL. Install and uninstall cpp.1 manpage, not
4882 * install.texi: Delete all references to cexp.y/cexp.c.
4883 Delete ancient instructions for compiling GCC on 3b1.
4884 * INSTALL: Regenerate.
4886 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4887 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4888 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4890 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4891 which is no longer tested anywhere.
4893 * cppinit.c (handle_option): Don't run error message through
4896 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4898 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4899 * cpperror.c (hashtab.h): Now include.
4900 * cppexp.c (hashtab.h): Likewise.
4901 * cpplex.c (hashtab.h): Likewise.
4902 * cppfiles.c (hashtab.h): Likewise.
4903 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4904 to htab_find_slot_with_hash.
4905 * cpphash.c (hashtab.h): Now include.
4906 (_cpp_lookup_slot): INSERT is now enum insert_option.
4907 * cpphash.h (_cpp_lookup_slot): Likewise.
4908 * cppinit.c (hashtab.h): Include earlier.
4909 (initialize_builtins): Pass enum to htab_find_slot.
4910 * cpplib.c (hashtab.h): Now include.
4911 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4912 (do_pragma_poison, do_assert): Likewise.
4913 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4914 htab_find_slot_with_hash.
4915 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4916 * tree.c (type_hash_add): Likewise.
4917 (build1): Minor cleanup.
4919 * ggc-common.c: Add missing blanks.
4920 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4921 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4923 * stmt.c (mark_case_node): New function.
4924 (mark_case_nesting): Call it.
4926 * expmed.c (emit_store_flag): If comparing two-word integer
4927 with zero, can optimize NE, EQ, GE, and LT.
4929 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4930 * conflict.c: Minor cleanups.
4931 * optabs.c: Add blank line
4932 * simplify-rtx.c: Minor cleanups.
4934 2000-04-18 Stan Cox <scox@cygnus.com>
4936 * gengenrtl.c (genlegend): Fix misspelling.
4938 2000-04-18 Robert Lipe <robertlipe@usa.net>
4940 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4941 bitfields of the host compiler are not signed quantities.
4942 * config.in: Regenerate.
4943 * configure: Regenerate.
4944 * system.h (USE_ENUM_BITFIELDS): Added.
4945 (ENUM_BITFIELDS): Added.
4946 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4947 (SHORT_ENUM_BUG): Deleted.
4948 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4950 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4951 (CODE_FIELD_BUG): Likewise.
4952 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4954 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4956 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4958 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4961 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4963 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4964 * cpplib.c (do_include, do_import, do_include_next,
4965 read_line_number, detect_if_not_defined): Likewise.
4966 * cpphash.c (collect_expansion): Likewise.
4967 (special_symbol, _cpp_macroexpand): Check return from
4969 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4970 macros. Delete all uses.
4972 * gcc.dg/cpp-mi.c: Add two more test cases.
4973 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4975 2000-04-17 Richard Henderson <rth@cygnus.com>
4977 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4978 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4980 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4982 * function.c (expand_function_start): Use hard_function_value to
4983 compute the RTL to use for DECL_RESULT.
4985 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4987 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4988 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4989 x86_memory_mismatch_stall): New global variables.
4990 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4991 alloved; fix load penalties for Athlon.
4992 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4993 x86_memory_mismatch_stall): Declare.
4994 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4995 TARGET_MEMORY_MISMATCH_STALL): New.
4996 * i386.md (athlon scheduling parameters): Fix latencies according to
4997 Athlon Optimization Manual.
4998 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
5000 (fsqrt instruction patterns): Set athlon_decode to direct.
5001 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
5002 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
5003 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
5004 and TARGET_PARTIAL_REGISTER_STALL machines.
5005 (pushdf_nointeger): New pattern.
5006 (pushdf_integer): Rename from pushdf.
5007 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5008 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5010 2000-04-17 Richard Henderson <rth@cygnus.com>
5012 * loop.c (canonicalize_condition): Add WANT_REG argument.
5013 Stop the search if we match it.
5014 * expr.h (canonicalize_condition): Update decl.
5015 * predict.c (expected_value_to_br_prob): Use it. Track last
5016 expected value note.
5017 (find_expected_value): Remove.
5019 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5021 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5023 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5024 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5026 * configure.in: Call AC_FUNC_MMAP_FILE.
5027 * configure: Regenerate.
5028 * config.in: Regenerate.
5030 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5031 * fixinc/fixincl.c: Likewise.
5033 2000-04-17 Richard Henderson <rth@cygnus.com>
5035 * builtins.c (expand_builtin_expect): New.
5036 (expand_builtin): Call it.
5037 * builtins.def (BUILT_IN_EXPECT): New.
5038 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5039 * extend.texi: Document it.
5041 * predict.c (expected_value_to_br_prob): New.
5042 (find_expected_value): New.
5043 * basic-block.h (expected_value_to_br_prob): Declare.
5044 * toplev.c (rest_of_compilation): Invoke it.
5046 * rtl.h (NOTE_EXPECTED_VALUE): New.
5047 (NOTE_INSN_EXPECTED_VALUE): New.
5048 * rtl.c (note_insn_name): Update.
5049 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5050 cases; handle NOTE_INSN_EXPECTED_VALUE.
5052 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5054 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5055 leaf sibcall delay slot if flag_pic.
5056 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5058 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5060 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5062 * fixproto: If fix-header fails, exit with an error.
5064 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5066 * cse.c (struct check_depdendence_data): New.
5067 (check_dependence): New function.
5068 (invalidate): Use check_depdenence.
5070 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5072 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5073 UNITS_PER_WORD is unsigned.
5075 * tree.h (struct tree_common): Remove misleading comment.
5077 2000-04-16 Dave Pitts <dpitts@cozx.com>
5079 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5080 message in quotes. Otherwise, IBM's make program treats the '#' as the
5081 start of a comment and ignores the remainder of the line.
5083 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5085 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5086 * cexp.y (initialize_random_junk): Likewise.
5087 * cppfiles.c (find_include_file): Cast alloca return value.
5088 * cppinit.c (initialize_standard_includes): Likewise.
5089 * cpplib.c (cpp_define, cpp_undef): Likewise.
5090 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5091 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5092 * fold-const.c (CHARMASK): New.
5093 (real_hex_to_f): Use it.
5094 * real.c (CHARMASK): New.
5095 (etoasc, asctoeg): Use it.
5096 (asctoeg): EBCDIC lower case characters preceed upper case.
5098 * i370.c (mvs_add_label): Change spacing for coding conventions.
5099 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5100 outputing case vectors.
5101 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5102 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5103 since vector in in the data CSECT.
5104 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5105 * i370.md (Many patterns): Put the length in the XL directives.
5106 (movdi): Put back STM and MVC in definition.
5107 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5108 pattern using the TCA.
5109 * oe.h (CPP_SPEC): Added to allow trigraphs.
5110 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5111 not support the "long long" type.
5113 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5115 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5117 (mips_reg_mode_ok_for_base_p): Likewise.
5118 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5119 (REG_OK_FOR_INDEX_P): Define unconditionally.
5120 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5121 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5122 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5123 that GET_MODE_SIZE is unsigned.
5124 (mips_reg_mode_ok_for_base_p): Define.
5125 (mips_legitimate_address_p): Likewise. Adjust now
5126 that GET_MODE_SIZE is unsigned.
5127 (block_move_loop): Make the number of bytes unsigned.
5128 (expand_block_move): Likewise.
5129 (function_arg): Make the loop counter unsigned to match the
5132 2000-04-16 Richard Henderson <rth@cygnus.com>
5134 * rtl.h (enum insn_note): New enumeration. Subsume
5135 NOTE_INSN_DELETED and friends.
5136 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5137 * rtl.c (note_insn_name): Tweak string order.
5139 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5141 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5144 * cpplex.c (output_line_command): Remove debugging prints.
5145 (cpp_output_tokens): Don't write out a zero-length buffer or
5146 try to see if it has a newline in it.
5147 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5148 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5149 the end of the loop. Use memmove. Don't read past the end of
5150 the buffer. Remove trailing newlines from error messages.
5152 2004-04-16 Neil Booth <NeilB@earthling.net>
5154 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5155 * cpplib.c: Add new syntax flags to directive table, and
5158 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5160 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5163 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5165 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5166 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5168 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5170 * Makefile.in (ggc-page.o): Now includes toplev.h.
5171 * ggc-page.c (toplev.h): Now included.
5172 (gc_time): Remove declaration.
5173 (ggc_collect): TIME now long.
5174 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5176 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5178 * toplev.c: Make *_time variable long to reduce chance of overflow.
5179 (TIMEVAR): Likewise for `otime'.
5180 (print_time): Arg is now long; compute percentage in FP and round.
5181 * toplev.h (print_time): Arg is long.
5183 * tree.c: Minor whitespace changes.
5185 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5186 * configure: Rebuilt.
5187 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5188 (__fixunsxfDI): Renamed from __fixunsxfdi.
5189 (__fixunsdfDI): Renamed from __fixunsdfdi.
5190 (__fixunssfDI): Renamed from __fixunssfdi.
5191 (__floatdisf): Use proper type in REP_BIT macro.
5192 (__fixunsxfSI): Renamed from __fixunsxfsi.
5193 (__fixunsdfSI): Renamed from __fixunsdfsi.
5194 (__fixunssfSI): Renamed from __fixunssfsi.
5195 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5196 Change location of macros and upper-case some names as above.
5197 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5198 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5200 * varasm.c (assemble_variable): Add cast to remove warning.
5201 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5203 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5204 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5205 region number to -1.
5207 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5209 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5210 call unshare_all_rtl.
5212 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5214 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5216 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5217 Use .s1 not .s0 for all FP instructions.
5219 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5221 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5223 (safe_fwrite, output_line_command): New static functions.
5224 (cpp_expand_to_buffer): Now private to cpplib.
5225 (cpp_scan_buffer): Take a printer.
5227 * cpphash.h: Update prototypes.
5228 * cpplib.h: Update prototypes.
5230 (cpp_buffer): Remove last_nominal_fname.
5231 (cpp_reader): Remove lineno.
5233 * cppmain.c: Use a cpp_printer.
5234 * fix-header.c: No need to inhibit line commands. Call
5235 cpp_start_read with no printer.
5237 * cpperror.c (cpp_notice_from_errno): Provide default name.
5238 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5239 (find_include_file, cpp_read_file): Use make_IHASH.
5240 (file_cleanup): Set control_macro and clear
5241 input_stack_listing_current here.
5242 (_cpp_execute_include): Don't output entering-file marker.
5243 * cpphash.c (special_symbol): Look for the line number in the
5244 buffer, not the reader.
5245 (_cpp_macroexpand): No need to disable line commands.
5246 (_cpp_dump_definition): No need to generate line commands.
5247 (dump_hash_helper): Remove excess newline from output.
5248 * cppinit.c (dump_special_to_buffer): No need to generate line
5250 (cpp_printer_init): New.
5251 (cpp_start_read): Take a printer, and start it up if it's not
5252 NULL. No need to generate line commands.
5253 (cpp_finish): Expect no buffers stacked at all. Take a
5254 printer argument, and flush the output buffer if it's not
5256 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5257 Don't put two hashes at the beginning of an assertion.
5258 (cpp_get_token): Don't increment pfile->lineno or emit line
5259 commands here. Return EOF if there's no buffer when we get
5261 * cpplib.c (do_define, skip_if_group):
5262 No need to disable line commands.
5263 (_cpp_output_line_command): Delete function.
5264 (do_line): Don't emit line commands here, but set things up so
5265 they will be emitted if necessary. Use _cpp_fake_ihash to
5266 make unique nominal_fnames if necessary.
5267 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5268 with 0 for column, not -1.
5269 (_cpp_handle_eof): Don't set the control macro here. Don't
5270 clear input_stack_listing_current here. Don't emit line
5273 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5275 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5276 always, use the default SVR4 start address.
5278 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5279 (LINK_SHLIB_SPEC): Define.
5280 (LINK_START_DEFAULT_SPEC): Define.
5281 (LINK_OS_DEFAULT_SPEC): Define.
5283 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5285 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5286 __do_global_ctors to handle constructors.
5287 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5288 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5289 (STARTFILE_MVME_SPEC): Likewise.
5290 (STARTFILE_SIM_SPEC): Likewise.
5291 (ENDFILE_ADS_SPEC): Use crtend.
5292 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5293 (ENDFILE_MVME_SPEC): Likewise.
5294 (ENDFILE_SIM_SPEC): Likewise.
5295 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5296 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5297 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5298 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5299 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5300 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5301 (CRTSTUFF_T_CFLAGS_S): Define.
5302 * config/rs6000/eabi-ctors.c: Delete.
5304 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5307 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5311 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5313 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5314 plus mask size is smaller or equal to the mode size.
5316 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5318 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5321 * expr.c (reload.h): Now included.
5322 (emit_block_move): Set volatile_ok when checking for movstr.
5323 (emit_move_1): Check for replacements in addresses in multi-word case.
5324 * Makefile.in (expr.o): Now includes reload.h.
5326 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5327 Never have a LIBCALL end a basic block.
5328 (find_basic_blocks_1): Likewise.
5329 Reorganize CALL_INSN cases.
5331 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5333 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5335 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5336 completers from mov.ret instruction.
5338 2000-04-14 Richard Henderson <rth@cygnus.com>
5340 * fold-const.c (extract_muldiv): Don't distribute and widen
5341 multiply across plus for non-sizetype unsigned types.
5343 2000-04-14 Richard Henderson <rth@cygnus.com>
5345 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5346 If the original source is dead in the incr insn, it's dead now.
5348 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5350 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5351 see if DECL_BIT_FIELD needs to still be set.
5353 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5355 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5356 print_int_cst_octal with something that's not an INTEGER_CST.
5358 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5359 and not a SUBREG to a FLOAT rtl.
5361 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5363 * emit-rtl.c (try_split): Avoid infinite loop if the split
5364 results in a sequence that contains the original insn.
5366 2000-04-13 Andreas Jaeger <aj@suse.de>
5368 * config/mips/mips.c (expand_block_move): Pass alignment
5369 argument to move_by_pieces in bits, not bytes.
5371 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5372 __pic__ for little endian.
5374 2000-04-13 Andreas Jaeger <aj@suse.de>
5376 * config/i386/i386-protos.h: Add prototype for
5377 uno_comparison_operator.
5379 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5381 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5382 * calls.c (ECF_PURE): New flag.
5383 (emit_call_1): Handle ECF_PURE calls.
5384 (initialize_argument_information): Unset ECF_PURE flag too.
5385 (precompute_arguments): Precompute for ECF_PURE too.
5386 (expand_call): Handle ECF_PURE calls too.
5387 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5388 accept value of 2 as pure function.
5389 (emit_library_call_value, emit_library_call): Rename no_queue argument
5391 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5393 * tree.h (DECL_IS_PURE): New macro.
5394 (struct tree_decl): Add pure_flag.
5395 * c-common.c (enum attrs): Add attribute "pure".
5396 (init_attributes): Initialize attribute "pure"
5397 (decl_attributes): Handle attribute "pure".
5398 * extend.texi (Attribute "pure"): Document.
5399 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5401 (flags_from_decl_or_type): Support attribute "pure".
5403 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5405 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5406 the token except for numbers and identifiers.
5408 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5410 * i386.c (ix86_expand_binary_operator,
5411 ix86_expand_unary_operator): Check no_new_pseudos
5412 instead of reload_in_progress and reload_completed.
5413 (ix86_split_ashldi, ix86_split_ashrdi,
5414 ix86_split_lshrdi): Check no_new_pseudos instead
5415 of reload_completed.
5417 2000-04-12 Jeffrey A Law (law@cygnus.com)
5419 * function.c (purge_addressof): Unshare any shared rtl created by
5420 purge_addressof and its children.
5422 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5424 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5427 2000-04-05 Andreas Jaeger <aj@suse.de>
5429 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5430 not compiling PIC code, add flags for mabi=64.
5431 (SUBTARGET_CPP_SIZE_SPEC): New.
5432 (SUBTARGET_CPP_SPEC): New.
5433 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5434 for MIPS/Linux and lots of code needs these defines.
5436 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5438 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5439 trying the "opposite arithmetic" approach.
5441 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5443 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5444 (struct sh_args): Add new field force_mem.
5445 (INIT_CUMULATIVE_ARGS): Initialize it.
5446 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5448 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5450 * calls.c (expand_call): Do not reverse args in "equal from" field.
5451 (emit_library_call_value_1): Emit_libcall_block for const and pure
5454 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5456 * reload1.c (reload_combine): Don't enable optimization for fixed
5457 registers when encountering a BARRIER.
5459 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5461 * builtins.c (expand_builtin_memcmp): Do expansion even with
5462 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5464 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5465 stack is propertly aligned; add sanity checking for aligned
5467 (expand_library_call_value_1): Add sanity checking for aligned
5470 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5472 * calls.c (emit_library_call_value_1): Change 3rd arg to
5473 locate_and_pad_parm to disregard the setting of partial.
5475 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5477 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5479 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5480 CALL_INSN from the normal case.
5482 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5484 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5485 New global variables.
5486 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5488 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5490 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5491 TARGET_ADD_ESP_8): New macros.
5492 * i386.md: Add peep2s to convert esp adjustments to push and pop
5494 (pushsi_prologue, popsi_epilogue): New patterns.
5496 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5498 * real.c (toe64): Remove stale #endif from the last change.
5500 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5502 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5503 * real.c (toe64): Revert previous change.
5505 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5507 * objc/objc-act.c: Include ggc.h.
5508 (objc_tree_index, objc_global_trees): Convert most of the
5509 static tree variables into a static array with previous names
5511 (objc_ellipsis_node): New variable.
5512 (lang_init): Call objc_act_parse_init and c_parse_init.
5513 Create objc_ellipsis_node.
5514 (build_selector_translation_table): Use objc_ellipsis_node instead
5516 (hack_method_prototype): Likewise.
5517 (get_arg_type_list): Likewise.
5518 (start_method_def): Likewise.
5519 (continue_method_def): Likewise.
5520 (gen_method_decl): Likewise.
5521 (ggc_mark_imp_list): New function.
5522 (ggc_mark_hash_table): New function.
5523 (objc_act_parse_init): New function.
5524 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5525 * c-parse.in (c_parse_init): For objc add roots of objc specific
5526 local tree variables.
5527 * objc/objc-parse.y: Rebuilt.
5528 * objc/objc-parse.c: Rebuilt.
5529 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5531 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5533 * cse.c (delete_trivially_dead_insns): Also delete insns
5534 that copy a register to itself where the destination is
5537 2000-04-11 Richard Henderson <rth@cygnus.com>
5539 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5540 (propagate_block): Initialize them. Use them in parallel instead
5541 of one tmp variable, ie revert much of the 0408 and 0407 functional
5542 changes, but keep the structural changes.
5543 (mark_set_regs): Take new_dead from propagate_block_info instead.
5544 (mark_set_1, mark_set_reg): Likewise.
5545 (mark_used_regs): Likewise with new_live.
5546 (mark_used_reg): Likewise. Revert 0408 change.
5548 2000-04-11 Nick Clifton <nickc@cygnus.com>
5550 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5552 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5554 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5556 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5557 const section to output a CONSTRUCTOR based on the same conditions
5560 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5562 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5563 * pa/pa-protos.h (output_call): Add additional argument indicating
5564 if the call is a sibling/tail call.
5565 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5566 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5567 (function_arg, function_arg_partial_nregs): Likewise
5568 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5569 (emit_move_sequence): Zero extend certain constants as needed
5571 (compute_zdepdi_operands, output_64bit_and): New functions.
5572 (output_64bit_ior, function_arg): Likewise.
5573 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5574 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5575 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5576 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5577 (output_bvb): Likewise.
5578 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5579 (output_call): New argument 'sibcall'. Generate sibcall sequences
5581 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5582 (ouput_arg_descriptor): Do not emit argument descriptors for
5584 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5586 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5587 (FUNCTION_OK_FOR_SIBALL): Define.
5588 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5589 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5590 (CPP_SPEC): Use new spec infrastructure.
5591 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5592 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5593 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5594 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5595 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5596 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5597 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5598 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5599 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5600 (FUNCTION_ARG); Call out to C code.
5601 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5602 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5603 (MIN_UNITS_PER_WORD): Likewise.
5604 * pa/pa.md (cmpdi): New expander.
5605 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5606 (64bit conditional arithmetic): New patterns.
5607 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5608 (movsicc): Not available if modes on all the operands to not match.
5609 (movdicc): New expander and associated patterns.
5610 (64bit branches): New patterns.
5611 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5612 (pre_ldd, post_std): New patterns.
5613 (64bit addil, load low part): New patterns.
5614 (special movsf constant): Not available for TARGET_64BIT.
5615 (movsf, movdf expanders): Force constants into memory.
5616 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5617 (64bit movdf/movdi patterns): New patterns.
5618 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5620 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5621 (adddi3 expander): Allow "arith_operand" for second input.
5622 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5623 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5624 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5625 (muldi3): New expander for TARGET_64BIT.
5626 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5628 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5629 patterns for TARGET_64BIT.
5630 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5631 patterns for TARGET_64BIT.
5632 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5633 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5634 (sibcall_epilogue): New expander.
5635 (casesi): Tweak for TARGET_64BIT.
5636 (call expanders): Set & use the outgoing argument pointer. Use the
5637 64bit call patterns as needed. Add additional arg to output_call.
5638 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5639 (sibcall, sibcall_internal_symref): New expanders.
5640 (sibcall_value, sibcall_value_internal_symref
5641 (interspace_jump): Turn into an expander + matching patterns.
5642 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5643 * pa/pa64-regs.h: Eliminate trigraph sequences.
5644 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5646 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5648 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5649 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5650 cpp_token with cpp_ttype everywhere.
5651 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5652 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5653 CPP_BUF_COL. Line and column numbers are unsigned int, not
5655 * cpplex.c (cpp_buf_line_and_col): Delete.
5656 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5657 'long lineno' to 'unsigned int lineno'.
5658 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5660 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5662 * extend.texi: ISO C99 is not a draft anymore.
5663 * invoke.texi: ISO C++ is not a draft anymore.
5664 * cpp.texi: __cplusplus is required by the ISO standard.
5666 * extend.texi (-fthis-is-variable): Undocument.
5667 * flags.h (warn_template_debugging): Remove declaration.
5668 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5669 -Wenum-clash, -Wtemplate-debugging): Undocument.
5671 2000-04-10 Nick Clifton <nickc@cygnus.com>
5673 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5675 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5677 (ARM_SIGN_EXTEND): Use HOST_UINT.
5678 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5679 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5680 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5681 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5683 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5684 (arm_gen_constant): Use HOST_UINT.
5685 (arm_canonicalize_constant): Use HOST_UINT.
5686 (arm_reload_in_hi): Use HOST_UINT.
5687 (arm_reload_out_hi): Use HOST_UINT.
5688 (output_multi_immediate): Use HOST_UINT.
5689 (int_log2): Use HOST_UINT.
5690 (arm_poke_function_name): Use HOST_UINT.
5691 (arm_output_epilogue): Use arm_volatile_func().
5692 (output_thumb_prologue): Use arm_strip_name_encoding().
5694 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5696 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5697 of sequence point problems.
5699 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5701 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5703 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5705 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5707 * sbitmap.h: Whitespace changes and use upper-case macro args.
5708 (struct simple_bitmap_def): All sizes now unsigned.
5709 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5710 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5711 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5712 (sbitmap_zero): Cast bzero arg to PTR.
5713 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5714 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5715 loop to make structure clearer.
5716 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5717 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5718 (sbitmap_a_and_b_or_c): Likewise.
5719 (sbitmap_intersection_of_succs): Minor cleanups.
5720 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5721 (sbitmap_union_of_preds): Likewise.
5722 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5723 (debug_sbitmap): New function.
5725 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5726 * c-typeck.c (convert_for_assignment): Likewise.
5728 * expmed.c (init_expmed): Don't free objects we make.
5729 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5731 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5732 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5734 * gcse.c (expr_hash_table_size): Now unsigned.
5735 (compute_ae_gen): Local variable `i' now unsigned.
5736 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5737 (compute_transout, hoist_code): Likewise.
5738 (compute_local_properties): Likewise, also hash_table_size.
5739 (alloc_expr_hash_table): N_INSNS now unsigned.
5740 (delete_null_pointer_checks): Mark arg F as unused.
5742 * regrename.c: Minor cleanups, including chang some variables
5745 2000-04-10 Neil Booth <NeilB@earthling.net>
5747 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5749 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5751 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5753 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5754 __classof__, and __headof__ from the list of gnu keywords.
5755 (-ansi): Remove -foperator-names from list of implied options.
5756 Do not call it ANSI C++.
5757 (-foperator-names): Document as -fno-operator-names.
5759 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5761 * cpphash.c (timestamp): Delete.
5762 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5763 (special_symbol): Remove unnecessary braces. Remove
5764 T_VERSION. Treat T_STDC like T_CONST unless
5765 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5766 when one is encountered, then convert them into T_MCONST
5768 * cppinit.c (builtin_array): version_string is T_MCONST.
5769 __STDC__ has a "1" in its cpval. Don't have a terminator
5770 entry. Clean up which entries are dumped.
5771 (initialize_builtins): Only __STDC__ gets the special
5772 -traditional treatment. Count the length of builtin_array.
5773 Render version_string here.
5774 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5775 * cpplib.h (struct cpp_reader): Remove timebuf.
5777 2000-04-09 Richard Henderson <rth@cygnus.com>
5779 * genrecog.c (pred): Update comparison_operator for the unordered
5782 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5784 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5785 (uno_comparison_operator): New.
5786 (put_condition_code): Handle UNORDERED/ORDERED.
5787 (unsigned_comparison): Likewise.
5788 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5789 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5790 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5791 update all callers. Handle all 8 unordered operators.
5792 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5793 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5794 * config/i386/i386.h (PREDICATE_CODES): Update.
5795 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5796 (ix86_expand_branch, ix86_expand_setcc): Update.
5797 * config/i386/i386.md (sunordered, sordered): New.
5798 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5799 (bunordered, bordered): New.
5800 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5801 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5802 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5804 2000-04-09 Philip Blundell <philb@gnu.org>
5806 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5808 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5810 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5811 fix_truncxfhi2): New patterns.
5812 * i386.c (output_fix_trunc): Handle converting to HImode.
5814 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5816 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5818 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5819 (for_each_successor_phi): Change parameter to basic_block.
5820 (coalesce_regs_in_successor_phi_nodes): Likewise.
5821 (coalesce_regs_in_copies): Likewise.
5822 (compute_coalesced_reg_partition): Use basic_block instead of index.
5823 * rtl.h (convert_to_ssa): Delete.
5824 (convert_from_ssa): Likewise.
5825 (successor_phi_fn): Likewise.
5826 (for_each_successor_phi): Likewise.
5827 (in_ssa_form): Likewise.
5828 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5829 (convert_from_ssa): Likewise.
5830 (successor_phi_fn): Likewise.
5831 (in_ssa_form): Likewise.
5832 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5833 * flow.c (calculate_global_regs_live): Pass a basic_block to
5834 for_each_successor_phi.
5836 2000-04-08 Richard Henderson <rth@cygnus.com>
5838 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5839 was modified in the current insn.
5841 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5843 * arm/thumb.md: Delete.
5844 * arm/thumb-protos.h: Delete.
5846 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5848 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5850 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5852 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5855 * arm.md (nop): Use the standard RTL expression. Don't code as a
5857 (*arm_nop, *thumb_nop): Delete.
5859 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5860 constants. Use casts instead.
5861 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5862 output_multi_immediate, arm_poke_function_name): Likewise.
5863 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5864 MASK_RETURN_ADDDR): Likewise.
5866 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5868 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5871 * arm.md (eh_epilogue): New function.
5872 * arm.h (struct machine_function): Move to here ...
5873 * arm.c: ... from here.
5874 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5875 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5876 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5878 2000-03-30 Nick Clifton <nickc@cygnus.com>
5880 * config/arm/semi.h (ASM_SPEC): Restore definition.
5881 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5883 * config/arm/elf.h (ASM_SPEC): Restore definition.
5884 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5886 * config/arm/arm.h (ASM_SPEC): Remove definition.
5887 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5889 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5891 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5893 2000-03-24 Nick Clifton <nickc@cygnus.com>
5895 Various formating tidyups, elimination of compile time
5896 warnings and synchronisation with internal sources:
5898 * config/arm/arm-protos.h (assemble_align): Add prototype.
5899 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5900 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5901 (arm_return_addr_rtx): Rename to arm_return_addr.
5903 * config/arm/arm.c: Include except.h.
5904 Define shorter typenames for strict minipool_node and struct
5906 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5908 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5909 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5911 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5913 (ASM_SPEC): Define if not already defined.
5914 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5916 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5917 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5918 arm_gen_compare_reg.
5919 (indirect_jump): Only accept register operands.
5920 (load_indirect_jump): Keep this pattern since combine can generate
5923 * config/arm/coff.h: Include aout.h.
5924 (MULTILIB_DEFAULTS): Only define if not already defined.
5926 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5927 into arm.h (so that COFF ports can support thumb based aliases).
5928 (ASM_SPEC): Move definition into arm.h
5930 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5931 redundant apcs spec.
5932 (ASM_SPEC): Move definition to arm.h
5934 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5936 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5937 for entries in the .bss section
5939 2000-03-23 Nick Clifton <nickc@cygnus.com>
5941 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5942 to thumb_far_jump_used_p.
5944 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5945 single integer parameter.
5947 * config/arm/arm.c (struct machine_function): Add two new
5948 fields, 'far_jump_used' and 'arg_pointer_live'.
5949 (thumb_far_jump_used_p): Once the decision has been made that
5950 far jumps might be used, always return true.
5951 If being called from the initial elimination offset macro then
5952 do not bother to perform the test if the arg pointer is not
5954 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5955 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5957 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5959 * arm.c (output_return_instruction): Handle more cases where we can
5960 return from a function with an ldr instruction.
5961 (arm_output_epilogue): Likewise.
5963 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5964 if we need to push a large stack frame and there are no callee-saved
5967 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5968 in ARM code if the frame pointer has been eliminated.
5970 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5971 unspec_volatile arguments to avoid duplicates.
5972 (consttable_1, consttable_2): Fixes for big-endian mode.
5974 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5977 Re-write constant pool code.
5978 * arm.c (minipool_node, minipool_fix): New types.
5979 (minifix): Delete type.
5980 (arm_add_minipool_constant): Delete.
5981 (arm_compute_minipool_offsets, arm_find_barrier,
5982 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5983 (get_jump_table_size): Now returns HOST_WIDE_INT.
5984 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5986 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5987 (assign_minipool_offsets, arm_print_value): Likewise.
5988 (dump_minipool): Rewrite.
5989 (arm_barrier_cost): New function.
5990 (create_fix_barrier): New function.
5991 (push_minipool_barrier): New function.
5992 (push_minipool_fix): Record additional information about the fixup
5994 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5995 check the mode of what needs fixing.
5996 (arm_reorg): Rewrite.
5998 2000-03-08 Nick Clifton <nickc@cygnus.com>
6000 * config/arm/arm.md (indirect_jump): Force constant addresses into
6003 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
6005 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6007 2000-02-24 Nick Clifton <nickc@cygnus.com>
6009 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6010 adjust is word aligned.
6011 (thumb_expand_epilogue): Make sure that stack adjust is word
6014 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6016 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6018 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6019 pointer relative addresses.
6021 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6023 * arm.c (find_barrier): Find the last barrier within the allowed
6026 2000-02-09 Nick Clifton <nickc@cygnus.com>
6028 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6030 2000-02-09 Nick Clifton <nickc@cygnus.com>
6032 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6033 ARM_FUNCTION_PROFILER.
6035 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6036 ARM_FUNCTION_PROFILER.
6038 * config/arm/linux-oldld.h: Imported from mainline sources.
6040 2000-02-07 Nick Clifton <nickc@cygnus.com>
6042 * config/arm/lib1funcs.asm: Merge in thumb functions from
6045 * config/arm/lib1thumb.asm: Delete.
6047 2000-02-04 Nick Clifton <nickc@cygnus.com>
6049 * config/arm/arm.c: Sychronised with current Red hat local
6051 * config/arm/arm.h: Ditto.
6052 * config/arm/arm-protos.h: Ditto.
6054 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6056 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6058 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6061 2000-02-02 Nick Clifton <nickc@cygnus.com>
6063 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6065 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6066 (return) was emited using an emit_insn() call.
6068 2000-01-31 Nick Clifton <nickc@cygnus.com>
6070 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6072 (thumb_exit): Move frame pointer back into hard frame pointer
6073 register if backtracing is being used.
6075 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6077 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6080 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6082 * config/arm/arm.md (neg_pool_offset): Provide default for new
6084 (arm_movsi_insn): Add neg_pool_offset attribute.
6085 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6086 rtx for the insn that starts the scan and an unsigned long for its
6087 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6088 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6089 instructions in *PINSERTED.
6090 (struct minipool_fixup): Add MIN_ADDRESS elt.
6091 (sort_fixups): Compute it.
6092 (arm_reorg): Changes to support inserting pools before the insn to be
6095 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6097 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6098 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6099 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6101 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6103 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6105 (TARGET_DEFAULT): Do not define if already defined.
6107 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6109 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6110 (iordi3): Allow disjoint source operands.
6111 (xordi3): Allow disjoint source operands.
6112 (negdi2): Permit construction for ARM and Thumb.
6113 (arm_negdi2): Renamed version of old negdi2 pattern.
6114 (thumb_negdi2): New pattern: Only permit non-overlapping
6115 source and destination.
6117 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6119 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6120 scratch low register so that it will not be deleted.
6122 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6124 * config/arm/pe.h (ARM_PE): Define.
6126 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6127 interfacearm attribute if this is a PE toolchain.
6128 (output_return_instruction): Do not emit anything if the function
6129 has the naked attribute set.
6130 (is_called_in_ARM_mode): If the function has the interfacearm
6131 attribute then return true.
6132 (thumb_expand_prologue): Do not generate a prologue for naked
6134 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6136 (output_thumb_prologue): Do not bother if the function is naked.
6137 Strip PE encoding from function name before emitting.
6139 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6141 * arm.md (pic_load_addr): Fix constraints.
6143 * arm.md (casesi_insn): Fix mis-applied patch.
6145 * arm.md ("core" function unit): Add rules for single- and
6147 (All TARGET_THUMB patterns): Add "type" attribute information
6149 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6150 the following insn is a CALL.
6152 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6154 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6155 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6156 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6158 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6160 * config/arm/linux-gas.h: oops - this file was missed out when the
6161 branch was created...
6163 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6165 * thumb.c: Deleted. Move contents to ...
6167 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6169 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6172 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6173 declare a prototype for asm_output_align();
6175 * arm.c (thumb_condition_code): Delete.
6176 (arm_print_operand): Always use arm_condition_code array.
6178 * arm.c (thumb_return_addr_rtx): Delete.
6179 (arm_save_machine_status, arm_restore_machine_status): Delete.
6180 (arm_init_machine_status, arm_mark_machine_status): New functions.
6181 (arm_init_expanders): Update accordingly.
6182 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6183 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6184 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6186 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6188 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6190 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6193 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6195 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6196 stack backtrace structure.
6198 * config/arm/arm-protos.h: Add prototypes for functions defined in
6201 * config/arm/arm.c (arm_override_options): Fix selection of
6202 attributes of default processor.
6204 * config/arm/coff.h: Delete needless #include.
6206 * config/arm/pe.c: Delete unused code.
6208 * config/arm/pe.h (CPP_DEFINES): Delete
6209 (SUBTARGET_CPP_SPEC): Define.
6210 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6212 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6214 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6216 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6218 (CAN_DEBUG_WITHOUT_FP): Define.
6219 (FIXED_REGISTERS): Make r11 call-saved.
6220 (CALL_USED_REGISTERS): Likewise.
6221 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6222 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6223 frame-pointer is required.
6224 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6225 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6226 if the target normally needs a stack frame in non-leaf functions.
6227 (use_return_insn): Correct logic for determining when a return
6228 instruction can be used.
6229 (output_return_instruction): Handle the frame-pointer register as
6230 a normal register when not TARGET_APCS_FRAME.
6231 (arm_output_prologue): Likewise.
6232 (arm_output_epilogue): Likewise.
6233 (output_func_epilogue): Likewise.
6234 (arm_expand_prologue): Likewise.
6235 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6237 * arm.c (use_return_insn): No need to check floating point regs if
6239 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6240 the code of value stored in the minipool array.
6241 (arm_add_minipool_constant): Likewise.
6243 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6245 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6247 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6249 * tree.c (tree_expr_nonnegative_p): New function.
6251 * tree.h (tree_expr_nonnegative_p): Declare.
6253 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6254 elide some sign_compare warnings.
6255 (build_conditional_expr): Likewise.
6257 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6259 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6261 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6262 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6263 operand. Abort if a 387 operand has an unsupported size.
6265 2000-04-08 Neil Booth <NeilB@earthling.net>
6267 * cppexp.c (parse_charconst): Null does not end character
6269 * cppinit.c (ISTABLE): Null character handled as whitespace.
6270 * cpplex.c (null_warning): new function.
6271 (skip_string): Emit warning if nulls encountered.
6272 (_cpp_skip_hspace): Emit warning if nulls encountered.
6273 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6277 2000-04-07 Richard Henderson <rth@cygnus.com>
6279 * flow.c (loop_depth): Remove.
6280 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6281 (struct propagate_block_info): New.
6282 (life_analysis): Don't allocate reg_next_use.
6283 (propagate_block_delete_insn): Break out of propagate_block.
6284 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6285 (propagate_block_delete_libcall): Likewise.
6286 (propagate_block): Create a propagate_block_info struct to pass
6287 to subroutines. Allocate one not two temporary regsets. Don't
6288 clobber memory for const calls. Look for clobbers in
6289 CALL_INSN_FUNCTION_USAGE.
6290 (mark_set_regs): Recognize COND_EXEC.
6291 (mark_set_reg): Break out of mark_set_1.
6292 (mark_used_reg): Break out of mark_used_regs.
6293 (mark_used_regs): Recognize COND_EXEC.
6294 (insn_dead_p): Use propagate_block_info struct.
6295 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6296 (find_auto_inc, try_pre_increment_1): Likewise.
6297 (print_rtl_with_bb): Dump regs live at end too.
6298 (count_reg_sets_1): Pass in loop_depth.
6299 (count_reg_sets, count_reg_references): Likewise.
6300 (recompute_reg_usage): Provide it.
6302 2000-04-07 Richard Henderson <rth@cygnus.com>
6304 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6307 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6309 * cpplib.c (do_elif): Skip the rest of the line if we're
6310 not going to bother evaluating it.
6311 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6312 to avoid pointless calls to the lexer.
6314 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6316 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6318 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6320 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6322 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6324 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6326 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6328 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6329 crtend so they can be multilibbed.
6330 (STAGESTUFF): Remove s-crt and s-crtS.
6332 2000-04-07 Richard Henderson <rth@cygnus.com>
6334 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6335 if we discover we need a pseudo and no_new_pseudos is true.
6336 * config/alpha/alpha.md (ne:DI insn): New.
6337 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6339 2000-04-07 Richard Henderson <rth@cygnus.com>
6341 * rtl.def (COND_EXEC): New.
6342 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6343 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6345 * genconfig.c (have_cond_arith_flag): Remove.
6346 (have_cond_exec_flag): New.
6347 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6348 (main): Print HAVE_conditional_execution.
6350 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6351 (sched_analyze_insn, print_pattern): Likewise.
6352 * reload.c (find_equiv_reg): Likewise.
6353 * rtlanal.c (reg_referenced_p): Likewise.
6354 (note_stores, dead_or_set_regno_p): Likewise.
6355 (reg_overlap_mentioned_p): Rewrite to use a switch.
6357 * ggc.h (struct rtx_def): Forward declare.
6359 * print-rtl.c (debug_rtx_range): New.
6360 * rtl.h (debug_rtx_range): Declare.
6362 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6364 * gcse.c (gcse_main): Don't rebuild the CFG here.
6365 (delete_null_pointer_checks): Likewise.
6366 * ssa.c (convert_to_ssa): Likewise.
6367 * toplev.c (rest_of_compilation): Do it here instead. Combine
6368 sequential calls to TIMEVAR. Consistently use `insns' instead of
6369 `get_insns()'. Always split insns after reload when optimizing.
6371 * basic-block.h (merge_blocks_nomove): Declare.
6372 (tidy_fallthru_edge): Declare.
6373 * flow.c (merge_blocks_nomove): Document as merging into previous
6374 blocks. Remove cruft from between blocks; remove all edges out of A.
6375 (tidy_fallthru_edge): Export.
6377 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6379 * ssa.c (compute_conservative_reg_partition): Declare with
6381 * toplev.c (clean_dump_file): Remove previously-deleted function
6382 inadvertantly merged back in.
6383 * conflict.c (conflict_graph_add): Use a single call to
6384 htab_find_slot to look up and insert.
6386 2000-04-06 Richard Henderson <rth@cygnus.com>
6388 * genrecog.c (*): Rename _last_insn to last_insn.
6389 (make_insn_sequence): Set the position of the peephole2 C test
6390 to be at the last insn.
6392 2000-04-06 Richard Henderson <rth@cygnus.com>
6394 * flow.c (compute_flow_dominators): Free worklist.
6396 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6398 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6400 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6402 * rtl.h (INSN_P): New macro.
6403 (successor_phi_fn): New typedef.
6404 (for_each_successor_phi): New prototype.
6405 (in_ssa_form): New variable.
6406 (PHI_NODE_P): Likewise.
6407 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6408 phi nodes in successors.
6409 (mark_used_regs): Add PHI case.
6410 (set_phi_alternative_reg): New function.
6411 (life_analysis): Assert that dead code elimination is not selected
6413 * toplev.c (to_ssa_time): New variable.
6414 (from_ssa_time): Likewise.
6415 (compile_file): Zero to_ssa_time and from_ssa_time.
6416 Print time to convert to and from SSA.
6417 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6418 (print_time): Compute percent fraction as integer.
6419 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6420 (convert_to_ssa): Check if we're already in SSA.
6421 Don't eliminate dead code in life_analysis.
6422 Rerun flow and life analysis at bottom.
6423 (eliminate_phi): Use canonical regnos when adding nodes.
6424 (mark_reg_in_phi): New function.
6425 (mark_phi_and_copy_regs): Likewise.
6426 (convert_from_ssa): Rerun life analysis at top.
6427 Use coalesced partition.
6428 Check for removing a phi node at the end of the block.
6429 (compute_coalesced_reg_partition): New function.
6430 (coalesce_regs_in_copies): Likewise.
6431 (coalesce_reg_in_phi): Likewise.
6432 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6433 (for_each_successor_phi): Likewise.
6434 (rename_context): New struct.
6435 (rename_block): Use a rename_context with rename_insn_1. When
6436 renaming sets of a subreg, emit a copy of the entire reg first.
6437 (rename_insn_1): Treat data as a rename_context *. Save current
6439 (rename_set_data): Add field set_insn.
6440 * Makefile.in (HASHTAB_H): Move up in file.
6441 (OBSTACK_H): New macro.
6442 (collect2.o): Use OBSTACK_H in dependencies.
6443 (sdbout.o): Likewise.
6444 (emit-rtl.o): Likewise.
6445 (simplify-rtx.o): Likewise.
6446 (fix-header.o): Likewise.
6447 (OBJS): Add conflict.o.
6448 (conflict.o): New rule.
6449 * basic-block.h: Include partition.h.
6450 (conflict_graph): New typedef.
6451 (conflict_graph_enum_fn): Likewise.
6452 (conflict_graph_new): New prototype.
6453 (conflict_graph_delete): Likewise.
6454 (conflict_graph_add): Likewise.
6455 (conflict_graph_conflict_p): Likewise.
6456 (conflict_graph_enum): Likewise.
6457 (conflict_graph_merge_regs): Likewise.
6458 (conflict_graph_print): Likewise.
6459 (conflict_graph_compute): Likewise.
6460 * conflict.c: New file.
6462 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6464 * tlink.c (read_repo_files): Don't look for .rpo info for
6467 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6469 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6471 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6473 * config/sh/lib1funcs.asm (___udivsi3_i4):
6474 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6475 only depends on FMOVD_WORKS.
6477 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6479 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6480 make double constant 8-byte aligned.
6482 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6484 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6485 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6486 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6487 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6488 Accept storing GENERAL_REGS into offsetable memory.
6489 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6490 building a TFmode constant other than 0.0L into GENERAL_REGS.
6492 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6494 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6496 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6498 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6499 (macro_cleanup): No need to cast pbuf->macro.
6500 (collect_expansion): Use _cpp_get_define_token. Goto done if
6501 it returns VSPACE. Remove check for trailing space after
6503 (_cpp_create_definition): Don't diddle flags here. Return
6505 (unsafe_chars): Handle c1 being EOF.
6506 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6507 checks. Don't push the buffer till after we're done with
6509 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6510 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6511 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6513 (_cpp_parse_assertion): Don't NUL terminate.
6514 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6515 hspace before calling _cpp_parse_assertion. Remove all sets
6516 of only_seen_white. Treat '\f' as hspace. Don't do anything
6517 special with '\n' here.
6518 (maybe_macroexpand): Handle T_EMPTY hash entries without
6519 pushing a buffer at all.
6520 (cpp_get_token): Handle clearing only_seen_white here. Handle
6521 incrementing the line number here. Clear
6522 potential_control_macro as well as only_seen_white, if
6524 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6525 (_cpp_get_define_token): New function, basically like
6526 _cpp_get_directive_token was but doesn't eat horizontal space.
6527 Don't do anything with only_seen_white here.
6528 (_cpp_get_directive_token): Just call _cpp_get_define_token
6529 repeatedly till it returns non-hspace.
6531 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6532 (conditional_skip, skip_if_group): Return int.
6533 (DIRECTIVE_TABLE): Change origin of all conditional directives
6535 (TRAD_DIRECT_P): New macro.
6536 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6537 an error for a bogus directive, unless -lang-asm. Use
6538 TRAD_DIRECT_P. Loop calling handler functions till one returns
6540 (get_macro_name): Don't diddle flags here.
6541 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6542 Create T_EMPTY nodes for #define macro /* nothing */.
6543 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6544 Use hp->name when calling pass_thru_directive.
6545 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6546 Return the result of conditional_skip and/or skip_if_group.
6547 Don't call _cpp_output_line_command.
6548 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6549 Issue -Wtraditional warnings as appropriate. Don't complain
6550 about unrecognized directives. If we are to stop skipping,
6551 return the number of the directive that ended the skip.
6552 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6553 expansion and line commands while skipping. Return the result
6554 of consider_directive_while_skipping, if nonzero.
6555 (do_endif): Just set potential_control_macro here.
6556 (validate_else): Use _cpp_get_directive_token.
6557 (do_assert, do_unassert): Don't save pointers into the
6558 token_buffer across calls to the lexer. Use
6559 _cpp_get_directive_token.
6561 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6562 pointer, not an offset. Replace 'data', which was a generic
6563 pointer, with 'macro', which points to a struct hashnode.
6564 (cpp_reader): Add 'potential_control_macro' pointer.
6565 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6566 (CPP_BUF_GET, CPP_FORWARD): Delete.
6567 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6568 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6569 ACTIVE_MARK_P): Update.
6570 (_cpp_get_define_token): New internal function.
6571 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6573 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6575 * configure.in: And here.
6576 * configure: Regenerate.
6577 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6578 --enable-libstdcxx-v3 is passed at configure time.
6579 * config.h.in: Regenerate.
6581 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6583 * final.c (final): Use xcalloc to allocate line_note_exists.
6584 * function.c (free_after_compilation): Free the temp_slots.
6585 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6586 (combine_temp_slot): Free temp_slots when they get combined.
6587 (purge_addressof): Fix typo in comment.
6588 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6589 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6591 * ggc.h: Include varray.h.
6592 (ggc_pending_trees): Declare.
6593 (ggc_mark_tree_children): Remove declaration.
6594 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6595 * ggc-common.c (ggc_pending_trees): New variable.
6596 (ggc_mark_roots): Call ggc_mark_trees.
6597 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6598 the ggc_pending_trees.
6599 * Makefile.in (GGC_H): New variable. Use it throughout in place
6602 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6604 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6607 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6609 * sh.c (sh_insn_length_adjustment): New function.
6610 * sh-protos.h (sh_insn_length_adjustment): Declare.
6611 * sh.h (ADJUST_INSN_LENGTH): Use it.
6613 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6615 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6616 from the insn where REG_RETVAL is added.
6617 (emit_no_conflict_block): Ditto.
6619 * md.texi (Standard Names): Clarify when movX is needed.
6621 * combine.c (simplify_comparison) [MINUS]: Do not replace
6622 all (op (minus A B) 0) with (op A B).
6624 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6625 J"orn Rennecke <amylaar@cygnus.co.uk>
6627 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6628 (block_lump_real): Likewise.
6630 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6632 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6633 remaining non-zero debugging masks.
6635 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6637 * basic-block.h (verify_flow_info): Declare.
6638 (flow_loop_outside_edge_p): Declare.
6639 * flow.c (verify_flow_info): Remove declaration.
6640 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6642 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6644 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6647 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6649 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6650 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6651 seqdi_zero_trunc+1): Allow splits only if registers are
6654 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6656 * acconfig.h: Add HAVE_GAS_HIDDEN.
6657 * config.in: Regenerated.
6658 * configure.in: Add test for .hidden pseudo-op in gas.
6659 * configure: Regenerated.
6660 * crtstuff.c: Include auto-host.h.
6661 Emit additional .hidden pseudo-op for __dso_handle if the
6662 assembler knows about it.
6664 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6666 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6667 before freeing argnames.
6668 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6670 2000-04-05 Michael Meissner <meissner@redhat.com>
6672 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6673 Walton <jonboy@gordian.com> to make memory references with update
6674 work wtih -mregnames.
6676 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6678 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6679 (regrename_optimize): Rename variables `def_uses' and
6680 `ext_basic_blocks' to avoid conflicts with similarly named
6681 typedefs in traditional C.
6683 * calls.c (initialize_argument_information): Fix typo in previous
6686 2000-04-04 Richard Henderson <rth@cygnus.com>
6688 * regrename.c (consider_available): Test fixed_regs not
6689 PIC_OFFSET_TABLE_REGNUM.
6691 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6693 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6695 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6696 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6697 (ENDFILE_LINUX_SPEC): Always use crtend.
6698 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6699 (powerpc-*-linux-gnu): Likewise.
6700 * configure: Regenerate.
6702 * config/rs6000/eabi.h: Don't include sysv4.h.
6703 (MULTILIB_DEFAULTS): Don't define.
6704 * config/rs6000/eabiaix.h: Don't include eabi.h.
6705 * config/rs6000/eabile.h: Delete.
6706 * config/rs6000/eabilesim.h: Delete.
6707 * config/rs6000/eabisim.h: Don't include eabi.h.
6708 * config/rs6000/linux.h: Don't include sysv4.h.
6709 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6710 (MULTILIB_DEFAULTS): Don't redefine.
6711 * config/rs6000/rtems.h: Don't include eabi.h.
6712 * config/rs6000/sol2.h: Don't include sysv4le.h.
6713 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6714 * config/rs6000/t-ppc: Delete.
6715 * config/rs6000/t-ppcgas: Correct comment.
6716 * config/rs6000/t-ppcos: Correct comment. Don't build
6717 multilibs for -fPIC, rather use -fPIC -mstrict-align
6719 * config/rs6000/t-ppc: Delete.
6720 * config/rs6000/vxppc.h: Don't include sysv4.h.
6721 * config/rs6000/vxppcle.h: Delete.
6722 * configure.in: Use multiple header files for p2pc ELF targets
6723 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6724 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6725 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6726 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6727 always available for these platforms.
6729 2000-04-04 Richard Henderson <rth@cygnus.com>
6731 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6733 2000-04-04 Stan Cox <scox@cygnus.com>
6735 * Makefile.in: Add rules for regrename.o
6736 * regrename.c: New file.
6737 * rtl.h (regrename_optimize): Add prototype.
6738 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6739 (compile_file, decode_d_option): Add support for -frename-registers.
6740 (rest_of_compilation): Call regrename_optimize.
6741 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6744 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6746 * Makefile (gccbug): New target.
6747 (doc): Depend on it.
6748 * gcc.texi (Bugs): Link subnodes.
6750 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6751 Document severities, priorities, and classes in bug form.
6753 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6755 * cpplex.c (trigraph_map, speccase): Combine into single
6757 (NORMAL, NONTRI): New macros.
6758 (_cpp_read_and_prescan): Change to use unified table. Use
6759 is_hspace to test for whitespace.
6761 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6762 definition that doesn't provoke the "empty body in an
6763 if-statement" warning.
6765 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6767 * builtins.c (expand_builtin_strlen): Force the source to
6768 be a memory address.
6770 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6772 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6774 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6776 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6777 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6778 (ECF_IS_CONST): Rename to ECF_CONST.
6779 (special_function_p): Make static, change interface.
6780 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6781 (expand_call) ... here; convert number of variables to flags.
6782 (emit_library_call_vlue_1): Likewise.
6783 (setjmp_call_p): New function.
6784 (initialize_argument_information): Accepts flags as argument;
6786 (precompute_arguments): Likewise.
6787 * tree.h (special_function_p): Remove.
6788 (setjmp_call_p): Add prototype.
6790 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6792 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6793 so that addresses are offsetable by up to 16 bytes.
6794 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6795 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6798 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6799 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6800 (movsf): Don't force any constant to memory if target is integer
6802 Move fp_zero_operand check below the const0_rtx check.
6803 (movtf): Likewise. Also allow fp_zero_operand for stores into
6805 (movdf): Likewise. Also allow fp_zero_operand for stores into
6806 memory and into integer hard registers.
6807 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6808 movdf_const_intreg_sp64): Remove.
6809 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6811 (movdf_no_e_insn_v9_sp32): New pattern.
6812 (movdf_insn_v9only): Remove.
6813 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6814 (movdf_insn_sp64): Remove.
6815 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6816 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6817 (following splits): Rewrite conditions. Add two new splits
6818 for storing 0.0 into memory and registers.
6819 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6820 (movtf_insn_sp32): Redo constraints and conditions.
6821 (movtf_insn_vis_sp32): New pattern.
6822 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6823 (movtf_insn_hq_sp64): Likewise.
6824 (movtf_insn_hq_vis_sp64): New pattern.
6825 (movtf_insn_sp64): Redo constraints and conditions.
6826 (movtf_insn_vis_sp64): New pattern.
6827 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6828 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6830 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6831 -mvis or -m64 to take down the number of various reload patterns.
6833 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6835 * pa/pa-64.h: New file.
6836 * pa/pa64-regs.h: New file.
6837 * pa/pa64-start.h: New file.
6838 * pa/t-pa64: New file.
6839 * pa/xm-pa64hpux.h: New file.
6841 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6843 * sparc.c (output_restore_regs): Prototype.
6844 (sparc_emit_float_lib_cmp): Constification.
6846 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6848 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6851 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6852 (get_value_hash, hash_rtx): Likewise.
6854 * ssa.c (compute_conservative_reg_partition): Prototype.
6856 * tree.c (mark_hash_entry): Prototype.
6858 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6860 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6861 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6862 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6864 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6865 * objc/lang-specs.h: Likewise.
6867 2000-04-03 Neil Booth <NeilB@earthling.net>
6869 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6870 and SYNTAX_ERROR2. Replace `' in messages with ''.
6871 (op_to_str): Make re-entrant.
6872 (_cpp_parse_expr): Implement new error macros. Use | rather
6873 than || to logically or 2 boolean integers. Simply expression
6874 checking we have a left operand iff needed.
6876 2000-04-03 Nick Clifton <nickc@cygnus.com>
6878 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6880 2000-04-03 Philip Blundell <philb@gnu.org>
6882 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6884 2000-04-03 Felix Lee <flee@cygnus.com>
6886 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6887 (run_shell): Use it.
6889 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6891 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6892 (stmp-fixproto): ...rather than here.
6894 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6896 * pa.c (print_operand): Compute 'base' only inside the code paths
6899 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6901 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6904 2000-04-03 Philipp Thomas <pthomas@suse.de>
6906 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6908 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6910 * Makefile.in (alias.o): Depend on $(TREE_H).
6912 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6914 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6916 * cpplib.c (_cpp_handle_directive): Improve warnings for
6917 traditional C and indented directives.
6919 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6920 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6921 fixinc/inclhack.def: Indent the # of #include_next one space.
6922 * cp/rtti.c: Un-indent #if and #endif.
6924 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6925 syntax error, but an error has already been printed.
6926 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6927 message when called with nothing remaining on the line.
6928 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6929 OTHER token, not an ASSERTION.
6930 * cpplib.c (do_assert): When we create a 'base' node, clear
6931 its aschain pointer.
6933 2000-04-02 Neil Booth <NeilB@earthling.net>
6935 * cppexp.c: New typedef op_t. struct operation and struct
6936 token updated to use it.
6937 (op_to_str): New function.
6938 (_cpp_parse_expr): Error messages modified to use op_to_str.
6940 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6942 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6943 before checking MUST_PASS_IN_STACK.
6945 2000-04-02 Neil Booth <NeilB@earthling.net>
6947 * cppexp.c: New FINISHED dummy token. Combine operator initial
6948 flags and initial priority into a single constant. New
6949 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6950 (_parse_cpp_expr): Implement new constants. Take left operand
6951 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6952 parse indicated by reducing FINISHED token. Remove new lines
6953 from cpp_error messages.
6955 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6957 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6960 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6962 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6963 directive. Add origin values to DIRECTIVE_TABLE. Generate
6964 the strings and function names on the fly. Take the #sccs
6965 entry out of the table if SCCS_DIRECTIVE is not defined.
6966 (_cpp_handle_directive): Decide if the # was at the beginning
6967 of the line here. Issue -pedantic warnings for extended
6968 directives here. Warn about K+R directives with the #
6969 indented, and C89/extended directives with the # not indented,
6971 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6972 do_assert, do_unassert): Don't issue pedantic warning here.
6974 * cpphash.h: Add CPP_WTRADITIONAL macro.
6975 * cpplib.h (struct cpp_options): Rename warn_stringify to
6976 warn_traditional; update comments.
6977 * cppinit.c (handle_option): Set warn_traditional not
6979 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6980 CPP_WTRADITIONAL (pfile).
6981 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6982 be ignored in -traditional mode here.
6984 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6985 to initialize speccase[] and trigraph_map[]. Delete all
6986 references to pfile->input_speccase. Always treat '?' as a
6987 special character. Remove table-initialization code from
6988 _cpp_init_input_buffer.
6990 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6991 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6993 2000-04-01 Richard Henderson <rth@cygnus.com>
6995 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6996 (mostlyclean): Likewise.
6998 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6999 (struct dump_file_info, enum dump_file_index, dump_file): New.
7000 (open_dump_file): Take a dump_file_index not a suffix, and a decl
7001 not a string. Clean out file if we havn't yet done so. Do nothing
7002 if the dump isn't enabled.
7003 (close_dump_file): Do nothing if the dump isn't open. Dump
7004 graph data if requested.
7005 (dump_rtl, clean_dump_file): Remove.
7006 (compile_file): Don't clean the dump files. Only finalize .bp dump
7007 if flag_test_coverage or flag_branch_probabilities. Only finalize
7008 .combine dump if optimizing. Iterate over dump_file to finalize the
7010 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7011 Convert all uses of dump_rtl.
7012 (decode_d_option): Iterate over dump_file to implement 'a' and to
7013 locate pass-specific dumps.
7015 2000-04-01 Neil Booth <NeilB@earthling.net>
7017 * cppexp.c: Redefine priority constants.
7018 (_cpp_parse_expr): Replace left and right priority scheme with
7019 single priority logic. Move LOGICAL to same place as COMPARE.
7020 Remove bogus check for multiple unary +/- operators.
7022 2000-04-01 Neil Booth <NeilB@earthling.net>
7024 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7025 within the switch statement. Binary operations break out of
7026 the switch naturally. '(' tokens handled by forcing
7027 immediate shift. ')' handled by forcing immediate reduce to
7028 the previous '('. New error messages.
7030 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7032 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7033 part', it's already in use. Use %K instead. Add a return at the
7034 end of what is now %K.
7035 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7037 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7039 * builtins.c (expand_builtin_apply): Pass proper parameters to
7040 allocate_dynamic_stack_space.
7041 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7042 update stack_pointer_delta; do not update arg_size_so_far.
7043 (compute_argument_block_size): Use stack_delta instead of
7044 stack_pointer_pending and arg_size_so_far.
7045 (expand_call): Add sanity checking for stack_pointer_delta;
7046 save and restore stack_pointer_delta for SIB, use
7047 stack_pointer_delta for alignment; do not update arg_space_so_far.
7048 (emit_library_call_value): Use stack_pointer_delta for alignment.
7049 (store_one_arg): Do not update arg_space_so_far.
7050 * explow.c (adjust_stack, anti_adjust_stack): Update
7051 stack_pointer_delta.
7052 (allocate_dynamic_stack_space): Add sanity checking for
7053 stack_pointer_delta.
7054 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7055 stack_pointer_delta.
7056 (emit_push_insn): Update stack_pointer_delta.
7057 * function.h (struct expr_status): Add x_stack_pointer_delta;
7058 remove x_arg_space_so_far.
7059 (arg_space_so_far): Remove.
7060 (stack_pointer_delta): New macro.
7062 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7064 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7065 Reorder struct cpp_options and struct cpp_reader for better
7066 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7067 takes two args. Change all 'char' flags to 'unsigned char'.
7068 Move show_column flag into struct cpp_options. Don't
7069 prototype cpp_options_init.
7070 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7071 cppinit.c, cpplex.c, cpplib.c:
7072 Replace CPP_OPTIONS (pfile)->whatever with
7073 CPP_OPTION (pfile, whatever), and likewise for
7074 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7076 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7077 Extract CPP_OPTION (pfile, pending) and work with that
7079 (cpp_options_init): Delete.
7080 (cpp_reader_init): Turn on on-by-default options here.
7081 Allocate the pending structure here.
7082 (cl_options, enum opt_code): Define these from the same table,
7083 kept in a large macro. Add -fshow-column and -fno-show-column
7086 * cpperror.c (v_message): If show_column is off, don't print
7089 * cppmain.c: Update for new interface.
7090 * fix-header.c: Likewise.
7092 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7094 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7096 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7097 are passed to any invocation of AR_FOR_TARGET.
7098 (AR_CREATE_FOR_TARGET): New macro.
7099 (AR_EXTRACT_FOR_TARGET): New macro.
7100 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7101 AR_EXTRACT_FOR_TARGET.
7102 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7103 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7104 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7105 AR_EXTRACT_FOR_TARGET to sub-makes.
7107 2000-03-31 Neil Booth <NeilB@earthling.net>
7109 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7111 (_cpp_parse_expr): Check for multiple unary +/- operators.
7112 Correct priorities of ':' and '?'. Treat ')' as having a
7113 value. Ensure conditional expression is not void.
7115 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7117 * alias.c (canon_rtx): Make it global.
7118 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7120 * cse.c (struct table_elt): Add canon_exp.
7122 (invalidate): Canonicalize expressions only once.
7123 * rtl.h (canon_rtx): Declare.
7125 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7127 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7128 * alias.c (reg_known_value): Add comments.
7129 (init_alias_analysis): Likewise.
7130 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7132 (cse_basic_block): Fix typo in comment.
7133 * emit-rtl.c: Include hashtab.h.
7134 (const_int_htab): New variable.
7135 (const_int_htab_hash): New function.
7136 (const_int_htab_eq): Likewise.
7137 (rtx_htab_mark_1): Likewise.
7138 (rtx_htab_mark): Likewise.
7139 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7140 (unshare_all_rtx): Fix formatting.
7141 (init_emit_once): Initialize const_int_htab.
7142 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7144 * rtl.texi: Document the fact that all CONST_INTs with the same
7147 2000-03-30 Richard Henderson <rth@cygnus.com>
7149 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7151 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7153 * configure.in: Comment out --enable-c-cpplib stanza.
7154 * configure: Regenerate.
7156 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7158 * expr.c (store_constructor): Properly compute displacement and
7159 alignment when offset is variable.
7161 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7162 cases of alignment in bytes.
7164 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7166 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7167 since it is used to generate c-parse.y.
7168 * objc-parse.c, objc-parse.y: Regenerated.
7170 * function.c (expand_function_end): Pass alignment argument to
7171 emit_block_move in bits, not bytes.
7173 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7175 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7178 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7180 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7181 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7182 * function.c (assign_parms): Likewise.
7183 * integrate.c (expand_inline_function): Likewise.
7184 * stmt.c (expand_decl): Likewise.
7185 (copy_rtx_and_substitute): Likewise.
7186 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7187 (clear_by_pieces): Fix error in last change.
7188 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7189 * function.h (regno_pointer_align): Now unsigned.
7190 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7192 * config/i386/i386.c (aligned_operand): Likewise.
7193 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7194 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7195 (unaligned_memory_operand): Likewise.
7196 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7197 Also make alignments and sizes unsigned and some whitespace cleanup.
7198 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7200 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7201 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7202 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7203 (expand_builtin_memset): Likewise, but to clear_storage.
7204 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7205 (restore_fixed_argument_area): Likewise.
7206 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7207 (load_register_parameters): Likewise, to emit_group_load.
7208 (expand_call): Likewise, to emit_group_store and emit_block_move.
7209 (emit_library_call_value_1): Likewise, to emit_block_move.
7210 (store_one_arg): Likewise, and to emit_push_insn.
7211 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7212 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7213 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7214 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7215 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7216 (expand_assigment, store_expr, store_constructor_field): Likewise.
7217 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7218 (store_constructor, store_field, get_inner_reference): Likewise.
7219 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7220 (expand_expr, case COMPONENT_REF): Likewise.
7221 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7222 and positions; reindent code.
7223 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7224 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7225 (assign_parms): Likewise to emit_group_store.
7226 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7227 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7228 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7229 (expand_return): Likewise to {extract,store}_bit_field.
7230 * stor-layout.c (get_mode_alignment): Minor cleanup.
7231 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7232 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7234 2000-03-29 Nick Clifton <nickc@cygnus.com>
7236 * config/arm/arm.h: Undo effects of previous delta:
7237 (ASM_SPEC): Do not define.
7238 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7240 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7243 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7245 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7246 only after reading in the primary source file.
7248 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7250 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7251 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7252 or a reference to a va_list.
7253 * builtins.c (stabilize_va_list): Simplify now we don't have to
7254 work around C array address decay.
7255 * c-typeck.c (convert_for_assignment): Handle assignment to
7256 a reference parameter by taking the address of the RHS.
7257 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7258 (va_copy): Likewise.
7259 (__va_copy): Likewise.
7260 * ginclude/varargs.h (va_start): Likewise.
7261 (__va_copy): Likewise.
7263 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7265 * i386/djgpp.h: Remove extraneous "+".
7267 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7269 * calls.c (expand_call): Fix typo in last change.
7271 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7273 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7276 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7278 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7279 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7280 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7281 * tree.c (bit_position, byte_position): Likewise.
7282 * tree.h: Declare new functions.
7284 2000-03-29 Nick Clifton <nickc@cygnus.com>
7286 * config/arm/arm.c: Minor formatting changes/
7287 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7289 (ASM_SPEC): Define if not already defined.
7291 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7293 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7296 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7298 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7299 value, don't output it as unsigned.
7301 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7303 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7305 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7307 * c-common.c (c_common_nodes_and_builtins): Don't special case
7308 cplus_mode when declaring builtin bzero/bcmp, always avoid
7309 prototype arguments.
7311 2000-03-29 Bruce Korb <bkorb@gnu.org>
7313 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7316 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7318 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7319 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7320 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7321 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7322 (save_fixed_argument_area, restore_fixed_argument_area):
7323 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7324 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7325 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7326 (precompute_register_parameters): Avoid #ifdefs on
7327 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7328 (stire_one_args): Likewise.
7329 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7330 (emit_library_call_value_1): Likewise.
7331 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7332 ACCUMULATE_OUTGOING_ARGS.
7333 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7335 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7336 (use_crosses_set_p): Likewise.
7337 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7338 #define ACCUMULATE_OUTGOING_ARGS 1.
7339 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7341 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7343 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7344 (TARGET_SWITCHES): Add push-args, no-push-args,
7345 accumulate-outgoing-args and no-accumulate-outgoing-args.
7346 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7347 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7348 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7350 (emit_push_insn): Likewise.
7351 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7352 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7353 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7354 (STACK_DYNAMIC_OFFSET): Define correctly for both
7355 ACCUMULATE_OUTGOING_ARGS and normal mode.
7356 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7357 * tm.texi (PUSH_ARGS): Document.
7358 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7360 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7362 * flags.h (flag_optimize_sibling_calls): Declare.
7363 * calls.c (expand_call): Fail sibcall when
7364 !flag_optimize_sibling_calls
7365 * invoke.texi (flag_optimize_sibling_calls): Document.
7366 * toplev.c (flag_optimize_sibling_calls): New global variable.
7367 (f_options): Add flag_optimize_sibling_calls.
7368 (rest_of_compilation): Conditionize
7369 optimize_sibling_and_tail_recursive_calls by
7370 flag_optimize_sibling_calls.
7371 (main): Set flag_optimize_sibling_calls for -O2.
7372 * stmt.c (expand_return): Conditionize tail recursion by
7373 flag_optimize_sibling_calls.
7375 2000-03-29 Richard Henderson <rth@cygnus.com>
7377 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7378 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7380 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7382 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7384 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7386 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7388 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7389 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7390 * config/rs6000/aix.h: then modified likewise.
7392 2000-03-28 Richard Henderson <rth@cygnus.com>
7394 * rtl.h: Redistribute enum reg_note documentation.
7395 Kill trailing whitespace.
7396 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7397 Kill trailing whitespace.
7399 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7401 * cppfiles.c (hash_IHASH): Just return i->hash.
7402 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7403 htab_find_with_hash.
7404 (cpp_read_file): Likewise.
7405 (find_include_file): Likewise. Properly initialize
7406 ih->nshort. Share ih->name and ih->nshort if possible.
7407 * cpphash.c (_cpp_calc_hash): New function.
7408 (hash_HASHNODE): Just return h->hash.
7409 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7410 htab_find_with_hash.
7411 * cpphash.h: Prototype _cpp_calc_hash.
7412 * cppinit.c (initialize_builtins): Provide a valid hash
7413 to _cpp_make_hashnode, using _cpp_calc_hash.
7415 * cpphash.c (collect_expansion): # is not a special character
7416 in object-like macros. In -traditional mode, /**/ is not
7417 token paste at the beginning or end of the line.
7418 * cpplib.c (do_include, do_import, do_include_next): If
7419 parse_include fails, return immediately.
7421 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7423 * config/arm/arm.md (return peepholes): Update to reflect the new
7425 * config/arm/arm.c (arm_volatile_func): Also check
7426 current_function_nothrow.
7427 (output_return_instruction, output_func_prologue): Use it.
7428 (arm_output_epilogue, arm_expand_prologue): Likewise.
7430 2000-03-27 Tom Tromey <tromey@cygnus.com>
7432 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7435 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7437 * expr.c (store_constructor): SIZE now signed.
7438 For EXPR_SIZE, don't evaluate size; just needed if constant.
7439 * fold-const.c (fold): Fix a number of cases when folded tree is
7441 * function.c (flush_addressof): Reenable.
7442 * tree.h (flush_addressof): Likewise.
7443 * toplev.c (independent_decode_option): Look at strings_processed.
7444 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7446 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7448 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7449 Allow stack adjustment after function call.
7451 * regmove.c (struct csa_memlist): Make mem field rtx *.
7452 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7453 (try_apply_stack_adjustment): Replace whole MEM rtx.
7454 (combine_stack_adjustments_for_block): Update calls
7455 to record_one_stack_ref.
7457 2000-03-28 Neil Booth <NeilB@earthling.net>
7459 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7460 '\\' rather than a null character, so nulls are not special. Fix
7461 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7462 speed trigraph conversion.
7463 (_cpp_init_input_buffer): Initialize trigraph map.
7465 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7467 * config/i386/i386.c (output_387_binary_op): Correct intel
7468 mode assembly output, and add spaces after commas in AT&T
7469 output. Correct Unixware assembler comment. Document input
7470 constraints. Comment fp operations. Reduce profligate buffer
7471 size. Remove extraneous abort. Localize temp var.
7472 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7473 (output_fix_trunc): Add spaces after commas in assembly output.
7475 2000-03-27 Richard Henderson <rth@cygnus.com>
7477 * i386-protos.h (ix86_match_ccmode): Declare.
7478 * i386.c (ix86_match_ccmode): New.
7479 (ix86_expand_fp_compare): Update for pattern renames.
7480 (ix86_expand_strlensi_unroll_1): Likewise.
7481 * i386.h (EXTRA_CC_MODES): Add CCZ.
7482 (SELECT_CC_MODE): Use it for EQ/NE zero.
7483 * i386.md (cmpsi_ccz_1): New.
7485 (*testsi_ccz_1): New.
7486 (testqi_ccz_1): New.
7487 (cmpsi_ccno_1): Rename from cmpsi_0.
7488 (testsi_ccno_1): Rename from testsi_1.
7489 (testqi_ccno_1): Rename from testqi_1.
7490 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7491 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7492 (*cmphi_0): Use ix86_match_ccmode.
7493 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7494 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7495 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7496 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7497 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7498 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7499 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7500 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7501 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7502 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7503 (appropriate peepholes): Likewise.
7504 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7505 (*subsi_3, *subhi_3, *subqi_3): Remove.
7506 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7507 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7508 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7509 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7510 (x86_shift_adj_1): Use CCZ.
7511 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7513 2000-03-27 Stan Cox <scox@cygnus.com>
7515 * resource.h (mark_resource_type): New.
7516 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7517 find_free_register): Use mark_resource_type.
7518 (mark_set_resources): Change include_delayed_effects
7519 to mark_resource_type.
7520 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7521 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7522 Use mark_resource_type.
7524 2000-03-27 Richard Henderson <rth@cygnus.com>
7526 * i386.md (call_pop_0, call_value_pop_0): New.
7527 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7528 (call_value_pop_1): Likewise.
7529 (call_0, call_value_0): New.
7530 (call_1, call_value_1): Remove constraint from unused arg.
7532 2000-03-27 Nick Clifton <nickc@cygnus.com>
7534 * invoke.texi (Spec Files): Document new spec % command created by
7535 Tom Tromey's recent patch.
7537 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7539 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7542 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7544 * expr.c (expand_assignment): Fix typo in last change.
7546 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7548 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7550 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7551 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7552 and DECL_INLINE if FUNCTION_DECL.
7553 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7554 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7555 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7556 (combine_parm_decls): Likewise.
7557 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7558 * print-tree.c (print_node): Likewise.
7559 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7560 DECL_TRANSPARENT_UNION on proper decl types.
7561 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7562 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7563 DECL_BIT_FIELD of FIELD_DECL.
7564 * tree.h (DECL_RESULT_FLD): New macro.
7566 * expr.c (expand_assignment): Add code to handle variable-sized
7569 2000-03-26 Richard Henderson <rth@cygnus.com>
7571 * calls.c (expand_call): Pass parms not original exp to
7572 optimize_tail_recursion. Mind return value instead of looking
7574 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7575 call_expr. Move checks for call_expr and current_function_decl ...
7576 (expand_return): ... here.
7578 2000-03-26 Tom Tromey <tromey@cygnus.com>
7580 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7581 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7583 (process_command): Use them.
7584 (check_live_switch): Likewise.
7585 (give_switch): Skip ignored switches.
7587 2000-03-26 Jan Hubicka <jh@suse.cz>
7589 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7590 for minimal jump pass test.
7592 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7594 * integrate.c (function_cannot_inline_p): Do inline functions that
7597 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7599 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7600 now a list of TREE_LIST entries, not types.
7601 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7603 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7604 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7606 * config/mips/mips.c (function_arg): Likewise; also remove cast
7607 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7608 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7609 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7610 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7611 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7612 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7613 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7614 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7615 num_adjusts now unsigned.
7616 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7617 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7619 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7620 as is BITPOS variable; use host_integerp and int_bit_position.
7621 (function_arg_record_value_2): Likewise.
7622 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7623 Variable REGNO now unsigned.
7624 (function_arg_record_value): NREGS now unsigned.
7626 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7628 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7630 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7632 * Rework fields used to describe positions of bitfields and
7633 modify sizes to be unsigned and use HOST_WIDE_INT.
7634 * alias.c (reg_known_value_size): Now unsigned.
7635 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7636 (really_start_incremental_init): Use bitsize_zero_node.
7637 (push_init_level, pop_init_level, output_init_element): Likewise.
7638 Use bitsize_unit_node and bitsize_one_node.
7639 (output_pending_init_elements, process_init_element): Likewise.
7640 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7641 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7642 HOST_WIDE_INT, respectively.
7643 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7644 (num_sign_bit_copies): Returns unsigned.
7645 BITWIDTH now unsigned; rework arithmetic.
7646 Remove recursive call from arg to MAX.
7647 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7648 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7650 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7651 (find_split_point, expand_compound_operation, make_extraction): LEN
7652 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7653 (make_field_assignment): Likewise.
7654 (combine_simplify_rtx): Add cast.
7655 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7656 (force_to_mode): WIDTH now unsigned; add cast.
7657 (if_then_else_cond): SIZE now unsigned.
7658 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7659 (extended_count): Now returns unsigned.
7660 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7661 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7662 (simplify_comparison): MODE_WIDTH now unsigned.
7663 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7664 (mark_used_regs_combine): Likewise; rework arithmetic.
7665 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7666 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7667 (record_promoted_value): REGNO now unsigned.
7668 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7669 (get_last_value): REGNO now unsigned.
7670 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7671 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7672 (remove_death): Arg REGNO now unsigned.
7673 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7674 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7676 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7677 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7678 (struct cse_reg_info): REGNO now unsigned.
7679 (cached_regno): Now unsigned.
7680 (REGNO_QTY_VALID_P): Add cast.
7681 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7682 (remove_invalid_regs): Likewise.
7683 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7684 as are variables END and I.
7685 (get_cse_reg_info, insert): Likewise.
7686 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7687 (canon_hash): Likewise.
7688 (insert_regs, lookup_for_remove): REGNO now unsigned.
7689 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7691 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7692 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7693 * emit-rtl.c (subreg_realpart_p): Add cast.
7694 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7695 (operand_subword_force): Arg I is now unsigned.
7696 * except.c (eh_regs): Variable I is now unsigned.
7697 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7698 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7699 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7700 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7701 (extract_split_bit_field, store_bit_field, extract_bit_field):
7703 * expr.c (store_constructor_fields, store_constructor, store_field):
7704 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7705 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7706 (do_jump): Likewise.
7707 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7708 MAX_SIZE is now unsigned.
7709 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7710 (emit_group_store): Likewise.
7711 (emit_move_insn): I now unsigned.
7712 (store_constructor): Use host_integerp, tree_low_cst, and
7714 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7715 Rework all calculations to use trees and new fields.
7716 * expr.h (promoted_input_arg): Regno now unsigned.
7717 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7718 (mark_seen_cases): Arg is HOST_WIDE_INT.
7719 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7720 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7721 precisions and alignments are unsigned.
7722 (optimize_bit_field_compare, fold_truthop): Likewise.
7723 (int_const_binop): Adjust threshold for size_int_type_wide call.
7724 (fold_convert): Likewise.
7725 (size_int_type_wide): Make table larger and fix thinko that only
7726 had half of table used.
7727 (all_ones_mask_p, fold): Precisions are unsigned.
7728 * function.c (put_reg_info_stack): REGNO is unsigned.
7729 (instantiate_decl): Size is HOST_WIDE_INT.
7730 (instantiate_virtual_regs): I is unsigned.
7731 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7732 (promoted_input_arg): REGNO is unsigned.
7733 * function.h (struct function): x_max_parm_reg is now unsigned.
7734 * gcse.c (max_gcse_regno): Now unsigned.
7735 (struct null_pointer_info): min_reg and max_reg now unsigned.
7736 (lookup_set, next_set): REGNO arg now unsigned.
7737 (compute_hash_table): REGNO and I now unsigned.
7738 (handle_avail_expr): regnum_for_replacing now unsigned.
7739 (cprop_insn): REGNO now unsigned.
7740 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7741 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7742 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7743 * hard-reg-set.h (reg_class_size): Now unsigned.
7744 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7745 * jump.c (mark_modified_reg): I now unsigned; add cast.
7746 (rtx_equal_for_thread_p): Add cast.
7747 * loop.c (max_reg_before_loop): Now unsigned.
7748 (struct_movable): REGNO now unsigned.
7749 (try_copy_prop): REGNO arg unsigned.
7750 (regs_match_p): XN and YN now unsigned.
7751 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7752 (strength_reduce): Likewise; NREGS also unsigned.
7753 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7754 * loop.h (struct iv_class): REGNO now unsigned.
7755 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7757 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7758 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7759 * optabs.c (expand_binop): I and NWORDS now unsigned.
7760 (expand_unop): I now unsigned.
7761 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7762 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7763 * real.c (significand_size): Now returns unsigned.
7764 * real.h (significand_size): Likewise.
7765 * regclass.c (reg_class_size): Now unsigned.
7766 (choose_hard_reg_mode): Both operands now unsigned.
7767 (record_reg_classes): REGNO and NR now unsigned.
7768 (reg_scan): NREGS now unsigned.
7769 (reg_scan_update): old_max_regno now unsigned.
7770 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7771 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7772 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7773 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7774 Likewise for variable R.
7775 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7776 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7777 (find_equiv_reg): Add casts.
7778 (regno_clobbered_p): Arg REGNO now unsigned.
7779 * reload.h (struct reload): NREGS now unsigned.
7780 (refers_to_regno_for_reload_p): Regno args are unsigned.
7781 (regno_clobbered_p): Likewise.
7782 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7783 (compute_use_by_pseudos): REGNO now unsigned.
7784 (find_reg): I and J now unsigned, new variable K, and change loop
7785 variables accordingly; THIS_NREGS now unsigned.
7786 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7787 (spill_hard_reg): REGNO arg now unsigned; add casts.
7788 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7789 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7790 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7791 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7792 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7793 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7794 (emit_reload_insns): REGNO now unsigned.
7795 (reload_cse_move2add): Add cast.
7796 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7798 * resource.c (mark_referenced_resources, mark_set_resources): New
7799 variable R; REGNO and LAST_REGNO now unsigned.
7800 (mark_target_live_regs): J and REGNO now unsigned.
7801 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7802 * rtl.h (union rtunion_def): New field rtuint.
7803 (XCUINT): New macro.
7804 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7805 (operand_subword, operand_subword_force): Word number is unsigned.
7806 (choose_hard_reg_mode): Operands are unsigned.
7807 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7808 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7809 (regno_use_in, combine_instructions, remove_death): Likewise.
7810 (reg_scan, reg_scan_update): Likewise.
7811 (extended_count): Return is unsigned.
7812 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7813 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7814 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7815 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7816 (reg_reg_last_1): FIRS and LAST now unsigned.
7817 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7818 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7820 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7821 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7822 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7823 (replace_regs): Arg NREGS now unsigned.
7824 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7825 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7826 (simplify_binary_operation): Likewise.
7827 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7828 THIS_LAST now unsigned.
7829 (cselib_record_set): Add cast.
7830 * ssa.c (ssa_max_reg_num): Now unsigned.
7831 (rename_block): REGNO now unsigned.
7832 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7834 (all_cases_count): Just return -1 not -2.
7835 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7836 Rework tests to use trees whenever possible.
7837 Use host_integerp and tree_low_cst.
7838 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7839 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7840 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7841 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7842 (smallest_mode_for_size): Likewise.
7843 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7844 KNOWN_ALIGN is now an alignment, so simplify code.
7845 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7846 (start_record_layout): Renamed from new_record_layout_info.
7847 Update to new fields.
7848 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7850 (place_union_field): Renamed from layout_union_field.
7851 Update to use new fields in rli.
7852 (place_field): Renamed from layout_field.
7853 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7854 (finalize_record_size): Rework to use new fields in rli and handle
7856 (compute_record_mode): Rework to simplify and to use new DECL fields.
7857 (finalize_type_size): Make rounding more consistent.
7858 (finish_union_layout): Deleted.
7859 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7860 (layout_type, case RECORD_TYPE): Call new function names.
7861 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7862 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7863 (get_best_mode): UNIT is now unsigned; remove casts.
7864 * tree.c (bit_position): Compute from new fields.
7865 (byte_position, int_byte_position): New functions.
7866 (print_type_hash_statistics): Cast to remove warning.
7867 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7868 (build_index_type): Likewise; make subtype of sizetype.
7869 (build_index_2_type): Pass sizetype to build_range_type.
7870 (build_common_tree_nodes): Use size_int and bitsize_int to
7871 initialize nodes; add bitsize_{zero,one,unit}_node.
7872 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7873 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7874 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7875 (DECL_FIELD_BITPOS): Deleted.
7876 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7877 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7878 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7879 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7880 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7881 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7882 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7883 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7884 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7885 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7886 (DECL_ALIGN): Adjust to new field in union.
7887 (DECL_OFFSET_ALIGN): New field.
7888 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7889 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7890 (union tree_decl): Add struct for both aligns.
7891 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7892 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7893 (struct record_layout_info): Rework fields to have offset
7894 alignment and byte and bit position.
7895 (start_record_layout, place_field): Renamed from old names.
7896 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7897 (byte_position, int_byte_position): Likewise.
7898 (get_inner_reference): Change types of position and length.
7899 * unroll.c (unroll_loop): New variable R; use for some loops.
7900 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7901 (calculate_giv_inc): Arg REGNO now unsigned.
7902 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7903 * varasm.c (assemble_variable): Clean up handling of size using
7904 host_integerp and tree_low_cst.
7905 (decode_addr_const): Use byte, not bit, position.
7906 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7907 use tree_low_cst and int_bit_position.
7908 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7910 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7912 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7913 (reorder_block_def): New members eff_head and eff_end.
7914 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7915 (verify_insn_chain): New function.
7916 (skip_insns_between_block): Add code to skip deleted insns.
7917 Check for note before using.
7918 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7919 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7920 Check for note before using.
7921 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7922 (fixup_reorder_chain): Restructure, clean up, defect removal.
7923 (reorder_basic_blocks): Remove last_insn and references to it.
7924 Moved insn chain verification code into a new function (see above).
7925 Delete defective code that sets last insn.
7926 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7929 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7931 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7933 2000-03-24 Richard Henderson <rth@cygnus.com>
7935 * tree.c (lang_safe_for_unsave): Remove.
7936 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7937 allowing for two levels of unsafeness. Remove lang hook.
7938 * tree.h: Update declarations.
7939 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7940 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7941 Always fail sibcalls when there are pending cleanups.
7943 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7945 * flow.c (propagate_block): When we delete an ADDR_VEC,
7946 also delete the BARRIER following it if there is one.
7948 2000-03-24 Richard Henderson <rth@cygnus.com>
7950 * builtins.c (expand_builtin_bzero): Convert `length' argument
7953 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7955 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7956 comparison if regno's are equal.
7957 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7958 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7959 (expand_call): Update caller.
7960 Avoid making a sibling call if argument size of the callee is larger
7961 than argument size of the caller.
7962 Call hard_function_value with outgoing set if in sibcall pass.
7963 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7965 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7966 Change LEAF_REGISTERS from an array initializer to actual array
7967 identifier. Move static global variable into the function.
7968 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7969 sequences for leaf functions.
7970 * global.c (global_alloc): Likewise.
7971 * tm.texi (LEAF_REGISTERS): Update documentation.
7973 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7974 TARGET_FLAT leaf disabling hack.
7975 (LEAF_REGISTERS): Changed from an array initializer to actual array
7976 identifier to avoid duplication and remove the above hack.
7977 (FUNCTION_OK_FOR_SIBCALL): Define.
7978 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7979 always like call attribute.
7980 (eligible_for_sibcall_delay): New attribute.
7981 (sibcall): New delay type.
7982 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7983 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7984 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7985 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7986 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7988 (output_function_epilogue): Move part of the code into
7989 output_restore_regs.
7990 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7992 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7995 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7996 until infrastructure is finished.
7998 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
8000 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
8001 (save_parm_insns): Not here.
8003 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8005 * builtins.c (expand_builtin_bzero): New function.
8006 (expand_builtin): Handle bzero.
8008 * builtins.def: Add BUILT_IN_BZERO.
8010 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8011 prototype & function for bzero.
8013 2000-03-23 Michael Meissner <meissner@redhat.com>
8015 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8016 change adding TARGET_FP to the TF floating point insns, except for
8017 trunctfsf2, which generates direct calls to truncdfsf2.
8019 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8021 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8022 try to protect against middle-end changes that break binary
8024 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8026 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8028 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8030 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8032 * calls.c (expand_call): If TARGET is passed by reference and
8033 is readonly, write a CLOBBER.
8035 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8037 * builtins.c (expand_builtin): Handle bcmp.
8039 * builtins.def: Add BUILT_IN_BCMP.
8041 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8042 prototype & function for bcmp.
8044 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8046 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8047 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8048 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8050 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8052 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8053 alternative when using -fp64 -gp32.
8055 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8057 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8058 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8059 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8061 * frame.h (frame_state): Revert last change.
8062 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8063 * libgcc2.c (throw_helper): Revert last change.
8065 2000-03-22 Richard Henderson <rth@cygnus.com>
8067 * stmt.c (expand_asm_operands): Don't promote the temporary.
8069 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8071 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8072 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8073 c_get_alias_set): Likewise.
8074 * c-decl.c (duplicate_decls): Likewise.
8075 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8076 * calls.c (initialize_argument_information): Likewise.
8077 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8079 * dwarfout.c (decl_class_context,output_type): Likewise.
8080 * expr.c (get_inner_reference): Likewise.
8081 * fold-const.c (simple_operand_p,fold): Likewise.
8082 * function.c (aggregate_value_p): Likewise.
8083 * stmt.c (expand_asm_operands): Likewise.
8084 * varasm.c (named_section): Likewise.
8086 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8088 Implement dwarf2 exception handling for the ARM.
8089 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8090 (DWARF_FRAME_RETURN_COLUMN): Define.
8091 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8092 REG_FRAME_RELATED_EXPR note.
8093 (emit_sfm): Likewise.
8094 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8095 * dwarf2out.c (reg_save): Handle saving a register to itself.
8096 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8097 * except.c (eh_regs): Don't use the static chain reg if it's
8099 * frame.h (frame_state): Add cfa_saved field.
8100 * frame.c (execute_cfa_insn): Set it.
8101 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8103 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8105 (instantiate_virtual_regs): Adjust.
8107 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8108 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8109 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8111 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8112 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8114 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8116 * builtins.def: New file.
8118 * Makefile.in (TREE_H): Depend on builtins.def.
8120 * builtins.c (built_in_names): Use builtins.def.
8122 * tree.h (built_in_function): Likewise.
8124 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8126 * tree.c (size_in_bytes): Return size_zero_node, not
8129 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8131 * config/fp-bit.c (pack_d): Correct the case when a denormal
8132 is rounded up and stops being denormal.
8134 2000-03-21 Richard Henderson <rth@cygnus.com>
8136 * config/alpha/alpha.c (function_arg): Check for void_type_node
8137 before using MUST_PASS_IN_STACK.
8139 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8141 * regmove.c (combine_stack_adjustments_for_block): Check that
8142 the stack pointer is a valid memory address.
8144 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8146 * calls.c: re-install Mar 16 emit_library_call merge.
8148 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8150 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8151 we cannot be sure that if reload_completed base register will
8152 be properly aligned.
8154 2000-03-21 Richard Henderson <rth@cygnus.com>
8156 * flow.c (delete_block): Fix typo last change.
8158 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8160 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8161 not COMPLETE_TYPE_P, to check the type of the expression.
8163 2000-03-21 Michael Meissner <meissner@redhat.com>
8165 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8166 all floating point insns that just tested the macro
8167 TARGET_HAS_XFLOATING_LIBS.
8168 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8169 used to only use the gprs.
8171 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8173 * tree.h (COMPLETE_TYPE_P): New macro.
8174 (COMPLETE_OR_VOID_TYPE_P): New macro.
8175 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8176 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8177 * c-aux-info.c (gen_type): Use them.
8178 * c-common.c (c_expand_expr_stmt): Likewise.
8179 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8180 grokdeclarator, grokparms, finish_struct, start_function,
8181 store_parm_decls, combine_parm_decls): Likewise.
8182 * c-parse.y (cast_expr): Likewise.
8183 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8184 c_size_in_bytes, c_alignof, build_component_ref,
8185 build_indirect_ref, build_array_ref, convert_arguments,
8186 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8187 * calls.c (initialize_argument_information): Likewise.
8188 * convert.c (convert_to_integer): Likewise.
8189 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8190 * dwarfout.c (location_or_const_value_attribute,
8191 output_enumeration_type_die, output_structure_type_die,
8192 output_union_type_die, output_type): Likewise.
8193 * expr.c (safe_from_p, expand_expr): Likewise.
8194 * function.c (assign_parms): Likewise.
8195 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8196 * tree.c (build_array_type, build_function_type,
8197 build_method_type, build_offset_type, build_complex_type): Likewise.
8198 * c-parse.c, c-parse.h: Regenerated.
8200 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8202 * config/c4x/rtems.h: Include config/rtems.h.
8204 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8206 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8207 decl is a FUNCTION_DECL
8209 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8211 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8212 function uses output registers. Don't save RP for leaf functions.
8213 Do save RP even if no epilogue.
8214 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8215 (CALL_USED_REGISTERS): Unmark in registers.
8216 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8219 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8221 * config/rs6000/rs6000.md (bunordered): New expander.
8222 (bordered): New expander.
8223 (buneq): New expander.
8224 (bunge): New expander.
8225 (bungt): New expander.
8226 (bunle): New expander.
8227 (bunlt): New expander.
8228 (bltgt): New expander.
8230 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8231 (ccr_bit_negated_p): New function.
8232 (print_operand): For %C, generate appropriate cror for UNEQ,
8233 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8235 2000-03-20 Andreas Jaeger <aj@suse.de>
8237 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8240 * tree.h (safe_for_unsave): Prototype.
8242 2000-03-20 Richard Henderson <rth@cygnus.com>
8244 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8245 (combine_stack_adjustments_for_block): Don't allow sp references
8246 in the side of a set we're not fixing up.
8247 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8248 after life_analysis.
8250 2000-03-20 Richard Henderson <rth@cygnus.com>
8252 * calls.c (expand_call): Don't bother generating tail call
8253 sequences if there are pending cleanups. Use
8254 expand_start_target_temps/expand_end_target_temps to elide
8255 cleanups created during sibcall expansion.
8257 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8259 * configure.in: Set $IFS to a value if it doesn't already have one
8260 in the --enable-checking handling.
8261 * configure: Regenerate.
8263 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8265 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8266 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8269 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8271 * jump.c (delete_noop_moves): Remove code attempting to
8272 combine stack adjustments.
8274 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8276 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8277 * except.c (emit_cleanup_handler): Use them.
8278 (expand_end_all_catch): Likewise.
8279 * function.c (fixup_var_refs): Likewise.
8280 (expand_function_end): Clear catch_clauses_last.
8281 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8282 * except.h (struct eh_status): New field x_catch_clauses_last.
8283 (catch_clauses_last): New define.
8285 * Makefile.in (tree.o): Depend on HASHTAB_H.
8286 * tree.c: Include hashtab.h.
8287 (struct type_hash): Remove next field.
8288 (TYPE_HASH_SIZE): Remove.
8289 (TYPE_HASH_INITIAL_SIZE): New define.
8290 (type_hash_table): Change type to htab_t.
8291 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8292 mark_hash_entry): New functions.
8293 (init_obstacks): Allocate type hash.
8294 (type_hash_lookup): Use htab functions.
8295 (type_hash_add, mark_type_hash): Likewise.
8296 (dump_tree_statistics): Call print_type_hash_statistics.
8298 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8300 * rs6000/t-aix41: New file.
8302 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8304 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8306 * tm.texi (Driver): Fix typos and tweak entry for
8308 Move misplaced STRUCT_FORCE_BLK entry ...
8309 (Storage Layout): ... to here.
8310 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8312 2000-03-19 Richard Henderson <rth@cygnus.com>
8314 * flow.c (delete_block): Delete the addr_vec along with the block.
8315 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8318 * fold-const.c (extract_muldiv): Apply type check for defined
8319 overflow to multiply as well as divide.
8321 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8323 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8325 * emit-rtl.c (remove_unncessary_notes): Check that all
8326 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8327 associated NOTE_BLOCK.
8328 * function.h (identify_blocks): Update comments.
8329 (reorder_blocks): Declare.
8330 * function.c (identify_blocks): Don't take paramters.
8331 (reorder_blocks): Don't take parameters.
8332 * loop.h (find_loop_tree_blocks): Remove.
8333 (unroll_block_trees): Likewise.
8334 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8335 reorder_blocks instead of unroll_block_trees.h
8336 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8337 * stmt.c (find_loop_tree_blocks): Remove.
8338 (unroll_block_trees): Likewise.
8339 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8340 in whole-function mode.
8341 * tree.h (reorder_blocks): Remove declaration.
8343 * expr.c: Include intl.h.
8344 * Makefile.in (expr.o): Depend on intl.h.
8346 2000-03-18 Richard Henderson <rth@cygnus.com>
8348 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8350 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8352 * tree.h (tree_index): Remove enumerals for integer types.
8353 (integer_type_kind): New type.
8354 (integer_types): New variable.
8355 (char_type_node): Adjust.
8356 (signed_char_type_node): Likewise.
8357 (unsigned_char_type_node): Likewise.
8358 (short_integer_type_node): Likewise.
8359 (short_unsigned_type_node): Likewise.
8360 (integer_type_node): Likewise.
8361 (unsigned_type_node): Likewise.
8362 (long_integer_type_node): Likewise.
8363 (long_unsigned_type_node): Likewise.
8364 (long_long_integer_type_node): Likewise.
8365 (long_long_unsigned_type_node): Likewise.
8366 * tree.c (integer_types): New variable.
8367 (init_obstacks): Register it as a root.
8369 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8371 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8372 NEXT_INSN. Update last insn in chain.
8374 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8376 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8377 with TYPE_DECL_SUPPRESS_DEBUG set.
8379 2000-03-18 Richard Henderson <rth@cygnus.com>
8381 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8383 2000-03-18 Richard Henderson <rth@cygnus.com>
8385 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8386 care for HALF_PIC_P.
8387 (expander_call_insn_operand): Remove.
8388 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8389 * i386.h (PREDICATE_CODES): Update.
8390 * i386.md (all call expanders): Remove predicates, remove special
8391 handling for half-pic.
8392 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8393 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8394 (sibcall_epilogue): New.
8396 2000-03-17 Richard Henderson <rth@cygnus.com>
8398 * rtlanal.c (single_set): Reject if the parallel has anything
8399 except SET or USE or CLOBBER.
8401 2000-03-17 Jeff Law <law@cygnus.com>
8402 Richard Henderson <rth@cygnus.com>
8404 * Makefile.in (OBJS): Add sibcall.o.
8406 * sibcall.c: New file.
8407 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8408 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8409 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8410 Emit sibcall patterns when requested. Update all callers.
8411 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8412 elimination seems feasable.
8413 * final.c (leaf_function_p): Sibling calls don't discount being
8415 * flow.c (HAVE_sibcall_epilogue): Provide default.
8416 (find_basic_blocks_1): Sibling calls don't throw.
8417 (make_edges): Make edge from sibling call to EXIT.
8418 (propagate_block): Don't remove sibcall_epilogue insns.
8419 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8420 (sibcall_epilogue): New.
8421 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8422 (identify_blocks_1): Likewise. Break out from ...
8423 (identify_blocks): ... here.
8424 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8425 (reorder_blocks): ... here.
8426 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8427 (record_insns): Extend a varray instead of mallocing new memory.
8428 (contains): Read a varray not array of ints.
8429 (sibcall_epilogue_contains): New.
8430 (thread_prologue_and_epilogue_insns): Emit and record
8431 sibcall_epilogue patterns.
8432 (init_function_once): Allocate prologue/epilogue varrays.
8433 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8434 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8436 (save_for_inline_nocopy): ... here.
8437 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8439 (expand_inline_function): ... here.
8440 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8441 (subst_constants): Handle 'n' formats.
8442 * jump.c (jump_optimize_minimal): New.
8443 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8444 optimizations if it's set.
8445 * rtl.c (copy_rtx): Do copy jump & call for insns.
8446 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8447 (SIBLING_CALL_P): New.
8448 (sibcall_use_t): New.
8449 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8450 Invoke optimize_sibling_and_tail_recursive_calls.
8451 * tree.c (lang_safe_for_unsave): New.
8452 (safe_for_unsave): New.
8453 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8455 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8456 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8457 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8459 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8461 * objc/objc-act.c (encode_method_prototype): Pass types, not
8462 PARM_DECLs, to int_size_in_bytes.
8464 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8466 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8468 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8469 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8471 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8473 * Clean up usages of TREE_INT_CST_LOW.
8474 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8475 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8477 * c-tree.h (min_precision): Move declaration to here.
8478 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8479 (build_unary_op, add_pending_init): Use bit_position.
8480 (pending_init_member, process_init_element): Likewise.
8481 (really_start_incremental_init, push_init_level, pop_init_level):
8482 Don't make copies of nodes or modify them in place, use consistent
8483 types when tracking positions, and use tree routines computations.
8484 (set_init_index, output_init_element): Likewise.
8485 (output_pending_init_elements, process_init_element): Likewise.
8486 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8487 tree_low_cst and int_bit_position; also minor cleanup.
8488 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8489 (print_cst_octal): Precision is unsigned.
8490 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8491 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8492 (simple_type_align_in_bits): Result is unsigned int.
8493 Use tree_int_low_cst and host_integerp.
8494 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8495 (field_byte_offset): Result is HOST_WIDE_INT.
8496 Change types of internal variables so alignments are unsigned int,
8497 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8498 Use host_integerp, tree_low_cst, and int_bit_position.
8499 (add_bit_offset_attribute): Likewise.
8500 (add_data_member_location_attribute): Use tree_cst_low.
8501 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8502 (add_bit_size_attribute): Use tree_low_cst.
8503 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8504 * dwarfout.c: Similar changes to dwarf2out.c.
8505 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8506 * genoutput.c (n_occurences): Return -1 for null string.
8507 (strip_whitespace): Accept null string and make into function.
8508 (scan_operands): Reflect above changes.
8509 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8510 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8511 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8512 * tree.c (int_size_in_bytes): Check for too big to represent.
8513 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8514 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8516 (min_precision): Delete from here.
8517 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8518 and int_bit_position.
8519 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8520 (encode_method_def): Likewise.
8521 (build_ivar_list_initializer): Use int_bit_position.
8522 (generate_shared_structures): Convert size.
8523 (encode_type, encode_complete_bitfield): Use integer_zerop.
8524 (encode_bitfield): Use tree_low_cst and int_bit_position.
8526 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8528 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8530 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8532 * call.c (special_function_p): It is only malloc if it returns
8535 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8537 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8538 (C33_FLAG, TARGET_C3X): Add macros.
8539 (TARGET_SWITCHES): Add -m33 option.
8540 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8542 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8544 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8545 (PARALLEL_PACK_FLAG): Delete.
8546 (TARGET_SWITCHES): Update.
8547 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8549 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8551 * fold-const.c (fold): Fix a few cases when the returned result
8552 is not of the same type as the input.
8554 2000-03-16 Nick Clifton <nickc@cygnus.com>
8556 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8559 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8561 * libgcc2.h: Move prototypes above macros with the same name.
8562 Wrap some function prototypes in the conditional which indicates
8563 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8565 2000-03-16 Richard Henderson <rth@cygnus.com>
8567 * calls.c: Revert last two changes.
8569 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8571 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8572 has exponent 0 is a zero.
8574 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8575 HASH may already be nonzero. Add code/mode into hash value
8576 immediately after repeat label.
8577 (cselib_lookup): Don't leave the hash table in an inconsistent
8578 state before a hash lookup operation.
8580 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8582 * i386.md (all HI and QI mode non-move patterns): Conditionize
8583 by TARGET_[HQ]IMODE_MATH.
8584 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8585 x86_promote_qi_regs): Declare.
8586 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8587 TARGET_PROMOTE_QI_REGS): New macros.
8588 (PROMOTE_MODE): New macro.
8589 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8590 x86_promote_qi_regs): New global variables.
8592 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8594 * calls.c (emit_library_call_value_1): Break out from ...; handle
8595 VOIDmode function calls too.
8596 (emit_library_call_value): ... here.
8597 (emit_library_call): Implement by calling emit_library_call_value_1.
8599 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8601 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8602 Update arg_space_so_far on stack adjustments.
8603 (emit_library_call, emit_library_call_value): Likewise; take into
8604 account arg_space_so_far and pending_stack_adjust when calculcating
8607 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8609 * flow.c: Move all basic block reordering code into its own file.
8610 (create_basic_block): Externalize.
8611 * bb-reorder.c: New file. Copy all basic block reordering code from
8612 flow.c to this file.
8613 (reorder_basic_blocks): Fix fencepost error in for-loop.
8614 (reorder_basic_blocks): Remove braces from single statement for-loops.
8615 * basic-block.h: Add declaration for create_basic_block.
8616 * Makefile.in: Add rules for bb-reorder.o.
8618 2000-03-16 Neil Booth <NeilB@earthling.net>
8620 * cppinit.c (handle_option): Implement #unassert directive
8621 as -A- command line option.
8622 (print_help): Update.
8623 * cpptexi.c: Update.
8625 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8627 * md.texi (Standard Names): Document `jump'.
8629 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8631 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8634 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8636 Merge changes from newppc-branch onto trunk.
8638 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8640 * rs6000.c (toc_hash_table): Update for new hash table functions.
8641 (toc_hash_function): Likewise.
8642 (toc_hash_eq): Likewise.
8643 (toc_hash_mark_entry): Likewise.
8644 (toc_hash_mark_table): Likewise.
8645 (output_toc): Likewise.
8646 (rs6000_add_gc_roots): Likewise.
8648 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8650 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8651 (AR_FLAGS_FOR_TARGET): here. New macro.
8653 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8655 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8656 fpmem_operand) Delete.
8658 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8659 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8660 (rs6000_save_machine_status, rs6000_restore_machine_status,
8661 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8662 references to above variables.
8663 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8664 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8665 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8666 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8667 (XER_REGNO_P, XER_REGNO): New.
8668 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8669 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8670 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8672 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8673 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8674 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8676 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8678 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8679 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8680 * rs6000.h: from here.
8682 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8683 (rs6000_select_rtx_section): Likewise.
8684 (rs6000_encode_section_info): Likewise.
8685 (sdata_section): Likewise.
8686 (sdata2_section): Likewise.
8687 (sbss_section): Likewise.
8688 * sysv4.h (rs6000_select_section): Delete prototype.
8689 (rs6000_select_rtx_section): Likewise.
8690 (rs6000_encode_section_info): Likewise.
8691 (sdata_section): Likewise.
8692 (sdata2_section): Likewise.
8693 (sbss_section): Likewise.
8694 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8696 * sysv4.h: Delete various unnecessary #undef's and put a comment
8697 on the remaining ones.
8698 Change various comments according to coding standard.
8700 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8702 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8703 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8704 (CR0_REGNO_P) Remove.
8705 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8706 setup_incoming_varargs, mtcrf_operation, print_operand,
8707 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8708 Use the above macros.
8710 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8712 * config/rs6000/rs6000.md: Added a new alternative for each
8713 pattern that had a 'x' alternative but no 'y' alternative.
8714 Added a new split for each of the above patterns.
8716 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8718 * aix41.h (ASM_CPU_SPEC): Delete.
8719 (CPP_CPU_SPEC): Delete.
8721 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8722 (ASM_OUTPUT_LABEL): Define.
8723 (ASM_GLOBALIZE_LABEL): Define.
8724 (STRIP_NAME_ENCODING): Define.
8725 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8726 (STRIP_NAME_ENCODING): Don't define.
8727 (ASM_OUTPUT_LABEL): Don't define.
8728 (ASM_GLOBALIZE_LABEL): Don't define.
8729 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8730 names, and ASM_OUTPUT_LABEL to output labels, rather than
8732 (ASM_OUTPUT_LABEL): Define.
8733 (ASM_OUTPUT_INT): Use assemble_name.
8734 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8735 (STRIP_NAME_ENCODING): Don't undefine first.
8736 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8738 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8739 specified with 'asm' even with -fleading-underscore.
8740 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8741 (output_epilog): Likewise.
8742 (output_toc): Likewise.
8743 * tramp.asm: Handle -fleading-underscore correctly.
8745 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8747 (nonlocal_goto_receiver): Delete.
8748 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8750 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8751 (SET_ASM_OP): Define.
8752 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8754 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8757 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8758 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8760 * rs6000.h: Add 'u' to more constants.
8762 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8764 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8766 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8768 * rs6000.c (reg_or_u_cint_operand): New function.
8769 (logical_operand): Handle 64-bit hosts.
8770 (logical_u_operand): New function.
8771 (non_logical_cint_operand): Handle 64-bit hosts.
8772 (non_logical_u_cint_operand): New function.
8773 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8774 (PREDICATE_CODES): Define new functions.
8775 * rs6000-protos.h: Declare new functions.
8776 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8777 (movdi_64): Bracket code intended for 64-bit hosts. Create
8778 CONST_DOUBLE for 32-bit values.
8779 (scc insns): Generate DImode compares.
8780 (mfcr insns): Create DImode versions.
8781 (sge matchers): New patterns.
8783 2000-02-15 Gabriel Paubert <paubert@iram.es>
8785 * rs6000.md: Correct instructions length attributes and
8786 constraints on unsigned compare instructions.
8787 (*ne0): Disable for PowerPC64.
8789 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8791 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8792 quantity, fix profile1.C test failure under -fPIC.
8794 * rs6000.c: Add 'u' to many constants to suppress warnings.
8795 (constant_pool_expr_1): Make static.
8796 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8797 * rs6000.h: Add 'u' to many constants to suppress warnings.
8799 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8800 for the start of the TOC, instead of LCTOC..0.
8801 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8803 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8804 (load_toc_aix_di): Use LCTOC..1.
8806 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8807 * rs6000.c (rs6000_legitimize_address): New function from
8808 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8809 symbols in the constant pool that really are TOC references.
8810 (print_operand_address): For ELF, write TOC offsets under
8811 -fPIC as subtractions in the insn.
8812 (output_toc): For ELF, define symbols in TOC as normal labels,
8814 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8815 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8816 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8817 * rs6000.md (movsi): Only use create_TOC_reference on
8818 symbols in the constant pool that really are TOC references.
8820 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8821 * rs6000.c (rs6000_reorg): Delete.
8822 * rs6000-protos.h (rs6000_reorg): Delete.
8824 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8826 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8828 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8829 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8830 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8831 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8832 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8833 rs6000_aix_emit_builtin_unwind_init.
8834 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8835 rs6000_emit_eh_toc_restore on AIX.
8836 (return_eh_si): Use r2.
8837 (return_eh_di): Use r2.
8839 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8840 since we're breaking binary compatibility anyway.
8842 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8844 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8845 constant_pool_expr_p): Declare them.
8846 (constant_pool_expr_p): Declare it.
8847 * config/rs6000/rs6000.c (toc_label_name): Define.
8848 (rs6000_override_options): Set toc_label_name.
8849 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8850 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8851 uses_TOC): New functions.
8852 (print_operand): Delete old '*' case.
8853 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8854 and strip off rtl for TOC before calling output_addr_const.
8855 (rs6000_emit_load_toc_table): Use toc_label_name.
8856 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8858 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8859 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8860 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8861 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8862 into explicit TOC_REGISTER offsets.
8863 (TOC_REGISTER): New macro.
8864 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8865 TARGET_TOC to reference TOC_REGISTER.
8866 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8867 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8868 uses_TOC before emitting label references.
8870 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8872 * rs6000.md (stack_tie): Fix warning.
8874 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8875 to handle -fleading-underscore.
8876 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8877 (USER_LABEL_PREFIX): New macro.
8878 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8879 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8880 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8881 call-linux can use the same multilibs.
8882 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8883 and call-linux multilibs. Do multilib with -fleading-underscore.
8884 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8885 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8888 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8889 have MASK_SOFT_FLOAT set.
8890 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8891 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8892 CPP_FLOAT_DEFAULT_SPEC.
8894 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8895 * rs6000.md: Whitespace change.
8896 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8897 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8899 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8901 * rs6000.md (eh_epilogue): New expander.
8902 (eh_reg_restore): New expand/split/insn combination.
8903 (return_eh_si): New insn.
8904 (return_eh_di): New insn.
8906 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8907 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8908 * eabi-ctors.c (__do_global_ctors): Register this object's
8909 frame. Clean up. Call atexit() after the constructors.
8910 (__do_global_dtors): Deregister this object's frame. Clean up.
8911 Allow for recursive calls to exit().
8912 * rs6000.c (fixuplabelno): New variable.
8913 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8914 TARGET_RELOCATABLE, it slows down exec() under linux.
8915 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8917 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8918 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8919 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8920 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8921 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8922 (ASM_OUTPUT_DWARF_ADDR): New macro.
8923 (ASM_OUTPUT_DWARF_DATA4): New macro.
8924 (ASM_OUTPUT_DWARF_DATA2): New macro.
8925 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8926 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8927 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8929 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8931 * rs6000.c (rs6000_sr_alias_set): New variable.
8932 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8933 (rs6000_emit_stack_tie): New function.
8934 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8935 in a way that dwarf2out can understand.
8936 (rs6000_frame_related): New function.
8937 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8938 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8939 Use rs6000_emit_stack_tie when needed.
8940 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8941 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8942 * rs6000.md (stack_tie): New insn.
8943 (return_internal_si): Allow return value to be in the count
8945 (return_internal_di): Likewise.
8947 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8949 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8951 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8953 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8955 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8957 * rs6000.md (stmw): Use the right POWER opcode.
8960 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8962 * rs6000-protos.h: New file.
8964 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8966 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8969 * sysv4.h: Likewise.
8971 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8973 * ../../configure.in: Delete powerpcle-*-winnt*
8974 and powerpcle-*-pe|powerpcle-*-cygwin*.
8975 * ../../configure: Regenerated.
8977 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8978 (TARGET_WINDOWS_NT): Delete.
8980 (CALL_NT_DLLIMPORT): Delete.
8981 Delete NT-specific code.
8982 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8985 * nt-ci.asm: Delete.
8986 * nt-cn.asm: Delete.
8987 * ntstack.asm: Delete.
8989 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8991 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8992 (ASM_FILE_START): Likewise.
8993 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8994 (ASM_OUTPUT_LABELREF): Likewise.
8995 (ASM_OUTPUT_SKIP): Likewise.
8996 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8997 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8998 (ASM_OUTPUT_CASE_LABEL): Likewise.
8999 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9000 (ASM_OUTPUT_ASCII): Likewise.
9002 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
9004 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
9005 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9006 increment rs6000_pic_labelno here.
9007 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9008 and increment rs6000_pic_labelno here.
9010 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9012 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9013 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9014 allocation knows (reg) is dead before the insn.
9016 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9018 * rs6000.md (movsi_to_cr): Correct typo in output template.
9020 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9022 * rs6000.c (rs6000_pic_labelno): Always define.
9023 (rs6000_pic_func_labelno): Delete.
9024 (lmw_operation): Check for a zero base register,
9025 which doesn't mean what we want.
9026 (stmw_operation): New function.
9027 (print_operand): Define new 'l' modifier.
9028 (rs6000_stack_info): We must save all 64 bits of the registers
9029 if TARGET_POWERPC64.
9030 (rs6000_output_load_toc_table): Delete.
9031 (rs6000_emit_load_toc_table): New function.
9032 (rs6000_allocate_stack_space): Delete.
9033 (rs6000_emit_allocate_stack): New function.
9034 (rs6000_emit_prologue): New function.
9035 (output_prolog): Use rs6000_emit_prologue.
9036 (rs6000_emit_epilogue): Change a few variable names to be
9037 more accurate. Restore all 64 bits of the registers if
9038 TARGET_POWERPC64. Only restore the FP registers which were used
9039 if they are being saved/restored one-at-a-time.
9040 (output_mi_thunk): Delete inefficient code generation.
9041 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9042 * rs6000.h: Declare rs6000_emit_load_toc_table,
9043 rs6000_allocate_stack_space, stmw_operation. Don't declare
9044 rs6000_output_load_toc_table.
9045 * rs6000.md (elf_high): Allow register 0, but discourage it
9047 (elf_low): Support loading into register 0.
9048 (load_toc_aix_si): New pattern.
9049 (load_toc_aix_di): New pattern.
9050 (load_toc_v4_pic_si): New pattern.
9051 (load_toc_v4_pic_di): New pattern.
9052 (load_toc_v4_PIC_1): New pattern.
9053 (load_toc_v4_PIC_1b): New pattern.
9054 (load_toc_v4_PIC_2): New pattern.
9055 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9056 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9057 (prologue): New expander.
9058 (movesi_from_cr): New pattern.
9059 (stmw): New pattern.
9060 (save_fpregs_si): New pattern.
9061 (save_fpregs_di): New pattern.
9063 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9065 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9070 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9072 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9074 (movsi_got_internal): Likewise.
9075 (movsi_got_internal+1): Likewise.
9076 (set_sp): 'unspec 7' does a SImode clobber.
9078 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9080 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9081 allocate a stack temporary.
9082 (floatsidf2_internal): Likewise.
9083 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9085 (floatunssidf2): Don't use the fpmem "register", just
9086 allocate a stack temporary.
9087 (floatunssidf2_internal): Likewise.
9088 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9090 (floatsidf2_loadaddr): Delete.
9091 (floatsidf2_store1): Delete.
9092 (floatsidf2_store2): Delete.
9093 (floatsidf2_load): Delete.
9094 (fix_truncdfsi2): Don't use the fpmem "register", just
9095 allocate a stack temporary.
9096 (fix_truncdfsi2_internal_si): Delete.
9097 (fix_truncdfsi2_internal_di): Delete.
9098 (fix_truncdfsi2_internal): New insn.
9099 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9100 (fix_truncdfsi2_store): Delete.
9101 (fix_truncdfsi2_load): Delete.
9102 (fctiwz): Produce gen_fctiwz.
9104 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9106 * eabi.h (INVOKE__main): Define.
9107 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9109 (rs6000_emit_prologue): Likewise.
9110 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9111 this is the main program.
9113 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9115 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9117 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9119 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9120 goes after the argument.
9122 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9124 * rs6000.md: Document 'unspec' values used.
9125 (epilogue): New expander.
9126 (movesi_to_cr_one): New expander.
9127 (movesi_to_cr and following): New pattern.
9129 (return_internal_si): New pattern.
9130 (return_internal_di): New pattern.
9131 (return_and_restore_fpregs_si): New pattern.
9132 (return_and_restore_fpregs_di): New pattern.
9133 * rs6000.h: Declare new functions.
9134 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9135 rather than rs6000_calls_p.
9136 (rs6000_makes_calls): Delete.
9137 (lmw_operation): New function.
9138 (mtcrf_operation): New function.
9139 (rs6000_emit_epilogue): New function.
9140 (output_epilog): Call rs6000_emit_epilogue and final if
9141 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9143 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9145 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9146 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9147 * aix.h (SUBTARGET_SWITCHES): Document switches.
9148 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9149 sched-prolog and sched-epilog the same. Document all the
9151 (TARGET_OPTIONS): No longer allow -mdebug-.
9153 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9155 * rs6000.h (ASM_FILE_END): Move to aix.h.
9156 (EXTRA_SECTIONS): Move to aix.h.
9157 (READONLY_DATA_SECTION): Move to aix.h.
9158 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9159 (SELECT_SECTION): Move to aix.h.
9160 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9161 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9162 (LINK_REGISTER_REGNUM): New definition.
9163 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9164 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9166 * sysv4.h: Delete the code between the inclusion of rs6000.h
9168 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9169 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9170 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9171 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9172 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9173 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9174 (fix_truncdfsi2_internal_di): New pattern.
9175 (fix_truncdfsi2_store): The second arg here is Pmode too.
9176 (fix_truncdfsi2_load): The second arg here is Pmode too.
9177 (tablejumpdi): Now that switch tables hold only SImode values,
9178 gcc needs to know how to add them to the pc which is DImode.
9179 * rs6000.c (rs6000_stack_info): Use symbolic name for
9180 LINK_REGISTER_REGNUM.
9181 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9182 (output_toc): Delete unused variables s1 and s2.
9183 (output_ascii): Use fputs not fprintf on a variable string.
9185 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9187 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9188 * aix43.h: Revert Aug 2 change.
9189 (HAS_INIT_SECTION): Define, not visible yet.
9190 (LD_INIT_SWITCH): Define, not visible yet.
9191 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9193 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9195 * config/rs6000/rtems.h: Include config/rtems.h.
9197 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9199 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9200 (SLOW_UNALIGNED_ACCESS): Define.
9201 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9202 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9203 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9204 (toc_section): Likewise and .toc pseudo-op.
9205 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9207 (TEXT_SECTION_ASM_OP): Likewise.
9208 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9211 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9213 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9214 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9217 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9219 * rs6000.h: Move more stuff from here...
9221 * sysv4.h: Cleanup accordingly.
9222 * netware.h: Likewise
9224 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9226 * rs6000.h: Continue cleanup.
9229 * netware.h: Likewise.
9231 * sysv4.h: Likewise.
9232 * win-nt.h: Likewise.
9234 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9235 (TARGET_OPTIONS): Likewise.
9237 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9238 (SUBTARGET_OPTIONS): Likewise.
9240 * rs6000.md: Fix compile time warnings.
9242 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9244 vxworks patches from the Cygnus tree originally by
9245 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9246 <vmakarov@cygnus.com>.
9247 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9248 (ENDFILE_SPEC): Likewise.
9249 (LIB_VXWORKS_SPEC): New macro.
9250 (STARTFILE_VXWORKS_SPEC): New macro.
9251 (ENDFILE_VXWORKS_SPEC): New macro.
9252 (LINK_START_VXWORKS_SPEC): New macro.
9253 (LINK_OS_VXWORKS_SPEC): New macro.
9254 (CPP_OS_VXWORKS_SPEC): New macro.
9255 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9256 * vxppc.h: Rewrite to use proper configuration method.
9257 * vxppcle.h: New file.
9258 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9259 * ../../configure: Rebuilt.
9261 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9263 Lots of changes to rs6000.h, sysv4.h, aix.h,
9264 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9265 with the aim that rs6000.h is the first header
9266 included and the others override it.
9269 * x-aix41-gld: Remove.
9271 * x-aix41: Remove target-specific switches, and don't specify
9272 -Wl,-bbigtoc as we don't need it any more.
9273 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9274 Use t-aix43 for AIX 4.3 and above.
9275 * ../../configure: Regenerated.
9277 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9278 options, that don't do anything yet.
9279 (MASK_SCHED_PROLOG): New macro.
9280 (MASK_SCHED_EPILOG): New macro.
9281 (TARGET_SCHED_PROLOG): New macro.
9282 (TARGET_SCHED_EPILOG): New macro.
9284 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9286 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9287 one per translation unit, not one per function.
9288 (output_toc): Also do duplicate constant elimination
9289 for per-translation-unit TOCs.
9291 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9292 a comment explaining _exactly_ when this pattern gets used.
9293 (builtin_setjmp_receiver): New pattern for better clarity.
9294 (init_v4_pic): Move it into a section dealing with TOC registers.
9296 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9298 * rs6000.c (toc_hash_table): New variable.
9299 (rs6000_hash_constant): New function.
9300 (toc_hash_function): New function.
9301 (toc_hash_eq): New function.
9302 (toc_hash_mark_entry): New function.
9303 (toc_hash_mark_table): New function.
9304 (output_toc): Don't output duplicate TOC entries in
9306 (rs6000_add_gc_roots): Add the hash table as a GC root.
9307 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9308 where they clearly shouldn't be. This may need to be fixed
9309 later when there is a GNU ar for AIX.
9310 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9311 Don't define BOOT_LDFLAGS as it is now not necessary.
9313 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9315 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9316 for va_list on AIX. Use unsigned_char_type_node rather than
9317 constructing our own version on svr4.
9319 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9321 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9322 since patently it's not.
9324 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9326 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9327 define_expand/define_insn pair, and handle restore of the
9328 SVR4 -fpic register.
9330 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9332 * acconfig.h (HAVE_GAS_WEAK): New define.
9333 * configure.in (assembler weak support): Check for .weak support.
9334 * config.in, configure: Rebuilt.
9335 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9336 HAVE_GAS_WEAK is defined.
9338 2000-03-15 Nick Clifton <nickc@cygnus.com>
9340 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9343 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9345 * cppfiles.c (open_include_file): New function.
9346 (find_include_file, cpp_read_file): Use it.
9348 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9350 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9352 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9354 * flow.c (verify_flow_info): Check for unconditional return.
9356 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9358 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9359 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9360 (__ia64_restore_stack_nonlocal): New.
9361 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9363 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9365 * cpphash.c (collect_formal_parameters): Do not complain about
9366 parameter names that just start with `__VA_ARGS__'.
9368 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9370 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9371 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9372 * i386.c (pentiumpro_cost): Set mul cost to 4.
9373 (x86_use_movx): Set for PPro.
9375 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9377 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9378 STACK_BOUNDARY for empty frames now.
9380 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9382 * stor-layout.c (layout_union): Remove.
9383 (layout_union_field): New function, split out from layout_union.
9384 (finish_union_layout): Likewise.
9385 (layout_field): Handle unions by calling layout_union_field.
9386 (finish_record_layout): Handle unions.
9387 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9388 QUAL_UNION_TYPE handling.
9390 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9392 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9393 end of basic block is jump_insn, not barrier; use create_basic_block
9394 instead of creating basic block by hand.
9396 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9398 * flow.c (reorder_basic_blocks): Account for barriers when writing
9399 over NEXT_INSN (last_bb->end).
9400 (verify_flow_info): Add check for missing barriers.
9402 2000-03-14 Greg McGary <gkm@gnu.org>
9404 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9405 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9406 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9407 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9408 __unbounded, __unbounded__): New keywords.
9409 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9410 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9411 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9413 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9415 * cselib.h: New file.
9416 * alias.c: Include "cselib.h".
9417 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9418 MEMs as two new arguments.
9419 (get_addr): New static function.
9420 (find_base_term): Handle VALUEs.
9421 (memrefs_conflict_p): Likewise.
9422 (true_dependence): Call get_addr on the addresses.
9423 Call fixed_scalar_and_varying_struct_p with addresses that have been
9424 passed through get_addr and canon_rtx.
9425 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9426 with true_dependence.
9427 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9428 * loop.c: Include "cselib.h".
9429 (load_mems): Process extended basic block that enters the loop with
9430 cselib. Use that information to change initialization of the shadow
9431 register so that a constant equivalence is seen by later passes.
9432 * reload1.c: Include "cselib.h".
9433 (reload_cse_invalidate_regno): Delete function.
9434 (reload_cse_mem_conflict_p): Likewise.
9435 (reload_cse_invalidate_mem): Likewise.
9436 (reload_cse_invalidate_rtx): Likewise.
9437 (reload_cse_regno_equal_p): Likewise.
9438 (reload_cse_check_clobber): Likewise.
9439 (reload_cse_record_set): Likewise.
9440 (reg_values): Delete static variable.
9441 (invalidate_regno_rtx): Likewise.
9442 (reload_cse_delete_noop_set): New static function.
9443 (reload_cse_simplify): New static function, broken out of
9445 (reload_cse_noop_set_p): Delete unused argument INSN.
9446 Just call rtx_equal_for_cselib_p on set source and destination.
9447 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9448 reload_cse_delete_noop_set. Delete code to keep track of values; use
9449 cselib functions instead. Delete code to push/pop obstacks.
9450 (reload_cse_simplify_set): Use cselib to find equivalent values.
9451 Delete code to push/pop obstacks.
9452 (reload_cse_simplify_operands): Likewise.
9453 * rtl.def (VALUE): New rtx code.
9454 * rtl.h (union rtunion_def): New elt rt_cselib.
9455 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9456 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9457 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9458 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9459 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9460 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9461 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9462 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9463 cselib_record_set, cselib_record_sets): New static functions.
9464 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9465 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9466 references_value_p): New functions.
9467 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9468 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9469 n_useless_values, reg_values, callmem, cselib_obstack,
9470 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9471 New static variables.
9472 * varray.h (union varray_data_tag): New elt te.
9473 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9474 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9477 2000-03-14 Nick Clifton <nickc@cygnus.com>
9479 * gcc.c (do_spec_1): Catch the case where %* is used in a
9480 substitution pattern, but it has not been initialised.
9481 Issue a meaningful error message if an unrecognised operator
9482 is encountered in a spec string.
9484 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9486 * function.c (prepare_function_start): Correctly initialize
9487 cfun->stack_alignment_needed.
9489 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9491 * cppfiles.c (find_include_file): Don't assume nshort is a
9494 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9496 * configure.in (hppa configurations): Add pa32-regs.h to the
9497 list of tm files as appropriate.
9498 * configure: Rebuilt.
9499 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9501 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9502 (fmpyaddoperands, fmpysuboperands): Likewise.
9503 * pa.h: Remove various definitions which depend on knowing
9504 how registers are numbered.
9505 * pa32-regs.h: New file with PA32 register numbering specific
9508 2000-03-14 Richard Henderson <rth@cygnus.com>
9510 * regmove.c (combine_stack_adjustments): New.
9511 (stack_memref_p, single_set_for_csa): New.
9512 (free_csa_memlist, record_one_stack_memref): New.
9513 (try_apply_stack_adjustment): New.
9514 (combine_stack_adjustments_for_block): New.
9515 * rtl.h (combine_stack_adjustments): Declare.
9516 * toplev.c (rest_of_compilation): Call it.
9518 * i386.md: Revert 2000-01-16 change.
9520 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9522 * gccbug.in: Add web category, gcc specific classes.
9524 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9526 * stor-layout.c (finalize_record_size): Fix typo.
9528 2000-03-14 Stan Shebs <shebs@apple.com>
9530 * c-typeck.c (c_alignof): Error on incomplete types.
9531 * extend.texi (Alignment): Document this.
9533 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9535 * cppfiles.c: Include mkdeps.h.
9536 (find_include_file, read_include_file): Remove _cpp_ prefix
9537 from name, make static.
9538 (_cpp_execute_include): New function, broken out of
9541 * cpplib.c: Don't include mkdeps.h.
9542 (struct directive): Remove type field. Reorder entries. The
9543 function takes only one argument.
9544 (struct if_stack): Make type field an int.
9545 (directive_table): Rename to dtable. Generate it, the
9546 prototypes of the directive handlers, and the enum for the
9547 directive numbers, from a template macro.
9548 (do_ifndef, do_include_next, do_import): New functions.
9549 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9550 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9551 do_ident, do_assert, do_unassert, do_sccs): Take only one
9553 (do_sccs): Define always, but alter behavior based on
9555 (_cpp_handle_directive, consider_directive_while_skipping):
9556 Restructure for new directive table layout.
9558 (pass_thru_directive): Take a directive number, not a pointer
9559 to a struct directive.
9560 (parse_include): New function, broken out of do_include.
9561 (do_include, do_import, do_include_next): Use parse_include
9562 and _cpp_execute_include.
9563 (do_elif, do_else): Test for T_ELSE specifically when checking
9564 for #elif/#else after #else.
9565 (parse_ifdef): New function, broken out of do_ifdef.
9566 (validate_else): Expect a name arg without a leading #.
9567 (if_directive_name): Delete.
9568 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9569 directive handlers with only one argument.
9571 * cpphash.h: Update prototypes.
9572 (enum node_type): Remove entries for directives.
9573 * Makefile.in: Update dependencies.
9575 * cpphash.c (dump_hash_helper): Only dump nodes of type
9576 T_MACRO. Emit a newline after each definition.
9578 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9580 * gccbug.in: New file.
9581 * configure.in (all_outputs): Add gccbug.
9582 * Makefile.in (install-common): Install gccbug.
9583 (GCCBUG_INSTALL_NAME): New variable.
9584 * configure: Rebuilt.
9586 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9588 * function.c (put_var_into_stack): Use type_for_mode to calculate
9589 part_type. Use MEM_SET_IN_STRUCT_P.
9590 * expr.c (store_field): Handle CONCAT.
9591 (store_constructor): Use fields_length.
9592 * tree.c (fields_length): New fn.
9593 * tree.h: Declare it.
9595 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9597 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9598 (cpplex.o): New target.
9599 * po/POTFILES.in: Add cpplex.c.
9601 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9602 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9603 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9604 skip_block_comment, skip_line_comment, skip_comment,
9605 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9606 _cpp_parse_name, skip_string, parse_string,
9607 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9608 _cpp_get_directive_token, find_position,
9609 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9610 (maybe_macroexpand, _cpp_lex_token): New functions.
9612 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9613 parse_goto_mark): Delete.
9614 (_cpp_handle_eof): New function.
9615 (_cpp_handle_directive): Rename from handle_directive.
9616 (_cpp_output_line_command): Rename from output_line_command.
9617 (do_if, do_elif): Call _cpp_parse_expr directly.
9618 * cppfiles.c (_cpp_read_include_file): Don't call
9619 init_input_buffer here.
9620 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9621 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9622 here; pop the token_buffer and skip the rest of the line here.
9623 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9626 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9628 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9629 CPP_GOTO_MARK): New macros.
9630 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9631 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9632 _cpp_read_and_prescan, _cpp_init_input_buffer,
9633 _cpp_grow_token_buffer, _cpp_get_directive_token,
9634 _cpp_handle_directive, _cpp_handle_eof,
9635 _cpp_output_line_command): Prototype them here.
9636 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9637 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9638 quote_string, output_line_command): Remove.
9640 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9642 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9643 whether it is too large we must also verify that it isn't negative.
9645 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9647 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9648 (movsi_zero_liveg0): Remove.
9649 (movsf_insn_novis_liveg0): Remove.
9651 (negsi2_not_liveg0): Rename to negsi2.
9652 (one_cmplsi2): Remove.
9653 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9654 (one_cmplsi2_liveg0): Remove.
9655 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9656 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9657 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9658 (PREDICATE_CODES): Remove zero_operand.
9659 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9660 TARGET_BROKEN_SAVERESTORE.
9661 (zero_operand): Remove.
9662 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9663 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9665 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9666 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9667 TARGET_BROKEN_SAVERESTORE): Remove.
9668 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9670 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9672 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9675 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9677 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9679 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9680 truncating a string. Don't assume tokens are nul terminated.
9681 Problem noted by Andreas Jaeger <aj@suse.de>
9683 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9685 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9686 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9687 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9689 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9691 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9692 STRUCTURE_SIZE_BOUNDARY.
9694 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9696 * tree.h (record_layout_info_s): New structure.
9697 (record_layout_info): New type.
9698 (new_record_layout_info): New function.
9699 (layout_field): Likewise.
9700 (finish_record_layout): Likewise.
9701 * stor-layout.c (layout_record): Remove.
9702 (new_record_layout_info): New function.
9703 (layout_field): New function, broken out from layout_record.
9704 (finalize_record_size): Likewise.
9705 (compute_record_mode): Likewise.
9706 (finalize_type_size): New function, broken out from layout_type.
9707 (finish_record_layout): Likewise.
9708 (layout_type): Use them.
9710 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9712 * cpphash.c: Don't include version.h.
9713 (special_symbol) [case T_VERSION]: Look for the string in
9714 hp->value.cpval; don't use version_string.
9715 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9716 __VERSION__ to version_string.
9717 * Makefile.in (cpphash.o): Update deps.
9719 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9721 Convert cpplib to use libiberty/hashtab.c.
9723 * cpplib.h (struct cpp_reader): Make hashtab and
9724 all_include_files of type 'struct htab *'. Delete HASHSIZE
9725 and ALL_INCLUDE_HASHSIZE macros.
9727 * cpphash.h: Update prototypes.
9728 (struct hashnode): Remove next, prev, and bucket_hdr members.
9729 Make length a size_t. Add hash member.
9730 (struct ihash): Remove next member. Add hash member. Make
9731 name a flexible array member.
9733 * cppfiles.c: Include hashtab.h.
9734 (include_hash): Delete.
9735 (IHASHSIZE): New macro.
9736 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9737 (cpp_included): Do the hash lookup here.
9738 (_cpp_find_include_file): Rewrite.
9739 (cpp_read_file): Put the "fake" hash entry into the hash
9740 table. Honor the control_macro, if it turns out we've seen
9741 the file before. Don't push the buffer here.
9742 (_cpp_read_include_file): Push the buffer here.
9743 (OMODES): New macro. Use it whenever we call open(2).
9745 * cpphash.c: Include hashtab.h.
9746 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9747 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9748 _cpp_lookup_slot): New functions.
9749 (HASHSIZE): new macro.
9750 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9751 (_cpp_lookup): Use hashtab.h routines.
9753 * cppinit.c: Include hashtab.h.
9754 (cpp_reader_init): Call _cpp_init_macro_hash and
9755 _cpp_init_include_hash. Don't allocate hashtab directly.
9756 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9757 pfile->all_include_files.
9758 (initialize_builtins): Use _cpp_make_hashnode and
9759 htab_find_slot to add hash entries.
9760 (cpp_finish): Just call _cpp_dump_macro_hash.
9761 * cpplib.c: Include hashtab.h.
9762 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9763 create hash entries.
9764 (do_pragma_poison, do_assert): Likewise.
9765 (do_include): Don't push the buffer here. Don't increment
9766 system_include_depth unless _cpp_read_include_file succeeds.
9767 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9769 (do_pragma_implementation): Use alloca to create copy.
9771 * Makefile.in: Update dependencies.
9773 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9775 * cppinit.c (cl_directive_handler): More K&R fixing.
9777 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9779 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9781 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9783 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9785 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9786 Change from char[] to macros.
9788 2000-03-12 Neil Booth <NeilB@earthling.net>
9790 * cppinit.c (cpp_start_read): Update indirect function
9793 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9795 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9798 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9799 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9801 2000-03-11 Neil Booth <NeilB@earthling.net>
9803 * cppinit.c (struct pending option): Replace undef with a
9804 pointer to a directive handling routine.
9805 (struct cpp_pending): Replace separate assert_ and define_
9806 lists with one directive_ list.
9807 (new_pending_define): Rename new_pending_directive. Extra
9808 argument is the directive's handling routine.
9809 (handle_option): Update to use new_pending_directive.
9811 2000-03-11 Neil Booth <NeilB@earthling.net>
9813 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9814 remap_filename, _cpp_read_include_file, actual_directory,
9815 hack_vms_include_specification): Replace bcopy(), index() etc
9816 calls. Add casts to some allocations. Make some variables
9817 pointers to const [unsigned] char.
9818 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9819 collect_formal_parameters): Similarly.
9820 * cppinit.c (struct pending_option, append_include_chain,
9821 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9822 cpp_start_read, new_pending_define, handle_option): Similarly.
9823 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9824 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9825 do_pragma_implementation, detect_if_not_defined,
9826 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9827 do_assert, do_unassert): Similarly.
9828 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9829 function prototypes.
9830 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9832 2000-03-10 Richard Henderson <rth@cygnus.com>
9834 * builtins.c (expand_builtin_strlen): Revert last change.
9835 Use emit_insn_before if we're at the beginning of a sequence.
9837 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9839 * builtins.c (expand_builtin_strlen): Make sure that we have something
9840 at the beginning of the sequence.
9842 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9845 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9847 2000-03-10 Richard Henderson <rth@cygnus.com>
9849 * except.c (can_throw): Use INTVAL on a CONST_INT.
9850 (reachable_handlers): Likewise.
9851 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9853 2000-03-10 Andreas Jaeger <aj@suse.de>
9855 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9856 MD_STARTFILE_PREFIX since those are not needed on linux.
9857 (ASM_FILE_START): New, from mips/gnu.h.
9859 2000-03-09 Richard Henderson <rth@cygnus.com>
9860 Alex Samuel <samuel@codesourcery.com> and others
9862 * Makefile.in (ssa.o): New rule.
9864 (STAGESTUFF): Add *.ssa and *.ussa.
9865 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9866 * rtl.def (PHI): New RTL expression.
9867 * rtl.h (clear_log_links): New declaration.
9868 (convert_to_ssa): Likewise.
9869 (convert_from_ssa): Likewise.
9870 * flow.c (split_edge): If the entry node falls through to the
9871 split edge's source block, split the entry edge.
9872 (clear_log_links): New function.
9873 * toplev.c (ssa_dump): New variable.
9874 (flag_ssa): Likewise.
9875 (f_options): Add "ssa".
9876 (compile_file): Create SSA dump files.
9877 (rest_of_compilation): Go to and from SSA if enabled.
9878 (decide_d_option): Handle -de for SSA dump files.
9881 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9883 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9886 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9888 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9890 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9892 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9893 (MD_STARTFILE_PREFIX_1): New macro.
9895 2000-03-09 Robert Lipe <robertl@sco.com>
9897 * config/ia64/ia64.c: Include system.h.
9899 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9901 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9902 (init_eh_nesting_info): Likewise.
9904 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9905 (TREE_NOTHROW): Rename from TREE_RAISES.
9906 * toplev.c (rest_of_compilation): Set it.
9907 * print-tree.c (print_node): Adjust.
9908 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9909 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9910 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9911 REG_EH_REGION note as appropriate.
9912 (libfunc_nothrow): New fn.
9913 (emit_library_call, emit_library_call_value): Use it.
9914 (expand_call): Check TREE_NOTHROW.
9916 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9917 DECL_ASSEMBLER_NAME.
9919 2000-03-09 Andreas Jaeger <aj@suse.de>
9921 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9922 (TARGET_MEM_FUNCTIONS): Define.
9924 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9926 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9928 * except.c (can_throw): See through a SEQUENCE.
9929 (nothrow_function_p): New fn.
9930 * except.h: Declare it.
9931 * function.c (current_function_nothrow): New var.
9932 (prepare_function_start): Initialize it.
9933 * output.h: Declare it.
9934 * toplev.c (rest_of_compilation): Set it.
9935 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9937 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9939 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9940 match. (cpp_compare_defs): Count the nul separator when
9941 advancing over argument names.
9943 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9945 * recog.c (preprocess_constraints): Matching constraints affect
9946 same alternative/different operand, not same operand/different
9949 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9950 register and a constant specially.
9952 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9954 * libgcc2.h: New file.
9955 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9957 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9959 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9960 * configure: Regenerate.
9963 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9965 * Makefile.in (LIBCPP_DEPS): New macro.
9966 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9968 * cpperror.c: Include cpphash.h.
9969 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9971 (lex): Don't use CPP_WARN_UNDEF.
9972 (_cpp_parse_expr): Return an int, the truth value.
9973 * cppfiles.c: Include cpphash.h.
9974 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9975 * cppinit.c (include_defaults_array): Disentangle.
9976 (cpp_cleanup): Don't free the if stack here.
9977 (cpp_finish): Pop off all buffers, not just one.
9978 * cpplib.c (eval_if_expr): Return int.
9979 (do_xifdef): Rename do_ifdef.
9980 (handle_directive): Don't use CPP_PREPROCESSED.
9981 (cpp_get_token): Don't use CPP_C89.
9982 * fix-header.c: Don't use CPP_OPTIONS.
9984 * cpplib.h: Move U_CHAR, enum node_type, struct
9985 file_name_list, struct ihash, is_idchar, is_idstart,
9986 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9987 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9988 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9989 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9990 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9991 of _cpp_simplify_pathname, _cpp_find_include_file,
9992 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9993 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9995 Change all uses of U_CHAR to be unsigned char instead.
9996 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9998 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10000 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
10001 (dwarf2out_begin_prologue): Set it.
10002 (output_call_frame_info): Don't emit EH unwind info for leaves.
10004 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
10005 can occur outside of an EH region.
10006 * except.c: Correct comments about rethrow behavior.
10007 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10009 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10011 * flow.c (make_edges): Always call make_eh_edge for calls.
10013 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10015 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10016 (struct cpp_buffer): Remove fname and underflow fields.
10017 (struct cpp_reader): Remove get_token field.
10018 (struct include_hash): Rename to struct ihash. Add typedef to
10020 (struct if_stack): Remove fname field.
10021 (IF_STACK_FRAME): Rename to IF_STACK.
10023 * cpperror.c (print_containing_files): Trust that there are no
10024 macro buffers below the top file buffer.
10025 * cppfiles.c: Replace all references to 'struct include_hash'
10026 with 'IHASH'. Rename initialize_input_buffer to
10027 init_input_buffer. Don't set or reference cpp_buffer->fname,
10028 use buffer->ihash->name instead.
10029 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10030 not CPP_NULL_BUFFER.
10031 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10032 IF_STACK_FRAME, IHASH not struct include_hash.
10033 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10034 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10035 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10036 references to cpp_buffer->fname (delete entirely, or use
10037 ->ihash->name instead) and IF_STACK->fname.
10038 (cpp_push_buffer): Don't set new->underflow.
10039 (do_include): Use cpp_file_buffer.
10041 * cpphash.c (collect_formal_parameters): Remove duplicate
10042 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10043 used as a macro argument name. Don't append "..." to namebuf
10044 for varargs macros. After we're done scanning, go through
10045 namebuf and make it NUL separated, not comma separated.
10046 (_cpp_compare_defs): Remove register tag from variables.
10047 Expect defn->argnames to be NUL separated.
10048 (_cpp_dump_definition): Expect defn->argnames to be NUL
10049 separated and in forward order.
10050 * cpphash.h: Update documentation of argnames field.
10052 2000-03-08 Richard Henderson <rth@cygnus.com>
10054 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10055 to fail. Don't pre-expand the source operand.
10057 * i386.md (strlensi): Initialize eoschar and align before use.
10059 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10061 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10062 CONSTRUCTOR element.
10064 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10066 * mips.c (mips_expand_prologue): If the last
10067 named argument is the vararg marker "va_list", treat it as
10068 an unnamed argument.
10070 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10072 * dbxout.c (dbxout_parms): When correcting for promoted
10073 big-endian parameters, use the mode of the DECL_RTL rather
10074 than UNITS_PER_WORD.
10076 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10078 * c-common.h (make_fname_decl): Declare.
10079 * c-common.c (make_fname_decl): Define.
10080 (declare_hidden_char_array): Remove.
10081 (declare_function_name): Use make_fname_decl.
10082 * c-decl.c (c_make_fname_decl): New function.
10083 (init_decl_processing): Set make_fname_decl.
10085 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10087 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10089 2000-03-07 Philipp Thomas <pthomas@suse.de>
10091 * po/POTFILES.in: Remove cppalloc.c from file list.
10093 2000-03-07 Steve Chamberlain <sac@pobox.com>
10095 * pj.c (pj_expand_prologue): current_function->args_info is
10096 now current_function_args_info.
10098 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10099 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10100 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10102 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10104 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10105 output as hexadecimal rather than the default octal.
10107 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10109 * cpphash.c (special_symbol): Fix thinko in previous commit.
10111 2000-03-07 Neil Booth <NeilB@earthling.net>
10113 * cppexp.c (struct operation, left_shift, right_shift,
10114 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10115 "int"s to "unsigned int"s.
10116 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10118 * cpplib.h: Update for above.
10119 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10120 returned from allocations.
10122 * cppinit.c (opt_comp, parse_options): New functions.
10123 (handle_option): Use parse_option to parse a single command
10124 line option, that possibly takes an argument.
10125 (cpp_handle_options): Sort the array of command line options on
10126 first invocation (non-ASCII hosts only).
10127 (print_help): Update.
10129 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10131 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10132 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10134 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10136 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10138 * cpperror.c (cpp_print_containing_files,
10139 cpp_print_file_and_line, v_cpp_message): Rename to
10140 print_containing_files, print_file_and_line, and v_message.
10141 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10142 to _cpp_parse_expr, parse_escape, and lex.
10143 (parse_charconst): Remove broken multibyte support.
10144 * cppfiles.c (include_hash): Make static.
10145 (cpp_included): New function.
10146 (merge_include_chains, find_include_file, finclude,
10147 simplify_pathname): Rename to _cpp_merge_include_chains,
10148 _cpp_find_include_file, _cpp_read_include_file, and
10149 _cpp_simplify_pathname.
10150 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10151 cpp_install, create_definition, macroexpand, compare_defs,
10152 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10153 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10154 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10155 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10157 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10159 * cpphash.h: Update prototypes.
10160 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10162 2000-03-07 Andrew Haley <aph@cygnus.com>
10164 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10165 PTRDIFF_TYPE should be based solely on Pmode.
10166 (SIZE_TYPE): ditto.
10168 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10170 * rtl.h (rtunion_def): Constify member `rtstr'.
10171 (emit_line_note_after, emit_line_note, emit_line_note_force,
10172 emit_note, decode_asm_operands): Constify.
10174 * cse.c (canon_hash): Likewise.
10176 * dbxout.c (dbxout_block): Likewise.
10178 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10179 v_warning_for_asm): Likewise.
10181 * dwarfout.c (function_start_label): Likewise.
10183 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10184 emit_line_note_force): Likewise.
10186 * final.c (last_filename, asm_insn_count, final_scan_insn,
10187 output_source_line): Likewise.
10189 * function.h (struct emit_status): Likewise.
10191 * gcse.c (hash_expr_1): Likewise.
10193 * genattr.c (gen_attr, main): Likewise.
10195 * genattrtab.c (struct function_unit, current_alternative_string,
10196 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10197 attr_numeral, check_attr_test, check_attr_value,
10198 convert_set_attr_alternative, convert_set_attr,
10199 compute_alternative_mask, simplify_by_exploding, gen_attr,
10200 gen_unit): Likewise.
10202 * genflags.c (gen_insn): Likewise.
10204 * gengenrtl.c (type_from_format): Likewise.
10206 * genopinit.c (gen_insn): Likewise.
10208 * genoutput.c (n_occurrences, process_template, process_template):
10211 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10214 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10217 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10218 ggc_set_mark, ggc_get_size): Likewise.
10220 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10222 * optabs.c (init_one_libfunc): Likewise.
10224 * output.h (assemble_start_function): Likewise.
10226 * recog.c (decode_asm_operands): Likewise.
10228 * toplev.c (rest_of_compilation): Likewise.
10230 * tree.h (emit_line_note_after, emit_line_note,
10231 emit_line_note_force): Likewise.
10233 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10234 asm_emit_uninitialised, assemble_start_function,
10235 assemble_variable, const_hash, compare_constant_1,
10236 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10238 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10240 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10242 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10244 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10246 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10247 arm_dllimport_name_p): Likewise.
10249 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10252 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10254 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10256 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10257 arm_mark_dllexport, arm_mark_dllimport,
10258 arm_pe_encode_section_info): Likewise.
10260 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10261 ASM_FINISH_DECLARE_OBJECT): Likewise.
10263 * arm/thumb.c (thumb_function_prologue): Likewise.
10265 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10267 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10269 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10271 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10273 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10275 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10277 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10278 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10280 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10282 * i386/i386.c (asm_output_function_prefix): Likewise.
10284 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10286 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10288 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10290 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10291 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10292 ASM_OUTPUT_SECTION_NAME): Likewise.
10294 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10296 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10298 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10300 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10302 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10304 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10306 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10308 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10310 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10312 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10314 * mips/mips.md (movdi, movsi): Likewise.
10316 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10318 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10320 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10322 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10323 ASM_OUTPUT_ASCII): Likewise.
10325 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10326 output_mi_thunk, output_toc): Likewise.
10328 * rs6000/rs6000.md (movsi): Likewise.
10330 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10332 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10334 * v850/v850.c (print_operand, print_operand_address,
10335 v850_encode_data_area): Likewise.
10337 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10339 * config/mips/mips.md (zero_extendsidi2): Always force operand
10340 one to memory for mips16.
10342 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10344 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10345 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10346 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10347 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10348 (min_precision): Result is unsigned.
10349 (add_double, neg_double, mul_double): Low word is unsigned.
10350 (lshift_double, rshift_double, lrotate_double): Likewise.
10351 (rrotate_double, div_and_round_double): Likewise.
10352 (tree_floor_log2, compare_tree_int): New functions.
10353 (preserve_rtl_expr_temps): New declaration.
10354 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10355 (decl_attributes): Use tree_log2 to find alignment.
10356 Check for TREE_INT_CST_HIGH for format args.
10357 (min_precision): Now unsigned.
10358 Use tree_floor_log2.
10359 (truthvalue_conversion): Delete long-disabled code.
10360 * c-decl.c (finish_struct): Clean up tests on field width.
10361 (finish_function): Use compare_tree_int.
10362 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10363 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10364 (default_conversion, digest_init): Use compare_tree_int.
10365 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10366 Fix type errors in forming masks.
10367 * calls.c (initialize_argument_information): Use compare_tree_int.
10368 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10369 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10370 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10371 (store_field): Use compare_tree_int.
10372 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10373 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10374 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10375 (do_store_flag): Use compare_tree_int.
10376 * fold-const.c (encode, decode): Low part is always unsigned.
10377 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10378 (lshift_double, rshift_double, lrotate_double): Likewise.
10379 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10380 (fold_convert): Use compare_tree_int.
10381 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10382 (invert_truthvalue, case INTEGER_CST): Likewise.
10383 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10384 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10385 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10386 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10388 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10389 (expand_end_case): Use compare_tree_int.
10390 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10391 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10392 (layout_decl): Likewise.
10393 (layout_record, layout_union): Make sizes unsigned.
10394 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10395 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10396 * tree.c (struct type_hash): hashcode is unsigned.
10397 (build_type_attribute_variant, type_hash_list): Likewise.
10398 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10399 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10400 (build_complex_type): Likewise.
10401 (real_value_from_int_cst): Remove unneeded casts.
10402 (integer_all_onesp): Add casts.
10403 (tree_floor_log2, compare_tree_int): New functions.
10404 (build_index_type): Use tree_int_cst_sgn.
10405 * varasm.c (assemble_variable): Use compare_tree_int.
10407 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10409 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10411 * varasm.c (make_decl_rtl): Don't add a number to members of
10413 (make_function_rtl): Likewise.
10415 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10417 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10418 patch from 2000-01-28.
10420 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10422 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10423 filled with an insn from the jump target.
10425 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10427 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10428 (c4x_external_ref): Likewise.
10429 * config/c4x/c4x.c (struct name_list): Likewise.
10431 1999-12-16 Ben Collins <bcollins@debian.org>
10433 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10434 argument to genmultilib.
10435 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10436 the contents into the multilib.h header.
10437 * gcc.c: Declare multilib_exclusions for the specs file.
10438 (set_multilib_dir): Use it.
10439 (print_multilib_info): Likewise.
10440 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10441 to pass to genmultilib.
10443 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10445 * builtins.c (built_in_class_names, built_in_names): Constify a
10448 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10450 (_mcleanup): Ensure value matches format specifier in sprintf.
10452 * cpphash.c (special_symbol): Don't needlessly cast away
10455 * cppinit.c (base_name): Delete unused prototype.
10457 * mkdeps.c (deps_init): Make definition K&R safe.
10459 * tree.h (built_in_class_names, built_in_names): Constify a
10462 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10464 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10465 floating point instructions for epilogue delay.
10467 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10468 to gas if it supports .register pseudo.
10470 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10471 LONG_DOUBLE_TYPE_SIZE if not defined.
10472 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10473 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10474 * real.c: Likewise.
10475 * gengenrtl.c: Likewise.
10476 * print-rtl.c: Likewise.
10478 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10479 MASK_LONG_DOUBLE_128.
10480 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10481 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10482 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10483 (SUBTARGET_SWITCHES): Define.
10484 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10485 with -mlong-double-128.
10486 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10487 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10488 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10489 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10490 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10491 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10492 with -mlong-double-128.
10493 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10494 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10495 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10496 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10497 TARGET_LONG_DOUBLE_128): Define.
10498 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10499 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10500 long double on TARGET_ARCH64.
10502 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10504 * function.c (free_temps_for_rtl_expr): Don't free slots
10505 that have been pushed into a higher level.
10508 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10510 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10512 * basic-block.h (ALLOCA_REG_SET): Remove.
10513 (INITIALIZE_REG_SET): New macro.
10514 * flow.c (update_life_info): Use it.
10515 (calculate_global_regs_live): Likewise.
10516 (propagate_block): Likewise.
10517 * global.c (build_insn_chain): Likewise.
10518 * haifa-sched.c (schedule_region): Likewise.
10520 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10522 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10523 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10524 (DWARF_ARANGES_PAD_SIZE): New define.
10525 (output_aranges): Use it to pad the address range header.
10526 (DWARF_ROUND): Fix for non power of 2 rounding.
10528 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10530 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10532 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10534 * tree.def (RTL_EXPR): Update documentation.
10535 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10536 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10537 * function.c (preserve_rtl_expr_temp): New function.
10538 (preserve_rtl_expr_temps): Likewise.
10539 (preserve_rtl_expr_result): Use it.
10542 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10544 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10546 * regmove.c (copy_src_to_dest) Do not create src->dest move
10547 for unchanging destination.
10549 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10551 * function.h (struct sequence_stack): Remove rtl_expr.
10552 (struct emit_staus): Likewise.
10553 (seq_rtl_expr): Remove.
10554 * tree.h (free_temps_for_rtl_expr): Don't declare.
10555 (start_sequence_for_rtl_expr): Likewise.
10556 * rtl.h (preserve_rtl_expr_result): Likewise.
10557 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10558 (start_sequence_for_rtl_expr): Remove.
10559 (push_topmost_sequence): Don't save sequence_rtl_expr.
10560 (pop_topmost_sequence): Remove comment about not restoring it.
10561 (end_sequence): Don't set seq_rtl_expr.
10562 (init_emit): Don't initialize it.
10563 (mark_sequence_stack): Don't mark it.
10564 (mark_emit_status): Likewise.
10565 * except.c (protect_with_terminate): Use
10566 start_sequence_for_rtl_expr, not start_sequence.
10567 * expr.c (expand_expr, case RTL_EXPR): Don't call
10568 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10569 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10570 (preserve_rtl_expr_result): Remove.
10571 (free_temps_for_rtl_expr): Likewise.
10572 (pop_temp_slots): Likewise.
10573 (mark_temp_slot): Don't mark the rtl_expr.
10574 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10575 start_sequence_for_rtl_expr.
10577 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10579 * mkdeps.c, mkdeps.h: New files.
10580 * po/POTFILES.in: Add them.
10581 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10582 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10583 (mkdeps.o): New target.
10585 * cppfiles.c: Delete deps_output.
10586 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10587 OBJECT_SUFFIX, and base_name.
10588 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10590 (initialize_dependency_output): Use deps_init,
10591 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10592 all the unnecessary string bashing.
10593 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10595 * cpplib.c (do_include): Use deps_add_dep.
10596 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10597 deps_allocated_size, deps_size, deps_column members with
10598 single pointer to a struct deps. Delete prototype of
10601 * cppinit.c: Fix thinko in previous patch.
10603 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10605 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10606 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10607 (mode_for_size_tree): New function.
10608 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10609 * tree.h (mode_for_size_tree): New declaration.
10611 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10613 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10615 * stmt.c (is_body_block): Move...
10616 * dwarfout.c, dwarf2out.c: ...from here.
10617 * tree.h: Declare it.
10618 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10619 * final.c (final_start_function): Do call remove_unnecessary_notes
10622 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10624 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10626 * cpplib.h (_dollar_ok): New macro.
10627 (is_idchar, is_idstart): Use it.
10628 (IStable): Rename to _cpp_IStable. Declare it const if
10629 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10630 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10631 is_space): Update for renamed IStable.
10633 * cppinit.c: Delete all references to FAKE_CONST and CAT
10634 macros. Define init_IStable as empty macro if gcc >=2.7 or
10635 C99. Change TABLE() to ISTABLE and hardcode name of table.
10636 (cpp_start_read): Don't change the IStable based on
10639 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10640 changed. Handle '$' for char1 correctly.
10641 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10643 * cppexp.c (tokentab2): Make const.
10644 (cpp_lex): Make toktab const.
10645 * cppinit.c (include_defaults_array): Make const.
10646 (initialize_standard_includes): Make default_include const.
10648 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10650 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10651 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10652 (gen_decl_die): Likewise.
10653 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10654 (output_decl): Likewise.
10656 * varasm.c (make_function_rtl): If we change the name used in the
10657 rtl, update DECL_ASSEMBLER_NAME accordingly.
10658 (make_decl_rtl): Likewise.
10660 * toplev.c (rest_of_compilation): Tweak formatting.
10662 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10663 remove_unnecessary_notes.
10664 (debug_ignore_block): New fn.
10665 * toplev.h: Declare it.
10666 * emit-rtl.c (remove_unncessary_notes): Call it.
10667 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10668 * dwarf2out.h: Declare it.
10669 * final.c (final_start_function): Don't call remove_unnecessary_notes
10670 if we did insn scheduling.
10672 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10674 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10675 * cpplib.h: Delete SET_CPP_PEDANTIC.
10677 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10679 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10680 result is a RECORD_TYPE.
10682 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10684 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10686 2000-03-03 Richard Henderson <rth@cygnus.com>
10688 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10689 addition over compliments over shifts.
10691 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10693 * reload1.c (reload_combine_note_use): Handle return register USEs.
10694 REG case: Handle multi-hard-register hard regs.
10696 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10698 * md.texi: Document use of '*' in insn pattern name.
10700 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10702 * calls.c (special_function_p): operator new may not be malloc-like.
10704 * gcse.c (dump_hash_table): Really fix error in last change.
10706 2000-03-02 Denis Chertykov <denisc@overta.ru>
10708 * avr.c (print_operand): Use print_operand_address instead of
10710 * avr/libgcc.S: Cleanup code.
10712 2000-03-02 Richard Henderson <rth@cygnus.com>
10714 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10716 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10718 * tree.h (TYPE_ALIGN_UNIT): New macro.
10720 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10722 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10724 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10726 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10728 (SET_CPP_PEDANTIC): New macro.
10729 * cpplib.c (do_include): Don't bother checking system_header_p.
10730 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10731 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10733 * function.h (struct expr_status): Add x_arg_space_so_far.
10734 (arg_space_so_far): New macro.
10735 * expr.c (init_expr): Initialize it.
10736 * calls.c (emit_call_1): Reset it.
10737 (compute_argument_block_size, expand_call): Use it.
10738 (expand_call, store_one_arg): Increment it.
10740 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10742 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10745 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10747 * cppfiles.c (cpp_read_file): New function.
10749 * cpphash.c (collect_expansion): Make sure to reset last_token
10750 to NORM when we hit a string. Handle trailing whitespace
10751 properly when the expansion is empty.
10752 (create_definition): Disable line commands while parsing the
10754 (dump_definition): If pfile->lineno == 0, output a line
10755 command ahead of the dump, and add a trailing newline.
10757 * cppinit.c (append_include_chain): Add fifth argument, which
10758 indicates whether or not system headers are C++ aware.
10759 (initialize_standard_includes): New function,
10760 broken out of read_and_prescan. Pass 'cxx_aware' value from
10761 the include_defaults_array on to append_include_chain.
10762 (dump_special_to_buffer): Const-ify char array.
10763 (builtin_array): Don't dump __BASE_FILE__.
10764 (cpp_start_read): Use cpp_read_file. Reorder code for
10765 clarity. Don't output line commands here for -D/-A/-U
10766 switches. Don't call deps_output for files included with
10767 -include or -imacros.
10769 * cpplib.c (do_define): Don't pay any attention to the second
10771 (cpp_expand_to_buffer): Disable line commands while scanning.
10772 (output_line_command): Work in the file buffer.
10773 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10774 Fix formatting of comments. Prototype cpp_read_file.
10776 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10778 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10779 reference the language-equivalent of sizetype.
10780 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10781 * fold-const.c (size_binop, size_diffop): Put back checks.
10782 * gcse.c (dump_hash_table): Fix minor error in last change.
10783 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10784 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10787 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10789 * calls.c (expand_call) Do not attempt to combine stack adjustments
10790 with inhibit_defer_pop set.
10792 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10794 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10795 the DECL_SIZE for a FIELD_DECL.
10797 2000-03-01 Bruce Korb <bkorb@gnu.org>
10799 * fixinc/inclhack.tpl: remove unused symlinks
10800 * fixinc/README: GCC Maintainer info
10801 * fixinc/inclhack.sh: regen
10802 * fixinc/fixincl.sh: regen
10804 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10806 * cpphash.c (collect_expansion): Trim trailing white space
10807 from macro definitions, but don't go past the last insertion
10810 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10812 * i386.md (mulqi3): New pattern.
10814 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10816 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10818 (struct cpp_reader): Add parsing_if_directive and
10819 parsing_define_directive flags.
10820 (struct cpp_options): Remove output_conditionals flag.
10821 (check_macro_name): Delete prototype.
10823 * cpphash.h (struct macrodef): Delete.
10824 (struct reflist): Separate from struct definition.
10825 (struct definition): Remove unused fields. Add column number.
10826 (create_definition): Returns a DEFINITION *. Takes a
10827 cpp_reader * and an int.
10829 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10830 (PEEKC): Copy defn from cpplib.c.
10831 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10833 (struct arglist): Simplify.
10834 (collect_expansion): Rewrite. Get tokens by calling
10835 cpp_get_token. Add more error checking.
10836 (collect_formal_parameters): New function, broken out of
10837 create_definition and reworked to use get_directive_token.
10838 (create_definition): All real work is now in collect_expansion
10839 and collect_formal_parameters. do_define handles finding the
10840 macro name. Return a DEFINITION, not a MACRODEF.
10841 (macroexpand): Replace bcopy with memcpy throughout. Replace
10842 character-at-a-time copy loop with memcpy and pointer increments.
10843 (compare-defs): d1->argnames / d2->argnames might be null.
10845 * cpplib.c (copy_rest_of_line): Delete function.
10846 (skip_rest_of_line): Do all the work ourselves.
10847 (skip_string): New function.
10848 (parse_string): Use skip_string.
10849 (get_macro_name): New function.
10850 (check_macro_name): Delete.
10851 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10852 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10853 (handle_directive): ICE if we're called on a macro buffer.
10854 (do_define): Determine macro name and type (funlike/objlike)
10855 here. Expunge all uses of MACRODEF.
10856 (cpp_push_buffer): Set line_base to NULL.
10857 (do_undef, read_line_number): Don't worry about getting a POP token.
10858 (eval_if_expression): Set/reset parsing_if_directive around
10859 cpp_parse_expr. Don't clear only_seen_white.
10860 (skip_if_group): Remove output_conditionals logic. Use
10862 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10863 tokens under appropriate conditions.
10864 (cpp_unassert): Call do_unassert not do_assert. Oops.
10866 * cppexp.c (parse_defined): New function, break out of
10868 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10869 ourselves, with cpp_defined.
10870 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10872 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10873 * gcc.dg/strpaste-2.c: New.
10875 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10877 * fold-const.c (size_binop): Don't asert inputs are the same and
10878 have TYPE_IS_SIZETYPE set.
10879 (size_diffop): Likewise.
10881 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10883 * dwarfout.c (output_block): Output abstract blocks even if they
10884 don't have TREE_ASM_WRITTEN set.
10886 * calls.c (emit_library_call): Check for null REG.
10888 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10890 * c-decl.c (current_function_decl): Move to toplev.c.
10891 (init_decl_processing): Don't add current_function_decl as a ggc
10893 * dbxout.c (dbxout_symbol): Change return type to int.
10894 (dbxout_symbol_location, dbxout_syms): Likewise.
10895 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10896 any locals. Use current_function_func_begin_label if set.
10897 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10898 * dwarf2out.c (dwarf2out_begin_prologue): Set
10899 current_function_func_begin_label.
10900 * final.c (final_start_function): Reset it.
10901 * toplev.c (current_function_decl): Define it here.
10902 (current_function_func_begin_label): New variable.
10903 (main): Add both as ggc roots.
10904 * tree.h (current_function_func_begin_label): Declare.
10906 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10908 * gcse.c: Cleanups throughout: mostly white-space, but also
10909 some minor rearrangement of code.
10911 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10913 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10914 returns a PARALLEL. Use emit_group_load and use_group_regs
10916 (emit_library_call_value): Similarly.
10918 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10919 * pa/quadlib.asm: Remove.
10920 * pa/quadlib.c: New file.
10922 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10923 * configure: Rebuilt.
10925 2000-02-29 Philip Blundell <pb@futuretv.com>
10927 * config/arm/conix-elf.h: New file.
10928 * configure.in (arm*-*-conix*): New configuration.
10929 * configure: Regenerate.
10931 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10933 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10934 don't have TREE_ASM_WRITTEN set.
10936 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10938 * Eliminate DECL_FIELD_SIZE.
10939 * builtins.c (built_in_class_names, built_in_names): New variables.
10940 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10941 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10942 DECL_SIZE, not DECL_FIELD_SIZE.
10943 * print-tree.c (print_node): Remove code that prints extra blank
10944 lines in some cases.
10945 Properly handle inline and builtin function cases.
10946 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10947 * tree.h (built_in_class_named, built_in_names): New declarations.
10948 (union tree_decl): Rename internal unions to u1 and u2 and change
10949 some of their components.
10950 Add new field built_in_class.
10951 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10952 Reflect above changes.
10953 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10954 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10955 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10956 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10958 2000-02-28 Dmitri Makarov <dim@windriver.com>
10960 * extend.texi: Document ARM's support for long/short calls.
10962 * invoke.texi: Document ARM's -mlong-calls command line switch.
10964 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10965 (arm_encode_call_attribute): Add prototype.
10966 (arm_set_default_type_attribute): Add prototype.
10967 (arm_strip_name_encoding): Add prototype.
10969 * config/arm/arm.c (arm_init_cumulative_args): replace
10970 initialisation og 'long_calls' field with initialisation of
10971 'call_cookie' field.
10972 (enum arm_pragma_enum): New enum.
10973 (arm_pragma_long_calls): New static variable.
10974 (arm_process_pragma): Also process "#pragma long_calls_off".
10975 (arm_valid_type_attribute_p): Accept short_call attribute.
10976 (arm_comp_type_attributes): Check long/short call attributes.
10977 (arm_encode_call_attribute): New function: Encode long_call
10978 or short_call attribute in function name.
10979 (arm_set_default_type_attributes): New function: Assign
10980 default attributes to newly defined type.
10981 (current_file_function_operand): New function: Return true if
10982 the symbol is a function which has already been compiled.
10983 (arm_is_longcall_p): New function: Return true if the
10984 indicated function should be called via a long call.
10985 (arm_get_strip_length): New function. Returns number of
10986 prefix characters to be stripped from a function's name.
10987 (arm_strip_name_encoding): New function. Strip prefix characters
10988 from a function's name.
10990 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10991 with 'call_cookie'.
10992 (SHORT_CALL_FAG_CHAR): Define.
10993 (LONG_CALL_FAG_CHAR): Define.
10994 (ENCODED_SHORT_CALL_ATTR_P): Define.
10995 (ENCODED_LONG_CALL_ATTR_P): Define.
10996 (ARM_NAME_ENCODING_LENGTHS): Define.
10997 (STRIP_NAME_ENCODING): Define.
10998 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10999 (ARM_ENCODE_CALL_TYPE): Define.
11000 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
11001 (ARM_DECLARE_FUNCTION_SIZE): Define.
11002 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
11004 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
11005 if a long call is needed.
11006 (call_value): Ditto.
11007 (call_symbol): Ditto.
11009 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11010 ARM_DECLARE_FUNCTION_SIZE.
11012 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11013 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11014 (ARM_STRIP_NAME_ENCODING): Undefine.
11015 (STRIP_NAME_ENCODING): Undefine.
11016 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11017 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11018 (ASM_OUTPUT_COMMON): Ditto.
11019 (ASM_DECLARE_OBJECT_NAME): Ditto.
11021 * config/arm/pe.c (arm_dllexport_name_p): Check for
11023 (arm_dllimport_name_p): Ditto.
11024 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11025 (arm_mark_dllimport): Ditto.
11027 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11029 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11031 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11033 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11035 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11037 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11038 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11039 NO_BUILTIN_WCHAR_TYPE is not defined.
11040 (CPP_WCHAR_TYPE): Delete.
11041 * cccp.c (main): Don't change wchar_type if cplusplus.
11042 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11044 2000-02-28 Nick Clifton <nickc@cygnus.com>
11046 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11048 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11050 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11051 (ASM_WEAKEN_LABEL): Define.
11053 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11055 * expr.c (store_constructor): Do not emit USE.
11056 * rtl.h (stupid_life_analysis): Remove.
11058 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11060 * function.c (number_blocks): Reset next_block_index based on
11061 what debugging format is used, not what is defined.
11063 * lcm.c: Minor reformatting throughout.
11064 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11066 * toplev.c (rest_of_compilation): Account for time in
11067 optimize_mode_switching.
11069 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11070 if only marking labels.
11072 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11074 * calls.c (expand_call): Attempt to combine stack adjustments with
11075 pending stack adjustments.
11077 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11079 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11080 to the end of the function.
11082 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11084 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11086 * final.c (next_block_index): Remove.
11087 (max_block_depth): Likewise.
11088 (pending_blocks): Likewise.
11089 (init_final): Don't initialize them.
11090 (final_start_function): Don't set next_block_index. Set up
11092 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11093 * function.h (number_blocks): New function.
11094 * function.c (get_block_vector): New function.
11095 (identify_blocks): Use it.
11096 (reorder_blocks): Set NOTE_BLOCK.
11097 (number_blocks): New function.
11098 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11099 * tree.h (BLOCK_NUMBER): New macro.
11100 (tree_block): Add block_num field.
11101 * dbxout.c (next_block_number): Remove.
11102 (dbxout_init): Don't set it.
11103 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11104 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11106 * toplev.c (rest_of_compilation): Always call
11107 find_loop_tree_blocks. Fix indentation.
11108 * dwarf2out.c (next_block_number): Remove.
11109 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11110 to determine block numbers.
11111 (gen_inlined_subroutine_die): Likewise.
11112 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11113 (decls_for_scope): Don't increment next_block_number.
11114 * dwarfout.c (next_block_number): Remove.
11115 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11116 to determine block numbers.
11117 (output_inlined_subroutine_die): Likewise.
11118 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11119 (output_decls_for_scope): Don't increment next_block_number.
11120 * sdbout.c (next_block_number): Remove.
11121 (sdbout_block): Use BLOCK_NUMBER.
11122 (sdbout_begin_block): Simplify.
11123 * xcoffout.c (next_block_number): Remove.
11124 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11125 (xcoffout_begin_block): Don't set next_block_number.
11126 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11129 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11131 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11132 (expand_builtin_strcpy): Pass correct type to size_binop.
11133 (expand_builtin_strcmp): Likewise.
11134 Clean up conditional structure.
11135 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11136 (complete_array_type): Don't use size_binop for MAXINDEX.
11137 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11138 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11139 (c_alignof): Use size_one_node.
11140 (build_unary_op): Pass arg of proper type to size_binop.
11141 (really_start_incremental_init, push_init_level): Use sizetype for
11142 constructor{,_bit,_unfilled}_index.
11143 (pop_init_label, output_init_element): Likewise.
11144 (output_pending_init_elements, process_init_element): Likewise.
11145 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11146 * expr.c (store_expr): Use size_int.
11147 (store_constructor): Use proper types for size_binop args.
11148 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11149 (expand_expr_unaligned): Likewise.
11150 (string_contant): Return object of sizetype.
11151 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11152 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11153 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11154 * fold-const.c (int_const_binop): Refine when size_int is called.
11155 (fold_convert): Likewise.
11156 (size_int_wide): Rework to take KIND as arg, only take low order
11157 bits, handle new sizetype_tab datatype, and chain entries in
11159 (size_int_type_wide): New function.
11160 (size_binop): Validate types of arguments.
11161 (ssize_binop): Deleted.
11162 (size_diffop): New function.
11163 (extract_muldiv): Only fold division into multiplication for sizetypes.
11164 * function.c (assign_parms): Use size_diffop and make sure
11165 VAR field is of ssizetype; also pass proper type to size_binop.
11166 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11167 (round_down): Deleted from here.
11168 * store-layout.c (sizetype_tab): Now an array.
11169 (sizetype_set, early_root_list): New variables.
11170 (variable_size): Use size_one_node.
11171 (round_up): Pass proper type to size_binop.
11172 (round_down): Moved to here and corrected as above.
11173 (layout_record): Pass proper arg types to size_binop.
11174 (layout_type): Likewise.
11175 If sizetype_set is zero, record the type just laid out.
11176 (make_unsigned_type): Don't call set_sizetype;
11177 (make_signed_type): Likewise; also, call fixup_signed_type.
11178 (initialize_sizetypes): New function.
11179 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11180 set name of bitsizetype to "bit_size_type".
11181 Fix up type of sizes of all types made before call.
11182 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11183 * tree.c (fix_sizetype): Deleted.
11184 (build_common_tree_nodes): Call initialize_sizetypes.
11185 (build_common_tree_nodes_2): Don't call fix_sizetype.
11186 * tree.h (TYPE_IS_SIZETYPE): New macro.
11187 (initialize_sizetype): New declaration.
11188 (enum size_type_kind): New type.
11189 (struct sizetype_tab): Deleted.
11190 (sizetype_tab): Now array; adjust sizetype macros.
11191 (size_diffop, size_int_type_wide): New functions.
11192 (size_int_wide): Change number of args and type; access macros changed.
11193 (ssize_int, sbitsize_int): New macros.
11194 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11195 (ROUND_TYPE_SIZE_UNIT): New macro.
11197 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11199 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11201 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11203 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11204 Mark as possibly unused.
11206 * cse.c (cse_insn): Delete dead code involving tablejump.
11207 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11209 * Makefile.in (libcpp.a): Start by deleting it.
11211 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11213 * cpplib.h (enum file_change_code): Added rename_file.
11214 * cpplib.c (do_line): If a filename is given, set file_change to
11216 (output_line_command): If file_change is rename_file, always
11217 output a # directive with the file name.
11219 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11221 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11223 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11224 when copying a PARM_DECL or RESULT_DECL.
11226 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11228 * fix-header.c (recognized_function): Also fix prototypes for
11229 functions taking "void".
11231 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11233 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11234 looking at reg_reloaded_contents.
11236 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11238 * Makefile.in (STMP_FIXINC): New toggle.
11239 (LIBGCC2_DEPS): Delete all references.
11240 (stmp-headers): Delete target. All references either deleted
11241 or changed to stmp-int-headers.
11242 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11243 (LIBCPP_OBJS): Take out cppalloc.o.
11244 (cppalloc.o): Delete target.
11245 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11246 (gen-protos, fix-header): Link with libiberty.a.
11247 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11250 * configure.in: Remove refs to strerror.
11251 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11252 * system.h: Take out strerror stanza.
11254 * cpperror.c (my_strerror): Delete function.
11255 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11256 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11257 * cppalloc.c: Delete file.
11258 * gen-protos.c: Don't provide xrealloc.
11260 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11261 xstrerror throughout.
11263 2000-02-26 Bruce Korb <bkorb@gnu.org>
11265 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11266 match for DOS headers, too.
11267 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11269 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11271 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11272 is right for most ELF targets.
11273 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11274 Let the default file use %U properly.
11275 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11278 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11281 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11283 * toplev.c (documented_lang_options): Correct spelling error.
11284 (decode_d_option, decode_f_option, main): Likewise.
11286 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11288 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11289 to tell assembler it is permitted to expand large constants.
11291 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11293 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11294 (aux_info_suffix): Use.
11295 (SAVE_SUFFIX): New macro.
11296 (save_suffix): Use.
11297 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11298 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11299 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11301 * invoke.texi (Running Protoize): Update documentation.
11303 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11305 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11307 2000-02-25 John Wehle (john@feith.com)
11309 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11311 2000-02-25 Anthony Green <green@cygnus.com>
11313 * toplev.c (rest_of_compilation): Rebuild jump labels if
11314 combine_instructions has created a new direct jump.
11315 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11317 (combine_instructions): Call try_combine with new argument.
11318 Return non-null value when new direct jump instruction is created.
11319 * rtl.h: combine_instructions returns an int.
11321 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11323 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11324 jump when changing a computed jump into a jump to a known
11327 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11329 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11330 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11332 * i386.md (define_expand "clrstrsi"): Fix typo.
11334 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11336 * rtl.texi: Fix typo.
11338 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11340 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11341 UNITS_PER_WORD. Change caller initial_elimination_offset.
11342 (rounded_frame_size): Take into account that argument pushed has
11343 changed. Fix TARGET_ALIGN_DOUBLE problem.
11345 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11347 * haifa-sched.c (schedule_block): Explain the real reason
11348 we delete REG_SAVE_NOTEs on the first insn of a block.
11349 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11351 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11353 * input.h (push_srcloc): New function.
11354 (pop_srcloc): Likewise.
11355 * toplev.c (push_srcloc): Define it.
11356 (pop_srcloc): Likewise.
11358 2000-02-24 Richard Henderson <rth@cygnus.com>
11360 * flow.c (life_analysis): When collecting reg info, clear
11363 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11365 Fix bug exposed by reload.c no longer rounding the frame
11366 size to BIGGEST_ALIGNMENT:
11367 * sh.c (rounded_frame_size): New function.
11368 (sh_expand_prologue, sh_expand_epilogue): Use it.
11369 (initial_elimination_offset): Likewise.
11371 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11373 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11374 * sh-protos.h (sh_need_epilogue): Declare.
11375 * sh.c (sh_need_epilogue_known): New static variable.
11376 (sh_need_epilogue): New function.
11377 (function_epilogue): Clear need_epilogue_known.
11378 * sh.md (return): Split into expander / insn pattern.
11379 Make the expander conditional on ! sh_need_epilogue ().
11381 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11383 * machmode.h (get_mode_alignment): Declare.
11384 (GET_MODE_ALIGNMENT): Call it.
11385 * stor-layout.c (get_mode_alignment): New function. Make
11386 sure alignment is always power of 2.
11388 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11390 * i386.h: Remove useless definition of "I386" and misleading
11393 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11395 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11396 under which TREE_PERMANENT will be set.
11397 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11398 build1): Use TREE_SET_PERMANENT.
11399 * print-tree.c (print_node): Don't report value of
11400 TREE_PERMANENT if ggc_p is true.
11402 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11403 decide whether to give a type a new alias set.
11404 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11405 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11406 of value of 'obstack'.
11409 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11411 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11413 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11415 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11416 * cpplib.c (cpp_get_token): Produce them.
11417 * cppexp.c (cpp_lex): Handle them.
11419 2000-02-23 Nick Clifton <nickc@cygnus.com>
11421 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11422 comment tests on type attributes.
11424 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11426 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11427 conform to documentation.
11428 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11429 to check for special cases.
11430 * sh-protos.h (sh_loop_align): Declare.
11431 * sh.c (sh_loop_align): Define.
11433 2000-02-22 Andrew Haley <aph@cygnus.com>
11435 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11436 (SIZE_TYPE): Is 32 bits when using -mgp32.
11437 (PTRDIFF_TYPE): Ditto.
11439 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11441 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11443 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11445 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11446 BIGGEST_FIELD_ALIGNMENT a constant.
11448 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11450 * dwarf2out.c (output_line_info): Put the marker for the end of
11451 the line number info at the actual end.
11452 (gen_struct_or_union_type_die): Use decl_function_context
11453 to check for local classes.
11454 * dwarfout.c (output_type): Likewise.
11456 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11458 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11459 for arguments with a mode, but no type.
11460 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11461 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11462 * pa/long_double.h: New file.
11463 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11464 both have 128bit wide long doubles.
11465 * configure: Rebuilt.
11467 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11469 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11471 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11472 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11473 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11475 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11477 * integrate.c (compare_blocks, find_block): Likewise.
11479 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11481 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11483 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11484 expand_asm_operands): Likewise.
11486 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11488 * predict.c (estimate_probability): Added the pointer heuristic to
11489 the collection of static branch predictors.
11491 2000-02-21 Catherine Moore <clm@cygnus.com>
11493 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11494 * invoke.texi (-mfix7000): Document.
11496 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11498 * diagnostic.c (init_output_buffer): Make it possible to output at
11499 least 32 characters if we're given a too long prefix.
11501 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11503 * varasm.c (initializer_constant_valid_p): Call
11504 lang_expand_constant to simplify the constant.
11506 2000-02-20 Bruce Korb <bkorb@gnu.org>
11508 * fixinc/inclhack.def(stdio_va_list):
11509 typedef needs to be disabled.
11510 * fixinc/inclhack.sh: regen
11511 * fixinc/fixincl.x: regen
11513 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11515 * print-rtl.c (print_rtx): Don't print addresses when
11516 flag_dump_unnumbered.
11518 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11520 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11522 (sparc_va_arg, sparc_flat_output_function_prologue,
11523 sparc_flat_output_function_epilogue): Cast value to unsigned in
11525 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11527 * sparc.md: Add default case in switch.
11529 2000-02-19 Richard Henderson <rth@cygnus.com>
11531 * c-typeck.c (add_pending_init): Don't abort for multiple
11532 fields at the same offset.
11533 (pending_init_member): Test the correct member.
11535 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11537 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11539 (start_catch_handler) : Same.
11541 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11543 * Makefile.in: Have flow.o depend on $(EXPR_H)
11545 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11547 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11548 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11549 (finish_decl): Remove -Wlarger-than code from here.
11550 * flags.h (id_clash_len): Now int.
11551 (larger_than_size): Now HOST_WIDE_INT.
11552 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11553 Clean up checking to see if in table.
11554 (make_bit_field_ref): Remove extra parm to bitsize_int.
11555 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11556 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11557 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11558 and for computing size of decl.
11559 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11560 Move -Wlarger-than code to here.
11561 (layout_record): Remove extra arg to bitsize_int.
11562 Set TYPE_BINFO_SIZE_UNIT.
11563 (layout_union): Remove extra arg to bitsize_int.
11564 Use proper type for size of QUAL_UNION.
11565 (layout_type): Remove extra arg to bitsize_int.
11566 * toplev.c (id_clash_len): Now int.
11567 (larger_than_size): Now HOST_WIDE_INT.
11568 (decode_W_option): Clean up id-clash and larger-than- cases.
11569 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11570 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11571 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11572 (struct tree_decl): New field size_unit.
11573 (size_int_wide): No HIGH operand; NUMBER is now signed.
11574 (size_int_2): Deleted.
11575 (size_int, bitsize_int): Don't use it and rework args.
11576 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11578 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11580 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11582 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11584 * invoke.texi (Warning Options): Add an explanation of why
11585 you might want the -Wfloat-equal flag.
11587 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11589 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11590 * cppinit.c (new_pending_define): Add cast to avoid warning.
11591 * expmed.c (extract_bit_field): Likewise.
11592 * flow.c (enum reorder_skip_type): New type.
11593 (skip_insns_between_blcok): New it.
11594 Rework to avoid warning about possibly undefined variable.
11595 * function.c (assign_parms): Make thisparm_boundary unsigned.
11596 * genrecog.c (write_switch): Cast XWINT result to int.
11597 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11598 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11599 one for MIPS and one for Alpha.
11600 (get_tag, copy_object): Add casts to avoid warnings.
11601 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11602 * reload.c (find_reloads): Make TYPE enum reload_type.
11603 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11604 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11605 * varasm.c (compare_constant_1): Add cast to avoid warning.
11606 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11608 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11609 Cast switch operand of size to int.
11610 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11611 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11614 2000-02-18 Nick Clifton <nickc@cygnus.com>
11616 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11617 anything for an alignment of zero.
11619 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11620 anything for an alignment of zero.
11622 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11624 * gcc.texi (Bug Reporting): Refer to bugs.html.
11625 (Bug Lists): Likewise.
11626 * system.h (GCCBUGURL): New preprocessor define.
11627 * rtl.c (fancy_abort): Use it.
11628 * gcc.c (main): Likewise.
11630 2000-02-18 Richard Henderson <rth@cygnus.com>
11632 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11633 (life_analysis_1): Subsume into ...
11634 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11635 Use update_life_info for the relaxation.
11636 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11637 entry and regs_live_at_setjmp.
11638 (set_noop_p): Simplify.
11639 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11640 (record_volatile_insns): Split into ...
11641 (delete_noop_moves): ... here,
11642 (notice_stack_pointer_modification): ... here,
11643 (insn_dead_p): ... and here.
11644 (propagate_block): Don't query INSN_VOLATILE.
11645 (mark_used_regs): Mind !PROP_REG_INFO.
11646 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11647 not in life_analysis.
11649 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11651 * loop.c (canonicalize_condition): New function,
11652 broken out of get_condition.
11653 (get_condition): Use it.
11654 * expr.h (canonicalize_condition): Prototype it.
11656 * tree.h (tree_int_cst_msb): Declare.
11657 * tree.c (tree_int_cst_msb): New function.
11659 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11661 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11664 * invoke.texi (-fmessage-length=n): Document.
11666 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11668 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11670 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11672 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11673 after the prologue.
11675 2000-02-17 Nick Clifton <nickc@cygnus.com>
11677 * config/arm/thumb.c: Replace includes of system headers with
11678 #include "system.h".
11680 2000-02-16 Richard Henderson <rth@cygnus.com>
11682 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11683 Add crtbeginS.o and crtendS.o.
11684 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11685 (ENDFILE_SPEC): Use crtendS.o.
11686 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11688 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11689 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11690 shared and present.
11691 (__dso_handle): New variable.
11692 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11693 bias to __CTOR_END__.
11695 2000-02-16 Richard Henderson <rth@cygnus.com>
11697 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11699 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11701 * longlong.h (__clz_tab): Declare as static to match definition.
11703 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11705 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11706 (XREF_FILE_NAME): Define.
11708 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11709 (EH_FRAME_SECTION_ASM_OP): Define.
11710 (IDENT_ASM_OP): Define.
11711 (TEXT_SECTION_ASM_OP): Define.
11712 (CPP_SPEC): Define.
11713 (CTORS_SECTION_ASM_OP): Define.
11714 (CTOR_SECTION_FUNCTION): Use it.
11715 (DTORS_SECTION_ASM_OP): Define.
11716 (DTOR_SECTION_FUNCTION): Use it.
11718 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11720 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11723 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11724 debug_bb_n): New functions.
11725 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11726 * basic-block.h: Prototype new functions.
11728 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11730 * configure.in: Add support for avr target.
11731 * configure: Rebuilt.
11733 * invoke.texi: Add AVR invocation docs.
11734 * install.texi: Add information about AVR.
11735 * md.texi: Add AVR constraint letters description.
11736 * extend.texi: Add description for AVR specific attributes.
11738 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11740 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11742 2000-02-16 Nick Clifton <nickc@cygnus.com>
11744 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11745 (make_insn_raw): Move RTL check here.
11747 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11749 * version.c: Include gansidecl.h and version.h.
11751 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11753 * configure.in (gcc_version): When setting, narrow search to
11754 lines containing `version_string'.
11756 * Makefile.in (mainversion): Likewise.
11757 (GCC_H): New variable.
11758 (gcc.h): Delete target.
11759 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11760 (version.o): Depend on version.h.
11761 (dbxout.o): Don't depend on gcc.h.
11763 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11764 Michael Meissner <meissner@cygnus.com>
11766 * md.texi (Simple Constraints): Add item about whitespace.
11767 * genoutput.c (strip_whitespace): New.
11768 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11769 strip_whitespace for constraints.
11770 Test pointer using NULL, not 0.
11772 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11774 * cpplib.c (do_line): Pedwarn for #line > 32767.
11776 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11778 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11780 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11781 to default cpp spec.
11782 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11783 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11786 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11789 2000-02-15 Denis Chertykov <denisc@overta.ru>
11791 * configure.in: Add support for avr target.
11793 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11795 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11796 (sh_addr_diff_vec_mode): Don't declare.
11797 * sh.c (sh_addr_diff_vec_mode): Delete.
11799 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11801 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11803 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11805 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11806 (smulsi3_highpart_i): Name.
11807 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11808 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11809 (smulsi3_highpart, umulsi3_highpart): Likewise.
11811 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11812 correctly independent of endianness.
11813 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11814 confuse the optimizers.
11815 (mulsidi3+1, umulsidi3+1): New define_split.
11817 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11819 * config/sh/sh.md: Guard insn splits against illegal registers.
11820 * config/sh/sh.h: Correct comment about macros.
11822 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11823 Andrew MacLeod <amacleod@cygnus.com>
11825 * Makefile.in (lcm.o): Depend on insn-attr.h.
11826 * basic-block.h (optimize_mode_switching): Declare.
11827 * lcm.c (tm_p.h, insn-attr.h): #include.
11828 (seginfo, bb_info): New structs.
11829 (antic, transp, comp, delete, insert) : New file-scope static variables.
11830 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11831 (reg_becomes_live, optimize_mode_switching): Likewise.
11832 * tm.texi: Add description of mode switching macros.
11833 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11835 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11836 (fldi_ok, fpscr_set_from_mem): New prototypes.
11837 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11838 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11839 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11840 (sh_flag_remove_dead_before_cse): Remove declaration.
11841 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11842 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11843 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11844 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11845 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11846 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11847 (fldi_ok): New function.
11848 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11849 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11850 (emit_df_insn): Likewise.
11851 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11852 (sh_flag_remove_dead_before_cse): Delete.
11853 (get_free_reg, fpscr_set_from_mem): New functions.
11854 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11855 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11857 2000-02-15 Loren Rittle <ljrittle@acm.org>
11859 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11861 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11863 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11864 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11866 * cccp.c: Include version.h and/or don't declare `version_string'.
11867 * collect2.c: Likewise.
11868 * alpha.c: Likewise.
11869 * arm/aof.h: Likewise.
11870 * arm/coff.h: Likewise.
11871 * arm/elf.h: Likewise.
11872 * arm/pe.h: Likewise.
11873 * arm/tcoff.h: Likewise.
11874 * arm/telf.h: Likewise.
11875 * arm/tpe.h: Likewise.
11876 * arm/vxarm.h: Likewise.
11877 * convex/convex.c: Likewise.
11878 * i386/dgux.c: Likewise.
11879 * i386/sun386.h: Likewise.
11880 * m88k/m88k.c: Likewise.
11881 * mcore/mcore-pe.h: Likewise.
11882 * mips/mips.h: Likewise.
11883 * romp/romp.h: Likewise.
11884 * sh/sh.c: Likewise.
11885 * cpphash.c: Likewise.
11886 * cppinit.c: Likewise.
11887 * dwarf2out.c: Likewise.
11888 * dwarfout.c: Likewise.
11891 * mips-tfile.c: Likewise.
11892 * protoize.c: Likewise.
11893 * toplev.c: Likewise.
11894 * tree.h: Likewise.
11896 * version.c (version_string): Constify a char*.
11898 * version.h: New file.
11900 2000-02-14 Nick Clifton <nickc@cygnus.com>
11902 * configure.in: Add mcore-elf and mcore-pe targets.
11903 * configure: Regenerate.
11905 * NEWS: Add note that MCore port has been contributed.
11907 * invoke.texi: Document command line switches for MCore port.
11908 * install.texi: Add MCore to list of supported targets.
11910 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11912 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11913 then we will need to import the frame handling functions.
11914 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11915 to import the frames themselves.
11917 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11918 Jason Eckhardt <jle@cygnus.com>
11920 * basic_block.h: Added prototype for reorder_basic_blocks.
11921 * toplev.c: Changes to add -freorder-blocks and graph dump after
11922 block reordering is done.
11923 * flow.c (reorder_block_def): New structure for use during block
11925 (REORDER_BLOCK_*): New macros to access members of above structure.
11926 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11927 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11928 functions for block reordering.
11930 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11932 * gcc.texi (Passes): Fix typo.
11933 * md.texi (Standard Names): Ditto.
11934 * tm.texi (Storage Layout): Ditto.
11936 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11938 * cpplib.c (do_define): Only free the old definition if it
11941 2000-02-13 Neil Booth <NeilB@earthling.net>
11943 * cppfiles.c (read_and_prescan): When emitting deferred
11944 newlines, test speccase[] again instead of checking each
11945 possible whitespace character in turn. When we encounter \r,
11946 look behind for \n first, then ahead.
11948 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11950 * cse.c (cse_altered): New internal flag.
11951 (cse_insn): Set it if we changed an insn.
11952 (cse_main): Clear cse_altered before each basic block.
11953 Only garbage collect if cse_altered is true afterward.
11955 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11957 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11959 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11961 * combine.c (simplify_comparison): Fix typo.
11963 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11965 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11968 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11970 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11971 previously inserted node instead of root node. Caller changed.
11973 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11975 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11977 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11979 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11980 __dereg_frame_dtor): Add prototype argument.
11982 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11984 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11986 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11988 * gthr-vxworks.h (__gthread_once): Likewise.
11990 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11992 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11994 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11995 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11996 stack pointer in functions w/o saved registers, output LEAVE more often
11997 on TARGET_USE_LEAVE machines.
11999 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
12001 * config/arm/arm.c (arm_init_cumulative_args); New function:
12002 Initlaise the CUMULATIE_ARGS strcuture for a function
12004 (arm_function_arg): New function: Determine where to place a
12005 function's argument. Also handles deciding the function's
12007 (current_file_function_operand): New function: Return true if
12008 the symbol is a function which has already been compiled.
12009 (arm_is_long_call_p): New function: Return true if the
12010 indicated function should be called via a long call.
12011 (arm_valid_type_attribute_p): New function: Return true if the
12012 attribute is a valid, arm specific, attribute.
12013 (arm_comp_type_attribute): New function: Return true if the
12014 two types have compatable, arm specific, attributes.
12016 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12018 (FUNCTION_ARG): Redefine to call arm_function_arg.
12019 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12021 (INIT_CUMULATIVE_ARGS): Redefine to call
12022 arm_init_cumulative_args.
12023 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12025 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12027 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12029 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12030 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12031 (COMP_TYPE_ATTRIBUTES): Define.
12033 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12034 if a long call is needed.
12035 (call_value): Call arm_is_long_call_p to decide if a long call
12037 (call_symbol): Call arm_is_long_call_p to decide if a long call
12040 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12042 2000-02-11 Denis Chertykov <denisc@overta.ru>
12044 * README.AVR: New file with information about the avr ports.
12045 * config/avr: New directory with avr port files.
12047 2000-02-11 Andreas Jaeger <aj@suse.de>
12049 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12051 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12053 * cpphash.c: Fix formatting, update commentary.
12054 (dump_definition): Take three separate arguments instead of a
12055 MACRODEF structure argument.
12056 * cpphash.h: Update prototype of dump_definition.
12057 * cppinit.c (cpp_finish): Update call of dump_definition.
12059 * cpplib.c (do_define): Always create new hash entry with
12060 T_MACRO type. Remove redundant check for redefinition of
12061 poisoned identifier. Update call of dump_definition.
12062 (do_undef): Don't call check_macro_name. Rename sym_length to
12064 (do_error, do_warning): Don't use copy_rest_of_line or
12066 (do_warning): Don't use pedwarn for the actual warning,
12067 only the notice about its not being in the standard. (Fixes
12068 bug with #warning in system headers.)
12069 (do_ident): Stricter argument checking - accept only a single
12070 string after #ident. Also, macro-expand the line.
12071 (do_xifdef): Use cpp_defined. De-obfuscate.
12073 (do_pragma): Split out specific pragma handling to separate
12074 functions. Use get_directive_token. Update commentary. Do
12075 not pass on #pragma once or #pragma poison to the front end.
12076 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12077 do_pragma_default): New.
12079 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12081 * jump.c (jump_optimize_1): The first operand in a relational
12082 can be a CONST_INT.
12083 * optabs.c (emit_conditional_move): Handle relationals which
12084 have a known true/false result.
12086 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12088 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12089 a RETURN insn into a block which already ends with a jump.
12091 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12093 * haifa-sched.c (BUF_LEN): Increase a lot.
12095 2000-02-11 Nick Clifton <nickc@cygnus.com>
12097 * configure.in: Add tm_p_file specification for thumb targets.
12098 * configure: Regenerate.
12100 * config/arm/thumb-protos.h: New file: Prototypes for exported
12101 functions defined in thumb.c.
12103 2000-02-11 Robert Lipe <robertl@sco.com>
12105 * Makefile.in (bootstrap-lean): Remove additional files.
12106 (bootstrap2-lean): Likewise.
12107 (VOL_FILES): List of files for above.
12109 2000-02-11 Nathan Sidwell <nathan@acm.org>
12111 * cpphash.c (special_symbol): Remove spurious argument to
12114 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12116 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12118 * configure: Rebuilt.
12120 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12122 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12124 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12126 * pa.c, pa.h: Remove trigraph sequences within comments.
12128 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12130 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12132 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12134 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12136 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12138 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12140 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12142 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12143 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12144 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12145 (ASM_FILE_END): Use c4x_file_end.
12146 * config/c4x/c4x.c (c4x_global_label): New function.
12147 (c4x_external_ref, c4x_file_end): Likewise.
12149 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12150 (c4x_external_ref, c4x_end_file): Likewise.
12152 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12154 * cppexp.c: Don't include cpphash.h.
12155 (parse_charconst, cpp_lex): Use cpp_defined.
12156 (cpp_lex): Use get_directive_token throughout. Remove
12157 unnecessary cases from switch. Move assertion-handling code
12158 down to OTHER case.
12159 (cpp_parse_expr): If we see '+' or '-', check the context to
12160 determine if they are unary or binary operators. Streamline
12161 the jumps a bit. Do not call skip_rest_of_line.
12163 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12164 static. Export get_directive_token. Update commentary.
12165 (cpp_defined): New function.
12166 (do_define): Remove reference to T_PCSTRING. Call
12167 free_definition to release memory for old definition, when
12168 redefining a macro.
12169 (eval_if_expression): Set only_seen_white to 0 before calling
12170 cpp_parse_expr. Call skip_rest_of_line after it returns.
12171 (cpp_read_check_assertion): Don't preserve a pointer into the
12172 token buffer across a call to cpp_get_token.
12174 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12175 * cppfiles.c (redundant_include_p): Use cpp_defined.
12176 * cpphash.c (free_definition): New function.
12177 (delete_macro): Use it. Update commentary.
12178 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12180 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12181 from enum node_type. Prototype cpp_defined and get_directive_token.
12182 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12184 * fix-header.c (check_macro_names): Use cpp_defined.
12185 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12186 the options structure.
12188 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12190 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12192 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12194 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12195 rather than die->die_tag.
12197 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12199 * combine.c (make_extraction, force_to_mode): Avoid warning on
12200 mixed-signedness conditionals.
12201 (make_field_assignment, nonzero_bits): Likewise.
12202 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12203 (store_split_bit_field, extract_split_bit_field): Likewise.
12204 (extract_fixed_bit_field, store_bit_field,
12205 * expr.c: Change alignment to be unsigned everywhere.
12206 (move_by_pieces, store_constructor_field, store_constructor):
12207 Alignment parm is unsigned.
12208 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12209 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12210 (do_compare_rtx_and_jump): Likewise.
12211 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12212 Compare align with GET_MODE_ALIGNMENT.
12213 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12214 (get_inner_reference): Likewise.
12215 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12216 (expand_assignment): Local vars for alignment now unsigned.
12217 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12218 (do_compare_and_jump): Likewise.
12219 (store_field): Call new function expr_align.
12220 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12221 Alignment arg now unsigned.
12222 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12223 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12224 (extract_bit_field): Likewise.
12225 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12226 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12227 (get_best_mode): Alignment arg is unsigned.
12228 * rtl.h (move_by_pieces): Likewise.
12229 * store-layout.c (maximum_field_alignment, set_alignment):
12231 (layout_decl): Alignment arg is now unsigned.
12232 Remove unneeded casts.
12233 (layout_record, layout_union, layout_type): Remove unneeded casts.
12234 Local alignment variables now unsigned.
12235 (get_best_mode): Alignment arg now unsigned.
12236 * tree.c (expr_align): New function.
12237 * tree.h (expr_align): Likewise.
12238 (maximum_field_alignment, set_alignment): Now unsigned.
12239 (get_inner_reference): Alignment argument is now pointer to unsigned.
12240 * varasm.c (assemble_variable): Add cast to eliminate warning.
12242 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12244 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12245 then store directly into op0.
12247 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12248 the CALL_INSN, and emit the note immediately after it.
12250 2000-02-10 Nick Clifton <nickc@cygnus.com>
12252 * config/arm/thumb.md (epilogue): Include a (return) in the
12253 generated insn, and emit it using emit_jump_insn not
12256 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12258 * function.c (assign_temp): Change zero-sized arrays to size 1.
12259 * integrate.c (expand_inline_function): Do not update
12260 stack_alignment_needed
12261 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12262 add some sanity checking, remove optimization for function with
12265 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12267 * flow.c (mark_regs_live_at_end): Delete unused variables.
12269 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12271 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12272 in macro FRAME_GROWS_DOWNWARD.
12274 * stmt.c (expand_end_bindings): Delete unused variable.
12276 * unroll.c (iteration_info): Mark parameter `loop' with
12279 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12281 * fixinc/server.c (load_data): Return NULL if the marker line is
12283 (run_shell): If load_data returns NULL, retry the command once, in
12286 * configure: Rebuilt.
12288 2000-02-09 Bruce Korb <bkorb@gnu.org>
12290 * gcc/fixincludes: ** DELETED **
12291 * gcc/fixcpp: ** DELETED **
12292 * gcc/fixinc-nt.sed: ** DELETED **
12293 * gcc/just-fixinc: ** DELETED **
12294 * gcc/Makefile.in: Removed out-dated commentary
12295 * gcc/configure.in: Removed fast-fixincludes disablement.
12296 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12298 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12299 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12302 2000-02-09 Richard Henderson <rth@cygnus.com>
12304 * jump.c (delete_insn): Don't delete user labels at -O0.
12306 2000-02-09 Robert Lipe <robertl@sco.com>
12308 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12309 Don't link with HOST_LIBS.
12311 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12313 * configure.in: Correct --help text for --with-dwarf2.
12314 Put tm-dwarf2.h after other tm files, if it's requested.
12315 * configure: Regenerate.
12316 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12319 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12321 * cpplib.h: Provide HASHNODE typedef and forward decl of
12322 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12323 DEFINITION, struct hashnode, struct macrodef, struct
12324 definition, scan_decls prototype, default defn of
12325 INCLUDE_LEN_FUDGE moved elsewhere.
12327 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12328 definition, and struct hashnode moved here. Remove the unused
12329 'predefined' field from struct definition. Replace the 'args'
12330 union with its sole member. All users updated (cpphash.c).
12331 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12332 multiple include guard.
12334 * cpphash.c (hashf): Make static; use better algorithm; drop
12335 HASHSIZE parameter; return an unsigned int.
12336 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12337 used. Calculate HASHSIZE modulus here.
12338 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12340 (create_definition): Drop PREDEFINITION parameter.
12341 * cpplib.c (do_define): Don't calculate a hash value here.
12342 Don't pass (keyword == NULL) to create_definition.
12344 * scan.h: Prototype scan_decls here.
12345 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12346 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12347 callers of cpp_lookup and cpp_install updated.
12349 * cpphash.c (macarg): Hoist all the flag diddling out of the
12351 (macroexpand): ... and out of the loop that calls macarg.
12352 Skip over the initial paren before macro arguments with
12353 cpp_get_non_space_token; point may be some distance before
12354 that paren. Abort if it's not there.
12356 * cpplib.c (parse_clear_mark): Delete function.
12357 (parse_set_mark, parse_goto_mark): Make static.
12358 (ACTIVE_MARK_P): New macro.
12359 (skip_block_comment, skip_line_comment): Do not bump the line
12360 if ACTIVE_MARK_P is true.
12361 (cpp_pop_buffer): The buffer to be popped may not have an
12363 (cpp_get_token): When looking for the initial paren before
12364 macro arguments, only set a mark in a file buffer, Always
12365 return to that mark before proceeding to call macroexpand or
12366 return a NAME token.
12368 * cpplib.h: Remove prototypes of parse_set_mark,
12369 parse_clear_mark, parse_goto_mark.
12370 (struct cpp_options): Rename 'put_out_comments' to
12371 'discard_comments' and invert its sense.
12372 * cppinit.c, cpphash.c, cpplib.c: All users of
12373 put_out_comments changed to use discard_comments, with
12376 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12378 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12379 the edge from a block that both jumps and falls through to the
12382 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12384 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12385 constant source address is legitimate.
12387 2000-02-09 Philip Blundell <pb@futuretv.com>
12389 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12392 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12394 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12396 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12398 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12399 ends with a newline and a NUL. Don't be so clever manipulating
12402 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12404 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12405 not to BIGGEST_ALIGNMENT.
12407 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12409 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12410 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12411 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12412 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12413 * frame.c (execute_cfa_insn): Handle
12414 DW_CFA_GNU_negative_offset_extended.
12416 2000-02-08 Richard Henderson <rth@cygnus.com>
12418 * flow.c (tidy_fallthru_edges): Split out from ...
12419 (delete_unreachable_blocks): ... here.
12420 (find_basic_blocks): Use it.
12422 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12424 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12426 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12428 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12429 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12430 (fix-header.o): Don't depend on cpphash.h.
12432 * scan.c (hashstr): New function.
12433 * scan.h: Prototype it.
12434 * fix-header.c: Don't include cpphash.h. Use hashstr.
12435 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12436 hashstr. Report hash table statistics. Add private
12437 definition of xrealloc.
12439 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12441 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12443 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12445 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12446 jumps with returns unless they are jumps to the fallthru block.
12448 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12450 * i386.md (addqi3_cc): Fix contraints.
12452 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12454 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12456 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12458 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12459 carriage return after a macro name.
12461 2000-02-07 Fred Fish <fnf@be.com>
12463 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12464 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12466 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12468 * cppfiles.c (deps_output): Count spacers in deps_column.
12470 2000-02-07 Neil Booth <NeilB@earthling.net>
12472 * cppinit.c (initialize_dependency_output): If there is no
12473 suffix, don't try to look for known suffixes. Use strrchr.
12474 (cpp_start_read): Remove duplicate initialization.
12476 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12478 * calls.c (compute_argument_block_size): New argument
12479 preferred_stack_boundary.
12480 (expand_call): update cfun->preferred_stack_boundary, update call of
12481 compute_argument_block_size
12482 (emit_library_call): Increate cfun->preferred_stack_boundary
12483 to PREFERRED_STACK_BOUNDARY
12484 (emit_library_call_value): Likewise.
12485 * explow.c (allocate_dynamic_stack_spave): Likewise.
12486 * function.c (prepare_function_start): Set
12487 cfun->preferred_stack_boundary
12488 * function.h (struct function): Add preferred_stack_boundary field.
12489 * integrate.c (expand_inline_function): Update
12490 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12491 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12492 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12494 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12496 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12497 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12498 cpp_pedwarn, cpp_pedwarn_with_line,
12499 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12500 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12501 v_cpp_error_with_line, v_cpp_warning_with_line,
12502 cpp_message_from_errno, cpp_perror_with_name): Delete.
12504 * cpperror.c (cpp_print_containing_files): Take starting
12505 buffer as argument.
12506 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12507 (v_cpp_message): Now called directly by all entry points.
12509 (cpp_pfatal_with_name, cpp_message): Delete.
12510 (cpp_notice_from_errno, cpp_ice): New functions.
12511 (cpp_notice): Is now for reporting error conditions, just
12512 without an associated file.
12513 (cpp_error, cpp_error_with_line): Don't do anything if
12514 opts->inhibit_errors is on.
12515 (cpp_pedwarn_with_file_and_line): Take column argument also.
12517 * cpplib.h: Update prototypes of exported functions.
12518 (struct cpp_options): Add inhibit_errors.
12520 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12521 non-error messages. Include intl.h.
12523 * cppinit.c, cppmain.c: Likewise. Also, use
12524 cpp_notice_from_errno instead of cpp_perror_with_name or
12525 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12527 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12528 report internal errors.
12530 * cpplib.c (do_define): Switch bcopy to memcpy.
12531 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12533 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12534 bail out early if we hit a line comment.
12536 2000-02-06 Richard Henderson <rth@cygnus.com>
12538 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12539 * basic-block.h: Declare them.
12540 * emit-rtl.h (active_insn_p): New.
12541 (next_active_insn, prev_active_insn): Use it.
12542 * rtl.h: Declare it.
12543 * function.c (emit_return_into_block): New.
12544 (thread_prologue_and_epilogue_insns): Insert return insns instead
12545 of epilogues when possible.
12546 * jump.c (jump_optimize_1): Remove code to insert a return insn
12547 on the fallthru to the exit block.
12549 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12550 and for non-empty stack frames.
12551 * i386.md (return): Expand to return-pop as needed.
12553 2000-02-06 Richard Henderson <rth@cygnus.com>
12555 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12556 constant to op1 for testing.
12558 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12560 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12561 (fixuns_truncqfqi2): Use it.
12563 2000-02-06 Richard Henderson <rth@cygnus.com>
12565 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12566 as a TYPE_LEA insn.
12568 * i386.md (widening and peepholes): Mask the constant instead of
12571 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12573 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12574 input pointer before possibly branching off to the backslash
12576 * cpphash.c (macroexpand): Correctly delete \r escapes when
12577 stringifying parameters.
12578 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12579 if we can; bail out early if we hit a line comment.
12580 (handle_directive): Treat '# 123' in an .S file just like
12581 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12582 Return 1 for '# not_a_directive'.
12583 (get_directive_token): Pop macro buffers here, so that
12584 cpp_get_token can't sneakily move past a newline.
12586 (cpp_get_token): goto randomchar if handle_directive returns 0.
12588 * cppalloc.c: Update copyright.
12589 * cpplib.c: Merge all the static function prototypes into one
12591 * cpplib.h: Remove #if 0 block.
12593 * cpperror.c: Remove #ifdef EMACS block.
12594 * cppmain.c: Likewise.
12595 * cpphash.c: Remove #if 0 blocks.
12596 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12597 * cpplib.c: Remove #if 0 blocks and code referencing
12598 pcp_inside_if or for_lint. Remove duplicate error message.
12599 Fix error messages for #else after #else or #elif. Reformat.
12600 Remove archaic TODO list.
12601 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12603 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12605 * i386/osf1elf.h: Add missing backslash to multiline string.
12607 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12609 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12611 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12613 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12615 * c-common.c: Include expr.h.
12617 * c-pragma.c (mark_align_stack): Add prototype.
12619 * caller-save.c (add_stored_regs): Likewise.
12621 * combine.c (record_promoted_value): Likewise.
12623 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12626 * cppinit.c (new_pending_define): Likewise.
12628 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12630 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12631 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12632 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12633 class_scope_p): Likewise.
12635 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12636 dwarf2out_add_library_unit_info): Likewise.
12638 * ggc.h (ggc_page_print_statistics): Likewise.
12640 * haifa-sched.c (propagate_deps): Likewise.
12642 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12644 * rtl.h (set_stack_check_libfunc): Likewise.
12646 * toplev.h (set_fatal_function): Likewise.
12648 * toplev.c (set_fatal_function): Delete prototype.
12650 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12652 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12654 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12655 (FUNC_END): Likewise.
12657 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12659 * caller-save.c: Include tm_p.h.
12661 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12663 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12665 2000-02-04 Neil Booth <NeilB@earthling.net>
12667 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12670 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12672 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12673 * genflags.c: Use the max_operand_1 logic from genemit.c to
12674 calculate how many arguments gen_insn prototypes have. Remove
12675 NO_MD_PROTOTYPES ifdefs from the generated file.
12676 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12677 file. Cast gen_insn initializers to insn_gen_fn.
12678 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12679 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12681 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12683 * fixinc/Makefile.in (HDR): Add machname.h.
12686 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12688 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12689 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12690 (c4x_cpu_version): Ditto.
12691 * config/c4x/c4x-protos.h: ... here.
12693 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12695 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12696 gen_abstract_function on our context if we're a nested function.
12698 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12700 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12701 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12703 2000-02-04 Bruce Korb <bkorb@gnu.org>
12705 * fixinc/genfixes(machname.h):
12706 Move the functionality from gen-machine.h into this file.
12707 UNdef MN_NAME_PAT if there are no names to change.
12708 Also, be a little kinder when AutoGen is not present.
12710 * fixinc/Makefile.in(machname.h):
12711 Change the generation rule to use genfixes.
12713 * fixinc/fixfixes.c(machine_name):
12714 machine_name_fix's functionality now dependent upon whether
12715 MN_NAME_PAT is defined.
12717 * fixinc/fixtests.c(machine_name):
12720 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12723 * fixinc/fixlib.h(mn_get_regexps):
12726 * fixinc/gen-machine.h: DELETED
12728 2000-02-04 Jan Hubicka <jh@suse.cz>
12729 Richard Henderson <rth@cygnus.com>
12731 * i386.c (SAVE_REGS_FIRST): Remove.
12732 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12733 (ix86_compute_frame_size): Likewise.
12734 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12735 (ix86_emit_restore_regs): Remove.
12736 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12737 when a frame pointer is in use.
12738 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12739 instead of pop to restore a register when profitable; emit leave
12741 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12742 as a TYPE_LEA insn.
12743 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12744 * i386.md (prologue_allocate_stack): Remove.
12745 (epilogue_deallocate_stack): Remove.
12746 (pro_epilogue_adjust_stack): New.
12748 2000-02-04 Richard Henderson <rth@cygnus.com>
12750 * function.c (diddle_return_value): Rework to use a callback function.
12751 Use current_function_return_rtx if it's been set up.
12752 (do_clobber_return_reg, clobber_return_register): New.
12753 (do_use_return_reg, use_return_register): New.
12754 (expand_function_end): Use them.
12755 * stmt.c (expand_null_return): Likewise.
12756 * function.h: Declare them.
12757 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12758 (mark_reg): Change arguments as appropriate for callback.
12759 * integrate.c (expand_inline_function): Revert 19 Jan change.
12761 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12763 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12764 (Misc): Say the scheduler, not the Haifa scheduler.
12766 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12768 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12769 when in_mem is set. Update all callers.
12771 2000-02-04 Richard Henderson <rth@cygnus.com>
12773 * i386/openbsd.h (INT_ASM_OP): Define.
12775 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12777 * tm.texi: Fix various typos.
12779 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12781 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12782 (MD_STARTFILE_PREFIX_1): New macro.
12784 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12786 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12787 destination when needed.
12788 (strmovsi, strsetsi): New expander.
12789 (strmovsi_1, strsetsi_1): New pattern.
12790 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12791 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12792 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12793 * invoke.texi (align-stringops, inline-all-stringops): Document.
12795 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12797 * i386/netbsd.h (INT_ASM_OP): Define.
12799 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12801 * cpplib.h (cpp_reader): Add new flag, no_directives.
12802 * cpphash.c (macarg): Set it.
12803 * cpplib.c (handle_directive): If no_directives is on and we
12804 find a directive, issue an error and discard the line.
12806 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12808 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12809 FP constants. Add ! TARGET_FPU check for FP constants.
12811 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12813 * flow.c (find_basic_blocks): Don't kill label_value_list
12815 (cleanup_cfg): Kill it here.
12817 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12819 * expr.c (store_field): Ensure ALIGN is no stricter than the
12822 2000-02-02 Richard Henderson <rth@cygnus.com>
12824 * jump.c (delete_insn): Partially revert 19 Jan change;
12825 don't convert unused code labels to notes at -O0.
12827 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12829 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12830 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12832 2000-02-01 Richard Henderson <rth@cygnus.com>
12834 * i386.c (general_no_elim_operand): New.
12835 (nonmemory_no_elim_operand): New.
12836 (ix86_expand_move): Copy eliminable operands before a push.
12837 * i386-protos.h: Declare new functions.
12838 * i386.h (CAN_ELIMINATE): Simplify.
12839 (PREDICATE_CODES): Update.
12840 * i386.md (push insns): Don't allow eliminable register operands.
12842 2000-02-01 Richard Henderson <rth@cygnus.com>
12844 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12845 replace BLKmode with DECL_RTL's mode.
12847 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12849 * frame.c (find_fde): Convert for loop to do-while so compiler
12850 sees it's always executed at least once.
12851 * libgcc2.c (BBINBUFSIZE): Kill.
12852 (__bb_init_prg): Use fgets.
12853 (__bb_exit_trace_func): Don't paste strings.
12854 * unroll.c (unroll_loop): Initialize unroll_type, not
12855 unroll_number, and tweak logic to match.
12857 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12859 (ix86_flags_dependant): Likewise. Disentangle control flow.
12860 (ix86_sched_reorder): Break guts out to
12861 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12862 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12865 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12866 use string concatenation. Don't save and restore esi.
12868 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12869 (machname.h): Remove script to separate file. Use two-step
12870 sequence so target is not created if script fails.
12871 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12872 identifiers are defined.
12873 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12874 an empty string, machine_name doesn't need to do anything at
12876 (is_cxx_header): Add more cases to regexp.
12877 * fixinc/fixlib.h: Update prototype.
12878 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12880 * fixinc/fixincl.c: Define NO_BOGOSITY.
12882 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12883 (hp_sysfile): Add missing comma.
12884 (math_exception): Put the wrapper ifdefs at the beginning and
12885 the end of the file.
12886 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12888 2000-02-01 Richard Henderson <rth@cygnus.com>
12890 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12891 Use CONST0_RTX. Update all callers.
12892 * sparc.h, sparc-protos.h: Update accordingly.
12893 * sparc.md (fp mov insns): Use fp_zero_operand directly
12896 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12898 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12901 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12903 * Makefile.in (specs.ready): New target.
12904 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12906 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12908 * fixinc.irix: Use unique filenames for writing into /tmp,
12909 * fixinc.ptx: Likewise.
12910 * fixinc.sco: Likewise.
12911 * fixinc.svr4: Likewise.
12912 * fixinc.winnt: Likewise.
12914 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12916 * tsystem.h: New file.
12918 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12919 s-crtS): Depend on tsystem.h.
12921 * crtstuff.c: Include tsystem.h.
12922 * frame.c: Likewise.
12923 * libgcc2.c: Likewise.
12925 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12927 * builtins.c (expand_builtin_memset): Expand for variable sized
12930 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12932 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12935 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12937 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12939 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12941 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12943 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12944 case 3->2 combining (combining with splitting) in which 2 is CC0
12945 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12946 checked at the begining of the function with the aid of calling
12947 function 'can_combine_p'.
12949 2000-01-31 Dave Brolley <brolley@redhat.com>
12951 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12953 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12955 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12958 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12960 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12962 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12965 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12967 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12968 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12969 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12970 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12971 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12972 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12973 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12974 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12975 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12976 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12978 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12979 Add %(cpp_cpu) to CPP_SPEC.
12981 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12982 Add %(cc1_cpu) to CC1_SPEC.
12984 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12986 * c-decl.c (c_decode_option): Accept optional numeric argument to
12987 -Wformat and set warn_format.
12988 * c-common.c: Don't emit warning about non-constant printf format
12989 string unless warn_format > 1.
12991 2000-01-30 Richard Henderson <rth@cygnus.com>
12993 * alpha.md (return_internal): Allow after reload only.
12995 2000-01-30 Richard Henderson <rth@cygnus.com>
12997 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12998 local frame size is zero.
13000 2000-01-30 Richard Henderson <rth@cygnus.com>
13002 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
13003 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
13004 * alpha.md (return): Turn into an expander.
13005 (return_internal): Don't use $26.
13006 (epilogue): Emit the return insn.
13008 2000-01-30 Richard Henderson <rth@cygnus.com>
13010 * alpha.md (negtf2, abstf2): Fix word order thinko.
13011 (extendsftf2): New.
13012 (trunctfsf2): Avoid intermediate rounding errors.
13014 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13016 * cppfiles.c (find_position): Drop 'colp' argument, return the
13018 (read_and_prescan): Adjust to match. Don't ever manipulate
13019 line or line_base except via find_position.
13021 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13023 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13024 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13027 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13029 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13030 just print "<command line>". If 'filename' is null or an
13031 empty string, print "<stdin>" for the filename.
13032 * cpplib.c (do_define): Don't print the 'location of the
13033 previous definition' message if we're still parsing the
13035 (cpp_pedwarn_with_file_and_line): Always call
13036 cpp_file_line_for_message.
13038 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13040 * flow.c (mark_regs_live_at_end): Fix typo.
13042 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13044 * c-common.c: Adjust variable names, comments, help strings to c99.
13045 * c-lex.c: Likewise.
13046 * c-parse.y: Likewise.
13047 * c-tree.h: Likewise.
13048 * cccp.c: Likewise.
13049 * cpplib.h: Likewise.
13050 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13051 * cppinit.c: Likewise.
13053 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13055 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13056 * c4x.c: Define the optab rtx values.
13057 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13058 (c4x_emit_libcall): Use new optab rtx values.
13059 (c4x_emit_libcall3): Likewise.
13060 (c4x_emit_libcall_mulhi): Likewise.
13061 * c4x-protos.h: Add prototypes for optab rtx values and change
13062 prototypes for above c4x_emit_libcall functions.
13064 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13066 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13068 (c4x_function_prologue): Use regnames intead of float_reg_names when
13070 (c4x_function_epilogue): Likewise.
13071 (c4x_print_operand): Likewise.
13072 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13073 * c4x.md (set_high): Disable for TARGET_TI.
13075 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13077 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13078 of framepointer + constant to ADDR_REGS class.
13079 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13080 * c4x.c (std_or_reg_operand): New function.
13081 * c4x-protos.h (std_or_reg_operand): Prototype it.
13083 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13085 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13086 object names as libgcc2.c.
13087 * libgcc.S: Use newly defined names.
13089 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13090 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13092 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13093 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13094 (FLOW_LOOP_LAST_BLOCK): Likewise.
13096 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13098 * basic-block.h (struct loop): New fields 'first' and 'last'.
13099 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13100 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13101 and loop->last to check for NOTE_INSN_LOOP_END.
13103 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13105 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13106 of the loop descriptor rather than HEADER and LATCH. Also added
13107 missing break statements as well making some coding style modifications
13108 as suggested by Michael Hayes.
13110 2000-01-28 Richard Henderson <rth@cygnus.com>
13112 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13113 Break out that code ...
13114 (cleanup_cfg): ... here.
13115 (commit_one_edge_insertion): Detect a return instruction being
13116 emitted to an edge. Emit a barrier following; clear fallthru.
13117 (commit_edge_insertions): Verify CFG consistency.
13118 * function.c (expand_function_start): Kill unused variable.
13119 (expand_function_end): Likewise.
13120 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13121 to insert the epilogue.
13123 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13124 (delete_null_pointer_checks): Likewise.
13125 * output.h: Likewise.
13126 * reg-stack.c (reg_to_stack): Likewise.
13127 * toplev.c (rest_of_compilation): Likewise. Run
13128 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13130 2000-01-28 Richard Henderson <rth@cygnus.com>
13132 * Makefile.in (flow.o): Revert 24 Jan change.
13133 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13134 FUNCTION_VALUE result to DECL_RESULT's mode.
13136 * haifa-sched.c (schedule_insns): Don't recompute reg info
13139 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13141 * configure.in: Make --enable-cpplib the default.
13142 * configure: Regenerate.
13143 * gcc.dg/990119-1.c: No longer expected to fail.
13145 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13147 * jump.c (jump_optimize_1): Delete an optimization that is also done
13148 by merge_blocks in flow.
13150 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13152 * diagnostic.c (build_message_string, output_printf,
13153 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13154 (build_location_prefix): Fix non-literal format string.
13156 2000-01-27 Richard Henderson <rth@cygnus.com>
13158 * alpha.md (trunctfsf2): New.
13160 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13162 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13164 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13166 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13168 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13170 (skip_comment) ... here. Permit C++ comments in system
13171 headers always. Warn about C++ comments in user code under
13172 -std=gnu89 -pedantic.
13173 (copy_comment): Use skip_comment.
13174 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13176 (consider_directive_while_skipping, do_else, do_endif): Call
13177 validate_else unconditionally.
13178 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13179 text after the conditional in a system header.
13180 * cpplib.h (struct cpp_buffer): Add flag
13181 warned_cplusplus_comments.
13183 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13185 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13186 Use unshare_all_rtl_1.
13187 (unshare_all_rtl_again): New function.
13188 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13190 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13191 rather than resetting the 'used' flags ourself.
13193 * toplev.c (rest_of_compilation): Add current_function_decl
13194 to the unshare_all_rtl call.
13195 * tree.h: Prototype unshare_all_rtl.
13196 * rtl.h: Prototype unshare_all_rtl_again here.
13198 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13200 * genoutput.c (output_prologue): Include ggc.h in generated
13202 * Makefile.in (insn-output.o): Depends on ggc.h.
13204 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13205 Hans-Peter Nilsson <hp@bitrange.com>
13207 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13208 Remove redundant include of xm-ns32k.h.
13209 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13210 Remove redundant include of xm-ns32k.h.
13211 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13212 Remove redundant include of xm-ns32k.h.
13213 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13215 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13216 (TARGET_SWITCHES): Add documentation strings.
13217 (DWARF_FRAME_REGNUM): Override default definition.
13218 (REG_CLASS_CONTENTS): Add comments.
13219 (SUBSET_P): Format to reduce line length.
13220 (SMALL_REGISTER_CLASSES): Make a run time option.
13221 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13222 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13223 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13224 (regclass_map): fix typo in comment.
13225 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13226 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13227 (trace, reg_or_mem_operand): Delete, unused function.
13228 (calc_address_cost): Small offsets are cheaper than large ones.
13229 (expand_block_move): Generate more efficient code when bytes is a
13230 known at compile time.
13231 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13232 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13233 instead of reg_or_mem_operand.
13235 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13236 not general_operand. Similarly use "=rm" or stricter, not "=g".
13237 For input operands, use stricter constraints than "g" if not
13238 general_operand. Similarly use stricter predicate than
13239 "general_operand" when stricter constraints than "g" are present,
13240 except for matching constraints.
13241 (movstrsi): Use "memory_operand" for operands 0 and 1.
13242 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13243 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13244 not reg_or_mem_operand.
13245 (udivmoddisi4): Ditto.
13246 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13247 Use nonimmediate_operand for operand 3, not register_operand.
13248 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13249 reg_or_mem_operand.
13251 2000-01-27 Fred Fish <fnf@be.com>
13253 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13254 * gthr-single.h: Likewise.
13255 * gthr-solaris.h: Likewise.
13256 * gthr-vxworks.h: Likewise.
13257 * gthr-win32.h: Likewise.
13258 * gthr.h: Likewise.
13260 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13262 * cppinit.c: Add " (cpplib)" to end of string printed by
13265 2000-01-27 Richard Henderson <rth@cygnus.com>
13267 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13268 testing for a signed comparison.
13269 (alpha_emit_floatuns): New.
13270 * alpha-protos.h: Declare it.
13271 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13272 (extendsfdf2): Tidy.
13274 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13276 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13277 no -g option specifying debugging format, default to -gstabs+.
13279 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13281 * calls.c (special_function_p): New argument fork_or_exec.
13282 (expand_call): When profile_arc_flag is set and the function
13283 is in the fork_or_exec group, call __bb_fork_func first.
13284 * libgcc2.c, _bb module (__bb_fork_func): New function.
13285 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13287 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13288 * tree.h (special_function_p): Update prototype.
13290 2000-01-26 Richard Henderson <rth@cygnus.com>
13292 * alpha.c (alpha_split_tfmode_pair): New.
13293 * alpha-protos.h: Declare it.
13294 * alpha.md (abstf2, negtf2): New.
13295 (movtf insn): Add input G constraint.
13296 (movtf splitter): Use alpha_split_tfmode_pair.
13298 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13300 * i386/cygwin.h: PROTO -> PARAMS.
13302 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13304 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13305 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13306 using _Qp_cmp/_Q_cmp and testing the return value.
13307 (print_operand): Call reverse_condition_maybe_unordered if
13308 we are handling CCFPmode or CCFPEmode.
13309 Handle ORDERED, UN* and LTGT comparisons.
13310 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13311 if not TARGET_HARD_QUAD.
13312 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13313 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13314 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13315 Adjust gen_b* calls so that they reflect return comparison of
13316 sparc_emit_float_lib_cmp.
13318 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13320 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13321 incoming operands array is large enough for one more operand.
13322 (alpha_emit_xfloating_arith): Likewise.
13324 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13326 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13327 file with one line and no trailing newline.
13328 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13329 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13330 checking if the match is on the line.
13331 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13333 2000-01-25 Richard Henderson <rth@cygnus.com>
13335 * sparc.c (output_cbranch): Fix accidental squashing of the
13336 fp branch pre-delay nop.
13338 2000-01-25 Richard Henderson <rth@cygnus.com>
13340 * tree.def (UNNE_EXPR): Remove.
13341 * c-typeck.c (build_binary_op): Don't handle it.
13342 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13344 * rtl.def (UNNE): Remove.
13346 * jump.c (reverse_condition): Update accordingly.
13347 (swap_condition): Likewise.
13348 (comparison_dominates_p): Handle unordered comparisons.
13349 (reverse_condition_maybe_unordered): New.
13350 * rtl.h (reverse_condition_maybe_unordered): Declare.
13352 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13353 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13354 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13355 * sparc.md (bltgt): New.
13357 2000-01-25 Nick Clifton <nickc@redhat.com>
13359 * emit-rtl.c (emit_insn): Only check machine class insns for
13360 improper emission of a RETURN.
13362 2000-01-25 Richard Henderson <rth@cygnus.com>
13364 * Makefile.in (flow.o): Depend on $(EXPR_H).
13365 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13366 duplicate the structure of diddle_return_value for keeping regs live.
13368 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13370 * loop.c (current_loop_info): Delete.
13371 (consec_sets_invariant_p): Add loop argument, update callers.
13372 (get_condition_for_loop): Likewise.
13373 (count_nonfixed_reads, update_giv_derive): Likewise.
13374 (simplify_giv_expr, general_induction_var): Likewise.
13375 (consec_sets_giv, recombine_givs): Likewise.
13376 (move_movables): Delete loop_start and loop_end arguments,
13377 add loop argument, and update callers.
13378 (find_mem_givs, check_final_value): Likewise.
13379 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13380 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13382 (basic_induction_var): Add loop argument, delete loop_level argument,
13383 and update callers.
13384 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13385 add loop argument, and update callers.
13386 (find_splittable_regs, find_splittable_givs): Likewise.
13387 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13388 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13389 (biv_total_increment): Delete loop_start and loop_end arguments;
13391 (precondition_loop_p): Delete loop_start and loop_info arguments;
13393 * loop.h (get_condition_for_loop): Add loop argument.
13394 (biv_total_increment): Delete loop_start and loop_end arguments.
13395 (precondition_loop_p): Delete loop_start and loop_info arguments;
13397 (final_biv_value): Delete loop_start and loop_end arguments;
13399 (final_giv_value, back_branch_in_range_p): Likewise.
13401 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13403 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13405 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13407 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13408 point to the new "generated_files" doc.
13410 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13412 * config/fp-bit.c (_unord_f2): Fix typo.
13414 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13416 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13417 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13418 functions obsoleted by GC, such as push_obstacks_nochange,
13419 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13420 and code which existed only to decide whether or not to call
13421 them. Remove now-unused NESTED argument from start_function;
13422 all callers changed. Do not change behavior based on ggc_p.
13423 The use of the ixp_obstack in c-iterate.c and the util_obstack
13424 in objc/objc-act.c remain; these are not obsoleted by garbage
13426 * c-tree.h: Update prototype for start_function.
13428 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13430 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13432 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13435 2000-01-25 Richard Henderson <rth@cygnus.com>
13437 * sparc-protos.h (select_cc_mode): Declare.
13438 * sparc.c (select_cc_mode): New. Handle unordered compares.
13439 (output_cbranch): Always reverse via code change. Handle
13440 unordered compares. Factor tests and string updates.
13441 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13442 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13443 * sparc.md (bunordered, bordered): New.
13444 (bungt, bunlt, buneq, bunge, bunle): New.
13446 2000-01-25 Richard Henderson <rth@cygnus.com>
13448 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13449 * ggc-common.c (ggc_add_rtx_varray_root): New.
13450 (ggc_mark_rtx_varray): New.
13451 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13452 functions down below ggc_mark_foo.
13453 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13455 2000-01-25 Richard Henderson <rth@cygnus.com>
13457 * alpha.c (secondary_reload_class): Don't allocate a secondary
13458 for integral mode memories into FLOAT_REGS. Rearrange the more
13459 complicated memory expression inward.
13461 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13463 * inclhack.def: Fixes to play nicer with FreeBSD, and
13464 corrections to comments.
13465 (cxx_unready): Add select expression.
13466 (irix_sockaddr): Add bypass expression.
13467 (machine_ansi_h_va_list): New fix.
13468 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13469 Split out addition of "#include <stdarg.h>" to...
13470 (stdio_stdarg_h): ... here.
13471 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13472 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13473 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13475 (ultrix_ifdef): Tighten up select expression.
13477 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13478 re_ct and max_mach to avoid use of shell. Make printed names
13479 match names in inclhack.def. Use static copyright date.
13480 Don't count c_test and test expressions as requiring regex_t
13481 slots. Add some commentary.
13482 * inclhack.tpl: Do not include the 'This script contains N
13483 fixup scripts' line if PROGRAM is defined. Use static
13486 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13488 * dwarf2out.c: include "varray.h", not dyn-string.h.
13489 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13490 (addr_const_to_string, addr_to_string): Lose.
13491 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13492 (struct dw_val_struct): val_addr is now an rtx.
13493 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13494 (used_rtx_varray): New varray.
13495 (dwarf2out_init): Initialize it.
13496 (save_rtx): New fn.
13497 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13499 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13500 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13501 * Makefile.in (dwarf2out.o): Update dependencies.
13503 2000-01-24 Richard Henderson <rth@cygnus.com>
13505 * i386.c (i386_dwarf_output_addr_const): New.
13506 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13508 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13510 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13511 * i386.c (i386_simplify_dwarf_addr): New.
13512 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13514 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13516 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13517 TYPE_STUB_DECL is NULL.
13519 2000-01-24 Richard Henderson <rth@cygnus.com>
13521 * builtins.c (expand_tree_builtin): Move ...
13522 * c-common.c (expand_tree_builtin): ... here.
13524 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13526 * loop.h (LOOP_INFO): New accessor macro.
13527 * basic-block.h (struct loop): Rename field `info' to `aux'.
13528 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13529 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13530 * unroll.c (loop_iterations, unroll_loop): Likewise.
13532 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13534 * config/i386/t-cygwin: Accomodate new winsup directory layout
13535 when searching for include files.
13537 2000-01-24 Richard Henderson <rth@cygnus.com>
13539 * rtl.def: Add unordered fp comparisions.
13540 * tree.def: Likewise.
13541 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13543 * builtins.c (expand_tree_builtin): New function.
13544 * c-typeck.c (build_function_call): Use it.
13545 (build_binary_op): Support unordered compares.
13546 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13548 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13549 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13550 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13551 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13552 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13554 (swap_condition): Handle unordered compares.
13555 (thread_jumps): Check can_reverse before reversing.
13556 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13559 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13560 setcc is present before acking for cmp_optab. Update all callers.
13561 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13562 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13563 * expr.c (expand_expr): Likewise. Support unordered compares.
13564 (do_jump, do_store_flag): Likewise.
13565 * expr.h (enum libfunc_index): Add unordered compares.
13567 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13568 (DPBIT_FUNCS): Add _unord_df.
13569 * config/fp-bit.c (_unord_f2): New.
13570 * fp-test.c (main): Try unordered compare builtins.
13572 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13573 * alpha.c (alpha_comparison_operator): Check mode properly.
13574 (alpha_swapped_comparison_operator): Likewise.
13575 (signed_comparison_operator): Likewise.
13576 (alpha_fp_comparison_operator): New.
13577 (alpha_emit_conditional_branch): Handle unordered compares.
13578 * alpha.h (PREDICATE_CODES): Update.
13579 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13580 (bunordered, bordered): New.
13582 2000-01-24 Richard Henderson <rth@cygnus.com>
13584 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13585 * alpha.md (movtf): New expander, insn, and splitter.
13587 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13589 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13592 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13594 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13595 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13596 REG_ALLOC_ORDER): Add frame pointer
13597 (FRAME_POINTER_REGNUM): Set to 20
13598 (HARD_FRAME_POINTER_REGNUM): New macro.
13599 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13600 to HARD_FRAME_POINTER.
13601 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13602 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13603 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13604 (HI_REGISTER_NAMES): Add "frame".
13605 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13606 (debug_reg): Handle FRAME_POINTER_REGNUM.
13607 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13608 GENERAL_REGS and INDEX_REGS.
13609 * i386.c (SAVED_REGS_FIRST): new macro.
13610 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13611 (ix86_decompose_address, memory_address_length): Likewise.
13612 (regclass_map): Add frame pointer.
13613 (call_insn_operand): Handle frame_pointer_rtx.
13614 (reg_no_sp_operand): Likewise.
13615 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13616 (print_operand, legitimize_pic_address): Fix formating.
13617 (ix86_compute_frame_size): Make static, update prototype, new
13618 parameters padding1, padding2, use ix86_nsaved_regs, use
13619 stack_alignment_needed.
13620 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13621 to HARD_FRAME_POINTER_REGNUM conversions.
13622 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13623 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13624 (print_reg): Abort on FRAME_POINTER_REGNUM
13626 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13628 * i386.h (PREDICATE_CODES): Add aligned_operand.
13629 * i386.c (aligned_operand): New function.
13630 (ix86_aligned_p): Kill.
13631 * i386.md (movhi_1): Emit mov for aligned operands.
13632 (promoting peep2s): Use aligned_operand.
13634 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13636 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13637 expression to allow underscores in macro names.
13638 (fix_char_macro_defines): Increment scanning pointer.
13640 2000-01-23 Richard Henderson <rth@cygnus.com>
13642 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13643 * alpha/osf5.h: New file.
13644 * configure.in (alpha-*-osf5): Add it to tm_file.
13646 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13648 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13649 (alpha_emit_xfloating_cvt, function_arg): Declare.
13650 * alpha.c (alpha_emit_conditional_branch): Call
13651 alpha_emit_xfloating_compare for TFmode compares.
13652 (alpha_lookup_xfloating_lib_func): New.
13653 (alpha_compute_xfloating_mode_arg): New.
13654 (alpha_emit_xfloating_libcall): New.
13655 (alpha_emit_xfloating_arith): New.
13656 (alpha_emit_xfloating_compare): New.
13657 (alpha_emit_xfloating_cvt): New.
13658 (print_operand): Add default abort case.
13659 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13660 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13661 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13662 (RETURN_IN_MEMORY): True for TF/TCmode.
13663 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13664 (FUNCTION_ARG): Move to function_arg.
13665 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13666 (ASM_OUTPUT_LONG_DOUBLE): New.
13667 (ASM_OUTPUT_DOUBLE): Always output bits.
13668 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13669 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13670 (extenddftf2, trunctfdf2): New.
13672 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13674 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13675 * config/sparc/sol2.h: ... here.
13677 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13679 * basic-block.h (struct loops): New field `levels'.
13680 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13681 (flow_loop_level_compute): Initialise level to 1.
13682 (flow_loops_find): Set loops->levels.
13683 (flow_loops_dump): Print loops->levels.
13685 2000-01-23 Richard Henderson <rth@cygnus.com>
13687 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13688 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13690 2000-01-23 Richard Henderson <rth@cygnus.com>
13692 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13693 * i386.h (DBX_REGISTER_NUMBER): Use them.
13694 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13695 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13696 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13697 * i386/sequent.h: Kill incorrect comment.
13699 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13701 * ggc-page.c (struct page_entry): Make `context_depth' an
13703 (struct globals): Likewise.
13705 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13707 * loop.c (check_dbra_loop): When checking a loop for
13708 reversability, check the source of any stores to ensure
13709 they don't depend on an initial value.
13711 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13713 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13715 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13717 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13718 'pz_scan' into scope of entire function. Only affects
13719 compiles with -DDEBUG.
13721 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13723 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13724 section naming to that prior to 2000-01-07 patch.
13725 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13726 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13727 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13728 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13729 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13731 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13733 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13736 2000-01-21 Jim Wilson <wilson@cygnus.com>
13738 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13739 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13741 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13743 * cpphash.c (change_newlines): Delete function.
13744 (struct argdata): Delete 'newlines' and 'use_count' fields.
13745 (macroexpand): Remove code referencing those fields.
13747 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13749 * loop.c (loops_info): New variable.
13750 (loop_optimize): Allocate loops->array and free it on exit.
13751 Allocate memory for loops_info and assign to each loop,
13753 (find_and_verify_loops): Do not allocate loops->array.
13755 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13757 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13759 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13761 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13762 pseudos if expanded after first flow.
13763 (movdi_pic_label_ref): Likewise.
13765 2000-01-20 Richard Henderson <rth@cygnus.com>
13767 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13769 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13771 * Makefile.in (fixinc.sh): Depend on specs.
13772 * fixinc/Makefile.in: Add rule to create machname.h.
13773 (fixlib.o): Depend on machname.h.
13774 * fixinc/fixtests.c (machine_name): New test.
13775 * fixinc/fixfixes.c (machine_name): New fix.
13776 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13777 the machine_name test and fix.
13778 * fixinc/fixlib.h: Prototype it.
13779 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13780 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13782 * gcc.c (do_spec_1) [case P]: Take care not to create
13783 identifiers with three leading or trailing underscores.
13785 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13786 (fixincl): Don't specify libraries twice on link line.
13787 (gnu-regex.o): Remove special rule.
13788 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13789 defined by config.h. Do not define _REGEX_RE_COMP.
13790 (regcomp): Allocate and initialize a fastmap.
13791 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13793 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13795 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13797 2000-01-19 Richard Henderson <rth@cygnus.com>
13799 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13800 arguments with BB. Update all callers. Tidy line wrapping.
13802 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13804 * emit-rtl.c (try_split): Return last_insn if we split the
13807 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13809 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13810 (ix86_initial_elimination_offset): Declare.
13811 * i386.c (ix86_nsaved_regs): Break out from ...
13812 (ix86_can_use_return_insn_p): ... here.
13813 (ix86_emit_save_regs): Break out from ...
13814 (ix86_expand_prologue): ... here.
13815 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13817 (ix86_expand_epilogue): ... here.
13818 (ix86_compute_frame_size): Make static, add prototype.
13819 (ix86_initial_elimination_offset): Break out from ...
13820 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13822 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13824 * recog.h (OUT_FCN): Delete.
13826 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13828 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13830 * cppalloc.c: PROTO -> PARAMS.
13831 * cpperror.c: Likewise.
13832 * cppfiles.c: Likewise.
13833 * cpplib.c: Likewise.
13834 * cpplib.h: Likewise.
13836 * config/arm/arm-protos.h: PROTO -> PARAMS.
13837 * config/arm/arm.c: Likewise.
13838 * config/c4x/c4x.c: Likewise.
13839 * config/fr30/fr30-protos.h: Likewise.
13840 * config/nextstep.c: Likewise.
13841 * config/pa/pa.c: Likewise.
13842 * config/pj/pj.c: Likewise.
13843 * config/rs6000/rs6000.c: Likewise.
13844 * config/v850/v850-protos.h: Likewise.
13845 * config/v850/v850.c: Likewise.
13847 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13849 * i370-protos.h: New file.
13851 * i370.c: Include tm_p.h. Fix compile time warnings.
13853 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13856 * i370.md: Likewise.
13858 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13860 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13861 (target_isinf, target_isnan, eisnan): Mark parameter with
13863 (eiisinf): Wrap in INFINITY.
13864 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13865 (ibmtoe): Remove unused variable `rndsav'.
13867 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13869 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13870 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13872 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13874 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13875 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13876 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13878 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13879 Recognize Emacs mode markers also.
13880 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13881 C++ comments in C++ headers. Call is_cxx_header only if
13884 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13885 bypass for ncurses.
13886 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13887 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13888 ... these, which use the new C fixes.
13889 (math_exception): Escape literal '+' in bypass expression.
13891 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13894 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13896 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13899 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13901 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13902 prior to calling scan_loop.
13904 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13906 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13907 (split_branches, calc_live_regs): Likewise.
13909 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13911 * sh.md (fpu_single, fp_mode): New attributes.
13913 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13915 * loop.c (current_loop_info): Renamed from loop_info_data
13916 and changed to a pointer.
13917 (loop_optimize): Allocate loop_info structure for each loop
13918 and initialise to zero.
13919 (scan_loop): Set current_loop_info.
13921 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13924 2000-01-19 Richard Henderson <rth@cygnus.com>
13926 * stupid.c: Die die die.
13927 * Makefile.in (OBJS): Remove stupid.o.
13928 (stupid.o): Likewise.
13930 * except.c (emit_eh_context): Don't emit USEs for stupid.
13931 * explow.c (probe_stack_range): Likewise.
13932 * flags.h (obey_regdecls): Remove.
13933 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13934 when not optimizing.
13935 (life_analysis): Limit data collection when not optimizing.
13936 (mark_regs_live_at_end): Always mark the return value registers.
13937 (mark_used_regs): Remove dummy RETURN case.
13938 (print_rtl_with_bb): Don't consult obey_regdecls.
13939 * function.c (use_variable, use_variable_after): Remove.
13940 (assign_parms): Consult optimize not obey_regdecls.
13941 (expand_function_start): Don't emit USEs for stupid.
13942 (expand_function_end): Likewise.
13943 * global.c (build_insn_chain): Export.
13944 * integrate.c (expand_inline_function): Kill return-value USE
13946 * jump.c (jump_optimize_1): Do simple jump optimizations and
13947 dead code elimination.
13948 (calculate_can_reach_end): Remove check_deleted argument.
13949 (delete_insn): Patch out insns even when not optimizing.
13950 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13951 * rtl.h (use_variable, use_variable_after): Remove declarations.
13952 (build_insn_chain): Declare.
13953 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13954 (expand_end_bindings): Likewise.
13955 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13956 * toplev.c (obey_regdecls): Remove.
13957 (rest_of_compilation): Don't set it. Kill stupid in favour of
13958 flow1, local-alloc, and reload.
13959 (main): Don't set obey_regdecls.
13961 * config/nextstep.c (handle_pragma): Likewise.
13963 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13965 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13967 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13969 * alpha-protos.h: PROTO -> PARAMS.
13970 * alpha.c: Likewise.
13972 * h8300.c: Likewise.
13973 * i386-protos.h: Likewise.
13974 * i386.c: Likewise.
13975 * m32r-protos.h: Likewise.
13976 * m32r.c: Likewise.
13977 * mips.c: Likewise.
13978 * mips.md: Likewise.
13979 * gmon-sol2.c: Likewise.
13980 * sparc.c: Likewise.
13982 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13984 * ns32k-protos.h: New file.
13986 * ns32k.c: Fix compile time warnings.
13988 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13991 * ns32k.md: Likewise.
13993 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13995 * vax-protos.h: New file.
13997 * vax.c: Fix compile time warnings.
13999 * vax.h: Move prototypes to vax-protos.h. Fix compile time
14002 * vax.md: Likewise.
14004 * vaxv.md: Likewise.
14006 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14008 * romp-protos.h: New file.
14010 * romp.c: Fix compile time warnings.
14012 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14015 * romp.md: Likewise.
14017 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14019 * we32k-protos.h: New file.
14021 * we32k.c: Fix compile time warnings.
14023 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14026 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14028 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14030 * except.c (eh_regs): Likewise.
14032 * final.c (output_operand): Likewise.
14034 * fold-const.c (target_isinf, target_isnan): Likewise.
14036 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14038 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14039 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14041 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14042 when optimize_size.
14043 (clrstrsi): Rewrite.
14044 (strsethi, strsetqi): New expanders.
14045 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14046 (cmpstrsi): Emit compare insn before cmpstrsi_1
14047 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14048 (strlensi_1): Likewise.
14049 (cmpstrsi_1): Likewise; do not output compare.
14050 (strlen expander): Do not unroll when optimizing for size.
14051 (*subsi3_carry): Rename to subsi3_carry
14052 (addqi3_cc): New pattern.
14053 * i386.h (processor_costs): Add move_ratio field.
14054 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14055 * i386.c (*_cost): Set move_ratio.
14056 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14057 (x86_expand_strlensi_1): Rewrite the main loop.
14059 2000-01-17 Richard Henderson <rth@cygnus.com>
14061 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14062 * cse.c (find_comparison_args, fold_rtx): Likewise.
14063 * integrate.c (subst_constants): Likewise.
14064 * loop.c (get_condition): Likewise.
14066 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14068 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14070 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14072 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14073 (RESTORE_WARN_FLAGS): Unpack it.
14074 Change semantic type of extension to ttype.
14075 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14076 * c-parse.y, c-parse.c, objc/objc-parse.y,
14077 objc/objc-parse.c: Regenerate.
14079 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14081 * fixinc/fixlib.c: Add copyright notice.
14082 (compile_re): New function.
14083 * fixinc/fixlib.h: Prototype compile_re.
14085 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14086 Use compile_re to compile regular expressions.
14088 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14089 where the pattern matched.
14091 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14093 (ultrix_ansi_compat): Likewise.
14094 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14096 (interactv_add2, interactv_add3): Delete.
14097 (x11_sprintf): Don't use filename glob.
14098 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14101 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14103 * print-rtl.c: PROTO -> PARAMS.
14104 * real.c: Likewise.
14105 * reg-stack.c: Likewise.
14106 * resource.c: Likewise.
14107 * sdbout.h: Likewise.
14108 * simplify-rtx.c: Likewise.
14109 * stor-layout.c: Likewise.
14110 * stupid.c: Likewise.
14111 * xcoffout.c: Likewise.
14112 * xcoffout.h: Likewise.
14114 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14116 * toplev.c: PROTO -> PARAMS.
14117 * toplev.h: Likewise.
14118 * tree.c: Likewise.
14119 * tree.h: Likewise.
14120 * unroll.c: Likewise.
14121 * varasm.c: Likewise.
14122 * varray.c: Likewise.
14123 * varray.h: Likewise.
14125 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14127 * reload.c: PROTO -> PARAMS.
14128 * reload.h: Likewise.
14129 * reload1.c: Likewise.
14130 * reorg.c: Likewise.
14131 * resource.h: Likewise.
14134 * rtlanal.c: Likewise.
14135 * sbitmap.h: Likewise.
14136 * sdbout.c: Likewise.
14137 * stack.h: Likewise.
14138 * stmt.c: Likewise.
14139 * system.h: Likewise.
14141 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14143 * machmode.h: PROTO -> PARAMS.
14144 * mbchar.h: Likewise.
14145 * mips-tdump.c: Likewise.
14146 * mips-tfile.c: Likewise.
14147 * optabs.c: Likewise.
14148 * output.h: Likewise.
14149 * prefix.c: Likewise.
14150 * profile.c: Likewise.
14151 * protoize.c: Likewise.
14152 * real.h: Likewise.
14153 * recog.c: Likewise.
14154 * recog.h: Likewise.
14155 * regclass.c: Likewise.
14156 * regmove.c: Likewise.
14157 * regs.h: Likewise.
14159 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14161 * ggc-common.c: PROTO -> PARAMS.
14162 * ggc-page.c: Likewise.
14163 * ggc-simple.c: Likewise.
14165 * global.c: Likewise.
14166 * graph.c: Likewise.
14167 * gthr-win32.h: Likewise.
14168 * haifa-sched.c: Likewise.
14169 * halfpic.h: Likewise.
14170 * integrate.c: Likewise.
14171 * integrate.h: Likewise.
14172 * jump.c: Likewise.
14174 * local-alloc.c: Likewise.
14175 * loop.c: Likewise.
14176 * loop.h: Likewise.
14178 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14180 * genattr.c: PROTO -> PARAMS.
14181 * genattrtab.c: Likewise.
14182 * gencheck.c: Likewise.
14183 * gencodes.c: Likewise.
14184 * genconfig.c: Likewise.
14185 * genemit.c: Likewise.
14186 * genextract.c: Likewise.
14187 * genflags.c: Likewise.
14188 * gengenrtl.c: Likewise.
14189 * genopinit.c: Likewise.
14190 * genoutput.c: Likewise.
14191 * genpeep.c: Likewise.
14192 * genrecog.c: Likewise.
14194 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14196 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14198 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14200 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14201 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14202 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14203 * configure, config.in: Rebuilt.
14205 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14207 * config/i386/i386.md: Add peephole to merge successive stack
14210 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14212 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14213 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14214 when walking backwards to find all the parameter loads when
14215 the basic block ends in a call.
14217 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14219 * loop.c (this_loop_info): Delete.
14220 (uid_loop): Add in place of uid_loop_num. All uses updated.
14221 (loop_number_exit_count): Delete and replace with entry in loop
14222 structure. All uses updated.
14223 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14224 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14225 (loop_outer_loop): Likewise.
14226 (loop_invalid, loop_number_exit_labels): Likewise.
14227 (loop_used_count_register): Delete and replace with entry in
14228 loop_info structure.
14229 (find_and_verify_loops): Add loops argument.
14230 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14231 loop_end, etc. arguments with loop structure pointer. All callers
14233 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14234 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14235 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14236 (insert_bct): Likewise.
14237 (basic_induction_var): New argument level.
14238 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14239 vtop, and cont. Add used_count_register.
14240 (uid_loop): Delete declaration.
14241 (loop_number_exit_count): Likewise.
14242 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14243 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14244 (loop_outer_loop, loop_used_count_register): Likewise.
14245 (loop_invalid, loop_number_exit_labels): Likewise.
14246 (unroll_loop): Replace loop_start and loop_end arguments
14247 with loop structure pointer.
14248 (loop_precondition_p, loop_iterations): Likewise.
14249 Include basic-block.h.
14250 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14251 with loop structure pointer.
14252 (loop_precondition_p, loop_iterations): Likewise.
14253 * basic-block.h (struct loop): New entries vtop, cont,
14254 cont_dominator, start, end, top, scan_start, exit_labels,
14256 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14258 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14260 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14262 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14264 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14266 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14268 * pdp11-protos.h: New file.
14270 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14273 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14276 * pdp11.md: Likewise.
14278 * 2bsd.h: Likewise.
14280 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14282 * mn10300-protos.h: New file.
14284 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14287 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14290 * mn10300.md: Likewise.
14292 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14294 * mn10200-protos.h: New file.
14296 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14299 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14302 * mn10200.md: Likewise.
14304 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14306 * h8300-protos.h: New file.
14308 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14311 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14314 * h8300.md: Likewise.
14316 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14318 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14319 (asm_emit_uninitialised): Likewise.
14321 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14323 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14324 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14326 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14328 * config/mips/mips.c (override_options): Don't turn on extra
14329 alignment for mips16.
14331 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14333 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14334 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14337 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14339 * builtins.c (PAD_VARARGS_DOWN): Define.
14340 (std_expand_builtin_va_arg): Use the above macro.
14341 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14342 * tm.texi (Register Arguments): Document the above macro.
14344 2000-01-14 Nick Clifton <nickc@cygnus.com>
14346 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14347 that this function has not been used to emit a jump
14350 * jump.c (return_jump_1): Cope with being passed a null rtx.
14352 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14354 * eh-common.h: PROTO -> PARAMS.
14355 * emit-rtl.c: Likewise.
14356 * errors.c: Likewise.
14357 * errors.h: Likewise.
14358 * except.c: Likewise.
14359 * except.h: Likewise.
14360 * explow.c: Likewise.
14361 * expmed.c: Likewise.
14362 * expr.c: Likewise.
14363 * expr.h: Likewise.
14364 * final.c: Likewise.
14365 * fix-header.c: Likewise.
14366 * flow.c: Likewise.
14367 * fold-const.c: Likewise.
14368 * function.c: Likewise.
14369 * function.h: Likewise.
14371 * gcov-io.h: Likewise.
14372 * gcov.c: Likewise.
14373 * gcse.c: Likewise.
14375 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14377 * sh-protos.h: New file.
14379 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14380 Add static prototypes. Fix compile time warnings.
14382 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14386 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14388 * arc-protos.h: New file.
14390 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14393 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14396 * arc.md: Likewise.
14398 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14400 * dsp16xx-protos.h: New file.
14402 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14405 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14408 * dsp16xx.md: Likewise.
14410 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14412 * convex-protos.h: New file.
14414 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14417 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14420 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14422 * elxsi-protos.h: New file.
14424 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14427 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14430 * elxsi.md: Likewise.
14432 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14434 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14435 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14436 match the comment for MIPS16.
14438 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14440 * flow.c (split_edge): Do not call set_block_for_insn if we
14441 do not have a basic_block_for_insn structure.
14443 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14444 and destination functions are 32bit aligned within the trampoline.
14445 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14446 (TRAMPOLINE_ALIGNMENT): Define.
14448 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14449 (set (pc) (label_ref)), verify the change creates a valid insn.
14451 * fr30.c (call_operand): Tighten and rework to match rules for
14452 call RTL expressions.
14453 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14454 * fr30.md (call patterns): Improve constraints.
14456 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14458 * fr30.c (fr30_expand_epilogue): Revert last change.
14459 Use emit_jump_insn for the return insn.
14461 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14462 Stan Cox <scox@cygnus.com>
14464 * predict.c: New file. Preliminary infrastructure work for static
14465 branch prediction and basic block reordering.
14466 * basic-block.h: Add prototype for estimate_probability.
14467 * Makefile.in: Add rules for predict.o.
14469 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14471 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14472 * fixinc/*: Likewise.
14474 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14476 * cccp.c: PROTO -> PARAMS.
14477 * cexp.y: Likewise.
14478 * collect2.c: Likewise.
14479 * combine.c: Likewise.
14480 * convert.h: Likewise.
14482 * dbxout.c: Likewise.
14483 * dbxout.h: Likewise.
14484 * diagnostic.c: Likewise.
14485 * doprint.c: Likewise.
14486 * dwarf2out.c: Likewise.
14487 * dwarf2out.h: Likewise.
14488 * dwarfout.c: Likewise.
14489 * dwarfout.h: Likewise.
14490 * dyn-string.h: Likewise.
14492 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14494 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14495 macro conditionals guarding use.
14497 * dwarf2out.c: Include "tm_p.h".
14499 * function.c (locate_and_pad_parm): Mark parameter with
14501 (expand_function_end): Likewise for variable `context'.
14503 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14505 2000-01-13 Nick Clifton <nickc@cygnus.com>
14507 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14508 register to prevent compile time warnings.
14510 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14512 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14513 to avoid -Wtraditional warning.
14515 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14517 * 1750a-protos.h: New file.
14519 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14522 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14525 * 1750a.md: Likewise.
14527 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14529 * a29k-protos.h: New file.
14531 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14534 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14537 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14539 * clipper-protos.h: New file.
14541 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14544 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14547 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14549 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14551 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14553 * configure.in (--enable-new-gxx-abi): New option.
14554 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14555 * Makefile.in (GXX_ABI_FLAG): New variable.
14556 * configure: Regenerate.
14558 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14560 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14561 * tm.texi (FORCE_STRUCT_BLK): Document.
14562 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14564 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14566 * config/ns32k/ns32k.md: Revert Jan 9 change.
14568 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14569 to a mode-test, if the predicate is address_operand.
14571 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14573 * combine.c (if_then_else_cond): Be careful about what kinds
14574 of RTL expressions are passed to operand_subword.
14576 * flow.c (split_edge): If we have to insert a new jump, make
14577 sure to associate it with a basic block.
14579 * flow.c (commit_one_edge_insertion): A block with one successor
14580 can end in a JUMP_INSN that is not a simplejump.
14582 2000-01-12 Robert Lipe <robertl@sco.com>
14584 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14585 (BUILD_VA_LIST_TYPE): Define.
14586 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14589 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14591 * cccp.c (do_pragma): Add cast to (char *).
14593 2000-01-12 Richard Henderson <rth@cygnus.com>
14594 Fred Fish <fnf@be.com>
14595 Jason Merrill <jason@cygnus.com>
14597 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14598 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14599 * i386/beos-elf.h, i386/beos-pe.h: New files.
14601 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14602 * cross-make (SYSTEM_HEADER_DIR): Define using
14603 CROSS_SYSTEM_HEADER_DIR.
14605 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14606 (process_command): Use it.
14607 (main): Likewise. Kill trailing = from env vars.
14608 (build_search_list): Put it back.
14609 * collect2.c (main): Use LIBRARY_PATH_ENV.
14611 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14612 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14614 * tm.texi (Frame Layout): Document SMALL_STACK.
14615 * c-common.c (c_common_nodes_and_builtins): Check it.
14617 * system.h: Undef alloca after including glibc's <stdlib.h>,
14618 if USE_C_ALLOCA is defined.
14620 * gcc.c (set_input): New fn.
14621 (main): After all input files are compiled, reset the input file
14624 * aclocal.m4 (rindex, index): If already defined, don't attempt
14627 * ginclude/varargs.h: (__va_list__): Define ifndef.
14628 * ginclude/stdarg.h: Likewise.
14630 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14631 instead of unsigned char.
14633 * hash.h (true, false, boolean): Undef before enum.
14635 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14636 proper type of "HOST_WIDE_INT *", rather than their natural type of
14637 "unsigned HOST_WIDE_INT *".
14639 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14641 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14643 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14645 * regclass.c (choose_hard_reg_mode): Likewise.
14647 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14649 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14651 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14653 * c-common.c: PROTO -> PARAMS.
14654 * c-common.h: Likewise.
14655 * c-decl.c: Likewise.
14656 * c-iterate.c: Likewise.
14657 * c-lang.c: Likewise.
14658 * c-lex.c: Likewise.
14659 * c-lex.h: Likewise.
14660 * c-parse.in: Likewise.
14661 * c-pragma.c: Likewise.
14662 * c-pragma.h: Likewise.
14663 * c-tree.h: Likewise.
14664 * c-typeck.c: Likewise.
14665 * objc/objc-act.c: Likewise.
14666 * objc/objc-act.h: Likewise.
14668 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14670 * m88k-protos.h: New file.
14672 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14675 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14677 * m88k.md: Likewise.
14679 * tekXD88.h: Likewise.
14681 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14683 * m68k-protos.h: New file.
14685 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14688 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14690 * mot3300.h: Likewise.
14692 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14694 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14696 (extract_bitlist): Declare bitlen.
14698 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14700 * cccp.c: Accept and ignore -lang-fortran.
14702 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14703 qualifiers don't match at any level of pointerness.
14705 2000-01-12 Robert Lipe <robertl@sco.com>
14707 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14709 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14711 * reload1.c (reload_reg_unavailable): New static variable.
14712 (reload_reg_free_p): Test it.
14713 (reload_reg_free_for_value_p): Test it instead of
14715 (choose_reload_regs_init): Compute it.
14717 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14719 * reorg.c (fill_slots_from_thread): Check modified_in_p
14722 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14724 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14725 these nodes even if INTERNALS is not set.
14727 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14729 * gcse.c (delete_null_pointer_checks_1): Cope when
14730 get_condition cannot determine the condition.
14732 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14734 * toplev.h (set_message_length): Declare.
14736 * diagnostic.c (obstack_chunk_alloc): Define macro.
14737 (obstack_chunk_free): Likewise.
14738 (struct output_buffer): New data structure.
14739 (vmessage): Remove.
14740 (output_maximum_width): New variable.
14741 (doing_line_wrapping, set_message_length, init_output_buffer,
14742 get_output_prefix, output_space_left, emit_output_prefix,
14743 output_newline, output_append, output_puts, dump_output,
14744 vbuild_message_string, build_message_string, build_location_prefix,
14745 voutput_notice, output_printf, line_wrapper_printf,
14746 vline_wrapper_message_with_location): New functions. Implement
14747 automatic line wrapping.
14748 (v_message_with_decl): Make it handle automatic line wrapping.
14749 (v_error_with_file_and_line): Likewise.
14750 (v_warning_with_file_and_line): Likewise.
14751 (announce_function): Likewise.
14752 (default_print_error_function): Likewise.
14754 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14756 * cpplib.h (struct cpp_options): Change lang_asm to char.
14758 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14759 done in cpp_handle_option now.
14760 (initialize_builtins): Take out special case code used only by
14762 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14763 if -traditional. Recognize -lang-fortran and set
14764 lang_fortran, also turn off cplusplus_comments.
14765 (print_help): Document -lang-fortran.
14766 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14767 lang_asm. Ignore all directives other than `# 123 "file"' if
14769 (cpp_get_token): If -traditional, don't recognize directives
14770 unless the # is in column 1.
14771 (parse_string): If lang_fortran or lang_asm, silently
14772 terminate strings ('' or "") at end of line.
14773 Remove unnecessary braces.
14775 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14776 Richard Henderson <rth@cygnus.com>
14778 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14780 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14781 strict_low_part when possible.
14783 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14785 * alias.c: PROTO -> PARAMS.
14786 * basic-block.h: Likewise.
14787 * bitmap.c: Likewise.
14788 * bitmap.h: Likewise.
14789 * builtins.c: Likewise.
14790 * c-aux-info.c: Likewise.
14791 * caller-save.c: Likewise.
14792 * calls.c: Likewise.
14794 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14796 * Makefile.in (toplev.o): Depend on regs.h.
14798 * output.h (tdesc_section): Prototype.
14800 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14802 * sdbout.c: Include "tm_p.h".
14804 * toplev.c: Include "regs.h".
14806 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14808 * unroll.c (unroll_loop): Add EH support.
14810 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14812 * pa-protos.h: New file.
14814 * pa.c: Include recog.h and tm_p.h.
14815 (compute_zdepwi_operands, compute_movstrsi_length,
14816 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14817 find_addr_reg, import_milli): Add static prototypes.
14818 (pa_cpu_string, pa_arch_string): Constify a char*.
14819 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14820 (read_only_operand): Add argument `mode'.
14821 (singlemove_string, output_move_double, output_fp_move_double,
14822 output_block_move, output_and, output_ior, output_ascii,
14823 remove_useless_addtr_insns, milli_names, output_mul_insn,
14824 output_div_insn, output_mod_insn, output_arg_descriptor,
14825 output_cbranch, output_bb, output_bvb, output_dbra, ,
14826 output_millicode_call, output_call, hppa_encode_label,
14827 output_parallel_movb, output_parallel_addb): Constify a char*.
14828 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14829 (output_parallel_addb): Remove extra arg to `constrain_operands'
14831 * pa.h: Move all prototypes to pa-protos.h.
14832 (pa_cpu_string, pa_arch_string): Constify a char*.
14833 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14835 * pa.md: Call `function_label_operand' with mode argument.
14836 Likewise for `read_only_operand'.
14837 Fix nesting of parens in call to `symbolic_operand'.
14839 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14841 * i860-protos.h: New file.
14843 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14846 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14848 * i860.md: Likewise.
14850 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14852 * i386.md (movstrsi expander): Rewrite.
14853 (movstrsi_1 insn): Deleted.
14854 (strmovhi, strmovqi expander): New expanders.
14855 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14856 * i386.c (x86_single_stringop): New global variable.
14857 * i386.h (x86_single_stringop): Declare.
14858 (TARGET_SINGLE_STRINGOP): New macro.
14860 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14862 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14863 integer vararg POSTINCREMENT before the destination of the jump
14864 for the hard fp case.
14865 (function_arg_pass_by_reference): Pass a copy of CUM to
14868 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14869 for CONSTANT_ADDRESS_P above while loop for subreg.
14871 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14873 * flow.c (propagate_block): When a prologue/epilogue insn
14874 is marked dead, unconditionally clear libcall_is_dead and
14875 insn_is_dead, and only dump rtl if warnings aren't being
14878 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14880 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14881 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14882 (FIXED_REGISTERS): Set dirflag as fixed.
14883 (CALL_USED_REGISTERS): Set dirflag as used.
14884 (REG_ALLOC_ORDER): Set dirflag as last one.
14885 (DIRFLAG_REG): New macro.
14886 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14887 (HI_REGISTER_NAMES): Add dirflag.
14888 (DEBUF_PRINT_REG): Handle dirflag.
14889 * i386.md (type attribute): New cld and str types.
14890 (length_opcode attribute): Set cld and str to 1.
14891 (memory attribute): Set str to unknown - it is not clear from the
14893 (pent_np function unit): Prefixed string operations takes 12 cycles
14894 minimally; cld takes 2 cycles.
14895 (ppro_uops attribute): Str is "many" and cld is "few".
14896 (ppro_p0 unit): Handle cld here.
14897 (k6_alux unit): Handle cld and str types.
14898 (k6_load unit): It is ocupied by str opcodes.
14899 (k6_store unit): It is ocupied by str opcodes.
14900 (athlon_decode): Str is vector decoded.
14901 (athlon_ieu): Handle str and cld.
14902 (cld pattern): New.
14903 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14904 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14905 cmpstrsi_nz_1 insn): Do not output cld instruction
14907 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14909 * gcc.texi (G++ and GCC): Add Java and Chill.
14910 (Bug Critera): Don't list languages.
14912 * gcc.texi (Incompatibilities): No longer claim most C compilers
14915 * gcc.texi (G++ and GCC): Update other front-ends list.
14917 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14919 * i386.c (ix86_expand_setcc): Fix typo.
14920 (ix86_expand_movcc): Similarly.
14922 * Band-aid until haifa's bitset implementation is nuked.
14923 * haifa-sched.c (extract_bitlst): New parameter for size of the
14924 bitset in bits. All callers changed. Avoid looking at undefined
14925 bits in the bitset.
14926 (edgeset_bitsize): New variable.
14927 (schedule_region): Initialize edgeset_bitsize.
14929 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14931 * Makefile.in (optabs.o): Depend on real.h
14932 (resource.o): Depend on insn-attr.h
14934 * builtins.c (result_vector): Wrap prototype in macro conditions
14935 governing definition and use.
14937 * c-common.c: Include tm_p.h.
14939 * c-lex.c: Likewise.
14941 * elfos.h: Constify a char*.
14943 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14944 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14945 parameter with ATTRIBUTE_UNUSED.
14947 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14950 * haifa-sched.c (schedule_insns): Mark parameter with
14953 * optabs.c: Include real.h.
14955 * real.h (ereal_atof): Add prototype arguments.
14957 * resource.c: Include insn-attr.h.
14959 * sdbout.c (sdbout_queue_anonymous_type,
14960 sdbout_dequeue_anonymous_types): Wrap in macro
14961 SDB_ALLOW_FORWARD_REFERENCES.
14962 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14965 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14967 * stupid.c: Include tm_p.h.
14969 * tree.c (real_value_from_int_cst): Mark parameter with
14972 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14974 * i960-protos.h: New file.
14976 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14979 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14981 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14983 * combine.c (expand_field_assignment): Do not discard SUBREGs
14984 while computing nonzero_bits.
14986 2000-01-09 Nick Clifton <nickc@cygnus.com>
14988 * config/arm/arm.c: Fix compile time warnings about signed vs
14989 unsigned constants.
14990 * config/arm/arm.h: Fix compile time warnings about signed vs
14991 unsigned constants.
14993 2000-01-09 Philip Blundell <philb@gnu.org>
14995 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14996 than `ldm' with only one register.
14997 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
15000 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
15003 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
15005 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15008 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15010 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15011 assignment used as truth value.
15013 * function.c (assign_temp): Mark parameter `dont_promote' with
15014 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15015 PROMOTE_FOR_CALL_ONLY.
15017 * genrecog.c (write_subroutine): Mark variable `operands' with
15020 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15023 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15024 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15026 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15029 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15031 * config/c4x.h: Tidy up comments.
15032 * config/c4x.c: Likewise.
15034 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15036 * fold-const.c (lshift_double, rshift_double): Handle
15037 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15039 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15041 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15042 in prepare_function_start().
15044 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15046 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15047 longer allocate extra stack for function calls.
15049 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15051 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15053 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15055 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15057 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15059 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15060 * aix43.h: Revert Aug 2 change.
15061 (HAS_INIT_SECTION): Define, not visible yet.
15062 (LD_INIT_SWITCH): Define, not visible yet.
15063 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15065 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15067 * collect2.c (main): Expand ld2 size further.
15068 (export_object_lst): Cast assignment to avoid warning.
15069 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15070 (scan_prog_file, COFF): Do not collect initialization or
15071 finalization functions generated for entire shared object if
15072 init/fini support present.
15074 2000-01-07 Nick Clifton <nickc@cygnus.com>
15076 * config/elfos.h: Tidy up formatting of marcos. Make sure
15077 that .section directives are always prefixed by a tab.
15079 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15082 2000-01-07 Matt Austern <austern@sgi.com>
15084 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15087 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15089 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15091 (crtbegin.o, s-crtS): Likewise.
15093 2000-01-06 Richard Henderson <rth@cygnus.com>
15095 * alpha.md (adddi_2+1): Limit offset such that it will be
15096 loadable with a single ldah+lda pair.
15097 (adddi_2+2): Explicitly fail split if we can't make it work.
15099 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15101 * protoize.c: Conditionally include unistd.h.
15102 (IS_SAME_PATH_CHAR): New macro.
15103 (IS_SAME_PATH): New macro.
15104 (CPLUS_FILE_SUFFIX): New macro.
15105 (cplus_suffix): New static variable.
15106 (is_abspath): New static function.
15107 (in_system_include_dir): Handle DOS style pathnames.
15108 (file_could_be_converted): Likewise.
15109 (file_normally_convertible): Likewise.
15110 (directory_specified_p): Likewise.
15111 (file_excluded_p): Likewise.
15112 (abspath): Likewise.
15113 (shortpath): Likewise.
15114 (referenced_file_is_newer): Likewise.
15115 (save_def_or_dec): Likewise.
15116 (do_processing): Likewise.
15118 (edit_file): Likewise. Use rename instead of link.
15119 (rename_c_file): Likewise. Don't rename syscalls file.
15120 (munge_compile_params): Define null device for DOS based systems.
15121 (process_aux_info_file): Use binary mode if appliable.
15122 (edit_file): Likewise.
15123 * invoke.texi (Running Protoize): Document C++ suffixes used.
15125 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15126 IS_DIR_SEPARATOR macros.
15127 * collect2.c: Likewise.
15128 * cppinit.c: Likewise.
15129 * dwarf2out.c: Likewise.
15131 * gcov.c: Likewise.
15132 * prefix.c: Likewise.
15134 * toplev.c: Likewise.
15135 * system.h: And move to here.
15137 * prefix.c (update_path): Fix typo in variable name.
15139 2000-01-06 Richard Henderson <rth@cygnus.com>
15141 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15142 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15143 (count_reg_sets_1, count_reg_references): Likewise.
15144 (flow_loops_level_compute): Start counting actual loop depth at 1.
15145 (flow_loops_find): Likewise.
15146 * local-alloc.c (update_equiv_regs): Likewise.
15147 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15149 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15151 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15152 FIRST_PSEUDO_REGISTER
15153 * dwarf2out.c: Don't include frame.h
15154 * dwarfout.c: Likewise
15155 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15158 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15160 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15163 * i386.c (movsf splitter): Fix typo in my last checkin.
15165 2000-01-05 Nick Clifton <nickc@cygnus.com>
15167 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15168 own definition of this macro.
15169 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15170 flag_data_sections or UNIQUE_SECTION_P are true.
15172 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15173 unitialised data decls.
15175 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15176 being called for uninitialised data.
15178 * config/i386/interix.c (i386_pe_unique_section): Cope with
15179 being called for uninitialised data.
15181 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15182 for uninitialised data.
15184 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15185 for uninitialised data.
15187 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15188 for uninitialised data.
15190 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15191 (UNIQUE_SECTION_P): Always generate a unique section if
15192 flag_data_sections is true.
15193 (UNIQUE_SECTION): Also generate unique sections for
15194 uninitialised data.
15195 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15196 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15199 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15201 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15204 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15206 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15207 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15208 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15209 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15210 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15212 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15214 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15216 * c-decl.c (finish_enum): Simplify code to determine minimum and
15217 maximum values of the enum, and calculate the type. Remove check
15218 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15219 the DECL_INITIAL of each enumeration constant with a copy converted
15220 to the enumeration type. When updating variant types, don't bother
15221 updating the type itself.
15223 * c-typeck.c (build_binary_op): Simplify conditional expressions
15224 when weeding out spurious signed-unsigned warnings. Add new
15225 spurious warning category: if the unsigned quantity is an enum
15226 and its maximum value fits in signed_type(result_type). Update
15228 (build_conditional_expr): Warn here if one alternative is signed
15229 and the other is unsigned.
15231 2000-01-05 Nick Clifton <nickc@cygnus.com>
15233 * config/fr30/fr30.h: Remove extraneous comments.
15235 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15237 * reload1.c (choose_reload_regs): When disabling a reload, also
15238 set reload_spill_index to -1.
15240 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15242 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15244 (m68*-*-rtemself*): New target.
15245 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15246 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15247 (sparc*-*-rtemself*): New target.
15248 (sparc*-*-rtems*): Now elf not a.out.
15249 * config/i386/rtems.h: Include config/rtems.h.
15250 * config/i386/rtemself.h: Include config/rtems.h.
15251 * config/i960/rtems.h: Include config/rtems.h.
15252 * config/m68k/rtems.h: Include config/rtems.h.
15253 * config/m68k/rtemself.h: Include config/rtems.h.
15254 * config/mips/rtems64.h: Include config/rtems.h.
15255 * config/pa/rtems.h: Include config/rtems.h.
15256 * config/rs6000/rtems.h: Include config/rtems.h.
15257 * config/sh/rtems.h: Include config/rtems.h.
15258 * config/sh/rtemself.h: Include config/rtems.h.
15259 * config/sparc/rtems.h: Include config/rtems.h.
15260 * config/sparc/rtemself.h: Include config/rtems.h
15262 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15264 * final.c (shorten_branches): Correctly compute length of
15265 asms without operands.
15267 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15269 * configure.in: Add pj target.
15270 * configure: Regenerate.
15271 * config/pj: New directory.
15272 * config/pj/lib1funcs.S: New file.
15273 * config/pj/linux.h: New file.
15274 * config/pj/pj.c: New file.
15275 * config/pj/pj.md: New file.
15276 * config/pj/pjl.h: New file.
15277 * config/pj/t-pj: New file.
15278 * config/pj/xm-pj.h: New file
15280 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15282 * toplev.c (rest_of_compilation): Run shorten-branches before
15285 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15287 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15288 macros so that they're consistent with their names.
15289 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15290 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15292 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15294 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15295 modified inadvertently.
15297 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15299 * configure.in (v850*-*-rtems*): New target.
15300 * configure: Regenerate.
15301 * config/v850/rtems.h: New file.
15303 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15305 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15306 (__gthread_key_create): Likewise.
15307 (__gthread_key_dtor): Likewise.
15308 (__gthread_once): Fix logic.
15309 (__gthread_key_delete): Cast away constness.
15311 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15312 * invoke.texi: Document.
15313 * i386/mingw32.h (CPP_SPEC): Use.
15314 (LIBGCC_SPEC): Likewise.
15315 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15317 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15319 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15320 (HANDLE_PRAGMA_PACK): Undefine.
15321 (SLOW_UNALIGNED_ACCESS): Define.
15323 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15325 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15326 to default definition.
15327 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15328 (store_fixed_bit_field): Call macro with word_mode and alignment.
15329 (extract_bit_field): Call macro with relevant mode and alignment.
15330 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15331 to default definition.
15332 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15334 (move_by_pieces_ninsns): Likewise.
15335 (clear_by_pieces): Likewise.
15336 (emit_push_insn): Likewise.
15337 (store_field): Call macro with relevant mode and alignment.
15338 (expand_expr): Likewise.
15339 (expand_expr_unaligned): Likewise.
15341 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15342 (SLOW_UNALIGNED_ACCESS): Define.
15343 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15344 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15345 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15346 (toc_section): Likewise and .toc pseudo-op.
15347 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15349 (TEXT_SECTION_ASM_OP): Likewise.
15350 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15353 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15354 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15355 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15356 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15357 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15359 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15361 * regclass.c: Revert my Jan 4 change to loop cost computation.
15363 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15365 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15368 2000-01-04 Stan Cox <scox@cygnus.com>
15370 * haifa-sched.c (build_control_flow): Change unreachable simple
15371 loop test to check if current block has only one predecessor.
15372 (find_rgns): Initialize degree. Use dest as degree index, not src.
15374 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15376 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15378 * calls.c (expand_call): Likewise for
15379 `old_stack_arg_under_construction'.
15381 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15383 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15386 * gcc.c (execute): Likewise for `ut' and `st'.
15388 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15390 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15392 * jump.c (jump_optimize_1): Likewise for `temp2'.
15394 * local-alloc.c (block_alloc): Likewise for `r1'.
15396 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15398 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15399 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15401 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15404 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15405 and `goal_earlyclobber'.
15407 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15409 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15411 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15413 * unroll.c (copy_loop_body): Likewise for `copy'.
15415 * varasm.c (output_constructor): Likewise for `byte'.
15417 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15419 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15420 all FP constants for constant->reg moves.
15421 (ix86_split_to_parts): Try to convert memory address into immediate
15422 when available in the constant pool.
15423 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15425 (LEGITIMATE_CONSTANT_P): Return 1.
15426 * i386.md (pushsf): New splitter to convert constant pool memory
15427 reference to immediate.
15428 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15431 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15433 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15434 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15435 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15436 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15437 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15439 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15441 * ginclude/stdbool.h: Support compilation as C++.
15443 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15445 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15447 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15449 * regclass.c (regclass): Properly compute loop_cost. Adjust
15452 * regclass.c: Fix minor whitespace problems.
15454 2000-01-03 Anthony Green <green@cygnus.com>
15456 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15457 Restore the pic register if required.
15459 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15461 * c-common.c (format_char_info): Update comment.
15462 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15463 was recognized. Emit warning for formats new in ISO C99 only
15464 if flag_isoc9x is not set.
15466 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15468 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15470 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15472 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15473 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15474 (make_compound_operation): Choose cheaper alternative between
15475 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15477 * regclass.c (op_costs): Remove global variable.
15478 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15479 (record_operand_costs): Break out from ...
15480 (scan_one_insn): ... here.
15481 (dump_regclass): Make dumps nicer.
15482 (regclass): Dump preferrences choosed and changes done during passes.
15484 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15486 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15488 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15490 * config/sparc/sparc.c (gen_df_reg): New function.
15491 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15492 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15493 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15494 movtf_cc_reg_sp64+1): Use it.
15496 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15498 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15499 copied LABEL_DECLs.
15501 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15503 * config/i386/i386.c (ix86_expand_unary_operator): Function
15504 definition made void.
15505 (ix86_expand_binary_operator): Update outdated preceding comment.
15506 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15509 * config/i386/i386.c (override_options): Fix option-name typo.
15511 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15513 * system.h (CEIL): Define.
15514 * builtins.c (CEIL): Remove.
15515 * expmed.c (CEIL): Likewise.
15516 * expr.c (CEIL): Likewise.
15517 * stor-layout.c (CEIL): Likewise.
15519 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15521 * expr.c (store_constructor_field): Fix typo introduced with last
15524 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15526 * tree.h (BINFO_N_BASETYPES): New macro.
15528 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15530 * expmed.c (emit_store_flag): Prevent losing a pending stack
15531 adjust the same way we prevent losing queued increments.
15533 See ChangeLog.2 for earlier changes.