1 2000-06-07 David O'Brien <obrien@FreeBSD.org>
3 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
4 We now default to ELF for the i386, and a.out is the special case.
7 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
9 * final.c (final_scan_insn): Delete notes between cc0 setter and
10 user when restarting from setter.
12 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
14 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
15 cast to squelch signed/unsigned warnings.
17 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
19 * cpplib.c (handle_directive): Print non-NUL-terminated string
22 2000-06-12 Michael Meissner <meissner@redhat.com>
24 * ifcvt.c (dead_or_predicable): Don't do conditional execution
25 path if the machine needs extra support to do conditional
28 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
30 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
31 to print the alias set.
32 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
34 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
36 * config/float-vax.h: Add GFLOAT defines.
38 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
40 * configure.in: Update tm dependencies for MPE.
43 2000-06-12 H.J. Lu <hjl@gnu.org>
45 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
47 2000-06-12 David Edelsohn <edelsohn@gnu.org>
49 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
50 (CPP_SPEC): Change mthreads to pthread.
52 (STARTFILE_SPEC): Likewise.
53 * aix43.h (SUBTARGET_SWITCHES): Delete thread.
54 (CPP_SPEC): Change mthreads to pthread.
56 (STARTFILE_SPEC): Likewise.
57 * rs6000-protos.h (reg_or_arith_cint_operand): New.
58 * rs6000.c (reg_or_arith_cint_operand): New.
59 (num_insns_constant_wide): Decorate unsigned constant.
60 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
61 * rs6000.md (addsi3): Use new predicate.
62 (subsi3, adddi3, subdi3): Likewise.
64 2000-06-12 Mark Mitchell <mark@codesourcery.com>
66 * c-common.c (lang_get_alias_set): Fix typo.
68 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
70 * flow.c (mark_used_regs): Revert last change.
71 (life_analysis): Remove PROP_AUTOINC if running after reload.
72 (propagate_one_insn): PROP_AUTOINC is always off after reload.
74 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
76 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
79 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
81 * bb-reorder.c (build_scope_forest): Initialize variable
84 * calls.c (expand_call): Likewise for variables
85 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
87 * i386.c (function_arg_advance, function_arg): Cast to avoid
88 signed/unsigned warnings.
90 * i386.h (MEMORY_MOVE_COST): Likewise.
92 * ifcvt.c (cond_exec_process_if_block): Initialize variables
93 `else_start' and `else_end'.
95 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
97 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
99 2000-06-10 Mark Mitchell <mark@codesourcery.com>
101 * Makefile.in (libintl.a): Depend on intl.all.
103 2000-06-09 H.J. Lu (hjl@gnu.org)
105 * Makefile.in (c-parse.o): Also depend on output.h.
107 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
109 * mcore-protos.h: discards const warning removal.
110 * mcore.c: discards const warning removal.
112 2000-06-09 Kazu Hirata <kazu@hxi.com>
114 * config/h8300/lib1funcs.asm: Declare the machine architecture at
115 the beginning of the file.
117 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
119 * real.h: Add prototype for ldexp.
121 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
123 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
124 it ggc_alloc, drop second argument, never clear returned memory.
125 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
126 (ggc_alloc_cleared): New.
127 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
128 ggc_alloc_obj. Remove ggc_alloc macro.
129 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
131 * rtl.c (rtvec_alloc): Clear the vector always.
132 (rtx_alloc): Clear the first word always. Remove dirty
133 obstack tricks (this routine is no longer a bottleneck).
134 * tree.c (make_node): Clear the new node always.
135 (make_tree_vec): Likewise.
136 (tree_cons): Clear the common structure always.
137 (build1): Likewise; also, clear TREE_COMPLEXITY.
138 * gengenrtl.c: Use puts wherever possible. Remove extra
140 (gendef): Clear the first word of an RTX in the generator
141 function, irrespective of ggc_p. Initialize '0' slots to
143 (genlegend): Don't generate obstack_alloc_rtx routine, just a
144 thin wrapper macro around obstack_alloc.
146 * stmt.c (expand_fixup): Use ggc_alloc.
147 * c-typeck.c (add_pending_init): Use ggc_alloc.
148 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
149 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
150 const0_rtx when it is created.
151 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
152 we are not in a function.
154 * tree.c (tree_class_check_failed): Make second arg an int.
155 * tree.h: Update prototype.
157 2000-06-09 Geoff Keating <geoffk@cygnus.com>
159 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
160 of an error_mark_node.
162 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
164 * config/avr/avr.c (asm_output_section_name): bugfix.
166 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
168 * timevar.def: Add TV_EXPAND.
169 * timevar.c (timevar_print): Update timing information.
170 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
172 * stmt.c (expand_return): Check for error_mark_node.
174 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
178 * scan-types.sh (VALUE) Wrap use with double quotes to protect
179 variable against filename expansion when it contains "char *".
181 * system.h (SSIZE_MAX): Delete backup definition.
183 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
184 instead of SSIZE_MAX.
186 2000-06-09 Jakub Jelinek <jakub@redhat.com>
188 * configure.in: Check whether gas supports -relax.
189 * configure, config.in: Rebuilt.
190 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
191 (EXTRA_SPECS): Add asm_relax.
192 (ASM_SPEC): Add %(asm_relax).
193 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
194 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
195 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
196 (ASM_SPEC): Add %(asm_relax).
197 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
198 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
199 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
200 instead of mov, so that gas can further optimize it.
202 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
204 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
206 (value_format, case dw_val_class_const): Use sdata format.
207 (output_die): Call output_sleb128.
209 2000-06-08 James E. Wilson <wilson@cygnus.com>
211 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
212 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
213 ASM_OUTPUT_DWARF_CONST_DOUBLE.
214 (output_die, case dw_val_class_unsigned_const): Correct call to
215 ASM_OUTPUT_DWARF_DATA8.
216 (output_die, case dw_val_class_long_long): Use
217 ASM_OUTPUT_DWARF_CONST_DOUBLE.
218 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
221 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
222 (output_function_prologue): Fix mispelling.
223 (output_function_prologue, output_function_epilogue): Reorder to
224 match ia64.c definition order.
225 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
226 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
227 Use r3 instead of r2 for large stack restores.
228 (ia64_output_end_prologue): New function.
229 (process_set): Emit ".restore sp" for epilogue stack restores.
230 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
232 2000-06-08 Jakub Jelinek <jakub@redhat.com>
234 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
237 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
239 * frame.c (end_fde_sort): Remove extraneous erratic array test.
241 2000-06-08 Denis Perchine <dyp@perchine.com>
243 * frame.c (start_fde_sort): Don't malloc (0).
245 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
247 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
249 * print-tree.c (print_node): The transparent_union_flag means
250 different things for unions and arrays. Do not inspect it
251 with TYPE_TRANSPARENT_UNION.
253 2000-06-06 Jakub Jelinek <jakub@redhat.com>
255 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
258 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
260 * config/avr/avr.c (asm_output_section_name): output section
262 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
264 2000-06-06 James E. Wilson <wilson@cygnus.com>
266 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
267 fields into header field.
268 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
269 macros to access length, flags, and version info from header field.
270 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
271 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
272 (__do_global_ctors_aux): Fix caller.
273 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
274 prologue_flag to header. Pass to read_P_record.
275 (read_P_record): New argument header. Implement P4 format.
276 Multiply P7_T_SIZE by 16.
277 (execute_one_ia64_descriptor): New static local region_header. Pass to
278 get_unwind_record. Copy r to region_header if r is a header record.
279 (print_all_records): Likewise.
280 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
281 (__get_personality, __get_except_table): Likewise.
282 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
284 2000-06-06 Philipp Thomas <pthomas@suse.de>
286 * configure.in (AC_C_INLINE): Added.
287 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
288 * configure: Regenerate.
290 2000-06-06 Mark Mitchell <mark@codesourcery.com>
292 * c-common.h (c_language_kind): New type.
293 (c_language): New variab.e
294 * c-common.c (lang_get_alias_set): Don't put structures in
295 non-zero alias sets in C++.
296 * c-decl.c (c_language): Define it.
297 * c-lex.c (doing_objc_thang): Remove.
298 * c-tree.h (doing_objc_thang): Make it a macro.
299 * objc/objc-act.c (lang_decode_option): Set c_language, not
302 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
304 * diagnostic.c (output_maximum_width): Remove.
305 (doing_line_wrapping): Tweak.
306 (diagnostic_buffer): New object.
307 (global_output_buffer): New object.
308 (output_destroy_prefix): New function.
309 (default_initialize_buffer): Likewise.
310 (reshape_diagnostic_buffer): Likewise.
311 (initialize_diagnostics): Likewise.
312 (output_clear): Tweak.
313 (line_wrapper_printf): Adjust call to init_output_buffer.
314 (vline_wrapper_message_with_location): Likewise. Use
315 output_destroy_prefix.
316 (v_message_with_decl): Likewise.
318 * diagnostic.h (struct output_buffer): Constify prefix.
319 (init_output_buffer, output_get_prefix): Constify.
320 (diagnostic_message_length_per_line): Likewise.
321 (reshape_diagnostic_buffer): Declare.
322 (default_initialize_buffer): Declare.
323 (initialize_diagnostics): Declare.
324 (diagnostic_buffer): Declare new obbject.
326 * toplev.c: #include diagnostic.h
327 (display_help): Document diagnostic formatting options.
328 (decode_f_option): Handle diagnostic formatting options.
329 (main): Setup initialization for diagnostic messages outputter.
331 * toplev.h (set_message_length): Remove.
333 * Makefile.in (toplev.o): Depends upon diagnostic.h
335 * invoke.texi : Document diagnostics formatting options.
337 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
339 * configure.in (Make the links): Typo fix : the file that must be
340 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
341 * configure: File rebuilt.
343 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
345 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
346 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
348 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
349 emergency eh_context buffer, if malloc fails.
350 (__eh_free): Moved from cp/exception.cc. Release to emergency
351 eh_context buffer, if appropriate.
353 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
355 * expr.c (store_expr): Fix typo.
357 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * m68k.c (legitimize_pic_address): Move prototype ...
361 * m68k-protos.h (legitimize_pic_address): ... here.
363 * m68k.md (legitimize_pic_address): Delete prototypes.
364 (untyped_call): Invoke GEN_CALL(), not gen_call().
366 * nextstep.c: Include system.h and toplev.h.
367 (get_directive_line): Don't prototype.
368 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
370 * nextstep.h (handle_pragma): Prototype.
371 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
372 objc_section_init ...
373 (EXTRA_SECTION_FUNCTIONS): ... here.
375 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
377 * sdbout.c (struct sdb_file): NAME now const.
378 (sdbout_init): input_file_name now const.
379 (sdbout_start_new_source_file): FILENAME now const.
380 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
382 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
384 * c-typeck.c (build_conditional_expr): Handle complex data types.
386 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
388 * explow.c (maybe_set_unchanging): New function, broken out from...
389 (set_mem_attributes): Here.
390 * expr.h: Declare it.
391 * stmt.c (expand_decl): Call it.
393 2000-06-05 Richard Henderson <rth@cygnus.com>
395 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
396 while looking for a register to inherit from.
398 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
400 * Makefile.in (libgcc.ready): Lose.
401 (libgcc.mk): Just use mv, not move-if-change.
402 (LIBGCC_DEPS): New macro.
404 (stmp-multilib): Likewise.
405 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
406 it rather than the directories themselves.
407 (LIB2ADD): Depend on the list file rather than 'force'.
409 * fold-const.c (fold, case COND_EXPR): Elide conversion between
410 cv-qualified versions of types.
412 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
414 * config/sparc/sparc.c (short_branch): Correct error in range
417 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
419 * fixinc/inclhack.def: New include hacks for ultrix.
420 * (nested_ultrix): Replaced by ultrix_nested_svc.
421 * (ultrix_atof_param): test_text string added.
422 * (ultrix_ifdef): Modified select string.
424 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
426 * objc/objc-act.c (generate_method_descriptors): Register
427 objc_method_prototype_template as a GC root.
428 (comp_method_with_proto): Register function_type as a GC root.
429 (comp_proto_with_proto): Replace function_type1 and
430 function_type2 with a two-element array; register it as a GC root.
432 (generate_protocols, build_protocol_initializer,
433 generate_protocol_list, build_category_initializer,
434 build_shared_structure_initializer): Do not cache cast_type
437 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
439 * function.c (assign_parms): Add missing argument to set_mem_attributes
442 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
444 * tree.h (VOID_TYPE_P): New macro.
445 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
446 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
447 (get_parm_info): Likewise.
448 (store_parm_decls): Likewise.
449 (combine_parm_decls): Likewise.
450 (finish_function): Likewise.
451 * c-typeck.c (build_function_call): Likewise.
452 (build_binary_op): Likewise.
453 (build_conditional_expr): Likewise.
454 (internal_build_compound_expr): Likewise.
455 (convert_for_assignment): Likewise.
456 * stmt.c (expend_expr_stmt): Likewise.
457 (warn_if_unused_value): Likewise.
458 (expand_return): Likewise.
459 * c-parse.in (primary): Likewise.
460 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
461 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
463 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
465 * alias.c (get_alias_set): If compnent is addressable, use alias
467 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
468 (grokdeclarator): Likewise.
469 * c-typeck.c (common_type): Likewise.
471 2000-06-04 Alex Samuel <samuel@codesourcery.com>
473 * Makefile.in (OBJS): Remove dyn_string.o
474 (dyn-string.o): Delete rule.
475 * dyn-string.c: Delete file
476 * dyn-string.h: Likewise.
478 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
480 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
483 2000-06-03 Geoff Keating <geoffk@cygnus.com>
485 * alias.c (record_component_aliases): Don't inspect
486 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
488 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
490 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
491 it with the pattern to do machine dependent work.
492 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
493 use it to modify the true/false tests used in conditional
494 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
495 defined, invoke them if the conversion to conditional execution
496 was successful or not.
498 * tm.texi (IFCVT_MODIFY_TESTS): Document.
499 (IFCVT_MODIFY_INSN): Ditto.
500 (IFCVT_MODIFY_FINAL): Ditto.
501 (IFCVT_MODIFY_CANCEL): Ditto.
503 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
505 * toplev.c (main): Fix misspellings of possibility and language.
507 2000-06-03 Richard Henderson <rth@cygnus.com>
509 * alias.c (record_alias_subset): Initialize has_zero_child in the
512 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
514 * arm.md (untyped_call): Use GEN_CALL macro.
516 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
518 * Makefile.in: Use $(MAKE) not "make"
520 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
522 * alias.c (struct alias_set_entry): New field has_zero_child.
523 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
524 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
526 Call record_component_aliases for aggregate types.
527 (record_alias_subset): Set has_zero_child.
528 (record_component_aliases, case ARRAY_TYPE): Do nothing if
529 TYPE_NONALIASES_COMPONENT.
530 (record_component_aliases, case RECORD_TYPE): Test
531 DECL_NONADDRESSABLE_P.
532 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
534 * calls.c (initialize_argument_information): Only test
535 TYPE_TRANSPARENT_UNION for UNION_TYPE.
536 * function.c (assign_parms): Likewise.
537 * integrate.c (function_cannot_inline_p): Likewise.
538 * stor-layout.c (finish_record_layout): Don't call
539 record_component_aliases.
540 * tree.h (struct tree_int_cst): Use struct tree_common.
541 (struct tree_real_cst, struct tree_string): Likewise.
542 (struct tree_complex, struct tree_identifier): Likewise.
543 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
544 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
545 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
546 (TYPE_NONALIASES_COMPONENT): New macro.
547 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
548 (DECL_NONADDRESSABLE_P): New macro.
549 (struct tree_decl): Reorder bits for clarity of how many left;
552 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
554 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
555 * mklibgcc.in (force): New target.
556 Make LIB2ADD stuff depend on it.
558 2000-06-02 Richard Henderson <rth@cygnus.com>
560 * alias.c (lang_get_alias_set): Remove.
561 (get_alias_set): Call it directly, not indirectly.
562 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
563 * c-common.h (c_get_alias_set): Don't declare.
564 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
565 * expr.h (lang_get_alias_set): Declare as function, not pointer.
567 2000-06-02 Bruce Korb <bkorb@gnu.org>
569 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
570 (server_setup): define the server's master pid
571 (close_server): actually do the deed IFF we are the server's master
573 2000-06-02 Jakub Jelinek <jakub@redhat.com>
575 * c-common.c (c_get_alias_set): Check whether signed_type did not
576 return its argument before calling get_alias_set on the result.
578 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
580 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
582 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
584 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
585 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
586 for TARGET_NOMACSAVE.
587 (NOMACSAVE_BIT): Define.
588 (TARGET_NOMACSAVE): Define.
589 (TARGET_SWITCHES): Add "nomacsave".
591 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
593 * sh.md (untyped_call): Remove excess parameters
595 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
597 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
598 match that used before the conversion to c_fix style.
599 * fixinc/fixincl.x: regenerate
601 2000-06-01 Stan Cox <scox@cygnus.com>
603 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
606 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
608 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
610 * cpplib.c (parse_include): Remove support for VAX-C
611 "#include starlet" misfeature.
613 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
615 * cppfiles.c: conditionally define O_BINARY.
616 (open_include_file): pass O_BINARY to open().
618 2000-06-01 Richard Henderson <rth@cygnus.com>
620 * i960.c (i960_br_predict_opcode): Remove.
621 (i960_print_operand) [+]: Emit branch prediction hints.
622 (i960_function_arg): Return early for VOIDmode.
623 (i960_round_align): Return early for incomplete types.
624 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
625 * i960.md (all conditional branches): Add "%+".
627 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
629 * alias.c (get_alias_set): Don't call language-specific routine more
630 than is needed and clean up code a bit.
631 * c-common.c (c_get_alias_set): All references whose type
632 is char get alias set 0, but character types need not.
633 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
634 (make_decl_rtl): Don't call it for FUNCTION_DECL.
636 2000-06-01 Bruce Korb <bkorb@gnu.org>
638 * fixinc/tests/base/...: new base result files
640 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
642 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
643 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
644 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
647 2000-06-01 Richard Henderson <rth@cygnus.com>
649 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
651 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
653 2000-05-31 Richard Henderson <rth@cygnus.com>
655 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
656 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
657 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
659 2000-05-31 Richard Henderson <rth@cygnus.com>
661 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
662 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
663 (ia64_print_operand) [+]: ... here. Use current_output_insn.
664 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
665 * config/ia64/ia64.md (all branch/call patterns): Use %+.
667 2000-05-31 Richard Henderson <rth@cygnus.com>
669 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
671 2000-05-31 Richard Henderson <rth@cygnus.com>
673 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
675 (find_if_block): Allow THEN with no outgoing edges.
676 * flow.c (merge_blocks_nomove): Remove a barrier not following
679 2000-05-31 Richard Henderson <rth@cygnus.com>
681 * flow.c (propagate_block): Move initialization of mem_set_list ...
682 (init_propagate_block_info): ... here. Also track blocks with
683 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
685 2000-05-31 Richard Henderson <rth@cygnus.com>
687 * jump.c (jump_optimize_1): Revert 05-18 change.
689 2000-05-31 Mark Mitchell <mark@codesourcery.com>
691 * invoke.texi: Remove documentation for -fguiding-decls.
693 2000-05-31 Richard Henderson <rth@cygnus.com>
695 * configure.in: Fix typo last change.
697 2000-05-31 Philipp Thomas <pthomas@suse.de>
699 * configure.in (enable-nls): Enable if build == host, i.e. when
700 not building a canadian cross compiler.
701 (enable-maintainer-mode): Added for use with i18n.
702 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
703 cross section of ALL_LINGUAS and LINGUAS.
704 * configure: Rebuild.
706 2000-05-31 Bruce Korb <bkorb@gnu.org>
708 * fixinc/check.tpl: rework to use test result tree
709 * fixinc/Makefile.in: change invocation of check script
710 * fixinc/check.diff: No longer needed
711 * fixinc/fixincl.x: regenerate
712 * fixinc/inclhack.def: add new tests
713 * fixinc/tests/base/arch/i960/archI960.h: New test result
714 * fixinc/tests/base/curses.h: modified test result
715 * fixinc/tests/base/stdio.h: ditto
716 * fixinc/tests/base/time.h: ditto
717 * fixinc/tests/base/sys/asm.h: ditto
718 * fixinc/tests/base/sys/stat.h: ditto
719 * fixinc/tests/base/sys/wait.h: ditto
721 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
723 * except.c (clear_function_eh_region): Do not free NULL.
725 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
727 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
728 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
729 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
730 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
731 (find_base_decl): New function, from c_find_base_decl in c-common.c.
732 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
733 (get_alias_set): Likewise.
734 Major rework to do more things and allow language-specific code
735 to just handle special-cases.
736 (record_alias_subset): Args are HOST_WIDE_INT.
737 (record_component_alias): Local vars are HOST_WIDE_INT.
738 Don't handle COMPLEX_EXPR.
739 (get_varargs_alias_set): Moved from builtins.c.
740 (get_frame_alias_set): New function.
741 * builtins.c (expand_builtin_return_address): Use frame alias set.
742 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
744 (get_memory_rtx): Rework to use set_mem_attributes.
745 (get_varargs_alias_set): Deleted from here.
746 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
747 (c_find_base_decl): Deleted from here.
748 (c_get_alias_set): Remove many cases and rework to just handle
750 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
751 * c-decl.c (rtl.h, expr.h): Now included.
752 (init_decl_processing): Call record_component_aliases on array types.
753 (grokdeclarator): Likewise.
754 Set TREE_ADDRESSABLE for all fields that are not bitfields.
755 * c-typeck.c (common_type): Call record_component_aliases for array.
756 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
757 Set all save areas to the frame alias set.
758 * calls.c (initialie_argument_information): Call set_mem_attributes.
759 (compute_argument_addresses, expand_call): Likewise.
760 * explow.c (set_mem_attributes): New function.
761 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
762 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
763 LEN and OFFSET now HOST_WIDE_INT.
764 (clear_by_pieces): Similar changes.
765 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
766 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
767 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
768 (clear_by_pieces_1): Likewise.
769 (emit_push_insn): Call set_mem_attributes.
770 (expand_expr, case INDIRECT_REF): Likewise.
771 (expand_expr, case VAR_DECL): Call change_address.
772 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
774 (get_varargs_alias_set, get_frame_alias_set): New decls.
775 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
776 (new_alias_set, set_mem_attributes): Likewse.
777 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
778 (assign_stack_temp_for_type): Likewise.
779 Can split slot even if alias set since can copy.
780 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
781 (assign_temp): Use host_integerp and tree_low_cst.
782 (put_var_into_stack): Properly handle SAVE_EXPR.
783 (put_addressof_into_stack): Likewise.
784 (assign_parms): Call set_mem_attributes.
786 (fix_lexical_address): Put reference to chain into frame alias set.
787 (expand_function_start): Call set_mem_attributes.
788 * integrate.c (expand_inline_function): Likewise.
789 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
790 * regmove.c (try_apply_stack_adjustment): Likewise.
791 * reload.c (push_reload, make_memloc): Likewise.
792 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
793 * rtl.def (MEM): Update comment.
794 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
795 (move_by_pieces): Change length to HOST_WIDE_INT.
796 (record_base_value, record_alias_subset): Delete from here.
797 * stmt.c (expand_decl): Call set_mem_attributes.
798 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
799 * toplev.c (compile_file): Call init_alias_once earlier.
800 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
801 from here: now in alias.c.
802 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
803 (struct tree_decl): Likewise.
804 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
805 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
806 (output_constant_def, force_const_mem): Likewise.
808 * flow.c (propagate_block): If block has no successors, stores to
809 frame are dead if not used.
811 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
813 * stmt (expand_end_case): Reorder conversion sequence for jump
814 table to avoid extra truncations.
816 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
818 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
819 in the block is more than just a simple conditional branch.
820 (noce_process_if_block): Similarly.
822 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
824 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
827 2000-05-30 Michael Meissner <meissner@redhat.com>
829 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
830 instructions. Treat LO_SUM operations as loading the full integer
833 2000-05-30 Richard Henderson <rth@cygnus.com>
835 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
837 2000-05-30 Richard Henderson <rth@cygnus.com>
839 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
841 2000-05-30 Bruce Korb <bkorb@gnu.org>
843 * fixinc/tests/*: Added expected result files for fixinc's make check
844 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
846 2000-05-30 Richard Henderson <rth@cygnus.com>
848 * config/alpha/alpha.md (*setne_internal): Use match_operator
849 instead of working down from insn.
851 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
853 * invoke.texi (-Wtraditional): Update WRT function macros.
855 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
857 * except.c (free_exception_table): Do not free NULL.
859 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
861 * cpplib.c (do_if): Don't save and restore only_seen_white here.
862 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
865 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
867 * flow.c (mark_used_reg): If a register is unconditionally live,
868 remove any conditional death information.
870 2000-05-29 Richard Henderson <rth@cygnus.com>
872 * final.c (current_output_insn): New.
873 (final_scan_insn): Set it.
874 * output.h: Declare it.
876 2000-05-29 Richard Henderson <rth@cygnus.com>
878 * stor-layout.c (finalize_record_size): Fix typo.
880 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
883 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
885 * cpplib.h (cpp_reader): Remove if_stack. Change
886 potential_control_macro to a cpp_hashnode *. Add skipping flag.
887 * cpphash.h (struct ihash): Change control_macro to a
888 cpp_hashnode * and shorten name to cmacro.
889 Add NEVER_REINCLUDE constant.
891 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
892 Examine the cmacro node directly, no need to call cpp_defined.
893 (_cpp_execute_include, read_include_file): Set cmacro to
894 NEVER_REINCLUDE, not U"".
895 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
896 (cpp_get_token): If pfile->skipping is true, discard text and
897 keep scanning until we hit a directive; don't expand macros.
899 * cpplib.c (struct if_stack): Remove if_succeeded, add
900 was_skipping. Change control_macro to a cpp_hashnode * and
901 shorten name to cmacro. Remove typedef IF_STACK.
902 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
903 (conditional_skip, skip_if_group,
904 consider_directive_while_skipping): Delete.
905 (push_conditional): New.
906 (_cpp_handle_directive): Don't process directives other than
907 conditionals if we are skipping.
909 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
910 Update to new scheme.
911 (validate_else): Skip rest of line here, unconditionally.
912 (_cpp_unwind_if_stack): The stack is per-buffer. Force
915 (all): Remove `scare quotes' from error messages.
917 2000-05-29 Richard Henderson <rth@cygnus.com>
919 * function.c (emit_return_into_block): New line_note arg; emit it.
920 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
921 for the close brace to accompany HAVE_return. Move all line notes
922 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
924 2000-05-29 Richard Henderson <rth@cygnus.com>
926 * longlong.h [__alpha] (count_leading_zeros): New.
927 (count_trailing_zeros): New.
928 (COUNT_LEADING_ZEROS_0): New.
930 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
931 (alpha_split_conditional_move): New.
932 * config/alpha/alpha-protos.h: Prototype them.
933 * config/alpha/alpha.h (PREDICATE_CODES): Update.
934 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
935 * config/alpha/alpha.md: Update ffs cix commentary.
937 (*nabssf2, *nabsdf2): New.
938 (*mov[qhsd]icc_internal): Use add_operand.
939 (if_then_else constant splitters): New.
940 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
941 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
943 2000-05-29 Richard Henderson <rth@cygnus.com>
945 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
946 a constant to NEG or NOT when conditions allow.
948 * combine.c (combine_simplify_rtx): Don't create an if_then_else
949 unless both args are general_operand. Don't canonicalize plus
950 to ior unless it helps.
952 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
953 instead track register_life_up_to_date. Toggle no_new_pseudos
956 2000-05-28 Geoff Keating <geoffk@cygnus.com>
958 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
959 so output_operand doesn't see them.
961 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
963 * lcm.c (make_preds_opaque): Fix comment.
964 (optimize_mode_switching): Use NORMAL_MODE instead of
965 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
966 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
967 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
968 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
969 (MODE_USES_IN_EXIT_BLOCK): Delete.
970 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
971 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
972 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
973 (MODE_NEEDED): Don't look for USE.
974 (EPILOGUE_USES): Define.
976 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
978 * mklibgcc.in (all): Variable initialised to `libgcc'.
980 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
982 * toplev.h (skip_leading_substring): New macro.
983 * toplev.c (decode_f_option): Use skip_leading_substring instead
985 (decode_W_option): Likewise.
987 2000-05-28 Nick Clifton <nickc@cygnus.com>
989 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
992 2000-05-28 Richard Henderson <rth@cygnus.com>
994 * regclass.c (record_operand_costs): Protect reg_changes_size
995 with CLASS_CANNOT_CHANGE_SIZE.
997 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
999 2000-05-28 Richard Henderson <rth@cygnus.com>
1001 * function.c (diddle_return_value): A pcc-style struct return
1004 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1006 * cppfiles.c: Read files in, using mmap if possible, then
1007 prescan them separately.
1008 (read_file, read_with_read): New functions.
1009 * cpplex.c: Don't define UCHAR_MAX.
1010 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
1013 * cppinit.c (handle_option): Automatically define __cplusplus,
1014 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
1015 the respective -lang switch.
1017 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
1018 prototype): Move to...
1019 * cpplib.h: ... here. Rename struct hashnode to struct
1020 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
1021 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
1023 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
1025 * config/rs6000/rs6000.md (movsi): Constify 'name'.
1027 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
1028 (class_can_change_size): New variable.
1029 (reg_changes_size): New variable.
1030 (init_reg_sets_1): Initialise class_can_change_size.
1031 (record_operand_costs): Remove subreg_changes_size.
1032 Don't pass it around. Instead update reg_changes_size.
1033 (regclass): Initialise and free reg_changes_size. If a register
1034 changes size, don't preference it to a class that contains
1035 registers that can't change size.
1036 (record_reg_classes): Don't look at subreg_changes_size.
1038 2000-05-27 Richard Henderson <rth@cygnus.com>
1040 * print-rtl.c (reg_names): Remove const.
1041 * regclass.c (reg_names): Likewise.
1042 * regs.h (reg_names): Likewise.
1043 * hard-reg-set.h (reg_names): Likewise.
1045 2000-05-27 Richard Henderson <rth@cygnus.com>
1047 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
1049 2000-05-27 Richard Henderson <rth@cygnus.com>
1051 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
1052 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
1053 (alpha_expand_prologue): Emit prologue_mcount if needed.
1054 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
1055 * config/alpha/alpha.md (prologue_mcount): New.
1056 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
1057 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
1058 * config/alpha/netbsd.h: Likewise.
1060 2000-05-27 Richard Henderson <rth@cygnus.com>
1062 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
1063 change to config/elfos.h.
1065 2000-05-27 Richard Henderson <rth@cygnus.com>
1067 * Makefile.in (resource.o): Depend on except.h.
1068 * except.h (output_exception_table_data): Prototype.
1069 * genconfig.c (gen_peephole2): Prototype.
1070 * genemit.c (main): Include ggc.h.
1071 * genoutput.c: Revert parts of last change: include errors.h
1072 (main): Set progname.
1073 * recog.c: Include hard-reg-set.h before recog.h.
1074 * resource.c: Include except.h.
1076 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
1078 (alpha_write_linkage): Protect with BUFSIZ.
1079 (alpha_need_linkage): Update prototype.
1080 * config/alpha/alpha.c (function_arg): Move VMS code here.
1081 (alpha_links_base): Remove.
1083 (mark_alpha_links_node, mark_alpha_links): New.
1084 (alpha_write_one_linkage): New.
1085 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
1086 (alpha_write_linkage): Use splay_tree_foreach.
1087 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
1088 to get the linkage symbol.
1089 (call_value_vms): Likewise.
1090 * config/alpha/elf.h (output_file_directive): Remove decl.
1091 (ctors_section, dtors_section): Prototype.
1092 (sbss_section, sdata_section): Prototype.
1093 * config/alpha/vms.h (FUNCTION_ARG): Remove.
1094 (readonly_section, link_section, literals_section): Prototype.
1095 (ctors_section, dtors_section): Prototype.
1096 (vms_valid_decl_attribute_p): Remove decl.
1097 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
1099 2000-05-27 Geoff Keating <geoffk@cygnus.com>
1101 * reload.c (get_secondary_mem): Don't widen floating-point modes.
1103 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
1104 substituting the REG in a (subreg:X (reg:Y ...)).
1106 2000-05-28 Neil Booth <NeilB@earthling.net>
1108 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
1109 first token of a line BOL. Update EOF code for this.
1110 Remove illegal directive check - it appears in the (not
1111 yet committed) caller.
1112 * cpplib.h (BOL): New flag.
1114 2000-05-28 Neil Booth <NeilB@earthling.net>
1116 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
1117 (_cpp_free_toklist): No comment space to free.
1118 (expand_comment_space): Remove.
1119 (save_comment_space): Place the comment in the current token and
1120 not in a separate comment space.
1121 (_cpp_lex_line): Save comments during plain code and #define
1123 * cpplib.h (struct _cpp_toklist): Remove comment space.
1125 2000-05-28 Neil Booth <NeilB@earthling.net>
1127 * cppexp.c (parse_assertion): Supply extra argument to
1129 * cpplib.c (do_assert, do_unassert): Similarly.
1130 * cpphash.h (_cpp_init_toklist) Update.
1131 (_cpp_expand_token_space): New.
1132 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
1133 * cpplex.c (_cpp_init_toklist): New argument.
1134 (parse_string2): New argument multiline_ok.
1135 (spell_token): Take a const cpp_token *.
1136 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
1137 (SPELL_ macros): Replace with enum.
1138 (expand_token_space): Replace with _cpp_expand_token_space.
1139 Take COUNT argument.
1140 (IS_DIRECTIVE): Update.
1141 (_cpp_lex_line): Update token structure before parsing number.
1142 Don't assume start at beginning of token list.
1143 (save_comment): Use INIT_TOKEN_NAME.
1145 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1147 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
1148 -Wmissing-prototypes.
1149 * configure: Regenerate.
1150 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
1152 * builtins.c, calls.c: Change all instances of gen_call_* or
1153 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
1154 * calls.c (struct_value_size_rtx): Separate definition from
1155 initialization to avoid unused variable warning.
1157 * genflags.c (gen_macro): New function.
1158 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
1159 (gen_nonproto): Delete.
1160 (gen_insn): Put all insns on the same obstack.
1161 (main): Generate prototypes for everything unconditionally.
1163 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
1164 out check for wchar_t.
1165 * acconfig.h: Add template for ssize_t. Remove @TOP@.
1166 * system.h: Add infrastructure for defining missing
1167 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
1168 definitions of UCHAR_MAX and SSIZE_MAX.
1169 * configure: Regenerate.
1170 * config.in: Regenerate.
1172 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
1173 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
1175 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
1176 libgcc2.a, or libgcc1.null.
1178 2000-05-27 Richard Henderson <rth@cygnus.com>
1180 * Makefile.in (recog.o): Don't depend on resource.h.
1181 * recog.c: Don't include resource.h.
1182 (recog_last_allowed_insn): Remove.
1183 (recog_next_insn): Remove.
1184 (struct peep2_insn_data): New.
1185 (peep2_insn_data, peep2_current): New.
1186 (peep2_next_insn): New.
1187 (peep2_regno_dead_p, peep2_reg_dead_p): New.
1188 (peep2_find_free_register): New.
1189 (peephole2_optimize): Track life information by insn as we go.
1190 * recog.h: Update declarations.
1191 * resource.c (find_free_register, reg_dead_p): Remove.
1192 * resource.h: Remove their declarations.
1193 * toplev.c: Include hard-reg-set.h before recog.h.
1195 * genconfig.c (max_insns_per_peep2): New.
1196 (gen_peephole2): New.
1198 * genemit.c (output_peephole2_scratches): Generate calls to
1199 peep2_find_free_register; adjust surrounding code.
1200 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
1201 * genrecog.c (change_state): Don't track last_insn.
1202 (write_action): Write into *_pmatch_len before accepting.
1203 (write_tree): Adjust peephole2_insns and subroutines to match.
1205 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
1207 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
1208 (hard_int_register_operand): New.
1209 * config/alpha/alpha-protos.h: Declare it.
1210 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1211 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
1212 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
1214 2000-05-27 Richard Henderson <rth@cygnus.com>
1216 * function.c (thread_prologue_epilogue_insns): Don't move the
1217 line note at the head of the chain. Only force a lineno note
1218 before the end of block 0.
1220 2000-05-27 Richard Henderson <rth@cygnus.com>
1222 * gensupport.c (collect_insn_data): Record the maximum number
1223 of alternatives, not the last seen.
1225 * genoutput.c: Don't include errors.h.
1226 (struct data): Add lineno member.
1228 (scan_operands): Use message_with_line instead of error.
1229 (validate_insn_alternatives): Likewise.
1230 (gen_insn): Accept and store the pattern's line number.
1231 (gen_peephole, gen_expand, gen_split): Likewise.
1232 (main): Don't set progname. Pass line_no to gen_foo.
1234 2000-05-27 Richard Henderson <rth@cygnus.com>
1236 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
1237 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
1238 * config/d30v/d30v.md (attr predicable): New.
1239 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
1240 (andsi3*): Unify into one pattern.
1241 (iorsi3*, xorsi3*): Likewise.
1242 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
1244 (old cond_exec patterns): Remove.
1245 (define_cond_exec): New.
1247 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1249 * tree.h (TREE_CODE_LENGTH): New macro.
1250 * c-common.c (c_find_base_decl): Use it.
1251 * expr.c (safe_from_p): Likewise.
1252 * print-tree.c (print_node): Likewise.
1253 * tree.c (make_node, copy_node, get_identifier): Likewie.
1254 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
1255 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
1256 * fold-const.c (make_range): Likewise.
1257 (fold): Likewise; also use first_rtl_op.
1258 * c-iterate.c (collect_iterators): Use first_rtl_op.
1259 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
1260 Use IS_EXPR_CODE_CLASS.
1261 (preexpand_calls): Likewise.
1262 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1263 and TREE_CODE_LENGTH.
1264 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1266 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1268 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1270 (movdi_internal64): Likewise.
1272 * config/rs6000/rs6000.md: Correct order of operands for DImode
1275 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1276 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1277 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1278 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1279 boolean_operator for the boolean patterns without NOTs.
1281 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1282 from reg_or_u_cint_operand. Change comment and behaviour.
1283 (logical_operand): Clean up, add assertion.
1284 (non_logical_cint_operand): Also check for
1285 reg_or_logical_cint_operand.
1286 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1287 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1293 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1295 * tree.h (struct record_layout_info): Rename to (struct
1296 record_layout_info_s).
1297 * stor-layout.c (start_record_layout): Replace
1298 `record_layout_info' with `record_layout_info_s'.
1300 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1302 * flow.c (find_label_refs): New function.
1303 (find_basic_blocks_1): Call it for each alternative of a call
1306 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1308 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1311 2000-05-25 Richard Henderson <rth@cygnus.com>
1313 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1314 so strict about DImode.
1315 (alpha_swapped_comparison_operator): Likewise.
1316 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1317 any integer output mode.
1318 (*setcc_internal): Likewise.
1319 (*setcc_swapped_internal): Likewise.
1320 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1321 (*mov[qhs]icc_internal): New.
1322 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1324 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1326 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1328 2000-05-25 Richard Henderson <rth@cygnus.com>
1330 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1331 Remove add_jump; add next; replace flags with visited.
1333 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1334 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1335 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1336 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1338 (reorder_index, reorder_last_visited): Remove.
1339 (skip_insns_after_block): Rewrite to use a switch.
1340 (get_common_dest): Remove.
1341 (chain_reorder_blocks): Remove.
1342 (record_effective_endpoints): Split out from reorder_basic_blocks.
1343 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1344 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1345 Only construct the reorder chain, do not move insns. Try harder
1347 (label_for_bb, emit_jump_to_block_after): New.
1348 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1349 and adjust the jump insns appropriately. Fixup basic_block_info.
1350 (verify_insn_chain): Always define.
1351 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1353 (make_new_scope): Don't write zeros to calloc'd space.
1354 (build_scope_forest): Rely on xrealloc to DTRT.
1355 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1356 profile_arc_flag. Streamline EH test.
1358 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1359 * basic-block.h: Declare them.
1361 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1363 * emit-rtl.c (reset_used_decls): New function.
1364 (unshare_all_rtl_again): Call it.
1366 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1368 * cpplex.c (maybe_macroexpand): Warn about function-like
1369 macros used in non-function context, if -Wtraditional.
1371 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1373 * recog.c (peephole2_optimize): Use INSN_P.
1375 2000-05-25 Richard Henderson <rth@cygnus.com>
1377 * ifcvt.c (seq_contains_jump): New.
1378 (noce_try_store_flag_constants): Use it to fail conversion.
1379 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1381 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1383 * except.h (can_throw): Declare it.
1384 * except.c (can_throw): Give it external linkage.
1385 * resource.c (find_dead_or_set_registers): Use can_throw.
1387 2000-05-25 Richard Henderson <rth@cygnus.com>
1389 * flow.c (mark_set_1): Don't record conditionally dead memory.
1391 2000-05-25 Jan Hubicka <jh@suse.cz>
1393 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1394 and pc_set at the place of simplejump_p and condjump_p.
1395 * cse.c (record_jump_equiv): Likewise.
1396 * emit-rtl.c (emit): Likewise.
1397 * explow.c (find_next_ref): Likewise.
1398 * flow.c (tidy_fallthru_edge): Likewise.
1399 (init_propagate_block_info): Likewise.
1400 * gcse.c (delete_null_pointer_checks): Likewise.
1401 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1402 dead_or_predicable): Likewise.
1403 * integrate.c (copy_insn_list): Likewise.
1404 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1405 for_each_insn_in_loop, check_dbra_loop, get_condition,
1406 insert_bct, load_mems): Likewise.
1407 * resource.c (find_dead_or_set_registers): Likewise.
1408 * sibcalls.c (simplejump_p): Likewise.
1409 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1411 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1413 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1414 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1416 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1417 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1418 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1419 * rs6000.md: Name various internal patterns.
1421 2000-05-25 Jan Hubicka <jh@suse.cz>
1423 * jump.c (invert_exp_1): Remove first argument, use pc_set
1424 to get the expression.
1425 (redirect_exp): Make static; redirect only the pc_set expression,
1426 remove first argument.
1427 (invert_exp): Remove first argument, make static.
1428 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1429 any_onlyjump at most places where we originaly did condjump_p
1431 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1432 (delete_barrier_succesors): Use pc_set.
1433 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1434 calls of invert_exp and redirect_exp.
1435 * rtl.h (redirect_exp, invert_exp): Remove.
1436 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1438 2000-05-25 Richard Henderson <rth@cygnus.com>
1440 * stmt.c (expand_end_bindings): Fix thinko last change.
1442 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1443 Andrew Haley <aph@cygnus.com>
1445 * except.c (func_eh_entry): Add emitted field.
1446 (new_eh_region_entry): Set emitted field to 0;
1447 (output_exception_table_entry): Only emit previously un-emitted data,
1448 and send it to the eh_data section.
1449 (output_exception_table): Break out common parts. Output
1450 exception table for entire compilation unit to eh_data section.
1451 (output_exception_table_data): Common parts of output_exception_table.
1452 Send output to eh_data section.
1453 (output_function_exception_table): Output exception table data for
1454 a single function to eh_data section.
1455 (free_exception_table): New external to free the table.
1456 * except.h (free_exception_table): Add prototype.
1457 (output_function_exception_table): Add prototype.
1458 * final.c (final_end_function): Output function exception table
1459 for IA64_UNWIND_INFO.
1460 (final_scan_insn): Emit any unwind directives for an insn.
1462 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1464 * frame.c: Remove all DWARF 2 specific code.
1465 * config/ia64/frame-ia64.c: New file.
1466 (gthread_stuff): Make all gthread available with
1468 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1469 (__register_frame_info, __register_frame): Move to common area of file.
1470 (__register_frame_info_table, __register_frame_table): Move to common i
1472 (__deregister_frame_info, __deregister_frame): Move to common area.
1473 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1474 (read_uleb128): New version for ia64.
1475 (get_unwind_record): Read the next IA-64 unwind record.
1476 (read_R_record): Read a region header record.
1477 (process_a_b_reg_code): X record helper.
1478 (read_X_record): Read an X format record.
1479 (read_B_record): Read a B format record.
1480 (P3_record_types): List of record types matching the P3 format.
1481 (P7_record_types): List of record types matching the P7 format.
1482 (P8_record_types): List of record types matching the P8 format.
1483 (read_P_record): Read a P format record.
1484 (init_ia64_reg_loc): Set default fields for a register.
1485 (init_ia64_unwind_frame): Set defaults for all register records.
1486 (execute_one_ia64_descriptor): Execute one descriptor record.
1487 (rse_address_add): Calculate the position of a local reg in memory.
1488 (normalize_reg_loc): Turn a location descriptor into a memory address.
1489 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1490 within a specified PC offset range.
1491 (get_real_reg_value): Given a register location, retrieve its value.
1492 (set_real_reg_value): Change the value of a register location.
1493 (copy_reg_value): Copy reg values, if needed.
1494 (copy_saved_reg_state): Copy all registers that need to be copied.
1495 (process_state_between): Normalize all frame register records that
1496 fall within the specified PC range.
1497 (frame_translate): Take a processed frame description, and turn
1498 everything into addresses.
1499 (build_ia64_frame_state ): Find and create frame state record for a PC.
1500 (get_personality): Get the personality routine for a given frame.
1501 (get_except_table): Get the exception table for a given frame.
1502 (record_name): Unwind record names for debugging.
1503 (print_record): Print and unwind record.
1504 (print_all_records): Print an entire unwind image.
1505 (__ia64_backtrace): Print a backtrace.
1506 (ia64_backtrace_helper): New function.
1507 (__register_frame_info_aux): New function.
1508 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1510 * frame.h (enum unw_record_type): New unwind record types.
1511 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1512 (struct unw_r_record, unwind_record): New unwind record structs.
1513 (struct unwind_info_ptr): Unwind information layout.
1514 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1516 (struct ia64_reg_loc): Register location description.
1517 (struct ia64_frame_state): Location of all registers in a frame.
1518 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1519 * libgcc2.c (__ia64_personality_v1): Personality routine.
1520 (__calc_caller_bsp): Calculate the bsp register for the caller's
1522 (ia64_throw_helper): Figure out who to return to and set up the
1524 (__throw): Throw routine.
1526 * output.h (assemble_eh_align, assemble_eh_label): New functions
1527 to generate EH info where we want it.
1528 (assemble_eh_integer): New function.
1529 * toplev.c (compile_file): Output module level exception table for
1531 (main): Set exceptions_via_longjump and flag_new_exceptions based
1532 on IA64_UNWIND_INFO too.
1534 * varasm.c (assemble_eh_label): Generate a label via
1535 ASM_OUTPUT_EH_LABEL if it has been specified.
1536 (assemble_eh_align): Generate an alignment directive via
1537 ASM_OUTPUT_EH_ALIGN if it has been specified.
1538 (assemble_eh_label): Generate an integer value via
1539 ASM_OUTPUT_EH_type if they have been specified.
1540 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1541 (ia64_init_builtins): Add __builtin_ia64_bsp
1542 and __builtin_ia64_flushrs.
1543 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1544 IA64_BUILTIN_FLUSHRS.
1545 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1546 IA64_BUILTIN_FLUSHRS.
1548 * config/ia64/ia64.md (flushrs): New insn to flush the register
1549 stack. Add to unspec list.
1551 * config/ia64/crtbegin.asm (frame_object): Change size.
1552 (__do_frame_setup_aux): New function.
1553 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1554 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1555 * Makefile.in (LIB2ADDEH): Add.
1556 (LIB2ADD): Use LIB2ADDEH.
1558 2000-05-24 Richard Henderson <rth@cygnus.com>
1560 * recog.c (offsettable_address_p): If mode size is zero, assume
1563 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1565 * configure.in: Check for -Wno-long-long option support and improve
1566 handling of warning CFLAGS for stages 1 and 2.
1567 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1568 * configure: Regenerate.
1570 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1572 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1573 * contrib.texi: New file.
1575 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1577 * loop.c (basic_induction_var): Avoid double recording of an increment.
1579 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1581 * Back out this patch:
1582 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1583 * loop.h (struct induction): Add multi_insn_incr.
1584 * loop.c (basic_induction_var): New multi_insn_incr argument.
1585 Set it if we search back through previous insns for the biv.
1586 (record_biv): New multi_insn_incr argument; fill in struct induction.
1587 (strength_reduce): Discard an iv with multiple bivs, any of
1588 which require multiple insns to increment.
1590 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1592 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1594 * rtl.h (loc_mentioned_in_p): Declare.
1595 * reload.c (loc_mentioned_in_p): Moved from here...
1596 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1597 Fix loop increment for 'E' handling.
1598 * loop.c (strength_reduce): When doing biv->giv conversion,
1599 take multi-insn biv increments into account.
1601 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1603 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1606 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1608 * calls.c (expand_call): Handle cleanups in tail-recursion
1609 arguments analagously to cleanups in sibling calls.
1611 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1613 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1614 All callers changed.
1616 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1618 * expr.c (expand_assignment, store_expr, expand_expr,
1619 expand_expr_unaligned): Set in_check_memory_usage while emitting
1620 chkr_check_addr libcall.
1622 2000-05-24 Nick Clifton <nickc@cygnus.com>
1624 * fold-const.c (extract_muldiv): When constructing a
1625 multiplier/divisor, do not expect const_binop to correctly
1626 determine if overflow has occured, so check explicitly.
1628 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1630 * c-decl.c (build_enumerator): Don't modify the value's type,
1633 2000-05-24 Andreas Jaeger <aj@suse.de>
1635 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1637 2000-05-24 Eric Christopher <echristo@cygnus.com>
1639 * configure.in: Redefine inhibit_libc conditions.
1640 * libgcc2.c: Remove inhibit_libc conditional define.
1641 * configure: Regenerate.
1643 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1645 * configure.in: For --enable-languages=LIST, check for empty LIST.
1646 * configure: Regenerate.
1648 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1650 * pdp11.h (STACK_BOUNDARY): Define.
1652 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1654 * ifcvt.c (if_convert): Update life info globally.
1656 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1658 * emit-rtl.c (unshare_all_decls): New function.
1659 (unshare_all_rtl): Call it.
1661 2000-05-23 Nick Clifton <nickc@cygnus.com>
1663 * configure.in: Treat 'strongarm' as if it were 'arm' when
1664 determining cpu type.
1666 * configure: Regenerate.
1668 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1669 where constant strings are involved.
1671 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1674 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1675 cases where constant strings are involved.
1677 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1679 * config/sh/sh.c (gen_far_branch, split_branches): Update
1680 to reflect new prototypes for redirect_jump and invert_jump.
1681 (sh_insn_length_adjustment): Get rid of const warnings.
1683 2000-05-23 Kazu Hirata <kazu@hxi.com>
1685 * invoke.texi (Options for Debugging Your Program or GCC): Update
1686 the names of dump files.
1688 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1690 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1691 * configure: Regenerated.
1693 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1695 * simplify-rtx.c (SIGN_EXTEND): New macro.
1696 (simplify_unary_operation, simplify_binary_operation,
1697 simplify_relational_operation): Use SIGN_EXTEND. Make low
1698 halves of (low, high) pairs unsigned if they weren't already.
1699 (simplify_ternary_operation): Cast INTVAL to unsigned before
1700 comparing to a MODE_BITSIZE.
1702 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1704 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1705 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1707 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1708 gcc_AC_NEED_DECLARATIONS.
1710 * dwarfout.c: Don't prototype time().
1712 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1714 * system.h: Likewise.
1716 * toplev.c: Likewise.
1718 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1720 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1722 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1724 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1726 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1728 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1730 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1732 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1733 (alpha_start_function): Never write ..ng label if VMS or NT.
1734 (alpha_align_insns): Remove GP_IN_USE arg.
1735 Alignment now unsigned.
1736 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1737 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1738 and two define_insn's.
1740 2000-05-22 Richard Henderson <rth@cygnus.com>
1742 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1744 2000-05-22 Richard Henderson <rth@cygnus.com>
1746 * stor-layout.c (place_field): Change rli->size to rli->offset.
1748 2000-05-22 Richard Henderson <rth@cygnus.com>
1750 * function.c (thread_prologue_and_epilogue_insns): Make sure
1751 existing line number notes appear after the prologue.
1753 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1755 * config/alpha/alpha.c (alpha_fnname): New static variable.
1756 (print_operand, case '~'): New case.
1757 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1758 (alpha_start_function): Set alpha_fnname.
1759 Write "ng" label if no ldgp; don't write ldgp insn.
1760 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1761 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1763 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1765 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1768 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1770 * varasm.c (eh_frame_section): Revert change to argument list.
1772 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1774 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1775 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1777 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1778 dangling "else" that causes "break" to be conditional.
1779 Also remove unneeded code at start.
1781 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1783 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1784 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1785 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1787 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1789 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1792 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1794 * alias.c (record_component_aliases): New function.
1795 * tree.h: Clean up some declarations and comments.
1796 (record_component_aliases): New declaration.
1797 * tree.c (get_alias_set): If type and has alias set, use it.
1799 2000-05-22 Richard Henderson <rth@cygnus.com>
1801 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1802 IF_THEN_ELSE to a setcc form.
1803 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1805 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1807 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1808 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1810 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1812 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1815 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1817 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1818 * config/mn10300/mn10300.c (print_operand): Likewise.
1820 * final.c (split_double): Right shift of negative values is not
1823 * ifcvt.c (if_convert): Scan and kill dead code.
1825 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1827 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1829 * diagnostic.c: Eliminate implicit int.
1830 * except.c, gcc.c: Add static prototypes.
1831 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1832 * gensupport.c (process_rtx): Use XVEC to initialize vector
1835 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1836 debug_reg_names instead of static reg_names. If not, define
1838 * regclass.c: Don't define global reg_names unless
1839 DEBUG_REGISTER_NAMES is defined.
1841 * reload1.c (order_regs_for_reload): Remove unused variable.
1842 * varasm.c: Include output.h after defaults.h. Define
1843 eh_frame_section as function of no args, not of unspecified args.
1845 * gcc.c: Constify argbuf; arguments to store_arg,
1846 process_command, main; elements of struct command and struct
1847 switchstr; local variables in execute, process_command, main.
1849 2000-05-20 Bruce Korb <bkorb@gnu.org>
1851 * fixinc/inclhack.def: many applications of c_fix=format + tests
1852 * fixinc/check.diff: regenerated
1853 * fixinc/fixincl.x: regenerated
1855 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1857 * alias.c: Clarify some comments.
1858 (record_base_value): REGNO is unsigned.
1859 * rtl.h (record_base_value): Likewise.
1861 * alias.c (aliases_everything_p): Don't special-case QImode here.
1862 * c-common.c (c_get_alias_set): Do it here.
1863 Handle BIT_FIELD_REF by getting alias info for arg.
1866 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1868 * mklibgcc.in: Restore rule to create ${dir}.
1870 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1872 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1873 GCC_FOR_TARGET used by MULTILIBS.
1874 * mklibgcc.in: Make sure each .o file depends on the
1875 directory it will be in.
1876 Make the multilib directory depends libgcc.
1878 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1880 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1882 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1884 * fold-const.c (make_range): Handle degenerated intervals.
1885 Fixes c-torture/execute/991221-1.c
1887 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1889 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1890 * reload.c (find_equiv_reg): Likewise.
1891 * alias.c (init_alias_analysis): Likewise.
1892 Only call prologue_epilogue_contains on insns.
1893 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1894 * bb-reorder.c (hard-reg-set.h): Include earlier.
1895 * haifa-sched.c (hard-reg-set.h): Likewise.
1896 * ifcvt.c (hard-reg-set.h): Likewise.
1897 * local-alloc.c (hard-reg-set.h): Likewise.
1898 * loop.c (hard-reg-set.h): Likewise.
1899 * predict.c (hard-reg-set.h): Likewise.
1900 * regrename.c (hard-reg-set.h): Likewise.
1901 * flow.c (hard-reg-set.h): Likewise.
1902 (reg_set_to_hard_reg_set): New function.
1903 * bitmap.c (regs.h, basic-block.h): No longer include.
1904 (bitmap.h): Now include.
1905 * conflict.c (hard-reg-set.h): Include.
1906 * profile.c (hard-reg-set.h): Likewise.
1907 * print-rtl.c (hard-reg-set.h): Likewise.
1908 * sbitmap.c (hard-reg-set.h): Likewise.
1909 * toplev.c (hard-reg-set.h): Likewise.
1910 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1911 * hard-reg-set.h (reg_names): Now constant.
1912 * regs.h (reg_names): Likewise.
1913 * regclass.c (reg_names): Likewise.
1914 * loop.h (basic-block.h): No longer include.
1915 (bitmap.h): Now include.
1916 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1917 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1918 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1920 2000-05-19 Jan Hubicka <jh@suse.cz>
1921 Richard Henderson <rth@cygnus.com>
1923 * basic-block.h (struct edge_def): New field "count".
1924 (struct basic_block_def): Likewise.
1925 * flow.c (entry_exit_blocks): Add count fileds.
1926 (split_edge): Keep count information up-to-date.
1927 (dump_edge_info, dump_flow_info): Dump count fields.
1929 * final.c (count_instrumented_edges): Rename to edge from arc.
1930 (end_final): Update users.
1931 * profile.c: Include expr.h, basic-block.h.
1932 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1933 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1934 (ignore_next_note, return_label_execution_count): Kill.
1935 (bbg_file_name, da_file_name): Kill.
1936 (edge_info, bb_info): New structures.
1937 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1938 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1939 (total_num_edges_instrumented): Likewise.
1940 (init_arc, expand_spanning_tree): Kill.
1941 (fill_spanning_tree, tablejump_entry_p): Kill.
1942 (instrument_edges): Rewrite from instrument_arcs to use
1943 commit_edge_insertions infrastructure.
1944 (compute_branch_probabilities): Remove arguments; rewrite for
1945 CFG infrastructure; use rtl_dump_file directly.
1946 (branch_prob, find_spanning_tree): Likewise.
1947 (union_groups, find_group): New.
1948 (init_branch_prob): Make bbg_file_name and da_file_name local.
1949 (end_branch_prob): Use rtl_dump_file directly.
1950 (init_edge_profiler): Rename to edge from arc.
1951 (output_arc_profiler): Kill.
1952 (gen_edge_profiler): New.
1953 (output_func_start_profiler): Turn off profiling. Make the
1954 constructor static when we can.
1955 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1957 * toplev.c (DFI_flow): Remove.
1958 (DFI_cfg, DFI_life): New.
1959 (dump_file): Update accordingly.
1960 (compile_file): Call end_branch_prob if profile_arc_flag too.
1961 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1962 profiling after the CFG is built. Move flow1 life analysis to
1963 DFI_life. Always estimate remaining probabilities.
1965 2000-05-19 Richard Henderson <rth@cygnus.com>
1967 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1969 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1971 2000-05-19 Richard Henderson <rth@cygnus.com>
1973 * jump.c (redirect_jump): Add delete_unused argument. Don't
1974 remove labels and code following when LABEL_NUSES goes to zero.
1975 (invert_jump): Likewise.
1976 (jump_optimize_1): Fix redirect/invert arguments.
1977 (do_cross_jump, thread_jumps): Likewise.
1978 * flow.c (split_edge): Likewise.
1979 * reorg.c (optimize_skip): Likewise.
1980 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1981 * profile.c (instrument_arcs): Likewise.
1982 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1983 * rtl.h: Update prototypes.
1985 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1987 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1989 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1992 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1994 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1995 past l1 when deleting whitespace and markers.
1997 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1998 * cpplib.c (do_unassert): Put the list to compare against on
2001 2000-05-19 Bruce Korb <bkorb@gnu.org>
2003 * fixinc/README: cleaned up old documentation
2004 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
2005 * fixinc/check.tpl: compute the list of needed directories
2006 emit "#if defined(name)" because of conflict
2007 omit machine name differences from output differences
2008 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
2009 (machine_name): change test text to use `sed' markers
2010 * fixinc/fixincl.x: regen
2012 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2014 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
2017 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2019 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
2020 it to match the current practice.
2022 2000-05-18 Mark Mitchell <mark@codesourcery.com>
2024 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
2026 2000-05-18 Richard Henderson <rth@cygnus.com>
2028 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
2029 * rtl.h (insn_dependant_p): Declare it.
2030 * loop.c (strength_reduce): Use it.
2032 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
2034 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
2035 16-bit and 64-bit clean-up.
2037 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
2039 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
2040 * configure: Rebuilt.
2042 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2044 * genopinit.c: Use $ for escape sequences in optab patterns.
2045 Remove backslashes from optab patterns. Change $A, $B, $C to
2046 expand to (int) whatever instead of just whatever; remove
2047 explicit (int) from all optab patterns.
2049 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
2050 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
2051 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
2052 genrecog.c: Remove private copies of xmalloc, xrealloc, and
2055 2000-05-18 Richard Henderson <rth@cygnus.com>
2057 * jump.c (jump_optimize_1): Base minimum insn count during
2058 find_cross_jump on BRANCH_COST.
2060 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2062 * print-rtl.c (print_rtx): Only print note line number as string
2063 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
2064 * final.c (final_scan_insn): Do nothing for note line number 0.
2066 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2068 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
2069 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
2070 NOTE_INSN_DELETED_LABEL.
2072 2000-05-18 Nick Clifton <nickc@cygnus.com>
2074 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
2075 uninitialised data in .rodata not .bss, and do not interpret an
2076 error in the initialisation value as meaning that the variable
2077 should be placed in the .bss section.
2079 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
2081 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
2082 not `$ac_cv_prog_cc_cc_c_o'.
2083 * configure: Regenerated.
2085 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2086 Richard Henderson <rth@cygnus.com>
2088 * c-common.h (enum c_tree_index): Add g77 type entries.
2089 (g77_integer_type_node, g77_uinteger_type_node): New.
2090 (g77_longint_type_node, g77_ulongint_type_node): New.
2091 * c-decl.c (init_decl_processing): Initialize them.
2093 2000-05-18 Richard Henderson <rth@cygnus.com>
2095 * config/h8300/h8300.md (subs patterns): Use %G to negate.
2097 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
2098 (small_power_of_two): Likewise; use exact_log2.
2099 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
2100 (output_adds_subs): Remove.
2101 (two_insn_adds_subs_operand): New.
2102 (split_adds_subs): New.
2103 * config/h8300/h8300-protos.h: Update.
2104 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
2105 (CONST_OK_FOR_L): Match strict adds operands.
2106 (CONST_OK_FOR_N): Match struct subs operands.
2107 * config/h8300/h8300.md (adds_subs insns): Remove.
2108 (addhi patterns): Output adds/subs directly.
2109 (addsi_h8300h): Likewise.
2110 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
2112 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2114 * cppexp.c (parse_assertion): New.
2115 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
2116 (_cpp_parse_expr): Remove case '#'. Don't set
2117 parsing_if_directive.
2118 * cpphash.c (collect_objlike_expansion,
2119 collect_funlike_expansion, collect_params,
2120 _cpp_create_definition): The list no longer has a trailing
2122 * cpphash.h (enum node_type): Add T_ASSERTION.
2123 (struct hashnode): Remove aschain, add pred.
2124 (struct predicate): New.
2127 * cpplex.c (expand_token_space): Handle both offset and
2129 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
2130 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
2131 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
2132 _cpp_equiv_toklists): New.
2133 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
2134 stop at any single-character token, not just newline.
2135 (_cpp_lex_token): Remove special cases for #define and #if.
2136 (cpp_get_token): Expect # as a separate token type. Remove
2138 (_cpp_get_directive_token): Remove DIRECTIVE case.
2139 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
2141 * cpplib.c (_cpp_check_directive): Set dirno and
2142 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
2143 (_cpp_handle_directive): Run # <number> through the same logic
2144 as normal directives.
2145 (do_define): Don't set parsing_define_directive. Use
2146 _cpp_scan_until. The list does not have a VSPACE at the end.
2147 (do_if): Save, clear, and restore only_seen_white around
2149 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
2150 (do_assert, do_unassert): Rewrite.
2152 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
2153 (LIST_OFFSET): New flag.
2154 (struct cpp_toklist): Replace dir_handler and dir_flags with
2156 (struct cpp_reader): Remove parsing_if_directive and
2157 parsing_define_directive.
2159 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2161 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
2162 following the cabs decl which terminate on the following line.
2163 Add the corresponding test_text case.
2165 2000-05-18 Neil Booth <NeilB@earthling.net>
2167 * cppinit.c (cpp_reader_init): Initialise col_adjust and
2168 default tab stop size.
2169 (no_num, OPT_ftabstop): New.
2170 (handle_option): Handle "ftabstop=" command-line option.
2171 (print_help): Document it.
2172 * cpplex.c (COLUMN): Remove.
2173 (handle_newline): Reset col_adjust.
2174 (skip_whitespace): Update col_adjust as tabs encountered.
2175 (_cpp_lex_line): Update to use col_adjust. Call
2176 skip_whitespace for all whitespace.
2177 * cpplib.h (struct cpp_options): New member tabstop.
2178 (struct cpp_reader): New member col_adjust.
2179 (CPP_BUF_COL): Update.
2180 (CPP_BUF_COLUMN): New.
2181 * cpp.texi: Document "-ftabstop=" command line option.
2183 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
2185 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
2187 * configure: Rebuilt.
2189 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
2191 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
2193 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
2194 HOST_BITS_PER_WIDE_INT is >= 64.
2196 2000-05-17 Richard Henderson <rth@cygnus.com>
2198 * jump.c (jump_optimize_1): Remove inactive but real insns
2199 in jump-to-next-insn optimization.
2201 2000-05-17 Richard Henderson <rth@cygnus.com>
2203 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
2204 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
2205 Don't call recompute_reg_usage if no_new_pseudos is true.
2206 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
2207 Return true if we did work; update global life information.
2208 * basic-block.h (optimize_mode_switching): Update decl.
2210 2000-05-17 Neil Booth <neilb@earthling.net>
2212 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
2214 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
2216 * cpplib.c: New feature, #pragma system_header.
2217 * cpp.texi: Document special treatment of system headers, and
2218 the various mechanisms to get a header that special treatment.
2220 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2222 * system.h (offsetof): Define at the very end, to ensure we prefer
2223 the platform's definition if available.
2225 2000-05-16 Bruce Korb <bkorb@gnu.org>
2227 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
2228 * fixinc/server.c: likewise
2229 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
2230 + #ifdef debugging code + use #def constant for
2232 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
2233 on C++ math namespace
2235 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2237 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
2238 Don't check the return value of sprintf. Use asprintf to avoid
2241 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
2243 * flags.h (warn_unused_function, warn_unused_label,
2244 warn_unused_parameter, warn_unused_variable, warn_unused_value):
2245 Replace ``warn_unused''.
2246 (set_Wunused): Add declaration.
2247 * toplev.c (set_Wunused): New function.
2248 (warn_unused_function, warn_unused_label, warn_unused_parameter,
2249 warn_unused_variable, warn_unused_value): New variables.
2250 (W_options): Add -Wunused-function, -Wunused-function,
2251 -Wunused-label, -Wunused-parameter, -Wunused-variable and
2252 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
2254 * toplev.c (decode_W_option): Update -Wunused flags by calling
2256 * c-decl.c (c_decode_option): Ditto for -Wall.
2258 * stmt.c (expand_expr_stmt, expand_expr_stmt,
2259 warn_about_unused_variables): Replace warn_unused with more
2260 explicit warn_unused_value et.al.
2261 * function.c (expand_function_end): Ditto.
2262 * c-typeck.c (internal_build_compound_expr,
2263 internal_build_compound_expr): Ditto.
2264 * c-decl.c (poplevel, pop_label_level): Ditto.
2265 * toplev.c (check_global_declarations): Replace warn_unused with
2266 check for either warn_unused_function or warn_unused_variable.
2268 * gcc.1, invoke.texi (Warning Options): Document
2269 -Wunused-function, -Wunused-function, -Wunused-label,
2270 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2272 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2274 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2275 $(srcdir), not in the current directory.
2277 2000-05-16 Richard Henderson <rth@cygnus.com>
2279 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2280 assembler supports it.
2281 (.fini, .init): Use a gp-relative indirect call.
2282 (__do_global_dtors_aux): Preserve the gp; rebundle.
2283 (__do_frame_setup): Likewise.
2284 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2285 (.init): Use a gp-relative indirect call.
2286 (__do_global_ctors_aux): Preserve the gp.
2288 2000-05-16 Richard Henderson <rth@cygnus.com>
2290 * flow.c (commit_one_edge_insertion): Be prepared for a return
2291 insn to be inserted on the edge with a normal jump.
2292 * jump.c (jump_optimize_1): Don't look to create return isns.
2294 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2295 * jump.c (jump_optimize_1): Likewise.
2296 (returnjump_p): Verify the argument is a JUMP_INSN.
2297 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2299 2000-05-16 Nick Clifton <nickc@cygnus.com>
2301 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2302 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2303 (large_insn_p): Ditto.
2304 (m32r_is_insn): New function: Return true if the insn contains
2305 an executable instruction.
2306 (m32r_adjust_insn): Use m32r_is_insn.
2307 (m32r_sched_reorder): Use m32r_is_insn.
2308 (m32r_sched_variable_issue): Use m32r_is_insn.
2310 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2312 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2315 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2317 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2318 according to given options.
2320 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2322 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2323 if X has VOIDmode either.
2324 (LIMIT_RELOAD_CLASS): Similarly.
2326 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2327 not "general_operand" to match the processor's capabilities.
2329 2000-05-16 Bruce Korb <bkorb@gnu.org>
2331 * fixinc/README: corrected return address
2332 * fixinc/check.diff: regenerate, now that test works
2333 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2334 (char_macro_def_fix,char_macro_use_fix): corrected and
2335 rewrote to use regex to parse the text
2336 * fixinc/inclhack.def: more testing
2337 * fixinc/fixincl.x: regenerated
2339 * fixinc/inclhack.def: added several "test_text" attributes
2340 changed several fixes to use `c_fix = format'
2341 re-alphabetized the fixes
2343 * fixinc/check.diff: regenerate
2344 * fixinc/fixincl.x: regenerate
2345 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2349 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2351 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2353 2000-05-15 Richard Henderson <rth@cygnus.com>
2355 * toplev.c (rest_of_compilation): Run full jump pass before
2356 find_basic_blocks of flow2.
2358 2000-05-15 Richard Henderson <rth@cygnus.com>
2360 * jump.c: Fix typos and clarify commentary from last change.
2361 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2362 (safe_to_remove_jump_p): Remove.
2363 (condjump_label): Use pc_set.
2365 2000-05-15 Richard Henderson <rth@cygnus.com>
2367 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2368 that get in the way after reload.
2369 (cond_exec_process_if_block): Skip a label heading THEN block.
2371 2000-05-15 Richard Henderson <rth@cygnus.com>
2373 * varasm.c (output_constant_pool): Abort instead of converting
2374 (improperly) deleted labels to zero.
2376 2000-05-16 Neil Booth <NeilB@earthling.net>
2378 * cpplex.c (parse_string2): Update comment.
2379 (cpp_lex_line): No special assertion treatment for '('.
2380 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2381 * cpplib.h (SYNTAX_ASSERT): Remove.
2383 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2385 * jump.c (condjump_p): Mark as depreached.
2386 (any_condump_p): New.
2387 (any_uncondump_p): New.
2389 (safe_to_remove_jump_p): New.
2390 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2391 safe_to_remove_jump_p): Declare.
2393 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2395 * calls.c: Re-install both patches reverted by last patch.
2396 (struct arg_data): New field tail_call_reg.
2397 (initialize_argument_information): Initialize tail_call_reg
2398 (load_register_parameters): New argument flags, use
2399 tail_call_reg when emiting tail call sequence.
2400 (expand_call): Update call of load_register_parameters;
2401 copy unadjusted_args_size to adjusted_args_size.
2403 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2405 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2406 and bct_p parameters to flags.
2407 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2408 * rtl.h (loop_optimize): Update prototype.
2409 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2411 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2413 * calls.c (expand_call): Move expand_start_target_temps call after
2416 2000-05-15 Neil Booth <NeilB@earthling.net>
2418 * cpphash.c (trad_stringify, warn_trad_stringify,
2419 collect_params): Make some pointers pointers to const.
2420 * cpplex.c (auto_expand_name_space) Guaranteed to always
2421 expand by at least one character.
2422 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2423 (struct token_spelling): Use const U_CHAR * rather than PTR.
2424 (expand_name_space): Fix up token pointers if name space
2425 is moved when expanding.
2426 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2427 parse_string2, save_comment, spell_token, cpp_output_list):
2428 Update so the routines handle tokens with a direct pointer to
2429 their text, rather than an offset into the token's list's namebuf.
2430 (_cpp_lex_line): Rearrange for clarity.
2432 * cpplib.c (_cpp_check_directive): Similarly.
2433 (do_define): Make SYM a pointer to const.
2434 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2435 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2436 (TOK_OFFSET): Delete.
2439 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2441 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2444 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2446 (logical_u_operand): Delete.
2447 (non_logical_cint_operand): Rewrite to take MODE into account.
2448 (non_logical_u_cint_operand): Delete.
2449 (boolean_operator): New function.
2450 (print_operand): Add new %q operand.
2451 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2452 remove logical_u_operand and non_logical_u_cint_operand,
2453 update logical_operand and non_logical_cint_operand.
2454 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2455 logical operations to use %q.
2457 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2458 (movdi): Make similar to movsi.
2459 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2460 is no such thing as a DImode CONST_DOUBLE.
2461 * config/rs6000/rs6000.c (output_toc): Likewise.
2463 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2464 codes when old mnemonics are in use. Print register names
2465 for cc registers when requested.
2467 * optabs.c (expand_float): Don't allow mode widening that causes
2470 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2471 flags to their current names -maix64 and -maix32.
2473 2000-05-14 Bruce Korb <bkorb@gnu.org>
2475 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2476 and/or after current text of file
2477 * fixinc/fixlib.c(must_malloc):
2478 * fixinc/fixlib.h(must_malloc): + reformatting
2479 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2480 with usages of ``c_fix = wrap;''
2481 Add several tests and use the ``c_fix = format'' fixer more.
2482 * fixinc/fixincl.x: regen
2483 * fixinc/check.diff: regen
2484 * fixinc/check.tpl: emit the associated header with the missing
2487 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2489 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2490 variables $src and $dst.
2492 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2494 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2495 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2496 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2497 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2499 (set_message_prefixing_rule): Declare.
2501 * diagnostic.c: (current_prefixing_rule): New variable.
2502 (set_message_prefixing_rule): Define.
2503 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2504 (init_output_buffer): Adjust Initialization.
2505 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2507 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2509 * ifcvt.c (if_convert): Do not free NULL.
2511 2000-05-12 Nick Clifton <nickc@cygnus.com>
2513 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2514 to move a double word value.
2515 (di_operand): New function: Return true if the operand is suitbale
2516 for a double word move operation.
2517 (nonimmediate_di_operand): New function: Return true if the
2518 operand is a DImode register or MEM.
2520 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2521 nonimmediate_di_operand.
2523 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2524 nonimmediate_di_operand.
2526 * config/fr30/fr30.md (movdi): New pattern. Required because
2527 other patterns generate DImode results.
2528 (movdi_insn): New pattern.
2530 2000-05-12 Richard Henderson <rth@cygnus.com>
2532 * config/alpha/alpha.c (struct shadow_summary): Define
2533 bitfields as type unsigned int.
2535 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2537 * config/avr/t-avr: Added definition of FLOAT while generates
2540 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2541 peepholes for tst+jump = sbrs/sbrc optimization.
2543 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2545 * expr.c (emit_push_insn): Do not adjust stack pointer when
2548 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2550 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2551 * system.h (offsetof): ... to here.
2553 2000-05-12 Richard Henderson <rth@cygnus.com>
2555 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2556 * final.c (final_end_function): Use app_disable. Rearrange note
2557 handling into a switch. Emit deleted labels.
2558 (output_asm_label): Generate label strings for deleted labels.
2559 * flow.c (tail_recursion_label_list): New.
2560 (find_basic_blocks_1): Set label_value_list directly. Collect list
2561 of tail recursion labels from call_placeholders. Don't add deleted
2562 labels to the label value list.
2563 (cleanup_cfg): Use free_EXPR_LIST_list.
2564 (flow_delete_insn_chain): Turn non-removable labels into notes.
2565 (flow_delete_block): Don't disable deleting the block because of
2566 a non-removable label.
2567 (tail_recursion_label_p): New.
2568 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2570 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2572 (merge_blocks): Disable a merge because of tail recursion labels.
2573 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2574 Use a more accurate measure of not merging the join block.
2575 (find_if_block): Don't disable conversion because of a label.
2576 (find_if_case_1, find_if_case_2): Likewise.
2577 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2578 element when copying.
2579 (squeeze_notes): Also leave EH notes.
2580 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2582 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2584 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2585 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2586 referring to a deleted label. Convert tail handling to a switch.
2587 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2588 for NOTE_INSN_DELETED_LABEL.
2589 (NOTE): Fix commentary.
2590 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2591 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2592 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2593 (LABEL_NUSES, LABEL_REFS): Likewise.
2594 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2596 2000-05-12 Bruce Korb <bkorb@gnu.org>
2598 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2599 * fixinc/check.diff: updated
2600 * fixinc/inclhack.def: corrected & added some test_text-s
2601 * fixinc/genfixes: removed unneeded options to autogen invocation
2602 * fixinc/fixincl.tpl: Specified the output file
2603 * fixinc/fixfixes.c: visual appearance
2604 * fixinc/fixincl.x: regenerate
2606 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2608 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2609 CTRL_defn_fix): Delete.
2610 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2611 char_macro_def_fix and char_macro_use_fix, respectively. Put
2612 them into the FIXUP_TABLE. Get the string to search for from
2615 (format_write): New function.
2616 (format_fix): Use it.
2618 (FIX_PROC_HEAD): Constify text parameter.
2619 (machine_name_fix): Constify all char *s.
2620 * fixtests.c (skip_quote): Remove double static.
2622 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2623 ctrl_use_quotes): Update for new scheme.
2624 * fixincl.x: Regenerate.
2626 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2628 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2630 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2631 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2633 2000-05-11 Robert Lipe <robertlipe@usa.net>
2635 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2636 * fixincl.x: Regenerate.
2638 2000-05-11 Richard Henderson <rth@cygnus.com>
2640 * calls.c: Revert both 05-09 patches.
2642 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2644 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2646 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2649 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2650 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2652 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2654 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2656 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2658 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2660 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2662 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2663 * config/avr/avr.c (jump_over_one_insn_p): New function.
2664 * config/avr/avr.md: New peepholes added. Output test and
2665 conditional jump to "sbrc" or "sbrs" command.
2667 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2669 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2671 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2673 * except.c (find_exception_handler_labels_1): New function.
2674 (find_exception_handler_labels): Split into two functions, dive
2675 into CALL_PLACEHOLDERs when looking for exception handler labels.
2677 2000-05-11 Stan Cox <scox@cygnus.com>
2679 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2680 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2681 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2683 2000-05-11 Bruce Korb <bkorb@gnu.org>
2685 * fixinc/fixfixes.c (double_slash_fix): obsolete
2686 (else_endif_label_fix): obsolete
2687 (format_fix): new, unused as yet
2689 * fixinc/fixlib.h: added fix description struct for use by format_fix
2690 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2691 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2692 modules. Removed the vestiges of the script version.
2693 Added support for "make check".
2694 * fixinc/check.diff: base diff file (needs work!!)
2695 * fixinc/check.tpl: quiet the fixup output
2696 * fixinc/fixtests.c (main): obsolete
2697 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2698 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2700 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2702 * toplev.c (rest_of_compilation): Remove dead code after
2705 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2707 * cpphash.c (collect_funlike_expansion): Make "# is not
2708 followed by a macro argument name" a pedwarn, not an error.
2709 Preserve the # in the output. Suppress the warning if lang_asm.
2711 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2713 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2714 * configure: Rebuilt.
2716 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2718 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2720 2000-05-10 Kazu Hirata <kazu@hxi.com>
2722 * combine.c (try_combine): Fix a typo.
2724 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2726 * config/ia64/ia64.md (insv): Add comment.
2728 2000-05-10 Richard Henderson <rth@cygnus.com>
2730 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2731 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2732 dependancies on FPBIT and DPBIT.
2734 2000-05-10 Nick Clifton <nickc@redhat.com>
2736 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2737 when optimising for size.
2738 (mark_used_regs:) Ditto.
2739 (try_pre_increment_1): Ditto.
2741 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2743 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2744 Make error message friendlier.
2746 * cpphash.h (struct hashnode): Use struct hack for name
2748 * cpphash.c (struct hashdummy): New.
2749 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2750 (make_HASHNODE): No need to set ->name pointer. Correct
2752 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2754 2000-05-10 Richard Henderson <rth@cygnus.com>
2756 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2759 2000-05-10 Bruce Korb <bkorb@gnu.org>
2761 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2763 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2765 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2766 after we enter .debug.
2768 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2770 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2771 abstract instance of a nested inline function.
2773 * stor-layout.c (finish_record_layout): finalize_type_size
2774 before laying out the pending_statics.
2776 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2778 * cpplex.c (spell_token): New function.
2779 (spell_string, spell_comment, spell_name): fold into
2782 (E, H): Remove macros.
2783 (save_comment): Save comment opening characters too.
2784 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2786 * cpplib.h (I, S): Add macros.
2787 (E, H): Remove macros.
2788 (TTYPE_TABLE): Update entries for new speller.
2789 (SYNTAX_ASSERT): Remove.
2791 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2793 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2794 when removing escaped newlines. Reverse sense of test for
2797 2000-05-09 Richard Henderson <rth@cygnus.com>
2799 * flow.c (find_basic_blocks_1): Do not delete the first
2800 bb_note we run across.
2801 (create_basic_block): Use reorder_insns to move an existing
2802 bb_note to the correct place.
2804 2000-05-09 Richard Henderson <rth@cygnus.com>
2806 * calls.c (expand_call): Increment currently_expanding_call
2807 before calling optimize_tail_recursion.
2809 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2811 * reload1.c (reload_combine): Fix errors in last change.
2813 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2815 * gcc.c (used_arg): Skip over a semicolon at the end of the
2816 split-up loop; don't break out of it.
2818 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2819 (tree.o): Depend on output.h.
2821 * c-decl.c (pending_invalid_xref_file,
2822 current_function_prototype_file): Constify.
2823 (pushdecl): Constify a local char *.
2824 (define_label): Constify filename parameter.
2825 * c-lex.c (init_parse): Constify parameter and return value.
2826 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2827 * c-tree.h: Update prototypes.
2828 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2829 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2830 objc/objc-parse.c: Regenerate.
2832 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2833 * dwarfout.h: Update prototypes.
2834 * expr.c (expand_expr): Constify a local char *.
2835 * flags.h: Constify main_input_filename.
2836 * function.c (expand_function_end): Constify filename parameter.
2837 * genrecog.c (make_insn_sequence): Use a character array for
2839 (main): Remove unused variables.
2840 * input.h: Constify input_filename, main_input_filename, and
2841 file_stack.name. Update prototypes.
2842 * output.h: Declare first_global_object_name and
2843 weak_global_object_name here, as const char *.
2844 * stmt.c (expand_asm_operands): Constify filename parameter.
2845 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2846 Constify filename parameter.
2847 (input_filename, main_input_filename): Constify.
2848 * toplev.h: Update prototypes.
2849 * tree.c: Include output.h. Don't declare
2850 first_global_object_name or weak_global_object_name. Clean up string
2851 bashing in get_file_function_name_long.
2852 * tree.h (struct tree_decl): Constify filename member.
2853 (input_filename): Constify.
2855 * varasm.c (first_global_object_name, weak_global_object_name):
2857 (assemble_start_function, assemble_variable): Clean up string bashing.
2859 * gcc.c: Constify all spec-related strings initialized,
2860 transitively, from string constants. Constify all strings
2861 and string variables related to multilibs.
2862 (set_spec, read_specs): Cast argument to free to PTR.
2863 (used_arg): Do not modify multilib_matches. Use strncmp plus
2864 length comparison to compare multilib switches.
2865 * genmultilib: Constify everything declared in multilib.h.
2867 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2869 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2872 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2874 * config/avr/avr-protos.h (extra_constraint): change a type of
2875 second argument from char to int to avoid warnings.
2876 (asm_output_byte): Likewise.
2878 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2879 (initial_elimination_offset): Handle elimination from
2880 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2881 (legitimate_address_p): Use MAX_LD_OFFSET.
2882 (legitimize_address): Likewise.
2883 (out_movqi_r_mr): Likewise.
2884 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2885 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2886 (out_movsi_mr_r): Likewise.
2887 (out_movqi_mr_r): Likewise.
2888 (out_movhi_mr_r): Likewise.
2889 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2890 count as CONST_INT != 6.
2891 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2892 shift count is a CONSTANT_P, but not a CONST_INT.
2893 (ashlhi3_out): Coding style modifications.
2894 (ashlsi3_out): Likewise.
2895 (ashrhi3_out): Likewise.
2896 (ashrsi3_out): Likewise.
2897 (lshrhi3_out): Likewise.
2898 (lshrsi3_out): Likewise.
2899 (ashrqi3_out): Generate shift for any known constant count without
2900 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2901 but not a CONST_INT.
2902 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2903 shift count is a CONSTANT_P, but not a CONST_INT.
2904 (extra_constraint): change a type of
2905 second argument from char to int to avoid warnings.
2906 (asm_output_byte): Likewise.
2907 (asm_file_end): Output size generated commands count as a hex
2910 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2912 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2914 (ashlqi3): Values of "length" attribute changed. Shift count
2915 uses constraints 'n' instead of 'i'.
2916 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2917 shifts without clobber register.
2918 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2919 (call_insn): Correct test for which_alternative == 1 (was 0).
2920 (call_value_insn): Likewise.
2922 * config/avr/t-avr: Remove definition of FLOAT while generates
2925 2000-05-09 Bruce Korb <bkorb@gnu.org>
2927 * fixinc/check.tpl: Template for checking fixes
2928 * fixinc/inclhack.def: Added 'test_text' for many fixes
2929 disable hpux8_bogus_inlines on SCO
2930 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2932 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2934 * calls.c (expand_call): Reorganize somewhat in order
2935 to avoid unnecesary recalculation inside loop and make
2936 tail call failure code cleaner.
2938 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2940 * alias.c (nonlocal_reference_p): Minor reformatting.
2941 * reload.c (find_equiv_reg): Simplify logic for
2942 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2943 some some reformatting.
2944 * reload1.c (reload_combine): Don't assume everything in
2945 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2947 2000-05-08 Richard Henderson <rth@cygnus.com>
2949 * final.c (current_insn_predicate): New.
2950 (final_scan_insn): Set it.
2951 * output.h (current_insn_predicate): Declare.
2953 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2954 Attach it to call insns.
2955 (cond_exec_process_if_block): Track probability for true and
2957 (dead_or_predicable): Likewise.
2959 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2960 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2961 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2962 (estimate_probability, expected_value_to_br_prob): Use them.
2964 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2965 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2966 (ia64_expand_prediction): New.
2967 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2968 as needed after calls.
2969 (ia64_epilogue_uses): Mark b0 used.
2970 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2971 (bne_true, bne_false): Remove.
2972 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2973 (br_true, br_false): New. Use predicate_operator and
2974 ia64_expand_prediction.
2975 (return_true, return_false): Likewise.
2976 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2977 (call_internal1, call_value_internal): Likewise.
2978 (call_value_internal1, call_multiple_values_internal1): Likewise.
2980 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2982 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2984 2000-05-08 Richard Henderson <rth@cygnus.com>
2986 * rtlanal.c (may_trap_p): Consider old-style and volatile
2989 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2991 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2993 2000-05-08 Richard Henderson <rth@cygnus.com>
2995 * config/ia64/ia64.h (predicate_operator): Declare.
2997 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
3000 * gensupport.c (process_rtx): Copy and post-process each member
3001 of the define_insn rtvec individually.
3003 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
3005 * cpplex.c (spell_token): New function.
3006 (TOKEN_LEN): Add 1 for whitespace.
3007 (_cpp_lex_file): Update to use spell_token.
3008 * cpplib.h (E): Remove.
3009 (TTYPE_TABLE): Update CPP_VSPACE entry.
3011 2000-05-08 Richard Henderson <rth@cygnus.com>
3013 * flow.c (init_propagate_block_info): Watch out for conditional
3014 branch to next instruction, and thus one outgoing edge.
3016 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
3017 for global register variables; don't special case __[CD]TOR_LIST__;
3018 mind ggc_p for string allocation.
3020 2000-05-08 Nick Clifton <nickc@cygnus.com>
3022 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
3024 2000-05-08 Bruce Korb <bkorb@gnu.org>
3026 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
3027 i?86-*-msdosdjgpp* no longer uses fixincludes
3028 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
3029 * fixinc/inclhack.sh: deleted
3030 * fixinc/hackshell.tpl: deleted
3031 * fixinc/inclhack.tpl: deleted
3032 * fixinc/Makefile.in: Remove dependencies on above
3033 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
3035 2000-05-08 Andreas Jaeger <aj@suse.de>
3037 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
3040 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
3042 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
3045 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
3047 * cpplex.c: Move new lexer definitions and prototypes
3048 to top. Conditional include these and the code if
3049 NEW_LEXER is defined. Rename functions whose names
3050 clash if this code included.
3052 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
3054 * rtl.def (COND_EXEC): Clarify.
3056 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
3057 same fashion as zero_extendsidi2.
3059 2000-05-06 Richard Henderson <rth@cygnus.com>
3061 * config/ia64/ia64.c (predicate_operator): New.
3062 (ia64_print_operand): Handle 'J'.
3063 (rtx_needs_barrier): Handle COND_EXEC.
3064 * config/ia64/ia64.h (BRANCH_COST): Define.
3065 (PREDICATE_CODES): Update.
3066 * config/ia64/ia64.md: Docuement used unspec values.
3067 (attr predicable): New.
3068 (movxf, movxf_internal): New.
3069 (extendsfdf2): Don't comment out nop.
3070 (floatdidf2): Remove.
3071 (truncxfsf2, truncxfdf2, floatdixf2): New.
3072 (abssi2, absdi2): Put the neg in the "true" slot.
3073 (conditional branch instructions): Mark not predicable.
3074 (cmov*_internal): Use predicate_operator. Split to cond_exec.
3075 (abs*_internal): Likewise.
3076 (alloc, set_bsp): Mark not predicable.
3077 (barrier, insn_group_barrier, flush_cache): Likewise.
3078 (define_cond_exec): New.
3080 2000-05-06 Richard Henderson <rth@cygnus.com>
3082 * c-decl.c: Include "tm_p.h".
3084 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
3085 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
3086 (ia64_expand_op_and_fetch): Declare.
3087 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
3088 (setjmp_operand): Constify variables for XSTR.
3089 (ia64_encode_section_info): Likewise.
3090 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
3092 (ia64_asm_output_external): Constify name.
3093 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
3094 (process_for_unwind_directive): Provide switch default.
3095 (ia64_expand_compare_and_swap): Remove unused variables.
3096 (ia64_expand_builtin): Likewise.
3097 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
3100 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
3101 (symbolic_operand, function_operand, setjmp_operand): Likewise.
3102 (shift_count_operand, shift_32bit_count_operand): Likewise.
3103 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
3104 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
3105 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
3106 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
3107 (ia64_expand_builtin): Likewise.
3108 (call_multiple_values_operation): Make dest_regno unsigned.
3110 2000-05-06 Richard Henderson <rth@cygnus.com>
3112 * rtl.def (DEFINE_COND_EXEC): New.
3113 * md.texi: Document it.
3115 * gensupport.c (input_file): Remove.
3116 (struct queue_elem): Add lineno.
3117 (rtx_ready_queue): Remove.
3119 (predicable_default): New.
3120 (predicable_true, predicable_false): New.
3121 (define_attr_queue, define_attr_tail): New.
3122 (define_insn_queue, define_insn_tail): New.
3123 (define_cond_exec_queue, define_cond_exec_tail): New.
3124 (other_queue, other_tail): New.
3125 (queue_pattern): New.
3126 (process_rtx): Add patterns to the appropriate queues.
3127 (is_predicable, identify_predicable_attribute): New.
3128 (n_alternatives, collect_insn_data): New.
3129 (alter_predicate_for_insn, alter_test_for_insn): New.
3130 (shift_output_template, alter_output_for_insn): New.
3131 (process_one_cond_exec, process_define_cond_exec): New.
3132 (init_md_reader): Read the entire file. Process define_cond_exec.
3133 (read_md_rtx): Return elements from the queues.
3135 2000-05-06 Richard Henderson <rth@cygnus.com>
3137 * flow.c (mark_set_1): Don't update conditional life info
3138 if the register is not_dead.
3140 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3142 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
3143 (mostlyclean): Also delete fixincl, fixinc.sh, and
3144 specs.ready, and make clean in the fixinc subdir.
3146 2000-05-06 Richard Henderson <rth@cygnus.com>
3148 * Makefile.in (gensupport.o): Compile for the host.
3149 (host-prefix gensuuprt.o): Remove.
3150 (genflags.o): Depend on gensupport.h and OBSTACK_H.
3151 (genattrtab.o): Likewise.
3152 (gencodes.o): Depend on gensupport.h.
3153 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
3154 (genpeep.o, genattr.o, genoutput.o): Likewise.
3156 * gensupport.c (obstack, rtl_obstack): New.
3157 (init_md_reader): Initialize rtl_obstack.
3158 * gensupport.h (rtl_obstack): Declare.
3159 (message_with_line): Declare.
3161 * genattr.c: Remove all traces of obstack manipulation.
3162 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3163 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3165 * genattrtab.c (obstack, rtl_obstack): Remove.
3166 (main): Don't init rtl_obstack.
3167 * genflags.c: Likewise.
3169 * genrecog.c (message_with_line): Move ...
3170 * gensupport.c: ... here.
3172 2000-05-06 Richard Henderson <rth@cygnus.com>
3174 * c-typeck.c (build_c_cast): Remove dead code.
3176 2000-05-06 Richard Henderson <rth@cygnus.com>
3178 * flow.c (split_edge): Don't allocate global_live_at_start for
3179 the new block unless the old blocks had them as well.
3181 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
3183 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
3184 test_bb if a or b uses x.
3186 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3188 * cpphash.h: Remove conditional #define of __extension__.
3189 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
3190 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
3191 (ENABLE_RTL_CHECKING only).
3192 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
3193 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
3194 (ENABLE_TREE_CHECKING only).
3195 * varray.h: Add __extension__ to VARRAY_CHECK macro
3196 (ENABLE_CHECKING only).
3198 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3200 Use new tail-calling mechanism on ARM.
3201 * arm.md (sibcall, sibcall_value): New expands.
3202 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
3203 (tailcalling peepholes): Delete.
3204 (push_multi): Simplify.
3205 * arm.c (lr_save_eliminated): Delete definition.
3206 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
3207 (output_return_instruction): Remove checks on lr_save_eliminated.
3208 (output_arm_prologue): Remove old tail-calling code.
3209 (arm_output_epilogue): New parameter, really_return. All callers
3210 changed. Handle tail-calling epilogues.
3211 * arm.h (lr_save_eliminated): Delete declaration.
3212 (frame_pointer_needed): Delete declaration.
3213 * arm-protos.h (arm_output_epilogue): Adjust prototype.
3215 * arm.md (is_thumb): Examine symbol thumb_code, not expression
3217 * arm.c (thumb_code): Define it.
3218 (arm_override_options): Set it.
3219 * arm.h (thumb_code): Declare it.
3221 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3223 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
3225 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3227 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
3228 bogus clobber to insns.
3229 (load_multiple_operation, store_mulitple_operation): Don't check
3231 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
3233 * arm.md (and_scc, ior_scc): Add missing mode.
3235 * arm.md (call_value_symbol): Remove predicate from op2.
3237 * arm.h (SPECIAL_MODE_PREDICATES): Define.
3239 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3241 * expr.c (get_subtarget): New function.
3242 (force_operand, expand_expr, do_store_flag): Use it.
3244 * toplev.c (compile_file): Don't take strlen of NAME if null.
3246 2000-05-06 David Edelsohn <edelsohn@gnu.org>
3248 * xcoffout.c (xcoff_current_include_file,
3249 xcoff_current_function_file, xcoff_lastfile): Constify char *.
3250 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
3252 (xcoffout_declare_function): Make name 'const char *'.
3253 (xcoffout_end_epilogue): Make fname 'const char *'
3254 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
3255 xcoffout_declare_function, xcoffout_source_line): Match above.
3257 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
3259 * rs6000.c (print_operand): Fix lossage typo.
3260 (output_cbranch): Remove "cr" decoration for now.
3261 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3263 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3265 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3268 2000-05-05 Bruce Korb <bkorb@gnu.org>
3270 * fixinc/genfixes: Improve the matching for make target names
3272 2000-05-05 Catherine Moore <clm@cygnus.com>
3274 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3275 attribute to the decl.
3276 * c-decl.c (pushdecl): Propagate the USED attribute to the
3279 2000-05-05 Richard Henderson <rth@cygnus.com>
3281 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3282 same way emit_group_load does.
3284 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3286 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3288 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3291 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3293 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3295 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3297 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3298 to support -shared, on platforms with dynamic libraries.
3300 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3302 * system.h (S_ISBLK): Provide fallback definition.
3304 2000-05-05 Geoff Berry <geoffb@bops.com>
3306 * extend.texi (Extended Asm): Document inability to give asm
3307 statements access to condition codes.
3309 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3311 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3312 as arg 2 of UNIQUE_SECTION.
3314 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3316 * predict.c: Remove May 4 change.
3317 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3318 if we have predicted the branch at 50-50 probability.
3320 2000-05-05 Richard Henderson <rth@cygnus.com>
3322 * flow.c (init_propagate_block_info): Fix merge error
3323 in HAVE_conditional_execution code.
3325 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3327 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3328 shift cycle for unknown shift count. Also generates dec + brpl.
3329 (ashlqi3_out): Don't generate dec + brpl which now generates by
3330 `out_shift_with_cnt'.
3331 (ashlhi3_out): Likewise.
3332 (ashlsi3_out): Likewise.
3333 (ashrqi3_out): Likewise.
3334 (ashrhi3_out): Likewise.
3335 (ashrsi3_out): Likewise.
3336 (lshrqi3_out): Likewise.
3337 (lshrhi3_out): Likewise.
3338 (lshrsi3_out): Likewise.
3340 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3342 * gcc.c (free_split_directories): Correct typo in explanation
3343 of make_relative_prefix.
3345 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3347 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3348 comparison codes to branch_comparison_operator.
3350 2000-05-04 Richard Henderson <rth@cygnus.com>
3352 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3354 2000-05-04 Richard Henderson <rth@cygnus.com>
3356 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3357 (DPBIT_FUNCS): Remove _sf_to_usi.
3358 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3360 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3361 between condition and jump.
3363 * libgcc2.c (near eh_context_specific): Comment #endif string.
3364 * longlong.h: Don't use strings with embedded newlines.
3366 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3368 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3369 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3370 (print_operand): Delete %t and %T codes.
3371 (output_cbranch): New function. Support branch prediction.
3372 * config/rs6000/rs6000.md: Use output_cbranch for
3373 conditional branches and returns.
3375 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3377 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3378 * stor-layout.c (place_field): Likewise.
3379 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3380 * expr.c (store_expr): Make align unsigned.
3381 * explow.c (plus_constant_wide): Make low words unsigned.
3382 * expmed.c (choose_multiplier): Likewise.
3383 * fold-const.c (fold): Likewise.
3384 * tree.h (build_int_2): Likewise.
3385 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3386 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3387 (init_emit): Change cast to unsigned char*.
3388 * varasm.c (compare_constant_1): Add cast to char*.
3389 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3390 * reload1.c (reload): Likewise.
3392 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3394 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3396 * predict.c (estimate_probability): If no prediction was found, then
3397 predict the successor that is the next physical block (if such a
3400 2000-05-04 Richard Henderson <rth@cygnus.com>
3402 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3404 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3406 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3408 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3410 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3411 attribute macros from here ...
3412 (CPP_SPEC): to here.
3413 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3414 (CPP_SPEC): Likewise.
3415 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3417 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3418 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3420 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3422 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3424 * diagnostic (vbuild_message_string, build_message_string,
3425 build_location_prefix, output_get_prefix, init_output_buffer,
3426 output_notice, vline_wrapper_message_with_location,
3427 v_message_with_decl, default_print_error_function): De-constify.
3428 (set_real_maximum_length): Prototype.
3430 * diagnostic.h (struct output_buffer, init_output_buffer,
3431 output_get_prefix, output_set_prefix): De-constify.
3433 * function.c (init_function_start): Constify.
3435 * gensupport.c (remove_constraints, process_rtx): Prototype.
3437 * gthr-posix.h: Indent uses of #pragma.
3439 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3442 * predict.c (find_expected_value): Delete prototype.
3443 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3445 * sbitmap.h (debug_sbitmap): Prototype.
3447 * ssa.c (compute_coalesced_reg_partition): Prototype.
3449 * stor-layout.c (debug_rli): Prototype.
3451 * tree.h (round_down): Prototype.
3452 (init_function_start): Constify.
3454 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3456 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3457 (overly conservative). Change extern inline wrappers to
3458 static inline, define them always, use PARAMS properly.
3459 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3460 whitespace warnings for \f and \v at the beginning of a line.
3462 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3464 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3467 2000-05-04 Bruce Korb <bkorb@gnu.org>
3469 * fixincl/inclhack.def: added broken_cabs -
3470 Remove `extern double cabs' declarations from math.h
3471 * fixincl/inclhack.sh: regen
3472 * fixincl/fixincl.x: regen
3473 * fixincl/fixincl.c: Remove BOGOSITY code
3474 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3476 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3478 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3480 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3481 when calling MEM_COPY_ATTRIBUTES.
3482 * emit-rtl.c (operand_subword, change_address): Likewise.
3483 * explow.c (stabilize): Likewise.
3484 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3485 * integrate.c (copy_rtx_and_substitute): Likewise.
3486 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3487 when calling MEM_COPY_ATTRIBUTES.
3488 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3490 * cse.c (gen_lowpart_if_possible): Likewise.
3491 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3492 * optabs.c (gen_move_insn): Likewise.
3493 * recog.c (validate_replace_rtx_1): Likewise.
3494 * simplify-rtx.c (add_mem_for_addr): Likewise.
3495 * stmt.c (expand_anon_union_decl): Likewise.
3496 * config/arm/arm.md: Likewise.
3497 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3498 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3499 (block_move_no_loop, block_move_sequence): Likewise.
3500 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3501 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3502 Clear MEM_ALIAS_SET.
3503 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3504 MEM_COPY_ATTRIBUTES.
3506 2000-05-03 Robert Lipe <robertlipe@usa.net>
3508 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3509 to suppress libgcc1.
3510 (i[34567]86-*-sco3.2v5*) Likewise.
3511 (i[34567]86-*-sco3.2v4*) Likewise.
3512 (i[34567]86-*-sco) Likewise.
3513 (i[34567]86-*-solaris2) Likewise.
3514 (i[34567]86-*-sysv5*) Likewise.
3515 (i[34567]86-*-sysv4*) Likewise.
3516 (i[34567]86-*-udk*) Likewise.
3517 (i[34567]86-*-sysv*) Likewise.
3519 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3521 * cpphash.h (U): New define, to correct type of string constants.
3522 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3523 routines, to do casts when passing unsigned strings to libc.
3524 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3526 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3527 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3528 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3529 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3530 second argument an U_CHAR *.
3532 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3533 length field, clean up initializer.
3534 (ISTABLE): Add __extension__ to designated-
3535 initializers version.
3536 * cpplex.c (CHARTAB): Likewise.
3538 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3539 case so the file won't be empty.
3541 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3543 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3544 (REORDER_BLOCK_SUCC): Removed.
3545 (enum reorder_skip_type): Removed.
3546 (skip_insns_between_block): Renamed to skip_insns_after_block.
3547 Removed second argument. Removed dead code and cleaned up.
3548 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3549 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3550 second parameter to skip_insns_after_block.
3552 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3554 * tree.c (staticp, case LABEL_DECL): New case.
3556 2000-05-03 Richard Henderson <rth@cygnus.com>
3558 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3560 * mklibgcc1.in: Fix typo last change.
3562 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3564 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3565 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3566 (GCC_CFLAGS): Use it.
3567 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3568 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3569 objc/Make-lang.in: Use it.
3571 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3573 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3575 2000-05-03 Richard Henderson <rth@cygnus.com>
3577 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3578 LIBGCC1 empty with libgcc1.null.
3580 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3582 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3585 2000-05-03 Greg McGary <gkm@gnu.org>
3587 * tree.h (tree_common): Add bounded_flag member. Remove
3588 inaccurate comment about number of remaining bits.
3589 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3590 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3591 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3592 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3593 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3594 (TYPE_QUAL_BOUNDED): New constant.
3595 (TYPE_QUALS): Handle bounded qualifier.
3596 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3597 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3598 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3599 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3600 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3601 (tree_type): Add pointer_depth member. Remove
3602 inaccurate comment about number of remaining bits.
3603 (DECL_POINTER_DEPTH): Add macro.
3604 (tree_decl): Add pointer_depth member.
3606 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3608 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3609 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3610 (lshrhi3_out): Likewise.
3611 (ashrsi3_out): bugfix in shift by 8.
3612 (test_hard_reg_class): New function.
3613 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3614 (ashlhi3): removed define_expand of this pattern.
3615 (*ashlhi3_insn): renamed to ashlhi3.
3616 (ashlsi3): removed define_expand of this pattern.
3617 (*ashlsi3_insn): renamed to ashlsi3.
3618 (ashrqi3): removed define_expand of this pattern.
3619 (*ashrqi3_insn): renamed to ashrqi3.
3620 (ashrhi3): removed define_expand of this pattern.
3621 (*ashrhi3_insn): renamed to ashrhi3.
3622 (ashrsi3): removed define_expand of this pattern.
3623 (*ashrsi3_insn): renamed to ashrsi3.
3624 (lshrhi3): removed define_expand of this pattern.
3625 (*lshrhi3_insn): renamed to lshrhi3.
3626 (lshrsi3): removed define_expand of this pattern.
3627 (*lshrsi3_insn): renamed to lshrsi3.
3629 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3631 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3632 inclusion of "system.h".
3634 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3636 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3639 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3641 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3642 if -mauto-pic is on.
3643 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3644 -mconstant-gp is in effect and function-descriptors are being used
3645 to make indirect calls.
3646 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3647 (MASK_AUTO_PIC): Ditto.
3648 (TARGET_CONST_GP): Ditto.
3649 (TARGET_AUTO_PIC): Ditto.
3650 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3651 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3652 -mno-pic is in effect.
3653 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3654 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3655 -mauto-pic is in effect.
3656 (gprel64_offset): New pattern.
3657 (load_gprel64): Ditto.
3658 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3659 -mconstant-gp is in effect, no need to preserve gp around direct
3661 (call_value): Ditto.
3662 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3663 (FUNCTION_PROFILER): Define.
3664 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3665 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3666 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3668 2000-05-03 Richard Henderson <rth@cygnus.com>
3670 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3671 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3672 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3673 (mklibgcc, libgcc.mk): New targets.
3674 (libgcc.a): Use libgcc.mk.
3675 (stmp-multilib): Likewise.
3676 (stmp-multilib-sub): Remove.
3677 (mostlyclean): Don't delete libgcc2 temp files.
3678 * configure.in (AC_PROG_CC_C_O): Add.
3679 (NO_MINUS_C_MINUS_O): Substitute it.
3680 (all_outputs): Add mklibgcc.
3681 * mklibgcc.in: New file.
3683 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3685 * cppexp.c (op_t): Make an int.
3687 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3689 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3691 * gensupport.c (process_rtx): Fix macros used.
3693 2000-05-03 Richard Henderson <rth@cygnus.com>
3695 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3696 call-clobbered registers of a call.
3698 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3700 * gensupport.c: New file.
3701 * gensupport.h: New file.
3702 * Makefile.in (HOST_RTL): Depend on gensupport.
3703 (gensupport.o) New rule.
3704 * genattr.c: Use gensupport for reading .md files.
3705 * genattrtab.c: Ditto.
3706 * gencodes.c: Ditto.
3707 * genconfig.c: Ditto.
3709 * genextract.c: Ditto.
3710 * genflags.c: Ditto.
3711 * genopinit.c: Ditto.
3712 * genoutput.c: Ditto.
3714 * genrecog.c: Ditto.
3715 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3716 * md.texi (Insn Splitting): Document define_insn_and_split.
3718 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3720 * flow.c (verify_flow_info): Added two more sanity checks. The
3721 first checks that the blocks are numbered consecutively. The second
3722 checks that n_basic_blocks is actually equal to the number of
3723 basic blocks in the insn chain.
3725 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3727 * cpplib.h: Add accessor macros for token lists.
3728 * cpplib.c, cpphash.c, cpplex.c: Use them.
3730 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3732 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3733 memory usage if not in a function.
3734 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3735 return address if static.
3737 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3739 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3740 whether address may trap.
3742 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3744 * bb-reorder (chain_reorder_blocks): Changed code to test for
3745 EDGE_FALLTHRU rather than making erroneous assumption that the
3746 first outgoing edge is the fall-through edge.
3748 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3750 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3751 ABI for varargs, across all MIPS. This is incompatible because the
3752 va_list (__builtin_va_list) structure is different, so a compilation
3753 unit passing a va_list and a compilation unit being passed one, should
3754 both be compiled with the same ABI. (The old structure had two
3755 pointers, now it has three.)
3757 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3759 * bb-reorder.c (struct reorder_block_def): Remove members end,
3760 block_begin, and block_end.
3761 (REORDER_BLOCK_OLD_END): Delete.
3762 (REORDER_BLOCK_BEGIN): Delete.
3763 (REORDER_BLOCK_END): Delete.
3764 (chain_reorder_blocks): Remove dead code.
3766 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3768 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3769 notes as the end of a basic block before deleting.
3771 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3773 * final.c (final_start_function): Fix spelling of "necessary".
3775 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3777 * toplev.c (debug_ignore_block): Return int.
3778 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3779 * toplev.h, dwarf2out.h: Adjust.
3780 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3782 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3783 * toplev.c, final.c, rtl.h: Adjust.
3785 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3787 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3788 * configure.in: Look for makeinfo in the unified tree, then
3789 for a system makeinfo which is sufficiently new.
3790 * Makefile.in: If configure says makeinfo is too old, don't
3791 build or install Info documentation.
3793 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3795 * cpphash.c (collect_params): Fix off-by-one error.
3796 (dump_hash_helper): Dump all four macro nodetypes.
3798 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3800 * cpphash.c (trad_stringify): Adjust p after stringification as
3803 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3805 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3806 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3808 * cppfiles.c (file_cleanup): Delete.
3809 * cpphash.c (macro_cleanup): Delete.
3810 (collect_objlike_expansion, collect_funlike_expansion,
3811 macarg, scan_arguments): Remove CPP_POP case.
3813 * cpplex.c (null_cleanup): Delete.
3814 (cpp_pop_buffer): Do the work that was done in the cleanups
3815 here. Call _cpp_unwind_if_stack from here.
3816 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3817 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3818 stack is the buffer _below_ the one we stacked.
3819 (cpp_get_token): Always pop an exhausted buffer. Return
3820 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3821 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3822 increment the line number.
3823 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3825 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3826 we see CPP_EOF and the top of stack is the buffer _below_ the
3828 * scan-decls.c: Likewise.
3830 2000-05-02 Andrew Haley <aph@cygnus.com>
3832 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3833 where this function is called for the second time on a decl that
3834 has had its section info changed in such a way as to move it out
3836 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3838 2000-05-01 Richard Henderson <rth@cygnus.com>
3840 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3841 the sequence we're moving, not to merge_bb->head.
3843 2000-05-01 Richard Henderson <rth@cygnus.com>
3845 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3846 reference to alpha/t-linux.
3847 (alpha*-*-linux-gnu*): Likewise.
3848 * configure: Rebuild.
3850 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3852 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3855 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3857 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3859 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3862 2000-05-01 Richard Henderson <rth@cygnus.com>
3864 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3865 emit_conditional_move.
3867 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3869 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3870 as the dynamic linker.
3872 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3874 * cppfiles.c (open_include_file): Open file in blocking mode.
3875 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3876 Only exclude block devices and directories.
3878 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3879 static. Allocate the hashnode and its string in the same
3881 (del_HASHNODE): Don't free h->name.
3882 (_cpp_lookup): If there is no entry for this string, create
3883 one, of type T_VOID.
3884 (_cpp_lookup_slot): Delete.
3885 * cpphash.h: Update prototypes.
3887 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3889 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3890 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3891 node here, just fill in the value field properly. "Delete"
3892 entries by setting the value field to T_VOID. Check for
3893 hp->type == T_VOID, not hp == NULL.
3895 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3896 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3899 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3901 * config/mn10300/mn10300.c (print_operand_address): Do not add
3904 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3905 adjusted by less than 256 bytes, use ret regardless of having any
3906 callee-saved register to restore.
3908 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3910 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3912 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3914 * config/i386/djgpp.h (INT_ASM_OP): Define.
3915 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3916 (ASM_WEAKEN_LABEL): Define.
3917 (MASK_BNU210): Define.
3918 (SUBTARGET_SWITCHES): Define.
3919 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3920 (MAKE_DECL_ONE_ONLY): Define.
3921 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3923 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3925 * i386/cygwin.h (INT_ASM_OP): Define.
3927 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3929 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3930 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3932 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3934 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3935 __tmp_reg__ and __zero_reg__ initialization.
3937 2000-04-30 Richard Henderson <rth@cygnus.com>
3939 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3941 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3942 referenced bewteen the condition and the jump. Don't delete
3943 anything but the jump.
3945 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3947 * bb-reorder.c (scope_def): New struct.
3948 (scope_forest_info): New struct.
3949 (struct reorder_block_def): New member "scope".
3950 (REORDER_BLOCK_SCOPE): New macro.
3951 (relate_bbs_with_scopes): New function and prototype.
3952 (make_new_scope): Likewise.
3953 (build_scope_forest): Likewise.
3954 (remove_scope_notes): Likewise.
3955 (insert_intra_1): Likewise.
3956 (insert_intra_bb_scope_notes): Likewise.
3957 (insert_inter_bb_scope_notes): Likewise.
3958 (rebuild_scope_notes): Likewise.
3959 (free_scope_forest_1): Likewise.
3960 (free_scope_forest): Likewise.
3961 (dump_scope_forest): Likewise.
3962 (dump_scope_forest_1): Likewise.
3963 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3964 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3966 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3967 and remove_scope_notes before reordering is done. Added calls to
3968 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3969 after reordering is done.
3971 2000-40-30 Bruce Korb <bkorb@gnu.org>
3973 * fixinc/inclhack.def: Added definitions needed by OSR5,
3974 removed two stale entries (defined away with OLD_CPP).
3975 * fixinc/inclhack.sh: regen
3976 * fixinc/fixincl.x: regen
3978 2000-04-30 Richard Henderson <rth@cygnus.com>
3980 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3981 from the last insn in the sequence.
3983 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3985 * cpplex.c (cpp_idcmp): New function.
3986 * cpplib.h: Prototype it.
3987 * scan_decls.c (scan_decls): Use it to inspect token names.
3988 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3989 the file being run through the preprocessor.
3990 (check_macro_names): Provide length of token to cpp_defined.
3992 * Makefile.in: Remove stale warning message.
3994 * cppfiles.c (redundant_include_p): Provide length of token to
3996 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3997 values are unsigned int.
3998 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3999 (_cpp_lookup_slot): Do not calculate the hash, either.
4000 * cpphash.h: Update prototypes.
4001 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
4002 Hashes are unsigned int. Calculate hash here, pass by value
4003 to _cpp_lookup_slot.
4005 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
4007 * simplify-rtx.c (check_value_useless): Delete function.
4008 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
4010 (cselib_invalidate_regno): Likewise.
4011 (cselib_invalidate_mem_1): Likewise.
4012 (references_value_p): Recognize useless values by the fact that they
4014 (discard_useless_values): Likewise.
4015 (cselib_record_set): This may turn a useless value
4018 2000-04-30 Richard Henderson <rth@cygnus.com>
4020 * config/d30v: New port.
4022 * configure.in (d30v-*): Set fp format.
4023 * configure: Rebuild.
4025 2000-04-30 Richard Henderson <rth@cygnus.com>
4027 * ifcvt.c: New file.
4028 * Makefile.in (OBJS): Add it.
4029 (ifcvt.o): New target.
4030 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
4031 and conditional arithmetic.
4032 (find_insert_position): Remove.
4033 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
4034 * toplev.c (DFI_ce, DFI_ce2): New.
4035 (dump_file): Add ce and ce2 dumps.
4036 (rest_of_compilation): Run if_convert a couple o times. Set
4037 cse_not_expected after cse2. Don't set no_new_pseudos until
4038 after sched1 or recompute_reg_usage.
4040 2000-04-30 Richard Henderson <rth@cygnus.com>
4042 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
4043 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
4045 2000-04-30 Richard Henderson <rth@cygnus.com>
4047 * flow.c (struct reg_cond_life_info): New.
4048 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
4049 (init_propagate_block_info): Initialize them.
4050 (free_propagate_block_info): Destruct them.
4051 (mark_set_1): Consider conditional life before killing a register.
4052 (mark_regno_cond_dead): New.
4053 (free_reg_cond_life_info): New.
4054 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
4055 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
4056 (mark_used_reg): Record conditional life.
4058 * haifa-sched.c (schedule_insns): Disable death counting
4059 sanity check for HAVE_conditional_execution.
4061 2000-04-30 Richard Henderson <rth@cygnus.com>
4063 * Makefile.in (TIMEVAR_H): New.
4064 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
4065 (timevar.h): Remove rule.
4067 2000-04-29 Richard Henderson <rth@cygnus.com>
4069 * config/alpha/crtend.asm: Use C comments instead of #.
4070 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
4072 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
4074 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
4076 * cpphash.h (enum node_type: Take out T_MCONST.
4077 (union hashval): Move into struct hashnode.
4078 (struct hashnode): Pack tighter. Remove file, line, col
4080 * cpphash.c: Constify most of the macro-definition structures.
4081 (struct definition): Replace by struct object_defn
4082 and struct funct_defn. Put file, line, column information
4083 here. All users updated to match.
4084 (_cpp_create_definition, _cpp_macroexpand): Remove special
4085 case for #define WORD OTHERWORD.
4086 * cpplib.c (do_undef): Remove T_MCONST case.
4088 * cpphash.h: Move struct reflist, struct definition, and the
4089 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
4090 union hashval. _cpp_free_definition takes a HASHNODE pointer.
4091 * cpphash.c (_cpp_free_definition): Free data pointed to by
4092 MCONST, XCONST, MACRO, and FMACRO nodes properly.
4093 (_cpp_create_definition, del_HASHNODE): Just call
4094 _cpp_free_definition to clear out a hashnode.
4095 * cpplib.c (do_pragma_poison): Likewise.
4097 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4099 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
4100 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
4101 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
4102 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
4103 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
4104 REGNO_AM33_P): Redefine in terms of the new macros.
4105 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
4106 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4107 STRUCT_VALUE): Likewise.
4108 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
4109 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
4111 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
4113 * regmove.c (struct record_stack_memrefs_data): New.
4114 (record_stack_memrefs): New function.
4115 (combine_stack_adjustments_for_block): Use it.
4117 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4119 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
4120 use special_function_p to detect alloca.
4122 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
4124 * gcc.texi: Fixes for makeinfo 4.0 --html.
4126 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
4128 * pcp.h: Delete file.
4130 2000-04-28 Kazu Hirata <kazu@hxi.com>
4132 * h8300.c (function_epilogue): Clean up flags when the last insn
4133 in a function is a barrier.
4135 2000-04-28 Chris Demetriou <cgd@sibyte.com>
4137 * configure.in (sparc-hal-solaris2*): protect [] glob from
4139 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
4140 rather than hard-coded constants in target_cpu_default2.
4141 * configure: Regenerate.
4143 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4145 * tree.c (get_callee_fndecl): Extract the initial value from
4148 2000-04-28 Richard Henderson <rth@cygnus.com>
4150 * varasm.c (record_constant_1): Record the CODE_LABEL when
4151 taking the address of a LABEL_REF.
4153 2000-04-28 Richard Henderson <rth@cygnus.com>
4154 Jan Hubicka <jh@suse.cz>
4156 * calls.c (combine_pending_stack_adjustment_and_call): Return the
4157 adjustment; don't do the stack adjust.
4158 (expand_call): Call compute_argument_block_size right before
4159 allocating the block; update comment; don't do alignment sanity
4160 checking for sibling call; use args_size instead of
4161 unadjusted_args_size before args_size is adjusted. Use
4162 combine_pending_stack_adjustment_and_call to compute stack adjust
4163 for must_preallocate case.
4165 * expr.c (push_block): Remove shadow `temp' in inner scope.
4167 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4169 * toplev.c (rest_of_compilation): Call
4170 note_deferral_of_defined_inline_function even if the function
4173 2000-04-28 Scott Bambrough <scottb@netwinder.org>
4175 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
4177 2000-04-28 Richard Henderson <rth@cygnus.com>
4179 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
4181 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4183 * timevar.c (init_timevar): DeANSIfy function definition.
4185 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4187 * Makefile.in (timevar.o): Depend on flags.h.
4188 * timevar.c (unused_stack_instances): New variable.
4189 (timevar_push): Take a timevar_stack_def from
4190 unused_stack_instances if available.
4191 (timevar_pop): Push the popped timevar_stack_def onto
4192 unused_stack_instances.
4193 (TIMEVAR_ENABLE): New macro.
4194 (timevar_def): Make standalone a 1-bit field. Add field used.
4195 (get_time): Rename parameter to now. Return after clearing it if
4197 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
4198 (timevar_pop): Likewise.
4199 (timevar_stop): Likewise.
4200 (timevar_push): Likewise. Mark the timing variable as used.
4201 (timevar_start): Likewise.
4202 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
4203 timevars that were never used.
4205 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4207 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
4208 always TREE_READONLY.
4210 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
4212 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
4213 for call instruction with mode QImode.
4215 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4217 * Makefile.in (OBJS): Add timevar.o.
4218 (toplev.o): Depend on timevar.h.
4219 (ggc-simple.o): Likewise.
4220 (ggc-page.o): Likewise.
4221 (timevar.o): New rule.
4222 (timevar.h): New rule.
4224 * timevar.h: New file.
4225 * timevar.c: Likewise.
4226 * timevar.def: Likewise.
4228 * toplev.h (gc_time, parse_time, varconst_time): Remove.
4229 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
4231 (TIMEVAR): Remove macro.
4232 (gc_time, parse_time, varconst_time, integration_time, jump_time,
4233 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
4234 flow_time, combine_time, regmove_time, sched_time,
4235 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
4236 sched2_time, dbr_sched_time, reorder_blocks_time,
4237 rename_registers_time, shorten_branch_time, stack_reg_time,
4238 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
4240 (compile_file): Don't initialize time variables. Call
4241 init_timevar and start TV_TOTAL timer. Call timevar_print instead
4242 of many calls to print_time.
4243 (rest_of_compilation): Add timing for reload_cse_regs.
4244 (get_run_time): Removed to timevar.c.
4245 (print_time): Likewise.
4246 (get_run_time): Implement using TV_TOTAL time variable.
4247 (print_time): Get total run time from get_run_time.
4248 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
4249 computing elapsed time explicitly.
4250 * ggc-simple.c (ggc_collect): Likewise.
4251 (gc_time): Remove declaration.
4253 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4255 * calls.c (combine_pending_stack_adjustment_and_call): New function.
4256 (expand_call): Use it.
4258 2000-04-27 Jan Hubicka <jh@suse.cz>
4260 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4263 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4265 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4268 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4270 * function.c (epilogue_done): Pass whole insn to record_insns.
4272 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4274 * cse.c (CSE_ADDRESS_COST): Remove.
4275 (find_best_addr): Add new parameter "MODE", use address_cost instead
4277 (address_cost): New.
4278 (fold_rtx): Update call of find_best_addr.
4279 * rtl.h (address_cost): Declare.
4280 * loop.c (general_induction_var): Add new parameter "MODE", use
4281 address_cost instead of ADDRESS_COST
4282 (init_loop): Use address_cost instead of ADDRESS_COST.
4283 (check_insn_for_givs): Update call of general_induction_var.
4284 (find_mem_givs): Likewise.
4285 (consec_sets_giv): Likewise.
4286 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4287 * i386.c (ix86_address_cost): New.
4288 * i386-protos.h (ix86_address_cost): Declare.
4290 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4292 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4295 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4297 * expr.c (store_expr): Use clear_storage instead of direct memset
4300 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4302 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4303 ASHIFT, AND and LABEL_REF.
4305 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4307 * invoke.texi (-foptimize-sibling-calls): Fix.
4309 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4311 * loop.c (load_mems) Don't use hard registers for the hoisting.
4313 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4314 calculation; rename const_equiv array in the preconditioning code
4315 from loop_unroll to loop_unroll_precondition
4317 2000-04-27 Richard Henderson <rth@cygnus.com>
4319 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4321 (propagate_one_insn): Clear it. Don't update reg_live here.
4322 (init_propagate_block_info): Update for pbi member changes.
4323 (free_propagate_block_info): Likewise.
4324 (mark_set_1): Know that zero_extract, sign_extract, and
4325 strict_low_part don't kill their argument. Alter hard subregs.
4326 Update new_set for non-CLOBBER sets. Update reg_live.
4327 (find_auto_inc): Update reg_live, not new_dead.
4328 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4329 to determine if the reg in question was set this insn. Only update
4330 reg info with PROP_REG_INFO.
4332 2000-04-26 Richard Henderson <rth@cygnus.com>
4334 * flow.c (allocate_reg_life_data): Set max_regno here ...
4335 (life_analysis): ... not here.
4337 * flow.c (calculate_global_regs_live): Force stack pointer
4340 2000-04-26 Richard Henderson <rth@cygnus.com>
4342 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4343 commit change group changes.
4344 (invert_exp_1): Similarly.
4345 (redirect_exp, invert_exp): Use them.
4346 (redirect_jump_1): New.
4347 (invert_jump_1): New.
4348 (jump_optimize_1): Remove code subsumed by condexec.c.
4349 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4351 2000-04-26 Richard Henderson <rth@cygnus.com>
4353 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4355 * genconfig.c (main): Set all HAVE_foo to 1.
4357 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4359 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4361 * invoke.texi: Document -fssa flag.
4363 2000-04-26 Richard Henderson <rth@cygnus.com>
4365 * flow.c (count_reg_sets_1): Remove.
4366 (count_reg_sets, count_reg_references): Remove.
4367 (recompute_reg_usage): Implement with update_life_info.
4368 Reallocate life data.
4370 2000-04-26 Richard Henderson <rth@cygnus.com>
4372 * flow.c (update_life_info): Consider blocks null to mean the
4374 (calculate_global_regs_live): Likewise.
4375 (life_analysis): Do that instead of collecting all_blocks.
4377 2000-04-26 Richard Henderson <rth@cygnus.com>
4379 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4380 a still-valid conditional jump.
4382 2000-04-26 Richard Henderson <rth@cygnus.com>
4384 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4386 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4387 * flow.c (calculate_loop_depth): Remove.
4388 * output.h (calculate_loop_depth): Don't declare.
4389 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4390 inline; run estimate_probability at the same time.
4392 2000-04-26 Neil Booth <NeilB@earthling.net>
4394 * cpplib.h: "~=" is not a single pp-token.
4395 * cpplex.c: Correct commentary.
4397 2000-04-26 Richard Henderson <rth@cygnus.com>
4399 * flow.c (mark_set_1): New arguments code and flags; update all
4400 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4401 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4402 loop_depth when optimizing for size. Do new_dead update after
4403 emitting REG_UNUSED notes. Merge mark_set_reg code.
4404 (mark_set_reg): Remove.
4405 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4406 arrange to not emit REG_UNUSED notes.
4408 2000-04-26 Richard Henderson <rth@cygnus.com>
4410 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4411 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4413 2000-04-26 Richard Henderson <rth@cygnus.com>
4415 * flow.c (propagate_one_insn): Break out from propagate_block.
4416 (init_propagate_block_info): Likewise.
4417 (free_propagate_block_info): Likewise.
4418 (propagate_block): Use them. Export.
4419 * basic-block.h: Declare them all.
4421 2000-04-26 Richard Henderson <rth@cygnus.com>
4423 * basic-block.h (life_analysis): Declare here ...
4424 * output.h: ... not here.
4425 * flow.c (life_analysis): Remove nregs parameter; replace
4426 remove_dead_code with flags. Remove ssa dead code check.
4427 Only init alias analysis if we'll use it.
4428 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4429 * ssa.c (convert_to_ssa): Likewise.
4430 (convert_from_ssa): Likewise.
4431 * toplev.c (rest_of_compilation): Likewise.
4433 2000-04-26 Richard Henderson <rth@cygnus.com>
4435 * flow.c (flow_delete_block): Rename from delete_block. Export.
4436 * basic-block.h (flow_delete_block): Declare.
4438 2000-04-26 David S. Miller <davem@redhat.com>
4440 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4441 taking a PATTERN of it.
4443 2000-04-26 <NeilB@earthling.net>
4445 * cpplex.c (spell_other, spell_char): Remove.
4447 (token_spelling, trigraph_map): Use unsigned chars.
4448 (_cpp_lex_line): Tidy up the switch statement.
4449 * cpplib.h: Implement spell_char with spell_string.
4452 2000-04-26 <RodneyBrown@pmsc.com>
4454 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4455 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4457 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4459 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4460 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4461 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4462 dwarf2out_return_save, dwarf2out_return_reg,
4463 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4464 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4465 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4467 * dwarf2out.h (dwarf2out_init): Likewise.
4469 * dwarfout.c (filename_entry, primary_filename, last_filename,
4470 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4472 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4473 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4474 dwarf2out_return_reg): Likewise.
4476 2000-04-26 Andreas Jaeger <aj@suse.de>
4478 * extend.texi (Function Attributes): Fix description of pure
4481 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4483 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4484 before calling rest_of_compilation.
4486 2000-04-26 Andreas Jaeger <aj@suse.de>
4488 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4491 2000-04-25 Richard Henderson <rth@cygnus.com>
4493 * cse.c (cse_insn): Emit barrier after unconditional jump.
4495 * calls.c (expand_call): Disable tail call generation once
4496 rtx_equal_function_value_matters is false.
4498 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4501 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4503 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4505 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4507 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4508 is the primary DIE for a member function.
4509 (gen_decl_die): Call set_decl_origin_self here.
4510 * dwarfout.c (output_decl): And here.
4511 * integrate.c (output_inline_function): Not here.
4512 Don't clear DECL_INLINE until after calling rest_of_compilation.
4513 (set_decl_origin_self): No longer static.
4514 * tree.h: Add prototype.
4515 * toplev.c (note_deferral_of_defined_inline_function): Only write
4516 out abstract instance for actual inlines.
4518 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4520 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4521 EXTENDED_REGS only if TARGET_AM33.
4522 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4523 SP_REGS to register allocation and reloading unless absolutely
4525 (movsi3): Remove special-case of adding non-constants to SP.
4527 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4530 INCLUDES to search and does not provide any of its own. Also it
4531 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4532 parameters. Also it does not call AC_DEFINE.
4533 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4534 AC_DEFINE and provides for automatic entries for autoheader.
4535 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4537 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4538 so we can pass -I flags and include gansidecl.h/system.h in this
4541 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4543 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4545 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4546 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4547 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4549 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4550 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4551 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4552 for these macros. Clean up spacing and linewraps.
4554 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4556 * calls.c (expand_call): Use get_callee_fndecl.
4558 * print-tree.c (print_node): Print the chain of an _EXPR.
4560 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4561 Jim Wilson <wilson@cygnus.com>
4562 Andrew Haley <aph@cygnus.com>
4564 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4565 and gp save/restore problems.
4566 * config/ia64/crtend.asm: Add IA-64 unwind support.
4567 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4568 in fr_pad_size calculation.
4569 (save_restore_insns): Move PR save area. Correct uses of
4570 RTX_FRAME_RELATED_P.
4571 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4572 (ia64_expand_epilogue): Add eh_epilogue support.
4573 (ia64_function_prologue): Emit .prologue directive.
4574 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4575 (ia64_override_options): Set init_machine_status and
4576 mark_machine_status.
4577 (rtx_needs_barrier): Handle bsp reads and writes.
4578 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4579 New static variables.
4580 (process_set, process_for_unwind_directive): New functions.
4581 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4582 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4583 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4585 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4586 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4587 (struct machine_function): Define.
4588 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4590 2000-04-25 Bruce Korb <bkorb@gnu.org>
4592 * fixinc/Makefile.in: make the removal of old programs more
4594 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4595 install-bin and install-sh
4597 2000-04-25 Nick Clifton <nickc@cygnus.com>
4599 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4600 defined, define to return zero.
4601 (function_cannot_inline_p): If a function has any target
4602 specific attributes, then use the macro
4603 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4604 whether it can be inlined. If it cannot, issue a suitable
4607 * tm.texi: Add a new node 'Inlining' to document the new macro
4608 FUNCTION_ATTRIBUTE_INLINABLE_P.
4610 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4612 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4615 2000-04-25 Neil Booth <NeilB@earthling.net>
4617 Restore previous patch, plus the following fixes:
4619 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4620 flags, not CPP_OPEN_PAREN.
4621 * cpplex.c (expand_token_space, init_token_list,
4622 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4623 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4625 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4627 * config/i386/freebsd.h (INT_ASM_OP): Define.
4629 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4631 * loop.c (strength_reduce): Fix typo in the last checkin.
4633 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4635 * stor-layout.c (finalize_record_size): Simplify to use existing
4637 (compute_record_mode): No longer static.
4638 * tree.h (compute_record_mode): New declaration.
4640 2000-04-25 Neil Booth <NeilB@earthling.net>
4642 * Revert my patch below until cause of build failures
4645 2000-04-25 Richard Henderson <rth@cygnus.com>
4647 * combine.c (combine_instructions): Add missing argument
4650 * toplev.c (rest_of_compilation): Delay sibcall optimization
4651 until after emit_eh_context.
4653 2000-04-24 Nick Clifton <nickc@redhat.com>
4655 * combine.c (combine_instructions): Do not try to combine a
4656 sequence of insns when the second insn has been replaced by a
4659 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4661 * gcc.c (load_specs): New static function.
4662 (read_specs): Use it.
4664 * gcc.c (lookup_compiler): Make multiple passes for case
4665 insensitive filesystems.
4667 2000-04-24 Neil Booth <NeilB@earthling.net>
4669 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4670 * cpphash.h (_cpp_check_directive): new.
4671 * cpplex.c (handle_newline, cpp_free_token_list,
4672 init_trigraph_map, trigraph_ok, trigraph_replace,
4673 backslash_start, skip_block_comment, skip_line_comment,
4674 skip_whitespace, parse_name, parse_number, parse_string,
4675 copy_comment, _cpp_lex_line, spell_char, spell_string,
4676 spell_comment, spell_name, spell_other, _cpp_lex_file,
4677 _cpp_output_list): new.
4678 (expand_name_space): take length argument.
4679 (init_token_list): add comment list initialisation.
4680 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4681 instead of HSPACE_BEFORE.
4683 * cpplib.c (_cpp_check_directive): new
4684 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4685 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4686 (HSPACE_BEFORE): delete.
4687 (TTYPE_TABLE): rearrange.
4688 (struct cpp_toklist): update.
4690 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4692 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4693 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4694 argument form of AC_DEFINE.
4696 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4697 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4698 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4699 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4700 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4702 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4704 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4706 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4707 deduced.h): Use -isystem, not -I, for including system headers.
4709 2000-04-24 Nick Clifton <nickc@cygnus.com>
4711 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4712 the source register is the frame pointer or arg pointer.
4713 (addsi3_small_int): Disallow if source register is the frame
4714 pointer or arg pointer.
4716 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4718 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4719 call to AC_MSG_RESULT.
4721 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4723 * invoke.texi: Correct grammatical errors, document
4724 -fno-gnu-keywords as identical to -fno-asm for C++.
4726 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4728 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4729 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4730 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4731 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4732 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4734 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4735 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4736 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4737 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4740 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4742 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4743 (pop_alignment): Likewise.
4744 (handle_pragma_token): Likewise.
4746 2000-04-24 Robert Lipe <robertlipe@usa.net>
4748 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4750 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4752 * combine.c (try_combine): Update reg_nonzero_bits of
4753 newi2pat before newpat.
4755 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4757 * loop.c (strength_reduce): Simplify test to INSN_P.
4758 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4759 expressions instead of CONST_INT.
4760 (express_from_1): Likewise.
4762 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4764 * regs.h (reg_n_max): Don't declare.
4765 * flow.c (reg_n_max): Don't define.
4766 * regclass.c (renumber): Don't initialize to zero.
4767 (regno_allocated): Likewise.
4768 (reg_n_max): Define.
4769 (allocate_reg_info): Don't initialize unnecessarily.
4771 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4773 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4774 and blockage_p in the newly allocated attribute.
4776 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4778 * config/mn10300/mn10300.md (addsi): `inc4' on address
4779 registers does not modify cc, but `inc' on an extended
4782 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4784 * reload.c (find_equiv_reg): Checks all valueno regs
4785 as a reload_reg_p regs.
4787 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4789 * cpphash.c (collect_objlike_expansion): Add sanity check.
4790 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4791 the buffer is the empty string, return. Mark __DATE__ and
4792 __TIME__ as XCONST nodes, not MCONST.
4793 (_cpp_macroexpand): Avoid pushing an empty buffer.
4794 (funlike_macroexpand): Don't pop token_buffer here.
4796 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4798 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4799 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4800 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4801 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4802 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4803 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4804 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4806 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4808 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4811 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4813 * cpphash.h (struct definition): Move file, line, col members...
4814 (struct hashnode): ... here. Also add 'disabled' flag.
4815 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4816 T_IDENTITY. Remove T_DISABLED.
4819 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4820 (collect_expansion): Split into collect_objlike_expansion and
4821 collect_funlike_expansion.
4822 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4823 funlike_macroexpand.
4824 (_cpp_compare_defs): Rename compare_defs, make static.
4825 (_cpp_make_hashnode): Initialize hp->disabled.
4826 (macro_cleanup): Adjust for new token types. Clear
4828 (_cpp_create_definition): Move code here to determine what
4829 sort of macro it is, and code to check for redefinitions, from
4830 do_define. Implement a few simple cases without creating a
4832 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4833 Handle the simple cases.
4834 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4837 * cppinit.c (builtin_array): Change MCONST to XCONST
4839 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4840 fix check for disabled and function-like macros.
4841 * cpplib.c (do_define): Move most logic to
4842 _cpp_create_definition.
4843 (do_undef): Handle new special token types.
4845 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4847 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4848 of CONSTANT_P for mult_val; always use validate_change to update insn.
4850 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4852 * cpphash.c (trad_stringify, add_pat): New functions.
4853 (collect_expansion): Restore support for -traditional syntax.
4854 Use trad_stringify and add_pat.
4855 (_cpp_macroexpand): Restore support for -traditional semantics.
4856 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4857 get a COMMENT token.
4858 (_cpp_lex_token): Provide COMMENT tokens to caller if
4859 traditional and parsing_define_directive.
4860 (skip_comment): Warn about // comments if -Wtraditional.
4861 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4863 (do_undef): Don't warn about undefining EMPTY nodes.
4865 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4867 * loop.c (strength_reduce): Fix biv removal code.
4869 2000-04-22 Richard Henderson <rth@cygnus.com>
4871 * predict.c (estimate_probability): Examine both sides of
4872 a branch for no exits. Use 90% not 50% for predict taken.
4873 Reorg for one copy of note generation code.
4875 2000-04-22 Richard Henderson <rth@cygnus.com>
4877 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4879 2000-04-22 Richard Henderson <rth@cygnus.com>
4881 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4882 (output_clear): Likewise.
4883 (output_printf): Use va_copy.
4884 (vline_wrapper_message_with_location): Likewise.
4885 (v_message_with_decl): Likewise.
4886 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4887 * system.h (va_copy): Provide default implementation.
4889 2000-04-22 Richard Henderson <rth@cygnus.com>
4891 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4892 the collected condition is not a constant.
4894 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4896 * diagnostic.h: New file.
4898 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4900 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4901 various function prototypes.
4902 (diagnostic.h): #include.
4903 (struct output_buffer): Move into diagnostic.h.
4904 (get_output_prefix): Rename to output_get_prefix. Export.
4905 (init_output_buffer): Export. Break out. Ajust intialization.
4906 (output_space_left, output_append): Export.
4907 (output_newline): Rename to output_add_newline. Export.
4908 (output_clear): Nullify additional output_buffer fields.
4909 (output_puts): Rename to output_add_string. Export.
4910 (dump_output): Rename to output_flush_on. Export.
4911 (build_location_prefix): Constify return-type.
4912 (emit_output_prefix): Rename to output_emit_prefix. Export.
4913 (set_real_maximum_length): New function.
4914 (output_set_maximum_length): Ditto
4915 (output_clear): Ditto.
4916 (output_add_character): Ditto.
4917 (output_add_integer): Ditto.
4918 (output_add_space): Ditto.
4919 (output_format): Ditto.
4920 (output_printf): Adjust buffer initialization.
4921 (vline_wrapper_message_with_location): Ditto.
4922 (v_message_with_decl): Ditto. Adjust call to output_puts
4923 and get_output_prefix.
4924 (default_print_error_function): Adjust buffer intialization.
4926 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4928 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4931 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4933 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4936 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4938 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4939 accurate data about SP moves.
4941 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4943 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4944 aliases to AM33 registers.
4946 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4948 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4949 to all EXTENDED bitmaps.
4951 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4953 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4954 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4955 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4957 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4959 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4960 the operand is not constant.
4962 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4964 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4965 as a call-clobbered regs.
4967 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4969 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4971 * rtl.def: Update comment.
4972 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4973 * integrate.c (expand_inline_function): Likewise.
4974 * profile.c (branch_prob): Likewise.
4975 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4976 * print-rtl.c (print_rtx): Likewise.
4977 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4978 (reemit_notes): Likewise; also use enum insn_note.
4980 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4981 (place_field): Properly compute know and actual alignment.
4983 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4986 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4989 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4991 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4992 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4993 (collect_expansion): Rewrite to scan over a token list.
4994 Remove -traditional support.
4995 (collect_formal_parameters): Rename to collect_params; rewrite
4996 to scan over a token list.
4997 (_cpp_create_definition): Adjust to scan a token list.
4998 (_cpp_macroexpand): Remove -traditional support.
4999 (_cpp_compare_defs): Whitespace is now canonicalized.
5000 (comp_def_part): Delete function.
5002 * cpphash.h: Update prototypes.
5003 * cpplex.c (init_token_list): Don't set lineno if there is no
5005 (pedantic_whitespace): New function.
5006 (_cpp_scan_line): Mark tokens that had hspace before. Don't
5007 consume a newline. Use pedantic_whitespace.
5008 (_cpp_lex_token): Remove support for -traditional macros.
5009 (_cpp_get_define_token): Delete.
5010 (_cpp_get_directive_token): Do the real work here. Use
5011 pedantic_whitespace.
5012 (_cpp_init_input_buffer): Initialize pfile->directbuf.
5014 * cpplib.c (get_macro_name): Delete.
5015 (do_define): Read the entire line into pfile->directbuf, then
5016 feed the token list to _cpp_create_definition.
5017 * cpplib.h (HSPACE_BEFORE): new define.
5018 (struct cpp_reader): Add a toklist member, "directbuf".
5020 * predict.c (estimate_probability): New heuristic: if a jump
5021 branches around a block with no successors, predict it taken.
5022 Disentangle control flow.
5024 2000-04-20 Richard Henderson <rth@cygnus.com>
5026 * loop.c (emit_iv_add_mult): Revert last change.
5028 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5030 * cpplib.h (enum cpp_ttype): Add token types for all
5031 punctuators. Distinguish pp-numbers from valid C numbers.
5032 Give some tokens better names. Initialize from macro.
5033 (struct cpp_name, cpp_token, cpp_toklist): New data
5036 * cpplex.c (bump_column, expand_name_space,
5037 expand_token_space, init_token_list, cpp_output_list,
5038 _cpp_scan_line): New functions.
5039 (output_line_command): Add third argument, new line number.
5040 * cpphash.h: Update prototypes.
5041 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
5044 2000-04-20 Richard Henderson <rth@cygnus.com>
5046 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
5048 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5050 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
5053 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
5055 * loop.c (emit_iv_add_mult): Simplify it's input and emit
5056 REG_EQUAL note explaining the calculated value.
5058 * calls.c (expand_call): Avoid unnecesary precalculation
5059 and outgoing parameters space guarding for sibling calls.
5060 (store_one_arg): Likewise.
5062 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5064 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
5065 (rest_of_compilation): Write sibling dump file and account
5066 for time as jump time.
5067 * invoke.texi: Update documentation on dump flags.
5069 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
5071 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
5073 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
5075 * cpphash.c (special_symbol): Represent an empty macro with
5076 "\r \r " not just "\r ".
5077 (_cpp_macroexpand): Correct condition for the foo ( ) special
5079 (unsafe_chars): Handle EOF as second argument.
5080 (push_macro_expansion): Simplify test for removing escape at
5081 end. Do not trim both escapes if there is no text in between.
5083 2000-04-19 Jim Blandy <jimb@redhat.com>
5085 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
5086 of PTR_SIZE, when appropriate.
5088 2000-04-19 Mark Mitchell <mark@codesourcery.com>
5090 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
5091 (USE_ENUM_BITFIELDS): Fix typo.
5093 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5095 * stor-layout.c (place_field): Set rli->offset_align properly.
5097 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5099 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
5100 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
5101 PARM_BOUNDARY): Remove unnecessary casts.
5103 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5105 * calls.c (precompute_arguments): Remove must_preallocate and
5107 (expand_call): Update call of precompute_arguments.
5109 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
5110 check_insn_for_givs): Break out from ...
5111 (strength_reduce) ... here; use for_every_insn_in_loop to call
5112 check_insn_for_givs.
5113 * loop.h (for_every_insn_in_loop): Declare.
5114 (loop_insn_callback): New type.
5116 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5118 * cpplib.c (do_pragma_poison): Strings in the token buffer are
5121 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
5123 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
5126 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5128 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
5130 * configure.in: Delete --disable-cpplib option and all
5131 references to cpp_main.
5132 * configure: Regenerate.
5133 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
5134 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
5135 cccp.o, cccp, or cppmain. Link cppmain.o straight to
5136 cpp$(exeext). Add --no-headers to makeinfo command line when
5137 generating INSTALL. Install and uninstall cpp.1 manpage, not
5139 * install.texi: Delete all references to cexp.y/cexp.c.
5140 Delete ancient instructions for compiling GCC on 3b1.
5141 * INSTALL: Regenerate.
5143 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
5144 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
5145 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
5147 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
5148 which is no longer tested anywhere.
5150 * cppinit.c (handle_option): Don't run error message through
5153 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5155 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
5156 * cpperror.c (hashtab.h): Now include.
5157 * cppexp.c (hashtab.h): Likewise.
5158 * cpplex.c (hashtab.h): Likewise.
5159 * cppfiles.c (hashtab.h): Likewise.
5160 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
5161 to htab_find_slot_with_hash.
5162 * cpphash.c (hashtab.h): Now include.
5163 (_cpp_lookup_slot): INSERT is now enum insert_option.
5164 * cpphash.h (_cpp_lookup_slot): Likewise.
5165 * cppinit.c (hashtab.h): Include earlier.
5166 (initialize_builtins): Pass enum to htab_find_slot.
5167 * cpplib.c (hashtab.h): Now include.
5168 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
5169 (do_pragma_poison, do_assert): Likewise.
5170 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
5171 htab_find_slot_with_hash.
5172 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
5173 * tree.c (type_hash_add): Likewise.
5174 (build1): Minor cleanup.
5176 * ggc-common.c: Add missing blanks.
5177 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
5178 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
5180 * stmt.c (mark_case_node): New function.
5181 (mark_case_nesting): Call it.
5183 * expmed.c (emit_store_flag): If comparing two-word integer
5184 with zero, can optimize NE, EQ, GE, and LT.
5186 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
5187 * conflict.c: Minor cleanups.
5188 * optabs.c: Add blank line
5189 * simplify-rtx.c: Minor cleanups.
5191 2000-04-18 Stan Cox <scox@cygnus.com>
5193 * gengenrtl.c (genlegend): Fix misspelling.
5195 2000-04-18 Robert Lipe <robertlipe@usa.net>
5197 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
5198 bitfields of the host compiler are not signed quantities.
5199 * config.in: Regenerate.
5200 * configure: Regenerate.
5201 * system.h (USE_ENUM_BITFIELDS): Added.
5202 (ENUM_BITFIELDS): Added.
5203 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
5204 (SHORT_ENUM_BUG): Deleted.
5205 * tree.h (tree_common): Members `code', `mode', `built_in_class',
5207 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
5208 (CODE_FIELD_BUG): Likewise.
5209 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
5211 * config/m68k/x-ccur (X_CFLAGS): Likewise.
5213 2000-04-18 Mark Mitchell <mark@codesourcery.com>
5215 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
5218 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5220 * cppexp.c (lex): Don't assume tokens are NUL terminated.
5221 * cpplib.c (do_include, do_import, do_include_next,
5222 read_line_number, detect_if_not_defined): Likewise.
5223 * cpphash.c (collect_expansion): Likewise.
5224 (special_symbol, _cpp_macroexpand): Check return from
5226 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
5227 macros. Delete all uses.
5229 * gcc.dg/cpp-mi.c: Add two more test cases.
5230 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
5232 2000-04-17 Richard Henderson <rth@cygnus.com>
5234 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
5235 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
5237 2000-04-17 Mark Mitchell <mark@codesourcery.com>
5239 * function.c (expand_function_start): Use hard_function_value to
5240 compute the RTL to use for DECL_RESULT.
5242 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5244 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
5245 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5246 x86_memory_mismatch_stall): New global variables.
5247 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
5248 alloved; fix load penalties for Athlon.
5249 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5250 x86_memory_mismatch_stall): Declare.
5251 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
5252 TARGET_MEMORY_MISMATCH_STALL): New.
5253 * i386.md (athlon scheduling parameters): Fix latencies according to
5254 Athlon Optimization Manual.
5255 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
5257 (fsqrt instruction patterns): Set athlon_decode to direct.
5258 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
5259 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
5260 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
5261 and TARGET_PARTIAL_REGISTER_STALL machines.
5262 (pushdf_nointeger): New pattern.
5263 (pushdf_integer): Rename from pushdf.
5264 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5265 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5267 2000-04-17 Richard Henderson <rth@cygnus.com>
5269 * loop.c (canonicalize_condition): Add WANT_REG argument.
5270 Stop the search if we match it.
5271 * expr.h (canonicalize_condition): Update decl.
5272 * predict.c (expected_value_to_br_prob): Use it. Track last
5273 expected value note.
5274 (find_expected_value): Remove.
5276 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5278 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5280 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5281 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5283 * configure.in: Call AC_FUNC_MMAP_FILE.
5284 * configure: Regenerate.
5285 * config.in: Regenerate.
5287 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5288 * fixinc/fixincl.c: Likewise.
5290 2000-04-17 Richard Henderson <rth@cygnus.com>
5292 * builtins.c (expand_builtin_expect): New.
5293 (expand_builtin): Call it.
5294 * builtins.def (BUILT_IN_EXPECT): New.
5295 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5296 * extend.texi: Document it.
5298 * predict.c (expected_value_to_br_prob): New.
5299 (find_expected_value): New.
5300 * basic-block.h (expected_value_to_br_prob): Declare.
5301 * toplev.c (rest_of_compilation): Invoke it.
5303 * rtl.h (NOTE_EXPECTED_VALUE): New.
5304 (NOTE_INSN_EXPECTED_VALUE): New.
5305 * rtl.c (note_insn_name): Update.
5306 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5307 cases; handle NOTE_INSN_EXPECTED_VALUE.
5309 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5311 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5312 leaf sibcall delay slot if flag_pic.
5313 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5315 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5317 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5319 * fixproto: If fix-header fails, exit with an error.
5321 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5323 * cse.c (struct check_depdendence_data): New.
5324 (check_dependence): New function.
5325 (invalidate): Use check_depdenence.
5327 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5329 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5330 UNITS_PER_WORD is unsigned.
5332 * tree.h (struct tree_common): Remove misleading comment.
5334 2000-04-16 Dave Pitts <dpitts@cozx.com>
5336 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5337 message in quotes. Otherwise, IBM's make program treats the '#' as the
5338 start of a comment and ignores the remainder of the line.
5340 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5342 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5343 * cexp.y (initialize_random_junk): Likewise.
5344 * cppfiles.c (find_include_file): Cast alloca return value.
5345 * cppinit.c (initialize_standard_includes): Likewise.
5346 * cpplib.c (cpp_define, cpp_undef): Likewise.
5347 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5348 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5349 * fold-const.c (CHARMASK): New.
5350 (real_hex_to_f): Use it.
5351 * real.c (CHARMASK): New.
5352 (etoasc, asctoeg): Use it.
5353 (asctoeg): EBCDIC lower case characters preceed upper case.
5355 * i370.c (mvs_add_label): Change spacing for coding conventions.
5356 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5357 outputing case vectors.
5358 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5359 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5360 since vector in in the data CSECT.
5361 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5362 * i370.md (Many patterns): Put the length in the XL directives.
5363 (movdi): Put back STM and MVC in definition.
5364 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5365 pattern using the TCA.
5366 * oe.h (CPP_SPEC): Added to allow trigraphs.
5367 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5368 not support the "long long" type.
5370 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5372 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5374 (mips_reg_mode_ok_for_base_p): Likewise.
5375 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5376 (REG_OK_FOR_INDEX_P): Define unconditionally.
5377 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5378 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5379 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5380 that GET_MODE_SIZE is unsigned.
5381 (mips_reg_mode_ok_for_base_p): Define.
5382 (mips_legitimate_address_p): Likewise. Adjust now
5383 that GET_MODE_SIZE is unsigned.
5384 (block_move_loop): Make the number of bytes unsigned.
5385 (expand_block_move): Likewise.
5386 (function_arg): Make the loop counter unsigned to match the
5389 2000-04-16 Richard Henderson <rth@cygnus.com>
5391 * rtl.h (enum insn_note): New enumeration. Subsume
5392 NOTE_INSN_DELETED and friends.
5393 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5394 * rtl.c (note_insn_name): Tweak string order.
5396 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5398 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5401 * cpplex.c (output_line_command): Remove debugging prints.
5402 (cpp_output_tokens): Don't write out a zero-length buffer or
5403 try to see if it has a newline in it.
5404 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5405 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5406 the end of the loop. Use memmove. Don't read past the end of
5407 the buffer. Remove trailing newlines from error messages.
5409 2004-04-16 Neil Booth <NeilB@earthling.net>
5411 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5412 * cpplib.c: Add new syntax flags to directive table, and
5415 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5417 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5420 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5422 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5423 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5425 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5427 * Makefile.in (ggc-page.o): Now includes toplev.h.
5428 * ggc-page.c (toplev.h): Now included.
5429 (gc_time): Remove declaration.
5430 (ggc_collect): TIME now long.
5431 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5433 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5435 * toplev.c: Make *_time variable long to reduce chance of overflow.
5436 (TIMEVAR): Likewise for `otime'.
5437 (print_time): Arg is now long; compute percentage in FP and round.
5438 * toplev.h (print_time): Arg is long.
5440 * tree.c: Minor whitespace changes.
5442 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5443 * configure: Rebuilt.
5444 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5445 (__fixunsxfDI): Renamed from __fixunsxfdi.
5446 (__fixunsdfDI): Renamed from __fixunsdfdi.
5447 (__fixunssfDI): Renamed from __fixunssfdi.
5448 (__floatdisf): Use proper type in REP_BIT macro.
5449 (__fixunsxfSI): Renamed from __fixunsxfsi.
5450 (__fixunsdfSI): Renamed from __fixunsdfsi.
5451 (__fixunssfSI): Renamed from __fixunssfsi.
5452 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5453 Change location of macros and upper-case some names as above.
5454 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5455 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5457 * varasm.c (assemble_variable): Add cast to remove warning.
5458 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5460 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5461 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5462 region number to -1.
5464 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5466 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5467 call unshare_all_rtl.
5469 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5471 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5473 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5474 Use .s1 not .s0 for all FP instructions.
5476 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5478 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5480 (safe_fwrite, output_line_command): New static functions.
5481 (cpp_expand_to_buffer): Now private to cpplib.
5482 (cpp_scan_buffer): Take a printer.
5484 * cpphash.h: Update prototypes.
5485 * cpplib.h: Update prototypes.
5487 (cpp_buffer): Remove last_nominal_fname.
5488 (cpp_reader): Remove lineno.
5490 * cppmain.c: Use a cpp_printer.
5491 * fix-header.c: No need to inhibit line commands. Call
5492 cpp_start_read with no printer.
5494 * cpperror.c (cpp_notice_from_errno): Provide default name.
5495 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5496 (find_include_file, cpp_read_file): Use make_IHASH.
5497 (file_cleanup): Set control_macro and clear
5498 input_stack_listing_current here.
5499 (_cpp_execute_include): Don't output entering-file marker.
5500 * cpphash.c (special_symbol): Look for the line number in the
5501 buffer, not the reader.
5502 (_cpp_macroexpand): No need to disable line commands.
5503 (_cpp_dump_definition): No need to generate line commands.
5504 (dump_hash_helper): Remove excess newline from output.
5505 * cppinit.c (dump_special_to_buffer): No need to generate line
5507 (cpp_printer_init): New.
5508 (cpp_start_read): Take a printer, and start it up if it's not
5509 NULL. No need to generate line commands.
5510 (cpp_finish): Expect no buffers stacked at all. Take a
5511 printer argument, and flush the output buffer if it's not
5513 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5514 Don't put two hashes at the beginning of an assertion.
5515 (cpp_get_token): Don't increment pfile->lineno or emit line
5516 commands here. Return EOF if there's no buffer when we get
5518 * cpplib.c (do_define, skip_if_group):
5519 No need to disable line commands.
5520 (_cpp_output_line_command): Delete function.
5521 (do_line): Don't emit line commands here, but set things up so
5522 they will be emitted if necessary. Use _cpp_fake_ihash to
5523 make unique nominal_fnames if necessary.
5524 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5525 with 0 for column, not -1.
5526 (_cpp_handle_eof): Don't set the control macro here. Don't
5527 clear input_stack_listing_current here. Don't emit line
5530 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5532 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5533 always, use the default SVR4 start address.
5535 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5536 (LINK_SHLIB_SPEC): Define.
5537 (LINK_START_DEFAULT_SPEC): Define.
5538 (LINK_OS_DEFAULT_SPEC): Define.
5540 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5542 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5543 __do_global_ctors to handle constructors.
5544 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5545 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5546 (STARTFILE_MVME_SPEC): Likewise.
5547 (STARTFILE_SIM_SPEC): Likewise.
5548 (ENDFILE_ADS_SPEC): Use crtend.
5549 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5550 (ENDFILE_MVME_SPEC): Likewise.
5551 (ENDFILE_SIM_SPEC): Likewise.
5552 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5553 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5554 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5555 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5556 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5557 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5558 (CRTSTUFF_T_CFLAGS_S): Define.
5559 * config/rs6000/eabi-ctors.c: Delete.
5561 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5564 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5568 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5570 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5571 plus mask size is smaller or equal to the mode size.
5573 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5575 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5578 * expr.c (reload.h): Now included.
5579 (emit_block_move): Set volatile_ok when checking for movstr.
5580 (emit_move_1): Check for replacements in addresses in multi-word case.
5581 * Makefile.in (expr.o): Now includes reload.h.
5583 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5584 Never have a LIBCALL end a basic block.
5585 (find_basic_blocks_1): Likewise.
5586 Reorganize CALL_INSN cases.
5588 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5590 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5592 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5593 completers from mov.ret instruction.
5595 2000-04-14 Richard Henderson <rth@cygnus.com>
5597 * fold-const.c (extract_muldiv): Don't distribute and widen
5598 multiply across plus for non-sizetype unsigned types.
5600 2000-04-14 Richard Henderson <rth@cygnus.com>
5602 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5603 If the original source is dead in the incr insn, it's dead now.
5605 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5607 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5608 see if DECL_BIT_FIELD needs to still be set.
5610 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5612 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5613 print_int_cst_octal with something that's not an INTEGER_CST.
5615 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5616 and not a SUBREG to a FLOAT rtl.
5618 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5620 * emit-rtl.c (try_split): Avoid infinite loop if the split
5621 results in a sequence that contains the original insn.
5623 2000-04-13 Andreas Jaeger <aj@suse.de>
5625 * config/mips/mips.c (expand_block_move): Pass alignment
5626 argument to move_by_pieces in bits, not bytes.
5628 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5629 __pic__ for little endian.
5631 2000-04-13 Andreas Jaeger <aj@suse.de>
5633 * config/i386/i386-protos.h: Add prototype for
5634 uno_comparison_operator.
5636 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5638 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5639 * calls.c (ECF_PURE): New flag.
5640 (emit_call_1): Handle ECF_PURE calls.
5641 (initialize_argument_information): Unset ECF_PURE flag too.
5642 (precompute_arguments): Precompute for ECF_PURE too.
5643 (expand_call): Handle ECF_PURE calls too.
5644 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5645 accept value of 2 as pure function.
5646 (emit_library_call_value, emit_library_call): Rename no_queue argument
5648 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5650 * tree.h (DECL_IS_PURE): New macro.
5651 (struct tree_decl): Add pure_flag.
5652 * c-common.c (enum attrs): Add attribute "pure".
5653 (init_attributes): Initialize attribute "pure"
5654 (decl_attributes): Handle attribute "pure".
5655 * extend.texi (Attribute "pure"): Document.
5656 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5658 (flags_from_decl_or_type): Support attribute "pure".
5660 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5662 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5663 the token except for numbers and identifiers.
5665 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5667 * i386.c (ix86_expand_binary_operator,
5668 ix86_expand_unary_operator): Check no_new_pseudos
5669 instead of reload_in_progress and reload_completed.
5670 (ix86_split_ashldi, ix86_split_ashrdi,
5671 ix86_split_lshrdi): Check no_new_pseudos instead
5672 of reload_completed.
5674 2000-04-12 Jeffrey A Law (law@cygnus.com)
5676 * function.c (purge_addressof): Unshare any shared rtl created by
5677 purge_addressof and its children.
5679 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5681 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5684 2000-04-05 Andreas Jaeger <aj@suse.de>
5686 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5687 not compiling PIC code, add flags for mabi=64.
5688 (SUBTARGET_CPP_SIZE_SPEC): New.
5689 (SUBTARGET_CPP_SPEC): New.
5690 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5691 for MIPS/Linux and lots of code needs these defines.
5693 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5695 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5696 trying the "opposite arithmetic" approach.
5698 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5700 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5701 (struct sh_args): Add new field force_mem.
5702 (INIT_CUMULATIVE_ARGS): Initialize it.
5703 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5705 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5707 * calls.c (expand_call): Do not reverse args in "equal from" field.
5708 (emit_library_call_value_1): Emit_libcall_block for const and pure
5711 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5713 * reload1.c (reload_combine): Don't enable optimization for fixed
5714 registers when encountering a BARRIER.
5716 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5718 * builtins.c (expand_builtin_memcmp): Do expansion even with
5719 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5721 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5722 stack is propertly aligned; add sanity checking for aligned
5724 (expand_library_call_value_1): Add sanity checking for aligned
5727 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5729 * calls.c (emit_library_call_value_1): Change 3rd arg to
5730 locate_and_pad_parm to disregard the setting of partial.
5732 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5734 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5736 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5737 CALL_INSN from the normal case.
5739 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5741 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5742 New global variables.
5743 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5745 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5747 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5748 TARGET_ADD_ESP_8): New macros.
5749 * i386.md: Add peep2s to convert esp adjustments to push and pop
5751 (pushsi_prologue, popsi_epilogue): New patterns.
5753 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5755 * real.c (toe64): Remove stale #endif from the last change.
5757 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5759 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5760 * real.c (toe64): Revert previous change.
5762 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5764 * objc/objc-act.c: Include ggc.h.
5765 (objc_tree_index, objc_global_trees): Convert most of the
5766 static tree variables into a static array with previous names
5768 (objc_ellipsis_node): New variable.
5769 (lang_init): Call objc_act_parse_init and c_parse_init.
5770 Create objc_ellipsis_node.
5771 (build_selector_translation_table): Use objc_ellipsis_node instead
5773 (hack_method_prototype): Likewise.
5774 (get_arg_type_list): Likewise.
5775 (start_method_def): Likewise.
5776 (continue_method_def): Likewise.
5777 (gen_method_decl): Likewise.
5778 (ggc_mark_imp_list): New function.
5779 (ggc_mark_hash_table): New function.
5780 (objc_act_parse_init): New function.
5781 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5782 * c-parse.in (c_parse_init): For objc add roots of objc specific
5783 local tree variables.
5784 * objc/objc-parse.y: Rebuilt.
5785 * objc/objc-parse.c: Rebuilt.
5786 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5788 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5790 * cse.c (delete_trivially_dead_insns): Also delete insns
5791 that copy a register to itself where the destination is
5794 2000-04-11 Richard Henderson <rth@cygnus.com>
5796 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5797 (propagate_block): Initialize them. Use them in parallel instead
5798 of one tmp variable, ie revert much of the 0408 and 0407 functional
5799 changes, but keep the structural changes.
5800 (mark_set_regs): Take new_dead from propagate_block_info instead.
5801 (mark_set_1, mark_set_reg): Likewise.
5802 (mark_used_regs): Likewise with new_live.
5803 (mark_used_reg): Likewise. Revert 0408 change.
5805 2000-04-11 Nick Clifton <nickc@cygnus.com>
5807 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5809 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5811 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5813 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5814 const section to output a CONSTRUCTOR based on the same conditions
5817 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5819 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5820 * pa/pa-protos.h (output_call): Add additional argument indicating
5821 if the call is a sibling/tail call.
5822 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5823 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5824 (function_arg, function_arg_partial_nregs): Likewise
5825 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5826 (emit_move_sequence): Zero extend certain constants as needed
5828 (compute_zdepdi_operands, output_64bit_and): New functions.
5829 (output_64bit_ior, function_arg): Likewise.
5830 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5831 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5832 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5833 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5834 (output_bvb): Likewise.
5835 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5836 (output_call): New argument 'sibcall'. Generate sibcall sequences
5838 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5839 (ouput_arg_descriptor): Do not emit argument descriptors for
5841 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5843 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5844 (FUNCTION_OK_FOR_SIBALL): Define.
5845 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5846 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5847 (CPP_SPEC): Use new spec infrastructure.
5848 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5849 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5850 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5851 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5852 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5853 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5854 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5855 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5856 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5857 (FUNCTION_ARG); Call out to C code.
5858 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5859 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5860 (MIN_UNITS_PER_WORD): Likewise.
5861 * pa/pa.md (cmpdi): New expander.
5862 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5863 (64bit conditional arithmetic): New patterns.
5864 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5865 (movsicc): Not available if modes on all the operands to not match.
5866 (movdicc): New expander and associated patterns.
5867 (64bit branches): New patterns.
5868 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5869 (pre_ldd, post_std): New patterns.
5870 (64bit addil, load low part): New patterns.
5871 (special movsf constant): Not available for TARGET_64BIT.
5872 (movsf, movdf expanders): Force constants into memory.
5873 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5874 (64bit movdf/movdi patterns): New patterns.
5875 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5877 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5878 (adddi3 expander): Allow "arith_operand" for second input.
5879 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5880 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5881 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5882 (muldi3): New expander for TARGET_64BIT.
5883 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5885 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5886 patterns for TARGET_64BIT.
5887 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5888 patterns for TARGET_64BIT.
5889 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5890 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5891 (sibcall_epilogue): New expander.
5892 (casesi): Tweak for TARGET_64BIT.
5893 (call expanders): Set & use the outgoing argument pointer. Use the
5894 64bit call patterns as needed. Add additional arg to output_call.
5895 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5896 (sibcall, sibcall_internal_symref): New expanders.
5897 (sibcall_value, sibcall_value_internal_symref
5898 (interspace_jump): Turn into an expander + matching patterns.
5899 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5900 * pa/pa64-regs.h: Eliminate trigraph sequences.
5901 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5903 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5905 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5906 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5907 cpp_token with cpp_ttype everywhere.
5908 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5909 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5910 CPP_BUF_COL. Line and column numbers are unsigned int, not
5912 * cpplex.c (cpp_buf_line_and_col): Delete.
5913 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5914 'long lineno' to 'unsigned int lineno'.
5915 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5917 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5919 * extend.texi: ISO C99 is not a draft anymore.
5920 * invoke.texi: ISO C++ is not a draft anymore.
5921 * cpp.texi: __cplusplus is required by the ISO standard.
5923 * extend.texi (-fthis-is-variable): Undocument.
5924 * flags.h (warn_template_debugging): Remove declaration.
5925 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5926 -Wenum-clash, -Wtemplate-debugging): Undocument.
5928 2000-04-10 Nick Clifton <nickc@cygnus.com>
5930 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5932 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5934 (ARM_SIGN_EXTEND): Use HOST_UINT.
5935 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5936 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5937 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5938 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5940 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5941 (arm_gen_constant): Use HOST_UINT.
5942 (arm_canonicalize_constant): Use HOST_UINT.
5943 (arm_reload_in_hi): Use HOST_UINT.
5944 (arm_reload_out_hi): Use HOST_UINT.
5945 (output_multi_immediate): Use HOST_UINT.
5946 (int_log2): Use HOST_UINT.
5947 (arm_poke_function_name): Use HOST_UINT.
5948 (arm_output_epilogue): Use arm_volatile_func().
5949 (output_thumb_prologue): Use arm_strip_name_encoding().
5951 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5953 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5954 of sequence point problems.
5956 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5958 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5960 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5962 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5964 * sbitmap.h: Whitespace changes and use upper-case macro args.
5965 (struct simple_bitmap_def): All sizes now unsigned.
5966 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5967 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5968 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5969 (sbitmap_zero): Cast bzero arg to PTR.
5970 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5971 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5972 loop to make structure clearer.
5973 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5974 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5975 (sbitmap_a_and_b_or_c): Likewise.
5976 (sbitmap_intersection_of_succs): Minor cleanups.
5977 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5978 (sbitmap_union_of_preds): Likewise.
5979 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5980 (debug_sbitmap): New function.
5982 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5983 * c-typeck.c (convert_for_assignment): Likewise.
5985 * expmed.c (init_expmed): Don't free objects we make.
5986 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5988 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5989 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5991 * gcse.c (expr_hash_table_size): Now unsigned.
5992 (compute_ae_gen): Local variable `i' now unsigned.
5993 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5994 (compute_transout, hoist_code): Likewise.
5995 (compute_local_properties): Likewise, also hash_table_size.
5996 (alloc_expr_hash_table): N_INSNS now unsigned.
5997 (delete_null_pointer_checks): Mark arg F as unused.
5999 * regrename.c: Minor cleanups, including chang some variables
6002 2000-04-10 Neil Booth <NeilB@earthling.net>
6004 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
6006 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
6008 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6010 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
6011 __classof__, and __headof__ from the list of gnu keywords.
6012 (-ansi): Remove -foperator-names from list of implied options.
6013 Do not call it ANSI C++.
6014 (-foperator-names): Document as -fno-operator-names.
6016 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
6018 * cpphash.c (timestamp): Delete.
6019 (del_HASHNODE): If type is T_MCONST, free value.cpval.
6020 (special_symbol): Remove unnecessary braces. Remove
6021 T_VERSION. Treat T_STDC like T_CONST unless
6022 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
6023 when one is encountered, then convert them into T_MCONST
6025 * cppinit.c (builtin_array): version_string is T_MCONST.
6026 __STDC__ has a "1" in its cpval. Don't have a terminator
6027 entry. Clean up which entries are dumped.
6028 (initialize_builtins): Only __STDC__ gets the special
6029 -traditional treatment. Count the length of builtin_array.
6030 Render version_string here.
6031 * cpphash.h: Remove T_VERSION. Add T_MCONST.
6032 * cpplib.h (struct cpp_reader): Remove timebuf.
6034 2000-04-09 Richard Henderson <rth@cygnus.com>
6036 * genrecog.c (pred): Update comparison_operator for the unordered
6039 * config/i386/i386.c (no_comparison_operator): Disallow unordered
6041 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
6042 (uno_comparison_operator): New.
6043 (put_condition_code): Handle UNORDERED/ORDERED.
6044 (unsigned_comparison): Likewise.
6045 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
6046 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
6047 (ix86_expand_fp_compare): Use them. Take scratch as argument,
6048 update all callers. Handle all 8 unordered operators.
6049 (ix86_expand_setcc): Lose the unordered argument, update all callers.
6050 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
6051 * config/i386/i386.h (PREDICATE_CODES): Update.
6052 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
6053 (ix86_expand_branch, ix86_expand_setcc): Update.
6054 * config/i386/i386.md (sunordered, sordered): New.
6055 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
6056 (bunordered, bordered): New.
6057 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
6058 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
6059 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
6061 2000-04-09 Philip Blundell <philb@gnu.org>
6063 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
6065 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
6067 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
6068 fix_truncxfhi2): New patterns.
6069 * i386.c (output_fix_trunc): Handle converting to HImode.
6071 2000-04-08 Alex Samuel <samuel@codesourcery.com>
6073 * ssa.c (convert_to_ssa): Eliminate dead code when calling
6075 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
6076 (for_each_successor_phi): Change parameter to basic_block.
6077 (coalesce_regs_in_successor_phi_nodes): Likewise.
6078 (coalesce_regs_in_copies): Likewise.
6079 (compute_coalesced_reg_partition): Use basic_block instead of index.
6080 * rtl.h (convert_to_ssa): Delete.
6081 (convert_from_ssa): Likewise.
6082 (successor_phi_fn): Likewise.
6083 (for_each_successor_phi): Likewise.
6084 (in_ssa_form): Likewise.
6085 * basic-block.h (convert_to_ssa): Moved from rtl.h.
6086 (convert_from_ssa): Likewise.
6087 (successor_phi_fn): Likewise.
6088 (in_ssa_form): Likewise.
6089 (for_each_successor_phi): Likewise. Change parameter to basic_block.
6090 * flow.c (calculate_global_regs_live): Pass a basic_block to
6091 for_each_successor_phi.
6093 2000-04-08 Richard Henderson <rth@cygnus.com>
6095 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
6096 was modified in the current insn.
6098 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6100 * arm/thumb.md: Delete.
6101 * arm/thumb-protos.h: Delete.
6103 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6105 Merge changes from merged-arm-thumb-backend-branch onto trunk.
6107 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6109 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
6112 * arm.md (nop): Use the standard RTL expression. Don't code as a
6114 (*arm_nop, *thumb_nop): Delete.
6116 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
6117 constants. Use casts instead.
6118 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
6119 output_multi_immediate, arm_poke_function_name): Likewise.
6120 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
6121 MASK_RETURN_ADDDR): Likewise.
6123 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
6125 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
6128 * arm.md (eh_epilogue): New function.
6129 * arm.h (struct machine_function): Move to here ...
6130 * arm.c: ... from here.
6131 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
6132 (thumb_exit): Extra parameter eh_ofs. All callers changed.
6133 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
6135 2000-03-30 Nick Clifton <nickc@cygnus.com>
6137 * config/arm/semi.h (ASM_SPEC): Restore definition.
6138 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6140 * config/arm/elf.h (ASM_SPEC): Restore definition.
6141 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6143 * config/arm/arm.h (ASM_SPEC): Remove definition.
6144 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
6146 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6148 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
6150 2000-03-24 Nick Clifton <nickc@cygnus.com>
6152 Various formating tidyups, elimination of compile time
6153 warnings and synchronisation with internal sources:
6155 * config/arm/arm-protos.h (assemble_align): Add prototype.
6156 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6157 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6158 (arm_return_addr_rtx): Rename to arm_return_addr.
6160 * config/arm/arm.c: Include except.h.
6161 Define shorter typenames for strict minipool_node and struct
6163 (arm_return_in_memory): For WinCE return all structures <= 32 bits
6165 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6166 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6168 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6170 (ASM_SPEC): Define if not already defined.
6171 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
6173 * config/arm/arm.md: Rename references to gen_rotated_half_load to
6174 arm_gen_rotated_half_load, and references to gen_comapre_reg to
6175 arm_gen_compare_reg.
6176 (indirect_jump): Only accept register operands.
6177 (load_indirect_jump): Keep this pattern since combine can generate
6180 * config/arm/coff.h: Include aout.h.
6181 (MULTILIB_DEFAULTS): Only define if not already defined.
6183 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
6184 into arm.h (so that COFF ports can support thumb based aliases).
6185 (ASM_SPEC): Move definition into arm.h
6187 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
6188 redundant apcs spec.
6189 (ASM_SPEC): Move definition to arm.h
6191 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
6193 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
6194 for entries in the .bss section
6196 2000-03-23 Nick Clifton <nickc@cygnus.com>
6198 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
6199 to thumb_far_jump_used_p.
6201 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
6202 single integer parameter.
6204 * config/arm/arm.c (struct machine_function): Add two new
6205 fields, 'far_jump_used' and 'arg_pointer_live'.
6206 (thumb_far_jump_used_p): Once the decision has been made that
6207 far jumps might be used, always return true.
6208 If being called from the initial elimination offset macro then
6209 do not bother to perform the test if the arg pointer is not
6211 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
6212 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
6214 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
6216 * arm.c (output_return_instruction): Handle more cases where we can
6217 return from a function with an ldr instruction.
6218 (arm_output_epilogue): Likewise.
6220 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
6221 if we need to push a large stack frame and there are no callee-saved
6224 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
6225 in ARM code if the frame pointer has been eliminated.
6227 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
6228 unspec_volatile arguments to avoid duplicates.
6229 (consttable_1, consttable_2): Fixes for big-endian mode.
6231 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
6234 Re-write constant pool code.
6235 * arm.c (minipool_node, minipool_fix): New types.
6236 (minifix): Delete type.
6237 (arm_add_minipool_constant): Delete.
6238 (arm_compute_minipool_offsets, arm_find_barrier,
6239 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
6240 (get_jump_table_size): Now returns HOST_WIDE_INT.
6241 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
6243 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
6244 (assign_minipool_offsets, arm_print_value): Likewise.
6245 (dump_minipool): Rewrite.
6246 (arm_barrier_cost): New function.
6247 (create_fix_barrier): New function.
6248 (push_minipool_barrier): New function.
6249 (push_minipool_fix): Record additional information about the fixup
6251 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
6252 check the mode of what needs fixing.
6253 (arm_reorg): Rewrite.
6255 2000-03-08 Nick Clifton <nickc@cygnus.com>
6257 * config/arm/arm.md (indirect_jump): Force constant addresses into
6260 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
6262 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6264 2000-02-24 Nick Clifton <nickc@cygnus.com>
6266 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6267 adjust is word aligned.
6268 (thumb_expand_epilogue): Make sure that stack adjust is word
6271 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6273 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6275 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6276 pointer relative addresses.
6278 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6280 * arm.c (find_barrier): Find the last barrier within the allowed
6283 2000-02-09 Nick Clifton <nickc@cygnus.com>
6285 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6287 2000-02-09 Nick Clifton <nickc@cygnus.com>
6289 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6290 ARM_FUNCTION_PROFILER.
6292 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6293 ARM_FUNCTION_PROFILER.
6295 * config/arm/linux-oldld.h: Imported from mainline sources.
6297 2000-02-07 Nick Clifton <nickc@cygnus.com>
6299 * config/arm/lib1funcs.asm: Merge in thumb functions from
6302 * config/arm/lib1thumb.asm: Delete.
6304 2000-02-04 Nick Clifton <nickc@cygnus.com>
6306 * config/arm/arm.c: Sychronised with current Red hat local
6308 * config/arm/arm.h: Ditto.
6309 * config/arm/arm-protos.h: Ditto.
6311 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6313 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6315 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6318 2000-02-02 Nick Clifton <nickc@cygnus.com>
6320 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6322 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6323 (return) was emited using an emit_insn() call.
6325 2000-01-31 Nick Clifton <nickc@cygnus.com>
6327 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6329 (thumb_exit): Move frame pointer back into hard frame pointer
6330 register if backtracing is being used.
6332 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6334 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6337 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6339 * config/arm/arm.md (neg_pool_offset): Provide default for new
6341 (arm_movsi_insn): Add neg_pool_offset attribute.
6342 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6343 rtx for the insn that starts the scan and an unsigned long for its
6344 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6345 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6346 instructions in *PINSERTED.
6347 (struct minipool_fixup): Add MIN_ADDRESS elt.
6348 (sort_fixups): Compute it.
6349 (arm_reorg): Changes to support inserting pools before the insn to be
6352 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6354 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6355 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6356 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6358 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6360 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6362 (TARGET_DEFAULT): Do not define if already defined.
6364 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6366 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6367 (iordi3): Allow disjoint source operands.
6368 (xordi3): Allow disjoint source operands.
6369 (negdi2): Permit construction for ARM and Thumb.
6370 (arm_negdi2): Renamed version of old negdi2 pattern.
6371 (thumb_negdi2): New pattern: Only permit non-overlapping
6372 source and destination.
6374 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6376 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6377 scratch low register so that it will not be deleted.
6379 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6381 * config/arm/pe.h (ARM_PE): Define.
6383 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6384 interfacearm attribute if this is a PE toolchain.
6385 (output_return_instruction): Do not emit anything if the function
6386 has the naked attribute set.
6387 (is_called_in_ARM_mode): If the function has the interfacearm
6388 attribute then return true.
6389 (thumb_expand_prologue): Do not generate a prologue for naked
6391 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6393 (output_thumb_prologue): Do not bother if the function is naked.
6394 Strip PE encoding from function name before emitting.
6396 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6398 * arm.md (pic_load_addr): Fix constraints.
6400 * arm.md (casesi_insn): Fix mis-applied patch.
6402 * arm.md ("core" function unit): Add rules for single- and
6404 (All TARGET_THUMB patterns): Add "type" attribute information
6406 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6407 the following insn is a CALL.
6409 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6411 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6412 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6413 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6415 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6417 * config/arm/linux-gas.h: oops - this file was missed out when the
6418 branch was created...
6420 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6422 * thumb.c: Deleted. Move contents to ...
6424 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6426 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6429 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6430 declare a prototype for asm_output_align();
6432 * arm.c (thumb_condition_code): Delete.
6433 (arm_print_operand): Always use arm_condition_code array.
6435 * arm.c (thumb_return_addr_rtx): Delete.
6436 (arm_save_machine_status, arm_restore_machine_status): Delete.
6437 (arm_init_machine_status, arm_mark_machine_status): New functions.
6438 (arm_init_expanders): Update accordingly.
6439 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6440 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6441 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6443 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6445 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6447 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6450 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6452 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6453 stack backtrace structure.
6455 * config/arm/arm-protos.h: Add prototypes for functions defined in
6458 * config/arm/arm.c (arm_override_options): Fix selection of
6459 attributes of default processor.
6461 * config/arm/coff.h: Delete needless #include.
6463 * config/arm/pe.c: Delete unused code.
6465 * config/arm/pe.h (CPP_DEFINES): Delete
6466 (SUBTARGET_CPP_SPEC): Define.
6467 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6469 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6471 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6473 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6475 (CAN_DEBUG_WITHOUT_FP): Define.
6476 (FIXED_REGISTERS): Make r11 call-saved.
6477 (CALL_USED_REGISTERS): Likewise.
6478 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6479 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6480 frame-pointer is required.
6481 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6482 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6483 if the target normally needs a stack frame in non-leaf functions.
6484 (use_return_insn): Correct logic for determining when a return
6485 instruction can be used.
6486 (output_return_instruction): Handle the frame-pointer register as
6487 a normal register when not TARGET_APCS_FRAME.
6488 (arm_output_prologue): Likewise.
6489 (arm_output_epilogue): Likewise.
6490 (output_func_epilogue): Likewise.
6491 (arm_expand_prologue): Likewise.
6492 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6494 * arm.c (use_return_insn): No need to check floating point regs if
6496 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6497 the code of value stored in the minipool array.
6498 (arm_add_minipool_constant): Likewise.
6500 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6502 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6504 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6506 * tree.c (tree_expr_nonnegative_p): New function.
6508 * tree.h (tree_expr_nonnegative_p): Declare.
6510 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6511 elide some sign_compare warnings.
6512 (build_conditional_expr): Likewise.
6514 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6516 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6518 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6519 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6520 operand. Abort if a 387 operand has an unsupported size.
6522 2000-04-08 Neil Booth <NeilB@earthling.net>
6524 * cppexp.c (parse_charconst): Null does not end character
6526 * cppinit.c (ISTABLE): Null character handled as whitespace.
6527 * cpplex.c (null_warning): new function.
6528 (skip_string): Emit warning if nulls encountered.
6529 (_cpp_skip_hspace): Emit warning if nulls encountered.
6530 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6534 2000-04-07 Richard Henderson <rth@cygnus.com>
6536 * flow.c (loop_depth): Remove.
6537 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6538 (struct propagate_block_info): New.
6539 (life_analysis): Don't allocate reg_next_use.
6540 (propagate_block_delete_insn): Break out of propagate_block.
6541 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6542 (propagate_block_delete_libcall): Likewise.
6543 (propagate_block): Create a propagate_block_info struct to pass
6544 to subroutines. Allocate one not two temporary regsets. Don't
6545 clobber memory for const calls. Look for clobbers in
6546 CALL_INSN_FUNCTION_USAGE.
6547 (mark_set_regs): Recognize COND_EXEC.
6548 (mark_set_reg): Break out of mark_set_1.
6549 (mark_used_reg): Break out of mark_used_regs.
6550 (mark_used_regs): Recognize COND_EXEC.
6551 (insn_dead_p): Use propagate_block_info struct.
6552 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6553 (find_auto_inc, try_pre_increment_1): Likewise.
6554 (print_rtl_with_bb): Dump regs live at end too.
6555 (count_reg_sets_1): Pass in loop_depth.
6556 (count_reg_sets, count_reg_references): Likewise.
6557 (recompute_reg_usage): Provide it.
6559 2000-04-07 Richard Henderson <rth@cygnus.com>
6561 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6564 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6566 * cpplib.c (do_elif): Skip the rest of the line if we're
6567 not going to bother evaluating it.
6568 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6569 to avoid pointless calls to the lexer.
6571 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6573 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6575 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6577 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6579 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6581 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6583 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6585 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6586 crtend so they can be multilibbed.
6587 (STAGESTUFF): Remove s-crt and s-crtS.
6589 2000-04-07 Richard Henderson <rth@cygnus.com>
6591 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6592 if we discover we need a pseudo and no_new_pseudos is true.
6593 * config/alpha/alpha.md (ne:DI insn): New.
6594 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6596 2000-04-07 Richard Henderson <rth@cygnus.com>
6598 * rtl.def (COND_EXEC): New.
6599 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6600 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6602 * genconfig.c (have_cond_arith_flag): Remove.
6603 (have_cond_exec_flag): New.
6604 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6605 (main): Print HAVE_conditional_execution.
6607 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6608 (sched_analyze_insn, print_pattern): Likewise.
6609 * reload.c (find_equiv_reg): Likewise.
6610 * rtlanal.c (reg_referenced_p): Likewise.
6611 (note_stores, dead_or_set_regno_p): Likewise.
6612 (reg_overlap_mentioned_p): Rewrite to use a switch.
6614 * ggc.h (struct rtx_def): Forward declare.
6616 * print-rtl.c (debug_rtx_range): New.
6617 * rtl.h (debug_rtx_range): Declare.
6619 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6621 * gcse.c (gcse_main): Don't rebuild the CFG here.
6622 (delete_null_pointer_checks): Likewise.
6623 * ssa.c (convert_to_ssa): Likewise.
6624 * toplev.c (rest_of_compilation): Do it here instead. Combine
6625 sequential calls to TIMEVAR. Consistently use `insns' instead of
6626 `get_insns()'. Always split insns after reload when optimizing.
6628 * basic-block.h (merge_blocks_nomove): Declare.
6629 (tidy_fallthru_edge): Declare.
6630 * flow.c (merge_blocks_nomove): Document as merging into previous
6631 blocks. Remove cruft from between blocks; remove all edges out of A.
6632 (tidy_fallthru_edge): Export.
6634 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6636 * ssa.c (compute_conservative_reg_partition): Declare with
6638 * toplev.c (clean_dump_file): Remove previously-deleted function
6639 inadvertantly merged back in.
6640 * conflict.c (conflict_graph_add): Use a single call to
6641 htab_find_slot to look up and insert.
6643 2000-04-06 Richard Henderson <rth@cygnus.com>
6645 * genrecog.c (*): Rename _last_insn to last_insn.
6646 (make_insn_sequence): Set the position of the peephole2 C test
6647 to be at the last insn.
6649 2000-04-06 Richard Henderson <rth@cygnus.com>
6651 * flow.c (compute_flow_dominators): Free worklist.
6653 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6655 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6657 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6659 * rtl.h (INSN_P): New macro.
6660 (successor_phi_fn): New typedef.
6661 (for_each_successor_phi): New prototype.
6662 (in_ssa_form): New variable.
6663 (PHI_NODE_P): Likewise.
6664 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6665 phi nodes in successors.
6666 (mark_used_regs): Add PHI case.
6667 (set_phi_alternative_reg): New function.
6668 (life_analysis): Assert that dead code elimination is not selected
6670 * toplev.c (to_ssa_time): New variable.
6671 (from_ssa_time): Likewise.
6672 (compile_file): Zero to_ssa_time and from_ssa_time.
6673 Print time to convert to and from SSA.
6674 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6675 (print_time): Compute percent fraction as integer.
6676 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6677 (convert_to_ssa): Check if we're already in SSA.
6678 Don't eliminate dead code in life_analysis.
6679 Rerun flow and life analysis at bottom.
6680 (eliminate_phi): Use canonical regnos when adding nodes.
6681 (mark_reg_in_phi): New function.
6682 (mark_phi_and_copy_regs): Likewise.
6683 (convert_from_ssa): Rerun life analysis at top.
6684 Use coalesced partition.
6685 Check for removing a phi node at the end of the block.
6686 (compute_coalesced_reg_partition): New function.
6687 (coalesce_regs_in_copies): Likewise.
6688 (coalesce_reg_in_phi): Likewise.
6689 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6690 (for_each_successor_phi): Likewise.
6691 (rename_context): New struct.
6692 (rename_block): Use a rename_context with rename_insn_1. When
6693 renaming sets of a subreg, emit a copy of the entire reg first.
6694 (rename_insn_1): Treat data as a rename_context *. Save current
6696 (rename_set_data): Add field set_insn.
6697 * Makefile.in (HASHTAB_H): Move up in file.
6698 (OBSTACK_H): New macro.
6699 (collect2.o): Use OBSTACK_H in dependencies.
6700 (sdbout.o): Likewise.
6701 (emit-rtl.o): Likewise.
6702 (simplify-rtx.o): Likewise.
6703 (fix-header.o): Likewise.
6704 (OBJS): Add conflict.o.
6705 (conflict.o): New rule.
6706 * basic-block.h: Include partition.h.
6707 (conflict_graph): New typedef.
6708 (conflict_graph_enum_fn): Likewise.
6709 (conflict_graph_new): New prototype.
6710 (conflict_graph_delete): Likewise.
6711 (conflict_graph_add): Likewise.
6712 (conflict_graph_conflict_p): Likewise.
6713 (conflict_graph_enum): Likewise.
6714 (conflict_graph_merge_regs): Likewise.
6715 (conflict_graph_print): Likewise.
6716 (conflict_graph_compute): Likewise.
6717 * conflict.c: New file.
6719 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6721 * tlink.c (read_repo_files): Don't look for .rpo info for
6724 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6726 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6728 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6730 * config/sh/lib1funcs.asm (___udivsi3_i4):
6731 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6732 only depends on FMOVD_WORKS.
6734 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6736 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6737 make double constant 8-byte aligned.
6739 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6741 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6742 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6743 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6744 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6745 Accept storing GENERAL_REGS into offsetable memory.
6746 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6747 building a TFmode constant other than 0.0L into GENERAL_REGS.
6749 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6751 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6753 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6755 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6756 (macro_cleanup): No need to cast pbuf->macro.
6757 (collect_expansion): Use _cpp_get_define_token. Goto done if
6758 it returns VSPACE. Remove check for trailing space after
6760 (_cpp_create_definition): Don't diddle flags here. Return
6762 (unsafe_chars): Handle c1 being EOF.
6763 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6764 checks. Don't push the buffer till after we're done with
6766 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6767 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6768 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6770 (_cpp_parse_assertion): Don't NUL terminate.
6771 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6772 hspace before calling _cpp_parse_assertion. Remove all sets
6773 of only_seen_white. Treat '\f' as hspace. Don't do anything
6774 special with '\n' here.
6775 (maybe_macroexpand): Handle T_EMPTY hash entries without
6776 pushing a buffer at all.
6777 (cpp_get_token): Handle clearing only_seen_white here. Handle
6778 incrementing the line number here. Clear
6779 potential_control_macro as well as only_seen_white, if
6781 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6782 (_cpp_get_define_token): New function, basically like
6783 _cpp_get_directive_token was but doesn't eat horizontal space.
6784 Don't do anything with only_seen_white here.
6785 (_cpp_get_directive_token): Just call _cpp_get_define_token
6786 repeatedly till it returns non-hspace.
6788 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6789 (conditional_skip, skip_if_group): Return int.
6790 (DIRECTIVE_TABLE): Change origin of all conditional directives
6792 (TRAD_DIRECT_P): New macro.
6793 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6794 an error for a bogus directive, unless -lang-asm. Use
6795 TRAD_DIRECT_P. Loop calling handler functions till one returns
6797 (get_macro_name): Don't diddle flags here.
6798 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6799 Create T_EMPTY nodes for #define macro /* nothing */.
6800 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6801 Use hp->name when calling pass_thru_directive.
6802 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6803 Return the result of conditional_skip and/or skip_if_group.
6804 Don't call _cpp_output_line_command.
6805 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6806 Issue -Wtraditional warnings as appropriate. Don't complain
6807 about unrecognized directives. If we are to stop skipping,
6808 return the number of the directive that ended the skip.
6809 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6810 expansion and line commands while skipping. Return the result
6811 of consider_directive_while_skipping, if nonzero.
6812 (do_endif): Just set potential_control_macro here.
6813 (validate_else): Use _cpp_get_directive_token.
6814 (do_assert, do_unassert): Don't save pointers into the
6815 token_buffer across calls to the lexer. Use
6816 _cpp_get_directive_token.
6818 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6819 pointer, not an offset. Replace 'data', which was a generic
6820 pointer, with 'macro', which points to a struct hashnode.
6821 (cpp_reader): Add 'potential_control_macro' pointer.
6822 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6823 (CPP_BUF_GET, CPP_FORWARD): Delete.
6824 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6825 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6826 ACTIVE_MARK_P): Update.
6827 (_cpp_get_define_token): New internal function.
6828 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6830 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6832 * configure.in: And here.
6833 * configure: Regenerate.
6834 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6835 --enable-libstdcxx-v3 is passed at configure time.
6836 * config.h.in: Regenerate.
6838 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6840 * final.c (final): Use xcalloc to allocate line_note_exists.
6841 * function.c (free_after_compilation): Free the temp_slots.
6842 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6843 (combine_temp_slot): Free temp_slots when they get combined.
6844 (purge_addressof): Fix typo in comment.
6845 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6846 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6848 * ggc.h: Include varray.h.
6849 (ggc_pending_trees): Declare.
6850 (ggc_mark_tree_children): Remove declaration.
6851 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6852 * ggc-common.c (ggc_pending_trees): New variable.
6853 (ggc_mark_roots): Call ggc_mark_trees.
6854 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6855 the ggc_pending_trees.
6856 * Makefile.in (GGC_H): New variable. Use it throughout in place
6859 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6861 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6864 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6866 * sh.c (sh_insn_length_adjustment): New function.
6867 * sh-protos.h (sh_insn_length_adjustment): Declare.
6868 * sh.h (ADJUST_INSN_LENGTH): Use it.
6870 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6872 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6873 from the insn where REG_RETVAL is added.
6874 (emit_no_conflict_block): Ditto.
6876 * md.texi (Standard Names): Clarify when movX is needed.
6878 * combine.c (simplify_comparison) [MINUS]: Do not replace
6879 all (op (minus A B) 0) with (op A B).
6881 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6882 J"orn Rennecke <amylaar@cygnus.co.uk>
6884 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6885 (block_lump_real): Likewise.
6887 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6889 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6890 remaining non-zero debugging masks.
6892 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6894 * basic-block.h (verify_flow_info): Declare.
6895 (flow_loop_outside_edge_p): Declare.
6896 * flow.c (verify_flow_info): Remove declaration.
6897 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6899 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6901 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6904 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6906 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6907 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6908 seqdi_zero_trunc+1): Allow splits only if registers are
6911 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6913 * acconfig.h: Add HAVE_GAS_HIDDEN.
6914 * config.in: Regenerated.
6915 * configure.in: Add test for .hidden pseudo-op in gas.
6916 * configure: Regenerated.
6917 * crtstuff.c: Include auto-host.h.
6918 Emit additional .hidden pseudo-op for __dso_handle if the
6919 assembler knows about it.
6921 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6923 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6924 before freeing argnames.
6925 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6927 2000-04-05 Michael Meissner <meissner@redhat.com>
6929 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6930 Walton <jonboy@gordian.com> to make memory references with update
6931 work wtih -mregnames.
6933 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6935 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6936 (regrename_optimize): Rename variables `def_uses' and
6937 `ext_basic_blocks' to avoid conflicts with similarly named
6938 typedefs in traditional C.
6940 * calls.c (initialize_argument_information): Fix typo in previous
6943 2000-04-04 Richard Henderson <rth@cygnus.com>
6945 * regrename.c (consider_available): Test fixed_regs not
6946 PIC_OFFSET_TABLE_REGNUM.
6948 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6950 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6952 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6953 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6954 (ENDFILE_LINUX_SPEC): Always use crtend.
6955 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6956 (powerpc-*-linux-gnu): Likewise.
6957 * configure: Regenerate.
6959 * config/rs6000/eabi.h: Don't include sysv4.h.
6960 (MULTILIB_DEFAULTS): Don't define.
6961 * config/rs6000/eabiaix.h: Don't include eabi.h.
6962 * config/rs6000/eabile.h: Delete.
6963 * config/rs6000/eabilesim.h: Delete.
6964 * config/rs6000/eabisim.h: Don't include eabi.h.
6965 * config/rs6000/linux.h: Don't include sysv4.h.
6966 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6967 (MULTILIB_DEFAULTS): Don't redefine.
6968 * config/rs6000/rtems.h: Don't include eabi.h.
6969 * config/rs6000/sol2.h: Don't include sysv4le.h.
6970 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6971 * config/rs6000/t-ppc: Delete.
6972 * config/rs6000/t-ppcgas: Correct comment.
6973 * config/rs6000/t-ppcos: Correct comment. Don't build
6974 multilibs for -fPIC, rather use -fPIC -mstrict-align
6976 * config/rs6000/t-ppc: Delete.
6977 * config/rs6000/vxppc.h: Don't include sysv4.h.
6978 * config/rs6000/vxppcle.h: Delete.
6979 * configure.in: Use multiple header files for p2pc ELF targets
6980 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6981 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6982 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6983 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6984 always available for these platforms.
6986 2000-04-04 Richard Henderson <rth@cygnus.com>
6988 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6990 2000-04-04 Stan Cox <scox@cygnus.com>
6992 * Makefile.in: Add rules for regrename.o
6993 * regrename.c: New file.
6994 * rtl.h (regrename_optimize): Add prototype.
6995 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6996 (compile_file, decode_d_option): Add support for -frename-registers.
6997 (rest_of_compilation): Call regrename_optimize.
6998 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
7001 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7003 * Makefile (gccbug): New target.
7004 (doc): Depend on it.
7005 * gcc.texi (Bugs): Link subnodes.
7007 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
7008 Document severities, priorities, and classes in bug form.
7010 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
7012 * cpplex.c (trigraph_map, speccase): Combine into single
7014 (NORMAL, NONTRI): New macros.
7015 (_cpp_read_and_prescan): Change to use unified table. Use
7016 is_hspace to test for whitespace.
7018 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
7019 definition that doesn't provoke the "empty body in an
7020 if-statement" warning.
7022 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
7024 * builtins.c (expand_builtin_strlen): Force the source to
7025 be a memory address.
7027 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7029 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
7031 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
7033 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
7034 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
7035 (ECF_IS_CONST): Rename to ECF_CONST.
7036 (special_function_p): Make static, change interface.
7037 (flags_from_decl_or_type, try_to_integrate): Break out from ...
7038 (expand_call) ... here; convert number of variables to flags.
7039 (emit_library_call_vlue_1): Likewise.
7040 (setjmp_call_p): New function.
7041 (initialize_argument_information): Accepts flags as argument;
7043 (precompute_arguments): Likewise.
7044 * tree.h (special_function_p): Remove.
7045 (setjmp_call_p): Add prototype.
7047 2000-04-04 Jakub Jelinek <jakub@redhat.com>
7049 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
7050 so that addresses are offsetable by up to 16 bytes.
7051 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
7052 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
7055 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
7056 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
7057 (movsf): Don't force any constant to memory if target is integer
7059 Move fp_zero_operand check below the const0_rtx check.
7060 (movtf): Likewise. Also allow fp_zero_operand for stores into
7062 (movdf): Likewise. Also allow fp_zero_operand for stores into
7063 memory and into integer hard registers.
7064 (clear_df, clear_dfp, movdf_const_intreg_sp32,
7065 movdf_const_intreg_sp64): Remove.
7066 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
7068 (movdf_no_e_insn_v9_sp32): New pattern.
7069 (movdf_insn_v9only): Remove.
7070 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
7071 (movdf_insn_sp64): Remove.
7072 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
7073 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
7074 (following splits): Rewrite conditions. Add two new splits
7075 for storing 0.0 into memory and registers.
7076 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
7077 (movtf_insn_sp32): Redo constraints and conditions.
7078 (movtf_insn_vis_sp32): New pattern.
7079 (movtf_no_e_insn_sp32): Redo constraints and conditions.
7080 (movtf_insn_hq_sp64): Likewise.
7081 (movtf_insn_hq_vis_sp64): New pattern.
7082 (movtf_insn_sp64): Redo constraints and conditions.
7083 (movtf_insn_vis_sp64): New pattern.
7084 (movtf_no_e_insn_sp64): Redo constraints and conditions.
7085 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
7087 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
7088 -mvis or -m64 to take down the number of various reload patterns.
7090 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
7092 * pa/pa-64.h: New file.
7093 * pa/pa64-regs.h: New file.
7094 * pa/pa64-start.h: New file.
7095 * pa/t-pa64: New file.
7096 * pa/xm-pa64hpux.h: New file.
7098 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7100 * sparc.c (output_restore_regs): Prototype.
7101 (sparc_emit_float_lib_cmp): Constification.
7103 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
7105 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
7108 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
7109 (get_value_hash, hash_rtx): Likewise.
7111 * ssa.c (compute_conservative_reg_partition): Prototype.
7113 * tree.c (mark_hash_entry): Prototype.
7115 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
7117 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
7118 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
7119 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
7121 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
7122 * objc/lang-specs.h: Likewise.
7124 2000-04-03 Neil Booth <NeilB@earthling.net>
7126 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
7127 and SYNTAX_ERROR2. Replace `' in messages with ''.
7128 (op_to_str): Make re-entrant.
7129 (_cpp_parse_expr): Implement new error macros. Use | rather
7130 than || to logically or 2 boolean integers. Simply expression
7131 checking we have a left operand iff needed.
7133 2000-04-03 Nick Clifton <nickc@cygnus.com>
7135 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
7137 2000-04-03 Philip Blundell <philb@gnu.org>
7139 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
7141 2000-04-03 Felix Lee <flee@cygnus.com>
7143 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
7144 (run_shell): Use it.
7146 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
7148 * Makefile.in (stmp-int-hdrs): Make include subdir here...
7149 (stmp-fixproto): ...rather than here.
7151 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
7153 * pa.c (print_operand): Compute 'base' only inside the code paths
7156 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
7158 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
7161 2000-04-03 Philipp Thomas <pthomas@suse.de>
7163 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
7165 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
7167 * Makefile.in (alias.o): Depend on $(TREE_H).
7169 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
7171 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
7173 * cpplib.c (_cpp_handle_directive): Improve warnings for
7174 traditional C and indented directives.
7176 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
7177 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
7178 fixinc/inclhack.def: Indent the # of #include_next one space.
7179 * cp/rtti.c: Un-indent #if and #endif.
7181 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
7182 syntax error, but an error has already been printed.
7183 * cpplex.c (_cpp_parse_assertion): Give a more specific error
7184 message when called with nothing remaining on the line.
7185 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
7186 OTHER token, not an ASSERTION.
7187 * cpplib.c (do_assert): When we create a 'base' node, clear
7188 its aschain pointer.
7190 2000-04-02 Neil Booth <NeilB@earthling.net>
7192 * cppexp.c: New typedef op_t. struct operation and struct
7193 token updated to use it.
7194 (op_to_str): New function.
7195 (_cpp_parse_expr): Error messages modified to use op_to_str.
7197 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7199 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
7200 before checking MUST_PASS_IN_STACK.
7202 2000-04-02 Neil Booth <NeilB@earthling.net>
7204 * cppexp.c: New FINISHED dummy token. Combine operator initial
7205 flags and initial priority into a single constant. New
7206 EQUALITY macro. New operator flag SHORT_CIRCUIT.
7207 (_parse_cpp_expr): Implement new constants. Take left operand
7208 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
7209 parse indicated by reducing FINISHED token. Remove new lines
7210 from cpp_error messages.
7212 2000-04-01 Mark Mitchell <mark@codesourcery.com>
7214 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
7217 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
7219 * cpplib.c: Include symcat.h. Add 'origin' field to struct
7220 directive. Add origin values to DIRECTIVE_TABLE. Generate
7221 the strings and function names on the fly. Take the #sccs
7222 entry out of the table if SCCS_DIRECTIVE is not defined.
7223 (_cpp_handle_directive): Decide if the # was at the beginning
7224 of the line here. Issue -pedantic warnings for extended
7225 directives here. Warn about K+R directives with the #
7226 indented, and C89/extended directives with the # not indented,
7228 (do_import, do_include_next, do_warning, do_ident, do_sccs,
7229 do_assert, do_unassert): Don't issue pedantic warning here.
7231 * cpphash.h: Add CPP_WTRADITIONAL macro.
7232 * cpplib.h (struct cpp_options): Rename warn_stringify to
7233 warn_traditional; update comments.
7234 * cppinit.c (handle_option): Set warn_traditional not
7236 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
7237 CPP_WTRADITIONAL (pfile).
7238 * cpplex.c (_cpp_lex_token): Don't decide if directives should
7239 be ignored in -traditional mode here.
7241 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
7242 to initialize speccase[] and trigraph_map[]. Delete all
7243 references to pfile->input_speccase. Always treat '?' as a
7244 special character. Remove table-initialization code from
7245 _cpp_init_input_buffer.
7247 * cpplib.h (struct cpp_reader): Remove input_speccase field.
7248 * cppinit.c (cpp_cleanup): Don't free input_speccase.
7250 2000-04-01 Richard Henderson <rth@cygnus.com>
7252 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
7253 (mostlyclean): Likewise.
7255 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
7256 (struct dump_file_info, enum dump_file_index, dump_file): New.
7257 (open_dump_file): Take a dump_file_index not a suffix, and a decl
7258 not a string. Clean out file if we havn't yet done so. Do nothing
7259 if the dump isn't enabled.
7260 (close_dump_file): Do nothing if the dump isn't open. Dump
7261 graph data if requested.
7262 (dump_rtl, clean_dump_file): Remove.
7263 (compile_file): Don't clean the dump files. Only finalize .bp dump
7264 if flag_test_coverage or flag_branch_probabilities. Only finalize
7265 .combine dump if optimizing. Iterate over dump_file to finalize the
7267 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7268 Convert all uses of dump_rtl.
7269 (decode_d_option): Iterate over dump_file to implement 'a' and to
7270 locate pass-specific dumps.
7272 2000-04-01 Neil Booth <NeilB@earthling.net>
7274 * cppexp.c: Redefine priority constants.
7275 (_cpp_parse_expr): Replace left and right priority scheme with
7276 single priority logic. Move LOGICAL to same place as COMPARE.
7277 Remove bogus check for multiple unary +/- operators.
7279 2000-04-01 Neil Booth <NeilB@earthling.net>
7281 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7282 within the switch statement. Binary operations break out of
7283 the switch naturally. '(' tokens handled by forcing
7284 immediate shift. ')' handled by forcing immediate reduce to
7285 the previous '('. New error messages.
7287 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7289 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7290 part', it's already in use. Use %K instead. Add a return at the
7291 end of what is now %K.
7292 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7294 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7296 * builtins.c (expand_builtin_apply): Pass proper parameters to
7297 allocate_dynamic_stack_space.
7298 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7299 update stack_pointer_delta; do not update arg_size_so_far.
7300 (compute_argument_block_size): Use stack_delta instead of
7301 stack_pointer_pending and arg_size_so_far.
7302 (expand_call): Add sanity checking for stack_pointer_delta;
7303 save and restore stack_pointer_delta for SIB, use
7304 stack_pointer_delta for alignment; do not update arg_space_so_far.
7305 (emit_library_call_value): Use stack_pointer_delta for alignment.
7306 (store_one_arg): Do not update arg_space_so_far.
7307 * explow.c (adjust_stack, anti_adjust_stack): Update
7308 stack_pointer_delta.
7309 (allocate_dynamic_stack_space): Add sanity checking for
7310 stack_pointer_delta.
7311 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7312 stack_pointer_delta.
7313 (emit_push_insn): Update stack_pointer_delta.
7314 * function.h (struct expr_status): Add x_stack_pointer_delta;
7315 remove x_arg_space_so_far.
7316 (arg_space_so_far): Remove.
7317 (stack_pointer_delta): New macro.
7319 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7321 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7322 Reorder struct cpp_options and struct cpp_reader for better
7323 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7324 takes two args. Change all 'char' flags to 'unsigned char'.
7325 Move show_column flag into struct cpp_options. Don't
7326 prototype cpp_options_init.
7327 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7328 cppinit.c, cpplex.c, cpplib.c:
7329 Replace CPP_OPTIONS (pfile)->whatever with
7330 CPP_OPTION (pfile, whatever), and likewise for
7331 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7333 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7334 Extract CPP_OPTION (pfile, pending) and work with that
7336 (cpp_options_init): Delete.
7337 (cpp_reader_init): Turn on on-by-default options here.
7338 Allocate the pending structure here.
7339 (cl_options, enum opt_code): Define these from the same table,
7340 kept in a large macro. Add -fshow-column and -fno-show-column
7343 * cpperror.c (v_message): If show_column is off, don't print
7346 * cppmain.c: Update for new interface.
7347 * fix-header.c: Likewise.
7349 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7351 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7353 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7354 are passed to any invocation of AR_FOR_TARGET.
7355 (AR_CREATE_FOR_TARGET): New macro.
7356 (AR_EXTRACT_FOR_TARGET): New macro.
7357 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7358 AR_EXTRACT_FOR_TARGET.
7359 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7360 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7361 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7362 AR_EXTRACT_FOR_TARGET to sub-makes.
7364 2000-03-31 Neil Booth <NeilB@earthling.net>
7366 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7368 (_cpp_parse_expr): Check for multiple unary +/- operators.
7369 Correct priorities of ':' and '?'. Treat ')' as having a
7370 value. Ensure conditional expression is not void.
7372 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7374 * alias.c (canon_rtx): Make it global.
7375 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7377 * cse.c (struct table_elt): Add canon_exp.
7379 (invalidate): Canonicalize expressions only once.
7380 * rtl.h (canon_rtx): Declare.
7382 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7384 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7385 * alias.c (reg_known_value): Add comments.
7386 (init_alias_analysis): Likewise.
7387 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7389 (cse_basic_block): Fix typo in comment.
7390 * emit-rtl.c: Include hashtab.h.
7391 (const_int_htab): New variable.
7392 (const_int_htab_hash): New function.
7393 (const_int_htab_eq): Likewise.
7394 (rtx_htab_mark_1): Likewise.
7395 (rtx_htab_mark): Likewise.
7396 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7397 (unshare_all_rtx): Fix formatting.
7398 (init_emit_once): Initialize const_int_htab.
7399 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7401 * rtl.texi: Document the fact that all CONST_INTs with the same
7404 2000-03-30 Richard Henderson <rth@cygnus.com>
7406 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7408 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7410 * configure.in: Comment out --enable-c-cpplib stanza.
7411 * configure: Regenerate.
7413 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7415 * expr.c (store_constructor): Properly compute displacement and
7416 alignment when offset is variable.
7418 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7419 cases of alignment in bytes.
7421 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7423 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7424 since it is used to generate c-parse.y.
7425 * objc-parse.c, objc-parse.y: Regenerated.
7427 * function.c (expand_function_end): Pass alignment argument to
7428 emit_block_move in bits, not bytes.
7430 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7432 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7435 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7437 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7438 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7439 * function.c (assign_parms): Likewise.
7440 * integrate.c (expand_inline_function): Likewise.
7441 * stmt.c (expand_decl): Likewise.
7442 (copy_rtx_and_substitute): Likewise.
7443 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7444 (clear_by_pieces): Fix error in last change.
7445 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7446 * function.h (regno_pointer_align): Now unsigned.
7447 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7449 * config/i386/i386.c (aligned_operand): Likewise.
7450 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7451 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7452 (unaligned_memory_operand): Likewise.
7453 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7454 Also make alignments and sizes unsigned and some whitespace cleanup.
7455 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7457 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7458 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7459 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7460 (expand_builtin_memset): Likewise, but to clear_storage.
7461 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7462 (restore_fixed_argument_area): Likewise.
7463 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7464 (load_register_parameters): Likewise, to emit_group_load.
7465 (expand_call): Likewise, to emit_group_store and emit_block_move.
7466 (emit_library_call_value_1): Likewise, to emit_block_move.
7467 (store_one_arg): Likewise, and to emit_push_insn.
7468 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7469 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7470 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7471 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7472 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7473 (expand_assigment, store_expr, store_constructor_field): Likewise.
7474 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7475 (store_constructor, store_field, get_inner_reference): Likewise.
7476 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7477 (expand_expr, case COMPONENT_REF): Likewise.
7478 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7479 and positions; reindent code.
7480 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7481 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7482 (assign_parms): Likewise to emit_group_store.
7483 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7484 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7485 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7486 (expand_return): Likewise to {extract,store}_bit_field.
7487 * stor-layout.c (get_mode_alignment): Minor cleanup.
7488 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7489 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7491 2000-03-29 Nick Clifton <nickc@cygnus.com>
7493 * config/arm/arm.h: Undo effects of previous delta:
7494 (ASM_SPEC): Do not define.
7495 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7497 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7500 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7502 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7503 only after reading in the primary source file.
7505 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7507 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7508 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7509 or a reference to a va_list.
7510 * builtins.c (stabilize_va_list): Simplify now we don't have to
7511 work around C array address decay.
7512 * c-typeck.c (convert_for_assignment): Handle assignment to
7513 a reference parameter by taking the address of the RHS.
7514 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7515 (va_copy): Likewise.
7516 (__va_copy): Likewise.
7517 * ginclude/varargs.h (va_start): Likewise.
7518 (__va_copy): Likewise.
7520 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7522 * i386/djgpp.h: Remove extraneous "+".
7524 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7526 * calls.c (expand_call): Fix typo in last change.
7528 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7530 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7533 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7535 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7536 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7537 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7538 * tree.c (bit_position, byte_position): Likewise.
7539 * tree.h: Declare new functions.
7541 2000-03-29 Nick Clifton <nickc@cygnus.com>
7543 * config/arm/arm.c: Minor formatting changes/
7544 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7546 (ASM_SPEC): Define if not already defined.
7548 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7550 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7553 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7555 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7556 value, don't output it as unsigned.
7558 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7560 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7562 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7564 * c-common.c (c_common_nodes_and_builtins): Don't special case
7565 cplus_mode when declaring builtin bzero/bcmp, always avoid
7566 prototype arguments.
7568 2000-03-29 Bruce Korb <bkorb@gnu.org>
7570 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7573 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7575 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7576 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7577 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7578 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7579 (save_fixed_argument_area, restore_fixed_argument_area):
7580 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7581 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7582 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7583 (precompute_register_parameters): Avoid #ifdefs on
7584 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7585 (stire_one_args): Likewise.
7586 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7587 (emit_library_call_value_1): Likewise.
7588 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7589 ACCUMULATE_OUTGOING_ARGS.
7590 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7592 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7593 (use_crosses_set_p): Likewise.
7594 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7595 #define ACCUMULATE_OUTGOING_ARGS 1.
7596 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7598 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7600 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7601 (TARGET_SWITCHES): Add push-args, no-push-args,
7602 accumulate-outgoing-args and no-accumulate-outgoing-args.
7603 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7604 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7605 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7607 (emit_push_insn): Likewise.
7608 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7609 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7610 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7611 (STACK_DYNAMIC_OFFSET): Define correctly for both
7612 ACCUMULATE_OUTGOING_ARGS and normal mode.
7613 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7614 * tm.texi (PUSH_ARGS): Document.
7615 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7617 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7619 * flags.h (flag_optimize_sibling_calls): Declare.
7620 * calls.c (expand_call): Fail sibcall when
7621 !flag_optimize_sibling_calls
7622 * invoke.texi (flag_optimize_sibling_calls): Document.
7623 * toplev.c (flag_optimize_sibling_calls): New global variable.
7624 (f_options): Add flag_optimize_sibling_calls.
7625 (rest_of_compilation): Conditionize
7626 optimize_sibling_and_tail_recursive_calls by
7627 flag_optimize_sibling_calls.
7628 (main): Set flag_optimize_sibling_calls for -O2.
7629 * stmt.c (expand_return): Conditionize tail recursion by
7630 flag_optimize_sibling_calls.
7632 2000-03-29 Richard Henderson <rth@cygnus.com>
7634 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7635 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7637 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7639 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7641 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7643 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7645 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7646 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7647 * config/rs6000/aix.h: then modified likewise.
7649 2000-03-28 Richard Henderson <rth@cygnus.com>
7651 * rtl.h: Redistribute enum reg_note documentation.
7652 Kill trailing whitespace.
7653 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7654 Kill trailing whitespace.
7656 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7658 * cppfiles.c (hash_IHASH): Just return i->hash.
7659 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7660 htab_find_with_hash.
7661 (cpp_read_file): Likewise.
7662 (find_include_file): Likewise. Properly initialize
7663 ih->nshort. Share ih->name and ih->nshort if possible.
7664 * cpphash.c (_cpp_calc_hash): New function.
7665 (hash_HASHNODE): Just return h->hash.
7666 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7667 htab_find_with_hash.
7668 * cpphash.h: Prototype _cpp_calc_hash.
7669 * cppinit.c (initialize_builtins): Provide a valid hash
7670 to _cpp_make_hashnode, using _cpp_calc_hash.
7672 * cpphash.c (collect_expansion): # is not a special character
7673 in object-like macros. In -traditional mode, /**/ is not
7674 token paste at the beginning or end of the line.
7675 * cpplib.c (do_include, do_import, do_include_next): If
7676 parse_include fails, return immediately.
7678 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7680 * config/arm/arm.md (return peepholes): Update to reflect the new
7682 * config/arm/arm.c (arm_volatile_func): Also check
7683 current_function_nothrow.
7684 (output_return_instruction, output_func_prologue): Use it.
7685 (arm_output_epilogue, arm_expand_prologue): Likewise.
7687 2000-03-27 Tom Tromey <tromey@cygnus.com>
7689 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7692 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7694 * expr.c (store_constructor): SIZE now signed.
7695 For EXPR_SIZE, don't evaluate size; just needed if constant.
7696 * fold-const.c (fold): Fix a number of cases when folded tree is
7698 * function.c (flush_addressof): Reenable.
7699 * tree.h (flush_addressof): Likewise.
7700 * toplev.c (independent_decode_option): Look at strings_processed.
7701 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7703 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7705 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7706 Allow stack adjustment after function call.
7708 * regmove.c (struct csa_memlist): Make mem field rtx *.
7709 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7710 (try_apply_stack_adjustment): Replace whole MEM rtx.
7711 (combine_stack_adjustments_for_block): Update calls
7712 to record_one_stack_ref.
7714 2000-03-28 Neil Booth <NeilB@earthling.net>
7716 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7717 '\\' rather than a null character, so nulls are not special. Fix
7718 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7719 speed trigraph conversion.
7720 (_cpp_init_input_buffer): Initialize trigraph map.
7722 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7724 * config/i386/i386.c (output_387_binary_op): Correct intel
7725 mode assembly output, and add spaces after commas in AT&T
7726 output. Correct Unixware assembler comment. Document input
7727 constraints. Comment fp operations. Reduce profligate buffer
7728 size. Remove extraneous abort. Localize temp var.
7729 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7730 (output_fix_trunc): Add spaces after commas in assembly output.
7732 2000-03-27 Richard Henderson <rth@cygnus.com>
7734 * i386-protos.h (ix86_match_ccmode): Declare.
7735 * i386.c (ix86_match_ccmode): New.
7736 (ix86_expand_fp_compare): Update for pattern renames.
7737 (ix86_expand_strlensi_unroll_1): Likewise.
7738 * i386.h (EXTRA_CC_MODES): Add CCZ.
7739 (SELECT_CC_MODE): Use it for EQ/NE zero.
7740 * i386.md (cmpsi_ccz_1): New.
7742 (*testsi_ccz_1): New.
7743 (testqi_ccz_1): New.
7744 (cmpsi_ccno_1): Rename from cmpsi_0.
7745 (testsi_ccno_1): Rename from testsi_1.
7746 (testqi_ccno_1): Rename from testqi_1.
7747 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7748 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7749 (*cmphi_0): Use ix86_match_ccmode.
7750 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7751 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7752 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7753 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7754 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7755 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7756 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7757 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7758 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7759 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7760 (appropriate peepholes): Likewise.
7761 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7762 (*subsi_3, *subhi_3, *subqi_3): Remove.
7763 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7764 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7765 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7766 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7767 (x86_shift_adj_1): Use CCZ.
7768 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7770 2000-03-27 Stan Cox <scox@cygnus.com>
7772 * resource.h (mark_resource_type): New.
7773 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7774 find_free_register): Use mark_resource_type.
7775 (mark_set_resources): Change include_delayed_effects
7776 to mark_resource_type.
7777 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7778 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7779 Use mark_resource_type.
7781 2000-03-27 Richard Henderson <rth@cygnus.com>
7783 * i386.md (call_pop_0, call_value_pop_0): New.
7784 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7785 (call_value_pop_1): Likewise.
7786 (call_0, call_value_0): New.
7787 (call_1, call_value_1): Remove constraint from unused arg.
7789 2000-03-27 Nick Clifton <nickc@cygnus.com>
7791 * invoke.texi (Spec Files): Document new spec % command created by
7792 Tom Tromey's recent patch.
7794 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7796 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7799 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7801 * expr.c (expand_assignment): Fix typo in last change.
7803 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7805 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7807 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7808 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7809 and DECL_INLINE if FUNCTION_DECL.
7810 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7811 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7812 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7813 (combine_parm_decls): Likewise.
7814 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7815 * print-tree.c (print_node): Likewise.
7816 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7817 DECL_TRANSPARENT_UNION on proper decl types.
7818 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7819 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7820 DECL_BIT_FIELD of FIELD_DECL.
7821 * tree.h (DECL_RESULT_FLD): New macro.
7823 * expr.c (expand_assignment): Add code to handle variable-sized
7826 2000-03-26 Richard Henderson <rth@cygnus.com>
7828 * calls.c (expand_call): Pass parms not original exp to
7829 optimize_tail_recursion. Mind return value instead of looking
7831 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7832 call_expr. Move checks for call_expr and current_function_decl ...
7833 (expand_return): ... here.
7835 2000-03-26 Tom Tromey <tromey@cygnus.com>
7837 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7838 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7840 (process_command): Use them.
7841 (check_live_switch): Likewise.
7842 (give_switch): Skip ignored switches.
7844 2000-03-26 Jan Hubicka <jh@suse.cz>
7846 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7847 for minimal jump pass test.
7849 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7851 * integrate.c (function_cannot_inline_p): Do inline functions that
7854 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7856 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7857 now a list of TREE_LIST entries, not types.
7858 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7860 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7861 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7863 * config/mips/mips.c (function_arg): Likewise; also remove cast
7864 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7865 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7866 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7867 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7868 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7869 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7870 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7871 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7872 num_adjusts now unsigned.
7873 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7874 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7876 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7877 as is BITPOS variable; use host_integerp and int_bit_position.
7878 (function_arg_record_value_2): Likewise.
7879 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7880 Variable REGNO now unsigned.
7881 (function_arg_record_value): NREGS now unsigned.
7883 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7885 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7887 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7889 * Rework fields used to describe positions of bitfields and
7890 modify sizes to be unsigned and use HOST_WIDE_INT.
7891 * alias.c (reg_known_value_size): Now unsigned.
7892 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7893 (really_start_incremental_init): Use bitsize_zero_node.
7894 (push_init_level, pop_init_level, output_init_element): Likewise.
7895 Use bitsize_unit_node and bitsize_one_node.
7896 (output_pending_init_elements, process_init_element): Likewise.
7897 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7898 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7899 HOST_WIDE_INT, respectively.
7900 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7901 (num_sign_bit_copies): Returns unsigned.
7902 BITWIDTH now unsigned; rework arithmetic.
7903 Remove recursive call from arg to MAX.
7904 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7905 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7907 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7908 (find_split_point, expand_compound_operation, make_extraction): LEN
7909 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7910 (make_field_assignment): Likewise.
7911 (combine_simplify_rtx): Add cast.
7912 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7913 (force_to_mode): WIDTH now unsigned; add cast.
7914 (if_then_else_cond): SIZE now unsigned.
7915 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7916 (extended_count): Now returns unsigned.
7917 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7918 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7919 (simplify_comparison): MODE_WIDTH now unsigned.
7920 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7921 (mark_used_regs_combine): Likewise; rework arithmetic.
7922 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7923 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7924 (record_promoted_value): REGNO now unsigned.
7925 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7926 (get_last_value): REGNO now unsigned.
7927 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7928 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7929 (remove_death): Arg REGNO now unsigned.
7930 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7931 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7933 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7934 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7935 (struct cse_reg_info): REGNO now unsigned.
7936 (cached_regno): Now unsigned.
7937 (REGNO_QTY_VALID_P): Add cast.
7938 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7939 (remove_invalid_regs): Likewise.
7940 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7941 as are variables END and I.
7942 (get_cse_reg_info, insert): Likewise.
7943 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7944 (canon_hash): Likewise.
7945 (insert_regs, lookup_for_remove): REGNO now unsigned.
7946 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7948 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7949 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7950 * emit-rtl.c (subreg_realpart_p): Add cast.
7951 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7952 (operand_subword_force): Arg I is now unsigned.
7953 * except.c (eh_regs): Variable I is now unsigned.
7954 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7955 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7956 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7957 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7958 (extract_split_bit_field, store_bit_field, extract_bit_field):
7960 * expr.c (store_constructor_fields, store_constructor, store_field):
7961 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7962 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7963 (do_jump): Likewise.
7964 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7965 MAX_SIZE is now unsigned.
7966 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7967 (emit_group_store): Likewise.
7968 (emit_move_insn): I now unsigned.
7969 (store_constructor): Use host_integerp, tree_low_cst, and
7971 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7972 Rework all calculations to use trees and new fields.
7973 * expr.h (promoted_input_arg): Regno now unsigned.
7974 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7975 (mark_seen_cases): Arg is HOST_WIDE_INT.
7976 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7977 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7978 precisions and alignments are unsigned.
7979 (optimize_bit_field_compare, fold_truthop): Likewise.
7980 (int_const_binop): Adjust threshold for size_int_type_wide call.
7981 (fold_convert): Likewise.
7982 (size_int_type_wide): Make table larger and fix thinko that only
7983 had half of table used.
7984 (all_ones_mask_p, fold): Precisions are unsigned.
7985 * function.c (put_reg_info_stack): REGNO is unsigned.
7986 (instantiate_decl): Size is HOST_WIDE_INT.
7987 (instantiate_virtual_regs): I is unsigned.
7988 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7989 (promoted_input_arg): REGNO is unsigned.
7990 * function.h (struct function): x_max_parm_reg is now unsigned.
7991 * gcse.c (max_gcse_regno): Now unsigned.
7992 (struct null_pointer_info): min_reg and max_reg now unsigned.
7993 (lookup_set, next_set): REGNO arg now unsigned.
7994 (compute_hash_table): REGNO and I now unsigned.
7995 (handle_avail_expr): regnum_for_replacing now unsigned.
7996 (cprop_insn): REGNO now unsigned.
7997 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7998 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7999 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
8000 * hard-reg-set.h (reg_class_size): Now unsigned.
8001 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
8002 * jump.c (mark_modified_reg): I now unsigned; add cast.
8003 (rtx_equal_for_thread_p): Add cast.
8004 * loop.c (max_reg_before_loop): Now unsigned.
8005 (struct_movable): REGNO now unsigned.
8006 (try_copy_prop): REGNO arg unsigned.
8007 (regs_match_p): XN and YN now unsigned.
8008 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
8009 (strength_reduce): Likewise; NREGS also unsigned.
8010 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
8011 * loop.h (struct iv_class): REGNO now unsigned.
8012 (max_reg_before_loop, first_increment_giv, last_increment_giv):
8014 * machmode.h (mode_size, mode_unit_size): Now unsigned.
8015 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
8016 * optabs.c (expand_binop): I and NWORDS now unsigned.
8017 (expand_unop): I now unsigned.
8018 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
8019 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
8020 * real.c (significand_size): Now returns unsigned.
8021 * real.h (significand_size): Likewise.
8022 * regclass.c (reg_class_size): Now unsigned.
8023 (choose_hard_reg_mode): Both operands now unsigned.
8024 (record_reg_classes): REGNO and NR now unsigned.
8025 (reg_scan): NREGS now unsigned.
8026 (reg_scan_update): old_max_regno now unsigned.
8027 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
8028 * reload.c (find_valid_class): BEST_SIZE now unsigned.
8029 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
8030 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
8031 Likewise for variable R.
8032 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
8033 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
8034 (find_equiv_reg): Add casts.
8035 (regno_clobbered_p): Arg REGNO now unsigned.
8036 * reload.h (struct reload): NREGS now unsigned.
8037 (refers_to_regno_for_reload_p): Regno args are unsigned.
8038 (regno_clobbered_p): Likewise.
8039 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
8040 (compute_use_by_pseudos): REGNO now unsigned.
8041 (find_reg): I and J now unsigned, new variable K, and change loop
8042 variables accordingly; THIS_NREGS now unsigned.
8043 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
8044 (spill_hard_reg): REGNO arg now unsigned; add casts.
8045 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
8046 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
8047 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
8048 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
8049 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
8050 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
8051 (emit_reload_insns): REGNO now unsigned.
8052 (reload_cse_move2add): Add cast.
8053 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
8055 * resource.c (mark_referenced_resources, mark_set_resources): New
8056 variable R; REGNO and LAST_REGNO now unsigned.
8057 (mark_target_live_regs): J and REGNO now unsigned.
8058 * rtl.c (mode_size, mode_unit_size): Now unsigned.
8059 * rtl.h (union rtunion_def): New field rtuint.
8060 (XCUINT): New macro.
8061 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
8062 (operand_subword, operand_subword_force): Word number is unsigned.
8063 (choose_hard_reg_mode): Operands are unsigned.
8064 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
8065 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
8066 (regno_use_in, combine_instructions, remove_death): Likewise.
8067 (reg_scan, reg_scan_update): Likewise.
8068 (extended_count): Return is unsigned.
8069 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
8070 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
8071 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
8072 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
8073 (reg_reg_last_1): FIRS and LAST now unsigned.
8074 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
8075 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
8077 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
8078 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
8079 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
8080 (replace_regs): Arg NREGS now unsigned.
8081 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
8082 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
8083 (simplify_binary_operation): Likewise.
8084 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
8085 THIS_LAST now unsigned.
8086 (cselib_record_set): Add cast.
8087 * ssa.c (ssa_max_reg_num): Now unsigned.
8088 (rename_block): REGNO now unsigned.
8089 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
8091 (all_cases_count): Just return -1 not -2.
8092 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
8093 Rework tests to use trees whenever possible.
8094 Use host_integerp and tree_low_cst.
8095 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
8096 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
8097 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
8098 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
8099 (smallest_mode_for_size): Likewise.
8100 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
8101 KNOWN_ALIGN is now an alignment, so simplify code.
8102 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
8103 (start_record_layout): Renamed from new_record_layout_info.
8104 Update to new fields.
8105 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
8107 (place_union_field): Renamed from layout_union_field.
8108 Update to use new fields in rli.
8109 (place_field): Renamed from layout_field.
8110 Major rewrite to use new fields in rli; pass alignment to layout_decl.
8111 (finalize_record_size): Rework to use new fields in rli and handle
8113 (compute_record_mode): Rework to simplify and to use new DECL fields.
8114 (finalize_type_size): Make rounding more consistent.
8115 (finish_union_layout): Deleted.
8116 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
8117 (layout_type, case RECORD_TYPE): Call new function names.
8118 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
8119 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
8120 (get_best_mode): UNIT is now unsigned; remove casts.
8121 * tree.c (bit_position): Compute from new fields.
8122 (byte_position, int_byte_position): New functions.
8123 (print_type_hash_statistics): Cast to remove warning.
8124 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
8125 (build_index_type): Likewise; make subtype of sizetype.
8126 (build_index_2_type): Pass sizetype to build_range_type.
8127 (build_common_tree_nodes): Use size_int and bitsize_int to
8128 initialize nodes; add bitsize_{zero,one,unit}_node.
8129 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
8130 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
8131 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
8132 (DECL_FIELD_BITPOS): Deleted.
8133 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
8134 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
8135 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
8136 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
8137 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
8138 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
8139 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
8140 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
8141 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
8142 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
8143 (DECL_ALIGN): Adjust to new field in union.
8144 (DECL_OFFSET_ALIGN): New field.
8145 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
8146 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
8147 (union tree_decl): Add struct for both aligns.
8148 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
8149 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
8150 (struct record_layout_info): Rework fields to have offset
8151 alignment and byte and bit position.
8152 (start_record_layout, place_field): Renamed from old names.
8153 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
8154 (byte_position, int_byte_position): Likewise.
8155 (get_inner_reference): Change types of position and length.
8156 * unroll.c (unroll_loop): New variable R; use for some loops.
8157 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
8158 (calculate_giv_inc): Arg REGNO now unsigned.
8159 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
8160 * varasm.c (assemble_variable): Clean up handling of size using
8161 host_integerp and tree_low_cst.
8162 (decode_addr_const): Use byte, not bit, position.
8163 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
8164 use tree_low_cst and int_bit_position.
8165 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
8167 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
8169 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
8170 (reorder_block_def): New members eff_head and eff_end.
8171 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
8172 (verify_insn_chain): New function.
8173 (skip_insns_between_block): Add code to skip deleted insns.
8174 Check for note before using.
8175 (chain_reorder_blocks): Replace calls to skip_insns_between_block
8176 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
8177 Check for note before using.
8178 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
8179 (fixup_reorder_chain): Restructure, clean up, defect removal.
8180 (reorder_basic_blocks): Remove last_insn and references to it.
8181 Moved insn chain verification code into a new function (see above).
8182 Delete defective code that sets last insn.
8183 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
8186 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8188 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
8190 2000-03-24 Richard Henderson <rth@cygnus.com>
8192 * tree.c (lang_safe_for_unsave): Remove.
8193 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
8194 allowing for two levels of unsafeness. Remove lang hook.
8195 * tree.h: Update declarations.
8196 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
8197 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
8198 Always fail sibcalls when there are pending cleanups.
8200 2000-03-24 Geoff Keating <geoffk@cygnus.com>
8202 * flow.c (propagate_block): When we delete an ADDR_VEC,
8203 also delete the BARRIER following it if there is one.
8205 2000-03-24 Richard Henderson <rth@cygnus.com>
8207 * builtins.c (expand_builtin_bzero): Convert `length' argument
8210 2000-03-24 Jakub Jelinek <jakub@redhat.com>
8212 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
8213 comparison if regno's are equal.
8214 * calls.c (initialize_argument_informat): Add ecf_flags argument.
8215 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8216 (expand_call): Update caller.
8217 Avoid making a sibling call if argument size of the callee is larger
8218 than argument size of the caller.
8219 Call hard_function_value with outgoing set if in sibcall pass.
8220 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8222 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
8223 Change LEAF_REGISTERS from an array initializer to actual array
8224 identifier. Move static global variable into the function.
8225 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
8226 sequences for leaf functions.
8227 * global.c (global_alloc): Likewise.
8228 * tm.texi (LEAF_REGISTERS): Update documentation.
8230 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
8231 TARGET_FLAT leaf disabling hack.
8232 (LEAF_REGISTERS): Changed from an array initializer to actual array
8233 identifier to avoid duplication and remove the above hack.
8234 (FUNCTION_OK_FOR_SIBCALL): Define.
8235 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
8236 always like call attribute.
8237 (eligible_for_sibcall_delay): New attribute.
8238 (sibcall): New delay type.
8239 (sibcall, sibcall_value, sibcall_epilogue): New expands.
8240 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
8241 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
8242 * config/sparc/sparc.c (sparc_leaf_regs): New array.
8243 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
8245 (output_function_epilogue): Move part of the code into
8246 output_restore_regs.
8247 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
8249 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
8252 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
8253 until infrastructure is finished.
8255 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
8257 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
8258 (save_parm_insns): Not here.
8260 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8262 * builtins.c (expand_builtin_bzero): New function.
8263 (expand_builtin): Handle bzero.
8265 * builtins.def: Add BUILT_IN_BZERO.
8267 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8268 prototype & function for bzero.
8270 2000-03-23 Michael Meissner <meissner@redhat.com>
8272 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8273 change adding TARGET_FP to the TF floating point insns, except for
8274 trunctfsf2, which generates direct calls to truncdfsf2.
8276 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8278 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8279 try to protect against middle-end changes that break binary
8281 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8283 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8285 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8287 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8289 * calls.c (expand_call): If TARGET is passed by reference and
8290 is readonly, write a CLOBBER.
8292 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8294 * builtins.c (expand_builtin): Handle bcmp.
8296 * builtins.def: Add BUILT_IN_BCMP.
8298 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8299 prototype & function for bcmp.
8301 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8303 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8304 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8305 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8307 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8309 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8310 alternative when using -fp64 -gp32.
8312 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8314 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8315 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8316 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8318 * frame.h (frame_state): Revert last change.
8319 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8320 * libgcc2.c (throw_helper): Revert last change.
8322 2000-03-22 Richard Henderson <rth@cygnus.com>
8324 * stmt.c (expand_asm_operands): Don't promote the temporary.
8326 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8328 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8329 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8330 c_get_alias_set): Likewise.
8331 * c-decl.c (duplicate_decls): Likewise.
8332 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8333 * calls.c (initialize_argument_information): Likewise.
8334 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8336 * dwarfout.c (decl_class_context,output_type): Likewise.
8337 * expr.c (get_inner_reference): Likewise.
8338 * fold-const.c (simple_operand_p,fold): Likewise.
8339 * function.c (aggregate_value_p): Likewise.
8340 * stmt.c (expand_asm_operands): Likewise.
8341 * varasm.c (named_section): Likewise.
8343 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8345 Implement dwarf2 exception handling for the ARM.
8346 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8347 (DWARF_FRAME_RETURN_COLUMN): Define.
8348 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8349 REG_FRAME_RELATED_EXPR note.
8350 (emit_sfm): Likewise.
8351 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8352 * dwarf2out.c (reg_save): Handle saving a register to itself.
8353 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8354 * except.c (eh_regs): Don't use the static chain reg if it's
8356 * frame.h (frame_state): Add cfa_saved field.
8357 * frame.c (execute_cfa_insn): Set it.
8358 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8360 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8362 (instantiate_virtual_regs): Adjust.
8364 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8365 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8366 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8368 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8369 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8371 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8373 * builtins.def: New file.
8375 * Makefile.in (TREE_H): Depend on builtins.def.
8377 * builtins.c (built_in_names): Use builtins.def.
8379 * tree.h (built_in_function): Likewise.
8381 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8383 * tree.c (size_in_bytes): Return size_zero_node, not
8386 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8388 * config/fp-bit.c (pack_d): Correct the case when a denormal
8389 is rounded up and stops being denormal.
8391 2000-03-21 Richard Henderson <rth@cygnus.com>
8393 * config/alpha/alpha.c (function_arg): Check for void_type_node
8394 before using MUST_PASS_IN_STACK.
8396 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8398 * regmove.c (combine_stack_adjustments_for_block): Check that
8399 the stack pointer is a valid memory address.
8401 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8403 * calls.c: re-install Mar 16 emit_library_call merge.
8405 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8407 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8408 we cannot be sure that if reload_completed base register will
8409 be properly aligned.
8411 2000-03-21 Richard Henderson <rth@cygnus.com>
8413 * flow.c (delete_block): Fix typo last change.
8415 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8417 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8418 not COMPLETE_TYPE_P, to check the type of the expression.
8420 2000-03-21 Michael Meissner <meissner@redhat.com>
8422 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8423 all floating point insns that just tested the macro
8424 TARGET_HAS_XFLOATING_LIBS.
8425 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8426 used to only use the gprs.
8428 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8430 * tree.h (COMPLETE_TYPE_P): New macro.
8431 (COMPLETE_OR_VOID_TYPE_P): New macro.
8432 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8433 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8434 * c-aux-info.c (gen_type): Use them.
8435 * c-common.c (c_expand_expr_stmt): Likewise.
8436 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8437 grokdeclarator, grokparms, finish_struct, start_function,
8438 store_parm_decls, combine_parm_decls): Likewise.
8439 * c-parse.y (cast_expr): Likewise.
8440 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8441 c_size_in_bytes, c_alignof, build_component_ref,
8442 build_indirect_ref, build_array_ref, convert_arguments,
8443 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8444 * calls.c (initialize_argument_information): Likewise.
8445 * convert.c (convert_to_integer): Likewise.
8446 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8447 * dwarfout.c (location_or_const_value_attribute,
8448 output_enumeration_type_die, output_structure_type_die,
8449 output_union_type_die, output_type): Likewise.
8450 * expr.c (safe_from_p, expand_expr): Likewise.
8451 * function.c (assign_parms): Likewise.
8452 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8453 * tree.c (build_array_type, build_function_type,
8454 build_method_type, build_offset_type, build_complex_type): Likewise.
8455 * c-parse.c, c-parse.h: Regenerated.
8457 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8459 * config/c4x/rtems.h: Include config/rtems.h.
8461 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8463 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8464 decl is a FUNCTION_DECL
8466 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8468 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8469 function uses output registers. Don't save RP for leaf functions.
8470 Do save RP even if no epilogue.
8471 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8472 (CALL_USED_REGISTERS): Unmark in registers.
8473 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8476 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8478 * config/rs6000/rs6000.md (bunordered): New expander.
8479 (bordered): New expander.
8480 (buneq): New expander.
8481 (bunge): New expander.
8482 (bungt): New expander.
8483 (bunle): New expander.
8484 (bunlt): New expander.
8485 (bltgt): New expander.
8487 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8488 (ccr_bit_negated_p): New function.
8489 (print_operand): For %C, generate appropriate cror for UNEQ,
8490 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8492 2000-03-20 Andreas Jaeger <aj@suse.de>
8494 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8497 * tree.h (safe_for_unsave): Prototype.
8499 2000-03-20 Richard Henderson <rth@cygnus.com>
8501 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8502 (combine_stack_adjustments_for_block): Don't allow sp references
8503 in the side of a set we're not fixing up.
8504 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8505 after life_analysis.
8507 2000-03-20 Richard Henderson <rth@cygnus.com>
8509 * calls.c (expand_call): Don't bother generating tail call
8510 sequences if there are pending cleanups. Use
8511 expand_start_target_temps/expand_end_target_temps to elide
8512 cleanups created during sibcall expansion.
8514 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8516 * configure.in: Set $IFS to a value if it doesn't already have one
8517 in the --enable-checking handling.
8518 * configure: Regenerate.
8520 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8522 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8523 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8526 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8528 * jump.c (delete_noop_moves): Remove code attempting to
8529 combine stack adjustments.
8531 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8533 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8534 * except.c (emit_cleanup_handler): Use them.
8535 (expand_end_all_catch): Likewise.
8536 * function.c (fixup_var_refs): Likewise.
8537 (expand_function_end): Clear catch_clauses_last.
8538 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8539 * except.h (struct eh_status): New field x_catch_clauses_last.
8540 (catch_clauses_last): New define.
8542 * Makefile.in (tree.o): Depend on HASHTAB_H.
8543 * tree.c: Include hashtab.h.
8544 (struct type_hash): Remove next field.
8545 (TYPE_HASH_SIZE): Remove.
8546 (TYPE_HASH_INITIAL_SIZE): New define.
8547 (type_hash_table): Change type to htab_t.
8548 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8549 mark_hash_entry): New functions.
8550 (init_obstacks): Allocate type hash.
8551 (type_hash_lookup): Use htab functions.
8552 (type_hash_add, mark_type_hash): Likewise.
8553 (dump_tree_statistics): Call print_type_hash_statistics.
8555 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8557 * rs6000/t-aix41: New file.
8559 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8561 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8563 * tm.texi (Driver): Fix typos and tweak entry for
8565 Move misplaced STRUCT_FORCE_BLK entry ...
8566 (Storage Layout): ... to here.
8567 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8569 2000-03-19 Richard Henderson <rth@cygnus.com>
8571 * flow.c (delete_block): Delete the addr_vec along with the block.
8572 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8575 * fold-const.c (extract_muldiv): Apply type check for defined
8576 overflow to multiply as well as divide.
8578 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8580 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8582 * emit-rtl.c (remove_unncessary_notes): Check that all
8583 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8584 associated NOTE_BLOCK.
8585 * function.h (identify_blocks): Update comments.
8586 (reorder_blocks): Declare.
8587 * function.c (identify_blocks): Don't take paramters.
8588 (reorder_blocks): Don't take parameters.
8589 * loop.h (find_loop_tree_blocks): Remove.
8590 (unroll_block_trees): Likewise.
8591 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8592 reorder_blocks instead of unroll_block_trees.h
8593 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8594 * stmt.c (find_loop_tree_blocks): Remove.
8595 (unroll_block_trees): Likewise.
8596 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8597 in whole-function mode.
8598 * tree.h (reorder_blocks): Remove declaration.
8600 * expr.c: Include intl.h.
8601 * Makefile.in (expr.o): Depend on intl.h.
8603 2000-03-18 Richard Henderson <rth@cygnus.com>
8605 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8607 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8609 * tree.h (tree_index): Remove enumerals for integer types.
8610 (integer_type_kind): New type.
8611 (integer_types): New variable.
8612 (char_type_node): Adjust.
8613 (signed_char_type_node): Likewise.
8614 (unsigned_char_type_node): Likewise.
8615 (short_integer_type_node): Likewise.
8616 (short_unsigned_type_node): Likewise.
8617 (integer_type_node): Likewise.
8618 (unsigned_type_node): Likewise.
8619 (long_integer_type_node): Likewise.
8620 (long_unsigned_type_node): Likewise.
8621 (long_long_integer_type_node): Likewise.
8622 (long_long_unsigned_type_node): Likewise.
8623 * tree.c (integer_types): New variable.
8624 (init_obstacks): Register it as a root.
8626 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8628 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8629 NEXT_INSN. Update last insn in chain.
8631 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8633 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8634 with TYPE_DECL_SUPPRESS_DEBUG set.
8636 2000-03-18 Richard Henderson <rth@cygnus.com>
8638 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8640 2000-03-18 Richard Henderson <rth@cygnus.com>
8642 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8643 care for HALF_PIC_P.
8644 (expander_call_insn_operand): Remove.
8645 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8646 * i386.h (PREDICATE_CODES): Update.
8647 * i386.md (all call expanders): Remove predicates, remove special
8648 handling for half-pic.
8649 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8650 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8651 (sibcall_epilogue): New.
8653 2000-03-17 Richard Henderson <rth@cygnus.com>
8655 * rtlanal.c (single_set): Reject if the parallel has anything
8656 except SET or USE or CLOBBER.
8658 2000-03-17 Jeff Law <law@cygnus.com>
8659 Richard Henderson <rth@cygnus.com>
8661 * Makefile.in (OBJS): Add sibcall.o.
8663 * sibcall.c: New file.
8664 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8665 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8666 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8667 Emit sibcall patterns when requested. Update all callers.
8668 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8669 elimination seems feasable.
8670 * final.c (leaf_function_p): Sibling calls don't discount being
8672 * flow.c (HAVE_sibcall_epilogue): Provide default.
8673 (find_basic_blocks_1): Sibling calls don't throw.
8674 (make_edges): Make edge from sibling call to EXIT.
8675 (propagate_block): Don't remove sibcall_epilogue insns.
8676 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8677 (sibcall_epilogue): New.
8678 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8679 (identify_blocks_1): Likewise. Break out from ...
8680 (identify_blocks): ... here.
8681 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8682 (reorder_blocks): ... here.
8683 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8684 (record_insns): Extend a varray instead of mallocing new memory.
8685 (contains): Read a varray not array of ints.
8686 (sibcall_epilogue_contains): New.
8687 (thread_prologue_and_epilogue_insns): Emit and record
8688 sibcall_epilogue patterns.
8689 (init_function_once): Allocate prologue/epilogue varrays.
8690 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8691 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8693 (save_for_inline_nocopy): ... here.
8694 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8696 (expand_inline_function): ... here.
8697 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8698 (subst_constants): Handle 'n' formats.
8699 * jump.c (jump_optimize_minimal): New.
8700 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8701 optimizations if it's set.
8702 * rtl.c (copy_rtx): Do copy jump & call for insns.
8703 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8704 (SIBLING_CALL_P): New.
8705 (sibcall_use_t): New.
8706 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8707 Invoke optimize_sibling_and_tail_recursive_calls.
8708 * tree.c (lang_safe_for_unsave): New.
8709 (safe_for_unsave): New.
8710 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8712 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8713 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8714 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8716 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8718 * objc/objc-act.c (encode_method_prototype): Pass types, not
8719 PARM_DECLs, to int_size_in_bytes.
8721 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8723 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8725 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8726 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8728 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8730 * Clean up usages of TREE_INT_CST_LOW.
8731 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8732 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8734 * c-tree.h (min_precision): Move declaration to here.
8735 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8736 (build_unary_op, add_pending_init): Use bit_position.
8737 (pending_init_member, process_init_element): Likewise.
8738 (really_start_incremental_init, push_init_level, pop_init_level):
8739 Don't make copies of nodes or modify them in place, use consistent
8740 types when tracking positions, and use tree routines computations.
8741 (set_init_index, output_init_element): Likewise.
8742 (output_pending_init_elements, process_init_element): Likewise.
8743 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8744 tree_low_cst and int_bit_position; also minor cleanup.
8745 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8746 (print_cst_octal): Precision is unsigned.
8747 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8748 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8749 (simple_type_align_in_bits): Result is unsigned int.
8750 Use tree_int_low_cst and host_integerp.
8751 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8752 (field_byte_offset): Result is HOST_WIDE_INT.
8753 Change types of internal variables so alignments are unsigned int,
8754 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8755 Use host_integerp, tree_low_cst, and int_bit_position.
8756 (add_bit_offset_attribute): Likewise.
8757 (add_data_member_location_attribute): Use tree_cst_low.
8758 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8759 (add_bit_size_attribute): Use tree_low_cst.
8760 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8761 * dwarfout.c: Similar changes to dwarf2out.c.
8762 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8763 * genoutput.c (n_occurences): Return -1 for null string.
8764 (strip_whitespace): Accept null string and make into function.
8765 (scan_operands): Reflect above changes.
8766 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8767 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8768 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8769 * tree.c (int_size_in_bytes): Check for too big to represent.
8770 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8771 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8773 (min_precision): Delete from here.
8774 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8775 and int_bit_position.
8776 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8777 (encode_method_def): Likewise.
8778 (build_ivar_list_initializer): Use int_bit_position.
8779 (generate_shared_structures): Convert size.
8780 (encode_type, encode_complete_bitfield): Use integer_zerop.
8781 (encode_bitfield): Use tree_low_cst and int_bit_position.
8783 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8785 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8787 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8789 * call.c (special_function_p): It is only malloc if it returns
8792 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8794 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8795 (C33_FLAG, TARGET_C3X): Add macros.
8796 (TARGET_SWITCHES): Add -m33 option.
8797 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8799 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8801 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8802 (PARALLEL_PACK_FLAG): Delete.
8803 (TARGET_SWITCHES): Update.
8804 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8806 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8808 * fold-const.c (fold): Fix a few cases when the returned result
8809 is not of the same type as the input.
8811 2000-03-16 Nick Clifton <nickc@cygnus.com>
8813 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8816 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8818 * libgcc2.h: Move prototypes above macros with the same name.
8819 Wrap some function prototypes in the conditional which indicates
8820 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8822 2000-03-16 Richard Henderson <rth@cygnus.com>
8824 * calls.c: Revert last two changes.
8826 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8828 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8829 has exponent 0 is a zero.
8831 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8832 HASH may already be nonzero. Add code/mode into hash value
8833 immediately after repeat label.
8834 (cselib_lookup): Don't leave the hash table in an inconsistent
8835 state before a hash lookup operation.
8837 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8839 * i386.md (all HI and QI mode non-move patterns): Conditionize
8840 by TARGET_[HQ]IMODE_MATH.
8841 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8842 x86_promote_qi_regs): Declare.
8843 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8844 TARGET_PROMOTE_QI_REGS): New macros.
8845 (PROMOTE_MODE): New macro.
8846 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8847 x86_promote_qi_regs): New global variables.
8849 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8851 * calls.c (emit_library_call_value_1): Break out from ...; handle
8852 VOIDmode function calls too.
8853 (emit_library_call_value): ... here.
8854 (emit_library_call): Implement by calling emit_library_call_value_1.
8856 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8858 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8859 Update arg_space_so_far on stack adjustments.
8860 (emit_library_call, emit_library_call_value): Likewise; take into
8861 account arg_space_so_far and pending_stack_adjust when calculcating
8864 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8866 * flow.c: Move all basic block reordering code into its own file.
8867 (create_basic_block): Externalize.
8868 * bb-reorder.c: New file. Copy all basic block reordering code from
8869 flow.c to this file.
8870 (reorder_basic_blocks): Fix fencepost error in for-loop.
8871 (reorder_basic_blocks): Remove braces from single statement for-loops.
8872 * basic-block.h: Add declaration for create_basic_block.
8873 * Makefile.in: Add rules for bb-reorder.o.
8875 2000-03-16 Neil Booth <NeilB@earthling.net>
8877 * cppinit.c (handle_option): Implement #unassert directive
8878 as -A- command line option.
8879 (print_help): Update.
8880 * cpptexi.c: Update.
8882 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8884 * md.texi (Standard Names): Document `jump'.
8886 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8888 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8891 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8893 Merge changes from newppc-branch onto trunk.
8895 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8897 * rs6000.c (toc_hash_table): Update for new hash table functions.
8898 (toc_hash_function): Likewise.
8899 (toc_hash_eq): Likewise.
8900 (toc_hash_mark_entry): Likewise.
8901 (toc_hash_mark_table): Likewise.
8902 (output_toc): Likewise.
8903 (rs6000_add_gc_roots): Likewise.
8905 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8907 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8908 (AR_FLAGS_FOR_TARGET): here. New macro.
8910 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8912 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8913 fpmem_operand) Delete.
8915 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8916 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8917 (rs6000_save_machine_status, rs6000_restore_machine_status,
8918 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8919 references to above variables.
8920 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8921 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8922 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8923 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8924 (XER_REGNO_P, XER_REGNO): New.
8925 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8926 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8927 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8929 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8930 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8931 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8933 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8935 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8936 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8937 * rs6000.h: from here.
8939 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8940 (rs6000_select_rtx_section): Likewise.
8941 (rs6000_encode_section_info): Likewise.
8942 (sdata_section): Likewise.
8943 (sdata2_section): Likewise.
8944 (sbss_section): Likewise.
8945 * sysv4.h (rs6000_select_section): Delete prototype.
8946 (rs6000_select_rtx_section): Likewise.
8947 (rs6000_encode_section_info): Likewise.
8948 (sdata_section): Likewise.
8949 (sdata2_section): Likewise.
8950 (sbss_section): Likewise.
8951 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8953 * sysv4.h: Delete various unnecessary #undef's and put a comment
8954 on the remaining ones.
8955 Change various comments according to coding standard.
8957 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8959 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8960 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8961 (CR0_REGNO_P) Remove.
8962 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8963 setup_incoming_varargs, mtcrf_operation, print_operand,
8964 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8965 Use the above macros.
8967 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8969 * config/rs6000/rs6000.md: Added a new alternative for each
8970 pattern that had a 'x' alternative but no 'y' alternative.
8971 Added a new split for each of the above patterns.
8973 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8975 * aix41.h (ASM_CPU_SPEC): Delete.
8976 (CPP_CPU_SPEC): Delete.
8978 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8979 (ASM_OUTPUT_LABEL): Define.
8980 (ASM_GLOBALIZE_LABEL): Define.
8981 (STRIP_NAME_ENCODING): Define.
8982 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8983 (STRIP_NAME_ENCODING): Don't define.
8984 (ASM_OUTPUT_LABEL): Don't define.
8985 (ASM_GLOBALIZE_LABEL): Don't define.
8986 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8987 names, and ASM_OUTPUT_LABEL to output labels, rather than
8989 (ASM_OUTPUT_LABEL): Define.
8990 (ASM_OUTPUT_INT): Use assemble_name.
8991 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8992 (STRIP_NAME_ENCODING): Don't undefine first.
8993 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8995 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8996 specified with 'asm' even with -fleading-underscore.
8997 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8998 (output_epilog): Likewise.
8999 (output_toc): Likewise.
9000 * tramp.asm: Handle -fleading-underscore correctly.
9002 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
9004 (nonlocal_goto_receiver): Delete.
9005 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
9007 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
9008 (SET_ASM_OP): Define.
9009 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
9011 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
9014 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
9015 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
9017 * rs6000.h: Add 'u' to more constants.
9019 2000-02-18 David Edelsohn <edelsohn@gnu.org>
9021 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
9023 2000-02-15 David Edelsohn <edelsohn@gnu.org>
9025 * rs6000.c (reg_or_u_cint_operand): New function.
9026 (logical_operand): Handle 64-bit hosts.
9027 (logical_u_operand): New function.
9028 (non_logical_cint_operand): Handle 64-bit hosts.
9029 (non_logical_u_cint_operand): New function.
9030 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
9031 (PREDICATE_CODES): Define new functions.
9032 * rs6000-protos.h: Declare new functions.
9033 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
9034 (movdi_64): Bracket code intended for 64-bit hosts. Create
9035 CONST_DOUBLE for 32-bit values.
9036 (scc insns): Generate DImode compares.
9037 (mfcr insns): Create DImode versions.
9038 (sge matchers): New patterns.
9040 2000-02-15 Gabriel Paubert <paubert@iram.es>
9042 * rs6000.md: Correct instructions length attributes and
9043 constraints on unsigned compare instructions.
9044 (*ne0): Disable for PowerPC64.
9046 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9048 * rs6000.c (output_function_profiler): Use .long for a 32-bit
9049 quantity, fix profile1.C test failure under -fPIC.
9051 * rs6000.c: Add 'u' to many constants to suppress warnings.
9052 (constant_pool_expr_1): Make static.
9053 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
9054 * rs6000.h: Add 'u' to many constants to suppress warnings.
9056 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
9057 for the start of the TOC, instead of LCTOC..0.
9058 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
9060 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
9061 (load_toc_aix_di): Use LCTOC..1.
9063 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
9064 * rs6000.c (rs6000_legitimize_address): New function from
9065 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
9066 symbols in the constant pool that really are TOC references.
9067 (print_operand_address): For ELF, write TOC offsets under
9068 -fPIC as subtractions in the insn.
9069 (output_toc): For ELF, define symbols in TOC as normal labels,
9071 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
9072 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
9073 (create_TOC_reference): Prototype only when RTX_CODE is defined.
9074 * rs6000.md (movsi): Only use create_TOC_reference on
9075 symbols in the constant pool that really are TOC references.
9077 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
9078 * rs6000.c (rs6000_reorg): Delete.
9079 * rs6000-protos.h (rs6000_reorg): Delete.
9081 2000-02-09 Geoff Keating <geoffk@cygnus.com>
9083 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
9085 * aix.h (SETUP_FRAME_ADDRESSES): Define.
9086 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
9087 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
9088 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
9089 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
9090 rs6000_aix_emit_builtin_unwind_init.
9091 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
9092 rs6000_emit_eh_toc_restore on AIX.
9093 (return_eh_si): Use r2.
9094 (return_eh_di): Use r2.
9096 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
9097 since we're breaking binary compatibility anyway.
9099 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9101 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
9102 constant_pool_expr_p): Declare them.
9103 (constant_pool_expr_p): Declare it.
9104 * config/rs6000/rs6000.c (toc_label_name): Define.
9105 (rs6000_override_options): Set toc_label_name.
9106 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
9107 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
9108 uses_TOC): New functions.
9109 (print_operand): Delete old '*' case.
9110 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
9111 and strip off rtl for TOC before calling output_addr_const.
9112 (rs6000_emit_load_toc_table): Use toc_label_name.
9113 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
9115 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
9116 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
9117 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
9118 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
9119 into explicit TOC_REGISTER offsets.
9120 (TOC_REGISTER): New macro.
9121 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
9122 TARGET_TOC to reference TOC_REGISTER.
9123 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
9124 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
9125 uses_TOC before emitting label references.
9127 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9129 * rs6000.md (stack_tie): Fix warning.
9131 * eabi-ctors.c: Use 'asm' names for the start/end variables,
9132 to handle -fleading-underscore.
9133 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
9134 (USER_LABEL_PREFIX): New macro.
9135 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
9136 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
9137 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
9138 call-linux can use the same multilibs.
9139 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
9140 and call-linux multilibs. Do multilib with -fleading-underscore.
9141 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
9142 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
9145 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
9146 have MASK_SOFT_FLOAT set.
9147 (CPP_FLOAT_DEFAULT_SPEC): New macro.
9148 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
9149 CPP_FLOAT_DEFAULT_SPEC.
9151 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
9152 * rs6000.md: Whitespace change.
9153 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
9154 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
9156 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9158 * rs6000.md (eh_epilogue): New expander.
9159 (eh_reg_restore): New expand/split/insn combination.
9160 (return_eh_si): New insn.
9161 (return_eh_di): New insn.
9163 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
9164 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
9165 * eabi-ctors.c (__do_global_ctors): Register this object's
9166 frame. Clean up. Call atexit() after the constructors.
9167 (__do_global_dtors): Deregister this object's frame. Clean up.
9168 Allow for recursive calls to exit().
9169 * rs6000.c (fixuplabelno): New variable.
9170 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
9171 TARGET_RELOCATABLE, it slows down exec() under linux.
9172 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
9174 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
9175 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
9176 (ASM_OUTPUT_DWARF_DELTA2): New macro.
9177 (ASM_OUTPUT_DWARF_DELTA4): New macro.
9178 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
9179 (ASM_OUTPUT_DWARF_ADDR): New macro.
9180 (ASM_OUTPUT_DWARF_DATA4): New macro.
9181 (ASM_OUTPUT_DWARF_DATA2): New macro.
9182 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
9183 (ASM_OUTPUT_DWARF_OFFSET): New macro.
9184 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
9186 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9188 * rs6000.c (rs6000_sr_alias_set): New variable.
9189 (rs6000_override_options): Initialise rs6000_sr_alias_set.
9190 (rs6000_emit_stack_tie): New function.
9191 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
9192 in a way that dwarf2out can understand.
9193 (rs6000_frame_related): New function.
9194 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
9195 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
9196 Use rs6000_emit_stack_tie when needed.
9197 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
9198 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
9199 * rs6000.md (stack_tie): New insn.
9200 (return_internal_si): Allow return value to be in the count
9202 (return_internal_di): Likewise.
9204 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
9206 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9208 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
9210 2000-01-31 Geoff Keating <geoffk@cygnus.com>
9212 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
9214 * rs6000.md (stmw): Use the right POWER opcode.
9217 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9219 * rs6000-protos.h: New file.
9221 * rs6000.c: Include tm_p.h. Fix compile time warnings.
9223 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
9226 * sysv4.h: Likewise.
9228 2000-01-28 Geoff Keating <geoffk@cygnus.com>
9230 * ../../configure.in: Delete powerpcle-*-winnt*
9231 and powerpcle-*-pe|powerpcle-*-cygwin*.
9232 * ../../configure: Regenerated.
9234 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
9235 (TARGET_WINDOWS_NT): Delete.
9237 (CALL_NT_DLLIMPORT): Delete.
9238 Delete NT-specific code.
9239 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
9242 * nt-ci.asm: Delete.
9243 * nt-cn.asm: Delete.
9244 * ntstack.asm: Delete.
9246 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9248 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
9249 (ASM_FILE_START): Likewise.
9250 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9251 (ASM_OUTPUT_LABELREF): Likewise.
9252 (ASM_OUTPUT_SKIP): Likewise.
9253 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
9254 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9255 (ASM_OUTPUT_CASE_LABEL): Likewise.
9256 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9257 (ASM_OUTPUT_ASCII): Likewise.
9259 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
9261 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
9262 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9263 increment rs6000_pic_labelno here.
9264 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9265 and increment rs6000_pic_labelno here.
9267 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9269 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9270 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9271 allocation knows (reg) is dead before the insn.
9273 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9275 * rs6000.md (movsi_to_cr): Correct typo in output template.
9277 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9279 * rs6000.c (rs6000_pic_labelno): Always define.
9280 (rs6000_pic_func_labelno): Delete.
9281 (lmw_operation): Check for a zero base register,
9282 which doesn't mean what we want.
9283 (stmw_operation): New function.
9284 (print_operand): Define new 'l' modifier.
9285 (rs6000_stack_info): We must save all 64 bits of the registers
9286 if TARGET_POWERPC64.
9287 (rs6000_output_load_toc_table): Delete.
9288 (rs6000_emit_load_toc_table): New function.
9289 (rs6000_allocate_stack_space): Delete.
9290 (rs6000_emit_allocate_stack): New function.
9291 (rs6000_emit_prologue): New function.
9292 (output_prolog): Use rs6000_emit_prologue.
9293 (rs6000_emit_epilogue): Change a few variable names to be
9294 more accurate. Restore all 64 bits of the registers if
9295 TARGET_POWERPC64. Only restore the FP registers which were used
9296 if they are being saved/restored one-at-a-time.
9297 (output_mi_thunk): Delete inefficient code generation.
9298 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9299 * rs6000.h: Declare rs6000_emit_load_toc_table,
9300 rs6000_allocate_stack_space, stmw_operation. Don't declare
9301 rs6000_output_load_toc_table.
9302 * rs6000.md (elf_high): Allow register 0, but discourage it
9304 (elf_low): Support loading into register 0.
9305 (load_toc_aix_si): New pattern.
9306 (load_toc_aix_di): New pattern.
9307 (load_toc_v4_pic_si): New pattern.
9308 (load_toc_v4_pic_di): New pattern.
9309 (load_toc_v4_PIC_1): New pattern.
9310 (load_toc_v4_PIC_1b): New pattern.
9311 (load_toc_v4_PIC_2): New pattern.
9312 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9313 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9314 (prologue): New expander.
9315 (movesi_from_cr): New pattern.
9316 (stmw): New pattern.
9317 (save_fpregs_si): New pattern.
9318 (save_fpregs_di): New pattern.
9320 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9322 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9327 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9329 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9331 (movsi_got_internal): Likewise.
9332 (movsi_got_internal+1): Likewise.
9333 (set_sp): 'unspec 7' does a SImode clobber.
9335 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9337 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9338 allocate a stack temporary.
9339 (floatsidf2_internal): Likewise.
9340 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9342 (floatunssidf2): Don't use the fpmem "register", just
9343 allocate a stack temporary.
9344 (floatunssidf2_internal): Likewise.
9345 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9347 (floatsidf2_loadaddr): Delete.
9348 (floatsidf2_store1): Delete.
9349 (floatsidf2_store2): Delete.
9350 (floatsidf2_load): Delete.
9351 (fix_truncdfsi2): Don't use the fpmem "register", just
9352 allocate a stack temporary.
9353 (fix_truncdfsi2_internal_si): Delete.
9354 (fix_truncdfsi2_internal_di): Delete.
9355 (fix_truncdfsi2_internal): New insn.
9356 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9357 (fix_truncdfsi2_store): Delete.
9358 (fix_truncdfsi2_load): Delete.
9359 (fctiwz): Produce gen_fctiwz.
9361 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9363 * eabi.h (INVOKE__main): Define.
9364 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9366 (rs6000_emit_prologue): Likewise.
9367 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9368 this is the main program.
9370 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9372 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9374 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9376 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9377 goes after the argument.
9379 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9381 * rs6000.md: Document 'unspec' values used.
9382 (epilogue): New expander.
9383 (movesi_to_cr_one): New expander.
9384 (movesi_to_cr and following): New pattern.
9386 (return_internal_si): New pattern.
9387 (return_internal_di): New pattern.
9388 (return_and_restore_fpregs_si): New pattern.
9389 (return_and_restore_fpregs_di): New pattern.
9390 * rs6000.h: Declare new functions.
9391 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9392 rather than rs6000_calls_p.
9393 (rs6000_makes_calls): Delete.
9394 (lmw_operation): New function.
9395 (mtcrf_operation): New function.
9396 (rs6000_emit_epilogue): New function.
9397 (output_epilog): Call rs6000_emit_epilogue and final if
9398 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9400 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9402 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9403 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9404 * aix.h (SUBTARGET_SWITCHES): Document switches.
9405 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9406 sched-prolog and sched-epilog the same. Document all the
9408 (TARGET_OPTIONS): No longer allow -mdebug-.
9410 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9412 * rs6000.h (ASM_FILE_END): Move to aix.h.
9413 (EXTRA_SECTIONS): Move to aix.h.
9414 (READONLY_DATA_SECTION): Move to aix.h.
9415 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9416 (SELECT_SECTION): Move to aix.h.
9417 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9418 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9419 (LINK_REGISTER_REGNUM): New definition.
9420 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9421 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9423 * sysv4.h: Delete the code between the inclusion of rs6000.h
9425 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9426 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9427 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9428 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9429 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9430 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9431 (fix_truncdfsi2_internal_di): New pattern.
9432 (fix_truncdfsi2_store): The second arg here is Pmode too.
9433 (fix_truncdfsi2_load): The second arg here is Pmode too.
9434 (tablejumpdi): Now that switch tables hold only SImode values,
9435 gcc needs to know how to add them to the pc which is DImode.
9436 * rs6000.c (rs6000_stack_info): Use symbolic name for
9437 LINK_REGISTER_REGNUM.
9438 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9439 (output_toc): Delete unused variables s1 and s2.
9440 (output_ascii): Use fputs not fprintf on a variable string.
9442 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9444 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9445 * aix43.h: Revert Aug 2 change.
9446 (HAS_INIT_SECTION): Define, not visible yet.
9447 (LD_INIT_SWITCH): Define, not visible yet.
9448 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9450 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9452 * config/rs6000/rtems.h: Include config/rtems.h.
9454 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9456 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9457 (SLOW_UNALIGNED_ACCESS): Define.
9458 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9459 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9460 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9461 (toc_section): Likewise and .toc pseudo-op.
9462 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9464 (TEXT_SECTION_ASM_OP): Likewise.
9465 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9468 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9470 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9471 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9474 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9476 * rs6000.h: Move more stuff from here...
9478 * sysv4.h: Cleanup accordingly.
9479 * netware.h: Likewise
9481 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9483 * rs6000.h: Continue cleanup.
9486 * netware.h: Likewise.
9488 * sysv4.h: Likewise.
9489 * win-nt.h: Likewise.
9491 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9492 (TARGET_OPTIONS): Likewise.
9494 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9495 (SUBTARGET_OPTIONS): Likewise.
9497 * rs6000.md: Fix compile time warnings.
9499 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9501 vxworks patches from the Cygnus tree originally by
9502 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9503 <vmakarov@cygnus.com>.
9504 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9505 (ENDFILE_SPEC): Likewise.
9506 (LIB_VXWORKS_SPEC): New macro.
9507 (STARTFILE_VXWORKS_SPEC): New macro.
9508 (ENDFILE_VXWORKS_SPEC): New macro.
9509 (LINK_START_VXWORKS_SPEC): New macro.
9510 (LINK_OS_VXWORKS_SPEC): New macro.
9511 (CPP_OS_VXWORKS_SPEC): New macro.
9512 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9513 * vxppc.h: Rewrite to use proper configuration method.
9514 * vxppcle.h: New file.
9515 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9516 * ../../configure: Rebuilt.
9518 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9520 Lots of changes to rs6000.h, sysv4.h, aix.h,
9521 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9522 with the aim that rs6000.h is the first header
9523 included and the others override it.
9526 * x-aix41-gld: Remove.
9528 * x-aix41: Remove target-specific switches, and don't specify
9529 -Wl,-bbigtoc as we don't need it any more.
9530 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9531 Use t-aix43 for AIX 4.3 and above.
9532 * ../../configure: Regenerated.
9534 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9535 options, that don't do anything yet.
9536 (MASK_SCHED_PROLOG): New macro.
9537 (MASK_SCHED_EPILOG): New macro.
9538 (TARGET_SCHED_PROLOG): New macro.
9539 (TARGET_SCHED_EPILOG): New macro.
9541 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9543 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9544 one per translation unit, not one per function.
9545 (output_toc): Also do duplicate constant elimination
9546 for per-translation-unit TOCs.
9548 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9549 a comment explaining _exactly_ when this pattern gets used.
9550 (builtin_setjmp_receiver): New pattern for better clarity.
9551 (init_v4_pic): Move it into a section dealing with TOC registers.
9553 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9555 * rs6000.c (toc_hash_table): New variable.
9556 (rs6000_hash_constant): New function.
9557 (toc_hash_function): New function.
9558 (toc_hash_eq): New function.
9559 (toc_hash_mark_entry): New function.
9560 (toc_hash_mark_table): New function.
9561 (output_toc): Don't output duplicate TOC entries in
9563 (rs6000_add_gc_roots): Add the hash table as a GC root.
9564 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9565 where they clearly shouldn't be. This may need to be fixed
9566 later when there is a GNU ar for AIX.
9567 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9568 Don't define BOOT_LDFLAGS as it is now not necessary.
9570 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9572 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9573 for va_list on AIX. Use unsigned_char_type_node rather than
9574 constructing our own version on svr4.
9576 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9578 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9579 since patently it's not.
9581 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9583 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9584 define_expand/define_insn pair, and handle restore of the
9585 SVR4 -fpic register.
9587 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9589 * acconfig.h (HAVE_GAS_WEAK): New define.
9590 * configure.in (assembler weak support): Check for .weak support.
9591 * config.in, configure: Rebuilt.
9592 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9593 HAVE_GAS_WEAK is defined.
9595 2000-03-15 Nick Clifton <nickc@cygnus.com>
9597 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9600 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9602 * cppfiles.c (open_include_file): New function.
9603 (find_include_file, cpp_read_file): Use it.
9605 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9607 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9609 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9611 * flow.c (verify_flow_info): Check for unconditional return.
9613 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9615 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9616 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9617 (__ia64_restore_stack_nonlocal): New.
9618 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9620 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9622 * cpphash.c (collect_formal_parameters): Do not complain about
9623 parameter names that just start with `__VA_ARGS__'.
9625 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9627 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9628 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9629 * i386.c (pentiumpro_cost): Set mul cost to 4.
9630 (x86_use_movx): Set for PPro.
9632 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9634 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9635 STACK_BOUNDARY for empty frames now.
9637 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9639 * stor-layout.c (layout_union): Remove.
9640 (layout_union_field): New function, split out from layout_union.
9641 (finish_union_layout): Likewise.
9642 (layout_field): Handle unions by calling layout_union_field.
9643 (finish_record_layout): Handle unions.
9644 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9645 QUAL_UNION_TYPE handling.
9647 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9649 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9650 end of basic block is jump_insn, not barrier; use create_basic_block
9651 instead of creating basic block by hand.
9653 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9655 * flow.c (reorder_basic_blocks): Account for barriers when writing
9656 over NEXT_INSN (last_bb->end).
9657 (verify_flow_info): Add check for missing barriers.
9659 2000-03-14 Greg McGary <gkm@gnu.org>
9661 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9662 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9663 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9664 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9665 __unbounded, __unbounded__): New keywords.
9666 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9667 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9668 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9670 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9672 * cselib.h: New file.
9673 * alias.c: Include "cselib.h".
9674 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9675 MEMs as two new arguments.
9676 (get_addr): New static function.
9677 (find_base_term): Handle VALUEs.
9678 (memrefs_conflict_p): Likewise.
9679 (true_dependence): Call get_addr on the addresses.
9680 Call fixed_scalar_and_varying_struct_p with addresses that have been
9681 passed through get_addr and canon_rtx.
9682 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9683 with true_dependence.
9684 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9685 * loop.c: Include "cselib.h".
9686 (load_mems): Process extended basic block that enters the loop with
9687 cselib. Use that information to change initialization of the shadow
9688 register so that a constant equivalence is seen by later passes.
9689 * reload1.c: Include "cselib.h".
9690 (reload_cse_invalidate_regno): Delete function.
9691 (reload_cse_mem_conflict_p): Likewise.
9692 (reload_cse_invalidate_mem): Likewise.
9693 (reload_cse_invalidate_rtx): Likewise.
9694 (reload_cse_regno_equal_p): Likewise.
9695 (reload_cse_check_clobber): Likewise.
9696 (reload_cse_record_set): Likewise.
9697 (reg_values): Delete static variable.
9698 (invalidate_regno_rtx): Likewise.
9699 (reload_cse_delete_noop_set): New static function.
9700 (reload_cse_simplify): New static function, broken out of
9702 (reload_cse_noop_set_p): Delete unused argument INSN.
9703 Just call rtx_equal_for_cselib_p on set source and destination.
9704 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9705 reload_cse_delete_noop_set. Delete code to keep track of values; use
9706 cselib functions instead. Delete code to push/pop obstacks.
9707 (reload_cse_simplify_set): Use cselib to find equivalent values.
9708 Delete code to push/pop obstacks.
9709 (reload_cse_simplify_operands): Likewise.
9710 * rtl.def (VALUE): New rtx code.
9711 * rtl.h (union rtunion_def): New elt rt_cselib.
9712 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9713 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9714 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9715 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9716 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9717 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9718 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9719 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9720 cselib_record_set, cselib_record_sets): New static functions.
9721 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9722 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9723 references_value_p): New functions.
9724 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9725 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9726 n_useless_values, reg_values, callmem, cselib_obstack,
9727 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9728 New static variables.
9729 * varray.h (union varray_data_tag): New elt te.
9730 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9731 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9734 2000-03-14 Nick Clifton <nickc@cygnus.com>
9736 * gcc.c (do_spec_1): Catch the case where %* is used in a
9737 substitution pattern, but it has not been initialised.
9738 Issue a meaningful error message if an unrecognised operator
9739 is encountered in a spec string.
9741 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9743 * function.c (prepare_function_start): Correctly initialize
9744 cfun->stack_alignment_needed.
9746 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9748 * cppfiles.c (find_include_file): Don't assume nshort is a
9751 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9753 * configure.in (hppa configurations): Add pa32-regs.h to the
9754 list of tm files as appropriate.
9755 * configure: Rebuilt.
9756 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9758 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9759 (fmpyaddoperands, fmpysuboperands): Likewise.
9760 * pa.h: Remove various definitions which depend on knowing
9761 how registers are numbered.
9762 * pa32-regs.h: New file with PA32 register numbering specific
9765 2000-03-14 Richard Henderson <rth@cygnus.com>
9767 * regmove.c (combine_stack_adjustments): New.
9768 (stack_memref_p, single_set_for_csa): New.
9769 (free_csa_memlist, record_one_stack_memref): New.
9770 (try_apply_stack_adjustment): New.
9771 (combine_stack_adjustments_for_block): New.
9772 * rtl.h (combine_stack_adjustments): Declare.
9773 * toplev.c (rest_of_compilation): Call it.
9775 * i386.md: Revert 2000-01-16 change.
9777 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9779 * gccbug.in: Add web category, gcc specific classes.
9781 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9783 * stor-layout.c (finalize_record_size): Fix typo.
9785 2000-03-14 Stan Shebs <shebs@apple.com>
9787 * c-typeck.c (c_alignof): Error on incomplete types.
9788 * extend.texi (Alignment): Document this.
9790 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9792 * cppfiles.c: Include mkdeps.h.
9793 (find_include_file, read_include_file): Remove _cpp_ prefix
9794 from name, make static.
9795 (_cpp_execute_include): New function, broken out of
9798 * cpplib.c: Don't include mkdeps.h.
9799 (struct directive): Remove type field. Reorder entries. The
9800 function takes only one argument.
9801 (struct if_stack): Make type field an int.
9802 (directive_table): Rename to dtable. Generate it, the
9803 prototypes of the directive handlers, and the enum for the
9804 directive numbers, from a template macro.
9805 (do_ifndef, do_include_next, do_import): New functions.
9806 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9807 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9808 do_ident, do_assert, do_unassert, do_sccs): Take only one
9810 (do_sccs): Define always, but alter behavior based on
9812 (_cpp_handle_directive, consider_directive_while_skipping):
9813 Restructure for new directive table layout.
9815 (pass_thru_directive): Take a directive number, not a pointer
9816 to a struct directive.
9817 (parse_include): New function, broken out of do_include.
9818 (do_include, do_import, do_include_next): Use parse_include
9819 and _cpp_execute_include.
9820 (do_elif, do_else): Test for T_ELSE specifically when checking
9821 for #elif/#else after #else.
9822 (parse_ifdef): New function, broken out of do_ifdef.
9823 (validate_else): Expect a name arg without a leading #.
9824 (if_directive_name): Delete.
9825 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9826 directive handlers with only one argument.
9828 * cpphash.h: Update prototypes.
9829 (enum node_type): Remove entries for directives.
9830 * Makefile.in: Update dependencies.
9832 * cpphash.c (dump_hash_helper): Only dump nodes of type
9833 T_MACRO. Emit a newline after each definition.
9835 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9837 * gccbug.in: New file.
9838 * configure.in (all_outputs): Add gccbug.
9839 * Makefile.in (install-common): Install gccbug.
9840 (GCCBUG_INSTALL_NAME): New variable.
9841 * configure: Rebuilt.
9843 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9845 * function.c (put_var_into_stack): Use type_for_mode to calculate
9846 part_type. Use MEM_SET_IN_STRUCT_P.
9847 * expr.c (store_field): Handle CONCAT.
9848 (store_constructor): Use fields_length.
9849 * tree.c (fields_length): New fn.
9850 * tree.h: Declare it.
9852 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9854 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9855 (cpplex.o): New target.
9856 * po/POTFILES.in: Add cpplex.c.
9858 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9859 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9860 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9861 skip_block_comment, skip_line_comment, skip_comment,
9862 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9863 _cpp_parse_name, skip_string, parse_string,
9864 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9865 _cpp_get_directive_token, find_position,
9866 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9867 (maybe_macroexpand, _cpp_lex_token): New functions.
9869 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9870 parse_goto_mark): Delete.
9871 (_cpp_handle_eof): New function.
9872 (_cpp_handle_directive): Rename from handle_directive.
9873 (_cpp_output_line_command): Rename from output_line_command.
9874 (do_if, do_elif): Call _cpp_parse_expr directly.
9875 * cppfiles.c (_cpp_read_include_file): Don't call
9876 init_input_buffer here.
9877 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9878 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9879 here; pop the token_buffer and skip the rest of the line here.
9880 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9883 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9885 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9886 CPP_GOTO_MARK): New macros.
9887 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9888 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9889 _cpp_read_and_prescan, _cpp_init_input_buffer,
9890 _cpp_grow_token_buffer, _cpp_get_directive_token,
9891 _cpp_handle_directive, _cpp_handle_eof,
9892 _cpp_output_line_command): Prototype them here.
9893 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9894 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9895 quote_string, output_line_command): Remove.
9897 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9899 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9900 whether it is too large we must also verify that it isn't negative.
9902 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9904 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9905 (movsi_zero_liveg0): Remove.
9906 (movsf_insn_novis_liveg0): Remove.
9908 (negsi2_not_liveg0): Rename to negsi2.
9909 (one_cmplsi2): Remove.
9910 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9911 (one_cmplsi2_liveg0): Remove.
9912 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9913 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9914 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9915 (PREDICATE_CODES): Remove zero_operand.
9916 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9917 TARGET_BROKEN_SAVERESTORE.
9918 (zero_operand): Remove.
9919 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9920 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9922 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9923 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9924 TARGET_BROKEN_SAVERESTORE): Remove.
9925 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9927 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9929 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9932 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9934 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9936 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9937 truncating a string. Don't assume tokens are nul terminated.
9938 Problem noted by Andreas Jaeger <aj@suse.de>
9940 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9942 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9943 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9944 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9946 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9948 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9949 STRUCTURE_SIZE_BOUNDARY.
9951 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9953 * tree.h (record_layout_info_s): New structure.
9954 (record_layout_info): New type.
9955 (new_record_layout_info): New function.
9956 (layout_field): Likewise.
9957 (finish_record_layout): Likewise.
9958 * stor-layout.c (layout_record): Remove.
9959 (new_record_layout_info): New function.
9960 (layout_field): New function, broken out from layout_record.
9961 (finalize_record_size): Likewise.
9962 (compute_record_mode): Likewise.
9963 (finalize_type_size): New function, broken out from layout_type.
9964 (finish_record_layout): Likewise.
9965 (layout_type): Use them.
9967 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9969 * cpphash.c: Don't include version.h.
9970 (special_symbol) [case T_VERSION]: Look for the string in
9971 hp->value.cpval; don't use version_string.
9972 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9973 __VERSION__ to version_string.
9974 * Makefile.in (cpphash.o): Update deps.
9976 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9978 Convert cpplib to use libiberty/hashtab.c.
9980 * cpplib.h (struct cpp_reader): Make hashtab and
9981 all_include_files of type 'struct htab *'. Delete HASHSIZE
9982 and ALL_INCLUDE_HASHSIZE macros.
9984 * cpphash.h: Update prototypes.
9985 (struct hashnode): Remove next, prev, and bucket_hdr members.
9986 Make length a size_t. Add hash member.
9987 (struct ihash): Remove next member. Add hash member. Make
9988 name a flexible array member.
9990 * cppfiles.c: Include hashtab.h.
9991 (include_hash): Delete.
9992 (IHASHSIZE): New macro.
9993 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9994 (cpp_included): Do the hash lookup here.
9995 (_cpp_find_include_file): Rewrite.
9996 (cpp_read_file): Put the "fake" hash entry into the hash
9997 table. Honor the control_macro, if it turns out we've seen
9998 the file before. Don't push the buffer here.
9999 (_cpp_read_include_file): Push the buffer here.
10000 (OMODES): New macro. Use it whenever we call open(2).
10002 * cpphash.c: Include hashtab.h.
10003 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
10004 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
10005 _cpp_lookup_slot): New functions.
10006 (HASHSIZE): new macro.
10007 (hashf, _cpp_install, _cpp_delete_macro): Delete.
10008 (_cpp_lookup): Use hashtab.h routines.
10010 * cppinit.c: Include hashtab.h.
10011 (cpp_reader_init): Call _cpp_init_macro_hash and
10012 _cpp_init_include_hash. Don't allocate hashtab directly.
10013 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
10014 pfile->all_include_files.
10015 (initialize_builtins): Use _cpp_make_hashnode and
10016 htab_find_slot to add hash entries.
10017 (cpp_finish): Just call _cpp_dump_macro_hash.
10018 * cpplib.c: Include hashtab.h.
10019 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
10020 create hash entries.
10021 (do_pragma_poison, do_assert): Likewise.
10022 (do_include): Don't push the buffer here. Don't increment
10023 system_include_depth unless _cpp_read_include_file succeeds.
10024 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
10025 or htab_remove_elt.
10026 (do_pragma_implementation): Use alloca to create copy.
10028 * Makefile.in: Update dependencies.
10030 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10032 * cppinit.c (cl_directive_handler): More K&R fixing.
10034 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
10036 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
10038 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
10040 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10042 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
10043 Change from char[] to macros.
10045 2000-03-12 Neil Booth <NeilB@earthling.net>
10047 * cppinit.c (cpp_start_read): Update indirect function
10050 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
10052 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
10055 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10056 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
10058 2000-03-11 Neil Booth <NeilB@earthling.net>
10060 * cppinit.c (struct pending option): Replace undef with a
10061 pointer to a directive handling routine.
10062 (struct cpp_pending): Replace separate assert_ and define_
10063 lists with one directive_ list.
10064 (new_pending_define): Rename new_pending_directive. Extra
10065 argument is the directive's handling routine.
10066 (handle_option): Update to use new_pending_directive.
10068 2000-03-11 Neil Booth <NeilB@earthling.net>
10070 * cppfiles.c (file_cleanup, _cpp_find_include_file,
10071 remap_filename, _cpp_read_include_file, actual_directory,
10072 hack_vms_include_specification): Replace bcopy(), index() etc
10073 calls. Add casts to some allocations. Make some variables
10074 pointers to const [unsigned] char.
10075 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
10076 collect_formal_parameters): Similarly.
10077 * cppinit.c (struct pending_option, append_include_chain,
10078 cpp_options_init, cpp_reader_init, initialize_standard_includes,
10079 cpp_start_read, new_pending_define, handle_option): Similarly.
10080 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
10081 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
10082 do_pragma_implementation, detect_if_not_defined,
10083 do_ifdef, skip_if_group, cpp_get_token, parse_string,
10084 do_assert, do_unassert): Similarly.
10085 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
10086 function prototypes.
10087 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
10089 2000-03-10 Richard Henderson <rth@cygnus.com>
10091 * builtins.c (expand_builtin_strlen): Revert last change.
10092 Use emit_insn_before if we're at the beginning of a sequence.
10094 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
10096 * builtins.c (expand_builtin_strlen): Make sure that we have something
10097 at the beginning of the sequence.
10099 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
10102 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
10104 2000-03-10 Richard Henderson <rth@cygnus.com>
10106 * except.c (can_throw): Use INTVAL on a CONST_INT.
10107 (reachable_handlers): Likewise.
10108 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
10110 2000-03-10 Andreas Jaeger <aj@suse.de>
10112 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
10113 MD_STARTFILE_PREFIX since those are not needed on linux.
10114 (ASM_FILE_START): New, from mips/gnu.h.
10116 2000-03-09 Richard Henderson <rth@cygnus.com>
10117 Alex Samuel <samuel@codesourcery.com> and others
10119 * Makefile.in (ssa.o): New rule.
10121 (STAGESTUFF): Add *.ssa and *.ussa.
10122 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
10123 * rtl.def (PHI): New RTL expression.
10124 * rtl.h (clear_log_links): New declaration.
10125 (convert_to_ssa): Likewise.
10126 (convert_from_ssa): Likewise.
10127 * flow.c (split_edge): If the entry node falls through to the
10128 split edge's source block, split the entry edge.
10129 (clear_log_links): New function.
10130 * toplev.c (ssa_dump): New variable.
10131 (flag_ssa): Likewise.
10132 (f_options): Add "ssa".
10133 (compile_file): Create SSA dump files.
10134 (rest_of_compilation): Go to and from SSA if enabled.
10135 (decide_d_option): Handle -de for SSA dump files.
10138 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
10140 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
10143 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
10145 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
10147 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
10149 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
10150 (MD_STARTFILE_PREFIX_1): New macro.
10152 2000-03-09 Robert Lipe <robertl@sco.com>
10154 * config/ia64/ia64.c: Include system.h.
10156 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10158 * except.c (nothrow_function_p): If -fno-exceptions, just return.
10159 (init_eh_nesting_info): Likewise.
10161 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
10162 (TREE_NOTHROW): Rename from TREE_RAISES.
10163 * toplev.c (rest_of_compilation): Set it.
10164 * print-tree.c (print_node): Adjust.
10165 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
10166 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
10167 * calls.c (emit_call_1): Add 'nothrow' parm. Add
10168 REG_EH_REGION note as appropriate.
10169 (libfunc_nothrow): New fn.
10170 (emit_library_call, emit_library_call_value): Use it.
10171 (expand_call): Check TREE_NOTHROW.
10173 * varasm.c (make_decl_rtl): Skip initial '*' when setting
10174 DECL_ASSEMBLER_NAME.
10176 2000-03-09 Andreas Jaeger <aj@suse.de>
10178 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
10179 (TARGET_MEM_FUNCTIONS): Define.
10181 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10183 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
10185 * except.c (can_throw): See through a SEQUENCE.
10186 (nothrow_function_p): New fn.
10187 * except.h: Declare it.
10188 * function.c (current_function_nothrow): New var.
10189 (prepare_function_start): Initialize it.
10190 * output.h: Declare it.
10191 * toplev.c (rest_of_compilation): Set it.
10192 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
10194 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
10196 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
10197 match. (cpp_compare_defs): Count the nul separator when
10198 advancing over argument names.
10200 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
10202 * recog.c (preprocess_constraints): Matching constraints affect
10203 same alternative/different operand, not same operand/different
10206 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
10207 register and a constant specially.
10209 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10211 * libgcc2.h: New file.
10212 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
10214 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
10216 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
10217 * configure: Regenerate.
10218 * config/ia64: New.
10220 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10222 * Makefile.in (LIBCPP_DEPS): New macro.
10223 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
10224 it to declare deps.
10225 * cpperror.c: Include cpphash.h.
10226 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
10228 (lex): Don't use CPP_WARN_UNDEF.
10229 (_cpp_parse_expr): Return an int, the truth value.
10230 * cppfiles.c: Include cpphash.h.
10231 (_cpp_merge_include_chains): Move to cppinit.c and make static.
10232 * cppinit.c (include_defaults_array): Disentangle.
10233 (cpp_cleanup): Don't free the if stack here.
10234 (cpp_finish): Pop off all buffers, not just one.
10235 * cpplib.c (eval_if_expr): Return int.
10236 (do_xifdef): Rename do_ifdef.
10237 (handle_directive): Don't use CPP_PREPROCESSED.
10238 (cpp_get_token): Don't use CPP_C89.
10239 * fix-header.c: Don't use CPP_OPTIONS.
10241 * cpplib.h: Move U_CHAR, enum node_type, struct
10242 file_name_list, struct ihash, is_idchar, is_idstart,
10243 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
10244 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
10245 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
10246 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
10247 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
10248 of _cpp_simplify_pathname, _cpp_find_include_file,
10249 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
10250 Move struct if_stack to cpplib.c. Move struct cpp_pending to
10252 Change all uses of U_CHAR to be unsigned char instead.
10253 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
10255 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10257 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
10258 (dwarf2out_begin_prologue): Set it.
10259 (output_call_frame_info): Don't emit EH unwind info for leaves.
10261 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
10262 can occur outside of an EH region.
10263 * except.c: Correct comments about rethrow behavior.
10264 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10266 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10268 * flow.c (make_edges): Always call make_eh_edge for calls.
10270 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10272 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10273 (struct cpp_buffer): Remove fname and underflow fields.
10274 (struct cpp_reader): Remove get_token field.
10275 (struct include_hash): Rename to struct ihash. Add typedef to
10277 (struct if_stack): Remove fname field.
10278 (IF_STACK_FRAME): Rename to IF_STACK.
10280 * cpperror.c (print_containing_files): Trust that there are no
10281 macro buffers below the top file buffer.
10282 * cppfiles.c: Replace all references to 'struct include_hash'
10283 with 'IHASH'. Rename initialize_input_buffer to
10284 init_input_buffer. Don't set or reference cpp_buffer->fname,
10285 use buffer->ihash->name instead.
10286 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10287 not CPP_NULL_BUFFER.
10288 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10289 IF_STACK_FRAME, IHASH not struct include_hash.
10290 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10291 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10292 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10293 references to cpp_buffer->fname (delete entirely, or use
10294 ->ihash->name instead) and IF_STACK->fname.
10295 (cpp_push_buffer): Don't set new->underflow.
10296 (do_include): Use cpp_file_buffer.
10298 * cpphash.c (collect_formal_parameters): Remove duplicate
10299 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10300 used as a macro argument name. Don't append "..." to namebuf
10301 for varargs macros. After we're done scanning, go through
10302 namebuf and make it NUL separated, not comma separated.
10303 (_cpp_compare_defs): Remove register tag from variables.
10304 Expect defn->argnames to be NUL separated.
10305 (_cpp_dump_definition): Expect defn->argnames to be NUL
10306 separated and in forward order.
10307 * cpphash.h: Update documentation of argnames field.
10309 2000-03-08 Richard Henderson <rth@cygnus.com>
10311 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10312 to fail. Don't pre-expand the source operand.
10314 * i386.md (strlensi): Initialize eoschar and align before use.
10316 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10318 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10319 CONSTRUCTOR element.
10321 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10323 * mips.c (mips_expand_prologue): If the last
10324 named argument is the vararg marker "va_list", treat it as
10325 an unnamed argument.
10327 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10329 * dbxout.c (dbxout_parms): When correcting for promoted
10330 big-endian parameters, use the mode of the DECL_RTL rather
10331 than UNITS_PER_WORD.
10333 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10335 * c-common.h (make_fname_decl): Declare.
10336 * c-common.c (make_fname_decl): Define.
10337 (declare_hidden_char_array): Remove.
10338 (declare_function_name): Use make_fname_decl.
10339 * c-decl.c (c_make_fname_decl): New function.
10340 (init_decl_processing): Set make_fname_decl.
10342 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10344 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10346 2000-03-07 Philipp Thomas <pthomas@suse.de>
10348 * po/POTFILES.in: Remove cppalloc.c from file list.
10350 2000-03-07 Steve Chamberlain <sac@pobox.com>
10352 * pj.c (pj_expand_prologue): current_function->args_info is
10353 now current_function_args_info.
10355 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10356 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10357 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10359 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10361 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10362 output as hexadecimal rather than the default octal.
10364 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10366 * cpphash.c (special_symbol): Fix thinko in previous commit.
10368 2000-03-07 Neil Booth <NeilB@earthling.net>
10370 * cppexp.c (struct operation, left_shift, right_shift,
10371 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10372 "int"s to "unsigned int"s.
10373 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10375 * cpplib.h: Update for above.
10376 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10377 returned from allocations.
10379 * cppinit.c (opt_comp, parse_options): New functions.
10380 (handle_option): Use parse_option to parse a single command
10381 line option, that possibly takes an argument.
10382 (cpp_handle_options): Sort the array of command line options on
10383 first invocation (non-ASCII hosts only).
10384 (print_help): Update.
10386 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10388 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10389 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10391 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10393 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10395 * cpperror.c (cpp_print_containing_files,
10396 cpp_print_file_and_line, v_cpp_message): Rename to
10397 print_containing_files, print_file_and_line, and v_message.
10398 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10399 to _cpp_parse_expr, parse_escape, and lex.
10400 (parse_charconst): Remove broken multibyte support.
10401 * cppfiles.c (include_hash): Make static.
10402 (cpp_included): New function.
10403 (merge_include_chains, find_include_file, finclude,
10404 simplify_pathname): Rename to _cpp_merge_include_chains,
10405 _cpp_find_include_file, _cpp_read_include_file, and
10406 _cpp_simplify_pathname.
10407 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10408 cpp_install, create_definition, macroexpand, compare_defs,
10409 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10410 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10411 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10412 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10414 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10416 * cpphash.h: Update prototypes.
10417 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10419 2000-03-07 Andrew Haley <aph@cygnus.com>
10421 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10422 PTRDIFF_TYPE should be based solely on Pmode.
10423 (SIZE_TYPE): ditto.
10425 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10427 * rtl.h (rtunion_def): Constify member `rtstr'.
10428 (emit_line_note_after, emit_line_note, emit_line_note_force,
10429 emit_note, decode_asm_operands): Constify.
10431 * cse.c (canon_hash): Likewise.
10433 * dbxout.c (dbxout_block): Likewise.
10435 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10436 v_warning_for_asm): Likewise.
10438 * dwarfout.c (function_start_label): Likewise.
10440 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10441 emit_line_note_force): Likewise.
10443 * final.c (last_filename, asm_insn_count, final_scan_insn,
10444 output_source_line): Likewise.
10446 * function.h (struct emit_status): Likewise.
10448 * gcse.c (hash_expr_1): Likewise.
10450 * genattr.c (gen_attr, main): Likewise.
10452 * genattrtab.c (struct function_unit, current_alternative_string,
10453 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10454 attr_numeral, check_attr_test, check_attr_value,
10455 convert_set_attr_alternative, convert_set_attr,
10456 compute_alternative_mask, simplify_by_exploding, gen_attr,
10457 gen_unit): Likewise.
10459 * genflags.c (gen_insn): Likewise.
10461 * gengenrtl.c (type_from_format): Likewise.
10463 * genopinit.c (gen_insn): Likewise.
10465 * genoutput.c (n_occurrences, process_template, process_template):
10468 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10471 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10474 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10475 ggc_set_mark, ggc_get_size): Likewise.
10477 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10479 * optabs.c (init_one_libfunc): Likewise.
10481 * output.h (assemble_start_function): Likewise.
10483 * recog.c (decode_asm_operands): Likewise.
10485 * toplev.c (rest_of_compilation): Likewise.
10487 * tree.h (emit_line_note_after, emit_line_note,
10488 emit_line_note_force): Likewise.
10490 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10491 asm_emit_uninitialised, assemble_start_function,
10492 assemble_variable, const_hash, compare_constant_1,
10493 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10495 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10497 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10499 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10501 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10503 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10504 arm_dllimport_name_p): Likewise.
10506 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10509 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10511 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10513 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10514 arm_mark_dllexport, arm_mark_dllimport,
10515 arm_pe_encode_section_info): Likewise.
10517 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10518 ASM_FINISH_DECLARE_OBJECT): Likewise.
10520 * arm/thumb.c (thumb_function_prologue): Likewise.
10522 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10524 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10526 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10528 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10530 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10532 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10534 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10535 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10537 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10539 * i386/i386.c (asm_output_function_prefix): Likewise.
10541 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10543 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10545 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10547 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10548 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10549 ASM_OUTPUT_SECTION_NAME): Likewise.
10551 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10553 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10555 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10557 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10559 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10561 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10563 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10565 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10567 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10569 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10571 * mips/mips.md (movdi, movsi): Likewise.
10573 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10575 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10577 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10579 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10580 ASM_OUTPUT_ASCII): Likewise.
10582 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10583 output_mi_thunk, output_toc): Likewise.
10585 * rs6000/rs6000.md (movsi): Likewise.
10587 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10589 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10591 * v850/v850.c (print_operand, print_operand_address,
10592 v850_encode_data_area): Likewise.
10594 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10596 * config/mips/mips.md (zero_extendsidi2): Always force operand
10597 one to memory for mips16.
10599 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10601 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10602 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10603 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10604 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10605 (min_precision): Result is unsigned.
10606 (add_double, neg_double, mul_double): Low word is unsigned.
10607 (lshift_double, rshift_double, lrotate_double): Likewise.
10608 (rrotate_double, div_and_round_double): Likewise.
10609 (tree_floor_log2, compare_tree_int): New functions.
10610 (preserve_rtl_expr_temps): New declaration.
10611 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10612 (decl_attributes): Use tree_log2 to find alignment.
10613 Check for TREE_INT_CST_HIGH for format args.
10614 (min_precision): Now unsigned.
10615 Use tree_floor_log2.
10616 (truthvalue_conversion): Delete long-disabled code.
10617 * c-decl.c (finish_struct): Clean up tests on field width.
10618 (finish_function): Use compare_tree_int.
10619 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10620 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10621 (default_conversion, digest_init): Use compare_tree_int.
10622 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10623 Fix type errors in forming masks.
10624 * calls.c (initialize_argument_information): Use compare_tree_int.
10625 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10626 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10627 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10628 (store_field): Use compare_tree_int.
10629 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10630 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10631 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10632 (do_store_flag): Use compare_tree_int.
10633 * fold-const.c (encode, decode): Low part is always unsigned.
10634 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10635 (lshift_double, rshift_double, lrotate_double): Likewise.
10636 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10637 (fold_convert): Use compare_tree_int.
10638 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10639 (invert_truthvalue, case INTEGER_CST): Likewise.
10640 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10641 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10642 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10643 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10645 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10646 (expand_end_case): Use compare_tree_int.
10647 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10648 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10649 (layout_decl): Likewise.
10650 (layout_record, layout_union): Make sizes unsigned.
10651 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10652 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10653 * tree.c (struct type_hash): hashcode is unsigned.
10654 (build_type_attribute_variant, type_hash_list): Likewise.
10655 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10656 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10657 (build_complex_type): Likewise.
10658 (real_value_from_int_cst): Remove unneeded casts.
10659 (integer_all_onesp): Add casts.
10660 (tree_floor_log2, compare_tree_int): New functions.
10661 (build_index_type): Use tree_int_cst_sgn.
10662 * varasm.c (assemble_variable): Use compare_tree_int.
10664 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10666 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10668 * varasm.c (make_decl_rtl): Don't add a number to members of
10670 (make_function_rtl): Likewise.
10672 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10674 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10675 patch from 2000-01-28.
10677 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10679 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10680 filled with an insn from the jump target.
10682 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10684 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10685 (c4x_external_ref): Likewise.
10686 * config/c4x/c4x.c (struct name_list): Likewise.
10688 1999-12-16 Ben Collins <bcollins@debian.org>
10690 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10691 argument to genmultilib.
10692 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10693 the contents into the multilib.h header.
10694 * gcc.c: Declare multilib_exclusions for the specs file.
10695 (set_multilib_dir): Use it.
10696 (print_multilib_info): Likewise.
10697 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10698 to pass to genmultilib.
10700 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10702 * builtins.c (built_in_class_names, built_in_names): Constify a
10705 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10707 (_mcleanup): Ensure value matches format specifier in sprintf.
10709 * cpphash.c (special_symbol): Don't needlessly cast away
10712 * cppinit.c (base_name): Delete unused prototype.
10714 * mkdeps.c (deps_init): Make definition K&R safe.
10716 * tree.h (built_in_class_names, built_in_names): Constify a
10719 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10721 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10722 floating point instructions for epilogue delay.
10724 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10725 to gas if it supports .register pseudo.
10727 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10728 LONG_DOUBLE_TYPE_SIZE if not defined.
10729 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10730 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10731 * real.c: Likewise.
10732 * gengenrtl.c: Likewise.
10733 * print-rtl.c: Likewise.
10735 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10736 MASK_LONG_DOUBLE_128.
10737 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10738 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10739 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10740 (SUBTARGET_SWITCHES): Define.
10741 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10742 with -mlong-double-128.
10743 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10744 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10745 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10746 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10747 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10748 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10749 with -mlong-double-128.
10750 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10751 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10752 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10753 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10754 TARGET_LONG_DOUBLE_128): Define.
10755 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10756 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10757 long double on TARGET_ARCH64.
10759 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10761 * function.c (free_temps_for_rtl_expr): Don't free slots
10762 that have been pushed into a higher level.
10765 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10767 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10769 * basic-block.h (ALLOCA_REG_SET): Remove.
10770 (INITIALIZE_REG_SET): New macro.
10771 * flow.c (update_life_info): Use it.
10772 (calculate_global_regs_live): Likewise.
10773 (propagate_block): Likewise.
10774 * global.c (build_insn_chain): Likewise.
10775 * haifa-sched.c (schedule_region): Likewise.
10777 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10779 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10780 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10781 (DWARF_ARANGES_PAD_SIZE): New define.
10782 (output_aranges): Use it to pad the address range header.
10783 (DWARF_ROUND): Fix for non power of 2 rounding.
10785 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10787 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10789 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10791 * tree.def (RTL_EXPR): Update documentation.
10792 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10793 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10794 * function.c (preserve_rtl_expr_temp): New function.
10795 (preserve_rtl_expr_temps): Likewise.
10796 (preserve_rtl_expr_result): Use it.
10799 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10801 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10803 * regmove.c (copy_src_to_dest) Do not create src->dest move
10804 for unchanging destination.
10806 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10808 * function.h (struct sequence_stack): Remove rtl_expr.
10809 (struct emit_staus): Likewise.
10810 (seq_rtl_expr): Remove.
10811 * tree.h (free_temps_for_rtl_expr): Don't declare.
10812 (start_sequence_for_rtl_expr): Likewise.
10813 * rtl.h (preserve_rtl_expr_result): Likewise.
10814 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10815 (start_sequence_for_rtl_expr): Remove.
10816 (push_topmost_sequence): Don't save sequence_rtl_expr.
10817 (pop_topmost_sequence): Remove comment about not restoring it.
10818 (end_sequence): Don't set seq_rtl_expr.
10819 (init_emit): Don't initialize it.
10820 (mark_sequence_stack): Don't mark it.
10821 (mark_emit_status): Likewise.
10822 * except.c (protect_with_terminate): Use
10823 start_sequence_for_rtl_expr, not start_sequence.
10824 * expr.c (expand_expr, case RTL_EXPR): Don't call
10825 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10826 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10827 (preserve_rtl_expr_result): Remove.
10828 (free_temps_for_rtl_expr): Likewise.
10829 (pop_temp_slots): Likewise.
10830 (mark_temp_slot): Don't mark the rtl_expr.
10831 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10832 start_sequence_for_rtl_expr.
10834 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10836 * mkdeps.c, mkdeps.h: New files.
10837 * po/POTFILES.in: Add them.
10838 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10839 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10840 (mkdeps.o): New target.
10842 * cppfiles.c: Delete deps_output.
10843 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10844 OBJECT_SUFFIX, and base_name.
10845 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10847 (initialize_dependency_output): Use deps_init,
10848 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10849 all the unnecessary string bashing.
10850 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10852 * cpplib.c (do_include): Use deps_add_dep.
10853 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10854 deps_allocated_size, deps_size, deps_column members with
10855 single pointer to a struct deps. Delete prototype of
10858 * cppinit.c: Fix thinko in previous patch.
10860 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10862 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10863 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10864 (mode_for_size_tree): New function.
10865 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10866 * tree.h (mode_for_size_tree): New declaration.
10868 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10870 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10872 * stmt.c (is_body_block): Move...
10873 * dwarfout.c, dwarf2out.c: ...from here.
10874 * tree.h: Declare it.
10875 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10876 * final.c (final_start_function): Do call remove_unnecessary_notes
10879 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10881 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10883 * cpplib.h (_dollar_ok): New macro.
10884 (is_idchar, is_idstart): Use it.
10885 (IStable): Rename to _cpp_IStable. Declare it const if
10886 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10887 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10888 is_space): Update for renamed IStable.
10890 * cppinit.c: Delete all references to FAKE_CONST and CAT
10891 macros. Define init_IStable as empty macro if gcc >=2.7 or
10892 C99. Change TABLE() to ISTABLE and hardcode name of table.
10893 (cpp_start_read): Don't change the IStable based on
10896 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10897 changed. Handle '$' for char1 correctly.
10898 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10900 * cppexp.c (tokentab2): Make const.
10901 (cpp_lex): Make toktab const.
10902 * cppinit.c (include_defaults_array): Make const.
10903 (initialize_standard_includes): Make default_include const.
10905 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10907 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10908 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10909 (gen_decl_die): Likewise.
10910 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10911 (output_decl): Likewise.
10913 * varasm.c (make_function_rtl): If we change the name used in the
10914 rtl, update DECL_ASSEMBLER_NAME accordingly.
10915 (make_decl_rtl): Likewise.
10917 * toplev.c (rest_of_compilation): Tweak formatting.
10919 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10920 remove_unnecessary_notes.
10921 (debug_ignore_block): New fn.
10922 * toplev.h: Declare it.
10923 * emit-rtl.c (remove_unncessary_notes): Call it.
10924 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10925 * dwarf2out.h: Declare it.
10926 * final.c (final_start_function): Don't call remove_unnecessary_notes
10927 if we did insn scheduling.
10929 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10931 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10932 * cpplib.h: Delete SET_CPP_PEDANTIC.
10934 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10936 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10937 result is a RECORD_TYPE.
10939 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10941 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10943 2000-03-03 Richard Henderson <rth@cygnus.com>
10945 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10946 addition over compliments over shifts.
10948 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10950 * reload1.c (reload_combine_note_use): Handle return register USEs.
10951 REG case: Handle multi-hard-register hard regs.
10953 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10955 * md.texi: Document use of '*' in insn pattern name.
10957 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10959 * calls.c (special_function_p): operator new may not be malloc-like.
10961 * gcse.c (dump_hash_table): Really fix error in last change.
10963 2000-03-02 Denis Chertykov <denisc@overta.ru>
10965 * avr.c (print_operand): Use print_operand_address instead of
10967 * avr/libgcc.S: Cleanup code.
10969 2000-03-02 Richard Henderson <rth@cygnus.com>
10971 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10973 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10975 * tree.h (TYPE_ALIGN_UNIT): New macro.
10977 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10979 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10981 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10983 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10985 (SET_CPP_PEDANTIC): New macro.
10986 * cpplib.c (do_include): Don't bother checking system_header_p.
10987 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10988 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10990 * function.h (struct expr_status): Add x_arg_space_so_far.
10991 (arg_space_so_far): New macro.
10992 * expr.c (init_expr): Initialize it.
10993 * calls.c (emit_call_1): Reset it.
10994 (compute_argument_block_size, expand_call): Use it.
10995 (expand_call, store_one_arg): Increment it.
10997 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10999 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
11002 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
11004 * cppfiles.c (cpp_read_file): New function.
11006 * cpphash.c (collect_expansion): Make sure to reset last_token
11007 to NORM when we hit a string. Handle trailing whitespace
11008 properly when the expansion is empty.
11009 (create_definition): Disable line commands while parsing the
11011 (dump_definition): If pfile->lineno == 0, output a line
11012 command ahead of the dump, and add a trailing newline.
11014 * cppinit.c (append_include_chain): Add fifth argument, which
11015 indicates whether or not system headers are C++ aware.
11016 (initialize_standard_includes): New function,
11017 broken out of read_and_prescan. Pass 'cxx_aware' value from
11018 the include_defaults_array on to append_include_chain.
11019 (dump_special_to_buffer): Const-ify char array.
11020 (builtin_array): Don't dump __BASE_FILE__.
11021 (cpp_start_read): Use cpp_read_file. Reorder code for
11022 clarity. Don't output line commands here for -D/-A/-U
11023 switches. Don't call deps_output for files included with
11024 -include or -imacros.
11026 * cpplib.c (do_define): Don't pay any attention to the second
11028 (cpp_expand_to_buffer): Disable line commands while scanning.
11029 (output_line_command): Work in the file buffer.
11030 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
11031 Fix formatting of comments. Prototype cpp_read_file.
11033 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11035 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
11036 reference the language-equivalent of sizetype.
11037 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
11038 * fold-const.c (size_binop, size_diffop): Put back checks.
11039 * gcse.c (dump_hash_table): Fix minor error in last change.
11040 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
11041 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
11044 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
11046 * calls.c (expand_call) Do not attempt to combine stack adjustments
11047 with inhibit_defer_pop set.
11049 2000-03-01 Mark Mitchell <mark@codesourcery.com>
11051 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
11052 the DECL_SIZE for a FIELD_DECL.
11054 2000-03-01 Bruce Korb <bkorb@gnu.org>
11056 * fixinc/inclhack.tpl: remove unused symlinks
11057 * fixinc/README: GCC Maintainer info
11058 * fixinc/inclhack.sh: regen
11059 * fixinc/fixincl.sh: regen
11061 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
11063 * cpphash.c (collect_expansion): Trim trailing white space
11064 from macro definitions, but don't go past the last insertion
11067 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
11069 * i386.md (mulqi3): New pattern.
11071 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
11073 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
11075 (struct cpp_reader): Add parsing_if_directive and
11076 parsing_define_directive flags.
11077 (struct cpp_options): Remove output_conditionals flag.
11078 (check_macro_name): Delete prototype.
11080 * cpphash.h (struct macrodef): Delete.
11081 (struct reflist): Separate from struct definition.
11082 (struct definition): Remove unused fields. Add column number.
11083 (create_definition): Returns a DEFINITION *. Takes a
11084 cpp_reader * and an int.
11086 * cpphash.c (SKIP_WHITE_SPACE): Delete.
11087 (PEEKC): Copy defn from cpplib.c.
11088 (rest_extension, REST_EXTENSION_LENGTH): Delete.
11090 (struct arglist): Simplify.
11091 (collect_expansion): Rewrite. Get tokens by calling
11092 cpp_get_token. Add more error checking.
11093 (collect_formal_parameters): New function, broken out of
11094 create_definition and reworked to use get_directive_token.
11095 (create_definition): All real work is now in collect_expansion
11096 and collect_formal_parameters. do_define handles finding the
11097 macro name. Return a DEFINITION, not a MACRODEF.
11098 (macroexpand): Replace bcopy with memcpy throughout. Replace
11099 character-at-a-time copy loop with memcpy and pointer increments.
11100 (compare-defs): d1->argnames / d2->argnames might be null.
11102 * cpplib.c (copy_rest_of_line): Delete function.
11103 (skip_rest_of_line): Do all the work ourselves.
11104 (skip_string): New function.
11105 (parse_string): Use skip_string.
11106 (get_macro_name): New function.
11107 (check_macro_name): Delete.
11108 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
11109 (cpp_skip_hspace): Use CPP_BUMP_LINE.
11110 (handle_directive): ICE if we're called on a macro buffer.
11111 (do_define): Determine macro name and type (funlike/objlike)
11112 here. Expunge all uses of MACRODEF.
11113 (cpp_push_buffer): Set line_base to NULL.
11114 (do_undef, read_line_number): Don't worry about getting a POP token.
11115 (eval_if_expression): Set/reset parsing_if_directive around
11116 cpp_parse_expr. Don't clear only_seen_white.
11117 (skip_if_group): Remove output_conditionals logic. Use
11119 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
11120 tokens under appropriate conditions.
11121 (cpp_unassert): Call do_unassert not do_assert. Oops.
11123 * cppexp.c (parse_defined): New function, break out of
11125 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
11126 ourselves, with cpp_defined.
11127 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
11129 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
11130 * gcc.dg/strpaste-2.c: New.
11132 2000-02-29 Mark Mitchell <mark@codesourcery.com>
11134 * fold-const.c (size_binop): Don't asert inputs are the same and
11135 have TYPE_IS_SIZETYPE set.
11136 (size_diffop): Likewise.
11138 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
11140 * dwarfout.c (output_block): Output abstract blocks even if they
11141 don't have TREE_ASM_WRITTEN set.
11143 * calls.c (emit_library_call): Check for null REG.
11145 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
11147 * c-decl.c (current_function_decl): Move to toplev.c.
11148 (init_decl_processing): Don't add current_function_decl as a ggc
11150 * dbxout.c (dbxout_symbol): Change return type to int.
11151 (dbxout_symbol_location, dbxout_syms): Likewise.
11152 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
11153 any locals. Use current_function_func_begin_label if set.
11154 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
11155 * dwarf2out.c (dwarf2out_begin_prologue): Set
11156 current_function_func_begin_label.
11157 * final.c (final_start_function): Reset it.
11158 * toplev.c (current_function_decl): Define it here.
11159 (current_function_func_begin_label): New variable.
11160 (main): Add both as ggc roots.
11161 * tree.h (current_function_func_begin_label): Declare.
11163 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11165 * gcse.c: Cleanups throughout: mostly white-space, but also
11166 some minor rearrangement of code.
11168 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
11170 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
11171 returns a PARALLEL. Use emit_group_load and use_group_regs
11173 (emit_library_call_value): Similarly.
11175 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
11176 * pa/quadlib.asm: Remove.
11177 * pa/quadlib.c: New file.
11179 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
11180 * configure: Rebuilt.
11182 2000-02-29 Philip Blundell <pb@futuretv.com>
11184 * config/arm/conix-elf.h: New file.
11185 * configure.in (arm*-*-conix*): New configuration.
11186 * configure: Regenerate.
11188 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
11190 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
11191 don't have TREE_ASM_WRITTEN set.
11193 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11195 * Eliminate DECL_FIELD_SIZE.
11196 * builtins.c (built_in_class_names, built_in_names): New variables.
11197 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
11198 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
11199 DECL_SIZE, not DECL_FIELD_SIZE.
11200 * print-tree.c (print_node): Remove code that prints extra blank
11201 lines in some cases.
11202 Properly handle inline and builtin function cases.
11203 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
11204 * tree.h (built_in_class_named, built_in_names): New declarations.
11205 (union tree_decl): Rename internal unions to u1 and u2 and change
11206 some of their components.
11207 Add new field built_in_class.
11208 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
11209 Reflect above changes.
11210 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
11211 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
11212 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
11213 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
11215 2000-02-28 Dmitri Makarov <dim@windriver.com>
11217 * extend.texi: Document ARM's support for long/short calls.
11219 * invoke.texi: Document ARM's -mlong-calls command line switch.
11221 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
11222 (arm_encode_call_attribute): Add prototype.
11223 (arm_set_default_type_attribute): Add prototype.
11224 (arm_strip_name_encoding): Add prototype.
11226 * config/arm/arm.c (arm_init_cumulative_args): replace
11227 initialisation og 'long_calls' field with initialisation of
11228 'call_cookie' field.
11229 (enum arm_pragma_enum): New enum.
11230 (arm_pragma_long_calls): New static variable.
11231 (arm_process_pragma): Also process "#pragma long_calls_off".
11232 (arm_valid_type_attribute_p): Accept short_call attribute.
11233 (arm_comp_type_attributes): Check long/short call attributes.
11234 (arm_encode_call_attribute): New function: Encode long_call
11235 or short_call attribute in function name.
11236 (arm_set_default_type_attributes): New function: Assign
11237 default attributes to newly defined type.
11238 (current_file_function_operand): New function: Return true if
11239 the symbol is a function which has already been compiled.
11240 (arm_is_longcall_p): New function: Return true if the
11241 indicated function should be called via a long call.
11242 (arm_get_strip_length): New function. Returns number of
11243 prefix characters to be stripped from a function's name.
11244 (arm_strip_name_encoding): New function. Strip prefix characters
11245 from a function's name.
11247 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
11248 with 'call_cookie'.
11249 (SHORT_CALL_FAG_CHAR): Define.
11250 (LONG_CALL_FAG_CHAR): Define.
11251 (ENCODED_SHORT_CALL_ATTR_P): Define.
11252 (ENCODED_LONG_CALL_ATTR_P): Define.
11253 (ARM_NAME_ENCODING_LENGTHS): Define.
11254 (STRIP_NAME_ENCODING): Define.
11255 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
11256 (ARM_ENCODE_CALL_TYPE): Define.
11257 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
11258 (ARM_DECLARE_FUNCTION_SIZE): Define.
11259 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
11261 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
11262 if a long call is needed.
11263 (call_value): Ditto.
11264 (call_symbol): Ditto.
11266 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11267 ARM_DECLARE_FUNCTION_SIZE.
11269 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11270 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11271 (ARM_STRIP_NAME_ENCODING): Undefine.
11272 (STRIP_NAME_ENCODING): Undefine.
11273 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11274 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11275 (ASM_OUTPUT_COMMON): Ditto.
11276 (ASM_DECLARE_OBJECT_NAME): Ditto.
11278 * config/arm/pe.c (arm_dllexport_name_p): Check for
11280 (arm_dllimport_name_p): Ditto.
11281 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11282 (arm_mark_dllimport): Ditto.
11284 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11286 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11288 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11290 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11292 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11294 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11295 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11296 NO_BUILTIN_WCHAR_TYPE is not defined.
11297 (CPP_WCHAR_TYPE): Delete.
11298 * cccp.c (main): Don't change wchar_type if cplusplus.
11299 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11301 2000-02-28 Nick Clifton <nickc@cygnus.com>
11303 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11305 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11307 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11308 (ASM_WEAKEN_LABEL): Define.
11310 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11312 * expr.c (store_constructor): Do not emit USE.
11313 * rtl.h (stupid_life_analysis): Remove.
11315 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11317 * function.c (number_blocks): Reset next_block_index based on
11318 what debugging format is used, not what is defined.
11320 * lcm.c: Minor reformatting throughout.
11321 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11323 * toplev.c (rest_of_compilation): Account for time in
11324 optimize_mode_switching.
11326 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11327 if only marking labels.
11329 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11331 * calls.c (expand_call): Attempt to combine stack adjustments with
11332 pending stack adjustments.
11334 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11336 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11337 to the end of the function.
11339 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11341 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11343 * final.c (next_block_index): Remove.
11344 (max_block_depth): Likewise.
11345 (pending_blocks): Likewise.
11346 (init_final): Don't initialize them.
11347 (final_start_function): Don't set next_block_index. Set up
11349 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11350 * function.h (number_blocks): New function.
11351 * function.c (get_block_vector): New function.
11352 (identify_blocks): Use it.
11353 (reorder_blocks): Set NOTE_BLOCK.
11354 (number_blocks): New function.
11355 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11356 * tree.h (BLOCK_NUMBER): New macro.
11357 (tree_block): Add block_num field.
11358 * dbxout.c (next_block_number): Remove.
11359 (dbxout_init): Don't set it.
11360 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11361 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11363 * toplev.c (rest_of_compilation): Always call
11364 find_loop_tree_blocks. Fix indentation.
11365 * dwarf2out.c (next_block_number): Remove.
11366 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11367 to determine block numbers.
11368 (gen_inlined_subroutine_die): Likewise.
11369 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11370 (decls_for_scope): Don't increment next_block_number.
11371 * dwarfout.c (next_block_number): Remove.
11372 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11373 to determine block numbers.
11374 (output_inlined_subroutine_die): Likewise.
11375 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11376 (output_decls_for_scope): Don't increment next_block_number.
11377 * sdbout.c (next_block_number): Remove.
11378 (sdbout_block): Use BLOCK_NUMBER.
11379 (sdbout_begin_block): Simplify.
11380 * xcoffout.c (next_block_number): Remove.
11381 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11382 (xcoffout_begin_block): Don't set next_block_number.
11383 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11386 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11388 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11389 (expand_builtin_strcpy): Pass correct type to size_binop.
11390 (expand_builtin_strcmp): Likewise.
11391 Clean up conditional structure.
11392 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11393 (complete_array_type): Don't use size_binop for MAXINDEX.
11394 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11395 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11396 (c_alignof): Use size_one_node.
11397 (build_unary_op): Pass arg of proper type to size_binop.
11398 (really_start_incremental_init, push_init_level): Use sizetype for
11399 constructor{,_bit,_unfilled}_index.
11400 (pop_init_label, output_init_element): Likewise.
11401 (output_pending_init_elements, process_init_element): Likewise.
11402 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11403 * expr.c (store_expr): Use size_int.
11404 (store_constructor): Use proper types for size_binop args.
11405 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11406 (expand_expr_unaligned): Likewise.
11407 (string_contant): Return object of sizetype.
11408 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11409 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11410 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11411 * fold-const.c (int_const_binop): Refine when size_int is called.
11412 (fold_convert): Likewise.
11413 (size_int_wide): Rework to take KIND as arg, only take low order
11414 bits, handle new sizetype_tab datatype, and chain entries in
11416 (size_int_type_wide): New function.
11417 (size_binop): Validate types of arguments.
11418 (ssize_binop): Deleted.
11419 (size_diffop): New function.
11420 (extract_muldiv): Only fold division into multiplication for sizetypes.
11421 * function.c (assign_parms): Use size_diffop and make sure
11422 VAR field is of ssizetype; also pass proper type to size_binop.
11423 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11424 (round_down): Deleted from here.
11425 * store-layout.c (sizetype_tab): Now an array.
11426 (sizetype_set, early_root_list): New variables.
11427 (variable_size): Use size_one_node.
11428 (round_up): Pass proper type to size_binop.
11429 (round_down): Moved to here and corrected as above.
11430 (layout_record): Pass proper arg types to size_binop.
11431 (layout_type): Likewise.
11432 If sizetype_set is zero, record the type just laid out.
11433 (make_unsigned_type): Don't call set_sizetype;
11434 (make_signed_type): Likewise; also, call fixup_signed_type.
11435 (initialize_sizetypes): New function.
11436 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11437 set name of bitsizetype to "bit_size_type".
11438 Fix up type of sizes of all types made before call.
11439 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11440 * tree.c (fix_sizetype): Deleted.
11441 (build_common_tree_nodes): Call initialize_sizetypes.
11442 (build_common_tree_nodes_2): Don't call fix_sizetype.
11443 * tree.h (TYPE_IS_SIZETYPE): New macro.
11444 (initialize_sizetype): New declaration.
11445 (enum size_type_kind): New type.
11446 (struct sizetype_tab): Deleted.
11447 (sizetype_tab): Now array; adjust sizetype macros.
11448 (size_diffop, size_int_type_wide): New functions.
11449 (size_int_wide): Change number of args and type; access macros changed.
11450 (ssize_int, sbitsize_int): New macros.
11451 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11452 (ROUND_TYPE_SIZE_UNIT): New macro.
11454 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11456 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11458 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11460 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11461 Mark as possibly unused.
11463 * cse.c (cse_insn): Delete dead code involving tablejump.
11464 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11466 * Makefile.in (libcpp.a): Start by deleting it.
11468 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11470 * cpplib.h (enum file_change_code): Added rename_file.
11471 * cpplib.c (do_line): If a filename is given, set file_change to
11473 (output_line_command): If file_change is rename_file, always
11474 output a # directive with the file name.
11476 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11478 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11480 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11481 when copying a PARM_DECL or RESULT_DECL.
11483 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11485 * fix-header.c (recognized_function): Also fix prototypes for
11486 functions taking "void".
11488 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11490 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11491 looking at reg_reloaded_contents.
11493 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11495 * Makefile.in (STMP_FIXINC): New toggle.
11496 (LIBGCC2_DEPS): Delete all references.
11497 (stmp-headers): Delete target. All references either deleted
11498 or changed to stmp-int-headers.
11499 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11500 (LIBCPP_OBJS): Take out cppalloc.o.
11501 (cppalloc.o): Delete target.
11502 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11503 (gen-protos, fix-header): Link with libiberty.a.
11504 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11507 * configure.in: Remove refs to strerror.
11508 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11509 * system.h: Take out strerror stanza.
11511 * cpperror.c (my_strerror): Delete function.
11512 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11513 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11514 * cppalloc.c: Delete file.
11515 * gen-protos.c: Don't provide xrealloc.
11517 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11518 xstrerror throughout.
11520 2000-02-26 Bruce Korb <bkorb@gnu.org>
11522 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11523 match for DOS headers, too.
11524 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11526 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11528 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11529 is right for most ELF targets.
11530 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11531 Let the default file use %U properly.
11532 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11535 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11538 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11540 * toplev.c (documented_lang_options): Correct spelling error.
11541 (decode_d_option, decode_f_option, main): Likewise.
11543 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11545 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11546 to tell assembler it is permitted to expand large constants.
11548 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11550 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11551 (aux_info_suffix): Use.
11552 (SAVE_SUFFIX): New macro.
11553 (save_suffix): Use.
11554 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11555 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11556 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11558 * invoke.texi (Running Protoize): Update documentation.
11560 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11562 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11564 2000-02-25 John Wehle (john@feith.com)
11566 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11568 2000-02-25 Anthony Green <green@cygnus.com>
11570 * toplev.c (rest_of_compilation): Rebuild jump labels if
11571 combine_instructions has created a new direct jump.
11572 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11574 (combine_instructions): Call try_combine with new argument.
11575 Return non-null value when new direct jump instruction is created.
11576 * rtl.h: combine_instructions returns an int.
11578 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11580 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11581 jump when changing a computed jump into a jump to a known
11584 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11586 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11587 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11589 * i386.md (define_expand "clrstrsi"): Fix typo.
11591 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11593 * rtl.texi: Fix typo.
11595 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11597 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11598 UNITS_PER_WORD. Change caller initial_elimination_offset.
11599 (rounded_frame_size): Take into account that argument pushed has
11600 changed. Fix TARGET_ALIGN_DOUBLE problem.
11602 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11604 * haifa-sched.c (schedule_block): Explain the real reason
11605 we delete REG_SAVE_NOTEs on the first insn of a block.
11606 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11608 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11610 * input.h (push_srcloc): New function.
11611 (pop_srcloc): Likewise.
11612 * toplev.c (push_srcloc): Define it.
11613 (pop_srcloc): Likewise.
11615 2000-02-24 Richard Henderson <rth@cygnus.com>
11617 * flow.c (life_analysis): When collecting reg info, clear
11620 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11622 Fix bug exposed by reload.c no longer rounding the frame
11623 size to BIGGEST_ALIGNMENT:
11624 * sh.c (rounded_frame_size): New function.
11625 (sh_expand_prologue, sh_expand_epilogue): Use it.
11626 (initial_elimination_offset): Likewise.
11628 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11630 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11631 * sh-protos.h (sh_need_epilogue): Declare.
11632 * sh.c (sh_need_epilogue_known): New static variable.
11633 (sh_need_epilogue): New function.
11634 (function_epilogue): Clear need_epilogue_known.
11635 * sh.md (return): Split into expander / insn pattern.
11636 Make the expander conditional on ! sh_need_epilogue ().
11638 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11640 * machmode.h (get_mode_alignment): Declare.
11641 (GET_MODE_ALIGNMENT): Call it.
11642 * stor-layout.c (get_mode_alignment): New function. Make
11643 sure alignment is always power of 2.
11645 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11647 * i386.h: Remove useless definition of "I386" and misleading
11650 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11652 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11653 under which TREE_PERMANENT will be set.
11654 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11655 build1): Use TREE_SET_PERMANENT.
11656 * print-tree.c (print_node): Don't report value of
11657 TREE_PERMANENT if ggc_p is true.
11659 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11660 decide whether to give a type a new alias set.
11661 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11662 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11663 of value of 'obstack'.
11666 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11668 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11670 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11672 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11673 * cpplib.c (cpp_get_token): Produce them.
11674 * cppexp.c (cpp_lex): Handle them.
11676 2000-02-23 Nick Clifton <nickc@cygnus.com>
11678 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11679 comment tests on type attributes.
11681 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11683 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11684 conform to documentation.
11685 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11686 to check for special cases.
11687 * sh-protos.h (sh_loop_align): Declare.
11688 * sh.c (sh_loop_align): Define.
11690 2000-02-22 Andrew Haley <aph@cygnus.com>
11692 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11693 (SIZE_TYPE): Is 32 bits when using -mgp32.
11694 (PTRDIFF_TYPE): Ditto.
11696 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11698 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11700 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11702 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11703 BIGGEST_FIELD_ALIGNMENT a constant.
11705 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11707 * dwarf2out.c (output_line_info): Put the marker for the end of
11708 the line number info at the actual end.
11709 (gen_struct_or_union_type_die): Use decl_function_context
11710 to check for local classes.
11711 * dwarfout.c (output_type): Likewise.
11713 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11715 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11716 for arguments with a mode, but no type.
11717 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11718 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11719 * pa/long_double.h: New file.
11720 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11721 both have 128bit wide long doubles.
11722 * configure: Rebuilt.
11724 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11726 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11728 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11729 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11730 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11732 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11734 * integrate.c (compare_blocks, find_block): Likewise.
11736 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11738 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11740 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11741 expand_asm_operands): Likewise.
11743 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11745 * predict.c (estimate_probability): Added the pointer heuristic to
11746 the collection of static branch predictors.
11748 2000-02-21 Catherine Moore <clm@cygnus.com>
11750 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11751 * invoke.texi (-mfix7000): Document.
11753 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11755 * diagnostic.c (init_output_buffer): Make it possible to output at
11756 least 32 characters if we're given a too long prefix.
11758 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11760 * varasm.c (initializer_constant_valid_p): Call
11761 lang_expand_constant to simplify the constant.
11763 2000-02-20 Bruce Korb <bkorb@gnu.org>
11765 * fixinc/inclhack.def(stdio_va_list):
11766 typedef needs to be disabled.
11767 * fixinc/inclhack.sh: regen
11768 * fixinc/fixincl.x: regen
11770 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11772 * print-rtl.c (print_rtx): Don't print addresses when
11773 flag_dump_unnumbered.
11775 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11777 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11779 (sparc_va_arg, sparc_flat_output_function_prologue,
11780 sparc_flat_output_function_epilogue): Cast value to unsigned in
11782 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11784 * sparc.md: Add default case in switch.
11786 2000-02-19 Richard Henderson <rth@cygnus.com>
11788 * c-typeck.c (add_pending_init): Don't abort for multiple
11789 fields at the same offset.
11790 (pending_init_member): Test the correct member.
11792 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11794 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11796 (start_catch_handler) : Same.
11798 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11800 * Makefile.in: Have flow.o depend on $(EXPR_H)
11802 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11804 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11805 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11806 (finish_decl): Remove -Wlarger-than code from here.
11807 * flags.h (id_clash_len): Now int.
11808 (larger_than_size): Now HOST_WIDE_INT.
11809 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11810 Clean up checking to see if in table.
11811 (make_bit_field_ref): Remove extra parm to bitsize_int.
11812 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11813 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11814 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11815 and for computing size of decl.
11816 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11817 Move -Wlarger-than code to here.
11818 (layout_record): Remove extra arg to bitsize_int.
11819 Set TYPE_BINFO_SIZE_UNIT.
11820 (layout_union): Remove extra arg to bitsize_int.
11821 Use proper type for size of QUAL_UNION.
11822 (layout_type): Remove extra arg to bitsize_int.
11823 * toplev.c (id_clash_len): Now int.
11824 (larger_than_size): Now HOST_WIDE_INT.
11825 (decode_W_option): Clean up id-clash and larger-than- cases.
11826 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11827 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11828 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11829 (struct tree_decl): New field size_unit.
11830 (size_int_wide): No HIGH operand; NUMBER is now signed.
11831 (size_int_2): Deleted.
11832 (size_int, bitsize_int): Don't use it and rework args.
11833 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11835 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11837 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11839 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11841 * invoke.texi (Warning Options): Add an explanation of why
11842 you might want the -Wfloat-equal flag.
11844 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11846 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11847 * cppinit.c (new_pending_define): Add cast to avoid warning.
11848 * expmed.c (extract_bit_field): Likewise.
11849 * flow.c (enum reorder_skip_type): New type.
11850 (skip_insns_between_blcok): New it.
11851 Rework to avoid warning about possibly undefined variable.
11852 * function.c (assign_parms): Make thisparm_boundary unsigned.
11853 * genrecog.c (write_switch): Cast XWINT result to int.
11854 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11855 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11856 one for MIPS and one for Alpha.
11857 (get_tag, copy_object): Add casts to avoid warnings.
11858 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11859 * reload.c (find_reloads): Make TYPE enum reload_type.
11860 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11861 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11862 * varasm.c (compare_constant_1): Add cast to avoid warning.
11863 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11865 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11866 Cast switch operand of size to int.
11867 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11868 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11871 2000-02-18 Nick Clifton <nickc@cygnus.com>
11873 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11874 anything for an alignment of zero.
11876 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11877 anything for an alignment of zero.
11879 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11881 * gcc.texi (Bug Reporting): Refer to bugs.html.
11882 (Bug Lists): Likewise.
11883 * system.h (GCCBUGURL): New preprocessor define.
11884 * rtl.c (fancy_abort): Use it.
11885 * gcc.c (main): Likewise.
11887 2000-02-18 Richard Henderson <rth@cygnus.com>
11889 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11890 (life_analysis_1): Subsume into ...
11891 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11892 Use update_life_info for the relaxation.
11893 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11894 entry and regs_live_at_setjmp.
11895 (set_noop_p): Simplify.
11896 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11897 (record_volatile_insns): Split into ...
11898 (delete_noop_moves): ... here,
11899 (notice_stack_pointer_modification): ... here,
11900 (insn_dead_p): ... and here.
11901 (propagate_block): Don't query INSN_VOLATILE.
11902 (mark_used_regs): Mind !PROP_REG_INFO.
11903 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11904 not in life_analysis.
11906 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11908 * loop.c (canonicalize_condition): New function,
11909 broken out of get_condition.
11910 (get_condition): Use it.
11911 * expr.h (canonicalize_condition): Prototype it.
11913 * tree.h (tree_int_cst_msb): Declare.
11914 * tree.c (tree_int_cst_msb): New function.
11916 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11918 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11921 * invoke.texi (-fmessage-length=n): Document.
11923 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11925 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11927 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11929 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11930 after the prologue.
11932 2000-02-17 Nick Clifton <nickc@cygnus.com>
11934 * config/arm/thumb.c: Replace includes of system headers with
11935 #include "system.h".
11937 2000-02-16 Richard Henderson <rth@cygnus.com>
11939 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11940 Add crtbeginS.o and crtendS.o.
11941 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11942 (ENDFILE_SPEC): Use crtendS.o.
11943 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11945 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11946 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11947 shared and present.
11948 (__dso_handle): New variable.
11949 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11950 bias to __CTOR_END__.
11952 2000-02-16 Richard Henderson <rth@cygnus.com>
11954 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11956 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11958 * longlong.h (__clz_tab): Declare as static to match definition.
11960 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11962 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11963 (XREF_FILE_NAME): Define.
11965 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11966 (EH_FRAME_SECTION_ASM_OP): Define.
11967 (IDENT_ASM_OP): Define.
11968 (TEXT_SECTION_ASM_OP): Define.
11969 (CPP_SPEC): Define.
11970 (CTORS_SECTION_ASM_OP): Define.
11971 (CTOR_SECTION_FUNCTION): Use it.
11972 (DTORS_SECTION_ASM_OP): Define.
11973 (DTOR_SECTION_FUNCTION): Use it.
11975 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11977 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11980 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11981 debug_bb_n): New functions.
11982 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11983 * basic-block.h: Prototype new functions.
11985 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11987 * configure.in: Add support for avr target.
11988 * configure: Rebuilt.
11990 * invoke.texi: Add AVR invocation docs.
11991 * install.texi: Add information about AVR.
11992 * md.texi: Add AVR constraint letters description.
11993 * extend.texi: Add description for AVR specific attributes.
11995 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11997 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11999 2000-02-16 Nick Clifton <nickc@cygnus.com>
12001 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
12002 (make_insn_raw): Move RTL check here.
12004 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12006 * version.c: Include gansidecl.h and version.h.
12008 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
12010 * configure.in (gcc_version): When setting, narrow search to
12011 lines containing `version_string'.
12013 * Makefile.in (mainversion): Likewise.
12014 (GCC_H): New variable.
12015 (gcc.h): Delete target.
12016 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
12017 (version.o): Depend on version.h.
12018 (dbxout.o): Don't depend on gcc.h.
12020 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
12021 Michael Meissner <meissner@cygnus.com>
12023 * md.texi (Simple Constraints): Add item about whitespace.
12024 * genoutput.c (strip_whitespace): New.
12025 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
12026 strip_whitespace for constraints.
12027 Test pointer using NULL, not 0.
12029 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12031 * cpplib.c (do_line): Pedwarn for #line > 32767.
12033 * c-lex.c (readescape): Warn about '\x', but do not reject it.
12035 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
12037 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
12038 to default cpp spec.
12039 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
12040 * cpp.texi: Document __GNUC_PATCHLEVEL__.
12043 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
12046 2000-02-15 Denis Chertykov <denisc@overta.ru>
12048 * configure.in: Add support for avr target.
12050 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12052 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
12053 (sh_addr_diff_vec_mode): Don't declare.
12054 * sh.c (sh_addr_diff_vec_mode): Delete.
12056 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12058 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
12060 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12062 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
12063 (smulsi3_highpart_i): Name.
12064 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
12065 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
12066 (smulsi3_highpart, umulsi3_highpart): Likewise.
12068 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
12069 correctly independent of endianness.
12070 (mulsidi3, umulsidi3): Now define_insn. Hide details that
12071 confuse the optimizers.
12072 (mulsidi3+1, umulsidi3+1): New define_split.
12074 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
12076 * config/sh/sh.md: Guard insn splits against illegal registers.
12077 * config/sh/sh.h: Correct comment about macros.
12079 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12080 Andrew MacLeod <amacleod@cygnus.com>
12082 * Makefile.in (lcm.o): Depend on insn-attr.h.
12083 * basic-block.h (optimize_mode_switching): Declare.
12084 * lcm.c (tm_p.h, insn-attr.h): #include.
12085 (seginfo, bb_info): New structs.
12086 (antic, transp, comp, delete, insert) : New file-scope static variables.
12087 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
12088 (reg_becomes_live, optimize_mode_switching): Likewise.
12089 * tm.texi: Add description of mode switching macros.
12090 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
12092 * sh-protos.h (remove_dead_before_cse): Remove prototype.
12093 (fldi_ok, fpscr_set_from_mem): New prototypes.
12094 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
12095 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
12096 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12097 (sh_flag_remove_dead_before_cse): Remove declaration.
12098 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
12099 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
12100 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
12101 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12102 (barrier_align): Allow for JUMP_INSNS containing a parallel.
12103 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
12104 (fldi_ok): New function.
12105 (get_fpscr_rtx): Add fpscr_rtx as GC root.
12106 (emit_sf_insn): Only generate fpu switches when optimize < 1.
12107 (emit_df_insn): Likewise.
12108 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
12109 (sh_flag_remove_dead_before_cse): Delete.
12110 (get_free_reg, fpscr_set_from_mem): New functions.
12111 * sh.md (movdf, movsf): Remove no_new_pseudos code.
12112 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
12114 2000-02-15 Loren Rittle <ljrittle@acm.org>
12116 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
12118 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12120 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
12121 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
12123 * cccp.c: Include version.h and/or don't declare `version_string'.
12124 * collect2.c: Likewise.
12125 * alpha.c: Likewise.
12126 * arm/aof.h: Likewise.
12127 * arm/coff.h: Likewise.
12128 * arm/elf.h: Likewise.
12129 * arm/pe.h: Likewise.
12130 * arm/tcoff.h: Likewise.
12131 * arm/telf.h: Likewise.
12132 * arm/tpe.h: Likewise.
12133 * arm/vxarm.h: Likewise.
12134 * convex/convex.c: Likewise.
12135 * i386/dgux.c: Likewise.
12136 * i386/sun386.h: Likewise.
12137 * m88k/m88k.c: Likewise.
12138 * mcore/mcore-pe.h: Likewise.
12139 * mips/mips.h: Likewise.
12140 * romp/romp.h: Likewise.
12141 * sh/sh.c: Likewise.
12142 * cpphash.c: Likewise.
12143 * cppinit.c: Likewise.
12144 * dwarf2out.c: Likewise.
12145 * dwarfout.c: Likewise.
12148 * mips-tfile.c: Likewise.
12149 * protoize.c: Likewise.
12150 * toplev.c: Likewise.
12151 * tree.h: Likewise.
12153 * version.c (version_string): Constify a char*.
12155 * version.h: New file.
12157 2000-02-14 Nick Clifton <nickc@cygnus.com>
12159 * configure.in: Add mcore-elf and mcore-pe targets.
12160 * configure: Regenerate.
12162 * NEWS: Add note that MCore port has been contributed.
12164 * invoke.texi: Document command line switches for MCore port.
12165 * install.texi: Add MCore to list of supported targets.
12167 2000-02-14 Geoff Keating <geoffk@cygnus.com>
12169 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
12170 then we will need to import the frame handling functions.
12171 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
12172 to import the frames themselves.
12174 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
12175 Jason Eckhardt <jle@cygnus.com>
12177 * basic_block.h: Added prototype for reorder_basic_blocks.
12178 * toplev.c: Changes to add -freorder-blocks and graph dump after
12179 block reordering is done.
12180 * flow.c (reorder_block_def): New structure for use during block
12182 (REORDER_BLOCK_*): New macros to access members of above structure.
12183 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
12184 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
12185 functions for block reordering.
12187 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
12189 * gcc.texi (Passes): Fix typo.
12190 * md.texi (Standard Names): Ditto.
12191 * tm.texi (Storage Layout): Ditto.
12193 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12195 * cpplib.c (do_define): Only free the old definition if it
12198 2000-02-13 Neil Booth <NeilB@earthling.net>
12200 * cppfiles.c (read_and_prescan): When emitting deferred
12201 newlines, test speccase[] again instead of checking each
12202 possible whitespace character in turn. When we encounter \r,
12203 look behind for \n first, then ahead.
12205 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12207 * cse.c (cse_altered): New internal flag.
12208 (cse_insn): Set it if we changed an insn.
12209 (cse_main): Clear cse_altered before each basic block.
12210 Only garbage collect if cse_altered is true afterward.
12212 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12214 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
12216 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
12218 * combine.c (simplify_comparison): Fix typo.
12220 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
12222 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
12225 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12227 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
12228 previously inserted node instead of root node. Caller changed.
12230 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12232 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
12234 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12236 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
12237 __dereg_frame_dtor): Add prototype argument.
12239 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
12241 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
12243 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
12245 * gthr-vxworks.h (__gthread_once): Likewise.
12247 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
12249 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
12251 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
12252 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
12253 stack pointer in functions w/o saved registers, output LEAVE more often
12254 on TARGET_USE_LEAVE machines.
12256 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
12258 * config/arm/arm.c (arm_init_cumulative_args); New function:
12259 Initlaise the CUMULATIE_ARGS strcuture for a function
12261 (arm_function_arg): New function: Determine where to place a
12262 function's argument. Also handles deciding the function's
12264 (current_file_function_operand): New function: Return true if
12265 the symbol is a function which has already been compiled.
12266 (arm_is_long_call_p): New function: Return true if the
12267 indicated function should be called via a long call.
12268 (arm_valid_type_attribute_p): New function: Return true if the
12269 attribute is a valid, arm specific, attribute.
12270 (arm_comp_type_attribute): New function: Return true if the
12271 two types have compatable, arm specific, attributes.
12273 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12275 (FUNCTION_ARG): Redefine to call arm_function_arg.
12276 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12278 (INIT_CUMULATIVE_ARGS): Redefine to call
12279 arm_init_cumulative_args.
12280 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12282 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12284 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12286 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12287 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12288 (COMP_TYPE_ATTRIBUTES): Define.
12290 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12291 if a long call is needed.
12292 (call_value): Call arm_is_long_call_p to decide if a long call
12294 (call_symbol): Call arm_is_long_call_p to decide if a long call
12297 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12299 2000-02-11 Denis Chertykov <denisc@overta.ru>
12301 * README.AVR: New file with information about the avr ports.
12302 * config/avr: New directory with avr port files.
12304 2000-02-11 Andreas Jaeger <aj@suse.de>
12306 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12308 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12310 * cpphash.c: Fix formatting, update commentary.
12311 (dump_definition): Take three separate arguments instead of a
12312 MACRODEF structure argument.
12313 * cpphash.h: Update prototype of dump_definition.
12314 * cppinit.c (cpp_finish): Update call of dump_definition.
12316 * cpplib.c (do_define): Always create new hash entry with
12317 T_MACRO type. Remove redundant check for redefinition of
12318 poisoned identifier. Update call of dump_definition.
12319 (do_undef): Don't call check_macro_name. Rename sym_length to
12321 (do_error, do_warning): Don't use copy_rest_of_line or
12323 (do_warning): Don't use pedwarn for the actual warning,
12324 only the notice about its not being in the standard. (Fixes
12325 bug with #warning in system headers.)
12326 (do_ident): Stricter argument checking - accept only a single
12327 string after #ident. Also, macro-expand the line.
12328 (do_xifdef): Use cpp_defined. De-obfuscate.
12330 (do_pragma): Split out specific pragma handling to separate
12331 functions. Use get_directive_token. Update commentary. Do
12332 not pass on #pragma once or #pragma poison to the front end.
12333 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12334 do_pragma_default): New.
12336 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12338 * jump.c (jump_optimize_1): The first operand in a relational
12339 can be a CONST_INT.
12340 * optabs.c (emit_conditional_move): Handle relationals which
12341 have a known true/false result.
12343 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12345 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12346 a RETURN insn into a block which already ends with a jump.
12348 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12350 * haifa-sched.c (BUF_LEN): Increase a lot.
12352 2000-02-11 Nick Clifton <nickc@cygnus.com>
12354 * configure.in: Add tm_p_file specification for thumb targets.
12355 * configure: Regenerate.
12357 * config/arm/thumb-protos.h: New file: Prototypes for exported
12358 functions defined in thumb.c.
12360 2000-02-11 Robert Lipe <robertl@sco.com>
12362 * Makefile.in (bootstrap-lean): Remove additional files.
12363 (bootstrap2-lean): Likewise.
12364 (VOL_FILES): List of files for above.
12366 2000-02-11 Nathan Sidwell <nathan@acm.org>
12368 * cpphash.c (special_symbol): Remove spurious argument to
12371 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12373 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12375 * configure: Rebuilt.
12377 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12379 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12381 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12383 * pa.c, pa.h: Remove trigraph sequences within comments.
12385 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12387 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12389 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12391 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12393 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12395 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12397 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12399 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12400 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12401 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12402 (ASM_FILE_END): Use c4x_file_end.
12403 * config/c4x/c4x.c (c4x_global_label): New function.
12404 (c4x_external_ref, c4x_file_end): Likewise.
12406 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12407 (c4x_external_ref, c4x_end_file): Likewise.
12409 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12411 * cppexp.c: Don't include cpphash.h.
12412 (parse_charconst, cpp_lex): Use cpp_defined.
12413 (cpp_lex): Use get_directive_token throughout. Remove
12414 unnecessary cases from switch. Move assertion-handling code
12415 down to OTHER case.
12416 (cpp_parse_expr): If we see '+' or '-', check the context to
12417 determine if they are unary or binary operators. Streamline
12418 the jumps a bit. Do not call skip_rest_of_line.
12420 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12421 static. Export get_directive_token. Update commentary.
12422 (cpp_defined): New function.
12423 (do_define): Remove reference to T_PCSTRING. Call
12424 free_definition to release memory for old definition, when
12425 redefining a macro.
12426 (eval_if_expression): Set only_seen_white to 0 before calling
12427 cpp_parse_expr. Call skip_rest_of_line after it returns.
12428 (cpp_read_check_assertion): Don't preserve a pointer into the
12429 token buffer across a call to cpp_get_token.
12431 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12432 * cppfiles.c (redundant_include_p): Use cpp_defined.
12433 * cpphash.c (free_definition): New function.
12434 (delete_macro): Use it. Update commentary.
12435 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12437 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12438 from enum node_type. Prototype cpp_defined and get_directive_token.
12439 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12441 * fix-header.c (check_macro_names): Use cpp_defined.
12442 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12443 the options structure.
12445 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12447 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12449 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12451 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12452 rather than die->die_tag.
12454 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12456 * combine.c (make_extraction, force_to_mode): Avoid warning on
12457 mixed-signedness conditionals.
12458 (make_field_assignment, nonzero_bits): Likewise.
12459 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12460 (store_split_bit_field, extract_split_bit_field): Likewise.
12461 (extract_fixed_bit_field, store_bit_field,
12462 * expr.c: Change alignment to be unsigned everywhere.
12463 (move_by_pieces, store_constructor_field, store_constructor):
12464 Alignment parm is unsigned.
12465 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12466 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12467 (do_compare_rtx_and_jump): Likewise.
12468 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12469 Compare align with GET_MODE_ALIGNMENT.
12470 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12471 (get_inner_reference): Likewise.
12472 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12473 (expand_assignment): Local vars for alignment now unsigned.
12474 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12475 (do_compare_and_jump): Likewise.
12476 (store_field): Call new function expr_align.
12477 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12478 Alignment arg now unsigned.
12479 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12480 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12481 (extract_bit_field): Likewise.
12482 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12483 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12484 (get_best_mode): Alignment arg is unsigned.
12485 * rtl.h (move_by_pieces): Likewise.
12486 * store-layout.c (maximum_field_alignment, set_alignment):
12488 (layout_decl): Alignment arg is now unsigned.
12489 Remove unneeded casts.
12490 (layout_record, layout_union, layout_type): Remove unneeded casts.
12491 Local alignment variables now unsigned.
12492 (get_best_mode): Alignment arg now unsigned.
12493 * tree.c (expr_align): New function.
12494 * tree.h (expr_align): Likewise.
12495 (maximum_field_alignment, set_alignment): Now unsigned.
12496 (get_inner_reference): Alignment argument is now pointer to unsigned.
12497 * varasm.c (assemble_variable): Add cast to eliminate warning.
12499 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12501 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12502 then store directly into op0.
12504 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12505 the CALL_INSN, and emit the note immediately after it.
12507 2000-02-10 Nick Clifton <nickc@cygnus.com>
12509 * config/arm/thumb.md (epilogue): Include a (return) in the
12510 generated insn, and emit it using emit_jump_insn not
12513 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12515 * function.c (assign_temp): Change zero-sized arrays to size 1.
12516 * integrate.c (expand_inline_function): Do not update
12517 stack_alignment_needed
12518 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12519 add some sanity checking, remove optimization for function with
12522 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12524 * flow.c (mark_regs_live_at_end): Delete unused variables.
12526 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12528 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12529 in macro FRAME_GROWS_DOWNWARD.
12531 * stmt.c (expand_end_bindings): Delete unused variable.
12533 * unroll.c (iteration_info): Mark parameter `loop' with
12536 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12538 * fixinc/server.c (load_data): Return NULL if the marker line is
12540 (run_shell): If load_data returns NULL, retry the command once, in
12543 * configure: Rebuilt.
12545 2000-02-09 Bruce Korb <bkorb@gnu.org>
12547 * gcc/fixincludes: ** DELETED **
12548 * gcc/fixcpp: ** DELETED **
12549 * gcc/fixinc-nt.sed: ** DELETED **
12550 * gcc/just-fixinc: ** DELETED **
12551 * gcc/Makefile.in: Removed out-dated commentary
12552 * gcc/configure.in: Removed fast-fixincludes disablement.
12553 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12555 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12556 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12559 2000-02-09 Richard Henderson <rth@cygnus.com>
12561 * jump.c (delete_insn): Don't delete user labels at -O0.
12563 2000-02-09 Robert Lipe <robertl@sco.com>
12565 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12566 Don't link with HOST_LIBS.
12568 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12570 * configure.in: Correct --help text for --with-dwarf2.
12571 Put tm-dwarf2.h after other tm files, if it's requested.
12572 * configure: Regenerate.
12573 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12576 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12578 * cpplib.h: Provide HASHNODE typedef and forward decl of
12579 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12580 DEFINITION, struct hashnode, struct macrodef, struct
12581 definition, scan_decls prototype, default defn of
12582 INCLUDE_LEN_FUDGE moved elsewhere.
12584 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12585 definition, and struct hashnode moved here. Remove the unused
12586 'predefined' field from struct definition. Replace the 'args'
12587 union with its sole member. All users updated (cpphash.c).
12588 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12589 multiple include guard.
12591 * cpphash.c (hashf): Make static; use better algorithm; drop
12592 HASHSIZE parameter; return an unsigned int.
12593 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12594 used. Calculate HASHSIZE modulus here.
12595 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12597 (create_definition): Drop PREDEFINITION parameter.
12598 * cpplib.c (do_define): Don't calculate a hash value here.
12599 Don't pass (keyword == NULL) to create_definition.
12601 * scan.h: Prototype scan_decls here.
12602 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12603 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12604 callers of cpp_lookup and cpp_install updated.
12606 * cpphash.c (macarg): Hoist all the flag diddling out of the
12608 (macroexpand): ... and out of the loop that calls macarg.
12609 Skip over the initial paren before macro arguments with
12610 cpp_get_non_space_token; point may be some distance before
12611 that paren. Abort if it's not there.
12613 * cpplib.c (parse_clear_mark): Delete function.
12614 (parse_set_mark, parse_goto_mark): Make static.
12615 (ACTIVE_MARK_P): New macro.
12616 (skip_block_comment, skip_line_comment): Do not bump the line
12617 if ACTIVE_MARK_P is true.
12618 (cpp_pop_buffer): The buffer to be popped may not have an
12620 (cpp_get_token): When looking for the initial paren before
12621 macro arguments, only set a mark in a file buffer, Always
12622 return to that mark before proceeding to call macroexpand or
12623 return a NAME token.
12625 * cpplib.h: Remove prototypes of parse_set_mark,
12626 parse_clear_mark, parse_goto_mark.
12627 (struct cpp_options): Rename 'put_out_comments' to
12628 'discard_comments' and invert its sense.
12629 * cppinit.c, cpphash.c, cpplib.c: All users of
12630 put_out_comments changed to use discard_comments, with
12633 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12635 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12636 the edge from a block that both jumps and falls through to the
12639 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12641 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12642 constant source address is legitimate.
12644 2000-02-09 Philip Blundell <pb@futuretv.com>
12646 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12649 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12651 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12653 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12655 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12656 ends with a newline and a NUL. Don't be so clever manipulating
12659 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12661 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12662 not to BIGGEST_ALIGNMENT.
12664 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12666 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12667 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12668 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12669 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12670 * frame.c (execute_cfa_insn): Handle
12671 DW_CFA_GNU_negative_offset_extended.
12673 2000-02-08 Richard Henderson <rth@cygnus.com>
12675 * flow.c (tidy_fallthru_edges): Split out from ...
12676 (delete_unreachable_blocks): ... here.
12677 (find_basic_blocks): Use it.
12679 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12681 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12683 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12685 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12686 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12687 (fix-header.o): Don't depend on cpphash.h.
12689 * scan.c (hashstr): New function.
12690 * scan.h: Prototype it.
12691 * fix-header.c: Don't include cpphash.h. Use hashstr.
12692 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12693 hashstr. Report hash table statistics. Add private
12694 definition of xrealloc.
12696 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12698 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12700 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12702 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12703 jumps with returns unless they are jumps to the fallthru block.
12705 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12707 * i386.md (addqi3_cc): Fix contraints.
12709 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12711 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12713 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12715 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12716 carriage return after a macro name.
12718 2000-02-07 Fred Fish <fnf@be.com>
12720 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12721 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12723 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12725 * cppfiles.c (deps_output): Count spacers in deps_column.
12727 2000-02-07 Neil Booth <NeilB@earthling.net>
12729 * cppinit.c (initialize_dependency_output): If there is no
12730 suffix, don't try to look for known suffixes. Use strrchr.
12731 (cpp_start_read): Remove duplicate initialization.
12733 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12735 * calls.c (compute_argument_block_size): New argument
12736 preferred_stack_boundary.
12737 (expand_call): update cfun->preferred_stack_boundary, update call of
12738 compute_argument_block_size
12739 (emit_library_call): Increate cfun->preferred_stack_boundary
12740 to PREFERRED_STACK_BOUNDARY
12741 (emit_library_call_value): Likewise.
12742 * explow.c (allocate_dynamic_stack_spave): Likewise.
12743 * function.c (prepare_function_start): Set
12744 cfun->preferred_stack_boundary
12745 * function.h (struct function): Add preferred_stack_boundary field.
12746 * integrate.c (expand_inline_function): Update
12747 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12748 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12749 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12751 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12753 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12754 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12755 cpp_pedwarn, cpp_pedwarn_with_line,
12756 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12757 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12758 v_cpp_error_with_line, v_cpp_warning_with_line,
12759 cpp_message_from_errno, cpp_perror_with_name): Delete.
12761 * cpperror.c (cpp_print_containing_files): Take starting
12762 buffer as argument.
12763 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12764 (v_cpp_message): Now called directly by all entry points.
12766 (cpp_pfatal_with_name, cpp_message): Delete.
12767 (cpp_notice_from_errno, cpp_ice): New functions.
12768 (cpp_notice): Is now for reporting error conditions, just
12769 without an associated file.
12770 (cpp_error, cpp_error_with_line): Don't do anything if
12771 opts->inhibit_errors is on.
12772 (cpp_pedwarn_with_file_and_line): Take column argument also.
12774 * cpplib.h: Update prototypes of exported functions.
12775 (struct cpp_options): Add inhibit_errors.
12777 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12778 non-error messages. Include intl.h.
12780 * cppinit.c, cppmain.c: Likewise. Also, use
12781 cpp_notice_from_errno instead of cpp_perror_with_name or
12782 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12784 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12785 report internal errors.
12787 * cpplib.c (do_define): Switch bcopy to memcpy.
12788 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12790 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12791 bail out early if we hit a line comment.
12793 2000-02-06 Richard Henderson <rth@cygnus.com>
12795 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12796 * basic-block.h: Declare them.
12797 * emit-rtl.h (active_insn_p): New.
12798 (next_active_insn, prev_active_insn): Use it.
12799 * rtl.h: Declare it.
12800 * function.c (emit_return_into_block): New.
12801 (thread_prologue_and_epilogue_insns): Insert return insns instead
12802 of epilogues when possible.
12803 * jump.c (jump_optimize_1): Remove code to insert a return insn
12804 on the fallthru to the exit block.
12806 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12807 and for non-empty stack frames.
12808 * i386.md (return): Expand to return-pop as needed.
12810 2000-02-06 Richard Henderson <rth@cygnus.com>
12812 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12813 constant to op1 for testing.
12815 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12817 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12818 (fixuns_truncqfqi2): Use it.
12820 2000-02-06 Richard Henderson <rth@cygnus.com>
12822 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12823 as a TYPE_LEA insn.
12825 * i386.md (widening and peepholes): Mask the constant instead of
12828 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12830 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12831 input pointer before possibly branching off to the backslash
12833 * cpphash.c (macroexpand): Correctly delete \r escapes when
12834 stringifying parameters.
12835 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12836 if we can; bail out early if we hit a line comment.
12837 (handle_directive): Treat '# 123' in an .S file just like
12838 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12839 Return 1 for '# not_a_directive'.
12840 (get_directive_token): Pop macro buffers here, so that
12841 cpp_get_token can't sneakily move past a newline.
12843 (cpp_get_token): goto randomchar if handle_directive returns 0.
12845 * cppalloc.c: Update copyright.
12846 * cpplib.c: Merge all the static function prototypes into one
12848 * cpplib.h: Remove #if 0 block.
12850 * cpperror.c: Remove #ifdef EMACS block.
12851 * cppmain.c: Likewise.
12852 * cpphash.c: Remove #if 0 blocks.
12853 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12854 * cpplib.c: Remove #if 0 blocks and code referencing
12855 pcp_inside_if or for_lint. Remove duplicate error message.
12856 Fix error messages for #else after #else or #elif. Reformat.
12857 Remove archaic TODO list.
12858 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12860 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12862 * i386/osf1elf.h: Add missing backslash to multiline string.
12864 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12866 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12868 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12870 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12872 * c-common.c: Include expr.h.
12874 * c-pragma.c (mark_align_stack): Add prototype.
12876 * caller-save.c (add_stored_regs): Likewise.
12878 * combine.c (record_promoted_value): Likewise.
12880 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12883 * cppinit.c (new_pending_define): Likewise.
12885 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12887 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12888 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12889 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12890 class_scope_p): Likewise.
12892 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12893 dwarf2out_add_library_unit_info): Likewise.
12895 * ggc.h (ggc_page_print_statistics): Likewise.
12897 * haifa-sched.c (propagate_deps): Likewise.
12899 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12901 * rtl.h (set_stack_check_libfunc): Likewise.
12903 * toplev.h (set_fatal_function): Likewise.
12905 * toplev.c (set_fatal_function): Delete prototype.
12907 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12909 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12911 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12912 (FUNC_END): Likewise.
12914 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12916 * caller-save.c: Include tm_p.h.
12918 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12920 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12922 2000-02-04 Neil Booth <NeilB@earthling.net>
12924 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12927 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12929 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12930 * genflags.c: Use the max_operand_1 logic from genemit.c to
12931 calculate how many arguments gen_insn prototypes have. Remove
12932 NO_MD_PROTOTYPES ifdefs from the generated file.
12933 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12934 file. Cast gen_insn initializers to insn_gen_fn.
12935 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12936 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12938 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12940 * fixinc/Makefile.in (HDR): Add machname.h.
12943 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12945 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12946 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12947 (c4x_cpu_version): Ditto.
12948 * config/c4x/c4x-protos.h: ... here.
12950 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12952 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12953 gen_abstract_function on our context if we're a nested function.
12955 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12957 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12958 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12960 2000-02-04 Bruce Korb <bkorb@gnu.org>
12962 * fixinc/genfixes(machname.h):
12963 Move the functionality from gen-machine.h into this file.
12964 UNdef MN_NAME_PAT if there are no names to change.
12965 Also, be a little kinder when AutoGen is not present.
12967 * fixinc/Makefile.in(machname.h):
12968 Change the generation rule to use genfixes.
12970 * fixinc/fixfixes.c(machine_name):
12971 machine_name_fix's functionality now dependent upon whether
12972 MN_NAME_PAT is defined.
12974 * fixinc/fixtests.c(machine_name):
12977 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12980 * fixinc/fixlib.h(mn_get_regexps):
12983 * fixinc/gen-machine.h: DELETED
12985 2000-02-04 Jan Hubicka <jh@suse.cz>
12986 Richard Henderson <rth@cygnus.com>
12988 * i386.c (SAVE_REGS_FIRST): Remove.
12989 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12990 (ix86_compute_frame_size): Likewise.
12991 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12992 (ix86_emit_restore_regs): Remove.
12993 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12994 when a frame pointer is in use.
12995 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12996 instead of pop to restore a register when profitable; emit leave
12998 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12999 as a TYPE_LEA insn.
13000 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
13001 * i386.md (prologue_allocate_stack): Remove.
13002 (epilogue_deallocate_stack): Remove.
13003 (pro_epilogue_adjust_stack): New.
13005 2000-02-04 Richard Henderson <rth@cygnus.com>
13007 * function.c (diddle_return_value): Rework to use a callback function.
13008 Use current_function_return_rtx if it's been set up.
13009 (do_clobber_return_reg, clobber_return_register): New.
13010 (do_use_return_reg, use_return_register): New.
13011 (expand_function_end): Use them.
13012 * stmt.c (expand_null_return): Likewise.
13013 * function.h: Declare them.
13014 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
13015 (mark_reg): Change arguments as appropriate for callback.
13016 * integrate.c (expand_inline_function): Revert 19 Jan change.
13018 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
13020 * tm.texi (Values in Registers): Fix typo: "fo" "for".
13021 (Misc): Say the scheduler, not the Haifa scheduler.
13023 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
13025 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
13026 when in_mem is set. Update all callers.
13028 2000-02-04 Richard Henderson <rth@cygnus.com>
13030 * i386/openbsd.h (INT_ASM_OP): Define.
13032 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
13034 * tm.texi: Fix various typos.
13036 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
13038 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
13039 (MD_STARTFILE_PREFIX_1): New macro.
13041 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
13043 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
13044 destination when needed.
13045 (strmovsi, strsetsi): New expander.
13046 (strmovsi_1, strsetsi_1): New pattern.
13047 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
13048 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
13049 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
13050 * invoke.texi (align-stringops, inline-all-stringops): Document.
13052 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
13054 * i386/netbsd.h (INT_ASM_OP): Define.
13056 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
13058 * cpplib.h (cpp_reader): Add new flag, no_directives.
13059 * cpphash.c (macarg): Set it.
13060 * cpplib.c (handle_directive): If no_directives is on and we
13061 find a directive, issue an error and discard the line.
13063 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
13065 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
13066 FP constants. Add ! TARGET_FPU check for FP constants.
13068 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
13070 * flow.c (find_basic_blocks): Don't kill label_value_list
13072 (cleanup_cfg): Kill it here.
13074 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13076 * expr.c (store_field): Ensure ALIGN is no stricter than the
13079 2000-02-02 Richard Henderson <rth@cygnus.com>
13081 * jump.c (delete_insn): Partially revert 19 Jan change;
13082 don't convert unused code labels to notes at -O0.
13084 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13086 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
13087 split_all_insns to recreate REG_LABEL notes for flow2 pass.
13089 2000-02-01 Richard Henderson <rth@cygnus.com>
13091 * i386.c (general_no_elim_operand): New.
13092 (nonmemory_no_elim_operand): New.
13093 (ix86_expand_move): Copy eliminable operands before a push.
13094 * i386-protos.h: Declare new functions.
13095 * i386.h (CAN_ELIMINATE): Simplify.
13096 (PREDICATE_CODES): Update.
13097 * i386.md (push insns): Don't allow eliminable register operands.
13099 2000-02-01 Richard Henderson <rth@cygnus.com>
13101 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
13102 replace BLKmode with DECL_RTL's mode.
13104 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
13106 * frame.c (find_fde): Convert for loop to do-while so compiler
13107 sees it's always executed at least once.
13108 * libgcc2.c (BBINBUFSIZE): Kill.
13109 (__bb_init_prg): Use fgets.
13110 (__bb_exit_trace_func): Don't paste strings.
13111 * unroll.c (unroll_loop): Initialize unroll_type, not
13112 unroll_number, and tweak logic to match.
13114 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
13116 (ix86_flags_dependant): Likewise. Disentangle control flow.
13117 (ix86_sched_reorder): Break guts out to
13118 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
13119 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
13122 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
13123 use string concatenation. Don't save and restore esi.
13125 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
13126 (machname.h): Remove script to separate file. Use two-step
13127 sequence so target is not created if script fails.
13128 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
13129 identifiers are defined.
13130 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
13131 an empty string, machine_name doesn't need to do anything at
13133 (is_cxx_header): Add more cases to regexp.
13134 * fixinc/fixlib.h: Update prototype.
13135 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
13137 * fixinc/fixincl.c: Define NO_BOGOSITY.
13139 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
13140 (hp_sysfile): Add missing comma.
13141 (math_exception): Put the wrapper ifdefs at the beginning and
13142 the end of the file.
13143 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
13145 2000-02-01 Richard Henderson <rth@cygnus.com>
13147 * sparc.c (fp_zero_operand): Turn into a normal predicate.
13148 Use CONST0_RTX. Update all callers.
13149 * sparc.h, sparc-protos.h: Update accordingly.
13150 * sparc.md (fp mov insns): Use fp_zero_operand directly
13153 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13155 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
13158 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13160 * Makefile.in (specs.ready): New target.
13161 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
13163 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13165 * fixinc.irix: Use unique filenames for writing into /tmp,
13166 * fixinc.ptx: Likewise.
13167 * fixinc.sco: Likewise.
13168 * fixinc.svr4: Likewise.
13169 * fixinc.winnt: Likewise.
13171 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13173 * tsystem.h: New file.
13175 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
13176 s-crtS): Depend on tsystem.h.
13178 * crtstuff.c: Include tsystem.h.
13179 * frame.c: Likewise.
13180 * libgcc2.c: Likewise.
13182 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
13184 * builtins.c (expand_builtin_memset): Expand for variable sized
13187 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
13189 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
13192 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13194 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
13196 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
13198 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
13200 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
13201 case 3->2 combining (combining with splitting) in which 2 is CC0
13202 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
13203 checked at the begining of the function with the aid of calling
13204 function 'can_combine_p'.
13206 2000-01-31 Dave Brolley <brolley@redhat.com>
13208 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
13210 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
13212 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
13215 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13217 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
13219 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
13222 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13224 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
13225 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
13226 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
13227 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
13228 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
13229 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
13230 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
13231 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
13232 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
13233 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
13235 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
13236 Add %(cpp_cpu) to CPP_SPEC.
13238 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
13239 Add %(cc1_cpu) to CC1_SPEC.
13241 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13243 * c-decl.c (c_decode_option): Accept optional numeric argument to
13244 -Wformat and set warn_format.
13245 * c-common.c: Don't emit warning about non-constant printf format
13246 string unless warn_format > 1.
13248 2000-01-30 Richard Henderson <rth@cygnus.com>
13250 * alpha.md (return_internal): Allow after reload only.
13252 2000-01-30 Richard Henderson <rth@cygnus.com>
13254 * i386.c (ix86_compute_frame_size): Omit padding1 if the
13255 local frame size is zero.
13257 2000-01-30 Richard Henderson <rth@cygnus.com>
13259 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
13260 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
13261 * alpha.md (return): Turn into an expander.
13262 (return_internal): Don't use $26.
13263 (epilogue): Emit the return insn.
13265 2000-01-30 Richard Henderson <rth@cygnus.com>
13267 * alpha.md (negtf2, abstf2): Fix word order thinko.
13268 (extendsftf2): New.
13269 (trunctfsf2): Avoid intermediate rounding errors.
13271 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13273 * cppfiles.c (find_position): Drop 'colp' argument, return the
13275 (read_and_prescan): Adjust to match. Don't ever manipulate
13276 line or line_base except via find_position.
13278 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13280 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13281 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13284 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13286 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13287 just print "<command line>". If 'filename' is null or an
13288 empty string, print "<stdin>" for the filename.
13289 * cpplib.c (do_define): Don't print the 'location of the
13290 previous definition' message if we're still parsing the
13292 (cpp_pedwarn_with_file_and_line): Always call
13293 cpp_file_line_for_message.
13295 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13297 * flow.c (mark_regs_live_at_end): Fix typo.
13299 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13301 * c-common.c: Adjust variable names, comments, help strings to c99.
13302 * c-lex.c: Likewise.
13303 * c-parse.y: Likewise.
13304 * c-tree.h: Likewise.
13305 * cccp.c: Likewise.
13306 * cpplib.h: Likewise.
13307 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13308 * cppinit.c: Likewise.
13310 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13312 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13313 * c4x.c: Define the optab rtx values.
13314 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13315 (c4x_emit_libcall): Use new optab rtx values.
13316 (c4x_emit_libcall3): Likewise.
13317 (c4x_emit_libcall_mulhi): Likewise.
13318 * c4x-protos.h: Add prototypes for optab rtx values and change
13319 prototypes for above c4x_emit_libcall functions.
13321 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13323 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13325 (c4x_function_prologue): Use regnames intead of float_reg_names when
13327 (c4x_function_epilogue): Likewise.
13328 (c4x_print_operand): Likewise.
13329 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13330 * c4x.md (set_high): Disable for TARGET_TI.
13332 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13334 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13335 of framepointer + constant to ADDR_REGS class.
13336 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13337 * c4x.c (std_or_reg_operand): New function.
13338 * c4x-protos.h (std_or_reg_operand): Prototype it.
13340 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13342 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13343 object names as libgcc2.c.
13344 * libgcc.S: Use newly defined names.
13346 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13347 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13349 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13350 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13351 (FLOW_LOOP_LAST_BLOCK): Likewise.
13353 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13355 * basic-block.h (struct loop): New fields 'first' and 'last'.
13356 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13357 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13358 and loop->last to check for NOTE_INSN_LOOP_END.
13360 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13362 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13363 of the loop descriptor rather than HEADER and LATCH. Also added
13364 missing break statements as well making some coding style modifications
13365 as suggested by Michael Hayes.
13367 2000-01-28 Richard Henderson <rth@cygnus.com>
13369 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13370 Break out that code ...
13371 (cleanup_cfg): ... here.
13372 (commit_one_edge_insertion): Detect a return instruction being
13373 emitted to an edge. Emit a barrier following; clear fallthru.
13374 (commit_edge_insertions): Verify CFG consistency.
13375 * function.c (expand_function_start): Kill unused variable.
13376 (expand_function_end): Likewise.
13377 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13378 to insert the epilogue.
13380 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13381 (delete_null_pointer_checks): Likewise.
13382 * output.h: Likewise.
13383 * reg-stack.c (reg_to_stack): Likewise.
13384 * toplev.c (rest_of_compilation): Likewise. Run
13385 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13387 2000-01-28 Richard Henderson <rth@cygnus.com>
13389 * Makefile.in (flow.o): Revert 24 Jan change.
13390 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13391 FUNCTION_VALUE result to DECL_RESULT's mode.
13393 * haifa-sched.c (schedule_insns): Don't recompute reg info
13396 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13398 * configure.in: Make --enable-cpplib the default.
13399 * configure: Regenerate.
13400 * gcc.dg/990119-1.c: No longer expected to fail.
13402 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13404 * jump.c (jump_optimize_1): Delete an optimization that is also done
13405 by merge_blocks in flow.
13407 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13409 * diagnostic.c (build_message_string, output_printf,
13410 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13411 (build_location_prefix): Fix non-literal format string.
13413 2000-01-27 Richard Henderson <rth@cygnus.com>
13415 * alpha.md (trunctfsf2): New.
13417 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13419 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13421 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13423 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13425 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13427 (skip_comment) ... here. Permit C++ comments in system
13428 headers always. Warn about C++ comments in user code under
13429 -std=gnu89 -pedantic.
13430 (copy_comment): Use skip_comment.
13431 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13433 (consider_directive_while_skipping, do_else, do_endif): Call
13434 validate_else unconditionally.
13435 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13436 text after the conditional in a system header.
13437 * cpplib.h (struct cpp_buffer): Add flag
13438 warned_cplusplus_comments.
13440 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13442 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13443 Use unshare_all_rtl_1.
13444 (unshare_all_rtl_again): New function.
13445 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13447 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13448 rather than resetting the 'used' flags ourself.
13450 * toplev.c (rest_of_compilation): Add current_function_decl
13451 to the unshare_all_rtl call.
13452 * tree.h: Prototype unshare_all_rtl.
13453 * rtl.h: Prototype unshare_all_rtl_again here.
13455 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13457 * genoutput.c (output_prologue): Include ggc.h in generated
13459 * Makefile.in (insn-output.o): Depends on ggc.h.
13461 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13462 Hans-Peter Nilsson <hp@bitrange.com>
13464 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13465 Remove redundant include of xm-ns32k.h.
13466 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13467 Remove redundant include of xm-ns32k.h.
13468 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13469 Remove redundant include of xm-ns32k.h.
13470 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13472 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13473 (TARGET_SWITCHES): Add documentation strings.
13474 (DWARF_FRAME_REGNUM): Override default definition.
13475 (REG_CLASS_CONTENTS): Add comments.
13476 (SUBSET_P): Format to reduce line length.
13477 (SMALL_REGISTER_CLASSES): Make a run time option.
13478 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13479 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13480 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13481 (regclass_map): fix typo in comment.
13482 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13483 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13484 (trace, reg_or_mem_operand): Delete, unused function.
13485 (calc_address_cost): Small offsets are cheaper than large ones.
13486 (expand_block_move): Generate more efficient code when bytes is a
13487 known at compile time.
13488 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13489 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13490 instead of reg_or_mem_operand.
13492 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13493 not general_operand. Similarly use "=rm" or stricter, not "=g".
13494 For input operands, use stricter constraints than "g" if not
13495 general_operand. Similarly use stricter predicate than
13496 "general_operand" when stricter constraints than "g" are present,
13497 except for matching constraints.
13498 (movstrsi): Use "memory_operand" for operands 0 and 1.
13499 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13500 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13501 not reg_or_mem_operand.
13502 (udivmoddisi4): Ditto.
13503 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13504 Use nonimmediate_operand for operand 3, not register_operand.
13505 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13506 reg_or_mem_operand.
13508 2000-01-27 Fred Fish <fnf@be.com>
13510 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13511 * gthr-single.h: Likewise.
13512 * gthr-solaris.h: Likewise.
13513 * gthr-vxworks.h: Likewise.
13514 * gthr-win32.h: Likewise.
13515 * gthr.h: Likewise.
13517 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13519 * cppinit.c: Add " (cpplib)" to end of string printed by
13522 2000-01-27 Richard Henderson <rth@cygnus.com>
13524 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13525 testing for a signed comparison.
13526 (alpha_emit_floatuns): New.
13527 * alpha-protos.h: Declare it.
13528 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13529 (extendsfdf2): Tidy.
13531 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13533 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13534 no -g option specifying debugging format, default to -gstabs+.
13536 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13538 * calls.c (special_function_p): New argument fork_or_exec.
13539 (expand_call): When profile_arc_flag is set and the function
13540 is in the fork_or_exec group, call __bb_fork_func first.
13541 * libgcc2.c, _bb module (__bb_fork_func): New function.
13542 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13544 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13545 * tree.h (special_function_p): Update prototype.
13547 2000-01-26 Richard Henderson <rth@cygnus.com>
13549 * alpha.c (alpha_split_tfmode_pair): New.
13550 * alpha-protos.h: Declare it.
13551 * alpha.md (abstf2, negtf2): New.
13552 (movtf insn): Add input G constraint.
13553 (movtf splitter): Use alpha_split_tfmode_pair.
13555 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13557 * i386/cygwin.h: PROTO -> PARAMS.
13559 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13561 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13562 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13563 using _Qp_cmp/_Q_cmp and testing the return value.
13564 (print_operand): Call reverse_condition_maybe_unordered if
13565 we are handling CCFPmode or CCFPEmode.
13566 Handle ORDERED, UN* and LTGT comparisons.
13567 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13568 if not TARGET_HARD_QUAD.
13569 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13570 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13571 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13572 Adjust gen_b* calls so that they reflect return comparison of
13573 sparc_emit_float_lib_cmp.
13575 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13577 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13578 incoming operands array is large enough for one more operand.
13579 (alpha_emit_xfloating_arith): Likewise.
13581 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13583 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13584 file with one line and no trailing newline.
13585 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13586 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13587 checking if the match is on the line.
13588 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13590 2000-01-25 Richard Henderson <rth@cygnus.com>
13592 * sparc.c (output_cbranch): Fix accidental squashing of the
13593 fp branch pre-delay nop.
13595 2000-01-25 Richard Henderson <rth@cygnus.com>
13597 * tree.def (UNNE_EXPR): Remove.
13598 * c-typeck.c (build_binary_op): Don't handle it.
13599 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13601 * rtl.def (UNNE): Remove.
13603 * jump.c (reverse_condition): Update accordingly.
13604 (swap_condition): Likewise.
13605 (comparison_dominates_p): Handle unordered comparisons.
13606 (reverse_condition_maybe_unordered): New.
13607 * rtl.h (reverse_condition_maybe_unordered): Declare.
13609 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13610 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13611 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13612 * sparc.md (bltgt): New.
13614 2000-01-25 Nick Clifton <nickc@redhat.com>
13616 * emit-rtl.c (emit_insn): Only check machine class insns for
13617 improper emission of a RETURN.
13619 2000-01-25 Richard Henderson <rth@cygnus.com>
13621 * Makefile.in (flow.o): Depend on $(EXPR_H).
13622 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13623 duplicate the structure of diddle_return_value for keeping regs live.
13625 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13627 * loop.c (current_loop_info): Delete.
13628 (consec_sets_invariant_p): Add loop argument, update callers.
13629 (get_condition_for_loop): Likewise.
13630 (count_nonfixed_reads, update_giv_derive): Likewise.
13631 (simplify_giv_expr, general_induction_var): Likewise.
13632 (consec_sets_giv, recombine_givs): Likewise.
13633 (move_movables): Delete loop_start and loop_end arguments,
13634 add loop argument, and update callers.
13635 (find_mem_givs, check_final_value): Likewise.
13636 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13637 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13639 (basic_induction_var): Add loop argument, delete loop_level argument,
13640 and update callers.
13641 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13642 add loop argument, and update callers.
13643 (find_splittable_regs, find_splittable_givs): Likewise.
13644 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13645 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13646 (biv_total_increment): Delete loop_start and loop_end arguments;
13648 (precondition_loop_p): Delete loop_start and loop_info arguments;
13650 * loop.h (get_condition_for_loop): Add loop argument.
13651 (biv_total_increment): Delete loop_start and loop_end arguments.
13652 (precondition_loop_p): Delete loop_start and loop_info arguments;
13654 (final_biv_value): Delete loop_start and loop_end arguments;
13656 (final_giv_value, back_branch_in_range_p): Likewise.
13658 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13660 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13662 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13664 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13665 point to the new "generated_files" doc.
13667 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13669 * config/fp-bit.c (_unord_f2): Fix typo.
13671 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13673 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13674 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13675 functions obsoleted by GC, such as push_obstacks_nochange,
13676 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13677 and code which existed only to decide whether or not to call
13678 them. Remove now-unused NESTED argument from start_function;
13679 all callers changed. Do not change behavior based on ggc_p.
13680 The use of the ixp_obstack in c-iterate.c and the util_obstack
13681 in objc/objc-act.c remain; these are not obsoleted by garbage
13683 * c-tree.h: Update prototype for start_function.
13685 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13687 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13689 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13692 2000-01-25 Richard Henderson <rth@cygnus.com>
13694 * sparc-protos.h (select_cc_mode): Declare.
13695 * sparc.c (select_cc_mode): New. Handle unordered compares.
13696 (output_cbranch): Always reverse via code change. Handle
13697 unordered compares. Factor tests and string updates.
13698 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13699 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13700 * sparc.md (bunordered, bordered): New.
13701 (bungt, bunlt, buneq, bunge, bunle): New.
13703 2000-01-25 Richard Henderson <rth@cygnus.com>
13705 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13706 * ggc-common.c (ggc_add_rtx_varray_root): New.
13707 (ggc_mark_rtx_varray): New.
13708 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13709 functions down below ggc_mark_foo.
13710 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13712 2000-01-25 Richard Henderson <rth@cygnus.com>
13714 * alpha.c (secondary_reload_class): Don't allocate a secondary
13715 for integral mode memories into FLOAT_REGS. Rearrange the more
13716 complicated memory expression inward.
13718 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13720 * inclhack.def: Fixes to play nicer with FreeBSD, and
13721 corrections to comments.
13722 (cxx_unready): Add select expression.
13723 (irix_sockaddr): Add bypass expression.
13724 (machine_ansi_h_va_list): New fix.
13725 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13726 Split out addition of "#include <stdarg.h>" to...
13727 (stdio_stdarg_h): ... here.
13728 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13729 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13730 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13732 (ultrix_ifdef): Tighten up select expression.
13734 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13735 re_ct and max_mach to avoid use of shell. Make printed names
13736 match names in inclhack.def. Use static copyright date.
13737 Don't count c_test and test expressions as requiring regex_t
13738 slots. Add some commentary.
13739 * inclhack.tpl: Do not include the 'This script contains N
13740 fixup scripts' line if PROGRAM is defined. Use static
13743 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13745 * dwarf2out.c: include "varray.h", not dyn-string.h.
13746 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13747 (addr_const_to_string, addr_to_string): Lose.
13748 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13749 (struct dw_val_struct): val_addr is now an rtx.
13750 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13751 (used_rtx_varray): New varray.
13752 (dwarf2out_init): Initialize it.
13753 (save_rtx): New fn.
13754 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13756 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13757 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13758 * Makefile.in (dwarf2out.o): Update dependencies.
13760 2000-01-24 Richard Henderson <rth@cygnus.com>
13762 * i386.c (i386_dwarf_output_addr_const): New.
13763 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13765 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13767 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13768 * i386.c (i386_simplify_dwarf_addr): New.
13769 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13771 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13773 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13774 TYPE_STUB_DECL is NULL.
13776 2000-01-24 Richard Henderson <rth@cygnus.com>
13778 * builtins.c (expand_tree_builtin): Move ...
13779 * c-common.c (expand_tree_builtin): ... here.
13781 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13783 * loop.h (LOOP_INFO): New accessor macro.
13784 * basic-block.h (struct loop): Rename field `info' to `aux'.
13785 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13786 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13787 * unroll.c (loop_iterations, unroll_loop): Likewise.
13789 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13791 * config/i386/t-cygwin: Accomodate new winsup directory layout
13792 when searching for include files.
13794 2000-01-24 Richard Henderson <rth@cygnus.com>
13796 * rtl.def: Add unordered fp comparisions.
13797 * tree.def: Likewise.
13798 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13800 * builtins.c (expand_tree_builtin): New function.
13801 * c-typeck.c (build_function_call): Use it.
13802 (build_binary_op): Support unordered compares.
13803 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13805 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13806 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13807 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13808 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13809 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13811 (swap_condition): Handle unordered compares.
13812 (thread_jumps): Check can_reverse before reversing.
13813 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13816 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13817 setcc is present before acking for cmp_optab. Update all callers.
13818 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13819 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13820 * expr.c (expand_expr): Likewise. Support unordered compares.
13821 (do_jump, do_store_flag): Likewise.
13822 * expr.h (enum libfunc_index): Add unordered compares.
13824 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13825 (DPBIT_FUNCS): Add _unord_df.
13826 * config/fp-bit.c (_unord_f2): New.
13827 * fp-test.c (main): Try unordered compare builtins.
13829 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13830 * alpha.c (alpha_comparison_operator): Check mode properly.
13831 (alpha_swapped_comparison_operator): Likewise.
13832 (signed_comparison_operator): Likewise.
13833 (alpha_fp_comparison_operator): New.
13834 (alpha_emit_conditional_branch): Handle unordered compares.
13835 * alpha.h (PREDICATE_CODES): Update.
13836 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13837 (bunordered, bordered): New.
13839 2000-01-24 Richard Henderson <rth@cygnus.com>
13841 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13842 * alpha.md (movtf): New expander, insn, and splitter.
13844 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13846 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13849 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13851 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13852 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13853 REG_ALLOC_ORDER): Add frame pointer
13854 (FRAME_POINTER_REGNUM): Set to 20
13855 (HARD_FRAME_POINTER_REGNUM): New macro.
13856 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13857 to HARD_FRAME_POINTER.
13858 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13859 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13860 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13861 (HI_REGISTER_NAMES): Add "frame".
13862 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13863 (debug_reg): Handle FRAME_POINTER_REGNUM.
13864 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13865 GENERAL_REGS and INDEX_REGS.
13866 * i386.c (SAVED_REGS_FIRST): new macro.
13867 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13868 (ix86_decompose_address, memory_address_length): Likewise.
13869 (regclass_map): Add frame pointer.
13870 (call_insn_operand): Handle frame_pointer_rtx.
13871 (reg_no_sp_operand): Likewise.
13872 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13873 (print_operand, legitimize_pic_address): Fix formating.
13874 (ix86_compute_frame_size): Make static, update prototype, new
13875 parameters padding1, padding2, use ix86_nsaved_regs, use
13876 stack_alignment_needed.
13877 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13878 to HARD_FRAME_POINTER_REGNUM conversions.
13879 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13880 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13881 (print_reg): Abort on FRAME_POINTER_REGNUM
13883 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13885 * i386.h (PREDICATE_CODES): Add aligned_operand.
13886 * i386.c (aligned_operand): New function.
13887 (ix86_aligned_p): Kill.
13888 * i386.md (movhi_1): Emit mov for aligned operands.
13889 (promoting peep2s): Use aligned_operand.
13891 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13893 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13894 expression to allow underscores in macro names.
13895 (fix_char_macro_defines): Increment scanning pointer.
13897 2000-01-23 Richard Henderson <rth@cygnus.com>
13899 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13900 * alpha/osf5.h: New file.
13901 * configure.in (alpha-*-osf5): Add it to tm_file.
13903 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13905 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13906 (alpha_emit_xfloating_cvt, function_arg): Declare.
13907 * alpha.c (alpha_emit_conditional_branch): Call
13908 alpha_emit_xfloating_compare for TFmode compares.
13909 (alpha_lookup_xfloating_lib_func): New.
13910 (alpha_compute_xfloating_mode_arg): New.
13911 (alpha_emit_xfloating_libcall): New.
13912 (alpha_emit_xfloating_arith): New.
13913 (alpha_emit_xfloating_compare): New.
13914 (alpha_emit_xfloating_cvt): New.
13915 (print_operand): Add default abort case.
13916 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13917 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13918 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13919 (RETURN_IN_MEMORY): True for TF/TCmode.
13920 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13921 (FUNCTION_ARG): Move to function_arg.
13922 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13923 (ASM_OUTPUT_LONG_DOUBLE): New.
13924 (ASM_OUTPUT_DOUBLE): Always output bits.
13925 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13926 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13927 (extenddftf2, trunctfdf2): New.
13929 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13931 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13932 * config/sparc/sol2.h: ... here.
13934 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13936 * basic-block.h (struct loops): New field `levels'.
13937 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13938 (flow_loop_level_compute): Initialise level to 1.
13939 (flow_loops_find): Set loops->levels.
13940 (flow_loops_dump): Print loops->levels.
13942 2000-01-23 Richard Henderson <rth@cygnus.com>
13944 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13945 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13947 2000-01-23 Richard Henderson <rth@cygnus.com>
13949 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13950 * i386.h (DBX_REGISTER_NUMBER): Use them.
13951 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13952 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13953 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13954 * i386/sequent.h: Kill incorrect comment.
13956 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13958 * ggc-page.c (struct page_entry): Make `context_depth' an
13960 (struct globals): Likewise.
13962 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13964 * loop.c (check_dbra_loop): When checking a loop for
13965 reversability, check the source of any stores to ensure
13966 they don't depend on an initial value.
13968 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13970 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13972 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13974 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13975 'pz_scan' into scope of entire function. Only affects
13976 compiles with -DDEBUG.
13978 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13980 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13981 section naming to that prior to 2000-01-07 patch.
13982 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13983 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13984 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13985 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13986 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13988 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13990 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13993 2000-01-21 Jim Wilson <wilson@cygnus.com>
13995 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13996 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13998 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14000 * cpphash.c (change_newlines): Delete function.
14001 (struct argdata): Delete 'newlines' and 'use_count' fields.
14002 (macroexpand): Remove code referencing those fields.
14004 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14006 * loop.c (loops_info): New variable.
14007 (loop_optimize): Allocate loops->array and free it on exit.
14008 Allocate memory for loops_info and assign to each loop,
14010 (find_and_verify_loops): Do not allocate loops->array.
14012 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14014 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
14016 2000-01-21 Jakub Jelinek <jakub@redhat.com>
14018 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
14019 pseudos if expanded after first flow.
14020 (movdi_pic_label_ref): Likewise.
14022 2000-01-20 Richard Henderson <rth@cygnus.com>
14024 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
14026 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
14028 * Makefile.in (fixinc.sh): Depend on specs.
14029 * fixinc/Makefile.in: Add rule to create machname.h.
14030 (fixlib.o): Depend on machname.h.
14031 * fixinc/fixtests.c (machine_name): New test.
14032 * fixinc/fixfixes.c (machine_name): New fix.
14033 * fixinc/fixlib.c (mn_get_regexps): New helper function for
14034 the machine_name test and fix.
14035 * fixinc/fixlib.h: Prototype it.
14036 * fixinc/inclhack.def (machine_name): Use the C test and fix.
14037 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
14039 * gcc.c (do_spec_1) [case P]: Take care not to create
14040 identifiers with three leading or trailing underscores.
14042 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
14043 (fixincl): Don't specify libraries twice on link line.
14044 (gnu-regex.o): Remove special rule.
14045 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
14046 defined by config.h. Do not define _REGEX_RE_COMP.
14047 (regcomp): Allocate and initialize a fastmap.
14048 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
14050 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
14052 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
14054 2000-01-19 Richard Henderson <rth@cygnus.com>
14056 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
14057 arguments with BB. Update all callers. Tidy line wrapping.
14059 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
14061 * emit-rtl.c (try_split): Return last_insn if we split the
14064 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
14066 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
14067 (ix86_initial_elimination_offset): Declare.
14068 * i386.c (ix86_nsaved_regs): Break out from ...
14069 (ix86_can_use_return_insn_p): ... here.
14070 (ix86_emit_save_regs): Break out from ...
14071 (ix86_expand_prologue): ... here.
14072 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
14074 (ix86_expand_epilogue): ... here.
14075 (ix86_compute_frame_size): Make static, add prototype.
14076 (ix86_initial_elimination_offset): Break out from ...
14077 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
14079 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14081 * recog.h (OUT_FCN): Delete.
14083 * vax.md: Call `get_insn_template' instead of OUT_FCN.
14085 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14087 * cppalloc.c: PROTO -> PARAMS.
14088 * cpperror.c: Likewise.
14089 * cppfiles.c: Likewise.
14090 * cpplib.c: Likewise.
14091 * cpplib.h: Likewise.
14093 * config/arm/arm-protos.h: PROTO -> PARAMS.
14094 * config/arm/arm.c: Likewise.
14095 * config/c4x/c4x.c: Likewise.
14096 * config/fr30/fr30-protos.h: Likewise.
14097 * config/nextstep.c: Likewise.
14098 * config/pa/pa.c: Likewise.
14099 * config/pj/pj.c: Likewise.
14100 * config/rs6000/rs6000.c: Likewise.
14101 * config/v850/v850-protos.h: Likewise.
14102 * config/v850/v850.c: Likewise.
14104 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14106 * i370-protos.h: New file.
14108 * i370.c: Include tm_p.h. Fix compile time warnings.
14110 * i370.h: Move prototypes to i370-protos.h. Fix compile time
14113 * i370.md: Likewise.
14115 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14117 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
14118 (target_isinf, target_isnan, eisnan): Mark parameter with
14120 (eiisinf): Wrap in INFINITY.
14121 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
14122 (ibmtoe): Remove unused variable `rndsav'.
14124 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14126 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
14127 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
14129 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
14131 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
14132 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
14133 (fix_char_macro_defines, fix_char_macro_uses): New functions.
14135 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
14136 Recognize Emacs mode markers also.
14137 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
14138 C++ comments in C++ headers. Call is_cxx_header only if
14141 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
14142 bypass for ncurses.
14143 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
14144 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
14145 ... these, which use the new C fixes.
14146 (math_exception): Escape literal '+' in bypass expression.
14148 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
14151 2000-01-19 Geoff Keating <geoffk@cygnus.com>
14153 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
14156 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14158 * loop.c (loop_optimize): Allocate loop_info structure for each loop
14159 prior to calling scan_loop.
14161 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14163 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
14164 (split_branches, calc_live_regs): Likewise.
14166 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14168 * sh.md (fpu_single, fp_mode): New attributes.
14170 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14172 * loop.c (current_loop_info): Renamed from loop_info_data
14173 and changed to a pointer.
14174 (loop_optimize): Allocate loop_info structure for each loop
14175 and initialise to zero.
14176 (scan_loop): Set current_loop_info.
14178 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
14181 2000-01-19 Richard Henderson <rth@cygnus.com>
14183 * stupid.c: Die die die.
14184 * Makefile.in (OBJS): Remove stupid.o.
14185 (stupid.o): Likewise.
14187 * except.c (emit_eh_context): Don't emit USEs for stupid.
14188 * explow.c (probe_stack_range): Likewise.
14189 * flags.h (obey_regdecls): Remove.
14190 * flow.c (find_basic_blocks): Don't run try_merge_blocks
14191 when not optimizing.
14192 (life_analysis): Limit data collection when not optimizing.
14193 (mark_regs_live_at_end): Always mark the return value registers.
14194 (mark_used_regs): Remove dummy RETURN case.
14195 (print_rtl_with_bb): Don't consult obey_regdecls.
14196 * function.c (use_variable, use_variable_after): Remove.
14197 (assign_parms): Consult optimize not obey_regdecls.
14198 (expand_function_start): Don't emit USEs for stupid.
14199 (expand_function_end): Likewise.
14200 * global.c (build_insn_chain): Export.
14201 * integrate.c (expand_inline_function): Kill return-value USE
14203 * jump.c (jump_optimize_1): Do simple jump optimizations and
14204 dead code elimination.
14205 (calculate_can_reach_end): Remove check_deleted argument.
14206 (delete_insn): Patch out insns even when not optimizing.
14207 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
14208 * rtl.h (use_variable, use_variable_after): Remove declarations.
14209 (build_insn_chain): Declare.
14210 * stmt.c (expand_value_return): Don't emit USEs for stupid.
14211 (expand_end_bindings): Likewise.
14212 (expand_decl): Likewise. Consult optimize not obey_regdecls.
14213 * toplev.c (obey_regdecls): Remove.
14214 (rest_of_compilation): Don't set it. Kill stupid in favour of
14215 flow1, local-alloc, and reload.
14216 (main): Don't set obey_regdecls.
14218 * config/nextstep.c (handle_pragma): Likewise.
14220 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
14222 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
14224 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14226 * alpha-protos.h: PROTO -> PARAMS.
14227 * alpha.c: Likewise.
14229 * h8300.c: Likewise.
14230 * i386-protos.h: Likewise.
14231 * i386.c: Likewise.
14232 * m32r-protos.h: Likewise.
14233 * m32r.c: Likewise.
14234 * mips.c: Likewise.
14235 * mips.md: Likewise.
14236 * gmon-sol2.c: Likewise.
14237 * sparc.c: Likewise.
14239 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14241 * ns32k-protos.h: New file.
14243 * ns32k.c: Fix compile time warnings.
14245 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
14248 * ns32k.md: Likewise.
14250 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14252 * vax-protos.h: New file.
14254 * vax.c: Fix compile time warnings.
14256 * vax.h: Move prototypes to vax-protos.h. Fix compile time
14259 * vax.md: Likewise.
14261 * vaxv.md: Likewise.
14263 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14265 * romp-protos.h: New file.
14267 * romp.c: Fix compile time warnings.
14269 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14272 * romp.md: Likewise.
14274 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14276 * we32k-protos.h: New file.
14278 * we32k.c: Fix compile time warnings.
14280 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14283 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14285 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14287 * except.c (eh_regs): Likewise.
14289 * final.c (output_operand): Likewise.
14291 * fold-const.c (target_isinf, target_isnan): Likewise.
14293 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14295 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14296 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14298 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14299 when optimize_size.
14300 (clrstrsi): Rewrite.
14301 (strsethi, strsetqi): New expanders.
14302 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14303 (cmpstrsi): Emit compare insn before cmpstrsi_1
14304 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14305 (strlensi_1): Likewise.
14306 (cmpstrsi_1): Likewise; do not output compare.
14307 (strlen expander): Do not unroll when optimizing for size.
14308 (*subsi3_carry): Rename to subsi3_carry
14309 (addqi3_cc): New pattern.
14310 * i386.h (processor_costs): Add move_ratio field.
14311 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14312 * i386.c (*_cost): Set move_ratio.
14313 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14314 (x86_expand_strlensi_1): Rewrite the main loop.
14316 2000-01-17 Richard Henderson <rth@cygnus.com>
14318 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14319 * cse.c (find_comparison_args, fold_rtx): Likewise.
14320 * integrate.c (subst_constants): Likewise.
14321 * loop.c (get_condition): Likewise.
14323 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14325 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14327 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14329 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14330 (RESTORE_WARN_FLAGS): Unpack it.
14331 Change semantic type of extension to ttype.
14332 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14333 * c-parse.y, c-parse.c, objc/objc-parse.y,
14334 objc/objc-parse.c: Regenerate.
14336 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14338 * fixinc/fixlib.c: Add copyright notice.
14339 (compile_re): New function.
14340 * fixinc/fixlib.h: Prototype compile_re.
14342 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14343 Use compile_re to compile regular expressions.
14345 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14346 where the pattern matched.
14348 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14350 (ultrix_ansi_compat): Likewise.
14351 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14353 (interactv_add2, interactv_add3): Delete.
14354 (x11_sprintf): Don't use filename glob.
14355 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14358 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14360 * print-rtl.c: PROTO -> PARAMS.
14361 * real.c: Likewise.
14362 * reg-stack.c: Likewise.
14363 * resource.c: Likewise.
14364 * sdbout.h: Likewise.
14365 * simplify-rtx.c: Likewise.
14366 * stor-layout.c: Likewise.
14367 * stupid.c: Likewise.
14368 * xcoffout.c: Likewise.
14369 * xcoffout.h: Likewise.
14371 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14373 * toplev.c: PROTO -> PARAMS.
14374 * toplev.h: Likewise.
14375 * tree.c: Likewise.
14376 * tree.h: Likewise.
14377 * unroll.c: Likewise.
14378 * varasm.c: Likewise.
14379 * varray.c: Likewise.
14380 * varray.h: Likewise.
14382 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14384 * reload.c: PROTO -> PARAMS.
14385 * reload.h: Likewise.
14386 * reload1.c: Likewise.
14387 * reorg.c: Likewise.
14388 * resource.h: Likewise.
14391 * rtlanal.c: Likewise.
14392 * sbitmap.h: Likewise.
14393 * sdbout.c: Likewise.
14394 * stack.h: Likewise.
14395 * stmt.c: Likewise.
14396 * system.h: Likewise.
14398 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14400 * machmode.h: PROTO -> PARAMS.
14401 * mbchar.h: Likewise.
14402 * mips-tdump.c: Likewise.
14403 * mips-tfile.c: Likewise.
14404 * optabs.c: Likewise.
14405 * output.h: Likewise.
14406 * prefix.c: Likewise.
14407 * profile.c: Likewise.
14408 * protoize.c: Likewise.
14409 * real.h: Likewise.
14410 * recog.c: Likewise.
14411 * recog.h: Likewise.
14412 * regclass.c: Likewise.
14413 * regmove.c: Likewise.
14414 * regs.h: Likewise.
14416 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14418 * ggc-common.c: PROTO -> PARAMS.
14419 * ggc-page.c: Likewise.
14420 * ggc-simple.c: Likewise.
14422 * global.c: Likewise.
14423 * graph.c: Likewise.
14424 * gthr-win32.h: Likewise.
14425 * haifa-sched.c: Likewise.
14426 * halfpic.h: Likewise.
14427 * integrate.c: Likewise.
14428 * integrate.h: Likewise.
14429 * jump.c: Likewise.
14431 * local-alloc.c: Likewise.
14432 * loop.c: Likewise.
14433 * loop.h: Likewise.
14435 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14437 * genattr.c: PROTO -> PARAMS.
14438 * genattrtab.c: Likewise.
14439 * gencheck.c: Likewise.
14440 * gencodes.c: Likewise.
14441 * genconfig.c: Likewise.
14442 * genemit.c: Likewise.
14443 * genextract.c: Likewise.
14444 * genflags.c: Likewise.
14445 * gengenrtl.c: Likewise.
14446 * genopinit.c: Likewise.
14447 * genoutput.c: Likewise.
14448 * genpeep.c: Likewise.
14449 * genrecog.c: Likewise.
14451 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14453 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14455 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14457 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14458 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14459 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14460 * configure, config.in: Rebuilt.
14462 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14464 * config/i386/i386.md: Add peephole to merge successive stack
14467 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14469 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14470 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14471 when walking backwards to find all the parameter loads when
14472 the basic block ends in a call.
14474 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14476 * loop.c (this_loop_info): Delete.
14477 (uid_loop): Add in place of uid_loop_num. All uses updated.
14478 (loop_number_exit_count): Delete and replace with entry in loop
14479 structure. All uses updated.
14480 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14481 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14482 (loop_outer_loop): Likewise.
14483 (loop_invalid, loop_number_exit_labels): Likewise.
14484 (loop_used_count_register): Delete and replace with entry in
14485 loop_info structure.
14486 (find_and_verify_loops): Add loops argument.
14487 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14488 loop_end, etc. arguments with loop structure pointer. All callers
14490 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14491 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14492 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14493 (insert_bct): Likewise.
14494 (basic_induction_var): New argument level.
14495 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14496 vtop, and cont. Add used_count_register.
14497 (uid_loop): Delete declaration.
14498 (loop_number_exit_count): Likewise.
14499 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14500 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14501 (loop_outer_loop, loop_used_count_register): Likewise.
14502 (loop_invalid, loop_number_exit_labels): Likewise.
14503 (unroll_loop): Replace loop_start and loop_end arguments
14504 with loop structure pointer.
14505 (loop_precondition_p, loop_iterations): Likewise.
14506 Include basic-block.h.
14507 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14508 with loop structure pointer.
14509 (loop_precondition_p, loop_iterations): Likewise.
14510 * basic-block.h (struct loop): New entries vtop, cont,
14511 cont_dominator, start, end, top, scan_start, exit_labels,
14513 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14515 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14517 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14519 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14521 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14523 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14525 * pdp11-protos.h: New file.
14527 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14530 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14533 * pdp11.md: Likewise.
14535 * 2bsd.h: Likewise.
14537 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14539 * mn10300-protos.h: New file.
14541 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14544 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14547 * mn10300.md: Likewise.
14549 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14551 * mn10200-protos.h: New file.
14553 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14556 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14559 * mn10200.md: Likewise.
14561 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14563 * h8300-protos.h: New file.
14565 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14568 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14571 * h8300.md: Likewise.
14573 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14575 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14576 (asm_emit_uninitialised): Likewise.
14578 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14580 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14581 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14583 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14585 * config/mips/mips.c (override_options): Don't turn on extra
14586 alignment for mips16.
14588 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14590 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14591 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14594 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14596 * builtins.c (PAD_VARARGS_DOWN): Define.
14597 (std_expand_builtin_va_arg): Use the above macro.
14598 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14599 * tm.texi (Register Arguments): Document the above macro.
14601 2000-01-14 Nick Clifton <nickc@cygnus.com>
14603 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14604 that this function has not been used to emit a jump
14607 * jump.c (return_jump_1): Cope with being passed a null rtx.
14609 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14611 * eh-common.h: PROTO -> PARAMS.
14612 * emit-rtl.c: Likewise.
14613 * errors.c: Likewise.
14614 * errors.h: Likewise.
14615 * except.c: Likewise.
14616 * except.h: Likewise.
14617 * explow.c: Likewise.
14618 * expmed.c: Likewise.
14619 * expr.c: Likewise.
14620 * expr.h: Likewise.
14621 * final.c: Likewise.
14622 * fix-header.c: Likewise.
14623 * flow.c: Likewise.
14624 * fold-const.c: Likewise.
14625 * function.c: Likewise.
14626 * function.h: Likewise.
14628 * gcov-io.h: Likewise.
14629 * gcov.c: Likewise.
14630 * gcse.c: Likewise.
14632 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14634 * sh-protos.h: New file.
14636 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14637 Add static prototypes. Fix compile time warnings.
14639 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14643 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14645 * arc-protos.h: New file.
14647 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14650 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14653 * arc.md: Likewise.
14655 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14657 * dsp16xx-protos.h: New file.
14659 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14662 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14665 * dsp16xx.md: Likewise.
14667 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14669 * convex-protos.h: New file.
14671 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14674 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14677 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14679 * elxsi-protos.h: New file.
14681 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14684 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14687 * elxsi.md: Likewise.
14689 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14691 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14692 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14693 match the comment for MIPS16.
14695 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14697 * flow.c (split_edge): Do not call set_block_for_insn if we
14698 do not have a basic_block_for_insn structure.
14700 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14701 and destination functions are 32bit aligned within the trampoline.
14702 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14703 (TRAMPOLINE_ALIGNMENT): Define.
14705 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14706 (set (pc) (label_ref)), verify the change creates a valid insn.
14708 * fr30.c (call_operand): Tighten and rework to match rules for
14709 call RTL expressions.
14710 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14711 * fr30.md (call patterns): Improve constraints.
14713 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14715 * fr30.c (fr30_expand_epilogue): Revert last change.
14716 Use emit_jump_insn for the return insn.
14718 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14719 Stan Cox <scox@cygnus.com>
14721 * predict.c: New file. Preliminary infrastructure work for static
14722 branch prediction and basic block reordering.
14723 * basic-block.h: Add prototype for estimate_probability.
14724 * Makefile.in: Add rules for predict.o.
14726 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14728 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14729 * fixinc/*: Likewise.
14731 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14733 * cccp.c: PROTO -> PARAMS.
14734 * cexp.y: Likewise.
14735 * collect2.c: Likewise.
14736 * combine.c: Likewise.
14737 * convert.h: Likewise.
14739 * dbxout.c: Likewise.
14740 * dbxout.h: Likewise.
14741 * diagnostic.c: Likewise.
14742 * doprint.c: Likewise.
14743 * dwarf2out.c: Likewise.
14744 * dwarf2out.h: Likewise.
14745 * dwarfout.c: Likewise.
14746 * dwarfout.h: Likewise.
14747 * dyn-string.h: Likewise.
14749 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14751 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14752 macro conditionals guarding use.
14754 * dwarf2out.c: Include "tm_p.h".
14756 * function.c (locate_and_pad_parm): Mark parameter with
14758 (expand_function_end): Likewise for variable `context'.
14760 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14762 2000-01-13 Nick Clifton <nickc@cygnus.com>
14764 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14765 register to prevent compile time warnings.
14767 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14769 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14770 to avoid -Wtraditional warning.
14772 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14774 * 1750a-protos.h: New file.
14776 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14779 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14782 * 1750a.md: Likewise.
14784 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14786 * a29k-protos.h: New file.
14788 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14791 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14794 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14796 * clipper-protos.h: New file.
14798 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14801 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14804 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14806 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14808 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14810 * configure.in (--enable-new-gxx-abi): New option.
14811 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14812 * Makefile.in (GXX_ABI_FLAG): New variable.
14813 * configure: Regenerate.
14815 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14817 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14818 * tm.texi (FORCE_STRUCT_BLK): Document.
14819 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14821 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14823 * config/ns32k/ns32k.md: Revert Jan 9 change.
14825 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14826 to a mode-test, if the predicate is address_operand.
14828 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14830 * combine.c (if_then_else_cond): Be careful about what kinds
14831 of RTL expressions are passed to operand_subword.
14833 * flow.c (split_edge): If we have to insert a new jump, make
14834 sure to associate it with a basic block.
14836 * flow.c (commit_one_edge_insertion): A block with one successor
14837 can end in a JUMP_INSN that is not a simplejump.
14839 2000-01-12 Robert Lipe <robertl@sco.com>
14841 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14842 (BUILD_VA_LIST_TYPE): Define.
14843 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14846 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14848 * cccp.c (do_pragma): Add cast to (char *).
14850 2000-01-12 Richard Henderson <rth@cygnus.com>
14851 Fred Fish <fnf@be.com>
14852 Jason Merrill <jason@cygnus.com>
14854 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14855 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14856 * i386/beos-elf.h, i386/beos-pe.h: New files.
14858 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14859 * cross-make (SYSTEM_HEADER_DIR): Define using
14860 CROSS_SYSTEM_HEADER_DIR.
14862 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14863 (process_command): Use it.
14864 (main): Likewise. Kill trailing = from env vars.
14865 (build_search_list): Put it back.
14866 * collect2.c (main): Use LIBRARY_PATH_ENV.
14868 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14869 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14871 * tm.texi (Frame Layout): Document SMALL_STACK.
14872 * c-common.c (c_common_nodes_and_builtins): Check it.
14874 * system.h: Undef alloca after including glibc's <stdlib.h>,
14875 if USE_C_ALLOCA is defined.
14877 * gcc.c (set_input): New fn.
14878 (main): After all input files are compiled, reset the input file
14881 * aclocal.m4 (rindex, index): If already defined, don't attempt
14884 * ginclude/varargs.h: (__va_list__): Define ifndef.
14885 * ginclude/stdarg.h: Likewise.
14887 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14888 instead of unsigned char.
14890 * hash.h (true, false, boolean): Undef before enum.
14892 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14893 proper type of "HOST_WIDE_INT *", rather than their natural type of
14894 "unsigned HOST_WIDE_INT *".
14896 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14898 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14900 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14902 * regclass.c (choose_hard_reg_mode): Likewise.
14904 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14906 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14908 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14910 * c-common.c: PROTO -> PARAMS.
14911 * c-common.h: Likewise.
14912 * c-decl.c: Likewise.
14913 * c-iterate.c: Likewise.
14914 * c-lang.c: Likewise.
14915 * c-lex.c: Likewise.
14916 * c-lex.h: Likewise.
14917 * c-parse.in: Likewise.
14918 * c-pragma.c: Likewise.
14919 * c-pragma.h: Likewise.
14920 * c-tree.h: Likewise.
14921 * c-typeck.c: Likewise.
14922 * objc/objc-act.c: Likewise.
14923 * objc/objc-act.h: Likewise.
14925 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14927 * m88k-protos.h: New file.
14929 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14932 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14934 * m88k.md: Likewise.
14936 * tekXD88.h: Likewise.
14938 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14940 * m68k-protos.h: New file.
14942 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14945 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14947 * mot3300.h: Likewise.
14949 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14951 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14953 (extract_bitlist): Declare bitlen.
14955 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14957 * cccp.c: Accept and ignore -lang-fortran.
14959 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14960 qualifiers don't match at any level of pointerness.
14962 2000-01-12 Robert Lipe <robertl@sco.com>
14964 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14966 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14968 * reload1.c (reload_reg_unavailable): New static variable.
14969 (reload_reg_free_p): Test it.
14970 (reload_reg_free_for_value_p): Test it instead of
14972 (choose_reload_regs_init): Compute it.
14974 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14976 * reorg.c (fill_slots_from_thread): Check modified_in_p
14979 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14981 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14982 these nodes even if INTERNALS is not set.
14984 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14986 * gcse.c (delete_null_pointer_checks_1): Cope when
14987 get_condition cannot determine the condition.
14989 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14991 * toplev.h (set_message_length): Declare.
14993 * diagnostic.c (obstack_chunk_alloc): Define macro.
14994 (obstack_chunk_free): Likewise.
14995 (struct output_buffer): New data structure.
14996 (vmessage): Remove.
14997 (output_maximum_width): New variable.
14998 (doing_line_wrapping, set_message_length, init_output_buffer,
14999 get_output_prefix, output_space_left, emit_output_prefix,
15000 output_newline, output_append, output_puts, dump_output,
15001 vbuild_message_string, build_message_string, build_location_prefix,
15002 voutput_notice, output_printf, line_wrapper_printf,
15003 vline_wrapper_message_with_location): New functions. Implement
15004 automatic line wrapping.
15005 (v_message_with_decl): Make it handle automatic line wrapping.
15006 (v_error_with_file_and_line): Likewise.
15007 (v_warning_with_file_and_line): Likewise.
15008 (announce_function): Likewise.
15009 (default_print_error_function): Likewise.
15011 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
15013 * cpplib.h (struct cpp_options): Change lang_asm to char.
15015 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
15016 done in cpp_handle_option now.
15017 (initialize_builtins): Take out special case code used only by
15019 (cpp_handle_option): Turn off trigraphs and trigraph warnings
15020 if -traditional. Recognize -lang-fortran and set
15021 lang_fortran, also turn off cplusplus_comments.
15022 (print_help): Document -lang-fortran.
15023 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
15024 lang_asm. Ignore all directives other than `# 123 "file"' if
15026 (cpp_get_token): If -traditional, don't recognize directives
15027 unless the # is in column 1.
15028 (parse_string): If lang_fortran or lang_asm, silently
15029 terminate strings ('' or "") at end of line.
15030 Remove unnecessary braces.
15032 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15033 Richard Henderson <rth@cygnus.com>
15035 * resource.c (mark_referenced_resources): Mark a set strict_low_part
15037 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
15038 strict_low_part when possible.
15040 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15042 * alias.c: PROTO -> PARAMS.
15043 * basic-block.h: Likewise.
15044 * bitmap.c: Likewise.
15045 * bitmap.h: Likewise.
15046 * builtins.c: Likewise.
15047 * c-aux-info.c: Likewise.
15048 * caller-save.c: Likewise.
15049 * calls.c: Likewise.
15051 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15053 * Makefile.in (toplev.o): Depend on regs.h.
15055 * output.h (tdesc_section): Prototype.
15057 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
15059 * sdbout.c: Include "tm_p.h".
15061 * toplev.c: Include "regs.h".
15063 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
15065 * unroll.c (unroll_loop): Add EH support.
15067 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15069 * pa-protos.h: New file.
15071 * pa.c: Include recog.h and tm_p.h.
15072 (compute_zdepwi_operands, compute_movstrsi_length,
15073 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
15074 find_addr_reg, import_milli): Add static prototypes.
15075 (pa_cpu_string, pa_arch_string): Constify a char*.
15076 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
15077 (read_only_operand): Add argument `mode'.
15078 (singlemove_string, output_move_double, output_fp_move_double,
15079 output_block_move, output_and, output_ior, output_ascii,
15080 remove_useless_addtr_insns, milli_names, output_mul_insn,
15081 output_div_insn, output_mod_insn, output_arg_descriptor,
15082 output_cbranch, output_bb, output_bvb, output_dbra, ,
15083 output_millicode_call, output_call, hppa_encode_label,
15084 output_parallel_movb, output_parallel_addb): Constify a char*.
15085 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
15086 (output_parallel_addb): Remove extra arg to `constrain_operands'
15088 * pa.h: Move all prototypes to pa-protos.h.
15089 (pa_cpu_string, pa_arch_string): Constify a char*.
15090 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
15092 * pa.md: Call `function_label_operand' with mode argument.
15093 Likewise for `read_only_operand'.
15094 Fix nesting of parens in call to `symbolic_operand'.
15096 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15098 * i860-protos.h: New file.
15100 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
15103 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
15105 * i860.md: Likewise.
15107 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
15109 * i386.md (movstrsi expander): Rewrite.
15110 (movstrsi_1 insn): Deleted.
15111 (strmovhi, strmovqi expander): New expanders.
15112 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
15113 * i386.c (x86_single_stringop): New global variable.
15114 * i386.h (x86_single_stringop): Declare.
15115 (TARGET_SINGLE_STRINGOP): New macro.
15117 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15119 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
15120 integer vararg POSTINCREMENT before the destination of the jump
15121 for the hard fp case.
15122 (function_arg_pass_by_reference): Pass a copy of CUM to
15125 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
15126 for CONSTANT_ADDRESS_P above while loop for subreg.
15128 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15130 * flow.c (propagate_block): When a prologue/epilogue insn
15131 is marked dead, unconditionally clear libcall_is_dead and
15132 insn_is_dead, and only dump rtl if warnings aren't being
15135 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
15137 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
15138 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
15139 (FIXED_REGISTERS): Set dirflag as fixed.
15140 (CALL_USED_REGISTERS): Set dirflag as used.
15141 (REG_ALLOC_ORDER): Set dirflag as last one.
15142 (DIRFLAG_REG): New macro.
15143 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
15144 (HI_REGISTER_NAMES): Add dirflag.
15145 (DEBUF_PRINT_REG): Handle dirflag.
15146 * i386.md (type attribute): New cld and str types.
15147 (length_opcode attribute): Set cld and str to 1.
15148 (memory attribute): Set str to unknown - it is not clear from the
15150 (pent_np function unit): Prefixed string operations takes 12 cycles
15151 minimally; cld takes 2 cycles.
15152 (ppro_uops attribute): Str is "many" and cld is "few".
15153 (ppro_p0 unit): Handle cld here.
15154 (k6_alux unit): Handle cld and str types.
15155 (k6_load unit): It is ocupied by str opcodes.
15156 (k6_store unit): It is ocupied by str opcodes.
15157 (athlon_decode): Str is vector decoded.
15158 (athlon_ieu): Handle str and cld.
15159 (cld pattern): New.
15160 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
15161 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
15162 cmpstrsi_nz_1 insn): Do not output cld instruction
15164 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
15166 * gcc.texi (G++ and GCC): Add Java and Chill.
15167 (Bug Critera): Don't list languages.
15169 * gcc.texi (Incompatibilities): No longer claim most C compilers
15172 * gcc.texi (G++ and GCC): Update other front-ends list.
15174 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
15176 * i386.c (ix86_expand_setcc): Fix typo.
15177 (ix86_expand_movcc): Similarly.
15179 * Band-aid until haifa's bitset implementation is nuked.
15180 * haifa-sched.c (extract_bitlst): New parameter for size of the
15181 bitset in bits. All callers changed. Avoid looking at undefined
15182 bits in the bitset.
15183 (edgeset_bitsize): New variable.
15184 (schedule_region): Initialize edgeset_bitsize.
15186 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15188 * Makefile.in (optabs.o): Depend on real.h
15189 (resource.o): Depend on insn-attr.h
15191 * builtins.c (result_vector): Wrap prototype in macro conditions
15192 governing definition and use.
15194 * c-common.c: Include tm_p.h.
15196 * c-lex.c: Likewise.
15198 * elfos.h: Constify a char*.
15200 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
15201 (get_attr_length, shorten_branches, profile_after_prologue): Mark
15202 parameter with ATTRIBUTE_UNUSED.
15204 * fold-const.c (exact_real_inverse): Wrap variable `i' in
15207 * haifa-sched.c (schedule_insns): Mark parameter with
15210 * optabs.c: Include real.h.
15212 * real.h (ereal_atof): Add prototype arguments.
15214 * resource.c: Include insn-attr.h.
15216 * sdbout.c (sdbout_queue_anonymous_type,
15217 sdbout_dequeue_anonymous_types): Wrap in macro
15218 SDB_ALLOW_FORWARD_REFERENCES.
15219 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
15222 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
15224 * stupid.c: Include tm_p.h.
15226 * tree.c (real_value_from_int_cst): Mark parameter with
15229 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15231 * i960-protos.h: New file.
15233 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
15236 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
15238 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15240 * combine.c (expand_field_assignment): Do not discard SUBREGs
15241 while computing nonzero_bits.
15243 2000-01-09 Nick Clifton <nickc@cygnus.com>
15245 * config/arm/arm.c: Fix compile time warnings about signed vs
15246 unsigned constants.
15247 * config/arm/arm.h: Fix compile time warnings about signed vs
15248 unsigned constants.
15250 2000-01-09 Philip Blundell <philb@gnu.org>
15252 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
15253 than `ldm' with only one register.
15254 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
15257 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
15260 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
15262 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15265 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15267 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15268 assignment used as truth value.
15270 * function.c (assign_temp): Mark parameter `dont_promote' with
15271 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15272 PROMOTE_FOR_CALL_ONLY.
15274 * genrecog.c (write_subroutine): Mark variable `operands' with
15277 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15280 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15281 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15283 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15286 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15288 * config/c4x.h: Tidy up comments.
15289 * config/c4x.c: Likewise.
15291 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15293 * fold-const.c (lshift_double, rshift_double): Handle
15294 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15296 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15298 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15299 in prepare_function_start().
15301 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15303 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15304 longer allocate extra stack for function calls.
15306 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15308 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15310 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15312 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15314 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15316 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15317 * aix43.h: Revert Aug 2 change.
15318 (HAS_INIT_SECTION): Define, not visible yet.
15319 (LD_INIT_SWITCH): Define, not visible yet.
15320 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15322 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15324 * collect2.c (main): Expand ld2 size further.
15325 (export_object_lst): Cast assignment to avoid warning.
15326 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15327 (scan_prog_file, COFF): Do not collect initialization or
15328 finalization functions generated for entire shared object if
15329 init/fini support present.
15331 2000-01-07 Nick Clifton <nickc@cygnus.com>
15333 * config/elfos.h: Tidy up formatting of marcos. Make sure
15334 that .section directives are always prefixed by a tab.
15336 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15339 2000-01-07 Matt Austern <austern@sgi.com>
15341 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15344 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15346 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15348 (crtbegin.o, s-crtS): Likewise.
15350 2000-01-06 Richard Henderson <rth@cygnus.com>
15352 * alpha.md (adddi_2+1): Limit offset such that it will be
15353 loadable with a single ldah+lda pair.
15354 (adddi_2+2): Explicitly fail split if we can't make it work.
15356 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15358 * protoize.c: Conditionally include unistd.h.
15359 (IS_SAME_PATH_CHAR): New macro.
15360 (IS_SAME_PATH): New macro.
15361 (CPLUS_FILE_SUFFIX): New macro.
15362 (cplus_suffix): New static variable.
15363 (is_abspath): New static function.
15364 (in_system_include_dir): Handle DOS style pathnames.
15365 (file_could_be_converted): Likewise.
15366 (file_normally_convertible): Likewise.
15367 (directory_specified_p): Likewise.
15368 (file_excluded_p): Likewise.
15369 (abspath): Likewise.
15370 (shortpath): Likewise.
15371 (referenced_file_is_newer): Likewise.
15372 (save_def_or_dec): Likewise.
15373 (do_processing): Likewise.
15375 (edit_file): Likewise. Use rename instead of link.
15376 (rename_c_file): Likewise. Don't rename syscalls file.
15377 (munge_compile_params): Define null device for DOS based systems.
15378 (process_aux_info_file): Use binary mode if appliable.
15379 (edit_file): Likewise.
15380 * invoke.texi (Running Protoize): Document C++ suffixes used.
15382 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15383 IS_DIR_SEPARATOR macros.
15384 * collect2.c: Likewise.
15385 * cppinit.c: Likewise.
15386 * dwarf2out.c: Likewise.
15388 * gcov.c: Likewise.
15389 * prefix.c: Likewise.
15391 * toplev.c: Likewise.
15392 * system.h: And move to here.
15394 * prefix.c (update_path): Fix typo in variable name.
15396 2000-01-06 Richard Henderson <rth@cygnus.com>
15398 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15399 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15400 (count_reg_sets_1, count_reg_references): Likewise.
15401 (flow_loops_level_compute): Start counting actual loop depth at 1.
15402 (flow_loops_find): Likewise.
15403 * local-alloc.c (update_equiv_regs): Likewise.
15404 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15406 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15408 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15409 FIRST_PSEUDO_REGISTER
15410 * dwarf2out.c: Don't include frame.h
15411 * dwarfout.c: Likewise
15412 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15415 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15417 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15420 * i386.c (movsf splitter): Fix typo in my last checkin.
15422 2000-01-05 Nick Clifton <nickc@cygnus.com>
15424 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15425 own definition of this macro.
15426 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15427 flag_data_sections or UNIQUE_SECTION_P are true.
15429 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15430 unitialised data decls.
15432 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15433 being called for uninitialised data.
15435 * config/i386/interix.c (i386_pe_unique_section): Cope with
15436 being called for uninitialised data.
15438 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15439 for uninitialised data.
15441 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15442 for uninitialised data.
15444 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15445 for uninitialised data.
15447 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15448 (UNIQUE_SECTION_P): Always generate a unique section if
15449 flag_data_sections is true.
15450 (UNIQUE_SECTION): Also generate unique sections for
15451 uninitialised data.
15452 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15453 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15456 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15458 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15461 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15463 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15464 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15465 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15466 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15467 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15469 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15471 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15473 * c-decl.c (finish_enum): Simplify code to determine minimum and
15474 maximum values of the enum, and calculate the type. Remove check
15475 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15476 the DECL_INITIAL of each enumeration constant with a copy converted
15477 to the enumeration type. When updating variant types, don't bother
15478 updating the type itself.
15480 * c-typeck.c (build_binary_op): Simplify conditional expressions
15481 when weeding out spurious signed-unsigned warnings. Add new
15482 spurious warning category: if the unsigned quantity is an enum
15483 and its maximum value fits in signed_type(result_type). Update
15485 (build_conditional_expr): Warn here if one alternative is signed
15486 and the other is unsigned.
15488 2000-01-05 Nick Clifton <nickc@cygnus.com>
15490 * config/fr30/fr30.h: Remove extraneous comments.
15492 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15494 * reload1.c (choose_reload_regs): When disabling a reload, also
15495 set reload_spill_index to -1.
15497 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15499 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15501 (m68*-*-rtemself*): New target.
15502 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15503 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15504 (sparc*-*-rtemself*): New target.
15505 (sparc*-*-rtems*): Now elf not a.out.
15506 * config/i386/rtems.h: Include config/rtems.h.
15507 * config/i386/rtemself.h: Include config/rtems.h.
15508 * config/i960/rtems.h: Include config/rtems.h.
15509 * config/m68k/rtems.h: Include config/rtems.h.
15510 * config/m68k/rtemself.h: Include config/rtems.h.
15511 * config/mips/rtems64.h: Include config/rtems.h.
15512 * config/pa/rtems.h: Include config/rtems.h.
15513 * config/rs6000/rtems.h: Include config/rtems.h.
15514 * config/sh/rtems.h: Include config/rtems.h.
15515 * config/sh/rtemself.h: Include config/rtems.h.
15516 * config/sparc/rtems.h: Include config/rtems.h.
15517 * config/sparc/rtemself.h: Include config/rtems.h
15519 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15521 * final.c (shorten_branches): Correctly compute length of
15522 asms without operands.
15524 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15526 * configure.in: Add pj target.
15527 * configure: Regenerate.
15528 * config/pj: New directory.
15529 * config/pj/lib1funcs.S: New file.
15530 * config/pj/linux.h: New file.
15531 * config/pj/pj.c: New file.
15532 * config/pj/pj.md: New file.
15533 * config/pj/pjl.h: New file.
15534 * config/pj/t-pj: New file.
15535 * config/pj/xm-pj.h: New file
15537 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15539 * toplev.c (rest_of_compilation): Run shorten-branches before
15542 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15544 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15545 macros so that they're consistent with their names.
15546 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15547 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15549 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15551 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15552 modified inadvertently.
15554 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15556 * configure.in (v850*-*-rtems*): New target.
15557 * configure: Regenerate.
15558 * config/v850/rtems.h: New file.
15560 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15562 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15563 (__gthread_key_create): Likewise.
15564 (__gthread_key_dtor): Likewise.
15565 (__gthread_once): Fix logic.
15566 (__gthread_key_delete): Cast away constness.
15568 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15569 * invoke.texi: Document.
15570 * i386/mingw32.h (CPP_SPEC): Use.
15571 (LIBGCC_SPEC): Likewise.
15572 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15574 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15576 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15577 (HANDLE_PRAGMA_PACK): Undefine.
15578 (SLOW_UNALIGNED_ACCESS): Define.
15580 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15582 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15583 to default definition.
15584 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15585 (store_fixed_bit_field): Call macro with word_mode and alignment.
15586 (extract_bit_field): Call macro with relevant mode and alignment.
15587 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15588 to default definition.
15589 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15591 (move_by_pieces_ninsns): Likewise.
15592 (clear_by_pieces): Likewise.
15593 (emit_push_insn): Likewise.
15594 (store_field): Call macro with relevant mode and alignment.
15595 (expand_expr): Likewise.
15596 (expand_expr_unaligned): Likewise.
15598 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15599 (SLOW_UNALIGNED_ACCESS): Define.
15600 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15601 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15602 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15603 (toc_section): Likewise and .toc pseudo-op.
15604 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15606 (TEXT_SECTION_ASM_OP): Likewise.
15607 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15610 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15611 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15612 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15613 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15614 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15616 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15618 * regclass.c: Revert my Jan 4 change to loop cost computation.
15620 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15622 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15625 2000-01-04 Stan Cox <scox@cygnus.com>
15627 * haifa-sched.c (build_control_flow): Change unreachable simple
15628 loop test to check if current block has only one predecessor.
15629 (find_rgns): Initialize degree. Use dest as degree index, not src.
15631 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15633 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15635 * calls.c (expand_call): Likewise for
15636 `old_stack_arg_under_construction'.
15638 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15640 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15643 * gcc.c (execute): Likewise for `ut' and `st'.
15645 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15647 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15649 * jump.c (jump_optimize_1): Likewise for `temp2'.
15651 * local-alloc.c (block_alloc): Likewise for `r1'.
15653 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15655 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15656 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15658 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15661 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15662 and `goal_earlyclobber'.
15664 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15666 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15668 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15670 * unroll.c (copy_loop_body): Likewise for `copy'.
15672 * varasm.c (output_constructor): Likewise for `byte'.
15674 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15676 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15677 all FP constants for constant->reg moves.
15678 (ix86_split_to_parts): Try to convert memory address into immediate
15679 when available in the constant pool.
15680 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15682 (LEGITIMATE_CONSTANT_P): Return 1.
15683 * i386.md (pushsf): New splitter to convert constant pool memory
15684 reference to immediate.
15685 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15688 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15690 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15691 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15692 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15693 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15694 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15696 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15698 * ginclude/stdbool.h: Support compilation as C++.
15700 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15702 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15704 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15706 * regclass.c (regclass): Properly compute loop_cost. Adjust
15709 * regclass.c: Fix minor whitespace problems.
15711 2000-01-03 Anthony Green <green@cygnus.com>
15713 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15714 Restore the pic register if required.
15716 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15718 * c-common.c (format_char_info): Update comment.
15719 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15720 was recognized. Emit warning for formats new in ISO C99 only
15721 if flag_isoc9x is not set.
15723 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15725 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15727 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15729 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15730 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15731 (make_compound_operation): Choose cheaper alternative between
15732 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15734 * regclass.c (op_costs): Remove global variable.
15735 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15736 (record_operand_costs): Break out from ...
15737 (scan_one_insn): ... here.
15738 (dump_regclass): Make dumps nicer.
15739 (regclass): Dump preferrences choosed and changes done during passes.
15741 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15743 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15745 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15747 * config/sparc/sparc.c (gen_df_reg): New function.
15748 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15749 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15750 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15751 movtf_cc_reg_sp64+1): Use it.
15753 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15755 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15756 copied LABEL_DECLs.
15758 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15760 * config/i386/i386.c (ix86_expand_unary_operator): Function
15761 definition made void.
15762 (ix86_expand_binary_operator): Update outdated preceding comment.
15763 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15766 * config/i386/i386.c (override_options): Fix option-name typo.
15768 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15770 * system.h (CEIL): Define.
15771 * builtins.c (CEIL): Remove.
15772 * expmed.c (CEIL): Likewise.
15773 * expr.c (CEIL): Likewise.
15774 * stor-layout.c (CEIL): Likewise.
15776 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15778 * expr.c (store_constructor_field): Fix typo introduced with last
15781 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15783 * tree.h (BINFO_N_BASETYPES): New macro.
15785 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15787 * expmed.c (emit_store_flag): Prevent losing a pending stack
15788 adjust the same way we prevent losing queued increments.
15790 See ChangeLog.2 for earlier changes.