| blob | 2bddaa38c9cff0d6a2f4ac2e3a90d799cfa739e8 |
1 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
3 * cpplib.c (handle_directive): Print non-NUL-terminated string
4 with %.*s.
6 2000-06-12 Michael Meissner <meissner@redhat.com>
8 * ifcvt.c (dead_or_predicable): Don't do conditional execution
9 path if the machine needs extra support to do conditional
10 execution.
12 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
14 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
15 to print the alias set.
16 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
18 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
20 * config/float-vax.h: Add GFLOAT defines.
22 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
24 * configure.in: Update tm dependencies for MPE.
25 * configure: Rebuilt.
27 2000-06-12 H.J. Lu <hjl@gnu.org>
29 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
31 2000-06-12 David Edelsohn <edelsohn@gnu.org>
33 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
34 (CPP_SPEC): Change mthreads to pthread.
35 (LIB_SPEC): Likewise.
36 (STARTFILE_SPEC): Likewise.
37 * aix43.h (SUBTARGET_SWITCHES): Delete thread.
38 (CPP_SPEC): Change mthreads to pthread.
39 (LIB_SPEC): Likewise.
40 (STARTFILE_SPEC): Likewise.
41 * rs6000-protos.h (reg_or_arith_cint_operand): New.
42 * rs6000.c (reg_or_arith_cint_operand): New.
43 (num_insns_constant_wide): Decorate unsigned constant.
44 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
45 * rs6000.md (addsi3): Use new predicate.
46 (subsi3, adddi3, subdi3): Likewise.
48 2000-06-12 Mark Mitchell <mark@codesourcery.com>
50 * c-common.c (lang_get_alias_set): Fix typo.
52 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
54 * flow.c (mark_used_regs): Revert last change.
55 (life_analysis): Remove PROP_AUTOINC if running after reload.
56 (propagate_one_insn): PROP_AUTOINC is always off after reload.
58 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
60 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
61 has run.
63 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
65 * bb-reorder.c (build_scope_forest): Initialize variable
66 `curr_scope'.
68 * calls.c (expand_call): Likewise for variables
69 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
71 * i386.c (function_arg_advance, function_arg): Cast to avoid
72 signed/unsigned warnings.
74 * i386.h (MEMORY_MOVE_COST): Likewise.
76 * ifcvt.c (cond_exec_process_if_block): Initialize variables
77 `else_start' and `else_end'.
79 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
81 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
83 2000-06-10 Mark Mitchell <mark@codesourcery.com>
85 * Makefile.in (libintl.a): Depend on intl.all.
87 2000-06-09 H.J. Lu (hjl@gnu.org)
89 * Makefile.in (c-parse.o): Also depend on output.h.
91 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
93 * mcore-protos.h: discards const warning removal.
94 * mcore.c: discards const warning removal.
96 2000-06-09 Kazu Hirata <kazu@hxi.com>
98 * config/h8300/lib1funcs.asm: Declare the machine architecture at
99 the beginning of the file.
101 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
103 * real.h: Add prototype for ldexp.
105 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
107 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
108 it ggc_alloc, drop second argument, never clear returned memory.
109 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
110 (ggc_alloc_cleared): New.
111 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
112 ggc_alloc_obj. Remove ggc_alloc macro.
113 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
115 * rtl.c (rtvec_alloc): Clear the vector always.
116 (rtx_alloc): Clear the first word always. Remove dirty
117 obstack tricks (this routine is no longer a bottleneck).
118 * tree.c (make_node): Clear the new node always.
119 (make_tree_vec): Likewise.
120 (tree_cons): Clear the common structure always.
121 (build1): Likewise; also, clear TREE_COMPLEXITY.
122 * gengenrtl.c: Use puts wherever possible. Remove extra
123 newlines.
124 (gendef): Clear the first word of an RTX in the generator
125 function, irrespective of ggc_p. Initialize '0' slots to
126 NULL.
127 (genlegend): Don't generate obstack_alloc_rtx routine, just a
128 thin wrapper macro around obstack_alloc.
130 * stmt.c (expand_fixup): Use ggc_alloc.
131 * c-typeck.c (add_pending_init): Use ggc_alloc.
132 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
133 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
134 const0_rtx when it is created.
135 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
136 we are not in a function.
138 * tree.c (tree_class_check_failed): Make second arg an int.
139 * tree.h: Update prototype.
141 2000-06-09 Geoff Keating <geoffk@cygnus.com>
143 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
144 of an error_mark_node.
146 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
148 * config/avr/avr.c (asm_output_section_name): bugfix.
150 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
152 * timevar.def: Add TV_EXPAND.
153 * timevar.c (timevar_print): Update timing information.
154 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
156 * stmt.c (expand_return): Check for error_mark_node.
158 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
160 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
162 * scan-types.sh (VALUE) Wrap use with double quotes to protect
163 variable against filename expansion when it contains "char *".
165 * system.h (SSIZE_MAX): Delete backup definition.
167 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
168 instead of SSIZE_MAX.
170 2000-06-09 Jakub Jelinek <jakub@redhat.com>
172 * configure.in: Check whether gas supports -relax.
173 * configure, config.in: Rebuilt.
174 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
175 (EXTRA_SPECS): Add asm_relax.
176 (ASM_SPEC): Add %(asm_relax).
177 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
178 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
179 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
180 (ASM_SPEC): Add %(asm_relax).
181 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
182 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
183 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
184 instead of mov, so that gas can further optimize it.
186 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
188 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
189 size_of_sleb128.
190 (value_format, case dw_val_class_const): Use sdata format.
191 (output_die): Call output_sleb128.
193 2000-06-08 James E. Wilson <wilson@cygnus.com>
195 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
196 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
197 ASM_OUTPUT_DWARF_CONST_DOUBLE.
198 (output_die, case dw_val_class_unsigned_const): Correct call to
199 ASM_OUTPUT_DWARF_DATA8.
200 (output_die, case dw_val_class_long_long): Use
201 ASM_OUTPUT_DWARF_CONST_DOUBLE.
202 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
203 pos is zero.
205 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
206 (output_function_prologue): Fix mispelling.
207 (output_function_prologue, output_function_epilogue): Reorder to
208 match ia64.c definition order.
209 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
210 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
211 Use r3 instead of r2 for large stack restores.
212 (ia64_output_end_prologue): New function.
213 (process_set): Emit ".restore sp" for epilogue stack restores.
214 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
216 2000-06-08 Jakub Jelinek <jakub@redhat.com>
218 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
219 incomplete types.
221 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
223 * frame.c (end_fde_sort): Remove extraneous erratic array test.
225 2000-06-08 Denis Perchine <dyp@perchine.com>
227 * frame.c (start_fde_sort): Don't malloc (0).
229 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
231 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
232 error_mark_node.
233 * print-tree.c (print_node): The transparent_union_flag means
234 different things for unions and arrays. Do not inspect it
235 with TYPE_TRANSPARENT_UNION.
237 2000-06-06 Jakub Jelinek <jakub@redhat.com>
239 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
240 returned NULL.
242 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
244 * config/avr/avr.c (asm_output_section_name): output section
245 attributes.
246 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
248 2000-06-06 James E. Wilson <wilson@cygnus.com>
250 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
251 fields into header field.
252 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
253 macros to access length, flags, and version info from header field.
254 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
255 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
256 (__do_global_ctors_aux): Fix caller.
257 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
258 prologue_flag to header. Pass to read_P_record.
259 (read_P_record): New argument header. Implement P4 format.
260 Multiply P7_T_SIZE by 16.
261 (execute_one_ia64_descriptor): New static local region_header. Pass to
262 get_unwind_record. Copy r to region_header if r is a header record.
263 (print_all_records): Likewise.
264 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
265 (__get_personality, __get_except_table): Likewise.
266 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
268 2000-06-06 Philipp Thomas <pthomas@suse.de>
270 * configure.in (AC_C_INLINE): Added.
271 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
272 * configure: Regenerate.
274 2000-06-06 Mark Mitchell <mark@codesourcery.com>
276 * c-common.h (c_language_kind): New type.
277 (c_language): New variab.e
278 * c-common.c (lang_get_alias_set): Don't put structures in
279 non-zero alias sets in C++.
280 * c-decl.c (c_language): Define it.
281 * c-lex.c (doing_objc_thang): Remove.
282 * c-tree.h (doing_objc_thang): Make it a macro.
283 * objc/objc-act.c (lang_decode_option): Set c_language, not
284 doing_objc_thang.
286 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
288 * diagnostic.c (output_maximum_width): Remove.
289 (doing_line_wrapping): Tweak.
290 (diagnostic_buffer): New object.
291 (global_output_buffer): New object.
292 (output_destroy_prefix): New function.
293 (default_initialize_buffer): Likewise.
294 (reshape_diagnostic_buffer): Likewise.
295 (initialize_diagnostics): Likewise.
296 (output_clear): Tweak.
297 (line_wrapper_printf): Adjust call to init_output_buffer.
298 (vline_wrapper_message_with_location): Likewise. Use
299 output_destroy_prefix.
300 (v_message_with_decl): Likewise.
302 * diagnostic.h (struct output_buffer): Constify prefix.
303 (init_output_buffer, output_get_prefix): Constify.
304 (diagnostic_message_length_per_line): Likewise.
305 (reshape_diagnostic_buffer): Declare.
306 (default_initialize_buffer): Declare.
307 (initialize_diagnostics): Declare.
308 (diagnostic_buffer): Declare new obbject.
310 * toplev.c: #include diagnostic.h
311 (display_help): Document diagnostic formatting options.
312 (decode_f_option): Handle diagnostic formatting options.
313 (main): Setup initialization for diagnostic messages outputter.
315 * toplev.h (set_message_length): Remove.
317 * Makefile.in (toplev.o): Depends upon diagnostic.h
319 * invoke.texi : Document diagnostics formatting options.
321 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
323 * configure.in (Make the links): Typo fix : the file that must be
324 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
325 * configure: File rebuilt.
327 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
329 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
330 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
331 space.
332 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
333 emergency eh_context buffer, if malloc fails.
334 (__eh_free): Moved from cp/exception.cc. Release to emergency
335 eh_context buffer, if appropriate.
337 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
339 * expr.c (store_expr): Fix typo.
341 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
343 * m68k.c (legitimize_pic_address): Move prototype ...
345 * m68k-protos.h (legitimize_pic_address): ... here.
347 * m68k.md (legitimize_pic_address): Delete prototypes.
348 (untyped_call): Invoke GEN_CALL(), not gen_call().
350 * nextstep.c: Include system.h and toplev.h.
351 (get_directive_line): Don't prototype.
352 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
354 * nextstep.h (handle_pragma): Prototype.
355 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
356 objc_section_init ...
357 (EXTRA_SECTION_FUNCTIONS): ... here.
359 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
361 * sdbout.c (struct sdb_file): NAME now const.
362 (sdbout_init): input_file_name now const.
363 (sdbout_start_new_source_file): FILENAME now const.
364 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
366 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
368 * c-typeck.c (build_conditional_expr): Handle complex data types.
370 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
372 * explow.c (maybe_set_unchanging): New function, broken out from...
373 (set_mem_attributes): Here.
374 * expr.h: Declare it.
375 * stmt.c (expand_decl): Call it.
377 2000-06-05 Richard Henderson <rth@cygnus.com>
379 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
380 while looking for a register to inherit from.
382 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
384 * Makefile.in (libgcc.ready): Lose.
385 (libgcc.mk): Just use mv, not move-if-change.
386 (LIBGCC_DEPS): New macro.
387 (libgcc.a): Use it.
388 (stmp-multilib): Likewise.
389 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
390 it rather than the directories themselves.
391 (LIB2ADD): Depend on the list file rather than 'force'.
393 * fold-const.c (fold, case COND_EXPR): Elide conversion between
394 cv-qualified versions of types.
396 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
398 * config/sparc/sparc.c (short_branch): Correct error in range
399 computation.
401 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
403 * fixinc/inclhack.def: New include hacks for ultrix.
404 * (nested_ultrix): Replaced by ultrix_nested_svc.
405 * (ultrix_atof_param): test_text string added.
406 * (ultrix_ifdef): Modified select string.
408 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
410 * objc/objc-act.c (generate_method_descriptors): Register
411 objc_method_prototype_template as a GC root.
412 (comp_method_with_proto): Register function_type as a GC root.
413 (comp_proto_with_proto): Replace function_type1 and
414 function_type2 with a two-element array; register it as a GC root.
416 (generate_protocols, build_protocol_initializer,
417 generate_protocol_list, build_category_initializer,
418 build_shared_structure_initializer): Do not cache cast_type
419 and/or cast_type2.
421 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
423 * function.c (assign_parms): Add missing argument to set_mem_attributes
424 call.
426 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
428 * tree.h (VOID_TYPE_P): New macro.
429 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
430 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
431 (get_parm_info): Likewise.
432 (store_parm_decls): Likewise.
433 (combine_parm_decls): Likewise.
434 (finish_function): Likewise.
435 * c-typeck.c (build_function_call): Likewise.
436 (build_binary_op): Likewise.
437 (build_conditional_expr): Likewise.
438 (internal_build_compound_expr): Likewise.
439 (convert_for_assignment): Likewise.
440 * stmt.c (expend_expr_stmt): Likewise.
441 (warn_if_unused_value): Likewise.
442 (expand_return): Likewise.
443 * c-parse.in (primary): Likewise.
444 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
445 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
447 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
449 * alias.c (get_alias_set): If compnent is addressable, use alias
450 set of component.
451 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
452 (grokdeclarator): Likewise.
453 * c-typeck.c (common_type): Likewise.
455 2000-06-04 Alex Samuel <samuel@codesourcery.com>
457 * Makefile.in (OBJS): Remove dyn_string.o
458 (dyn-string.o): Delete rule.
459 * dyn-string.c: Delete file
460 * dyn-string.h: Likewise.
462 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
464 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
465 subdir.
467 2000-06-03 Geoff Keating <geoffk@cygnus.com>
469 * alias.c (record_component_aliases): Don't inspect
470 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
472 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
474 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
475 it with the pattern to do machine dependent work.
476 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
477 use it to modify the true/false tests used in conditional
478 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
479 defined, invoke them if the conversion to conditional execution
480 was successful or not.
482 * tm.texi (IFCVT_MODIFY_TESTS): Document.
483 (IFCVT_MODIFY_INSN): Ditto.
484 (IFCVT_MODIFY_FINAL): Ditto.
485 (IFCVT_MODIFY_CANCEL): Ditto.
487 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
489 * toplev.c (main): Fix misspellings of possibility and language.
491 2000-06-03 Richard Henderson <rth@cygnus.com>
493 * alias.c (record_alias_subset): Initialize has_zero_child in the
494 superset.
496 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
498 * arm.md (untyped_call): Use GEN_CALL macro.
500 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
502 * Makefile.in: Use $(MAKE) not "make"
504 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
506 * alias.c (struct alias_set_entry): New field has_zero_child.
507 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
508 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
509 do nothing.
510 Call record_component_aliases for aggregate types.
511 (record_alias_subset): Set has_zero_child.
512 (record_component_aliases, case ARRAY_TYPE): Do nothing if
513 TYPE_NONALIASES_COMPONENT.
514 (record_component_aliases, case RECORD_TYPE): Test
515 DECL_NONADDRESSABLE_P.
516 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
517 of TREE_ADDRESSABLE.
518 * calls.c (initialize_argument_information): Only test
519 TYPE_TRANSPARENT_UNION for UNION_TYPE.
520 * function.c (assign_parms): Likewise.
521 * integrate.c (function_cannot_inline_p): Likewise.
522 * stor-layout.c (finish_record_layout): Don't call
523 record_component_aliases.
524 * tree.h (struct tree_int_cst): Use struct tree_common.
525 (struct tree_real_cst, struct tree_string): Likewise.
526 (struct tree_complex, struct tree_identifier): Likewise.
527 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
528 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
529 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
530 (TYPE_NONALIASES_COMPONENT): New macro.
531 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
532 (DECL_NONADDRESSABLE_P): New macro.
533 (struct tree_decl): Reorder bits for clarity of how many left;
534 add non_adressable.
536 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
538 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
539 * mklibgcc.in (force): New target.
540 Make LIB2ADD stuff depend on it.
542 2000-06-02 Richard Henderson <rth@cygnus.com>
544 * alias.c (lang_get_alias_set): Remove.
545 (get_alias_set): Call it directly, not indirectly.
546 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
547 * c-common.h (c_get_alias_set): Don't declare.
548 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
549 * expr.h (lang_get_alias_set): Declare as function, not pointer.
551 2000-06-02 Bruce Korb <bkorb@gnu.org>
553 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
554 (server_setup): define the server's master pid
555 (close_server): actually do the deed IFF we are the server's master
557 2000-06-02 Jakub Jelinek <jakub@redhat.com>
559 * c-common.c (c_get_alias_set): Check whether signed_type did not
560 return its argument before calling get_alias_set on the result.
562 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
564 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
566 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
568 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
569 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
570 for TARGET_NOMACSAVE.
571 (NOMACSAVE_BIT): Define.
572 (TARGET_NOMACSAVE): Define.
573 (TARGET_SWITCHES): Add "nomacsave".
575 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
577 * sh.md (untyped_call): Remove excess parameters
579 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
581 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
582 match that used before the conversion to c_fix style.
583 * fixinc/fixincl.x: regenerate
585 2000-06-01 Stan Cox <scox@cygnus.com>
587 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
588 macro argument typo.
590 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
592 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
593 error message.
594 * cpplib.c (parse_include): Remove support for VAX-C
595 "#include starlet" misfeature.
597 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
599 * cppfiles.c: conditionally define O_BINARY.
600 (open_include_file): pass O_BINARY to open().
602 2000-06-01 Richard Henderson <rth@cygnus.com>
604 * i960.c (i960_br_predict_opcode): Remove.
605 (i960_print_operand) [+]: Emit branch prediction hints.
606 (i960_function_arg): Return early for VOIDmode.
607 (i960_round_align): Return early for incomplete types.
608 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
609 * i960.md (all conditional branches): Add "%+".
611 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
613 * alias.c (get_alias_set): Don't call language-specific routine more
614 than is needed and clean up code a bit.
615 * c-common.c (c_get_alias_set): All references whose type
616 is char get alias set 0, but character types need not.
617 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
618 (make_decl_rtl): Don't call it for FUNCTION_DECL.
620 2000-06-01 Bruce Korb <bkorb@gnu.org>
622 * fixinc/tests/base/...: new base result files
624 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
626 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
627 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
628 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
629 will use FCOMI.
631 2000-06-01 Richard Henderson <rth@cygnus.com>
633 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
635 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
637 2000-05-31 Richard Henderson <rth@cygnus.com>
639 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
640 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
641 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
643 2000-05-31 Richard Henderson <rth@cygnus.com>
645 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
646 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
647 (ia64_print_operand) [+]: ... here. Use current_output_insn.
648 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
649 * config/ia64/ia64.md (all branch/call patterns): Use %+.
651 2000-05-31 Richard Henderson <rth@cygnus.com>
653 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
655 2000-05-31 Richard Henderson <rth@cygnus.com>
657 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
658 remaining edges.
659 (find_if_block): Allow THEN with no outgoing edges.
660 * flow.c (merge_blocks_nomove): Remove a barrier not following
661 a jump as well.
663 2000-05-31 Richard Henderson <rth@cygnus.com>
665 * flow.c (propagate_block): Move initialization of mem_set_list ...
666 (init_propagate_block_info): ... here. Also track blocks with
667 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
669 2000-05-31 Richard Henderson <rth@cygnus.com>
671 * jump.c (jump_optimize_1): Revert 05-18 change.
673 2000-05-31 Mark Mitchell <mark@codesourcery.com>
675 * invoke.texi: Remove documentation for -fguiding-decls.
677 2000-05-31 Richard Henderson <rth@cygnus.com>
679 * configure.in: Fix typo last change.
681 2000-05-31 Philipp Thomas <pthomas@suse.de>
683 * configure.in (enable-nls): Enable if build == host, i.e. when
684 not building a canadian cross compiler.
685 (enable-maintainer-mode): Added for use with i18n.
686 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
687 cross section of ALL_LINGUAS and LINGUAS.
688 * configure: Rebuild.
690 2000-05-31 Bruce Korb <bkorb@gnu.org>
692 * fixinc/check.tpl: rework to use test result tree
693 * fixinc/Makefile.in: change invocation of check script
694 * fixinc/check.diff: No longer needed
695 * fixinc/fixincl.x: regenerate
696 * fixinc/inclhack.def: add new tests
697 * fixinc/tests/base/arch/i960/archI960.h: New test result
698 * fixinc/tests/base/curses.h: modified test result
699 * fixinc/tests/base/stdio.h: ditto
700 * fixinc/tests/base/time.h: ditto
701 * fixinc/tests/base/sys/asm.h: ditto
702 * fixinc/tests/base/sys/stat.h: ditto
703 * fixinc/tests/base/sys/wait.h: ditto
705 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
707 * except.c (clear_function_eh_region): Do not free NULL.
709 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
711 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
712 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
713 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
714 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
715 (find_base_decl): New function, from c_find_base_decl in c-common.c.
716 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
717 (get_alias_set): Likewise.
718 Major rework to do more things and allow language-specific code
719 to just handle special-cases.
720 (record_alias_subset): Args are HOST_WIDE_INT.
721 (record_component_alias): Local vars are HOST_WIDE_INT.
722 Don't handle COMPLEX_EXPR.
723 (get_varargs_alias_set): Moved from builtins.c.
724 (get_frame_alias_set): New function.
725 * builtins.c (expand_builtin_return_address): Use frame alias set.
726 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
727 for setjmp buffer.
728 (get_memory_rtx): Rework to use set_mem_attributes.
729 (get_varargs_alias_set): Deleted from here.
730 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
731 (c_find_base_decl): Deleted from here.
732 (c_get_alias_set): Remove many cases and rework to just handle
733 C-specific cases.
734 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
735 * c-decl.c (rtl.h, expr.h): Now included.
736 (init_decl_processing): Call record_component_aliases on array types.
737 (grokdeclarator): Likewise.
738 Set TREE_ADDRESSABLE for all fields that are not bitfields.
739 * c-typeck.c (common_type): Call record_component_aliases for array.
740 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
741 Set all save areas to the frame alias set.
742 * calls.c (initialie_argument_information): Call set_mem_attributes.
743 (compute_argument_addresses, expand_call): Likewise.
744 * explow.c (set_mem_attributes): New function.
745 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
746 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
747 LEN and OFFSET now HOST_WIDE_INT.
748 (clear_by_pieces): Similar changes.
749 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
750 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
751 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
752 (clear_by_pieces_1): Likewise.
753 (emit_push_insn): Call set_mem_attributes.
754 (expand_expr, case INDIRECT_REF): Likewise.
755 (expand_expr, case VAR_DECL): Call change_address.
756 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
757 tree_low_cst.
758 (get_varargs_alias_set, get_frame_alias_set): New decls.
759 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
760 (new_alias_set, set_mem_attributes): Likewse.
761 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
762 (assign_stack_temp_for_type): Likewise.
763 Can split slot even if alias set since can copy.
764 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
765 (assign_temp): Use host_integerp and tree_low_cst.
766 (put_var_into_stack): Properly handle SAVE_EXPR.
767 (put_addressof_into_stack): Likewise.
768 (assign_parms): Call set_mem_attributes.
769 Delete #if 0 code.
770 (fix_lexical_address): Put reference to chain into frame alias set.
771 (expand_function_start): Call set_mem_attributes.
772 * integrate.c (expand_inline_function): Likewise.
773 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
774 * regmove.c (try_apply_stack_adjustment): Likewise.
775 * reload.c (push_reload, make_memloc): Likewise.
776 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
777 * rtl.def (MEM): Update comment.
778 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
779 (move_by_pieces): Change length to HOST_WIDE_INT.
780 (record_base_value, record_alias_subset): Delete from here.
781 * stmt.c (expand_decl): Call set_mem_attributes.
782 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
783 * toplev.c (compile_file): Call init_alias_once earlier.
784 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
785 from here: now in alias.c.
786 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
787 (struct tree_decl): Likewise.
788 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
789 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
790 (output_constant_def, force_const_mem): Likewise.
792 * flow.c (propagate_block): If block has no successors, stores to
793 frame are dead if not used.
795 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
797 * stmt (expand_end_case): Reorder conversion sequence for jump
798 table to avoid extra truncations.
800 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
802 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
803 in the block is more than just a simple conditional branch.
804 (noce_process_if_block): Similarly.
806 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
808 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
809 queue.
811 2000-05-30 Michael Meissner <meissner@redhat.com>
813 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
814 instructions. Treat LO_SUM operations as loading the full integer
815 constant.
817 2000-05-30 Richard Henderson <rth@cygnus.com>
819 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
821 2000-05-30 Richard Henderson <rth@cygnus.com>
823 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
825 2000-05-30 Bruce Korb <bkorb@gnu.org>
827 * fixinc/tests/*: Added expected result files for fixinc's make check
828 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
830 2000-05-30 Richard Henderson <rth@cygnus.com>
832 * config/alpha/alpha.md (*setne_internal): Use match_operator
833 instead of working down from insn.
835 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
837 * invoke.texi (-Wtraditional): Update WRT function macros.
839 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
841 * except.c (free_exception_table): Do not free NULL.
843 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
845 * cpplib.c (do_if): Don't save and restore only_seen_white here.
846 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
847 and skipping here.
849 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
851 * flow.c (mark_used_reg): If a register is unconditionally live,
852 remove any conditional death information.
854 2000-05-29 Richard Henderson <rth@cygnus.com>
856 * final.c (current_output_insn): New.
857 (final_scan_insn): Set it.
858 * output.h: Declare it.
860 2000-05-29 Richard Henderson <rth@cygnus.com>
862 * stor-layout.c (finalize_record_size): Fix typo.
864 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
865 if nlabel is null.
867 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
869 * cpplib.h (cpp_reader): Remove if_stack. Change
870 potential_control_macro to a cpp_hashnode *. Add skipping flag.
871 * cpphash.h (struct ihash): Change control_macro to a
872 cpp_hashnode * and shorten name to cmacro.
873 Add NEVER_REINCLUDE constant.
875 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
876 Examine the cmacro node directly, no need to call cpp_defined.
877 (_cpp_execute_include, read_include_file): Set cmacro to
878 NEVER_REINCLUDE, not U"".
879 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
880 (cpp_get_token): If pfile->skipping is true, discard text and
881 keep scanning until we hit a directive; don't expand macros.
883 * cpplib.c (struct if_stack): Remove if_succeeded, add
884 was_skipping. Change control_macro to a cpp_hashnode * and
885 shorten name to cmacro. Remove typedef IF_STACK.
886 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
887 (conditional_skip, skip_if_group,
888 consider_directive_while_skipping): Delete.
889 (push_conditional): New.
890 (_cpp_handle_directive): Don't process directives other than
891 conditionals if we are skipping.
893 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
894 Update to new scheme.
895 (validate_else): Skip rest of line here, unconditionally.
896 (_cpp_unwind_if_stack): The stack is per-buffer. Force
897 pfile->skipping off.
899 (all): Remove `scare quotes' from error messages.
901 2000-05-29 Richard Henderson <rth@cygnus.com>
903 * function.c (emit_return_into_block): New line_note arg; emit it.
904 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
905 for the close brace to accompany HAVE_return. Move all line notes
906 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
908 2000-05-29 Richard Henderson <rth@cygnus.com>
910 * longlong.h [__alpha] (count_leading_zeros): New.
911 (count_trailing_zeros): New.
912 (COUNT_LEADING_ZEROS_0): New.
914 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
915 (alpha_split_conditional_move): New.
916 * config/alpha/alpha-protos.h: Prototype them.
917 * config/alpha/alpha.h (PREDICATE_CODES): Update.
918 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
919 * config/alpha/alpha.md: Update ffs cix commentary.
920 (*ze_and_ne): New.
921 (*nabssf2, *nabsdf2): New.
922 (*mov[qhsd]icc_internal): Use add_operand.
923 (if_then_else constant splitters): New.
924 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
925 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
927 2000-05-29 Richard Henderson <rth@cygnus.com>
929 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
930 a constant to NEG or NOT when conditions allow.
932 * combine.c (combine_simplify_rtx): Don't create an if_then_else
933 unless both args are general_operand. Don't canonicalize plus
934 to ior unless it helps.
936 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
937 instead track register_life_up_to_date. Toggle no_new_pseudos
938 around if_convert.
940 2000-05-28 Geoff Keating <geoffk@cygnus.com>
942 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
943 so output_operand doesn't see them.
945 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
947 * lcm.c (make_preds_opaque): Fix comment.
948 (optimize_mode_switching): Use NORMAL_MODE instead of
949 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
950 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
951 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
952 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
953 (MODE_USES_IN_EXIT_BLOCK): Delete.
954 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
955 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
956 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
957 (MODE_NEEDED): Don't look for USE.
958 (EPILOGUE_USES): Define.
960 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
962 * mklibgcc.in (all): Variable initialised to `libgcc'.
964 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
966 * toplev.h (skip_leading_substring): New macro.
967 * toplev.c (decode_f_option): Use skip_leading_substring instead
968 of strncmp.
969 (decode_W_option): Likewise.
971 2000-05-28 Nick Clifton <nickc@cygnus.com>
973 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
974 modify reg_names.
976 2000-05-28 Richard Henderson <rth@cygnus.com>
978 * regclass.c (record_operand_costs): Protect reg_changes_size
979 with CLASS_CANNOT_CHANGE_SIZE.
981 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
983 2000-05-28 Richard Henderson <rth@cygnus.com>
985 * function.c (diddle_return_value): A pcc-style struct return
986 returns a pointer.
988 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
990 * cppfiles.c: Read files in, using mmap if possible, then
991 prescan them separately.
992 (read_file, read_with_read): New functions.
993 * cpplex.c: Don't define UCHAR_MAX.
994 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
995 the file here.
997 * cppinit.c (handle_option): Automatically define __cplusplus,
998 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
999 the respective -lang switch.
1001 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
1002 prototype): Move to...
1003 * cpplib.h: ... here. Rename struct hashnode to struct
1004 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
1005 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
1007 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
1009 * config/rs6000/rs6000.md (movsi): Constify 'name'.
1011 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
1012 (class_can_change_size): New variable.
1013 (reg_changes_size): New variable.
1014 (init_reg_sets_1): Initialise class_can_change_size.
1015 (record_operand_costs): Remove subreg_changes_size.
1016 Don't pass it around. Instead update reg_changes_size.
1017 (regclass): Initialise and free reg_changes_size. If a register
1018 changes size, don't preference it to a class that contains
1019 registers that can't change size.
1020 (record_reg_classes): Don't look at subreg_changes_size.
1022 2000-05-27 Richard Henderson <rth@cygnus.com>
1024 * print-rtl.c (reg_names): Remove const.
1025 * regclass.c (reg_names): Likewise.
1026 * regs.h (reg_names): Likewise.
1027 * hard-reg-set.h (reg_names): Likewise.
1029 2000-05-27 Richard Henderson <rth@cygnus.com>
1031 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
1033 2000-05-27 Richard Henderson <rth@cygnus.com>
1035 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
1036 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
1037 (alpha_expand_prologue): Emit prologue_mcount if needed.
1038 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
1039 * config/alpha/alpha.md (prologue_mcount): New.
1040 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
1041 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
1042 * config/alpha/netbsd.h: Likewise.
1044 2000-05-27 Richard Henderson <rth@cygnus.com>
1046 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
1047 change to config/elfos.h.
1049 2000-05-27 Richard Henderson <rth@cygnus.com>
1051 * Makefile.in (resource.o): Depend on except.h.
1052 * except.h (output_exception_table_data): Prototype.
1053 * genconfig.c (gen_peephole2): Prototype.
1054 * genemit.c (main): Include ggc.h.
1055 * genoutput.c: Revert parts of last change: include errors.h
1056 (main): Set progname.
1057 * recog.c: Include hard-reg-set.h before recog.h.
1058 * resource.c: Include except.h.
1060 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
1061 with RTX_CODE.
1062 (alpha_write_linkage): Protect with BUFSIZ.
1063 (alpha_need_linkage): Update prototype.
1064 * config/alpha/alpha.c (function_arg): Move VMS code here.
1065 (alpha_links_base): Remove.
1066 (alpha_links): New.
1067 (mark_alpha_links_node, mark_alpha_links): New.
1068 (alpha_write_one_linkage): New.
1069 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
1070 (alpha_write_linkage): Use splay_tree_foreach.
1071 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
1072 to get the linkage symbol.
1073 (call_value_vms): Likewise.
1074 * config/alpha/elf.h (output_file_directive): Remove decl.
1075 (ctors_section, dtors_section): Prototype.
1076 (sbss_section, sdata_section): Prototype.
1077 * config/alpha/vms.h (FUNCTION_ARG): Remove.
1078 (readonly_section, link_section, literals_section): Prototype.
1079 (ctors_section, dtors_section): Prototype.
1080 (vms_valid_decl_attribute_p): Remove decl.
1081 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
1083 2000-05-27 Geoff Keating <geoffk@cygnus.com>
1085 * reload.c (get_secondary_mem): Don't widen floating-point modes.
1087 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
1088 substituting the REG in a (subreg:X (reg:Y ...)).
1090 2000-05-28 Neil Booth <NeilB@earthling.net>
1092 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
1093 first token of a line BOL. Update EOF code for this.
1094 Remove illegal directive check - it appears in the (not
1095 yet committed) caller.
1096 * cpplib.h (BOL): New flag.
1098 2000-05-28 Neil Booth <NeilB@earthling.net>
1100 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
1101 (_cpp_free_toklist): No comment space to free.
1102 (expand_comment_space): Remove.
1103 (save_comment_space): Place the comment in the current token and
1104 not in a separate comment space.
1105 (_cpp_lex_line): Save comments during plain code and #define
1106 directives only.
1107 * cpplib.h (struct _cpp_toklist): Remove comment space.
1109 2000-05-28 Neil Booth <NeilB@earthling.net>
1111 * cppexp.c (parse_assertion): Supply extra argument to
1112 _cpp_init_toklist.
1113 * cpplib.c (do_assert, do_unassert): Similarly.
1114 * cpphash.h (_cpp_init_toklist) Update.
1115 (_cpp_expand_token_space): New.
1116 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
1117 * cpplex.c (_cpp_init_toklist): New argument.
1118 (parse_string2): New argument multiline_ok.
1119 (spell_token): Take a const cpp_token *.
1120 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
1121 (SPELL_ macros): Replace with enum.
1122 (expand_token_space): Replace with _cpp_expand_token_space.
1123 Take COUNT argument.
1124 (IS_DIRECTIVE): Update.
1125 (_cpp_lex_line): Update token structure before parsing number.
1126 Don't assume start at beginning of token list.
1127 (save_comment): Use INIT_TOKEN_NAME.
1129 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1131 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
1132 -Wmissing-prototypes.
1133 * configure: Regenerate.
1134 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
1136 * builtins.c, calls.c: Change all instances of gen_call_* or
1137 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
1138 * calls.c (struct_value_size_rtx): Separate definition from
1139 initialization to avoid unused variable warning.
1141 * genflags.c (gen_macro): New function.
1142 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
1143 (gen_nonproto): Delete.
1144 (gen_insn): Put all insns on the same obstack.
1145 (main): Generate prototypes for everything unconditionally.
1147 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
1148 out check for wchar_t.
1149 * acconfig.h: Add template for ssize_t. Remove @TOP@.
1150 * system.h: Add infrastructure for defining missing
1151 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
1152 definitions of UCHAR_MAX and SSIZE_MAX.
1153 * configure: Regenerate.
1154 * config.in: Regenerate.
1156 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
1157 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
1158 headers.
1159 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
1160 libgcc2.a, or libgcc1.null.
1162 2000-05-27 Richard Henderson <rth@cygnus.com>
1164 * Makefile.in (recog.o): Don't depend on resource.h.
1165 * recog.c: Don't include resource.h.
1166 (recog_last_allowed_insn): Remove.
1167 (recog_next_insn): Remove.
1168 (struct peep2_insn_data): New.
1169 (peep2_insn_data, peep2_current): New.
1170 (peep2_next_insn): New.
1171 (peep2_regno_dead_p, peep2_reg_dead_p): New.
1172 (peep2_find_free_register): New.
1173 (peephole2_optimize): Track life information by insn as we go.
1174 * recog.h: Update declarations.
1175 * resource.c (find_free_register, reg_dead_p): Remove.
1176 * resource.h: Remove their declarations.
1177 * toplev.c: Include hard-reg-set.h before recog.h.
1179 * genconfig.c (max_insns_per_peep2): New.
1180 (gen_peephole2): New.
1181 (main): Call it.
1182 * genemit.c (output_peephole2_scratches): Generate calls to
1183 peep2_find_free_register; adjust surrounding code.
1184 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
1185 * genrecog.c (change_state): Don't track last_insn.
1186 (write_action): Write into *_pmatch_len before accepting.
1187 (write_tree): Adjust peephole2_insns and subroutines to match.
1189 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
1191 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
1192 (hard_int_register_operand): New.
1193 * config/alpha/alpha-protos.h: Declare it.
1194 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1195 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
1196 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
1198 2000-05-27 Richard Henderson <rth@cygnus.com>
1200 * function.c (thread_prologue_epilogue_insns): Don't move the
1201 line note at the head of the chain. Only force a lineno note
1202 before the end of block 0.
1204 2000-05-27 Richard Henderson <rth@cygnus.com>
1206 * gensupport.c (collect_insn_data): Record the maximum number
1207 of alternatives, not the last seen.
1209 * genoutput.c: Don't include errors.h.
1210 (struct data): Add lineno member.
1211 (have_error): New.
1212 (scan_operands): Use message_with_line instead of error.
1213 (validate_insn_alternatives): Likewise.
1214 (gen_insn): Accept and store the pattern's line number.
1215 (gen_peephole, gen_expand, gen_split): Likewise.
1216 (main): Don't set progname. Pass line_no to gen_foo.
1218 2000-05-27 Richard Henderson <rth@cygnus.com>
1220 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
1221 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
1222 * config/d30v/d30v.md (attr predicable): New.
1223 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
1224 (andsi3*): Unify into one pattern.
1225 (iorsi3*, xorsi3*): Likewise.
1226 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
1227 conditional return.
1228 (old cond_exec patterns): Remove.
1229 (define_cond_exec): New.
1231 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1233 * tree.h (TREE_CODE_LENGTH): New macro.
1234 * c-common.c (c_find_base_decl): Use it.
1235 * expr.c (safe_from_p): Likewise.
1236 * print-tree.c (print_node): Likewise.
1237 * tree.c (make_node, copy_node, get_identifier): Likewie.
1238 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
1239 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
1240 * fold-const.c (make_range): Likewise.
1241 (fold): Likewise; also use first_rtl_op.
1242 * c-iterate.c (collect_iterators): Use first_rtl_op.
1243 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
1244 Use IS_EXPR_CODE_CLASS.
1245 (preexpand_calls): Likewise.
1246 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
1247 and TREE_CODE_LENGTH.
1248 * stmt.c (warn_if_unused_value): If no operands, no unused value.
1250 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
1252 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
1253 than '%1(%*)'.
1254 (movdi_internal64): Likewise.
1256 * config/rs6000/rs6000.md: Correct order of operands for DImode
1257 boolean patterns.
1259 * config/rs6000/rs6000.c (boolean_or_operator): New function.
1260 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
1261 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
1262 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
1263 boolean_operator for the boolean patterns without NOTs.
1265 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
1266 from reg_or_u_cint_operand. Change comment and behaviour.
1267 (logical_operand): Clean up, add assertion.
1268 (non_logical_cint_operand): Also check for
1269 reg_or_logical_cint_operand.
1270 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
1271 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1272 in the expander.
1273 (xorsi3): Likewise.
1274 (iordi3): Likewise.
1275 (xordi3): Likewise.
1277 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1279 * tree.h (struct record_layout_info): Rename to (struct
1280 record_layout_info_s).
1281 * stor-layout.c (start_record_layout): Replace
1282 `record_layout_info' with `record_layout_info_s'.
1284 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1286 * flow.c (find_label_refs): New function.
1287 (find_basic_blocks_1): Call it for each alternative of a call
1288 placeholder.
1290 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1292 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1293 of get_pc.
1295 2000-05-25 Richard Henderson <rth@cygnus.com>
1297 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1298 so strict about DImode.
1299 (alpha_swapped_comparison_operator): Likewise.
1300 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1301 any integer output mode.
1302 (*setcc_internal): Likewise.
1303 (*setcc_swapped_internal): Likewise.
1304 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1305 (*mov[qhs]icc_internal): New.
1306 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1308 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1310 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1312 2000-05-25 Richard Henderson <rth@cygnus.com>
1314 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1315 Remove add_jump; add next; replace flags with visited.
1316 (rbd_init): Remove.
1317 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1318 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1319 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1320 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1321 (RBI): New.
1322 (reorder_index, reorder_last_visited): Remove.
1323 (skip_insns_after_block): Rewrite to use a switch.
1324 (get_common_dest): Remove.
1325 (chain_reorder_blocks): Remove.
1326 (record_effective_endpoints): Split out from reorder_basic_blocks.
1327 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1328 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1329 Only construct the reorder chain, do not move insns. Try harder
1330 to tail recurse.
1331 (label_for_bb, emit_jump_to_block_after): New.
1332 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1333 and adjust the jump insns appropriately. Fixup basic_block_info.
1334 (verify_insn_chain): Always define.
1335 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1336 in allocation size.
1337 (make_new_scope): Don't write zeros to calloc'd space.
1338 (build_scope_forest): Rely on xrealloc to DTRT.
1339 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1340 profile_arc_flag. Streamline EH test.
1342 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1343 * basic-block.h: Declare them.
1345 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1347 * emit-rtl.c (reset_used_decls): New function.
1348 (unshare_all_rtl_again): Call it.
1350 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1352 * cpplex.c (maybe_macroexpand): Warn about function-like
1353 macros used in non-function context, if -Wtraditional.
1355 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1357 * recog.c (peephole2_optimize): Use INSN_P.
1359 2000-05-25 Richard Henderson <rth@cygnus.com>
1361 * ifcvt.c (seq_contains_jump): New.
1362 (noce_try_store_flag_constants): Use it to fail conversion.
1363 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1365 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1367 * except.h (can_throw): Declare it.
1368 * except.c (can_throw): Give it external linkage.
1369 * resource.c (find_dead_or_set_registers): Use can_throw.
1371 2000-05-25 Richard Henderson <rth@cygnus.com>
1373 * flow.c (mark_set_1): Don't record conditionally dead memory.
1375 2000-05-25 Jan Hubicka <jh@suse.cz>
1377 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1378 and pc_set at the place of simplejump_p and condjump_p.
1379 * cse.c (record_jump_equiv): Likewise.
1380 * emit-rtl.c (emit): Likewise.
1381 * explow.c (find_next_ref): Likewise.
1382 * flow.c (tidy_fallthru_edge): Likewise.
1383 (init_propagate_block_info): Likewise.
1384 * gcse.c (delete_null_pointer_checks): Likewise.
1385 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1386 dead_or_predicable): Likewise.
1387 * integrate.c (copy_insn_list): Likewise.
1388 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1389 for_each_insn_in_loop, check_dbra_loop, get_condition,
1390 insert_bct, load_mems): Likewise.
1391 * resource.c (find_dead_or_set_registers): Likewise.
1392 * sibcalls.c (simplejump_p): Likewise.
1393 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1395 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1397 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1398 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1399 when unaligned.
1400 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1401 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1402 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1403 * rs6000.md: Name various internal patterns.
1405 2000-05-25 Jan Hubicka <jh@suse.cz>
1407 * jump.c (invert_exp_1): Remove first argument, use pc_set
1408 to get the expression.
1409 (redirect_exp): Make static; redirect only the pc_set expression,
1410 remove first argument.
1411 (invert_exp): Remove first argument, make static.
1412 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1413 any_onlyjump at most places where we originaly did condjump_p
1414 and simplejump_p.
1415 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1416 (delete_barrier_succesors): Use pc_set.
1417 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1418 calls of invert_exp and redirect_exp.
1419 * rtl.h (redirect_exp, invert_exp): Remove.
1420 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1422 2000-05-25 Richard Henderson <rth@cygnus.com>
1424 * stmt.c (expand_end_bindings): Fix thinko last change.
1426 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1427 Andrew Haley <aph@cygnus.com>
1429 * except.c (func_eh_entry): Add emitted field.
1430 (new_eh_region_entry): Set emitted field to 0;
1431 (output_exception_table_entry): Only emit previously un-emitted data,
1432 and send it to the eh_data section.
1433 (output_exception_table): Break out common parts. Output
1434 exception table for entire compilation unit to eh_data section.
1435 (output_exception_table_data): Common parts of output_exception_table.
1436 Send output to eh_data section.
1437 (output_function_exception_table): Output exception table data for
1438 a single function to eh_data section.
1439 (free_exception_table): New external to free the table.
1440 * except.h (free_exception_table): Add prototype.
1441 (output_function_exception_table): Add prototype.
1442 * final.c (final_end_function): Output function exception table
1443 for IA64_UNWIND_INFO.
1444 (final_scan_insn): Emit any unwind directives for an insn.
1446 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1447 from frame.c.
1448 * frame.c: Remove all DWARF 2 specific code.
1449 * config/ia64/frame-ia64.c: New file.
1450 (gthread_stuff): Make all gthread available with
1451 IA64_UNWIND_INFO.
1452 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1453 (__register_frame_info, __register_frame): Move to common area of file.
1454 (__register_frame_info_table, __register_frame_table): Move to common i
1455 area.
1456 (__deregister_frame_info, __deregister_frame): Move to common area.
1457 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1458 (read_uleb128): New version for ia64.
1459 (get_unwind_record): Read the next IA-64 unwind record.
1460 (read_R_record): Read a region header record.
1461 (process_a_b_reg_code): X record helper.
1462 (read_X_record): Read an X format record.
1463 (read_B_record): Read a B format record.
1464 (P3_record_types): List of record types matching the P3 format.
1465 (P7_record_types): List of record types matching the P7 format.
1466 (P8_record_types): List of record types matching the P8 format.
1467 (read_P_record): Read a P format record.
1468 (init_ia64_reg_loc): Set default fields for a register.
1469 (init_ia64_unwind_frame): Set defaults for all register records.
1470 (execute_one_ia64_descriptor): Execute one descriptor record.
1471 (rse_address_add): Calculate the position of a local reg in memory.
1472 (normalize_reg_loc): Turn a location descriptor into a memory address.
1473 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1474 within a specified PC offset range.
1475 (get_real_reg_value): Given a register location, retrieve its value.
1476 (set_real_reg_value): Change the value of a register location.
1477 (copy_reg_value): Copy reg values, if needed.
1478 (copy_saved_reg_state): Copy all registers that need to be copied.
1479 (process_state_between): Normalize all frame register records that
1480 fall within the specified PC range.
1481 (frame_translate): Take a processed frame description, and turn
1482 everything into addresses.
1483 (build_ia64_frame_state ): Find and create frame state record for a PC.
1484 (get_personality): Get the personality routine for a given frame.
1485 (get_except_table): Get the exception table for a given frame.
1486 (record_name): Unwind record names for debugging.
1487 (print_record): Print and unwind record.
1488 (print_all_records): Print an entire unwind image.
1489 (__ia64_backtrace): Print a backtrace.
1490 (ia64_backtrace_helper): New function.
1491 (__register_frame_info_aux): New function.
1492 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1494 * frame.h (enum unw_record_type): New unwind record types.
1495 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1496 (struct unw_r_record, unwind_record): New unwind record structs.
1497 (struct unwind_info_ptr): Unwind information layout.
1498 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1499 descriptors.
1500 (struct ia64_reg_loc): Register location description.
1501 (struct ia64_frame_state): Location of all registers in a frame.
1502 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1503 * libgcc2.c (__ia64_personality_v1): Personality routine.
1504 (__calc_caller_bsp): Calculate the bsp register for the caller's
1505 frame.
1506 (ia64_throw_helper): Figure out who to return to and set up the
1507 registers.
1508 (__throw): Throw routine.
1510 * output.h (assemble_eh_align, assemble_eh_label): New functions
1511 to generate EH info where we want it.
1512 (assemble_eh_integer): New function.
1513 * toplev.c (compile_file): Output module level exception table for
1514 non-ia64 targets.
1515 (main): Set exceptions_via_longjump and flag_new_exceptions based
1516 on IA64_UNWIND_INFO too.
1518 * varasm.c (assemble_eh_label): Generate a label via
1519 ASM_OUTPUT_EH_LABEL if it has been specified.
1520 (assemble_eh_align): Generate an alignment directive via
1521 ASM_OUTPUT_EH_ALIGN if it has been specified.
1522 (assemble_eh_label): Generate an integer value via
1523 ASM_OUTPUT_EH_type if they have been specified.
1524 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1525 (ia64_init_builtins): Add __builtin_ia64_bsp
1526 and __builtin_ia64_flushrs.
1527 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1528 IA64_BUILTIN_FLUSHRS.
1529 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1530 IA64_BUILTIN_FLUSHRS.
1532 * config/ia64/ia64.md (flushrs): New insn to flush the register
1533 stack. Add to unspec list.
1535 * config/ia64/crtbegin.asm (frame_object): Change size.
1536 (__do_frame_setup_aux): New function.
1537 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1538 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1539 * Makefile.in (LIB2ADDEH): Add.
1540 (LIB2ADD): Use LIB2ADDEH.
1542 2000-05-24 Richard Henderson <rth@cygnus.com>
1544 * recog.c (offsettable_address_p): If mode size is zero, assume
1545 BIGGEST_ALIGNMENT.
1547 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1549 * configure.in: Check for -Wno-long-long option support and improve
1550 handling of warning CFLAGS for stages 1 and 2.
1551 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1552 * configure: Regenerate.
1554 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1556 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1557 * contrib.texi: New file.
1559 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1561 * loop.c (basic_induction_var): Avoid double recording of an increment.
1563 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1565 * Back out this patch:
1566 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1567 * loop.h (struct induction): Add multi_insn_incr.
1568 * loop.c (basic_induction_var): New multi_insn_incr argument.
1569 Set it if we search back through previous insns for the biv.
1570 (record_biv): New multi_insn_incr argument; fill in struct induction.
1571 (strength_reduce): Discard an iv with multiple bivs, any of
1572 which require multiple insns to increment.
1574 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1576 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1578 * rtl.h (loc_mentioned_in_p): Declare.
1579 * reload.c (loc_mentioned_in_p): Moved from here...
1580 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1581 Fix loop increment for 'E' handling.
1582 * loop.c (strength_reduce): When doing biv->giv conversion,
1583 take multi-insn biv increments into account.
1585 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1587 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1588 BARRIER.
1590 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1592 * calls.c (expand_call): Handle cleanups in tail-recursion
1593 arguments analagously to cleanups in sibling calls.
1595 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1597 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1598 All callers changed.
1600 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1602 * expr.c (expand_assignment, store_expr, expand_expr,
1603 expand_expr_unaligned): Set in_check_memory_usage while emitting
1604 chkr_check_addr libcall.
1606 2000-05-24 Nick Clifton <nickc@cygnus.com>
1608 * fold-const.c (extract_muldiv): When constructing a
1609 multiplier/divisor, do not expect const_binop to correctly
1610 determine if overflow has occured, so check explicitly.
1612 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1614 * c-decl.c (build_enumerator): Don't modify the value's type,
1615 convert it.
1617 2000-05-24 Andreas Jaeger <aj@suse.de>
1619 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1621 2000-05-24 Eric Christopher <echristo@cygnus.com>
1623 * configure.in: Redefine inhibit_libc conditions.
1624 * libgcc2.c: Remove inhibit_libc conditional define.
1625 * configure: Regenerate.
1627 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1629 * configure.in: For --enable-languages=LIST, check for empty LIST.
1630 * configure: Regenerate.
1632 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1634 * pdp11.h (STACK_BOUNDARY): Define.
1636 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1638 * ifcvt.c (if_convert): Update life info globally.
1640 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1642 * emit-rtl.c (unshare_all_decls): New function.
1643 (unshare_all_rtl): Call it.
1645 2000-05-23 Nick Clifton <nickc@cygnus.com>
1647 * configure.in: Treat 'strongarm' as if it were 'arm' when
1648 determining cpu type.
1650 * configure: Regenerate.
1652 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1653 where constant strings are involved.
1655 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1656 char *'.
1658 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1659 cases where constant strings are involved.
1661 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1663 * config/sh/sh.c (gen_far_branch, split_branches): Update
1664 to reflect new prototypes for redirect_jump and invert_jump.
1665 (sh_insn_length_adjustment): Get rid of const warnings.
1667 2000-05-23 Kazu Hirata <kazu@hxi.com>
1669 * invoke.texi (Options for Debugging Your Program or GCC): Update
1670 the names of dump files.
1672 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1674 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1675 * configure: Regenerated.
1677 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1679 * simplify-rtx.c (SIGN_EXTEND): New macro.
1680 (simplify_unary_operation, simplify_binary_operation,
1681 simplify_relational_operation): Use SIGN_EXTEND. Make low
1682 halves of (low, high) pairs unsigned if they weren't already.
1683 (simplify_ternary_operation): Cast INTVAL to unsigned before
1684 comparing to a MODE_BITSIZE.
1686 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1688 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1689 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1691 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1692 gcc_AC_NEED_DECLARATIONS.
1694 * dwarfout.c: Don't prototype time().
1696 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1698 * system.h: Likewise.
1700 * toplev.c: Likewise.
1702 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1704 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1706 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1708 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1710 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1712 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1714 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1716 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1717 (alpha_start_function): Never write ..ng label if VMS or NT.
1718 (alpha_align_insns): Remove GP_IN_USE arg.
1719 Alignment now unsigned.
1720 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1721 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1722 and two define_insn's.
1724 2000-05-22 Richard Henderson <rth@cygnus.com>
1726 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1728 2000-05-22 Richard Henderson <rth@cygnus.com>
1730 * stor-layout.c (place_field): Change rli->size to rli->offset.
1732 2000-05-22 Richard Henderson <rth@cygnus.com>
1734 * function.c (thread_prologue_and_epilogue_insns): Make sure
1735 existing line number notes appear after the prologue.
1737 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1739 * config/alpha/alpha.c (alpha_fnname): New static variable.
1740 (print_operand, case '~'): New case.
1741 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1742 (alpha_start_function): Set alpha_fnname.
1743 Write "ng" label if no ldgp; don't write ldgp insn.
1744 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1745 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1747 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1749 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1750 on deleted labels.
1752 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1754 * varasm.c (eh_frame_section): Revert change to argument list.
1756 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1758 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1759 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1761 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1762 dangling "else" that causes "break" to be conditional.
1763 Also remove unneeded code at start.
1765 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1767 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1768 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1769 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1771 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1773 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1774 just one argument.
1776 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1778 * alias.c (record_component_aliases): New function.
1779 * tree.h: Clean up some declarations and comments.
1780 (record_component_aliases): New declaration.
1781 * tree.c (get_alias_set): If type and has alias set, use it.
1783 2000-05-22 Richard Henderson <rth@cygnus.com>
1785 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1786 IF_THEN_ELSE to a setcc form.
1787 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1789 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1791 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1792 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1794 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1796 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1797 not a PARALLEL.
1799 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1801 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1802 * config/mn10300/mn10300.c (print_operand): Likewise.
1804 * final.c (split_double): Right shift of negative values is not
1805 portable.
1807 * ifcvt.c (if_convert): Scan and kill dead code.
1809 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1811 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1813 * diagnostic.c: Eliminate implicit int.
1814 * except.c, gcc.c: Add static prototypes.
1815 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1816 * gensupport.c (process_rtx): Use XVEC to initialize vector
1817 slot of 'split'.
1819 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1820 debug_reg_names instead of static reg_names. If not, define
1821 global reg_names.
1822 * regclass.c: Don't define global reg_names unless
1823 DEBUG_REGISTER_NAMES is defined.
1825 * reload1.c (order_regs_for_reload): Remove unused variable.
1826 * varasm.c: Include output.h after defaults.h. Define
1827 eh_frame_section as function of no args, not of unspecified args.
1829 * gcc.c: Constify argbuf; arguments to store_arg,
1830 process_command, main; elements of struct command and struct
1831 switchstr; local variables in execute, process_command, main.
1833 2000-05-20 Bruce Korb <bkorb@gnu.org>
1835 * fixinc/inclhack.def: many applications of c_fix=format + tests
1836 * fixinc/check.diff: regenerated
1837 * fixinc/fixincl.x: regenerated
1839 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1841 * alias.c: Clarify some comments.
1842 (record_base_value): REGNO is unsigned.
1843 * rtl.h (record_base_value): Likewise.
1845 * alias.c (aliases_everything_p): Don't special-case QImode here.
1846 * c-common.c (c_get_alias_set): Do it here.
1847 Handle BIT_FIELD_REF by getting alias info for arg.
1848 Use POINTER_TYPE_P.
1850 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1852 * mklibgcc.in: Restore rule to create ${dir}.
1854 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1856 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1857 GCC_FOR_TARGET used by MULTILIBS.
1858 * mklibgcc.in: Make sure each .o file depends on the
1859 directory it will be in.
1860 Make the multilib directory depends libgcc.
1862 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1864 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1866 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1868 * fold-const.c (make_range): Handle degenerated intervals.
1869 Fixes c-torture/execute/991221-1.c
1871 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1873 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1874 * reload.c (find_equiv_reg): Likewise.
1875 * alias.c (init_alias_analysis): Likewise.
1876 Only call prologue_epilogue_contains on insns.
1877 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1878 * bb-reorder.c (hard-reg-set.h): Include earlier.
1879 * haifa-sched.c (hard-reg-set.h): Likewise.
1880 * ifcvt.c (hard-reg-set.h): Likewise.
1881 * local-alloc.c (hard-reg-set.h): Likewise.
1882 * loop.c (hard-reg-set.h): Likewise.
1883 * predict.c (hard-reg-set.h): Likewise.
1884 * regrename.c (hard-reg-set.h): Likewise.
1885 * flow.c (hard-reg-set.h): Likewise.
1886 (reg_set_to_hard_reg_set): New function.
1887 * bitmap.c (regs.h, basic-block.h): No longer include.
1888 (bitmap.h): Now include.
1889 * conflict.c (hard-reg-set.h): Include.
1890 * profile.c (hard-reg-set.h): Likewise.
1891 * print-rtl.c (hard-reg-set.h): Likewise.
1892 * sbitmap.c (hard-reg-set.h): Likewise.
1893 * toplev.c (hard-reg-set.h): Likewise.
1894 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1895 * hard-reg-set.h (reg_names): Now constant.
1896 * regs.h (reg_names): Likewise.
1897 * regclass.c (reg_names): Likewise.
1898 * loop.h (basic-block.h): No longer include.
1899 (bitmap.h): Now include.
1900 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1901 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1902 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1904 2000-05-19 Jan Hubicka <jh@suse.cz>
1905 Richard Henderson <rth@cygnus.com>
1907 * basic-block.h (struct edge_def): New field "count".
1908 (struct basic_block_def): Likewise.
1909 * flow.c (entry_exit_blocks): Add count fileds.
1910 (split_edge): Keep count information up-to-date.
1911 (dump_edge_info, dump_flow_info): Dump count fields.
1913 * final.c (count_instrumented_edges): Rename to edge from arc.
1914 (end_final): Update users.
1915 * profile.c: Include expr.h, basic-block.h.
1916 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1917 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1918 (ignore_next_note, return_label_execution_count): Kill.
1919 (bbg_file_name, da_file_name): Kill.
1920 (edge_info, bb_info): New structures.
1921 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1922 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1923 (total_num_edges_instrumented): Likewise.
1924 (init_arc, expand_spanning_tree): Kill.
1925 (fill_spanning_tree, tablejump_entry_p): Kill.
1926 (instrument_edges): Rewrite from instrument_arcs to use
1927 commit_edge_insertions infrastructure.
1928 (compute_branch_probabilities): Remove arguments; rewrite for
1929 CFG infrastructure; use rtl_dump_file directly.
1930 (branch_prob, find_spanning_tree): Likewise.
1931 (union_groups, find_group): New.
1932 (init_branch_prob): Make bbg_file_name and da_file_name local.
1933 (end_branch_prob): Use rtl_dump_file directly.
1934 (init_edge_profiler): Rename to edge from arc.
1935 (output_arc_profiler): Kill.
1936 (gen_edge_profiler): New.
1937 (output_func_start_profiler): Turn off profiling. Make the
1938 constructor static when we can.
1939 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1941 * toplev.c (DFI_flow): Remove.
1942 (DFI_cfg, DFI_life): New.
1943 (dump_file): Update accordingly.
1944 (compile_file): Call end_branch_prob if profile_arc_flag too.
1945 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1946 profiling after the CFG is built. Move flow1 life analysis to
1947 DFI_life. Always estimate remaining probabilities.
1949 2000-05-19 Richard Henderson <rth@cygnus.com>
1951 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1953 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1955 2000-05-19 Richard Henderson <rth@cygnus.com>
1957 * jump.c (redirect_jump): Add delete_unused argument. Don't
1958 remove labels and code following when LABEL_NUSES goes to zero.
1959 (invert_jump): Likewise.
1960 (jump_optimize_1): Fix redirect/invert arguments.
1961 (do_cross_jump, thread_jumps): Likewise.
1962 * flow.c (split_edge): Likewise.
1963 * reorg.c (optimize_skip): Likewise.
1964 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1965 * profile.c (instrument_arcs): Likewise.
1966 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1967 * rtl.h: Update prototypes.
1969 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1971 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1972 notes.
1973 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1974 critical edges.
1976 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1978 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1979 past l1 when deleting whitespace and markers.
1981 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1982 * cpplib.c (do_unassert): Put the list to compare against on
1983 the stack.
1985 2000-05-19 Bruce Korb <bkorb@gnu.org>
1987 * fixinc/README: cleaned up old documentation
1988 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1989 * fixinc/check.tpl: compute the list of needed directories
1990 emit "#if defined(name)" because of conflict
1991 omit machine name differences from output differences
1992 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1993 (machine_name): change test text to use `sed' markers
1994 * fixinc/fixincl.x: regen
1996 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1998 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1999 a CONSTRUCTOR.
2001 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2003 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
2004 it to match the current practice.
2006 2000-05-18 Mark Mitchell <mark@codesourcery.com>
2008 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
2010 2000-05-18 Richard Henderson <rth@cygnus.com>
2012 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
2013 * rtl.h (insn_dependant_p): Declare it.
2014 * loop.c (strength_reduce): Use it.
2016 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
2018 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
2019 16-bit and 64-bit clean-up.
2021 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
2023 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
2024 * configure: Rebuilt.
2026 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2028 * genopinit.c: Use $ for escape sequences in optab patterns.
2029 Remove backslashes from optab patterns. Change $A, $B, $C to
2030 expand to (int) whatever instead of just whatever; remove
2031 explicit (int) from all optab patterns.
2033 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
2034 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
2035 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
2036 genrecog.c: Remove private copies of xmalloc, xrealloc, and
2037 xstrdup.
2039 2000-05-18 Richard Henderson <rth@cygnus.com>
2041 * jump.c (jump_optimize_1): Base minimum insn count during
2042 find_cross_jump on BRANCH_COST.
2044 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2046 * print-rtl.c (print_rtx): Only print note line number as string
2047 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
2048 * final.c (final_scan_insn): Do nothing for note line number 0.
2050 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2052 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
2053 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
2054 NOTE_INSN_DELETED_LABEL.
2056 2000-05-18 Nick Clifton <nickc@cygnus.com>
2058 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
2059 uninitialised data in .rodata not .bss, and do not interpret an
2060 error in the initialisation value as meaning that the variable
2061 should be placed in the .bss section.
2063 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
2065 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
2066 not `$ac_cv_prog_cc_cc_c_o'.
2067 * configure: Regenerated.
2069 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2070 Richard Henderson <rth@cygnus.com>
2072 * c-common.h (enum c_tree_index): Add g77 type entries.
2073 (g77_integer_type_node, g77_uinteger_type_node): New.
2074 (g77_longint_type_node, g77_ulongint_type_node): New.
2075 * c-decl.c (init_decl_processing): Initialize them.
2077 2000-05-18 Richard Henderson <rth@cygnus.com>
2079 * config/h8300/h8300.md (subs patterns): Use %G to negate.
2081 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
2082 (small_power_of_two): Likewise; use exact_log2.
2083 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
2084 (output_adds_subs): Remove.
2085 (two_insn_adds_subs_operand): New.
2086 (split_adds_subs): New.
2087 * config/h8300/h8300-protos.h: Update.
2088 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
2089 (CONST_OK_FOR_L): Match strict adds operands.
2090 (CONST_OK_FOR_N): Match struct subs operands.
2091 * config/h8300/h8300.md (adds_subs insns): Remove.
2092 (addhi patterns): Output adds/subs directly.
2093 (addsi_h8300h): Likewise.
2094 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
2096 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2098 * cppexp.c (parse_assertion): New.
2099 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
2100 (_cpp_parse_expr): Remove case '#'. Don't set
2101 parsing_if_directive.
2102 * cpphash.c (collect_objlike_expansion,
2103 collect_funlike_expansion, collect_params,
2104 _cpp_create_definition): The list no longer has a trailing
2105 VSPACE token.
2106 * cpphash.h (enum node_type): Add T_ASSERTION.
2107 (struct hashnode): Remove aschain, add pred.
2108 (struct predicate): New.
2109 Update prototypes.
2111 * cpplex.c (expand_token_space): Handle both offset and
2112 nonoffset lists.
2113 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
2114 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
2115 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
2116 _cpp_equiv_toklists): New.
2117 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
2118 stop at any single-character token, not just newline.
2119 (_cpp_lex_token): Remove special cases for #define and #if.
2120 (cpp_get_token): Expect # as a separate token type. Remove
2121 DIRECTIVE case.
2122 (_cpp_get_directive_token): Remove DIRECTIVE case.
2123 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
2125 * cpplib.c (_cpp_check_directive): Set dirno and
2126 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
2127 (_cpp_handle_directive): Run # <number> through the same logic
2128 as normal directives.
2129 (do_define): Don't set parsing_define_directive. Use
2130 _cpp_scan_until. The list does not have a VSPACE at the end.
2131 (do_if): Save, clear, and restore only_seen_white around
2132 _cpp_parse_expr.
2133 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
2134 (do_assert, do_unassert): Rewrite.
2136 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
2137 (LIST_OFFSET): New flag.
2138 (struct cpp_toklist): Replace dir_handler and dir_flags with
2139 dirno and flags.
2140 (struct cpp_reader): Remove parsing_if_directive and
2141 parsing_define_directive.
2143 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
2146 following the cabs decl which terminate on the following line.
2147 Add the corresponding test_text case.
2149 2000-05-18 Neil Booth <NeilB@earthling.net>
2151 * cppinit.c (cpp_reader_init): Initialise col_adjust and
2152 default tab stop size.
2153 (no_num, OPT_ftabstop): New.
2154 (handle_option): Handle "ftabstop=" command-line option.
2155 (print_help): Document it.
2156 * cpplex.c (COLUMN): Remove.
2157 (handle_newline): Reset col_adjust.
2158 (skip_whitespace): Update col_adjust as tabs encountered.
2159 (_cpp_lex_line): Update to use col_adjust. Call
2160 skip_whitespace for all whitespace.
2161 * cpplib.h (struct cpp_options): New member tabstop.
2162 (struct cpp_reader): New member col_adjust.
2163 (CPP_BUF_COL): Update.
2164 (CPP_BUF_COLUMN): New.
2165 * cpp.texi: Document "-ftabstop=" command line option.
2167 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
2169 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
2170 files.
2171 * configure: Rebuilt.
2173 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
2175 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
2177 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
2178 HOST_BITS_PER_WIDE_INT is >= 64.
2180 2000-05-17 Richard Henderson <rth@cygnus.com>
2182 * jump.c (jump_optimize_1): Remove inactive but real insns
2183 in jump-to-next-insn optimization.
2185 2000-05-17 Richard Henderson <rth@cygnus.com>
2187 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
2188 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
2189 Don't call recompute_reg_usage if no_new_pseudos is true.
2190 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
2191 Return true if we did work; update global life information.
2192 * basic-block.h (optimize_mode_switching): Update decl.
2194 2000-05-17 Neil Booth <neilb@earthling.net>
2196 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
2198 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
2200 * cpplib.c: New feature, #pragma system_header.
2201 * cpp.texi: Document special treatment of system headers, and
2202 the various mechanisms to get a header that special treatment.
2204 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2206 * system.h (offsetof): Define at the very end, to ensure we prefer
2207 the platform's definition if available.
2209 2000-05-16 Bruce Korb <bkorb@gnu.org>
2211 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
2212 * fixinc/server.c: likewise
2213 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
2214 + #ifdef debugging code + use #def constant for
2215 sub-pattern count
2216 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
2217 on C++ math namespace
2219 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2221 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
2222 Don't check the return value of sprintf. Use asprintf to avoid
2223 buffer overflows.
2225 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
2227 * flags.h (warn_unused_function, warn_unused_label,
2228 warn_unused_parameter, warn_unused_variable, warn_unused_value):
2229 Replace ``warn_unused''.
2230 (set_Wunused): Add declaration.
2231 * toplev.c (set_Wunused): New function.
2232 (warn_unused_function, warn_unused_label, warn_unused_parameter,
2233 warn_unused_variable, warn_unused_value): New variables.
2234 (W_options): Add -Wunused-function, -Wunused-function,
2235 -Wunused-label, -Wunused-parameter, -Wunused-variable and
2236 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
2238 * toplev.c (decode_W_option): Update -Wunused flags by calling
2239 set_Wunused.
2240 * c-decl.c (c_decode_option): Ditto for -Wall.
2242 * stmt.c (expand_expr_stmt, expand_expr_stmt,
2243 warn_about_unused_variables): Replace warn_unused with more
2244 explicit warn_unused_value et.al.
2245 * function.c (expand_function_end): Ditto.
2246 * c-typeck.c (internal_build_compound_expr,
2247 internal_build_compound_expr): Ditto.
2248 * c-decl.c (poplevel, pop_label_level): Ditto.
2249 * toplev.c (check_global_declarations): Replace warn_unused with
2250 check for either warn_unused_function or warn_unused_variable.
2252 * gcc.1, invoke.texi (Warning Options): Document
2253 -Wunused-function, -Wunused-function, -Wunused-label,
2254 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
2256 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
2258 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
2259 $(srcdir), not in the current directory.
2261 2000-05-16 Richard Henderson <rth@cygnus.com>
2263 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
2264 assembler supports it.
2265 (.fini, .init): Use a gp-relative indirect call.
2266 (__do_global_dtors_aux): Preserve the gp; rebundle.
2267 (__do_frame_setup): Likewise.
2268 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
2269 (.init): Use a gp-relative indirect call.
2270 (__do_global_ctors_aux): Preserve the gp.
2272 2000-05-16 Richard Henderson <rth@cygnus.com>
2274 * flow.c (commit_one_edge_insertion): Be prepared for a return
2275 insn to be inserted on the edge with a normal jump.
2276 * jump.c (jump_optimize_1): Don't look to create return isns.
2278 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2279 * jump.c (jump_optimize_1): Likewise.
2280 (returnjump_p): Verify the argument is a JUMP_INSN.
2281 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2283 2000-05-16 Nick Clifton <nickc@cygnus.com>
2285 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2286 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2287 (large_insn_p): Ditto.
2288 (m32r_is_insn): New function: Return true if the insn contains
2289 an executable instruction.
2290 (m32r_adjust_insn): Use m32r_is_insn.
2291 (m32r_sched_reorder): Use m32r_is_insn.
2292 (m32r_sched_variable_issue): Use m32r_is_insn.
2294 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2296 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2297 VAR_DECL.
2299 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2301 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2302 according to given options.
2304 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2306 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2307 if X has VOIDmode either.
2308 (LIMIT_RELOAD_CLASS): Similarly.
2310 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2311 not "general_operand" to match the processor's capabilities.
2313 2000-05-16 Bruce Korb <bkorb@gnu.org>
2315 * fixinc/README: corrected return address
2316 * fixinc/check.diff: regenerate, now that test works
2317 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2318 (char_macro_def_fix,char_macro_use_fix): corrected and
2319 rewrote to use regex to parse the text
2320 * fixinc/inclhack.def: more testing
2321 * fixinc/fixincl.x: regenerated
2323 * fixinc/inclhack.def: added several "test_text" attributes
2324 changed several fixes to use `c_fix = format'
2325 re-alphabetized the fixes
2327 * fixinc/check.diff: regenerate
2328 * fixinc/fixincl.x: regenerate
2329 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2330 of created dirs
2333 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2335 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2337 2000-05-15 Richard Henderson <rth@cygnus.com>
2339 * toplev.c (rest_of_compilation): Run full jump pass before
2340 find_basic_blocks of flow2.
2342 2000-05-15 Richard Henderson <rth@cygnus.com>
2344 * jump.c: Fix typos and clarify commentary from last change.
2345 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2346 (safe_to_remove_jump_p): Remove.
2347 (condjump_label): Use pc_set.
2349 2000-05-15 Richard Henderson <rth@cygnus.com>
2351 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2352 that get in the way after reload.
2353 (cond_exec_process_if_block): Skip a label heading THEN block.
2355 2000-05-15 Richard Henderson <rth@cygnus.com>
2357 * varasm.c (output_constant_pool): Abort instead of converting
2358 (improperly) deleted labels to zero.
2360 2000-05-16 Neil Booth <NeilB@earthling.net>
2362 * cpplex.c (parse_string2): Update comment.
2363 (cpp_lex_line): No special assertion treatment for '('.
2364 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2365 * cpplib.h (SYNTAX_ASSERT): Remove.
2367 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2369 * jump.c (condjump_p): Mark as depreached.
2370 (any_condump_p): New.
2371 (any_uncondump_p): New.
2372 (pc_set): New.
2373 (safe_to_remove_jump_p): New.
2374 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2375 safe_to_remove_jump_p): Declare.
2377 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2379 * calls.c: Re-install both patches reverted by last patch.
2380 (struct arg_data): New field tail_call_reg.
2381 (initialize_argument_information): Initialize tail_call_reg
2382 (load_register_parameters): New argument flags, use
2383 tail_call_reg when emiting tail call sequence.
2384 (expand_call): Update call of load_register_parameters;
2385 copy unadjusted_args_size to adjusted_args_size.
2387 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2389 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2390 and bct_p parameters to flags.
2391 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2392 * rtl.h (loop_optimize): Update prototype.
2393 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2395 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2397 * calls.c (expand_call): Move expand_start_target_temps call after
2398 start_sequence().
2400 2000-05-15 Neil Booth <NeilB@earthling.net>
2402 * cpphash.c (trad_stringify, warn_trad_stringify,
2403 collect_params): Make some pointers pointers to const.
2404 * cpplex.c (auto_expand_name_space) Guaranteed to always
2405 expand by at least one character.
2406 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2407 (struct token_spelling): Use const U_CHAR * rather than PTR.
2408 (expand_name_space): Fix up token pointers if name space
2409 is moved when expanding.
2410 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2411 parse_string2, save_comment, spell_token, cpp_output_list):
2412 Update so the routines handle tokens with a direct pointer to
2413 their text, rather than an offset into the token's list's namebuf.
2414 (_cpp_lex_line): Rearrange for clarity.
2416 * cpplib.c (_cpp_check_directive): Similarly.
2417 (do_define): Make SYM a pointer to const.
2418 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2419 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2420 (TOK_OFFSET): Delete.
2421 (TOK_NAME): Update.
2423 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2425 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2426 64-bit ABI.
2428 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2429 into account.
2430 (logical_u_operand): Delete.
2431 (non_logical_cint_operand): Rewrite to take MODE into account.
2432 (non_logical_u_cint_operand): Delete.
2433 (boolean_operator): New function.
2434 (print_operand): Add new %q operand.
2435 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2436 remove logical_u_operand and non_logical_u_cint_operand,
2437 update logical_operand and non_logical_cint_operand.
2438 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2439 logical operations to use %q.
2441 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2442 (movdi): Make similar to movsi.
2443 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2444 is no such thing as a DImode CONST_DOUBLE.
2445 * config/rs6000/rs6000.c (output_toc): Likewise.
2447 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2448 codes when old mnemonics are in use. Print register names
2449 for cc registers when requested.
2451 * optabs.c (expand_float): Don't allow mode widening that causes
2452 double rounding.
2454 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2455 flags to their current names -maix64 and -maix32.
2457 2000-05-14 Bruce Korb <bkorb@gnu.org>
2459 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2460 and/or after current text of file
2461 * fixinc/fixlib.c(must_malloc):
2462 * fixinc/fixlib.h(must_malloc): + reformatting
2463 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2464 with usages of ``c_fix = wrap;''
2465 Add several tests and use the ``c_fix = format'' fixer more.
2466 * fixinc/fixincl.x: regen
2467 * fixinc/check.diff: regen
2468 * fixinc/check.tpl: emit the associated header with the missing
2469 test message
2471 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2473 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2474 variables $src and $dst.
2476 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2478 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2479 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2480 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2481 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2482 fields.
2483 (set_message_prefixing_rule): Declare.
2485 * diagnostic.c: (current_prefixing_rule): New variable.
2486 (set_message_prefixing_rule): Define.
2487 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2488 (init_output_buffer): Adjust Initialization.
2489 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2491 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2493 * ifcvt.c (if_convert): Do not free NULL.
2495 2000-05-12 Nick Clifton <nickc@cygnus.com>
2497 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2498 to move a double word value.
2499 (di_operand): New function: Return true if the operand is suitbale
2500 for a double word move operation.
2501 (nonimmediate_di_operand): New function: Return true if the
2502 operand is a DImode register or MEM.
2504 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2505 nonimmediate_di_operand.
2507 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2508 nonimmediate_di_operand.
2510 * config/fr30/fr30.md (movdi): New pattern. Required because
2511 other patterns generate DImode results.
2512 (movdi_insn): New pattern.
2514 2000-05-12 Richard Henderson <rth@cygnus.com>
2516 * config/alpha/alpha.c (struct shadow_summary): Define
2517 bitfields as type unsigned int.
2519 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2521 * config/avr/t-avr: Added definition of FLOAT while generates
2522 fp-bit.c
2524 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2525 peepholes for tst+jump = sbrs/sbrc optimization.
2527 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2529 * expr.c (emit_push_insn): Do not adjust stack pointer when
2530 preallocating.
2532 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2534 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2535 * system.h (offsetof): ... to here.
2537 2000-05-12 Richard Henderson <rth@cygnus.com>
2539 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2540 * final.c (final_end_function): Use app_disable. Rearrange note
2541 handling into a switch. Emit deleted labels.
2542 (output_asm_label): Generate label strings for deleted labels.
2543 * flow.c (tail_recursion_label_list): New.
2544 (find_basic_blocks_1): Set label_value_list directly. Collect list
2545 of tail recursion labels from call_placeholders. Don't add deleted
2546 labels to the label value list.
2547 (cleanup_cfg): Use free_EXPR_LIST_list.
2548 (flow_delete_insn_chain): Turn non-removable labels into notes.
2549 (flow_delete_block): Don't disable deleting the block because of
2550 a non-removable label.
2551 (tail_recursion_label_p): New.
2552 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2553 because of a label.
2554 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2555 jump table.
2556 (merge_blocks): Disable a merge because of tail recursion labels.
2557 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2558 Use a more accurate measure of not merging the join block.
2559 (find_if_block): Don't disable conversion because of a label.
2560 (find_if_case_1, find_if_case_2): Likewise.
2561 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2562 element when copying.
2563 (squeeze_notes): Also leave EH notes.
2564 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2565 REG_LABEL notes.
2566 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2567 deleting a label.
2568 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2569 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2570 referring to a deleted label. Convert tail handling to a switch.
2571 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2572 for NOTE_INSN_DELETED_LABEL.
2573 (NOTE): Fix commentary.
2574 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2575 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2576 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2577 (LABEL_NUSES, LABEL_REFS): Likewise.
2578 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2580 2000-05-12 Bruce Korb <bkorb@gnu.org>
2582 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2583 * fixinc/check.diff: updated
2584 * fixinc/inclhack.def: corrected & added some test_text-s
2585 * fixinc/genfixes: removed unneeded options to autogen invocation
2586 * fixinc/fixincl.tpl: Specified the output file
2587 * fixinc/fixfixes.c: visual appearance
2588 * fixinc/fixincl.x: regenerate
2590 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2592 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2593 CTRL_defn_fix): Delete.
2594 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2595 char_macro_def_fix and char_macro_use_fix, respectively. Put
2596 them into the FIXUP_TABLE. Get the string to search for from
2597 a c_fix_arg.
2599 (format_write): New function.
2600 (format_fix): Use it.
2602 (FIX_PROC_HEAD): Constify text parameter.
2603 (machine_name_fix): Constify all char *s.
2604 * fixtests.c (skip_quote): Remove double static.
2606 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2607 ctrl_use_quotes): Update for new scheme.
2608 * fixincl.x: Regenerate.
2610 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2612 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2613 DWARF2_DEBUG.
2614 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2615 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2617 2000-05-11 Robert Lipe <robertlipe@usa.net>
2619 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2620 * fixincl.x: Regenerate.
2622 2000-05-11 Richard Henderson <rth@cygnus.com>
2624 * calls.c: Revert both 05-09 patches.
2626 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2628 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2629 hexadecimal.
2630 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2631 for FP values.
2633 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2634 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2636 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2638 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2640 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2642 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2644 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2646 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2647 * config/avr/avr.c (jump_over_one_insn_p): New function.
2648 * config/avr/avr.md: New peepholes added. Output test and
2649 conditional jump to "sbrc" or "sbrs" command.
2651 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2653 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2655 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2657 * except.c (find_exception_handler_labels_1): New function.
2658 (find_exception_handler_labels): Split into two functions, dive
2659 into CALL_PLACEHOLDERs when looking for exception handler labels.
2661 2000-05-11 Stan Cox <scox@cygnus.com>
2663 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2664 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2665 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2667 2000-05-11 Bruce Korb <bkorb@gnu.org>
2669 * fixinc/fixfixes.c (double_slash_fix): obsolete
2670 (else_endif_label_fix): obsolete
2671 (format_fix): new, unused as yet
2672 (main): obsolete
2673 * fixinc/fixlib.h: added fix description struct for use by format_fix
2674 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2675 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2676 modules. Removed the vestiges of the script version.
2677 Added support for "make check".
2678 * fixinc/check.diff: base diff file (needs work!!)
2679 * fixinc/check.tpl: quiet the fixup output
2680 * fixinc/fixtests.c (main): obsolete
2681 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2682 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2684 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2686 * toplev.c (rest_of_compilation): Remove dead code after
2687 combine.
2689 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2691 * cpphash.c (collect_funlike_expansion): Make "# is not
2692 followed by a macro argument name" a pedwarn, not an error.
2693 Preserve the # in the output. Suppress the warning if lang_asm.
2695 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2697 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2698 * configure: Rebuilt.
2700 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2702 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2704 2000-05-10 Kazu Hirata <kazu@hxi.com>
2706 * combine.c (try_combine): Fix a typo.
2708 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2710 * config/ia64/ia64.md (insv): Add comment.
2712 2000-05-10 Richard Henderson <rth@cygnus.com>
2714 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2715 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2716 dependancies on FPBIT and DPBIT.
2718 2000-05-10 Nick Clifton <nickc@redhat.com>
2720 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2721 when optimising for size.
2722 (mark_used_regs:) Ditto.
2723 (try_pre_increment_1): Ditto.
2725 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2727 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2728 Make error message friendlier.
2730 * cpphash.h (struct hashnode): Use struct hack for name
2731 member.
2732 * cpphash.c (struct hashdummy): New.
2733 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2734 (make_HASHNODE): No need to set ->name pointer. Correct
2735 setting of p.
2736 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2738 2000-05-10 Richard Henderson <rth@cygnus.com>
2740 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2741 after completion.
2743 2000-05-10 Bruce Korb <bkorb@gnu.org>
2745 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2747 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2749 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2750 after we enter .debug.
2752 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2754 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2755 abstract instance of a nested inline function.
2757 * stor-layout.c (finish_record_layout): finalize_type_size
2758 before laying out the pending_statics.
2760 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2762 * cpplex.c (spell_token): New function.
2763 (spell_string, spell_comment, spell_name): fold into
2764 spell_token.
2765 (I, S): Add macros.
2766 (E, H): Remove macros.
2767 (save_comment): Save comment opening characters too.
2768 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2769 handling.
2770 * cpplib.h (I, S): Add macros.
2771 (E, H): Remove macros.
2772 (TTYPE_TABLE): Update entries for new speller.
2773 (SYNTAX_ASSERT): Remove.
2775 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2777 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2778 when removing escaped newlines. Reverse sense of test for
2779 escaped newline.
2781 2000-05-09 Richard Henderson <rth@cygnus.com>
2783 * flow.c (find_basic_blocks_1): Do not delete the first
2784 bb_note we run across.
2785 (create_basic_block): Use reorder_insns to move an existing
2786 bb_note to the correct place.
2788 2000-05-09 Richard Henderson <rth@cygnus.com>
2790 * calls.c (expand_call): Increment currently_expanding_call
2791 before calling optimize_tail_recursion.
2793 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2795 * reload1.c (reload_combine): Fix errors in last change.
2797 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2799 * gcc.c (used_arg): Skip over a semicolon at the end of the
2800 split-up loop; don't break out of it.
2802 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2803 (tree.o): Depend on output.h.
2805 * c-decl.c (pending_invalid_xref_file,
2806 current_function_prototype_file): Constify.
2807 (pushdecl): Constify a local char *.
2808 (define_label): Constify filename parameter.
2809 * c-lex.c (init_parse): Constify parameter and return value.
2810 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2811 * c-tree.h: Update prototypes.
2812 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2813 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2814 objc/objc-parse.c: Regenerate.
2816 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2817 * dwarfout.h: Update prototypes.
2818 * expr.c (expand_expr): Constify a local char *.
2819 * flags.h: Constify main_input_filename.
2820 * function.c (expand_function_end): Constify filename parameter.
2821 * genrecog.c (make_insn_sequence): Use a character array for
2822 c_test_pos.
2823 (main): Remove unused variables.
2824 * input.h: Constify input_filename, main_input_filename, and
2825 file_stack.name. Update prototypes.
2826 * output.h: Declare first_global_object_name and
2827 weak_global_object_name here, as const char *.
2828 * stmt.c (expand_asm_operands): Constify filename parameter.
2829 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2830 Constify filename parameter.
2831 (input_filename, main_input_filename): Constify.
2832 * toplev.h: Update prototypes.
2833 * tree.c: Include output.h. Don't declare
2834 first_global_object_name or weak_global_object_name. Clean up string
2835 bashing in get_file_function_name_long.
2836 * tree.h (struct tree_decl): Constify filename member.
2837 (input_filename): Constify.
2838 Update prototypes.
2839 * varasm.c (first_global_object_name, weak_global_object_name):
2840 Constify.
2841 (assemble_start_function, assemble_variable): Clean up string bashing.
2843 * gcc.c: Constify all spec-related strings initialized,
2844 transitively, from string constants. Constify all strings
2845 and string variables related to multilibs.
2846 (set_spec, read_specs): Cast argument to free to PTR.
2847 (used_arg): Do not modify multilib_matches. Use strncmp plus
2848 length comparison to compare multilib switches.
2849 * genmultilib: Constify everything declared in multilib.h.
2851 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2853 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2854 as deleted.
2856 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2858 * config/avr/avr-protos.h (extra_constraint): change a type of
2859 second argument from char to int to avoid warnings.
2860 (asm_output_byte): Likewise.
2862 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2863 (initial_elimination_offset): Handle elimination from
2864 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2865 (legitimate_address_p): Use MAX_LD_OFFSET.
2866 (legitimize_address): Likewise.
2867 (out_movqi_r_mr): Likewise.
2868 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2869 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2870 (out_movsi_mr_r): Likewise.
2871 (out_movqi_mr_r): Likewise.
2872 (out_movhi_mr_r): Likewise.
2873 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2874 count as CONST_INT != 6.
2875 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2876 shift count is a CONSTANT_P, but not a CONST_INT.
2877 (ashlhi3_out): Coding style modifications.
2878 (ashlsi3_out): Likewise.
2879 (ashrhi3_out): Likewise.
2880 (ashrsi3_out): Likewise.
2881 (lshrhi3_out): Likewise.
2882 (lshrsi3_out): Likewise.
2883 (ashrqi3_out): Generate shift for any known constant count without
2884 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2885 but not a CONST_INT.
2886 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2887 shift count is a CONSTANT_P, but not a CONST_INT.
2888 (extra_constraint): change a type of
2889 second argument from char to int to avoid warnings.
2890 (asm_output_byte): Likewise.
2891 (asm_file_end): Output size generated commands count as a hex
2892 number too.
2894 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2896 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2897 removed.
2898 (ashlqi3): Values of "length" attribute changed. Shift count
2899 uses constraints 'n' instead of 'i'.
2900 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2901 shifts without clobber register.
2902 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2903 (call_insn): Correct test for which_alternative == 1 (was 0).
2904 (call_value_insn): Likewise.
2906 * config/avr/t-avr: Remove definition of FLOAT while generates
2907 fp-bit.c
2909 2000-05-09 Bruce Korb <bkorb@gnu.org>
2911 * fixinc/check.tpl: Template for checking fixes
2912 * fixinc/inclhack.def: Added 'test_text' for many fixes
2913 disable hpux8_bogus_inlines on SCO
2914 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2916 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2918 * calls.c (expand_call): Reorganize somewhat in order
2919 to avoid unnecesary recalculation inside loop and make
2920 tail call failure code cleaner.
2922 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2924 * alias.c (nonlocal_reference_p): Minor reformatting.
2925 * reload.c (find_equiv_reg): Simplify logic for
2926 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2927 some some reformatting.
2928 * reload1.c (reload_combine): Don't assume everything in
2929 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2931 2000-05-08 Richard Henderson <rth@cygnus.com>
2933 * final.c (current_insn_predicate): New.
2934 (final_scan_insn): Set it.
2935 * output.h (current_insn_predicate): Declare.
2937 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2938 Attach it to call insns.
2939 (cond_exec_process_if_block): Track probability for true and
2940 false branches.
2941 (dead_or_predicable): Likewise.
2943 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2944 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2945 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2946 (estimate_probability, expected_value_to_br_prob): Use them.
2948 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2949 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2950 (ia64_expand_prediction): New.
2951 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2952 as needed after calls.
2953 (ia64_epilogue_uses): Mark b0 used.
2954 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2955 (bne_true, bne_false): Remove.
2956 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2957 (br_true, br_false): New. Use predicate_operator and
2958 ia64_expand_prediction.
2959 (return_true, return_false): Likewise.
2960 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2961 (call_internal1, call_value_internal): Likewise.
2962 (call_value_internal1, call_multiple_values_internal1): Likewise.
2964 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2966 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2968 2000-05-08 Richard Henderson <rth@cygnus.com>
2970 * rtlanal.c (may_trap_p): Consider old-style and volatile
2971 asms to trap.
2973 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2975 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2977 2000-05-08 Richard Henderson <rth@cygnus.com>
2979 * config/ia64/ia64.h (predicate_operator): Declare.
2981 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2982 of existance.
2984 * gensupport.c (process_rtx): Copy and post-process each member
2985 of the define_insn rtvec individually.
2987 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2989 * cpplex.c (spell_token): New function.
2990 (TOKEN_LEN): Add 1 for whitespace.
2991 (_cpp_lex_file): Update to use spell_token.
2992 * cpplib.h (E): Remove.
2993 (TTYPE_TABLE): Update CPP_VSPACE entry.
2995 2000-05-08 Richard Henderson <rth@cygnus.com>
2997 * flow.c (init_propagate_block_info): Watch out for conditional
2998 branch to next instruction, and thus one outgoing edge.
3000 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
3001 for global register variables; don't special case __[CD]TOR_LIST__;
3002 mind ggc_p for string allocation.
3004 2000-05-08 Nick Clifton <nickc@cygnus.com>
3006 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
3008 2000-05-08 Bruce Korb <bkorb@gnu.org>
3010 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
3011 i?86-*-msdosdjgpp* no longer uses fixincludes
3012 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
3013 * fixinc/inclhack.sh: deleted
3014 * fixinc/hackshell.tpl: deleted
3015 * fixinc/inclhack.tpl: deleted
3016 * fixinc/Makefile.in: Remove dependencies on above
3017 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
3019 2000-05-08 Andreas Jaeger <aj@suse.de>
3021 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
3022 support.
3024 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
3026 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
3027 substitutions.
3029 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
3031 * cpplex.c: Move new lexer definitions and prototypes
3032 to top. Conditional include these and the code if
3033 NEW_LEXER is defined. Rename functions whose names
3034 clash if this code included.
3036 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
3038 * rtl.def (COND_EXEC): Clarify.
3040 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
3041 same fashion as zero_extendsidi2.
3043 2000-05-06 Richard Henderson <rth@cygnus.com>
3045 * config/ia64/ia64.c (predicate_operator): New.
3046 (ia64_print_operand): Handle 'J'.
3047 (rtx_needs_barrier): Handle COND_EXEC.
3048 * config/ia64/ia64.h (BRANCH_COST): Define.
3049 (PREDICATE_CODES): Update.
3050 * config/ia64/ia64.md: Docuement used unspec values.
3051 (attr predicable): New.
3052 (movxf, movxf_internal): New.
3053 (extendsfdf2): Don't comment out nop.
3054 (floatdidf2): Remove.
3055 (truncxfsf2, truncxfdf2, floatdixf2): New.
3056 (abssi2, absdi2): Put the neg in the "true" slot.
3057 (conditional branch instructions): Mark not predicable.
3058 (cmov*_internal): Use predicate_operator. Split to cond_exec.
3059 (abs*_internal): Likewise.
3060 (alloc, set_bsp): Mark not predicable.
3061 (barrier, insn_group_barrier, flush_cache): Likewise.
3062 (define_cond_exec): New.
3064 2000-05-06 Richard Henderson <rth@cygnus.com>
3066 * c-decl.c: Include "tm_p.h".
3068 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
3069 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
3070 (ia64_expand_op_and_fetch): Declare.
3071 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
3072 (setjmp_operand): Constify variables for XSTR.
3073 (ia64_encode_section_info): Likewise.
3074 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
3075 values to int.
3076 (ia64_asm_output_external): Constify name.
3077 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
3078 (process_for_unwind_directive): Provide switch default.
3079 (ia64_expand_compare_and_swap): Remove unused variables.
3080 (ia64_expand_builtin): Likewise.
3081 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
3082 for printing.
3084 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
3085 (symbolic_operand, function_operand, setjmp_operand): Likewise.
3086 (shift_count_operand, shift_32bit_count_operand): Likewise.
3087 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
3088 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
3089 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
3090 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
3091 (ia64_expand_builtin): Likewise.
3092 (call_multiple_values_operation): Make dest_regno unsigned.
3094 2000-05-06 Richard Henderson <rth@cygnus.com>
3096 * rtl.def (DEFINE_COND_EXEC): New.
3097 * md.texi: Document it.
3099 * gensupport.c (input_file): Remove.
3100 (struct queue_elem): Add lineno.
3101 (rtx_ready_queue): Remove.
3102 (errors): New.
3103 (predicable_default): New.
3104 (predicable_true, predicable_false): New.
3105 (define_attr_queue, define_attr_tail): New.
3106 (define_insn_queue, define_insn_tail): New.
3107 (define_cond_exec_queue, define_cond_exec_tail): New.
3108 (other_queue, other_tail): New.
3109 (queue_pattern): New.
3110 (process_rtx): Add patterns to the appropriate queues.
3111 (is_predicable, identify_predicable_attribute): New.
3112 (n_alternatives, collect_insn_data): New.
3113 (alter_predicate_for_insn, alter_test_for_insn): New.
3114 (shift_output_template, alter_output_for_insn): New.
3115 (process_one_cond_exec, process_define_cond_exec): New.
3116 (init_md_reader): Read the entire file. Process define_cond_exec.
3117 (read_md_rtx): Return elements from the queues.
3119 2000-05-06 Richard Henderson <rth@cygnus.com>
3121 * flow.c (mark_set_1): Don't update conditional life info
3122 if the register is not_dead.
3124 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3126 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
3127 (mostlyclean): Also delete fixincl, fixinc.sh, and
3128 specs.ready, and make clean in the fixinc subdir.
3130 2000-05-06 Richard Henderson <rth@cygnus.com>
3132 * Makefile.in (gensupport.o): Compile for the host.
3133 (host-prefix gensuuprt.o): Remove.
3134 (genflags.o): Depend on gensupport.h and OBSTACK_H.
3135 (genattrtab.o): Likewise.
3136 (gencodes.o): Depend on gensupport.h.
3137 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
3138 (genpeep.o, genattr.o, genoutput.o): Likewise.
3140 * gensupport.c (obstack, rtl_obstack): New.
3141 (init_md_reader): Initialize rtl_obstack.
3142 * gensupport.h (rtl_obstack): Declare.
3143 (message_with_line): Declare.
3145 * genattr.c: Remove all traces of obstack manipulation.
3146 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
3147 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
3149 * genattrtab.c (obstack, rtl_obstack): Remove.
3150 (main): Don't init rtl_obstack.
3151 * genflags.c: Likewise.
3153 * genrecog.c (message_with_line): Move ...
3154 * gensupport.c: ... here.
3156 2000-05-06 Richard Henderson <rth@cygnus.com>
3158 * c-typeck.c (build_c_cast): Remove dead code.
3160 2000-05-06 Richard Henderson <rth@cygnus.com>
3162 * flow.c (split_edge): Don't allocate global_live_at_start for
3163 the new block unless the old blocks had them as well.
3165 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
3167 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
3168 test_bb if a or b uses x.
3170 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
3172 * cpphash.h: Remove conditional #define of __extension__.
3173 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
3174 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
3175 (ENABLE_RTL_CHECKING only).
3176 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
3177 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
3178 (ENABLE_TREE_CHECKING only).
3179 * varray.h: Add __extension__ to VARRAY_CHECK macro
3180 (ENABLE_CHECKING only).
3182 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3184 Use new tail-calling mechanism on ARM.
3185 * arm.md (sibcall, sibcall_value): New expands.
3186 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
3187 (tailcalling peepholes): Delete.
3188 (push_multi): Simplify.
3189 * arm.c (lr_save_eliminated): Delete definition.
3190 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
3191 (output_return_instruction): Remove checks on lr_save_eliminated.
3192 (output_arm_prologue): Remove old tail-calling code.
3193 (arm_output_epilogue): New parameter, really_return. All callers
3194 changed. Handle tail-calling epilogues.
3195 * arm.h (lr_save_eliminated): Delete declaration.
3196 (frame_pointer_needed): Delete declaration.
3197 * arm-protos.h (arm_output_epilogue): Adjust prototype.
3199 * arm.md (is_thumb): Examine symbol thumb_code, not expression
3200 TARGET_ARM.
3201 * arm.c (thumb_code): Define it.
3202 (arm_override_options): Set it.
3203 * arm.h (thumb_code): Declare it.
3205 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3207 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
3209 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
3211 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
3212 bogus clobber to insns.
3213 (load_multiple_operation, store_mulitple_operation): Don't check
3214 for it.
3215 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
3217 * arm.md (and_scc, ior_scc): Add missing mode.
3219 * arm.md (call_value_symbol): Remove predicate from op2.
3221 * arm.h (SPECIAL_MODE_PREDICATES): Define.
3223 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3225 * expr.c (get_subtarget): New function.
3226 (force_operand, expand_expr, do_store_flag): Use it.
3228 * toplev.c (compile_file): Don't take strlen of NAME if null.
3230 2000-05-06 David Edelsohn <edelsohn@gnu.org>
3232 * xcoffout.c (xcoff_current_include_file,
3233 xcoff_current_function_file, xcoff_lastfile): Constify char *.
3234 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
3235 char *'.
3236 (xcoffout_declare_function): Make name 'const char *'.
3237 (xcoffout_end_epilogue): Make fname 'const char *'
3238 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
3239 xcoffout_declare_function, xcoffout_source_line): Match above.
3241 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
3242 -maix64 is error.
3243 * rs6000.c (print_operand): Fix lossage typo.
3244 (output_cbranch): Remove "cr" decoration for now.
3245 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
3247 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
3249 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
3250 constant count.
3252 2000-05-05 Bruce Korb <bkorb@gnu.org>
3254 * fixinc/genfixes: Improve the matching for make target names
3256 2000-05-05 Catherine Moore <clm@cygnus.com>
3258 * c-common.c (decl_attributes): For TYPE_DECLs attach the
3259 attribute to the decl.
3260 * c-decl.c (pushdecl): Propagate the USED attribute to the
3261 type copy.
3263 2000-05-05 Richard Henderson <rth@cygnus.com>
3265 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
3266 same way emit_group_load does.
3268 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
3270 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
3272 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3273 (main): Likewise.
3275 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3277 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3279 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3281 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3282 to support -shared, on platforms with dynamic libraries.
3284 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3286 * system.h (S_ISBLK): Provide fallback definition.
3288 2000-05-05 Geoff Berry <geoffb@bops.com>
3290 * extend.texi (Extended Asm): Document inability to give asm
3291 statements access to condition codes.
3293 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3295 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3296 as arg 2 of UNIQUE_SECTION.
3298 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3300 * predict.c: Remove May 4 change.
3301 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3302 if we have predicted the branch at 50-50 probability.
3304 2000-05-05 Richard Henderson <rth@cygnus.com>
3306 * flow.c (init_propagate_block_info): Fix merge error
3307 in HAVE_conditional_execution code.
3309 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3311 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3312 shift cycle for unknown shift count. Also generates dec + brpl.
3313 (ashlqi3_out): Don't generate dec + brpl which now generates by
3314 `out_shift_with_cnt'.
3315 (ashlhi3_out): Likewise.
3316 (ashlsi3_out): Likewise.
3317 (ashrqi3_out): Likewise.
3318 (ashrhi3_out): Likewise.
3319 (ashrsi3_out): Likewise.
3320 (lshrqi3_out): Likewise.
3321 (lshrhi3_out): Likewise.
3322 (lshrsi3_out): Likewise.
3324 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3326 * gcc.c (free_split_directories): Correct typo in explanation
3327 of make_relative_prefix.
3329 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3331 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3332 comparison codes to branch_comparison_operator.
3334 2000-05-04 Richard Henderson <rth@cygnus.com>
3336 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3338 2000-05-04 Richard Henderson <rth@cygnus.com>
3340 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3341 (DPBIT_FUNCS): Remove _sf_to_usi.
3342 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3344 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3345 between condition and jump.
3347 * libgcc2.c (near eh_context_specific): Comment #endif string.
3348 * longlong.h: Don't use strings with embedded newlines.
3350 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3352 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3353 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3354 (print_operand): Delete %t and %T codes.
3355 (output_cbranch): New function. Support branch prediction.
3356 * config/rs6000/rs6000.md: Use output_cbranch for
3357 conditional branches and returns.
3359 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3361 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3362 * stor-layout.c (place_field): Likewise.
3363 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3364 * expr.c (store_expr): Make align unsigned.
3365 * explow.c (plus_constant_wide): Make low words unsigned.
3366 * expmed.c (choose_multiplier): Likewise.
3367 * fold-const.c (fold): Likewise.
3368 * tree.h (build_int_2): Likewise.
3369 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3370 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3371 (init_emit): Change cast to unsigned char*.
3372 * varasm.c (compare_constant_1): Add cast to char*.
3373 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3374 * reload1.c (reload): Likewise.
3376 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3378 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3380 * predict.c (estimate_probability): If no prediction was found, then
3381 predict the successor that is the next physical block (if such a
3382 successor exists).
3384 2000-05-04 Richard Henderson <rth@cygnus.com>
3386 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3388 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3390 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3392 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3394 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3395 attribute macros from here ...
3396 (CPP_SPEC): to here.
3397 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3398 (CPP_SPEC): Likewise.
3399 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3401 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3402 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3404 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3406 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3408 * diagnostic (vbuild_message_string, build_message_string,
3409 build_location_prefix, output_get_prefix, init_output_buffer,
3410 output_notice, vline_wrapper_message_with_location,
3411 v_message_with_decl, default_print_error_function): De-constify.
3412 (set_real_maximum_length): Prototype.
3414 * diagnostic.h (struct output_buffer, init_output_buffer,
3415 output_get_prefix, output_set_prefix): De-constify.
3417 * function.c (init_function_start): Constify.
3419 * gensupport.c (remove_constraints, process_rtx): Prototype.
3421 * gthr-posix.h: Indent uses of #pragma.
3423 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3424 Prototype.
3426 * predict.c (find_expected_value): Delete prototype.
3427 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3429 * sbitmap.h (debug_sbitmap): Prototype.
3431 * ssa.c (compute_coalesced_reg_partition): Prototype.
3433 * stor-layout.c (debug_rli): Prototype.
3435 * tree.h (round_down): Prototype.
3436 (init_function_start): Constify.
3438 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3440 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3441 (overly conservative). Change extern inline wrappers to
3442 static inline, define them always, use PARAMS properly.
3443 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3444 whitespace warnings for \f and \v at the beginning of a line.
3446 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3448 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3449 is no longer needed
3451 2000-05-04 Bruce Korb <bkorb@gnu.org>
3453 * fixincl/inclhack.def: added broken_cabs -
3454 Remove `extern double cabs' declarations from math.h
3455 * fixincl/inclhack.sh: regen
3456 * fixincl/fixincl.x: regen
3457 * fixincl/fixincl.c: Remove BOGOSITY code
3458 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3460 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3462 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3463 MEM_ALIAS_SET.
3464 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3465 when calling MEM_COPY_ATTRIBUTES.
3466 * emit-rtl.c (operand_subword, change_address): Likewise.
3467 * explow.c (stabilize): Likewise.
3468 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3469 * integrate.c (copy_rtx_and_substitute): Likewise.
3470 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3471 when calling MEM_COPY_ATTRIBUTES.
3472 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3473 Likewise.
3474 * cse.c (gen_lowpart_if_possible): Likewise.
3475 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3476 * optabs.c (gen_move_insn): Likewise.
3477 * recog.c (validate_replace_rtx_1): Likewise.
3478 * simplify-rtx.c (add_mem_for_addr): Likewise.
3479 * stmt.c (expand_anon_union_decl): Likewise.
3480 * config/arm/arm.md: Likewise.
3481 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3482 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3483 (block_move_no_loop, block_move_sequence): Likewise.
3484 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3485 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3486 Clear MEM_ALIAS_SET.
3487 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3488 MEM_COPY_ATTRIBUTES.
3490 2000-05-03 Robert Lipe <robertlipe@usa.net>
3492 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3493 to suppress libgcc1.
3494 (i[34567]86-*-sco3.2v5*) Likewise.
3495 (i[34567]86-*-sco3.2v4*) Likewise.
3496 (i[34567]86-*-sco) Likewise.
3497 (i[34567]86-*-solaris2) Likewise.
3498 (i[34567]86-*-sysv5*) Likewise.
3499 (i[34567]86-*-sysv4*) Likewise.
3500 (i[34567]86-*-udk*) Likewise.
3501 (i[34567]86-*-sysv*) Likewise.
3503 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3505 * cpphash.h (U): New define, to correct type of string constants.
3506 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3507 routines, to do casts when passing unsigned strings to libc.
3508 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3510 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3511 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3512 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3513 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3514 second argument an U_CHAR *.
3516 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3517 length field, clean up initializer.
3518 (ISTABLE): Add __extension__ to designated-
3519 initializers version.
3520 * cpplex.c (CHARTAB): Likewise.
3522 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3523 case so the file won't be empty.
3525 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3527 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3528 (REORDER_BLOCK_SUCC): Removed.
3529 (enum reorder_skip_type): Removed.
3530 (skip_insns_between_block): Renamed to skip_insns_after_block.
3531 Removed second argument. Removed dead code and cleaned up.
3532 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3533 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3534 second parameter to skip_insns_after_block.
3536 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3538 * tree.c (staticp, case LABEL_DECL): New case.
3540 2000-05-03 Richard Henderson <rth@cygnus.com>
3542 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3544 * mklibgcc1.in: Fix typo last change.
3546 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3548 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3549 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3550 (GCC_CFLAGS): Use it.
3551 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3552 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3553 objc/Make-lang.in: Use it.
3555 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3557 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3559 2000-05-03 Richard Henderson <rth@cygnus.com>
3561 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3562 LIBGCC1 empty with libgcc1.null.
3564 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3566 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3567 change.
3569 2000-05-03 Greg McGary <gkm@gnu.org>
3571 * tree.h (tree_common): Add bounded_flag member. Remove
3572 inaccurate comment about number of remaining bits.
3573 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3574 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3575 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3576 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3577 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3578 (TYPE_QUAL_BOUNDED): New constant.
3579 (TYPE_QUALS): Handle bounded qualifier.
3580 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3581 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3582 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3583 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3584 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3585 (tree_type): Add pointer_depth member. Remove
3586 inaccurate comment about number of remaining bits.
3587 (DECL_POINTER_DEPTH): Add macro.
3588 (tree_decl): Add pointer_depth member.
3590 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3592 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3593 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3594 (lshrhi3_out): Likewise.
3595 (ashrsi3_out): bugfix in shift by 8.
3596 (test_hard_reg_class): New function.
3597 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3598 (ashlhi3): removed define_expand of this pattern.
3599 (*ashlhi3_insn): renamed to ashlhi3.
3600 (ashlsi3): removed define_expand of this pattern.
3601 (*ashlsi3_insn): renamed to ashlsi3.
3602 (ashrqi3): removed define_expand of this pattern.
3603 (*ashrqi3_insn): renamed to ashrqi3.
3604 (ashrhi3): removed define_expand of this pattern.
3605 (*ashrhi3_insn): renamed to ashrhi3.
3606 (ashrsi3): removed define_expand of this pattern.
3607 (*ashrsi3_insn): renamed to ashrsi3.
3608 (lshrhi3): removed define_expand of this pattern.
3609 (*lshrhi3_insn): renamed to lshrhi3.
3610 (lshrsi3): removed define_expand of this pattern.
3611 (*lshrsi3_insn): renamed to lshrsi3.
3613 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3615 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3616 inclusion of "system.h".
3618 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3620 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3621 TREE_ASM_WRITTEN.
3623 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3625 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3626 if -mauto-pic is on.
3627 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3628 -mconstant-gp is in effect and function-descriptors are being used
3629 to make indirect calls.
3630 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3631 (MASK_AUTO_PIC): Ditto.
3632 (TARGET_CONST_GP): Ditto.
3633 (TARGET_AUTO_PIC): Ditto.
3634 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3635 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3636 -mno-pic is in effect.
3637 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3638 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3639 -mauto-pic is in effect.
3640 (gprel64_offset): New pattern.
3641 (load_gprel64): Ditto.
3642 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3643 -mconstant-gp is in effect, no need to preserve gp around direct
3644 calls.
3645 (call_value): Ditto.
3646 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3647 (FUNCTION_PROFILER): Define.
3648 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3649 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3650 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3652 2000-05-03 Richard Henderson <rth@cygnus.com>
3654 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3655 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3656 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3657 (mklibgcc, libgcc.mk): New targets.
3658 (libgcc.a): Use libgcc.mk.
3659 (stmp-multilib): Likewise.
3660 (stmp-multilib-sub): Remove.
3661 (mostlyclean): Don't delete libgcc2 temp files.
3662 * configure.in (AC_PROG_CC_C_O): Add.
3663 (NO_MINUS_C_MINUS_O): Substitute it.
3664 (all_outputs): Add mklibgcc.
3665 * mklibgcc.in: New file.
3667 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3669 * cppexp.c (op_t): Make an int.
3671 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3673 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3675 * gensupport.c (process_rtx): Fix macros used.
3677 2000-05-03 Richard Henderson <rth@cygnus.com>
3679 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3680 call-clobbered registers of a call.
3682 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3684 * gensupport.c: New file.
3685 * gensupport.h: New file.
3686 * Makefile.in (HOST_RTL): Depend on gensupport.
3687 (gensupport.o) New rule.
3688 * genattr.c: Use gensupport for reading .md files.
3689 * genattrtab.c: Ditto.
3690 * gencodes.c: Ditto.
3691 * genconfig.c: Ditto.
3692 * genemit.c: Ditto.
3693 * genextract.c: Ditto.
3694 * genflags.c: Ditto.
3695 * genopinit.c: Ditto.
3696 * genoutput.c: Ditto.
3697 * genpeep.c: Ditto.
3698 * genrecog.c: Ditto.
3699 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3700 * md.texi (Insn Splitting): Document define_insn_and_split.
3702 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3704 * flow.c (verify_flow_info): Added two more sanity checks. The
3705 first checks that the blocks are numbered consecutively. The second
3706 checks that n_basic_blocks is actually equal to the number of
3707 basic blocks in the insn chain.
3709 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3711 * cpplib.h: Add accessor macros for token lists.
3712 * cpplib.c, cpphash.c, cpplex.c: Use them.
3714 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3716 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3717 memory usage if not in a function.
3718 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3719 return address if static.
3721 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3723 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3724 whether address may trap.
3726 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3728 * bb-reorder (chain_reorder_blocks): Changed code to test for
3729 EDGE_FALLTHRU rather than making erroneous assumption that the
3730 first outgoing edge is the fall-through edge.
3732 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3734 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3735 ABI for varargs, across all MIPS. This is incompatible because the
3736 va_list (__builtin_va_list) structure is different, so a compilation
3737 unit passing a va_list and a compilation unit being passed one, should
3738 both be compiled with the same ABI. (The old structure had two
3739 pointers, now it has three.)
3741 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3743 * bb-reorder.c (struct reorder_block_def): Remove members end,
3744 block_begin, and block_end.
3745 (REORDER_BLOCK_OLD_END): Delete.
3746 (REORDER_BLOCK_BEGIN): Delete.
3747 (REORDER_BLOCK_END): Delete.
3748 (chain_reorder_blocks): Remove dead code.
3750 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3752 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3753 notes as the end of a basic block before deleting.
3755 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3757 * final.c (final_start_function): Fix spelling of "necessary".
3759 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3761 * toplev.c (debug_ignore_block): Return int.
3762 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3763 * toplev.h, dwarf2out.h: Adjust.
3764 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3766 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3767 * toplev.c, final.c, rtl.h: Adjust.
3769 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3771 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3772 * configure.in: Look for makeinfo in the unified tree, then
3773 for a system makeinfo which is sufficiently new.
3774 * Makefile.in: If configure says makeinfo is too old, don't
3775 build or install Info documentation.
3777 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3779 * cpphash.c (collect_params): Fix off-by-one error.
3780 (dump_hash_helper): Dump all four macro nodetypes.
3782 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3784 * cpphash.c (trad_stringify): Adjust p after stringification as
3785 well.
3787 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3789 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3790 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3792 * cppfiles.c (file_cleanup): Delete.
3793 * cpphash.c (macro_cleanup): Delete.
3794 (collect_objlike_expansion, collect_funlike_expansion,
3795 macarg, scan_arguments): Remove CPP_POP case.
3797 * cpplex.c (null_cleanup): Delete.
3798 (cpp_pop_buffer): Do the work that was done in the cleanups
3799 here. Call _cpp_unwind_if_stack from here.
3800 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3801 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3802 stack is the buffer _below_ the one we stacked.
3803 (cpp_get_token): Always pop an exhausted buffer. Return
3804 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3805 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3806 increment the line number.
3807 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3809 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3810 we see CPP_EOF and the top of stack is the buffer _below_ the
3811 one we stacked.
3812 * scan-decls.c: Likewise.
3814 2000-05-02 Andrew Haley <aph@cygnus.com>
3816 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3817 where this function is called for the second time on a decl that
3818 has had its section info changed in such a way as to move it out
3819 of small data/bss.
3820 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3822 2000-05-01 Richard Henderson <rth@cygnus.com>
3824 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3825 the sequence we're moving, not to merge_bb->head.
3827 2000-05-01 Richard Henderson <rth@cygnus.com>
3829 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3830 reference to alpha/t-linux.
3831 (alpha*-*-linux-gnu*): Likewise.
3832 * configure: Rebuild.
3834 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3836 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3837 if not in SSA form.
3839 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3841 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3843 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3844 TREE_THIS_VOLATILE.
3846 2000-05-01 Richard Henderson <rth@cygnus.com>
3848 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3849 emit_conditional_move.
3851 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3853 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3854 as the dynamic linker.
3856 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3858 * cppfiles.c (open_include_file): Open file in blocking mode.
3859 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3860 Only exclude block devices and directories.
3862 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3863 static. Allocate the hashnode and its string in the same
3864 block of memory.
3865 (del_HASHNODE): Don't free h->name.
3866 (_cpp_lookup): If there is no entry for this string, create
3867 one, of type T_VOID.
3868 (_cpp_lookup_slot): Delete.
3869 * cpphash.h: Update prototypes.
3871 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3872 not hp == NULL.
3873 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3874 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3875 node here, just fill in the value field properly. "Delete"
3876 entries by setting the value field to T_VOID. Check for
3877 hp->type == T_VOID, not hp == NULL.
3879 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3880 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3881 hashtab.h.
3883 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3885 * config/mn10300/mn10300.c (print_operand_address): Do not add
3886 zero to SP.
3888 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3889 adjusted by less than 256 bytes, use ret regardless of having any
3890 callee-saved register to restore.
3892 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3894 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3896 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3898 * config/i386/djgpp.h (INT_ASM_OP): Define.
3899 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3900 (ASM_WEAKEN_LABEL): Define.
3901 (MASK_BNU210): Define.
3902 (SUBTARGET_SWITCHES): Define.
3903 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3904 (MAKE_DECL_ONE_ONLY): Define.
3905 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3907 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3909 * i386/cygwin.h (INT_ASM_OP): Define.
3911 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3913 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3914 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3916 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3918 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3919 __tmp_reg__ and __zero_reg__ initialization.
3921 2000-04-30 Richard Henderson <rth@cygnus.com>
3923 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3925 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3926 referenced bewteen the condition and the jump. Don't delete
3927 anything but the jump.
3929 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3931 * bb-reorder.c (scope_def): New struct.
3932 (scope_forest_info): New struct.
3933 (struct reorder_block_def): New member "scope".
3934 (REORDER_BLOCK_SCOPE): New macro.
3935 (relate_bbs_with_scopes): New function and prototype.
3936 (make_new_scope): Likewise.
3937 (build_scope_forest): Likewise.
3938 (remove_scope_notes): Likewise.
3939 (insert_intra_1): Likewise.
3940 (insert_intra_bb_scope_notes): Likewise.
3941 (insert_inter_bb_scope_notes): Likewise.
3942 (rebuild_scope_notes): Likewise.
3943 (free_scope_forest_1): Likewise.
3944 (free_scope_forest): Likewise.
3945 (dump_scope_forest): Likewise.
3946 (dump_scope_forest_1): Likewise.
3947 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3948 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3949 block.
3950 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3951 and remove_scope_notes before reordering is done. Added calls to
3952 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3953 after reordering is done.
3955 2000-40-30 Bruce Korb <bkorb@gnu.org>
3957 * fixinc/inclhack.def: Added definitions needed by OSR5,
3958 removed two stale entries (defined away with OLD_CPP).
3959 * fixinc/inclhack.sh: regen
3960 * fixinc/fixincl.x: regen
3962 2000-04-30 Richard Henderson <rth@cygnus.com>
3964 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3965 from the last insn in the sequence.
3967 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3969 * cpplex.c (cpp_idcmp): New function.
3970 * cpplib.h: Prototype it.
3971 * scan_decls.c (scan_decls): Use it to inspect token names.
3972 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3973 the file being run through the preprocessor.
3974 (check_macro_names): Provide length of token to cpp_defined.
3976 * Makefile.in: Remove stale warning message.
3978 * cppfiles.c (redundant_include_p): Provide length of token to
3979 cpp_defined.
3980 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3981 values are unsigned int.
3982 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3983 (_cpp_lookup_slot): Do not calculate the hash, either.
3984 * cpphash.h: Update prototypes.
3985 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3986 Hashes are unsigned int. Calculate hash here, pass by value
3987 to _cpp_lookup_slot.
3989 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3991 * simplify-rtx.c (check_value_useless): Delete function.
3992 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3993 by hand.
3994 (cselib_invalidate_regno): Likewise.
3995 (cselib_invalidate_mem_1): Likewise.
3996 (references_value_p): Recognize useless values by the fact that they
3997 have no locations.
3998 (discard_useless_values): Likewise.
3999 (cselib_record_set): This may turn a useless value
4000 into a useful one.
4002 2000-04-30 Richard Henderson <rth@cygnus.com>
4004 * config/d30v: New port.
4006 * configure.in (d30v-*): Set fp format.
4007 * configure: Rebuild.
4009 2000-04-30 Richard Henderson <rth@cygnus.com>
4011 * ifcvt.c: New file.
4012 * Makefile.in (OBJS): Add it.
4013 (ifcvt.o): New target.
4014 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
4015 and conditional arithmetic.
4016 (find_insert_position): Remove.
4017 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
4018 * toplev.c (DFI_ce, DFI_ce2): New.
4019 (dump_file): Add ce and ce2 dumps.
4020 (rest_of_compilation): Run if_convert a couple o times. Set
4021 cse_not_expected after cse2. Don't set no_new_pseudos until
4022 after sched1 or recompute_reg_usage.
4024 2000-04-30 Richard Henderson <rth@cygnus.com>
4026 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
4027 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
4029 2000-04-30 Richard Henderson <rth@cygnus.com>
4031 * flow.c (struct reg_cond_life_info): New.
4032 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
4033 (init_propagate_block_info): Initialize them.
4034 (free_propagate_block_info): Destruct them.
4035 (mark_set_1): Consider conditional life before killing a register.
4036 (mark_regno_cond_dead): New.
4037 (free_reg_cond_life_info): New.
4038 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
4039 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
4040 (mark_used_reg): Record conditional life.
4042 * haifa-sched.c (schedule_insns): Disable death counting
4043 sanity check for HAVE_conditional_execution.
4045 2000-04-30 Richard Henderson <rth@cygnus.com>
4047 * Makefile.in (TIMEVAR_H): New.
4048 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
4049 (timevar.h): Remove rule.
4051 2000-04-29 Richard Henderson <rth@cygnus.com>
4053 * config/alpha/crtend.asm: Use C comments instead of #.
4054 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
4056 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
4058 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
4060 * cpphash.h (enum node_type: Take out T_MCONST.
4061 (union hashval): Move into struct hashnode.
4062 (struct hashnode): Pack tighter. Remove file, line, col
4063 members.
4064 * cpphash.c: Constify most of the macro-definition structures.
4065 (struct definition): Replace by struct object_defn
4066 and struct funct_defn. Put file, line, column information
4067 here. All users updated to match.
4068 (_cpp_create_definition, _cpp_macroexpand): Remove special
4069 case for #define WORD OTHERWORD.
4070 * cpplib.c (do_undef): Remove T_MCONST case.
4072 * cpphash.h: Move struct reflist, struct definition, and the
4073 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
4074 union hashval. _cpp_free_definition takes a HASHNODE pointer.
4075 * cpphash.c (_cpp_free_definition): Free data pointed to by
4076 MCONST, XCONST, MACRO, and FMACRO nodes properly.
4077 (_cpp_create_definition, del_HASHNODE): Just call
4078 _cpp_free_definition to clear out a hashnode.
4079 * cpplib.c (do_pragma_poison): Likewise.
4081 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4083 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
4084 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
4085 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
4086 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
4087 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
4088 REGNO_AM33_P): Redefine in terms of the new macros.
4089 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
4090 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
4091 STRUCT_VALUE): Likewise.
4092 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
4093 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
4095 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
4097 * regmove.c (struct record_stack_memrefs_data): New.
4098 (record_stack_memrefs): New function.
4099 (combine_stack_adjustments_for_block): Use it.
4101 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4103 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
4104 use special_function_p to detect alloca.
4106 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
4108 * gcc.texi: Fixes for makeinfo 4.0 --html.
4110 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
4112 * pcp.h: Delete file.
4114 2000-04-28 Kazu Hirata <kazu@hxi.com>
4116 * h8300.c (function_epilogue): Clean up flags when the last insn
4117 in a function is a barrier.
4119 2000-04-28 Chris Demetriou <cgd@sibyte.com>
4121 * configure.in (sparc-hal-solaris2*): protect [] glob from
4122 my expansion.
4123 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
4124 rather than hard-coded constants in target_cpu_default2.
4125 * configure: Regenerate.
4127 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4129 * tree.c (get_callee_fndecl): Extract the initial value from
4130 a readonly decl.
4132 2000-04-28 Richard Henderson <rth@cygnus.com>
4134 * varasm.c (record_constant_1): Record the CODE_LABEL when
4135 taking the address of a LABEL_REF.
4137 2000-04-28 Richard Henderson <rth@cygnus.com>
4138 Jan Hubicka <jh@suse.cz>
4140 * calls.c (combine_pending_stack_adjustment_and_call): Return the
4141 adjustment; don't do the stack adjust.
4142 (expand_call): Call compute_argument_block_size right before
4143 allocating the block; update comment; don't do alignment sanity
4144 checking for sibling call; use args_size instead of
4145 unadjusted_args_size before args_size is adjusted. Use
4146 combine_pending_stack_adjustment_and_call to compute stack adjust
4147 for must_preallocate case.
4149 * expr.c (push_block): Remove shadow `temp' in inner scope.
4151 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
4153 * toplev.c (rest_of_compilation): Call
4154 note_deferral_of_defined_inline_function even if the function
4155 can't be inlined.
4157 2000-04-28 Scott Bambrough <scottb@netwinder.org>
4159 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
4161 2000-04-28 Richard Henderson <rth@cygnus.com>
4163 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
4165 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4167 * timevar.c (init_timevar): DeANSIfy function definition.
4169 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4171 * Makefile.in (timevar.o): Depend on flags.h.
4172 * timevar.c (unused_stack_instances): New variable.
4173 (timevar_push): Take a timevar_stack_def from
4174 unused_stack_instances if available.
4175 (timevar_pop): Push the popped timevar_stack_def onto
4176 unused_stack_instances.
4177 (TIMEVAR_ENABLE): New macro.
4178 (timevar_def): Make standalone a 1-bit field. Add field used.
4179 (get_time): Rename parameter to now. Return after clearing it if
4180 not TIMEVAR_ENABLE.
4181 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
4182 (timevar_pop): Likewise.
4183 (timevar_stop): Likewise.
4184 (timevar_push): Likewise. Mark the timing variable as used.
4185 (timevar_start): Likewise.
4186 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
4187 timevars that were never used.
4189 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4191 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
4192 always TREE_READONLY.
4194 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
4196 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
4197 for call instruction with mode QImode.
4199 2000-04-27 Alex Samuel <samuel@codesourcery.com>
4201 * Makefile.in (OBJS): Add timevar.o.
4202 (toplev.o): Depend on timevar.h.
4203 (ggc-simple.o): Likewise.
4204 (ggc-page.o): Likewise.
4205 (timevar.o): New rule.
4206 (timevar.h): New rule.
4208 * timevar.h: New file.
4209 * timevar.c: Likewise.
4210 * timevar.def: Likewise.
4212 * toplev.h (gc_time, parse_time, varconst_time): Remove.
4213 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
4214 throughout.
4215 (TIMEVAR): Remove macro.
4216 (gc_time, parse_time, varconst_time, integration_time, jump_time,
4217 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
4218 flow_time, combine_time, regmove_time, sched_time,
4219 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
4220 sched2_time, dbr_sched_time, reorder_blocks_time,
4221 rename_registers_time, shorten_branch_time, stack_reg_time,
4222 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
4223 all_time): Remove.
4224 (compile_file): Don't initialize time variables. Call
4225 init_timevar and start TV_TOTAL timer. Call timevar_print instead
4226 of many calls to print_time.
4227 (rest_of_compilation): Add timing for reload_cse_regs.
4228 (get_run_time): Removed to timevar.c.
4229 (print_time): Likewise.
4230 (get_run_time): Implement using TV_TOTAL time variable.
4231 (print_time): Get total run time from get_run_time.
4232 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
4233 computing elapsed time explicitly.
4234 * ggc-simple.c (ggc_collect): Likewise.
4235 (gc_time): Remove declaration.
4237 2000-04-27 Mark Mitchell <mark@codesourcery.com>
4239 * calls.c (combine_pending_stack_adjustment_and_call): New function.
4240 (expand_call): Use it.
4242 2000-04-27 Jan Hubicka <jh@suse.cz>
4244 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
4245 fields.
4247 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4249 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
4250 registers.
4252 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
4254 * function.c (epilogue_done): Pass whole insn to record_insns.
4256 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
4258 * cse.c (CSE_ADDRESS_COST): Remove.
4259 (find_best_addr): Add new parameter "MODE", use address_cost instead
4260 of CSE_ADDRESS_COST
4261 (address_cost): New.
4262 (fold_rtx): Update call of find_best_addr.
4263 * rtl.h (address_cost): Declare.
4264 * loop.c (general_induction_var): Add new parameter "MODE", use
4265 address_cost instead of ADDRESS_COST
4266 (init_loop): Use address_cost instead of ADDRESS_COST.
4267 (check_insn_for_givs): Update call of general_induction_var.
4268 (find_mem_givs): Likewise.
4269 (consec_sets_giv): Likewise.
4270 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
4271 * i386.c (ix86_address_cost): New.
4272 * i386-protos.h (ix86_address_cost): Declare.
4274 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4276 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4277 registers.
4279 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4281 * expr.c (store_expr): Use clear_storage instead of direct memset
4282 libcall.
4284 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4286 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4287 ASHIFT, AND and LABEL_REF.
4289 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4291 * invoke.texi (-foptimize-sibling-calls): Fix.
4293 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4295 * loop.c (load_mems) Don't use hard registers for the hoisting.
4297 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4298 calculation; rename const_equiv array in the preconditioning code
4299 from loop_unroll to loop_unroll_precondition
4301 2000-04-27 Richard Henderson <rth@cygnus.com>
4303 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4304 add new_set.
4305 (propagate_one_insn): Clear it. Don't update reg_live here.
4306 (init_propagate_block_info): Update for pbi member changes.
4307 (free_propagate_block_info): Likewise.
4308 (mark_set_1): Know that zero_extract, sign_extract, and
4309 strict_low_part don't kill their argument. Alter hard subregs.
4310 Update new_set for non-CLOBBER sets. Update reg_live.
4311 (find_auto_inc): Update reg_live, not new_dead.
4312 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4313 to determine if the reg in question was set this insn. Only update
4314 reg info with PROP_REG_INFO.
4316 2000-04-26 Richard Henderson <rth@cygnus.com>
4318 * flow.c (allocate_reg_life_data): Set max_regno here ...
4319 (life_analysis): ... not here.
4321 * flow.c (calculate_global_regs_live): Force stack pointer
4322 live at end.
4324 2000-04-26 Richard Henderson <rth@cygnus.com>
4326 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4327 commit change group changes.
4328 (invert_exp_1): Similarly.
4329 (redirect_exp, invert_exp): Use them.
4330 (redirect_jump_1): New.
4331 (invert_jump_1): New.
4332 (jump_optimize_1): Remove code subsumed by condexec.c.
4333 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4335 2000-04-26 Richard Henderson <rth@cygnus.com>
4337 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4339 * genconfig.c (main): Set all HAVE_foo to 1.
4341 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4343 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4345 * invoke.texi: Document -fssa flag.
4347 2000-04-26 Richard Henderson <rth@cygnus.com>
4349 * flow.c (count_reg_sets_1): Remove.
4350 (count_reg_sets, count_reg_references): Remove.
4351 (recompute_reg_usage): Implement with update_life_info.
4352 Reallocate life data.
4354 2000-04-26 Richard Henderson <rth@cygnus.com>
4356 * flow.c (update_life_info): Consider blocks null to mean the
4357 universal set.
4358 (calculate_global_regs_live): Likewise.
4359 (life_analysis): Do that instead of collecting all_blocks.
4361 2000-04-26 Richard Henderson <rth@cygnus.com>
4363 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4364 a still-valid conditional jump.
4366 2000-04-26 Richard Henderson <rth@cygnus.com>
4368 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4370 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4371 * flow.c (calculate_loop_depth): Remove.
4372 * output.h (calculate_loop_depth): Don't declare.
4373 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4374 inline; run estimate_probability at the same time.
4376 2000-04-26 Neil Booth <NeilB@earthling.net>
4378 * cpplib.h: "~=" is not a single pp-token.
4379 * cpplex.c: Correct commentary.
4381 2000-04-26 Richard Henderson <rth@cygnus.com>
4383 * flow.c (mark_set_1): New arguments code and flags; update all
4384 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4385 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4386 loop_depth when optimizing for size. Do new_dead update after
4387 emitting REG_UNUSED notes. Merge mark_set_reg code.
4388 (mark_set_reg): Remove.
4389 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4390 arrange to not emit REG_UNUSED notes.
4392 2000-04-26 Richard Henderson <rth@cygnus.com>
4394 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4395 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4397 2000-04-26 Richard Henderson <rth@cygnus.com>
4399 * flow.c (propagate_one_insn): Break out from propagate_block.
4400 (init_propagate_block_info): Likewise.
4401 (free_propagate_block_info): Likewise.
4402 (propagate_block): Use them. Export.
4403 * basic-block.h: Declare them all.
4405 2000-04-26 Richard Henderson <rth@cygnus.com>
4407 * basic-block.h (life_analysis): Declare here ...
4408 * output.h: ... not here.
4409 * flow.c (life_analysis): Remove nregs parameter; replace
4410 remove_dead_code with flags. Remove ssa dead code check.
4411 Only init alias analysis if we'll use it.
4412 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4413 * ssa.c (convert_to_ssa): Likewise.
4414 (convert_from_ssa): Likewise.
4415 * toplev.c (rest_of_compilation): Likewise.
4417 2000-04-26 Richard Henderson <rth@cygnus.com>
4419 * flow.c (flow_delete_block): Rename from delete_block. Export.
4420 * basic-block.h (flow_delete_block): Declare.
4422 2000-04-26 David S. Miller <davem@redhat.com>
4424 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4425 taking a PATTERN of it.
4427 2000-04-26 <NeilB@earthling.net>
4429 * cpplex.c (spell_other, spell_char): Remove.
4430 (SPELL_CHAR): New.
4431 (token_spelling, trigraph_map): Use unsigned chars.
4432 (_cpp_lex_line): Tidy up the switch statement.
4433 * cpplib.h: Implement spell_char with spell_string.
4434 (C): New.
4436 2000-04-26 <RodneyBrown@pmsc.com>
4438 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4439 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4441 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4443 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4444 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4445 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4446 dwarf2out_return_save, dwarf2out_return_reg,
4447 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4448 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4449 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4451 * dwarf2out.h (dwarf2out_init): Likewise.
4453 * dwarfout.c (filename_entry, primary_filename, last_filename,
4454 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4456 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4457 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4458 dwarf2out_return_reg): Likewise.
4460 2000-04-26 Andreas Jaeger <aj@suse.de>
4462 * extend.texi (Function Attributes): Fix description of pure
4463 attribute.
4465 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4467 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4468 before calling rest_of_compilation.
4470 2000-04-26 Andreas Jaeger <aj@suse.de>
4472 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4473 last patch.
4475 2000-04-25 Richard Henderson <rth@cygnus.com>
4477 * cse.c (cse_insn): Emit barrier after unconditional jump.
4479 * calls.c (expand_call): Disable tail call generation once
4480 rtx_equal_function_value_matters is false.
4482 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4483 like EDGE_EH edges.
4485 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4487 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4489 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4491 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4492 is the primary DIE for a member function.
4493 (gen_decl_die): Call set_decl_origin_self here.
4494 * dwarfout.c (output_decl): And here.
4495 * integrate.c (output_inline_function): Not here.
4496 Don't clear DECL_INLINE until after calling rest_of_compilation.
4497 (set_decl_origin_self): No longer static.
4498 * tree.h: Add prototype.
4499 * toplev.c (note_deferral_of_defined_inline_function): Only write
4500 out abstract instance for actual inlines.
4502 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4504 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4505 EXTENDED_REGS only if TARGET_AM33.
4506 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4507 SP_REGS to register allocation and reloading unless absolutely
4508 necessary.
4509 (movsi3): Remove special-case of adding non-constants to SP.
4511 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4513 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4514 INCLUDES to search and does not provide any of its own. Also it
4515 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4516 parameters. Also it does not call AC_DEFINE.
4517 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4518 AC_DEFINE and provides for automatic entries for autoheader.
4519 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4521 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4522 so we can pass -I flags and include gansidecl.h/system.h in this
4523 test.
4525 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4527 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4530 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4531 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4533 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4534 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4535 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4536 for these macros. Clean up spacing and linewraps.
4538 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4540 * calls.c (expand_call): Use get_callee_fndecl.
4542 * print-tree.c (print_node): Print the chain of an _EXPR.
4544 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4545 Jim Wilson <wilson@cygnus.com>
4546 Andrew Haley <aph@cygnus.com>
4548 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4549 and gp save/restore problems.
4550 * config/ia64/crtend.asm: Add IA-64 unwind support.
4551 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4552 in fr_pad_size calculation.
4553 (save_restore_insns): Move PR save area. Correct uses of
4554 RTX_FRAME_RELATED_P.
4555 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4556 (ia64_expand_epilogue): Add eh_epilogue support.
4557 (ia64_function_prologue): Emit .prologue directive.
4558 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4559 (ia64_override_options): Set init_machine_status and
4560 mark_machine_status.
4561 (rtx_needs_barrier): Handle bsp reads and writes.
4562 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4563 New static variables.
4564 (process_set, process_for_unwind_directive): New functions.
4565 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4566 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4567 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4568 macros.
4569 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4570 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4571 (struct machine_function): Define.
4572 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4574 2000-04-25 Bruce Korb <bkorb@gnu.org>
4576 * fixinc/Makefile.in: make the removal of old programs more
4577 robust
4578 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4579 install-bin and install-sh
4581 2000-04-25 Nick Clifton <nickc@cygnus.com>
4583 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4584 defined, define to return zero.
4585 (function_cannot_inline_p): If a function has any target
4586 specific attributes, then use the macro
4587 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4588 whether it can be inlined. If it cannot, issue a suitable
4589 explanation.
4591 * tm.texi: Add a new node 'Inlining' to document the new macro
4592 FUNCTION_ATTRIBUTE_INLINABLE_P.
4594 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4596 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4597 commentary.
4599 2000-04-25 Neil Booth <NeilB@earthling.net>
4601 Restore previous patch, plus the following fixes:
4603 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4604 flags, not CPP_OPEN_PAREN.
4605 * cpplex.c (expand_token_space, init_token_list,
4606 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4607 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4609 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4611 * config/i386/freebsd.h (INT_ASM_OP): Define.
4613 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4615 * loop.c (strength_reduce): Fix typo in the last checkin.
4617 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4619 * stor-layout.c (finalize_record_size): Simplify to use existing
4620 functions.
4621 (compute_record_mode): No longer static.
4622 * tree.h (compute_record_mode): New declaration.
4624 2000-04-25 Neil Booth <NeilB@earthling.net>
4626 * Revert my patch below until cause of build failures
4627 determined.
4629 2000-04-25 Richard Henderson <rth@cygnus.com>
4631 * combine.c (combine_instructions): Add missing argument
4632 to try_combine.
4634 * toplev.c (rest_of_compilation): Delay sibcall optimization
4635 until after emit_eh_context.
4637 2000-04-24 Nick Clifton <nickc@redhat.com>
4639 * combine.c (combine_instructions): Do not try to combine a
4640 sequence of insns when the second insn has been replaced by a
4641 note.
4643 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4645 * gcc.c (load_specs): New static function.
4646 (read_specs): Use it.
4648 * gcc.c (lookup_compiler): Make multiple passes for case
4649 insensitive filesystems.
4651 2000-04-24 Neil Booth <NeilB@earthling.net>
4653 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4654 * cpphash.h (_cpp_check_directive): new.
4655 * cpplex.c (handle_newline, cpp_free_token_list,
4656 init_trigraph_map, trigraph_ok, trigraph_replace,
4657 backslash_start, skip_block_comment, skip_line_comment,
4658 skip_whitespace, parse_name, parse_number, parse_string,
4659 copy_comment, _cpp_lex_line, spell_char, spell_string,
4660 spell_comment, spell_name, spell_other, _cpp_lex_file,
4661 _cpp_output_list): new.
4662 (expand_name_space): take length argument.
4663 (init_token_list): add comment list initialisation.
4664 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4665 instead of HSPACE_BEFORE.
4667 * cpplib.c (_cpp_check_directive): new
4668 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4669 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4670 (HSPACE_BEFORE): delete.
4671 (TTYPE_TABLE): rearrange.
4672 (struct cpp_toklist): update.
4674 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4676 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4677 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4678 argument form of AC_DEFINE.
4680 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4681 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4682 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4683 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4684 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4686 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4688 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4690 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4691 deduced.h): Use -isystem, not -I, for including system headers.
4693 2000-04-24 Nick Clifton <nickc@cygnus.com>
4695 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4696 the source register is the frame pointer or arg pointer.
4697 (addsi3_small_int): Disallow if source register is the frame
4698 pointer or arg pointer.
4700 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4702 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4703 call to AC_MSG_RESULT.
4705 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4707 * invoke.texi: Correct grammatical errors, document
4708 -fno-gnu-keywords as identical to -fno-asm for C++.
4710 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4712 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4713 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4714 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4715 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4716 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4718 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4719 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4720 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4721 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4722 new macros names.
4724 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4726 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4727 (pop_alignment): Likewise.
4728 (handle_pragma_token): Likewise.
4730 2000-04-24 Robert Lipe <robertlipe@usa.net>
4732 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4734 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4736 * combine.c (try_combine): Update reg_nonzero_bits of
4737 newi2pat before newpat.
4739 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4741 * loop.c (strength_reduce): Simplify test to INSN_P.
4742 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4743 expressions instead of CONST_INT.
4744 (express_from_1): Likewise.
4746 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4748 * regs.h (reg_n_max): Don't declare.
4749 * flow.c (reg_n_max): Don't define.
4750 * regclass.c (renumber): Don't initialize to zero.
4751 (regno_allocated): Likewise.
4752 (reg_n_max): Define.
4753 (allocate_reg_info): Don't initialize unnecessarily.
4755 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4757 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4758 and blockage_p in the newly allocated attribute.
4760 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4762 * config/mn10300/mn10300.md (addsi): `inc4' on address
4763 registers does not modify cc, but `inc' on an extended
4764 register does.
4766 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4768 * reload.c (find_equiv_reg): Checks all valueno regs
4769 as a reload_reg_p regs.
4771 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4773 * cpphash.c (collect_objlike_expansion): Add sanity check.
4774 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4775 the buffer is the empty string, return. Mark __DATE__ and
4776 __TIME__ as XCONST nodes, not MCONST.
4777 (_cpp_macroexpand): Avoid pushing an empty buffer.
4778 (funlike_macroexpand): Don't pop token_buffer here.
4780 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4782 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4783 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4784 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4785 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4786 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4787 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4788 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4790 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4792 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4793 constant MULT givs.
4795 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4797 * cpphash.h (struct definition): Move file, line, col members...
4798 (struct hashnode): ... here. Also add 'disabled' flag.
4799 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4800 T_IDENTITY. Remove T_DISABLED.
4801 Update prototypes.
4803 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4804 (collect_expansion): Split into collect_objlike_expansion and
4805 collect_funlike_expansion.
4806 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4807 funlike_macroexpand.
4808 (_cpp_compare_defs): Rename compare_defs, make static.
4809 (_cpp_make_hashnode): Initialize hp->disabled.
4810 (macro_cleanup): Adjust for new token types. Clear
4811 m->disabled.
4812 (_cpp_create_definition): Move code here to determine what
4813 sort of macro it is, and code to check for redefinitions, from
4814 do_define. Implement a few simple cases without creating a
4815 full DEFINITION.
4816 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4817 Handle the simple cases.
4818 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4819 here.
4821 * cppinit.c (builtin_array): Change MCONST to XCONST
4822 everywhere.
4823 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4824 fix check for disabled and function-like macros.
4825 * cpplib.c (do_define): Move most logic to
4826 _cpp_create_definition.
4827 (do_undef): Handle new special token types.
4829 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4831 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4832 of CONSTANT_P for mult_val; always use validate_change to update insn.
4834 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4836 * cpphash.c (trad_stringify, add_pat): New functions.
4837 (collect_expansion): Restore support for -traditional syntax.
4838 Use trad_stringify and add_pat.
4839 (_cpp_macroexpand): Restore support for -traditional semantics.
4840 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4841 get a COMMENT token.
4842 (_cpp_lex_token): Provide COMMENT tokens to caller if
4843 traditional and parsing_define_directive.
4844 (skip_comment): Warn about // comments if -Wtraditional.
4845 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4846 proper node type.
4847 (do_undef): Don't warn about undefining EMPTY nodes.
4849 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4851 * loop.c (strength_reduce): Fix biv removal code.
4853 2000-04-22 Richard Henderson <rth@cygnus.com>
4855 * predict.c (estimate_probability): Examine both sides of
4856 a branch for no exits. Use 90% not 50% for predict taken.
4857 Reorg for one copy of note generation code.
4859 2000-04-22 Richard Henderson <rth@cygnus.com>
4861 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4863 2000-04-22 Richard Henderson <rth@cygnus.com>
4865 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4866 (output_clear): Likewise.
4867 (output_printf): Use va_copy.
4868 (vline_wrapper_message_with_location): Likewise.
4869 (v_message_with_decl): Likewise.
4870 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4871 * system.h (va_copy): Provide default implementation.
4873 2000-04-22 Richard Henderson <rth@cygnus.com>
4875 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4876 the collected condition is not a constant.
4878 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4880 * diagnostic.h: New file.
4882 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4884 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4885 various function prototypes.
4886 (diagnostic.h): #include.
4887 (struct output_buffer): Move into diagnostic.h.
4888 (get_output_prefix): Rename to output_get_prefix. Export.
4889 (init_output_buffer): Export. Break out. Ajust intialization.
4890 (output_space_left, output_append): Export.
4891 (output_newline): Rename to output_add_newline. Export.
4892 (output_clear): Nullify additional output_buffer fields.
4893 (output_puts): Rename to output_add_string. Export.
4894 (dump_output): Rename to output_flush_on. Export.
4895 (build_location_prefix): Constify return-type.
4896 (emit_output_prefix): Rename to output_emit_prefix. Export.
4897 (set_real_maximum_length): New function.
4898 (output_set_maximum_length): Ditto
4899 (output_clear): Ditto.
4900 (output_add_character): Ditto.
4901 (output_add_integer): Ditto.
4902 (output_add_space): Ditto.
4903 (output_format): Ditto.
4904 (output_printf): Adjust buffer initialization.
4905 (vline_wrapper_message_with_location): Ditto.
4906 (v_message_with_decl): Ditto. Adjust call to output_puts
4907 and get_output_prefix.
4908 (default_print_error_function): Adjust buffer intialization.
4910 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4912 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4913 of VOID_TYPE.
4915 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4917 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4918 of explicit 0.
4920 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4922 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4923 accurate data about SP moves.
4925 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4927 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4928 aliases to AM33 registers.
4930 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4932 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4933 to all EXTENDED bitmaps.
4935 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4937 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4938 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4939 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4941 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4943 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4944 the operand is not constant.
4946 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4948 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4949 as a call-clobbered regs.
4951 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4953 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4954 * rtl.h: Likewise.
4955 * rtl.def: Update comment.
4956 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4957 * integrate.c (expand_inline_function): Likewise.
4958 * profile.c (branch_prob): Likewise.
4959 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4960 * print-rtl.c (print_rtx): Likewise.
4961 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4962 (reemit_notes): Likewise; also use enum insn_note.
4964 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4965 (place_field): Properly compute know and actual alignment.
4967 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4968 in proper format.
4970 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4971 note for REG1.
4973 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4975 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4976 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4977 (collect_expansion): Rewrite to scan over a token list.
4978 Remove -traditional support.
4979 (collect_formal_parameters): Rename to collect_params; rewrite
4980 to scan over a token list.
4981 (_cpp_create_definition): Adjust to scan a token list.
4982 (_cpp_macroexpand): Remove -traditional support.
4983 (_cpp_compare_defs): Whitespace is now canonicalized.
4984 (comp_def_part): Delete function.
4986 * cpphash.h: Update prototypes.
4987 * cpplex.c (init_token_list): Don't set lineno if there is no
4988 buffer.
4989 (pedantic_whitespace): New function.
4990 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4991 consume a newline. Use pedantic_whitespace.
4992 (_cpp_lex_token): Remove support for -traditional macros.
4993 (_cpp_get_define_token): Delete.
4994 (_cpp_get_directive_token): Do the real work here. Use
4995 pedantic_whitespace.
4996 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4998 * cpplib.c (get_macro_name): Delete.
4999 (do_define): Read the entire line into pfile->directbuf, then
5000 feed the token list to _cpp_create_definition.
5001 * cpplib.h (HSPACE_BEFORE): new define.
5002 (struct cpp_reader): Add a toklist member, "directbuf".
5004 * predict.c (estimate_probability): New heuristic: if a jump
5005 branches around a block with no successors, predict it taken.
5006 Disentangle control flow.
5008 2000-04-20 Richard Henderson <rth@cygnus.com>
5010 * loop.c (emit_iv_add_mult): Revert last change.
5012 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5014 * cpplib.h (enum cpp_ttype): Add token types for all
5015 punctuators. Distinguish pp-numbers from valid C numbers.
5016 Give some tokens better names. Initialize from macro.
5017 (struct cpp_name, cpp_token, cpp_toklist): New data
5018 structures.
5019 Update prototypes.
5020 * cpplex.c (bump_column, expand_name_space,
5021 expand_token_space, init_token_list, cpp_output_list,
5022 _cpp_scan_line): New functions.
5023 (output_line_command): Add third argument, new line number.
5024 * cpphash.h: Update prototypes.
5025 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
5026 token names.
5028 2000-04-20 Richard Henderson <rth@cygnus.com>
5030 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
5032 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5034 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
5035 object pointed to.
5037 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
5039 * loop.c (emit_iv_add_mult): Simplify it's input and emit
5040 REG_EQUAL note explaining the calculated value.
5042 * calls.c (expand_call): Avoid unnecesary precalculation
5043 and outgoing parameters space guarding for sibling calls.
5044 (store_one_arg): Likewise.
5046 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5048 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
5049 (rest_of_compilation): Write sibling dump file and account
5050 for time as jump time.
5051 * invoke.texi: Update documentation on dump flags.
5053 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
5055 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
5057 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
5059 * cpphash.c (special_symbol): Represent an empty macro with
5060 "\r \r " not just "\r ".
5061 (_cpp_macroexpand): Correct condition for the foo ( ) special
5062 case.
5063 (unsafe_chars): Handle EOF as second argument.
5064 (push_macro_expansion): Simplify test for removing escape at
5065 end. Do not trim both escapes if there is no text in between.
5067 2000-04-19 Jim Blandy <jimb@redhat.com>
5069 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
5070 of PTR_SIZE, when appropriate.
5072 2000-04-19 Mark Mitchell <mark@codesourcery.com>
5074 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
5075 (USE_ENUM_BITFIELDS): Fix typo.
5077 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5079 * stor-layout.c (place_field): Set rli->offset_align properly.
5081 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5083 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
5084 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
5085 PARM_BOUNDARY): Remove unnecessary casts.
5087 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5089 * calls.c (precompute_arguments): Remove must_preallocate and
5090 args_size calls.
5091 (expand_call): Update call of precompute_arguments.
5093 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
5094 check_insn_for_givs): Break out from ...
5095 (strength_reduce) ... here; use for_every_insn_in_loop to call
5096 check_insn_for_givs.
5097 * loop.h (for_every_insn_in_loop): Declare.
5098 (loop_insn_callback): New type.
5100 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5102 * cpplib.c (do_pragma_poison): Strings in the token buffer are
5103 not nul-terminated.
5105 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
5107 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
5108 flag_pic and RELOC.
5110 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
5112 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
5114 * configure.in: Delete --disable-cpplib option and all
5115 references to cpp_main.
5116 * configure: Regenerate.
5117 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
5118 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
5119 cccp.o, cccp, or cppmain. Link cppmain.o straight to
5120 cpp$(exeext). Add --no-headers to makeinfo command line when
5121 generating INSTALL. Install and uninstall cpp.1 manpage, not
5122 cccp.1.
5123 * install.texi: Delete all references to cexp.y/cexp.c.
5124 Delete ancient instructions for compiling GCC on 3b1.
5125 * INSTALL: Regenerate.
5127 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
5128 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
5129 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
5130 cexp.c/cexp.y.
5131 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
5132 which is no longer tested anywhere.
5134 * cppinit.c (handle_option): Don't run error message through
5135 gettext twice.
5137 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5139 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
5140 * cpperror.c (hashtab.h): Now include.
5141 * cppexp.c (hashtab.h): Likewise.
5142 * cpplex.c (hashtab.h): Likewise.
5143 * cppfiles.c (hashtab.h): Likewise.
5144 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
5145 to htab_find_slot_with_hash.
5146 * cpphash.c (hashtab.h): Now include.
5147 (_cpp_lookup_slot): INSERT is now enum insert_option.
5148 * cpphash.h (_cpp_lookup_slot): Likewise.
5149 * cppinit.c (hashtab.h): Include earlier.
5150 (initialize_builtins): Pass enum to htab_find_slot.
5151 * cpplib.c (hashtab.h): Now include.
5152 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
5153 (do_pragma_poison, do_assert): Likewise.
5154 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
5155 htab_find_slot_with_hash.
5156 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
5157 * tree.c (type_hash_add): Likewise.
5158 (build1): Minor cleanup.
5160 * ggc-common.c: Add missing blanks.
5161 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
5162 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
5164 * stmt.c (mark_case_node): New function.
5165 (mark_case_nesting): Call it.
5167 * expmed.c (emit_store_flag): If comparing two-word integer
5168 with zero, can optimize NE, EQ, GE, and LT.
5170 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
5171 * conflict.c: Minor cleanups.
5172 * optabs.c: Add blank line
5173 * simplify-rtx.c: Minor cleanups.
5175 2000-04-18 Stan Cox <scox@cygnus.com>
5177 * gengenrtl.c (genlegend): Fix misspelling.
5179 2000-04-18 Robert Lipe <robertlipe@usa.net>
5181 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
5182 bitfields of the host compiler are not signed quantities.
5183 * config.in: Regenerate.
5184 * configure: Regenerate.
5185 * system.h (USE_ENUM_BITFIELDS): Added.
5186 (ENUM_BITFIELDS): Added.
5187 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
5188 (SHORT_ENUM_BUG): Deleted.
5189 * tree.h (tree_common): Members `code', `mode', `built_in_class',
5190 now ENUM_BITFIELD.
5191 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
5192 (CODE_FIELD_BUG): Likewise.
5193 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
5194 (OLD_CC): Likewise.
5195 * config/m68k/x-ccur (X_CFLAGS): Likewise.
5197 2000-04-18 Mark Mitchell <mark@codesourcery.com>
5199 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
5200 mark is active.
5202 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5204 * cppexp.c (lex): Don't assume tokens are NUL terminated.
5205 * cpplib.c (do_include, do_import, do_include_next,
5206 read_line_number, detect_if_not_defined): Likewise.
5207 * cpphash.c (collect_expansion): Likewise.
5208 (special_symbol, _cpp_macroexpand): Check return from
5209 cpp_file_buffer.
5210 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
5211 macros. Delete all uses.
5213 * gcc.dg/cpp-mi.c: Add two more test cases.
5214 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
5216 2000-04-17 Richard Henderson <rth@cygnus.com>
5218 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
5219 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
5221 2000-04-17 Mark Mitchell <mark@codesourcery.com>
5223 * function.c (expand_function_start): Use hard_function_value to
5224 compute the RTL to use for DECL_RESULT.
5226 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
5228 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
5229 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5230 x86_memory_mismatch_stall): New global variables.
5231 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
5232 alloved; fix load penalties for Athlon.
5233 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
5234 x86_memory_mismatch_stall): Declare.
5235 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
5236 TARGET_MEMORY_MISMATCH_STALL): New.
5237 * i386.md (athlon scheduling parameters): Fix latencies according to
5238 Athlon Optimization Manual.
5239 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
5240 vector.
5241 (fsqrt instruction patterns): Set athlon_decode to direct.
5242 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
5243 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
5244 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
5245 and TARGET_PARTIAL_REGISTER_STALL machines.
5246 (pushdf_nointeger): New pattern.
5247 (pushdf_integer): Rename from pushdf.
5248 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
5249 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
5251 2000-04-17 Richard Henderson <rth@cygnus.com>
5253 * loop.c (canonicalize_condition): Add WANT_REG argument.
5254 Stop the search if we match it.
5255 * expr.h (canonicalize_condition): Update decl.
5256 * predict.c (expected_value_to_br_prob): Use it. Track last
5257 expected value note.
5258 (find_expected_value): Remove.
5260 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
5262 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
5264 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
5265 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
5266 a plain file.
5267 * configure.in: Call AC_FUNC_MMAP_FILE.
5268 * configure: Regenerate.
5269 * config.in: Regenerate.
5271 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
5272 * fixinc/fixincl.c: Likewise.
5274 2000-04-17 Richard Henderson <rth@cygnus.com>
5276 * builtins.c (expand_builtin_expect): New.
5277 (expand_builtin): Call it.
5278 * builtins.def (BUILT_IN_EXPECT): New.
5279 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5280 * extend.texi: Document it.
5282 * predict.c (expected_value_to_br_prob): New.
5283 (find_expected_value): New.
5284 * basic-block.h (expected_value_to_br_prob): Declare.
5285 * toplev.c (rest_of_compilation): Invoke it.
5287 * rtl.h (NOTE_EXPECTED_VALUE): New.
5288 (NOTE_INSN_EXPECTED_VALUE): New.
5289 * rtl.c (note_insn_name): Update.
5290 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5291 cases; handle NOTE_INSN_EXPECTED_VALUE.
5293 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5295 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5296 leaf sibcall delay slot if flag_pic.
5297 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5299 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5301 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5303 * fixproto: If fix-header fails, exit with an error.
5305 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5307 * cse.c (struct check_depdendence_data): New.
5308 (check_dependence): New function.
5309 (invalidate): Use check_depdenence.
5311 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5313 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5314 UNITS_PER_WORD is unsigned.
5316 * tree.h (struct tree_common): Remove misleading comment.
5318 2000-04-16 Dave Pitts <dpitts@cozx.com>
5320 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5321 message in quotes. Otherwise, IBM's make program treats the '#' as the
5322 start of a comment and ignores the remainder of the line.
5324 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5325 upper case.
5326 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5327 * cexp.y (initialize_random_junk): Likewise.
5328 * cppfiles.c (find_include_file): Cast alloca return value.
5329 * cppinit.c (initialize_standard_includes): Likewise.
5330 * cpplib.c (cpp_define, cpp_undef): Likewise.
5331 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5332 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5333 * fold-const.c (CHARMASK): New.
5334 (real_hex_to_f): Use it.
5335 * real.c (CHARMASK): New.
5336 (etoasc, asctoeg): Use it.
5337 (asctoeg): EBCDIC lower case characters preceed upper case.
5339 * i370.c (mvs_add_label): Change spacing for coding conventions.
5340 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5341 outputing case vectors.
5342 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5343 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5344 since vector in in the data CSECT.
5345 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5346 * i370.md (Many patterns): Put the length in the XL directives.
5347 (movdi): Put back STM and MVC in definition.
5348 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5349 pattern using the TCA.
5350 * oe.h (CPP_SPEC): Added to allow trigraphs.
5351 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5352 not support the "long long" type.
5354 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5356 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5357 function.
5358 (mips_reg_mode_ok_for_base_p): Likewise.
5359 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5360 (REG_OK_FOR_INDEX_P): Define unconditionally.
5361 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5362 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5363 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5364 that GET_MODE_SIZE is unsigned.
5365 (mips_reg_mode_ok_for_base_p): Define.
5366 (mips_legitimate_address_p): Likewise. Adjust now
5367 that GET_MODE_SIZE is unsigned.
5368 (block_move_loop): Make the number of bytes unsigned.
5369 (expand_block_move): Likewise.
5370 (function_arg): Make the loop counter unsigned to match the
5371 boundary condition.
5373 2000-04-16 Richard Henderson <rth@cygnus.com>
5375 * rtl.h (enum insn_note): New enumeration. Subsume
5376 NOTE_INSN_DELETED and friends.
5377 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5378 * rtl.c (note_insn_name): Tweak string order.
5380 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5382 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5383 to offset * 2.
5385 * cpplex.c (output_line_command): Remove debugging prints.
5386 (cpp_output_tokens): Don't write out a zero-length buffer or
5387 try to see if it has a newline in it.
5388 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5389 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5390 the end of the loop. Use memmove. Don't read past the end of
5391 the buffer. Remove trailing newlines from error messages.
5393 2004-04-16 Neil Booth <NeilB@earthling.net>
5395 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5396 * cpplib.c: Add new syntax flags to directive table, and
5397 supporting macros.
5399 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5401 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5402 using ret $N.
5404 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5406 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5407 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5409 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5411 * Makefile.in (ggc-page.o): Now includes toplev.h.
5412 * ggc-page.c (toplev.h): Now included.
5413 (gc_time): Remove declaration.
5414 (ggc_collect): TIME now long.
5415 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5416 others static.
5417 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5419 * toplev.c: Make *_time variable long to reduce chance of overflow.
5420 (TIMEVAR): Likewise for `otime'.
5421 (print_time): Arg is now long; compute percentage in FP and round.
5422 * toplev.h (print_time): Arg is long.
5424 * tree.c: Minor whitespace changes.
5426 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5427 * configure: Rebuilt.
5428 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5429 (__fixunsxfDI): Renamed from __fixunsxfdi.
5430 (__fixunsdfDI): Renamed from __fixunsdfdi.
5431 (__fixunssfDI): Renamed from __fixunssfdi.
5432 (__floatdisf): Use proper type in REP_BIT macro.
5433 (__fixunsxfSI): Renamed from __fixunsxfsi.
5434 (__fixunsdfSI): Renamed from __fixunsdfsi.
5435 (__fixunssfSI): Renamed from __fixunssfsi.
5436 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5437 Change location of macros and upper-case some names as above.
5438 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5439 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5441 * varasm.c (assemble_variable): Add cast to remove warning.
5442 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5444 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5445 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5446 region number to -1.
5448 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5450 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5451 call unshare_all_rtl.
5453 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5455 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5457 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5458 Use .s1 not .s0 for all FP instructions.
5460 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5462 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5463 interfaces.
5464 (safe_fwrite, output_line_command): New static functions.
5465 (cpp_expand_to_buffer): Now private to cpplib.
5466 (cpp_scan_buffer): Take a printer.
5468 * cpphash.h: Update prototypes.
5469 * cpplib.h: Update prototypes.
5470 (cpp_printer): New.
5471 (cpp_buffer): Remove last_nominal_fname.
5472 (cpp_reader): Remove lineno.
5474 * cppmain.c: Use a cpp_printer.
5475 * fix-header.c: No need to inhibit line commands. Call
5476 cpp_start_read with no printer.
5478 * cpperror.c (cpp_notice_from_errno): Provide default name.
5479 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5480 (find_include_file, cpp_read_file): Use make_IHASH.
5481 (file_cleanup): Set control_macro and clear
5482 input_stack_listing_current here.
5483 (_cpp_execute_include): Don't output entering-file marker.
5484 * cpphash.c (special_symbol): Look for the line number in the
5485 buffer, not the reader.
5486 (_cpp_macroexpand): No need to disable line commands.
5487 (_cpp_dump_definition): No need to generate line commands.
5488 (dump_hash_helper): Remove excess newline from output.
5489 * cppinit.c (dump_special_to_buffer): No need to generate line
5490 commands.
5491 (cpp_printer_init): New.
5492 (cpp_start_read): Take a printer, and start it up if it's not
5493 NULL. No need to generate line commands.
5494 (cpp_finish): Expect no buffers stacked at all. Take a
5495 printer argument, and flush the output buffer if it's not
5496 NULL.
5497 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5498 Don't put two hashes at the beginning of an assertion.
5499 (cpp_get_token): Don't increment pfile->lineno or emit line
5500 commands here. Return EOF if there's no buffer when we get
5501 EOF.
5502 * cpplib.c (do_define, skip_if_group):
5503 No need to disable line commands.
5504 (_cpp_output_line_command): Delete function.
5505 (do_line): Don't emit line commands here, but set things up so
5506 they will be emitted if necessary. Use _cpp_fake_ihash to
5507 make unique nominal_fnames if necessary.
5508 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5509 with 0 for column, not -1.
5510 (_cpp_handle_eof): Don't set the control macro here. Don't
5511 clear input_stack_listing_current here. Don't emit line
5512 commands.
5514 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5516 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5517 always, use the default SVR4 start address.
5519 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5520 (LINK_SHLIB_SPEC): Define.
5521 (LINK_START_DEFAULT_SPEC): Define.
5522 (LINK_OS_DEFAULT_SPEC): Define.
5524 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5526 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5527 __do_global_ctors to handle constructors.
5528 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5529 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5530 (STARTFILE_MVME_SPEC): Likewise.
5531 (STARTFILE_SIM_SPEC): Likewise.
5532 (ENDFILE_ADS_SPEC): Use crtend.
5533 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5534 (ENDFILE_MVME_SPEC): Likewise.
5535 (ENDFILE_SIM_SPEC): Likewise.
5536 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5537 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5538 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5539 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5540 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5541 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5542 (CRTSTUFF_T_CFLAGS_S): Define.
5543 * config/rs6000/eabi-ctors.c: Delete.
5545 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5546 boundary.
5547 (__fini): Likewise.
5548 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5549 boundary.
5550 (__fini): Likewise.
5552 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5554 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5555 plus mask size is smaller or equal to the mode size.
5557 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5559 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5560 not yet set.
5562 * expr.c (reload.h): Now included.
5563 (emit_block_move): Set volatile_ok when checking for movstr.
5564 (emit_move_1): Check for replacements in addresses in multi-word case.
5565 * Makefile.in (expr.o): Now includes reload.h.
5567 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5568 Never have a LIBCALL end a basic block.
5569 (find_basic_blocks_1): Likewise.
5570 Reorganize CALL_INSN cases.
5572 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5574 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5576 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5577 completers from mov.ret instruction.
5579 2000-04-14 Richard Henderson <rth@cygnus.com>
5581 * fold-const.c (extract_muldiv): Don't distribute and widen
5582 multiply across plus for non-sizetype unsigned types.
5584 2000-04-14 Richard Henderson <rth@cygnus.com>
5586 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5587 If the original source is dead in the incr insn, it's dead now.
5589 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5591 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5592 see if DECL_BIT_FIELD needs to still be set.
5594 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5596 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5597 print_int_cst_octal with something that's not an INTEGER_CST.
5599 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5600 and not a SUBREG to a FLOAT rtl.
5602 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5604 * emit-rtl.c (try_split): Avoid infinite loop if the split
5605 results in a sequence that contains the original insn.
5607 2000-04-13 Andreas Jaeger <aj@suse.de>
5609 * config/mips/mips.c (expand_block_move): Pass alignment
5610 argument to move_by_pieces in bits, not bytes.
5612 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5613 __pic__ for little endian.
5615 2000-04-13 Andreas Jaeger <aj@suse.de>
5617 * config/i386/i386-protos.h: Add prototype for
5618 uno_comparison_operator.
5620 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5622 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5623 * calls.c (ECF_PURE): New flag.
5624 (emit_call_1): Handle ECF_PURE calls.
5625 (initialize_argument_information): Unset ECF_PURE flag too.
5626 (precompute_arguments): Precompute for ECF_PURE too.
5627 (expand_call): Handle ECF_PURE calls too.
5628 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5629 accept value of 2 as pure function.
5630 (emit_library_call_value, emit_library_call): Rename no_queue argument
5631 to fn_type.
5632 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5634 * tree.h (DECL_IS_PURE): New macro.
5635 (struct tree_decl): Add pure_flag.
5636 * c-common.c (enum attrs): Add attribute "pure".
5637 (init_attributes): Initialize attribute "pure"
5638 (decl_attributes): Handle attribute "pure".
5639 * extend.texi (Attribute "pure"): Document.
5640 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5641 in pure function.
5642 (flags_from_decl_or_type): Support attribute "pure".
5644 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5646 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5647 the token except for numbers and identifiers.
5649 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5651 * i386.c (ix86_expand_binary_operator,
5652 ix86_expand_unary_operator): Check no_new_pseudos
5653 instead of reload_in_progress and reload_completed.
5654 (ix86_split_ashldi, ix86_split_ashrdi,
5655 ix86_split_lshrdi): Check no_new_pseudos instead
5656 of reload_completed.
5658 2000-04-12 Jeffrey A Law (law@cygnus.com)
5660 * function.c (purge_addressof): Unshare any shared rtl created by
5661 purge_addressof and its children.
5663 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5665 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5666 aggregates.
5668 2000-04-05 Andreas Jaeger <aj@suse.de>
5670 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5671 not compiling PIC code, add flags for mabi=64.
5672 (SUBTARGET_CPP_SIZE_SPEC): New.
5673 (SUBTARGET_CPP_SPEC): New.
5674 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5675 for MIPS/Linux and lots of code needs these defines.
5677 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5679 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5680 trying the "opposite arithmetic" approach.
5682 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5684 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5685 (struct sh_args): Add new field force_mem.
5686 (INIT_CUMULATIVE_ARGS): Initialize it.
5687 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5689 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5691 * calls.c (expand_call): Do not reverse args in "equal from" field.
5692 (emit_library_call_value_1): Emit_libcall_block for const and pure
5693 function.
5695 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5697 * reload1.c (reload_combine): Don't enable optimization for fixed
5698 registers when encountering a BARRIER.
5700 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5702 * builtins.c (expand_builtin_memcmp): Do expansion even with
5703 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5705 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5706 stack is propertly aligned; add sanity checking for aligned
5707 stack pointer.
5708 (expand_library_call_value_1): Add sanity checking for aligned
5709 stack pointer.
5711 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5713 * calls.c (emit_library_call_value_1): Change 3rd arg to
5714 locate_and_pad_parm to disregard the setting of partial.
5716 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5718 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5720 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5721 CALL_INSN from the normal case.
5723 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5725 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5726 New global variables.
5727 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5728 adjustment.
5729 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5730 Declare,
5731 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5732 TARGET_ADD_ESP_8): New macros.
5733 * i386.md: Add peep2s to convert esp adjustments to push and pop
5734 instructions.
5735 (pushsi_prologue, popsi_epilogue): New patterns.
5737 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5739 * real.c (toe64): Remove stale #endif from the last change.
5741 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5743 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5744 * real.c (toe64): Revert previous change.
5746 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5748 * objc/objc-act.c: Include ggc.h.
5749 (objc_tree_index, objc_global_trees): Convert most of the
5750 static tree variables into a static array with previous names
5751 as defines.
5752 (objc_ellipsis_node): New variable.
5753 (lang_init): Call objc_act_parse_init and c_parse_init.
5754 Create objc_ellipsis_node.
5755 (build_selector_translation_table): Use objc_ellipsis_node instead
5756 of (tree)1.
5757 (hack_method_prototype): Likewise.
5758 (get_arg_type_list): Likewise.
5759 (start_method_def): Likewise.
5760 (continue_method_def): Likewise.
5761 (gen_method_decl): Likewise.
5762 (ggc_mark_imp_list): New function.
5763 (ggc_mark_hash_table): New function.
5764 (objc_act_parse_init): New function.
5765 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5766 * c-parse.in (c_parse_init): For objc add roots of objc specific
5767 local tree variables.
5768 * objc/objc-parse.y: Rebuilt.
5769 * objc/objc-parse.c: Rebuilt.
5770 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5772 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5774 * cse.c (delete_trivially_dead_insns): Also delete insns
5775 that copy a register to itself where the destination is
5776 a strict_low_part.
5778 2000-04-11 Richard Henderson <rth@cygnus.com>
5780 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5781 (propagate_block): Initialize them. Use them in parallel instead
5782 of one tmp variable, ie revert much of the 0408 and 0407 functional
5783 changes, but keep the structural changes.
5784 (mark_set_regs): Take new_dead from propagate_block_info instead.
5785 (mark_set_1, mark_set_reg): Likewise.
5786 (mark_used_regs): Likewise with new_live.
5787 (mark_used_reg): Likewise. Revert 0408 change.
5789 2000-04-11 Nick Clifton <nickc@cygnus.com>
5791 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5792 restriction.
5793 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5795 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5797 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5798 const section to output a CONSTRUCTOR based on the same conditions
5799 used for VAR_DECLs.
5801 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5803 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5804 * pa/pa-protos.h (output_call): Add additional argument indicating
5805 if the call is a sibling/tail call.
5806 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5807 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5808 (function_arg, function_arg_partial_nregs): Likewise
5809 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5810 (emit_move_sequence): Zero extend certain constants as needed
5811 for TARGET_64BIT.
5812 (compute_zdepdi_operands, output_64bit_and): New functions.
5813 (output_64bit_ior, function_arg): Likewise.
5814 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5815 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5816 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5817 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5818 (output_bvb): Likewise.
5819 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5820 (output_call): New argument 'sibcall'. Generate sibcall sequences
5821 as needed.
5822 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5823 (ouput_arg_descriptor): Do not emit argument descriptors for
5824 TARGET_64BIT.
5825 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5826 defined.
5827 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5828 (FUNCTION_OK_FOR_SIBALL): Define.
5829 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5830 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5831 (CPP_SPEC): Use new spec infrastructure.
5832 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5833 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5834 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5835 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5836 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5837 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5838 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5839 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5840 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5841 (FUNCTION_ARG); Call out to C code.
5842 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5843 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5844 (MIN_UNITS_PER_WORD): Likewise.
5845 * pa/pa.md (cmpdi): New expander.
5846 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5847 (64bit conditional arithmetic): New patterns.
5848 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5849 (movsicc): Not available if modes on all the operands to not match.
5850 (movdicc): New expander and associated patterns.
5851 (64bit branches): New patterns.
5852 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5853 (pre_ldd, post_std): New patterns.
5854 (64bit addil, load low part): New patterns.
5855 (special movsf constant): Not available for TARGET_64BIT.
5856 (movsf, movdf expanders): Force constants into memory.
5857 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5858 (64bit movdf/movdi patterns): New patterns.
5859 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5860 for TARGET_64BIT.
5861 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5862 (adddi3 expander): Allow "arith_operand" for second input.
5863 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5864 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5865 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5866 (muldi3): New expander for TARGET_64BIT.
5867 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5868 for TARGET_64BIT.
5869 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5870 patterns for TARGET_64BIT.
5871 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5872 patterns for TARGET_64BIT.
5873 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5874 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5875 (sibcall_epilogue): New expander.
5876 (casesi): Tweak for TARGET_64BIT.
5877 (call expanders): Set & use the outgoing argument pointer. Use the
5878 64bit call patterns as needed. Add additional arg to output_call.
5879 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5880 (sibcall, sibcall_internal_symref): New expanders.
5881 (sibcall_value, sibcall_value_internal_symref
5882 (interspace_jump): Turn into an expander + matching patterns.
5883 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5884 * pa/pa64-regs.h: Eliminate trigraph sequences.
5885 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5887 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5889 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5890 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5891 cpp_token with cpp_ttype everywhere.
5892 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5893 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5894 CPP_BUF_COL. Line and column numbers are unsigned int, not
5895 long.
5896 * cpplex.c (cpp_buf_line_and_col): Delete.
5897 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5898 'long lineno' to 'unsigned int lineno'.
5899 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5901 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5903 * extend.texi: ISO C99 is not a draft anymore.
5904 * invoke.texi: ISO C++ is not a draft anymore.
5905 * cpp.texi: __cplusplus is required by the ISO standard.
5907 * extend.texi (-fthis-is-variable): Undocument.
5908 * flags.h (warn_template_debugging): Remove declaration.
5909 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5910 -Wenum-clash, -Wtemplate-debugging): Undocument.
5912 2000-04-10 Nick Clifton <nickc@cygnus.com>
5914 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5915 integer.
5916 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5917 integer.
5918 (ARM_SIGN_EXTEND): Use HOST_UINT.
5919 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5920 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5921 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5922 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5924 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5925 (arm_gen_constant): Use HOST_UINT.
5926 (arm_canonicalize_constant): Use HOST_UINT.
5927 (arm_reload_in_hi): Use HOST_UINT.
5928 (arm_reload_out_hi): Use HOST_UINT.
5929 (output_multi_immediate): Use HOST_UINT.
5930 (int_log2): Use HOST_UINT.
5931 (arm_poke_function_name): Use HOST_UINT.
5932 (arm_output_epilogue): Use arm_volatile_func().
5933 (output_thumb_prologue): Use arm_strip_name_encoding().
5935 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5937 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5938 of sequence point problems.
5940 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5942 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5943 Recomment.
5944 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5946 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5948 * sbitmap.h: Whitespace changes and use upper-case macro args.
5949 (struct simple_bitmap_def): All sizes now unsigned.
5950 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5951 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5952 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5953 (sbitmap_zero): Cast bzero arg to PTR.
5954 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5955 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5956 loop to make structure clearer.
5957 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5958 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5959 (sbitmap_a_and_b_or_c): Likewise.
5960 (sbitmap_intersection_of_succs): Minor cleanups.
5961 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5962 (sbitmap_union_of_preds): Likewise.
5963 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5964 (debug_sbitmap): New function.
5966 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5967 * c-typeck.c (convert_for_assignment): Likewise.
5969 * expmed.c (init_expmed): Don't free objects we make.
5970 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5972 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5973 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5975 * gcse.c (expr_hash_table_size): Now unsigned.
5976 (compute_ae_gen): Local variable `i' now unsigned.
5977 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5978 (compute_transout, hoist_code): Likewise.
5979 (compute_local_properties): Likewise, also hash_table_size.
5980 (alloc_expr_hash_table): N_INSNS now unsigned.
5981 (delete_null_pointer_checks): Mark arg F as unused.
5983 * regrename.c: Minor cleanups, including chang some variables
5984 to unsigned int.
5986 2000-04-10 Neil Booth <NeilB@earthling.net>
5988 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5989 than GETC ().
5990 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5992 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5994 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5995 __classof__, and __headof__ from the list of gnu keywords.
5996 (-ansi): Remove -foperator-names from list of implied options.
5997 Do not call it ANSI C++.
5998 (-foperator-names): Document as -fno-operator-names.
6000 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
6002 * cpphash.c (timestamp): Delete.
6003 (del_HASHNODE): If type is T_MCONST, free value.cpval.
6004 (special_symbol): Remove unnecessary braces. Remove
6005 T_VERSION. Treat T_STDC like T_CONST unless
6006 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
6007 when one is encountered, then convert them into T_MCONST
6008 nodes.
6009 * cppinit.c (builtin_array): version_string is T_MCONST.
6010 __STDC__ has a "1" in its cpval. Don't have a terminator
6011 entry. Clean up which entries are dumped.
6012 (initialize_builtins): Only __STDC__ gets the special
6013 -traditional treatment. Count the length of builtin_array.
6014 Render version_string here.
6015 * cpphash.h: Remove T_VERSION. Add T_MCONST.
6016 * cpplib.h (struct cpp_reader): Remove timebuf.
6018 2000-04-09 Richard Henderson <rth@cygnus.com>
6020 * genrecog.c (pred): Update comparison_operator for the unordered
6021 operators.
6023 * config/i386/i386.c (no_comparison_operator): Disallow unordered
6024 operators.
6025 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
6026 (uno_comparison_operator): New.
6027 (put_condition_code): Handle UNORDERED/ORDERED.
6028 (unsigned_comparison): Likewise.
6029 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
6030 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
6031 (ix86_expand_fp_compare): Use them. Take scratch as argument,
6032 update all callers. Handle all 8 unordered operators.
6033 (ix86_expand_setcc): Lose the unordered argument, update all callers.
6034 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
6035 * config/i386/i386.h (PREDICATE_CODES): Update.
6036 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
6037 (ix86_expand_branch, ix86_expand_setcc): Update.
6038 * config/i386/i386.md (sunordered, sordered): New.
6039 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
6040 (bunordered, bordered): New.
6041 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
6042 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
6043 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
6045 2000-04-09 Philip Blundell <philb@gnu.org>
6047 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
6049 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
6051 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
6052 fix_truncxfhi2): New patterns.
6053 * i386.c (output_fix_trunc): Handle converting to HImode.
6055 2000-04-08 Alex Samuel <samuel@codesourcery.com>
6057 * ssa.c (convert_to_ssa): Eliminate dead code when calling
6058 life_analysis.
6059 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
6060 (for_each_successor_phi): Change parameter to basic_block.
6061 (coalesce_regs_in_successor_phi_nodes): Likewise.
6062 (coalesce_regs_in_copies): Likewise.
6063 (compute_coalesced_reg_partition): Use basic_block instead of index.
6064 * rtl.h (convert_to_ssa): Delete.
6065 (convert_from_ssa): Likewise.
6066 (successor_phi_fn): Likewise.
6067 (for_each_successor_phi): Likewise.
6068 (in_ssa_form): Likewise.
6069 * basic-block.h (convert_to_ssa): Moved from rtl.h.
6070 (convert_from_ssa): Likewise.
6071 (successor_phi_fn): Likewise.
6072 (in_ssa_form): Likewise.
6073 (for_each_successor_phi): Likewise. Change parameter to basic_block.
6074 * flow.c (calculate_global_regs_live): Pass a basic_block to
6075 for_each_successor_phi.
6077 2000-04-08 Richard Henderson <rth@cygnus.com>
6079 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
6080 was modified in the current insn.
6082 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6084 * arm/thumb.md: Delete.
6085 * arm/thumb-protos.h: Delete.
6087 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6089 Merge changes from merged-arm-thumb-backend-branch onto trunk.
6091 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
6093 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
6094 into branch.
6096 * arm.md (nop): Use the standard RTL expression. Don't code as a
6097 define_expand.
6098 (*arm_nop, *thumb_nop): Delete.
6100 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
6101 constants. Use casts instead.
6102 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
6103 output_multi_immediate, arm_poke_function_name): Likewise.
6104 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
6105 MASK_RETURN_ADDDR): Likewise.
6107 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
6109 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
6110 into branch.
6112 * arm.md (eh_epilogue): New function.
6113 * arm.h (struct machine_function): Move to here ...
6114 * arm.c: ... from here.
6115 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
6116 (thumb_exit): Extra parameter eh_ofs. All callers changed.
6117 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
6119 2000-03-30 Nick Clifton <nickc@cygnus.com>
6121 * config/arm/semi.h (ASM_SPEC): Restore definition.
6122 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6124 * config/arm/elf.h (ASM_SPEC): Restore definition.
6125 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
6127 * config/arm/arm.h (ASM_SPEC): Remove definition.
6128 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
6130 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
6132 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
6134 2000-03-24 Nick Clifton <nickc@cygnus.com>
6136 Various formating tidyups, elimination of compile time
6137 warnings and synchronisation with internal sources:
6139 * config/arm/arm-protos.h (assemble_align): Add prototype.
6140 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6141 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6142 (arm_return_addr_rtx): Rename to arm_return_addr.
6144 * config/arm/arm.c: Include except.h.
6145 Define shorter typenames for strict minipool_node and struct
6146 minipool_fix.
6147 (arm_return_in_memory): For WinCE return all structures <= 32 bits
6148 in memory.
6149 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
6150 (gen_comapre_reg): Rename to arm_gen_compare_reg.
6152 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
6153 already defined.
6154 (ASM_SPEC): Define if not already defined.
6155 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
6157 * config/arm/arm.md: Rename references to gen_rotated_half_load to
6158 arm_gen_rotated_half_load, and references to gen_comapre_reg to
6159 arm_gen_compare_reg.
6160 (indirect_jump): Only accept register operands.
6161 (load_indirect_jump): Keep this pattern since combine can generate
6162 it.
6164 * config/arm/coff.h: Include aout.h.
6165 (MULTILIB_DEFAULTS): Only define if not already defined.
6167 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
6168 into arm.h (so that COFF ports can support thumb based aliases).
6169 (ASM_SPEC): Move definition into arm.h
6171 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
6172 redundant apcs spec.
6173 (ASM_SPEC): Move definition to arm.h
6175 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
6177 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
6178 for entries in the .bss section
6180 2000-03-23 Nick Clifton <nickc@cygnus.com>
6182 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
6183 to thumb_far_jump_used_p.
6185 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
6186 single integer parameter.
6188 * config/arm/arm.c (struct machine_function): Add two new
6189 fields, 'far_jump_used' and 'arg_pointer_live'.
6190 (thumb_far_jump_used_p): Once the decision has been made that
6191 far jumps might be used, always return true.
6192 If being called from the initial elimination offset macro then
6193 do not bother to perform the test if the arg pointer is not
6194 being used.
6195 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
6196 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
6198 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
6200 * arm.c (output_return_instruction): Handle more cases where we can
6201 return from a function with an ldr instruction.
6202 (arm_output_epilogue): Likewise.
6204 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
6205 if we need to push a large stack frame and there are no callee-saved
6206 registers.
6208 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
6209 in ARM code if the frame pointer has been eliminated.
6211 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
6212 unspec_volatile arguments to avoid duplicates.
6213 (consttable_1, consttable_2): Fixes for big-endian mode.
6215 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
6216 as appropriate.
6218 Re-write constant pool code.
6219 * arm.c (minipool_node, minipool_fix): New types.
6220 (minifix): Delete type.
6221 (arm_add_minipool_constant): Delete.
6222 (arm_compute_minipool_offsets, arm_find_barrier,
6223 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
6224 (get_jump_table_size): Now returns HOST_WIDE_INT.
6225 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
6226 functions.
6227 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
6228 (assign_minipool_offsets, arm_print_value): Likewise.
6229 (dump_minipool): Rewrite.
6230 (arm_barrier_cost): New function.
6231 (create_fix_barrier): New function.
6232 (push_minipool_barrier): New function.
6233 (push_minipool_fix): Record additional information about the fixup
6234 required.
6235 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
6236 check the mode of what needs fixing.
6237 (arm_reorg): Rewrite.
6239 2000-03-08 Nick Clifton <nickc@cygnus.com>
6241 * config/arm/arm.md (indirect_jump): Force constant addresses into
6242 a register.
6244 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
6246 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
6248 2000-02-24 Nick Clifton <nickc@cygnus.com>
6250 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
6251 adjust is word aligned.
6252 (thumb_expand_epilogue): Make sure that stack adjust is word
6253 aligned.
6255 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
6257 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
6259 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
6260 pointer relative addresses.
6262 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
6264 * arm.c (find_barrier): Find the last barrier within the allowed
6265 range.
6267 2000-02-09 Nick Clifton <nickc@cygnus.com>
6269 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
6271 2000-02-09 Nick Clifton <nickc@cygnus.com>
6273 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6274 ARM_FUNCTION_PROFILER.
6276 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6277 ARM_FUNCTION_PROFILER.
6279 * config/arm/linux-oldld.h: Imported from mainline sources.
6281 2000-02-07 Nick Clifton <nickc@cygnus.com>
6283 * config/arm/lib1funcs.asm: Merge in thumb functions from
6284 lib1thumb.asm.
6286 * config/arm/lib1thumb.asm: Delete.
6288 2000-02-04 Nick Clifton <nickc@cygnus.com>
6290 * config/arm/arm.c: Sychronised with current Red hat local
6291 sources.
6292 * config/arm/arm.h: Ditto.
6293 * config/arm/arm-protos.h: Ditto.
6295 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6297 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6299 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6300 byte stores.
6302 2000-02-02 Nick Clifton <nickc@cygnus.com>
6304 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6306 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6307 (return) was emited using an emit_insn() call.
6309 2000-01-31 Nick Clifton <nickc@cygnus.com>
6311 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6312 thumb stack frame.
6313 (thumb_exit): Move frame pointer back into hard frame pointer
6314 register if backtracing is being used.
6316 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6318 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6319 into branch.
6321 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6323 * config/arm/arm.md (neg_pool_offset): Provide default for new
6324 attribute.
6325 (arm_movsi_insn): Add neg_pool_offset attribute.
6326 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6327 rtx for the insn that starts the scan and an unsigned long for its
6328 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6329 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6330 instructions in *PINSERTED.
6331 (struct minipool_fixup): Add MIN_ADDRESS elt.
6332 (sort_fixups): Compute it.
6333 (arm_reorg): Changes to support inserting pools before the insn to be
6334 fixed up.
6336 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6338 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6339 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6340 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6342 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6344 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6345 defined.
6346 (TARGET_DEFAULT): Do not define if already defined.
6348 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6350 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6351 (iordi3): Allow disjoint source operands.
6352 (xordi3): Allow disjoint source operands.
6353 (negdi2): Permit construction for ARM and Thumb.
6354 (arm_negdi2): Renamed version of old negdi2 pattern.
6355 (thumb_negdi2): New pattern: Only permit non-overlapping
6356 source and destination.
6358 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6360 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6361 scratch low register so that it will not be deleted.
6363 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6365 * config/arm/pe.h (ARM_PE): Define.
6367 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6368 interfacearm attribute if this is a PE toolchain.
6369 (output_return_instruction): Do not emit anything if the function
6370 has the naked attribute set.
6371 (is_called_in_ARM_mode): If the function has the interfacearm
6372 attribute then return true.
6373 (thumb_expand_prologue): Do not generate a prologue for naked
6374 functions.
6375 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6376 function.
6377 (output_thumb_prologue): Do not bother if the function is naked.
6378 Strip PE encoding from function name before emitting.
6380 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6382 * arm.md (pic_load_addr): Fix constraints.
6384 * arm.md (casesi_insn): Fix mis-applied patch.
6386 * arm.md ("core" function unit): Add rules for single- and
6387 multi-cycle insns.
6388 (All TARGET_THUMB patterns): Add "type" attribute information
6389 where needed.
6390 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6391 the following insn is a CALL.
6393 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6394 pointer.
6395 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6396 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6397 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6399 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6401 * config/arm/linux-gas.h: oops - this file was missed out when the
6402 branch was created...
6404 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6406 * thumb.c: Deleted. Move contents to ...
6407 * arm.c: ... here.
6408 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6409 rule for thumb.o
6410 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6411 * configure: Regen.
6413 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6414 declare a prototype for asm_output_align();
6416 * arm.c (thumb_condition_code): Delete.
6417 (arm_print_operand): Always use arm_condition_code array.
6419 * arm.c (thumb_return_addr_rtx): Delete.
6420 (arm_save_machine_status, arm_restore_machine_status): Delete.
6421 (arm_init_machine_status, arm_mark_machine_status): New functions.
6422 (arm_init_expanders): Update accordingly.
6423 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6424 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6425 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6427 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6429 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6430 script.
6431 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6432 targets.
6434 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6436 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6437 stack backtrace structure.
6439 * config/arm/arm-protos.h: Add prototypes for functions defined in
6440 arm/pe.h.
6442 * config/arm/arm.c (arm_override_options): Fix selection of
6443 attributes of default processor.
6445 * config/arm/coff.h: Delete needless #include.
6447 * config/arm/pe.c: Delete unused code.
6449 * config/arm/pe.h (CPP_DEFINES): Delete
6450 (SUBTARGET_CPP_SPEC): Define.
6451 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6453 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6455 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6457 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6458 updated.
6459 (CAN_DEBUG_WITHOUT_FP): Define.
6460 (FIXED_REGISTERS): Make r11 call-saved.
6461 (CALL_USED_REGISTERS): Likewise.
6462 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6463 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6464 frame-pointer is required.
6465 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6466 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6467 if the target normally needs a stack frame in non-leaf functions.
6468 (use_return_insn): Correct logic for determining when a return
6469 instruction can be used.
6470 (output_return_instruction): Handle the frame-pointer register as
6471 a normal register when not TARGET_APCS_FRAME.
6472 (arm_output_prologue): Likewise.
6473 (arm_output_epilogue): Likewise.
6474 (output_func_epilogue): Likewise.
6475 (arm_expand_prologue): Likewise.
6476 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6478 * arm.c (use_return_insn): No need to check floating point regs if
6479 TARGET_SOFT_FLOAT.
6480 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6481 the code of value stored in the minipool array.
6482 (arm_add_minipool_constant): Likewise.
6484 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6486 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6488 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6490 * tree.c (tree_expr_nonnegative_p): New function.
6492 * tree.h (tree_expr_nonnegative_p): Declare.
6494 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6495 elide some sign_compare warnings.
6496 (build_conditional_expr): Likewise.
6498 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6500 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6502 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6503 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6504 operand. Abort if a 387 operand has an unsupported size.
6506 2000-04-08 Neil Booth <NeilB@earthling.net>
6508 * cppexp.c (parse_charconst): Null does not end character
6509 constants.
6510 * cppinit.c (ISTABLE): Null character handled as whitespace.
6511 * cpplex.c (null_warning): new function.
6512 (skip_string): Emit warning if nulls encountered.
6513 (_cpp_skip_hspace): Emit warning if nulls encountered.
6514 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6515 them.
6516 * cpp.texi: Update.
6518 2000-04-07 Richard Henderson <rth@cygnus.com>
6520 * flow.c (loop_depth): Remove.
6521 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6522 (struct propagate_block_info): New.
6523 (life_analysis): Don't allocate reg_next_use.
6524 (propagate_block_delete_insn): Break out of propagate_block.
6525 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6526 (propagate_block_delete_libcall): Likewise.
6527 (propagate_block): Create a propagate_block_info struct to pass
6528 to subroutines. Allocate one not two temporary regsets. Don't
6529 clobber memory for const calls. Look for clobbers in
6530 CALL_INSN_FUNCTION_USAGE.
6531 (mark_set_regs): Recognize COND_EXEC.
6532 (mark_set_reg): Break out of mark_set_1.
6533 (mark_used_reg): Break out of mark_used_regs.
6534 (mark_used_regs): Recognize COND_EXEC.
6535 (insn_dead_p): Use propagate_block_info struct.
6536 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6537 (find_auto_inc, try_pre_increment_1): Likewise.
6538 (print_rtl_with_bb): Dump regs live at end too.
6539 (count_reg_sets_1): Pass in loop_depth.
6540 (count_reg_sets, count_reg_references): Likewise.
6541 (recompute_reg_usage): Provide it.
6543 2000-04-07 Richard Henderson <rth@cygnus.com>
6545 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6546 not the raw files.
6548 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6550 * cpplib.c (do_elif): Skip the rest of the line if we're
6551 not going to bother evaluating it.
6552 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6553 to avoid pointless calls to the lexer.
6555 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6557 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6559 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6561 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6563 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6565 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6567 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6569 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6570 crtend so they can be multilibbed.
6571 (STAGESTUFF): Remove s-crt and s-crtS.
6573 2000-04-07 Richard Henderson <rth@cygnus.com>
6575 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6576 if we discover we need a pseudo and no_new_pseudos is true.
6577 * config/alpha/alpha.md (ne:DI insn): New.
6578 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6580 2000-04-07 Richard Henderson <rth@cygnus.com>
6582 * rtl.def (COND_EXEC): New.
6583 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6584 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6586 * genconfig.c (have_cond_arith_flag): Remove.
6587 (have_cond_exec_flag): New.
6588 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6589 (main): Print HAVE_conditional_execution.
6591 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6592 (sched_analyze_insn, print_pattern): Likewise.
6593 * reload.c (find_equiv_reg): Likewise.
6594 * rtlanal.c (reg_referenced_p): Likewise.
6595 (note_stores, dead_or_set_regno_p): Likewise.
6596 (reg_overlap_mentioned_p): Rewrite to use a switch.
6598 * ggc.h (struct rtx_def): Forward declare.
6600 * print-rtl.c (debug_rtx_range): New.
6601 * rtl.h (debug_rtx_range): Declare.
6603 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6605 * gcse.c (gcse_main): Don't rebuild the CFG here.
6606 (delete_null_pointer_checks): Likewise.
6607 * ssa.c (convert_to_ssa): Likewise.
6608 * toplev.c (rest_of_compilation): Do it here instead. Combine
6609 sequential calls to TIMEVAR. Consistently use `insns' instead of
6610 `get_insns()'. Always split insns after reload when optimizing.
6612 * basic-block.h (merge_blocks_nomove): Declare.
6613 (tidy_fallthru_edge): Declare.
6614 * flow.c (merge_blocks_nomove): Document as merging into previous
6615 blocks. Remove cruft from between blocks; remove all edges out of A.
6616 (tidy_fallthru_edge): Export.
6618 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6620 * ssa.c (compute_conservative_reg_partition): Declare with
6621 void arguments.
6622 * toplev.c (clean_dump_file): Remove previously-deleted function
6623 inadvertantly merged back in.
6624 * conflict.c (conflict_graph_add): Use a single call to
6625 htab_find_slot to look up and insert.
6627 2000-04-06 Richard Henderson <rth@cygnus.com>
6629 * genrecog.c (*): Rename _last_insn to last_insn.
6630 (make_insn_sequence): Set the position of the peephole2 C test
6631 to be at the last insn.
6633 2000-04-06 Richard Henderson <rth@cygnus.com>
6635 * flow.c (compute_flow_dominators): Free worklist.
6637 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6639 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6641 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6643 * rtl.h (INSN_P): New macro.
6644 (successor_phi_fn): New typedef.
6645 (for_each_successor_phi): New prototype.
6646 (in_ssa_form): New variable.
6647 (PHI_NODE_P): Likewise.
6648 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6649 phi nodes in successors.
6650 (mark_used_regs): Add PHI case.
6651 (set_phi_alternative_reg): New function.
6652 (life_analysis): Assert that dead code elimination is not selected
6653 when in SSA form.
6654 * toplev.c (to_ssa_time): New variable.
6655 (from_ssa_time): Likewise.
6656 (compile_file): Zero to_ssa_time and from_ssa_time.
6657 Print time to convert to and from SSA.
6658 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6659 (print_time): Compute percent fraction as integer.
6660 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6661 (convert_to_ssa): Check if we're already in SSA.
6662 Don't eliminate dead code in life_analysis.
6663 Rerun flow and life analysis at bottom.
6664 (eliminate_phi): Use canonical regnos when adding nodes.
6665 (mark_reg_in_phi): New function.
6666 (mark_phi_and_copy_regs): Likewise.
6667 (convert_from_ssa): Rerun life analysis at top.
6668 Use coalesced partition.
6669 Check for removing a phi node at the end of the block.
6670 (compute_coalesced_reg_partition): New function.
6671 (coalesce_regs_in_copies): Likewise.
6672 (coalesce_reg_in_phi): Likewise.
6673 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6674 (for_each_successor_phi): Likewise.
6675 (rename_context): New struct.
6676 (rename_block): Use a rename_context with rename_insn_1. When
6677 renaming sets of a subreg, emit a copy of the entire reg first.
6678 (rename_insn_1): Treat data as a rename_context *. Save current
6679 insn in set_data.
6680 (rename_set_data): Add field set_insn.
6681 * Makefile.in (HASHTAB_H): Move up in file.
6682 (OBSTACK_H): New macro.
6683 (collect2.o): Use OBSTACK_H in dependencies.
6684 (sdbout.o): Likewise.
6685 (emit-rtl.o): Likewise.
6686 (simplify-rtx.o): Likewise.
6687 (fix-header.o): Likewise.
6688 (OBJS): Add conflict.o.
6689 (conflict.o): New rule.
6690 * basic-block.h: Include partition.h.
6691 (conflict_graph): New typedef.
6692 (conflict_graph_enum_fn): Likewise.
6693 (conflict_graph_new): New prototype.
6694 (conflict_graph_delete): Likewise.
6695 (conflict_graph_add): Likewise.
6696 (conflict_graph_conflict_p): Likewise.
6697 (conflict_graph_enum): Likewise.
6698 (conflict_graph_merge_regs): Likewise.
6699 (conflict_graph_print): Likewise.
6700 (conflict_graph_compute): Likewise.
6701 * conflict.c: New file.
6703 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6705 * tlink.c (read_repo_files): Don't look for .rpo info for
6706 linker flags.
6708 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6710 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6712 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6714 * config/sh/lib1funcs.asm (___udivsi3_i4):
6715 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6716 only depends on FMOVD_WORKS.
6718 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6720 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6721 make double constant 8-byte aligned.
6723 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6725 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6726 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6727 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6728 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6729 Accept storing GENERAL_REGS into offsetable memory.
6730 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6731 building a TFmode constant other than 0.0L into GENERAL_REGS.
6733 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6735 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6737 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6739 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6740 (macro_cleanup): No need to cast pbuf->macro.
6741 (collect_expansion): Use _cpp_get_define_token. Goto done if
6742 it returns VSPACE. Remove check for trailing space after
6743 CPP_COMMENT.
6744 (_cpp_create_definition): Don't diddle flags here. Return
6745 directly on error.
6746 (unsafe_chars): Handle c1 being EOF.
6747 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6748 checks. Don't push the buffer till after we're done with
6749 them.
6750 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6751 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6752 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6753 appropriately.
6754 (_cpp_parse_assertion): Don't NUL terminate.
6755 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6756 hspace before calling _cpp_parse_assertion. Remove all sets
6757 of only_seen_white. Treat '\f' as hspace. Don't do anything
6758 special with '\n' here.
6759 (maybe_macroexpand): Handle T_EMPTY hash entries without
6760 pushing a buffer at all.
6761 (cpp_get_token): Handle clearing only_seen_white here. Handle
6762 incrementing the line number here. Clear
6763 potential_control_macro as well as only_seen_white, if
6764 appropriate.
6765 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6766 (_cpp_get_define_token): New function, basically like
6767 _cpp_get_directive_token was but doesn't eat horizontal space.
6768 Don't do anything with only_seen_white here.
6769 (_cpp_get_directive_token): Just call _cpp_get_define_token
6770 repeatedly till it returns non-hspace.
6772 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6773 (conditional_skip, skip_if_group): Return int.
6774 (DIRECTIVE_TABLE): Change origin of all conditional directives
6775 to "COND".
6776 (TRAD_DIRECT_P): New macro.
6777 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6778 an error for a bogus directive, unless -lang-asm. Use
6779 TRAD_DIRECT_P. Loop calling handler functions till one returns
6780 zero.
6781 (get_macro_name): Don't diddle flags here.
6782 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6783 Create T_EMPTY nodes for #define macro /* nothing */.
6784 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6785 Use hp->name when calling pass_thru_directive.
6786 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6787 Return the result of conditional_skip and/or skip_if_group.
6788 Don't call _cpp_output_line_command.
6789 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6790 Issue -Wtraditional warnings as appropriate. Don't complain
6791 about unrecognized directives. If we are to stop skipping,
6792 return the number of the directive that ended the skip.
6793 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6794 expansion and line commands while skipping. Return the result
6795 of consider_directive_while_skipping, if nonzero.
6796 (do_endif): Just set potential_control_macro here.
6797 (validate_else): Use _cpp_get_directive_token.
6798 (do_assert, do_unassert): Don't save pointers into the
6799 token_buffer across calls to the lexer. Use
6800 _cpp_get_directive_token.
6802 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6803 pointer, not an offset. Replace 'data', which was a generic
6804 pointer, with 'macro', which points to a struct hashnode.
6805 (cpp_reader): Add 'potential_control_macro' pointer.
6806 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6807 (CPP_BUF_GET, CPP_FORWARD): Delete.
6808 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6809 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6810 ACTIVE_MARK_P): Update.
6811 (_cpp_get_define_token): New internal function.
6812 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6814 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6816 * configure.in: And here.
6817 * configure: Regenerate.
6818 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6819 --enable-libstdcxx-v3 is passed at configure time.
6820 * config.h.in: Regenerate.
6822 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6824 * final.c (final): Use xcalloc to allocate line_note_exists.
6825 * function.c (free_after_compilation): Free the temp_slots.
6826 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6827 (combine_temp_slot): Free temp_slots when they get combined.
6828 (purge_addressof): Fix typo in comment.
6829 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6830 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6832 * ggc.h: Include varray.h.
6833 (ggc_pending_trees): Declare.
6834 (ggc_mark_tree_children): Remove declaration.
6835 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6836 * ggc-common.c (ggc_pending_trees): New variable.
6837 (ggc_mark_roots): Call ggc_mark_trees.
6838 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6839 the ggc_pending_trees.
6840 * Makefile.in (GGC_H): New variable. Use it throughout in place
6841 of ggc.h.
6843 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6845 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6846 GET_MODE_SIZE.
6848 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6850 * sh.c (sh_insn_length_adjustment): New function.
6851 * sh-protos.h (sh_insn_length_adjustment): Declare.
6852 * sh.h (ADJUST_INSN_LENGTH): Use it.
6854 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6856 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6857 from the insn where REG_RETVAL is added.
6858 (emit_no_conflict_block): Ditto.
6860 * md.texi (Standard Names): Clarify when movX is needed.
6862 * combine.c (simplify_comparison) [MINUS]: Do not replace
6863 all (op (minus A B) 0) with (op A B).
6865 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6866 J"orn Rennecke <amylaar@cygnus.co.uk>
6868 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6869 (block_lump_real): Likewise.
6871 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6873 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6874 remaining non-zero debugging masks.
6876 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6878 * basic-block.h (verify_flow_info): Declare.
6879 (flow_loop_outside_edge_p): Declare.
6880 * flow.c (verify_flow_info): Remove declaration.
6881 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6883 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6885 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6886 not C++ comments.
6888 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6890 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6891 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6892 seqdi_zero_trunc+1): Allow splits only if registers are
6893 different.
6895 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6897 * acconfig.h: Add HAVE_GAS_HIDDEN.
6898 * config.in: Regenerated.
6899 * configure.in: Add test for .hidden pseudo-op in gas.
6900 * configure: Regenerated.
6901 * crtstuff.c: Include auto-host.h.
6902 Emit additional .hidden pseudo-op for __dso_handle if the
6903 assembler knows about it.
6905 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6907 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6908 before freeing argnames.
6909 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6911 2000-04-05 Michael Meissner <meissner@redhat.com>
6913 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6914 Walton <jonboy@gordian.com> to make memory references with update
6915 work wtih -mregnames.
6917 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6919 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6920 (regrename_optimize): Rename variables `def_uses' and
6921 `ext_basic_blocks' to avoid conflicts with similarly named
6922 typedefs in traditional C.
6924 * calls.c (initialize_argument_information): Fix typo in previous
6925 change.
6927 2000-04-04 Richard Henderson <rth@cygnus.com>
6929 * regrename.c (consider_available): Test fixed_regs not
6930 PIC_OFFSET_TABLE_REGNUM.
6932 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6934 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6935 crtend.
6936 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6937 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6938 (ENDFILE_LINUX_SPEC): Always use crtend.
6939 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6940 (powerpc-*-linux-gnu): Likewise.
6941 * configure: Regenerate.
6943 * config/rs6000/eabi.h: Don't include sysv4.h.
6944 (MULTILIB_DEFAULTS): Don't define.
6945 * config/rs6000/eabiaix.h: Don't include eabi.h.
6946 * config/rs6000/eabile.h: Delete.
6947 * config/rs6000/eabilesim.h: Delete.
6948 * config/rs6000/eabisim.h: Don't include eabi.h.
6949 * config/rs6000/linux.h: Don't include sysv4.h.
6950 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6951 (MULTILIB_DEFAULTS): Don't redefine.
6952 * config/rs6000/rtems.h: Don't include eabi.h.
6953 * config/rs6000/sol2.h: Don't include sysv4le.h.
6954 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6955 * config/rs6000/t-ppc: Delete.
6956 * config/rs6000/t-ppcgas: Correct comment.
6957 * config/rs6000/t-ppcos: Correct comment. Don't build
6958 multilibs for -fPIC, rather use -fPIC -mstrict-align
6959 as default.
6960 * config/rs6000/t-ppc: Delete.
6961 * config/rs6000/vxppc.h: Don't include sysv4.h.
6962 * config/rs6000/vxppcle.h: Delete.
6963 * configure.in: Use multiple header files for p2pc ELF targets
6964 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6965 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6966 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6967 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6968 always available for these platforms.
6970 2000-04-04 Richard Henderson <rth@cygnus.com>
6972 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6974 2000-04-04 Stan Cox <scox@cygnus.com>
6976 * Makefile.in: Add rules for regrename.o
6977 * regrename.c: New file.
6978 * rtl.h (regrename_optimize): Add prototype.
6979 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6980 (compile_file, decode_d_option): Add support for -frename-registers.
6981 (rest_of_compilation): Call regrename_optimize.
6982 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6983 New macros.
6985 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6987 * Makefile (gccbug): New target.
6988 (doc): Depend on it.
6989 * gcc.texi (Bugs): Link subnodes.
6990 (gccbug): New node.
6991 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6992 Document severities, priorities, and classes in bug form.
6994 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6996 * cpplex.c (trigraph_map, speccase): Combine into single
6997 table, chartab.
6998 (NORMAL, NONTRI): New macros.
6999 (_cpp_read_and_prescan): Change to use unified table. Use
7000 is_hspace to test for whitespace.
7002 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
7003 definition that doesn't provoke the "empty body in an
7004 if-statement" warning.
7006 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
7008 * builtins.c (expand_builtin_strlen): Force the source to
7009 be a memory address.
7011 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7013 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
7015 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
7017 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
7018 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
7019 (ECF_IS_CONST): Rename to ECF_CONST.
7020 (special_function_p): Make static, change interface.
7021 (flags_from_decl_or_type, try_to_integrate): Break out from ...
7022 (expand_call) ... here; convert number of variables to flags.
7023 (emit_library_call_vlue_1): Likewise.
7024 (setjmp_call_p): New function.
7025 (initialize_argument_information): Accepts flags as argument;
7026 return flags.
7027 (precompute_arguments): Likewise.
7028 * tree.h (special_function_p): Remove.
7029 (setjmp_call_p): Add prototype.
7031 2000-04-04 Jakub Jelinek <jakub@redhat.com>
7033 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
7034 so that addresses are offsetable by up to 16 bytes.
7035 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
7036 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
7037 offsetable.
7039 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
7040 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
7041 (movsf): Don't force any constant to memory if target is integer
7042 hard register.
7043 Move fp_zero_operand check below the const0_rtx check.
7044 (movtf): Likewise. Also allow fp_zero_operand for stores into
7045 memory.
7046 (movdf): Likewise. Also allow fp_zero_operand for stores into
7047 memory and into integer hard registers.
7048 (clear_df, clear_dfp, movdf_const_intreg_sp32,
7049 movdf_const_intreg_sp64): Remove.
7050 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
7051 conditions.
7052 (movdf_no_e_insn_v9_sp32): New pattern.
7053 (movdf_insn_v9only): Remove.
7054 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
7055 (movdf_insn_sp64): Remove.
7056 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
7057 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
7058 (following splits): Rewrite conditions. Add two new splits
7059 for storing 0.0 into memory and registers.
7060 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
7061 (movtf_insn_sp32): Redo constraints and conditions.
7062 (movtf_insn_vis_sp32): New pattern.
7063 (movtf_no_e_insn_sp32): Redo constraints and conditions.
7064 (movtf_insn_hq_sp64): Likewise.
7065 (movtf_insn_hq_vis_sp64): New pattern.
7066 (movtf_insn_sp64): Redo constraints and conditions.
7067 (movtf_insn_vis_sp64): New pattern.
7068 (movtf_no_e_insn_sp64): Redo constraints and conditions.
7069 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
7070 or memory.
7071 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
7072 -mvis or -m64 to take down the number of various reload patterns.
7074 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
7076 * pa/pa-64.h: New file.
7077 * pa/pa64-regs.h: New file.
7078 * pa/pa64-start.h: New file.
7079 * pa/t-pa64: New file.
7080 * pa/xm-pa64hpux.h: New file.
7082 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7084 * sparc.c (output_restore_regs): Prototype.
7085 (sparc_emit_float_lib_cmp): Constification.
7087 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
7089 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
7090 Prototype.
7092 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
7093 (get_value_hash, hash_rtx): Likewise.
7095 * ssa.c (compute_conservative_reg_partition): Prototype.
7097 * tree.c (mark_hash_entry): Prototype.
7099 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
7101 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
7102 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
7103 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
7105 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
7106 * objc/lang-specs.h: Likewise.
7108 2000-04-03 Neil Booth <NeilB@earthling.net>
7110 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
7111 and SYNTAX_ERROR2. Replace `' in messages with ''.
7112 (op_to_str): Make re-entrant.
7113 (_cpp_parse_expr): Implement new error macros. Use | rather
7114 than || to logically or 2 boolean integers. Simply expression
7115 checking we have a left operand iff needed.
7117 2000-04-03 Nick Clifton <nickc@cygnus.com>
7119 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
7121 2000-04-03 Philip Blundell <philb@gnu.org>
7123 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
7125 2000-04-03 Felix Lee <flee@cygnus.com>
7127 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
7128 (run_shell): Use it.
7130 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
7132 * Makefile.in (stmp-int-hdrs): Make include subdir here...
7133 (stmp-fixproto): ...rather than here.
7135 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
7137 * pa.c (print_operand): Compute 'base' only inside the code paths
7138 that use it.
7140 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
7142 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
7143 CEIL_DIV_EXPR.
7145 2000-04-03 Philipp Thomas <pthomas@suse.de>
7147 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
7149 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
7151 * Makefile.in (alias.o): Depend on $(TREE_H).
7153 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
7155 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
7156 processing C++.
7157 * cpplib.c (_cpp_handle_directive): Improve warnings for
7158 traditional C and indented directives.
7160 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
7161 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
7162 fixinc/inclhack.def: Indent the # of #include_next one space.
7163 * cp/rtti.c: Un-indent #if and #endif.
7165 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
7166 syntax error, but an error has already been printed.
7167 * cpplex.c (_cpp_parse_assertion): Give a more specific error
7168 message when called with nothing remaining on the line.
7169 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
7170 OTHER token, not an ASSERTION.
7171 * cpplib.c (do_assert): When we create a 'base' node, clear
7172 its aschain pointer.
7174 2000-04-02 Neil Booth <NeilB@earthling.net>
7176 * cppexp.c: New typedef op_t. struct operation and struct
7177 token updated to use it.
7178 (op_to_str): New function.
7179 (_cpp_parse_expr): Error messages modified to use op_to_str.
7181 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7183 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
7184 before checking MUST_PASS_IN_STACK.
7186 2000-04-02 Neil Booth <NeilB@earthling.net>
7188 * cppexp.c: New FINISHED dummy token. Combine operator initial
7189 flags and initial priority into a single constant. New
7190 EQUALITY macro. New operator flag SHORT_CIRCUIT.
7191 (_parse_cpp_expr): Implement new constants. Take left operand
7192 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
7193 parse indicated by reducing FINISHED token. Remove new lines
7194 from cpp_error messages.
7196 2000-04-01 Mark Mitchell <mark@codesourcery.com>
7198 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
7199 permanent obstack.
7201 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
7203 * cpplib.c: Include symcat.h. Add 'origin' field to struct
7204 directive. Add origin values to DIRECTIVE_TABLE. Generate
7205 the strings and function names on the fly. Take the #sccs
7206 entry out of the table if SCCS_DIRECTIVE is not defined.
7207 (_cpp_handle_directive): Decide if the # was at the beginning
7208 of the line here. Issue -pedantic warnings for extended
7209 directives here. Warn about K+R directives with the #
7210 indented, and C89/extended directives with the # not indented,
7211 here.
7212 (do_import, do_include_next, do_warning, do_ident, do_sccs,
7213 do_assert, do_unassert): Don't issue pedantic warning here.
7215 * cpphash.h: Add CPP_WTRADITIONAL macro.
7216 * cpplib.h (struct cpp_options): Rename warn_stringify to
7217 warn_traditional; update comments.
7218 * cppinit.c (handle_option): Set warn_traditional not
7219 warn_stringify.
7220 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
7221 CPP_WTRADITIONAL (pfile).
7222 * cpplex.c (_cpp_lex_token): Don't decide if directives should
7223 be ignored in -traditional mode here.
7225 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
7226 to initialize speccase[] and trigraph_map[]. Delete all
7227 references to pfile->input_speccase. Always treat '?' as a
7228 special character. Remove table-initialization code from
7229 _cpp_init_input_buffer.
7231 * cpplib.h (struct cpp_reader): Remove input_speccase field.
7232 * cppinit.c (cpp_cleanup): Don't free input_speccase.
7234 2000-04-01 Richard Henderson <rth@cygnus.com>
7236 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
7237 (mostlyclean): Likewise.
7239 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
7240 (struct dump_file_info, enum dump_file_index, dump_file): New.
7241 (open_dump_file): Take a dump_file_index not a suffix, and a decl
7242 not a string. Clean out file if we havn't yet done so. Do nothing
7243 if the dump isn't enabled.
7244 (close_dump_file): Do nothing if the dump isn't open. Dump
7245 graph data if requested.
7246 (dump_rtl, clean_dump_file): Remove.
7247 (compile_file): Don't clean the dump files. Only finalize .bp dump
7248 if flag_test_coverage or flag_branch_probabilities. Only finalize
7249 .combine dump if optimizing. Iterate over dump_file to finalize the
7250 graph dumps.
7251 (rest_of_compilation): Update for open_dump_file/close_dump_file.
7252 Convert all uses of dump_rtl.
7253 (decode_d_option): Iterate over dump_file to implement 'a' and to
7254 locate pass-specific dumps.
7256 2000-04-01 Neil Booth <NeilB@earthling.net>
7258 * cppexp.c: Redefine priority constants.
7259 (_cpp_parse_expr): Replace left and right priority scheme with
7260 single priority logic. Move LOGICAL to same place as COMPARE.
7261 Remove bogus check for multiple unary +/- operators.
7263 2000-04-01 Neil Booth <NeilB@earthling.net>
7265 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
7266 within the switch statement. Binary operations break out of
7267 the switch naturally. '(' tokens handled by forcing
7268 immediate shift. ')' handled by forcing immediate reduce to
7269 the previous '('. New error messages.
7271 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7273 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7274 part', it's already in use. Use %K instead. Add a return at the
7275 end of what is now %K.
7276 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7278 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7280 * builtins.c (expand_builtin_apply): Pass proper parameters to
7281 allocate_dynamic_stack_space.
7282 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7283 update stack_pointer_delta; do not update arg_size_so_far.
7284 (compute_argument_block_size): Use stack_delta instead of
7285 stack_pointer_pending and arg_size_so_far.
7286 (expand_call): Add sanity checking for stack_pointer_delta;
7287 save and restore stack_pointer_delta for SIB, use
7288 stack_pointer_delta for alignment; do not update arg_space_so_far.
7289 (emit_library_call_value): Use stack_pointer_delta for alignment.
7290 (store_one_arg): Do not update arg_space_so_far.
7291 * explow.c (adjust_stack, anti_adjust_stack): Update
7292 stack_pointer_delta.
7293 (allocate_dynamic_stack_space): Add sanity checking for
7294 stack_pointer_delta.
7295 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7296 stack_pointer_delta.
7297 (emit_push_insn): Update stack_pointer_delta.
7298 * function.h (struct expr_status): Add x_stack_pointer_delta;
7299 remove x_arg_space_so_far.
7300 (arg_space_so_far): Remove.
7301 (stack_pointer_delta): New macro.
7303 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7305 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7306 Reorder struct cpp_options and struct cpp_reader for better
7307 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7308 takes two args. Change all 'char' flags to 'unsigned char'.
7309 Move show_column flag into struct cpp_options. Don't
7310 prototype cpp_options_init.
7311 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7312 cppinit.c, cpplex.c, cpplib.c:
7313 Replace CPP_OPTIONS (pfile)->whatever with
7314 CPP_OPTION (pfile, whatever), and likewise for
7315 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7317 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7318 Extract CPP_OPTION (pfile, pending) and work with that
7319 directly.
7320 (cpp_options_init): Delete.
7321 (cpp_reader_init): Turn on on-by-default options here.
7322 Allocate the pending structure here.
7323 (cl_options, enum opt_code): Define these from the same table,
7324 kept in a large macro. Add -fshow-column and -fno-show-column
7325 options.
7327 * cpperror.c (v_message): If show_column is off, don't print
7328 the column number.
7330 * cppmain.c: Update for new interface.
7331 * fix-header.c: Likewise.
7333 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7335 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7336 definition.
7337 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7338 are passed to any invocation of AR_FOR_TARGET.
7339 (AR_CREATE_FOR_TARGET): New macro.
7340 (AR_EXTRACT_FOR_TARGET): New macro.
7341 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7342 AR_EXTRACT_FOR_TARGET.
7343 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7344 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7345 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7346 AR_EXTRACT_FOR_TARGET to sub-makes.
7348 2000-03-31 Neil Booth <NeilB@earthling.net>
7350 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7351 PAREN_INNER_PRIO.
7352 (_cpp_parse_expr): Check for multiple unary +/- operators.
7353 Correct priorities of ':' and '?'. Treat ')' as having a
7354 value. Ensure conditional expression is not void.
7356 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7358 * alias.c (canon_rtx): Make it global.
7359 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7360 equality.
7361 * cse.c (struct table_elt): Add canon_exp.
7362 (insert): Clear it.
7363 (invalidate): Canonicalize expressions only once.
7364 * rtl.h (canon_rtx): Declare.
7366 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7368 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7369 * alias.c (reg_known_value): Add comments.
7370 (init_alias_analysis): Likewise.
7371 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7372 address.
7373 (cse_basic_block): Fix typo in comment.
7374 * emit-rtl.c: Include hashtab.h.
7375 (const_int_htab): New variable.
7376 (const_int_htab_hash): New function.
7377 (const_int_htab_eq): Likewise.
7378 (rtx_htab_mark_1): Likewise.
7379 (rtx_htab_mark): Likewise.
7380 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7381 (unshare_all_rtx): Fix formatting.
7382 (init_emit_once): Initialize const_int_htab.
7383 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7384 address.
7385 * rtl.texi: Document the fact that all CONST_INTs with the same
7386 value are shared.
7388 2000-03-30 Richard Henderson <rth@cygnus.com>
7390 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7392 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7394 * configure.in: Comment out --enable-c-cpplib stanza.
7395 * configure: Regenerate.
7397 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7399 * expr.c (store_constructor): Properly compute displacement and
7400 alignment when offset is variable.
7402 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7403 cases of alignment in bytes.
7405 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7407 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7408 since it is used to generate c-parse.y.
7409 * objc-parse.c, objc-parse.y: Regenerated.
7411 * function.c (expand_function_end): Pass alignment argument to
7412 emit_block_move in bits, not bytes.
7414 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7416 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7417 correction.
7419 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7421 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7422 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7423 * function.c (assign_parms): Likewise.
7424 * integrate.c (expand_inline_function): Likewise.
7425 * stmt.c (expand_decl): Likewise.
7426 (copy_rtx_and_substitute): Likewise.
7427 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7428 (clear_by_pieces): Fix error in last change.
7429 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7430 * function.h (regno_pointer_align): Now unsigned.
7431 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7432 is in bits.
7433 * config/i386/i386.c (aligned_operand): Likewise.
7434 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7435 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7436 (unaligned_memory_operand): Likewise.
7437 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7438 Also make alignments and sizes unsigned and some whitespace cleanup.
7439 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7441 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7442 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7443 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7444 (expand_builtin_memset): Likewise, but to clear_storage.
7445 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7446 (restore_fixed_argument_area): Likewise.
7447 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7448 (load_register_parameters): Likewise, to emit_group_load.
7449 (expand_call): Likewise, to emit_group_store and emit_block_move.
7450 (emit_library_call_value_1): Likewise, to emit_block_move.
7451 (store_one_arg): Likewise, and to emit_push_insn.
7452 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7453 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7454 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7455 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7456 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7457 (expand_assigment, store_expr, store_constructor_field): Likewise.
7458 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7459 (store_constructor, store_field, get_inner_reference): Likewise.
7460 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7461 (expand_expr, case COMPONENT_REF): Likewise.
7462 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7463 and positions; reindent code.
7464 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7465 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7466 (assign_parms): Likewise to emit_group_store.
7467 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7468 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7469 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7470 (expand_return): Likewise to {extract,store}_bit_field.
7471 * stor-layout.c (get_mode_alignment): Minor cleanup.
7472 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7473 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7475 2000-03-29 Nick Clifton <nickc@cygnus.com>
7477 * config/arm/arm.h: Undo effects of previous delta:
7478 (ASM_SPEC): Do not define.
7479 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7481 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7482 typo.
7484 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7486 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7487 only after reading in the primary source file.
7489 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7491 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7492 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7493 or a reference to a va_list.
7494 * builtins.c (stabilize_va_list): Simplify now we don't have to
7495 work around C array address decay.
7496 * c-typeck.c (convert_for_assignment): Handle assignment to
7497 a reference parameter by taking the address of the RHS.
7498 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7499 (va_copy): Likewise.
7500 (__va_copy): Likewise.
7501 * ginclude/varargs.h (va_start): Likewise.
7502 (__va_copy): Likewise.
7504 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7506 * i386/djgpp.h: Remove extraneous "+".
7508 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7510 * calls.c (expand_call): Fix typo in last change.
7512 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7514 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7515 been expanded.
7517 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7519 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7520 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7521 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7522 * tree.c (bit_position, byte_position): Likewise.
7523 * tree.h: Declare new functions.
7525 2000-03-29 Nick Clifton <nickc@cygnus.com>
7527 * config/arm/arm.c: Minor formatting changes/
7528 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7529 already defined.
7530 (ASM_SPEC): Define if not already defined.
7532 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7534 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7535 _cpp_calc_hash.
7537 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7539 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7540 value, don't output it as unsigned.
7542 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7544 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7546 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7548 * c-common.c (c_common_nodes_and_builtins): Don't special case
7549 cplus_mode when declaring builtin bzero/bcmp, always avoid
7550 prototype arguments.
7552 2000-03-29 Bruce Korb <bkorb@gnu.org>
7554 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7555 to a non-file
7557 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7559 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7560 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7561 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7562 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7563 (save_fixed_argument_area, restore_fixed_argument_area):
7564 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7565 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7566 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7567 (precompute_register_parameters): Avoid #ifdefs on
7568 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7569 (stire_one_args): Likewise.
7570 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7571 (emit_library_call_value_1): Likewise.
7572 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7573 ACCUMULATE_OUTGOING_ARGS.
7574 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7575 value.
7576 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7577 (use_crosses_set_p): Likewise.
7578 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7579 #define ACCUMULATE_OUTGOING_ARGS 1.
7580 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7581 frames.
7582 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7583 constants.
7584 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7585 (TARGET_SWITCHES): Add push-args, no-push-args,
7586 accumulate-outgoing-args and no-accumulate-outgoing-args.
7587 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7588 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7589 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7590 and PUSH_ROUNDING.
7591 (emit_push_insn): Likewise.
7592 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7593 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7594 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7595 (STACK_DYNAMIC_OFFSET): Define correctly for both
7596 ACCUMULATE_OUTGOING_ARGS and normal mode.
7597 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7598 * tm.texi (PUSH_ARGS): Document.
7599 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7601 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7603 * flags.h (flag_optimize_sibling_calls): Declare.
7604 * calls.c (expand_call): Fail sibcall when
7605 !flag_optimize_sibling_calls
7606 * invoke.texi (flag_optimize_sibling_calls): Document.
7607 * toplev.c (flag_optimize_sibling_calls): New global variable.
7608 (f_options): Add flag_optimize_sibling_calls.
7609 (rest_of_compilation): Conditionize
7610 optimize_sibling_and_tail_recursive_calls by
7611 flag_optimize_sibling_calls.
7612 (main): Set flag_optimize_sibling_calls for -O2.
7613 * stmt.c (expand_return): Conditionize tail recursion by
7614 flag_optimize_sibling_calls.
7616 2000-03-29 Richard Henderson <rth@cygnus.com>
7618 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7619 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7621 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7623 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7625 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7627 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7628 is given.
7629 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7630 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7631 * config/rs6000/aix.h: then modified likewise.
7633 2000-03-28 Richard Henderson <rth@cygnus.com>
7635 * rtl.h: Redistribute enum reg_note documentation.
7636 Kill trailing whitespace.
7637 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7638 Kill trailing whitespace.
7640 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7642 * cppfiles.c (hash_IHASH): Just return i->hash.
7643 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7644 htab_find_with_hash.
7645 (cpp_read_file): Likewise.
7646 (find_include_file): Likewise. Properly initialize
7647 ih->nshort. Share ih->name and ih->nshort if possible.
7648 * cpphash.c (_cpp_calc_hash): New function.
7649 (hash_HASHNODE): Just return h->hash.
7650 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7651 htab_find_with_hash.
7652 * cpphash.h: Prototype _cpp_calc_hash.
7653 * cppinit.c (initialize_builtins): Provide a valid hash
7654 to _cpp_make_hashnode, using _cpp_calc_hash.
7656 * cpphash.c (collect_expansion): # is not a special character
7657 in object-like macros. In -traditional mode, /**/ is not
7658 token paste at the beginning or end of the line.
7659 * cpplib.c (do_include, do_import, do_include_next): If
7660 parse_include fails, return immediately.
7662 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7664 * config/arm/arm.md (return peepholes): Update to reflect the new
7665 call insn patterns.
7666 * config/arm/arm.c (arm_volatile_func): Also check
7667 current_function_nothrow.
7668 (output_return_instruction, output_func_prologue): Use it.
7669 (arm_output_epilogue, arm_expand_prologue): Likewise.
7671 2000-03-27 Tom Tromey <tromey@cygnus.com>
7673 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7674 switch is found.
7676 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7678 * expr.c (store_constructor): SIZE now signed.
7679 For EXPR_SIZE, don't evaluate size; just needed if constant.
7680 * fold-const.c (fold): Fix a number of cases when folded tree is
7681 wrong type.
7682 * function.c (flush_addressof): Reenable.
7683 * tree.h (flush_addressof): Likewise.
7684 * toplev.c (independent_decode_option): Look at strings_processed.
7685 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7687 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7689 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7690 Allow stack adjustment after function call.
7692 * regmove.c (struct csa_memlist): Make mem field rtx *.
7693 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7694 (try_apply_stack_adjustment): Replace whole MEM rtx.
7695 (combine_stack_adjustments_for_block): Update calls
7696 to record_one_stack_ref.
7698 2000-03-28 Neil Booth <NeilB@earthling.net>
7700 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7701 '\\' rather than a null character, so nulls are not special. Fix
7702 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7703 speed trigraph conversion.
7704 (_cpp_init_input_buffer): Initialize trigraph map.
7706 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7708 * config/i386/i386.c (output_387_binary_op): Correct intel
7709 mode assembly output, and add spaces after commas in AT&T
7710 output. Correct Unixware assembler comment. Document input
7711 constraints. Comment fp operations. Reduce profligate buffer
7712 size. Remove extraneous abort. Localize temp var.
7713 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7714 (output_fix_trunc): Add spaces after commas in assembly output.
7716 2000-03-27 Richard Henderson <rth@cygnus.com>
7718 * i386-protos.h (ix86_match_ccmode): Declare.
7719 * i386.c (ix86_match_ccmode): New.
7720 (ix86_expand_fp_compare): Update for pattern renames.
7721 (ix86_expand_strlensi_unroll_1): Likewise.
7722 * i386.h (EXTRA_CC_MODES): Add CCZ.
7723 (SELECT_CC_MODE): Use it for EQ/NE zero.
7724 * i386.md (cmpsi_ccz_1): New.
7725 (cmpqi_ccz_1): New.
7726 (*testsi_ccz_1): New.
7727 (testqi_ccz_1): New.
7728 (cmpsi_ccno_1): Rename from cmpsi_0.
7729 (testsi_ccno_1): Rename from testsi_1.
7730 (testqi_ccno_1): Rename from testqi_1.
7731 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7732 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7733 (*cmphi_0): Use ix86_match_ccmode.
7734 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7735 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7736 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7737 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7738 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7739 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7740 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7741 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7742 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7743 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7744 (appropriate peepholes): Likewise.
7745 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7746 (*subsi_3, *subhi_3, *subqi_3): Remove.
7747 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7748 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7749 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7750 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7751 (x86_shift_adj_1): Use CCZ.
7752 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7754 2000-03-27 Stan Cox <scox@cygnus.com>
7756 * resource.h (mark_resource_type): New.
7757 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7758 find_free_register): Use mark_resource_type.
7759 (mark_set_resources): Change include_delayed_effects
7760 to mark_resource_type.
7761 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7762 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7763 Use mark_resource_type.
7765 2000-03-27 Richard Henderson <rth@cygnus.com>
7767 * i386.md (call_pop_0, call_value_pop_0): New.
7768 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7769 (call_value_pop_1): Likewise.
7770 (call_0, call_value_0): New.
7771 (call_1, call_value_1): Remove constraint from unused arg.
7773 2000-03-27 Nick Clifton <nickc@cygnus.com>
7775 * invoke.texi (Spec Files): Document new spec % command created by
7776 Tom Tromey's recent patch.
7778 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7780 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7781 if not defined.
7783 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7785 * expr.c (expand_assignment): Fix typo in last change.
7787 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7789 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7791 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7792 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7793 and DECL_INLINE if FUNCTION_DECL.
7794 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7795 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7796 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7797 (combine_parm_decls): Likewise.
7798 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7799 * print-tree.c (print_node): Likewise.
7800 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7801 DECL_TRANSPARENT_UNION on proper decl types.
7802 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7803 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7804 DECL_BIT_FIELD of FIELD_DECL.
7805 * tree.h (DECL_RESULT_FLD): New macro.
7807 * expr.c (expand_assignment): Add code to handle variable-sized
7808 BLKmode case.
7810 2000-03-26 Richard Henderson <rth@cygnus.com>
7812 * calls.c (expand_call): Pass parms not original exp to
7813 optimize_tail_recursion. Mind return value instead of looking
7814 for a barrier.
7815 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7816 call_expr. Move checks for call_expr and current_function_decl ...
7817 (expand_return): ... here.
7819 2000-03-26 Tom Tromey <tromey@cygnus.com>
7821 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7822 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7823 defines.
7824 (process_command): Use them.
7825 (check_live_switch): Likewise.
7826 (give_switch): Skip ignored switches.
7828 2000-03-26 Jan Hubicka <jh@suse.cz>
7830 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7831 for minimal jump pass test.
7833 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7835 * integrate.c (function_cannot_inline_p): Do inline functions that
7836 return `void'.
7838 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7840 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7841 now a list of TREE_LIST entries, not types.
7842 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7844 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7845 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7846 int_bit_position.
7847 * config/mips/mips.c (function_arg): Likewise; also remove cast
7848 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7849 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7850 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7851 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7852 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7853 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7854 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7855 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7856 num_adjusts now unsigned.
7857 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7858 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7859 NREGS now unsigned.
7860 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7861 as is BITPOS variable; use host_integerp and int_bit_position.
7862 (function_arg_record_value_2): Likewise.
7863 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7864 Variable REGNO now unsigned.
7865 (function_arg_record_value): NREGS now unsigned.
7867 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7869 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7871 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7873 * Rework fields used to describe positions of bitfields and
7874 modify sizes to be unsigned and use HOST_WIDE_INT.
7875 * alias.c (reg_known_value_size): Now unsigned.
7876 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7877 (really_start_incremental_init): Use bitsize_zero_node.
7878 (push_init_level, pop_init_level, output_init_element): Likewise.
7879 Use bitsize_unit_node and bitsize_one_node.
7880 (output_pending_init_elements, process_init_element): Likewise.
7881 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7882 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7883 HOST_WIDE_INT, respectively.
7884 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7885 (num_sign_bit_copies): Returns unsigned.
7886 BITWIDTH now unsigned; rework arithmetic.
7887 Remove recursive call from arg to MAX.
7888 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7889 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7890 REGNO now unsigned.
7891 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7892 (find_split_point, expand_compound_operation, make_extraction): LEN
7893 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7894 (make_field_assignment): Likewise.
7895 (combine_simplify_rtx): Add cast.
7896 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7897 (force_to_mode): WIDTH now unsigned; add cast.
7898 (if_then_else_cond): SIZE now unsigned.
7899 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7900 (extended_count): Now returns unsigned.
7901 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7902 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7903 (simplify_comparison): MODE_WIDTH now unsigned.
7904 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7905 (mark_used_regs_combine): Likewise; rework arithmetic.
7906 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7907 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7908 (record_promoted_value): REGNO now unsigned.
7909 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7910 (get_last_value): REGNO now unsigned.
7911 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7912 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7913 (remove_death): Arg REGNO now unsigned.
7914 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7915 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7916 now unsigned.
7917 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7918 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7919 (struct cse_reg_info): REGNO now unsigned.
7920 (cached_regno): Now unsigned.
7921 (REGNO_QTY_VALID_P): Add cast.
7922 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7923 (remove_invalid_regs): Likewise.
7924 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7925 as are variables END and I.
7926 (get_cse_reg_info, insert): Likewise.
7927 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7928 (canon_hash): Likewise.
7929 (insert_regs, lookup_for_remove): REGNO now unsigned.
7930 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7931 New variable RN.
7932 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7933 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7934 * emit-rtl.c (subreg_realpart_p): Add cast.
7935 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7936 (operand_subword_force): Arg I is now unsigned.
7937 * except.c (eh_regs): Variable I is now unsigned.
7938 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7939 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7940 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7941 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7942 (extract_split_bit_field, store_bit_field, extract_bit_field):
7943 Likewise.
7944 * expr.c (store_constructor_fields, store_constructor, store_field):
7945 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7946 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7947 (do_jump): Likewise.
7948 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7949 MAX_SIZE is now unsigned.
7950 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7951 (emit_group_store): Likewise.
7952 (emit_move_insn): I now unsigned.
7953 (store_constructor): Use host_integerp, tree_low_cst, and
7954 bitsize_unit_node.
7955 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7956 Rework all calculations to use trees and new fields.
7957 * expr.h (promoted_input_arg): Regno now unsigned.
7958 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7959 (mark_seen_cases): Arg is HOST_WIDE_INT.
7960 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7961 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7962 precisions and alignments are unsigned.
7963 (optimize_bit_field_compare, fold_truthop): Likewise.
7964 (int_const_binop): Adjust threshold for size_int_type_wide call.
7965 (fold_convert): Likewise.
7966 (size_int_type_wide): Make table larger and fix thinko that only
7967 had half of table used.
7968 (all_ones_mask_p, fold): Precisions are unsigned.
7969 * function.c (put_reg_info_stack): REGNO is unsigned.
7970 (instantiate_decl): Size is HOST_WIDE_INT.
7971 (instantiate_virtual_regs): I is unsigned.
7972 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7973 (promoted_input_arg): REGNO is unsigned.
7974 * function.h (struct function): x_max_parm_reg is now unsigned.
7975 * gcse.c (max_gcse_regno): Now unsigned.
7976 (struct null_pointer_info): min_reg and max_reg now unsigned.
7977 (lookup_set, next_set): REGNO arg now unsigned.
7978 (compute_hash_table): REGNO and I now unsigned.
7979 (handle_avail_expr): regnum_for_replacing now unsigned.
7980 (cprop_insn): REGNO now unsigned.
7981 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7982 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7983 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7984 * hard-reg-set.h (reg_class_size): Now unsigned.
7985 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7986 * jump.c (mark_modified_reg): I now unsigned; add cast.
7987 (rtx_equal_for_thread_p): Add cast.
7988 * loop.c (max_reg_before_loop): Now unsigned.
7989 (struct_movable): REGNO now unsigned.
7990 (try_copy_prop): REGNO arg unsigned.
7991 (regs_match_p): XN and YN now unsigned.
7992 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7993 (strength_reduce): Likewise; NREGS also unsigned.
7994 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7995 * loop.h (struct iv_class): REGNO now unsigned.
7996 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7997 Now unsigned.
7998 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7999 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
8000 * optabs.c (expand_binop): I and NWORDS now unsigned.
8001 (expand_unop): I now unsigned.
8002 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
8003 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
8004 * real.c (significand_size): Now returns unsigned.
8005 * real.h (significand_size): Likewise.
8006 * regclass.c (reg_class_size): Now unsigned.
8007 (choose_hard_reg_mode): Both operands now unsigned.
8008 (record_reg_classes): REGNO and NR now unsigned.
8009 (reg_scan): NREGS now unsigned.
8010 (reg_scan_update): old_max_regno now unsigned.
8011 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
8012 * reload.c (find_valid_class): BEST_SIZE now unsigned.
8013 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
8014 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
8015 Likewise for variable R.
8016 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
8017 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
8018 (find_equiv_reg): Add casts.
8019 (regno_clobbered_p): Arg REGNO now unsigned.
8020 * reload.h (struct reload): NREGS now unsigned.
8021 (refers_to_regno_for_reload_p): Regno args are unsigned.
8022 (regno_clobbered_p): Likewise.
8023 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
8024 (compute_use_by_pseudos): REGNO now unsigned.
8025 (find_reg): I and J now unsigned, new variable K, and change loop
8026 variables accordingly; THIS_NREGS now unsigned.
8027 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
8028 (spill_hard_reg): REGNO arg now unsigned; add casts.
8029 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
8030 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
8031 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
8032 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
8033 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
8034 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
8035 (emit_reload_insns): REGNO now unsigned.
8036 (reload_cse_move2add): Add cast.
8037 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
8038 and rework loop.
8039 * resource.c (mark_referenced_resources, mark_set_resources): New
8040 variable R; REGNO and LAST_REGNO now unsigned.
8041 (mark_target_live_regs): J and REGNO now unsigned.
8042 * rtl.c (mode_size, mode_unit_size): Now unsigned.
8043 * rtl.h (union rtunion_def): New field rtuint.
8044 (XCUINT): New macro.
8045 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
8046 (operand_subword, operand_subword_force): Word number is unsigned.
8047 (choose_hard_reg_mode): Operands are unsigned.
8048 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
8049 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
8050 (regno_use_in, combine_instructions, remove_death): Likewise.
8051 (reg_scan, reg_scan_update): Likewise.
8052 (extended_count): Return is unsigned.
8053 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
8054 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
8055 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
8056 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
8057 (reg_reg_last_1): FIRS and LAST now unsigned.
8058 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
8059 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
8060 now unsigned.
8061 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
8062 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
8063 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
8064 (replace_regs): Arg NREGS now unsigned.
8065 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
8066 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
8067 (simplify_binary_operation): Likewise.
8068 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
8069 THIS_LAST now unsigned.
8070 (cselib_record_set): Add cast.
8071 * ssa.c (ssa_max_reg_num): Now unsigned.
8072 (rename_block): REGNO now unsigned.
8073 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
8074 sizes now unsigned.
8075 (all_cases_count): Just return -1 not -2.
8076 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
8077 Rework tests to use trees whenever possible.
8078 Use host_integerp and tree_low_cst.
8079 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
8080 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
8081 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
8082 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
8083 (smallest_mode_for_size): Likewise.
8084 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
8085 KNOWN_ALIGN is now an alignment, so simplify code.
8086 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
8087 (start_record_layout): Renamed from new_record_layout_info.
8088 Update to new fields.
8089 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
8090 New functions.
8091 (place_union_field): Renamed from layout_union_field.
8092 Update to use new fields in rli.
8093 (place_field): Renamed from layout_field.
8094 Major rewrite to use new fields in rli; pass alignment to layout_decl.
8095 (finalize_record_size): Rework to use new fields in rli and handle
8096 union.
8097 (compute_record_mode): Rework to simplify and to use new DECL fields.
8098 (finalize_type_size): Make rounding more consistent.
8099 (finish_union_layout): Deleted.
8100 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
8101 (layout_type, case RECORD_TYPE): Call new function names.
8102 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
8103 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
8104 (get_best_mode): UNIT is now unsigned; remove casts.
8105 * tree.c (bit_position): Compute from new fields.
8106 (byte_position, int_byte_position): New functions.
8107 (print_type_hash_statistics): Cast to remove warning.
8108 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
8109 (build_index_type): Likewise; make subtype of sizetype.
8110 (build_index_2_type): Pass sizetype to build_range_type.
8111 (build_common_tree_nodes): Use size_int and bitsize_int to
8112 initialize nodes; add bitsize_{zero,one,unit}_node.
8113 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
8114 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
8115 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
8116 (DECL_FIELD_BITPOS): Deleted.
8117 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
8118 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
8119 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
8120 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
8121 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
8122 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
8123 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
8124 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
8125 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
8126 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
8127 (DECL_ALIGN): Adjust to new field in union.
8128 (DECL_OFFSET_ALIGN): New field.
8129 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
8130 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
8131 (union tree_decl): Add struct for both aligns.
8132 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
8133 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
8134 (struct record_layout_info): Rework fields to have offset
8135 alignment and byte and bit position.
8136 (start_record_layout, place_field): Renamed from old names.
8137 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
8138 (byte_position, int_byte_position): Likewise.
8139 (get_inner_reference): Change types of position and length.
8140 * unroll.c (unroll_loop): New variable R; use for some loops.
8141 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
8142 (calculate_giv_inc): Arg REGNO now unsigned.
8143 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
8144 * varasm.c (assemble_variable): Clean up handling of size using
8145 host_integerp and tree_low_cst.
8146 (decode_addr_const): Use byte, not bit, position.
8147 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
8148 use tree_low_cst and int_bit_position.
8149 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
8151 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
8153 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
8154 (reorder_block_def): New members eff_head and eff_end.
8155 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
8156 (verify_insn_chain): New function.
8157 (skip_insns_between_block): Add code to skip deleted insns.
8158 Check for note before using.
8159 (chain_reorder_blocks): Replace calls to skip_insns_between_block
8160 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
8161 Check for note before using.
8162 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
8163 (fixup_reorder_chain): Restructure, clean up, defect removal.
8164 (reorder_basic_blocks): Remove last_insn and references to it.
8165 Moved insn chain verification code into a new function (see above).
8166 Delete defective code that sets last insn.
8167 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
8168 all blocks.
8170 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8172 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
8174 2000-03-24 Richard Henderson <rth@cygnus.com>
8176 * tree.c (lang_safe_for_unsave): Remove.
8177 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
8178 allowing for two levels of unsafeness. Remove lang hook.
8179 * tree.h: Update declarations.
8180 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
8181 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
8182 Always fail sibcalls when there are pending cleanups.
8184 2000-03-24 Geoff Keating <geoffk@cygnus.com>
8186 * flow.c (propagate_block): When we delete an ADDR_VEC,
8187 also delete the BARRIER following it if there is one.
8189 2000-03-24 Richard Henderson <rth@cygnus.com>
8191 * builtins.c (expand_builtin_bzero): Convert `length' argument
8192 to sizetype.
8194 2000-03-24 Jakub Jelinek <jakub@redhat.com>
8196 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
8197 comparison if regno's are equal.
8198 * calls.c (initialize_argument_informat): Add ecf_flags argument.
8199 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8200 (expand_call): Update caller.
8201 Avoid making a sibling call if argument size of the callee is larger
8202 than argument size of the caller.
8203 Call hard_function_value with outgoing set if in sibcall pass.
8204 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
8206 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
8207 Change LEAF_REGISTERS from an array initializer to actual array
8208 identifier. Move static global variable into the function.
8209 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
8210 sequences for leaf functions.
8211 * global.c (global_alloc): Likewise.
8212 * tm.texi (LEAF_REGISTERS): Update documentation.
8214 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
8215 TARGET_FLAT leaf disabling hack.
8216 (LEAF_REGISTERS): Changed from an array initializer to actual array
8217 identifier to avoid duplication and remove the above hack.
8218 (FUNCTION_OK_FOR_SIBCALL): Define.
8219 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
8220 always like call attribute.
8221 (eligible_for_sibcall_delay): New attribute.
8222 (sibcall): New delay type.
8223 (sibcall, sibcall_value, sibcall_epilogue): New expands.
8224 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
8225 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
8226 * config/sparc/sparc.c (sparc_leaf_regs): New array.
8227 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
8228 New functions.
8229 (output_function_epilogue): Move part of the code into
8230 output_restore_regs.
8231 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
8232 TYPE_SIBCALL.
8233 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
8234 prototypes.
8236 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
8237 until infrastructure is finished.
8239 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
8241 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
8242 (save_parm_insns): Not here.
8244 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8246 * builtins.c (expand_builtin_bzero): New function.
8247 (expand_builtin): Handle bzero.
8249 * builtins.def: Add BUILT_IN_BZERO.
8251 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8252 prototype & function for bzero.
8254 2000-03-23 Michael Meissner <meissner@redhat.com>
8256 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
8257 change adding TARGET_FP to the TF floating point insns, except for
8258 trunctfsf2, which generates direct calls to truncdfsf2.
8260 2000-03-23 Geoff Keating <geoffk@cygnus.com>
8262 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
8263 try to protect against middle-end changes that break binary
8264 compatibility.
8265 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
8267 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8269 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
8271 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8273 * calls.c (expand_call): If TARGET is passed by reference and
8274 is readonly, write a CLOBBER.
8276 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8278 * builtins.c (expand_builtin): Handle bcmp.
8280 * builtins.def: Add BUILT_IN_BCMP.
8282 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8283 prototype & function for bcmp.
8285 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8287 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8288 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8289 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8291 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8293 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8294 alternative when using -fp64 -gp32.
8296 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8298 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8299 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8300 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8302 * frame.h (frame_state): Revert last change.
8303 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8304 * libgcc2.c (throw_helper): Revert last change.
8306 2000-03-22 Richard Henderson <rth@cygnus.com>
8308 * stmt.c (expand_asm_operands): Don't promote the temporary.
8310 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8312 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8313 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8314 c_get_alias_set): Likewise.
8315 * c-decl.c (duplicate_decls): Likewise.
8316 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8317 * calls.c (initialize_argument_information): Likewise.
8318 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8319 Likewise.
8320 * dwarfout.c (decl_class_context,output_type): Likewise.
8321 * expr.c (get_inner_reference): Likewise.
8322 * fold-const.c (simple_operand_p,fold): Likewise.
8323 * function.c (aggregate_value_p): Likewise.
8324 * stmt.c (expand_asm_operands): Likewise.
8325 * varasm.c (named_section): Likewise.
8327 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8329 Implement dwarf2 exception handling for the ARM.
8330 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8331 (DWARF_FRAME_RETURN_COLUMN): Define.
8332 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8333 REG_FRAME_RELATED_EXPR note.
8334 (emit_sfm): Likewise.
8335 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8336 * dwarf2out.c (reg_save): Handle saving a register to itself.
8337 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8338 * except.c (eh_regs): Don't use the static chain reg if it's
8339 callee-saved.
8340 * frame.h (frame_state): Add cfa_saved field.
8341 * frame.c (execute_cfa_insn): Set it.
8342 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8343 the epilogue.
8344 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8345 Now takes a parm.
8346 (instantiate_virtual_regs): Adjust.
8347 * tm.texi: Adjust.
8348 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8349 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8350 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8352 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8353 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8355 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8357 * builtins.def: New file.
8359 * Makefile.in (TREE_H): Depend on builtins.def.
8361 * builtins.c (built_in_names): Use builtins.def.
8363 * tree.h (built_in_function): Likewise.
8365 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8367 * tree.c (size_in_bytes): Return size_zero_node, not
8368 integer_zero_node.
8370 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8372 * config/fp-bit.c (pack_d): Correct the case when a denormal
8373 is rounded up and stops being denormal.
8375 2000-03-21 Richard Henderson <rth@cygnus.com>
8377 * config/alpha/alpha.c (function_arg): Check for void_type_node
8378 before using MUST_PASS_IN_STACK.
8380 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8382 * regmove.c (combine_stack_adjustments_for_block): Check that
8383 the stack pointer is a valid memory address.
8385 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8387 * calls.c: re-install Mar 16 emit_library_call merge.
8389 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8391 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8392 we cannot be sure that if reload_completed base register will
8393 be properly aligned.
8395 2000-03-21 Richard Henderson <rth@cygnus.com>
8397 * flow.c (delete_block): Fix typo last change.
8399 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8401 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8402 not COMPLETE_TYPE_P, to check the type of the expression.
8404 2000-03-21 Michael Meissner <meissner@redhat.com>
8406 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8407 all floating point insns that just tested the macro
8408 TARGET_HAS_XFLOATING_LIBS.
8409 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8410 used to only use the gprs.
8412 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8414 * tree.h (COMPLETE_TYPE_P): New macro.
8415 (COMPLETE_OR_VOID_TYPE_P): New macro.
8416 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8417 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8418 * c-aux-info.c (gen_type): Use them.
8419 * c-common.c (c_expand_expr_stmt): Likewise.
8420 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8421 grokdeclarator, grokparms, finish_struct, start_function,
8422 store_parm_decls, combine_parm_decls): Likewise.
8423 * c-parse.y (cast_expr): Likewise.
8424 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8425 c_size_in_bytes, c_alignof, build_component_ref,
8426 build_indirect_ref, build_array_ref, convert_arguments,
8427 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8428 * calls.c (initialize_argument_information): Likewise.
8429 * convert.c (convert_to_integer): Likewise.
8430 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8431 * dwarfout.c (location_or_const_value_attribute,
8432 output_enumeration_type_die, output_structure_type_die,
8433 output_union_type_die, output_type): Likewise.
8434 * expr.c (safe_from_p, expand_expr): Likewise.
8435 * function.c (assign_parms): Likewise.
8436 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8437 * tree.c (build_array_type, build_function_type,
8438 build_method_type, build_offset_type, build_complex_type): Likewise.
8439 * c-parse.c, c-parse.h: Regenerated.
8441 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8443 * config/c4x/rtems.h: Include config/rtems.h.
8445 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8447 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8448 decl is a FUNCTION_DECL
8450 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8452 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8453 function uses output registers. Don't save RP for leaf functions.
8454 Do save RP even if no epilogue.
8455 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8456 (CALL_USED_REGISTERS): Unmark in registers.
8457 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8458 to near the middle.
8460 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8462 * config/rs6000/rs6000.md (bunordered): New expander.
8463 (bordered): New expander.
8464 (buneq): New expander.
8465 (bunge): New expander.
8466 (bungt): New expander.
8467 (bunle): New expander.
8468 (bunlt): New expander.
8469 (bltgt): New expander.
8471 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8472 (ccr_bit_negated_p): New function.
8473 (print_operand): For %C, generate appropriate cror for UNEQ,
8474 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8476 2000-03-20 Andreas Jaeger <aj@suse.de>
8478 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8479 warning.
8481 * tree.h (safe_for_unsave): Prototype.
8483 2000-03-20 Richard Henderson <rth@cygnus.com>
8485 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8486 (combine_stack_adjustments_for_block): Don't allow sp references
8487 in the side of a set we're not fixing up.
8488 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8489 after life_analysis.
8491 2000-03-20 Richard Henderson <rth@cygnus.com>
8493 * calls.c (expand_call): Don't bother generating tail call
8494 sequences if there are pending cleanups. Use
8495 expand_start_target_temps/expand_end_target_temps to elide
8496 cleanups created during sibcall expansion.
8498 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8500 * configure.in: Set $IFS to a value if it doesn't already have one
8501 in the --enable-checking handling.
8502 * configure: Regenerate.
8504 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8506 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8507 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8508 Regenerated.
8510 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8512 * jump.c (delete_noop_moves): Remove code attempting to
8513 combine stack adjustments.
8515 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8517 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8518 * except.c (emit_cleanup_handler): Use them.
8519 (expand_end_all_catch): Likewise.
8520 * function.c (fixup_var_refs): Likewise.
8521 (expand_function_end): Clear catch_clauses_last.
8522 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8523 * except.h (struct eh_status): New field x_catch_clauses_last.
8524 (catch_clauses_last): New define.
8526 * Makefile.in (tree.o): Depend on HASHTAB_H.
8527 * tree.c: Include hashtab.h.
8528 (struct type_hash): Remove next field.
8529 (TYPE_HASH_SIZE): Remove.
8530 (TYPE_HASH_INITIAL_SIZE): New define.
8531 (type_hash_table): Change type to htab_t.
8532 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8533 mark_hash_entry): New functions.
8534 (init_obstacks): Allocate type hash.
8535 (type_hash_lookup): Use htab functions.
8536 (type_hash_add, mark_type_hash): Likewise.
8537 (dump_tree_statistics): Call print_type_hash_statistics.
8539 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8541 * rs6000/t-aix41: New file.
8543 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8545 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8547 * tm.texi (Driver): Fix typos and tweak entry for
8548 INCLUDE_DEFAULTS.
8549 Move misplaced STRUCT_FORCE_BLK entry ...
8550 (Storage Layout): ... to here.
8551 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8553 2000-03-19 Richard Henderson <rth@cygnus.com>
8555 * flow.c (delete_block): Delete the addr_vec along with the block.
8556 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8557 reference labels.
8559 * fold-const.c (extract_muldiv): Apply type check for defined
8560 overflow to multiply as well as divide.
8562 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8564 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8566 * emit-rtl.c (remove_unncessary_notes): Check that all
8567 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8568 associated NOTE_BLOCK.
8569 * function.h (identify_blocks): Update comments.
8570 (reorder_blocks): Declare.
8571 * function.c (identify_blocks): Don't take paramters.
8572 (reorder_blocks): Don't take parameters.
8573 * loop.h (find_loop_tree_blocks): Remove.
8574 (unroll_block_trees): Likewise.
8575 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8576 reorder_blocks instead of unroll_block_trees.h
8577 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8578 * stmt.c (find_loop_tree_blocks): Remove.
8579 (unroll_block_trees): Likewise.
8580 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8581 in whole-function mode.
8582 * tree.h (reorder_blocks): Remove declaration.
8584 * expr.c: Include intl.h.
8585 * Makefile.in (expr.o): Depend on intl.h.
8587 2000-03-18 Richard Henderson <rth@cygnus.com>
8589 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8591 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8593 * tree.h (tree_index): Remove enumerals for integer types.
8594 (integer_type_kind): New type.
8595 (integer_types): New variable.
8596 (char_type_node): Adjust.
8597 (signed_char_type_node): Likewise.
8598 (unsigned_char_type_node): Likewise.
8599 (short_integer_type_node): Likewise.
8600 (short_unsigned_type_node): Likewise.
8601 (integer_type_node): Likewise.
8602 (unsigned_type_node): Likewise.
8603 (long_integer_type_node): Likewise.
8604 (long_unsigned_type_node): Likewise.
8605 (long_long_integer_type_node): Likewise.
8606 (long_long_unsigned_type_node): Likewise.
8607 * tree.c (integer_types): New variable.
8608 (init_obstacks): Register it as a root.
8610 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8612 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8613 NEXT_INSN. Update last insn in chain.
8615 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8617 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8618 with TYPE_DECL_SUPPRESS_DEBUG set.
8620 2000-03-18 Richard Henderson <rth@cygnus.com>
8622 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8624 2000-03-18 Richard Henderson <rth@cygnus.com>
8626 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8627 care for HALF_PIC_P.
8628 (expander_call_insn_operand): Remove.
8629 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8630 * i386.h (PREDICATE_CODES): Update.
8631 * i386.md (all call expanders): Remove predicates, remove special
8632 handling for half-pic.
8633 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8634 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8635 (sibcall_epilogue): New.
8637 2000-03-17 Richard Henderson <rth@cygnus.com>
8639 * rtlanal.c (single_set): Reject if the parallel has anything
8640 except SET or USE or CLOBBER.
8642 2000-03-17 Jeff Law <law@cygnus.com>
8643 Richard Henderson <rth@cygnus.com>
8645 * Makefile.in (OBJS): Add sibcall.o.
8646 (sibcall.o): New.
8647 * sibcall.c: New file.
8648 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8649 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8650 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8651 Emit sibcall patterns when requested. Update all callers.
8652 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8653 elimination seems feasable.
8654 * final.c (leaf_function_p): Sibling calls don't discount being
8655 a leaf function.
8656 * flow.c (HAVE_sibcall_epilogue): Provide default.
8657 (find_basic_blocks_1): Sibling calls don't throw.
8658 (make_edges): Make edge from sibling call to EXIT.
8659 (propagate_block): Don't remove sibcall_epilogue insns.
8660 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8661 (sibcall_epilogue): New.
8662 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8663 (identify_blocks_1): Likewise. Break out from ...
8664 (identify_blocks): ... here.
8665 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8666 (reorder_blocks): ... here.
8667 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8668 (record_insns): Extend a varray instead of mallocing new memory.
8669 (contains): Read a varray not array of ints.
8670 (sibcall_epilogue_contains): New.
8671 (thread_prologue_and_epilogue_insns): Emit and record
8672 sibcall_epilogue patterns.
8673 (init_function_once): Allocate prologue/epilogue varrays.
8674 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8675 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8676 Broken out from ...
8677 (save_for_inline_nocopy): ... here.
8678 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8679 Broken out from ...
8680 (expand_inline_function): ... here.
8681 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8682 (subst_constants): Handle 'n' formats.
8683 * jump.c (jump_optimize_minimal): New.
8684 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8685 optimizations if it's set.
8686 * rtl.c (copy_rtx): Do copy jump & call for insns.
8687 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8688 (SIBLING_CALL_P): New.
8689 (sibcall_use_t): New.
8690 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8691 Invoke optimize_sibling_and_tail_recursive_calls.
8692 * tree.c (lang_safe_for_unsave): New.
8693 (safe_for_unsave): New.
8694 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8696 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8697 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8698 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8700 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8702 * objc/objc-act.c (encode_method_prototype): Pass types, not
8703 PARM_DECLs, to int_size_in_bytes.
8705 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8707 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8709 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8710 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8712 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8714 * Clean up usages of TREE_INT_CST_LOW.
8715 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8716 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8717 Regenerated.
8718 * c-tree.h (min_precision): Move declaration to here.
8719 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8720 (build_unary_op, add_pending_init): Use bit_position.
8721 (pending_init_member, process_init_element): Likewise.
8722 (really_start_incremental_init, push_init_level, pop_init_level):
8723 Don't make copies of nodes or modify them in place, use consistent
8724 types when tracking positions, and use tree routines computations.
8725 (set_init_index, output_init_element): Likewise.
8726 (output_pending_init_elements, process_init_element): Likewise.
8727 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8728 tree_low_cst and int_bit_position; also minor cleanup.
8729 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8730 (print_cst_octal): Precision is unsigned.
8731 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8732 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8733 (simple_type_align_in_bits): Result is unsigned int.
8734 Use tree_int_low_cst and host_integerp.
8735 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8736 (field_byte_offset): Result is HOST_WIDE_INT.
8737 Change types of internal variables so alignments are unsigned int,
8738 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8739 Use host_integerp, tree_low_cst, and int_bit_position.
8740 (add_bit_offset_attribute): Likewise.
8741 (add_data_member_location_attribute): Use tree_cst_low.
8742 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8743 (add_bit_size_attribute): Use tree_low_cst.
8744 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8745 * dwarfout.c: Similar changes to dwarf2out.c.
8746 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8747 * genoutput.c (n_occurences): Return -1 for null string.
8748 (strip_whitespace): Accept null string and make into function.
8749 (scan_operands): Reflect above changes.
8750 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8751 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8752 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8753 * tree.c (int_size_in_bytes): Check for too big to represent.
8754 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8755 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8756 New declarations.
8757 (min_precision): Delete from here.
8758 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8759 and int_bit_position.
8760 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8761 (encode_method_def): Likewise.
8762 (build_ivar_list_initializer): Use int_bit_position.
8763 (generate_shared_structures): Convert size.
8764 (encode_type, encode_complete_bitfield): Use integer_zerop.
8765 (encode_bitfield): Use tree_low_cst and int_bit_position.
8767 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8769 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8771 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8773 * call.c (special_function_p): It is only malloc if it returns
8774 Pmode.
8776 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8778 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8779 (C33_FLAG, TARGET_C3X): Add macros.
8780 (TARGET_SWITCHES): Add -m33 option.
8781 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8783 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8785 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8786 (PARALLEL_PACK_FLAG): Delete.
8787 (TARGET_SWITCHES): Update.
8788 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8790 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8792 * fold-const.c (fold): Fix a few cases when the returned result
8793 is not of the same type as the input.
8795 2000-03-16 Nick Clifton <nickc@cygnus.com>
8797 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8798 warning.
8800 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8802 * libgcc2.h: Move prototypes above macros with the same name.
8803 Wrap some function prototypes in the conditional which indicates
8804 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8806 2000-03-16 Richard Henderson <rth@cygnus.com>
8808 * calls.c: Revert last two changes.
8810 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8812 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8813 has exponent 0 is a zero.
8815 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8816 HASH may already be nonzero. Add code/mode into hash value
8817 immediately after repeat label.
8818 (cselib_lookup): Don't leave the hash table in an inconsistent
8819 state before a hash lookup operation.
8821 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8823 * i386.md (all HI and QI mode non-move patterns): Conditionize
8824 by TARGET_[HQ]IMODE_MATH.
8825 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8826 x86_promote_qi_regs): Declare.
8827 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8828 TARGET_PROMOTE_QI_REGS): New macros.
8829 (PROMOTE_MODE): New macro.
8830 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8831 x86_promote_qi_regs): New global variables.
8833 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8835 * calls.c (emit_library_call_value_1): Break out from ...; handle
8836 VOIDmode function calls too.
8837 (emit_library_call_value): ... here.
8838 (emit_library_call): Implement by calling emit_library_call_value_1.
8840 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8842 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8843 Update arg_space_so_far on stack adjustments.
8844 (emit_library_call, emit_library_call_value): Likewise; take into
8845 account arg_space_so_far and pending_stack_adjust when calculcating
8846 the boundary.
8848 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8850 * flow.c: Move all basic block reordering code into its own file.
8851 (create_basic_block): Externalize.
8852 * bb-reorder.c: New file. Copy all basic block reordering code from
8853 flow.c to this file.
8854 (reorder_basic_blocks): Fix fencepost error in for-loop.
8855 (reorder_basic_blocks): Remove braces from single statement for-loops.
8856 * basic-block.h: Add declaration for create_basic_block.
8857 * Makefile.in: Add rules for bb-reorder.o.
8859 2000-03-16 Neil Booth <NeilB@earthling.net>
8861 * cppinit.c (handle_option): Implement #unassert directive
8862 as -A- command line option.
8863 (print_help): Update.
8864 * cpptexi.c: Update.
8866 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8868 * md.texi (Standard Names): Document `jump'.
8870 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8872 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8873 gotos.
8875 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8877 Merge changes from newppc-branch onto trunk.
8879 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8881 * rs6000.c (toc_hash_table): Update for new hash table functions.
8882 (toc_hash_function): Likewise.
8883 (toc_hash_eq): Likewise.
8884 (toc_hash_mark_entry): Likewise.
8885 (toc_hash_mark_table): Likewise.
8886 (output_toc): Likewise.
8887 (rs6000_add_gc_roots): Likewise.
8889 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8891 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8892 (AR_FLAGS_FOR_TARGET): here. New macro.
8894 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8896 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8897 fpmem_operand) Delete.
8898 (xer_operand) New.
8899 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8900 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8901 (rs6000_save_machine_status, rs6000_restore_machine_status,
8902 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8903 references to above variables.
8904 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8905 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8906 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8907 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8908 (XER_REGNO_P, XER_REGNO): New.
8909 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8910 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8911 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8912 XER_REGNO_P.
8913 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8914 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8915 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8917 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8919 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8920 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8921 * rs6000.h: from here.
8923 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8924 (rs6000_select_rtx_section): Likewise.
8925 (rs6000_encode_section_info): Likewise.
8926 (sdata_section): Likewise.
8927 (sdata2_section): Likewise.
8928 (sbss_section): Likewise.
8929 * sysv4.h (rs6000_select_section): Delete prototype.
8930 (rs6000_select_rtx_section): Likewise.
8931 (rs6000_encode_section_info): Likewise.
8932 (sdata_section): Likewise.
8933 (sdata2_section): Likewise.
8934 (sbss_section): Likewise.
8935 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8937 * sysv4.h: Delete various unnecessary #undef's and put a comment
8938 on the remaining ones.
8939 Change various comments according to coding standard.
8941 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8943 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8944 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8945 (CR0_REGNO_P) Remove.
8946 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8947 setup_incoming_varargs, mtcrf_operation, print_operand,
8948 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8949 Use the above macros.
8951 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8953 * config/rs6000/rs6000.md: Added a new alternative for each
8954 pattern that had a 'x' alternative but no 'y' alternative.
8955 Added a new split for each of the above patterns.
8957 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8959 * aix41.h (ASM_CPU_SPEC): Delete.
8960 (CPP_CPU_SPEC): Delete.
8962 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8963 (ASM_OUTPUT_LABEL): Define.
8964 (ASM_GLOBALIZE_LABEL): Define.
8965 (STRIP_NAME_ENCODING): Define.
8966 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8967 (STRIP_NAME_ENCODING): Don't define.
8968 (ASM_OUTPUT_LABEL): Don't define.
8969 (ASM_GLOBALIZE_LABEL): Don't define.
8970 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8971 names, and ASM_OUTPUT_LABEL to output labels, rather than
8972 asm_fprintf.
8973 (ASM_OUTPUT_LABEL): Define.
8974 (ASM_OUTPUT_INT): Use assemble_name.
8975 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8976 (STRIP_NAME_ENCODING): Don't undefine first.
8977 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8978 ELF.
8979 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8980 specified with 'asm' even with -fleading-underscore.
8981 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8982 (output_epilog): Likewise.
8983 (output_toc): Likewise.
8984 * tramp.asm: Handle -fleading-underscore correctly.
8986 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8987 -mminimal-toc.
8988 (nonlocal_goto_receiver): Delete.
8989 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8991 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8992 (SET_ASM_OP): Define.
8993 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8995 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8996 (ASM_LONG): Define.
8998 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8999 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
9001 * rs6000.h: Add 'u' to more constants.
9003 2000-02-18 David Edelsohn <edelsohn@gnu.org>
9005 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
9007 2000-02-15 David Edelsohn <edelsohn@gnu.org>
9009 * rs6000.c (reg_or_u_cint_operand): New function.
9010 (logical_operand): Handle 64-bit hosts.
9011 (logical_u_operand): New function.
9012 (non_logical_cint_operand): Handle 64-bit hosts.
9013 (non_logical_u_cint_operand): New function.
9014 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
9015 (PREDICATE_CODES): Define new functions.
9016 * rs6000-protos.h: Declare new functions.
9017 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
9018 (movdi_64): Bracket code intended for 64-bit hosts. Create
9019 CONST_DOUBLE for 32-bit values.
9020 (scc insns): Generate DImode compares.
9021 (mfcr insns): Create DImode versions.
9022 (sge matchers): New patterns.
9024 2000-02-15 Gabriel Paubert <paubert@iram.es>
9026 * rs6000.md: Correct instructions length attributes and
9027 constraints on unsigned compare instructions.
9028 (*ne0): Disable for PowerPC64.
9030 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9032 * rs6000.c (output_function_profiler): Use .long for a 32-bit
9033 quantity, fix profile1.C test failure under -fPIC.
9035 * rs6000.c: Add 'u' to many constants to suppress warnings.
9036 (constant_pool_expr_1): Make static.
9037 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
9038 * rs6000.h: Add 'u' to many constants to suppress warnings.
9040 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
9041 for the start of the TOC, instead of LCTOC..0.
9042 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
9043 of the TOC.
9044 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
9045 (load_toc_aix_di): Use LCTOC..1.
9047 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
9048 * rs6000.c (rs6000_legitimize_address): New function from
9049 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
9050 symbols in the constant pool that really are TOC references.
9051 (print_operand_address): For ELF, write TOC offsets under
9052 -fPIC as subtractions in the insn.
9053 (output_toc): For ELF, define symbols in TOC as normal labels,
9054 to match RTL.
9055 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
9056 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
9057 (create_TOC_reference): Prototype only when RTX_CODE is defined.
9058 * rs6000.md (movsi): Only use create_TOC_reference on
9059 symbols in the constant pool that really are TOC references.
9061 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
9062 * rs6000.c (rs6000_reorg): Delete.
9063 * rs6000-protos.h (rs6000_reorg): Delete.
9065 2000-02-09 Geoff Keating <geoffk@cygnus.com>
9067 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
9069 * aix.h (SETUP_FRAME_ADDRESSES): Define.
9070 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
9071 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
9072 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
9073 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
9074 rs6000_aix_emit_builtin_unwind_init.
9075 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
9076 rs6000_emit_eh_toc_restore on AIX.
9077 (return_eh_si): Use r2.
9078 (return_eh_di): Use r2.
9080 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
9081 since we're breaking binary compatibility anyway.
9083 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9085 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
9086 constant_pool_expr_p): Declare them.
9087 (constant_pool_expr_p): Declare it.
9088 * config/rs6000/rs6000.c (toc_label_name): Define.
9089 (rs6000_override_options): Set toc_label_name.
9090 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
9091 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
9092 uses_TOC): New functions.
9093 (print_operand): Delete old '*' case.
9094 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
9095 and strip off rtl for TOC before calling output_addr_const.
9096 (rs6000_emit_load_toc_table): Use toc_label_name.
9097 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
9098 the default.
9099 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
9100 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
9101 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
9102 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
9103 into explicit TOC_REGISTER offsets.
9104 (TOC_REGISTER): New macro.
9105 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
9106 TARGET_TOC to reference TOC_REGISTER.
9107 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
9108 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
9109 uses_TOC before emitting label references.
9111 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9113 * rs6000.md (stack_tie): Fix warning.
9115 * eabi-ctors.c: Use 'asm' names for the start/end variables,
9116 to handle -fleading-underscore.
9117 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
9118 (USER_LABEL_PREFIX): New macro.
9119 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
9120 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
9121 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
9122 call-linux can use the same multilibs.
9123 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
9124 and call-linux multilibs. Do multilib with -fleading-underscore.
9125 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
9126 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
9127 to call-aix.
9129 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
9130 have MASK_SOFT_FLOAT set.
9131 (CPP_FLOAT_DEFAULT_SPEC): New macro.
9132 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
9133 CPP_FLOAT_DEFAULT_SPEC.
9135 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
9136 * rs6000.md: Whitespace change.
9137 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
9138 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
9140 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9142 * rs6000.md (eh_epilogue): New expander.
9143 (eh_reg_restore): New expand/split/insn combination.
9144 (return_eh_si): New insn.
9145 (return_eh_di): New insn.
9147 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
9148 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
9149 * eabi-ctors.c (__do_global_ctors): Register this object's
9150 frame. Clean up. Call atexit() after the constructors.
9151 (__do_global_dtors): Deregister this object's frame. Clean up.
9152 Allow for recursive calls to exit().
9153 * rs6000.c (fixuplabelno): New variable.
9154 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
9155 TARGET_RELOCATABLE, it slows down exec() under linux.
9156 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
9158 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
9159 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
9160 (ASM_OUTPUT_DWARF_DELTA2): New macro.
9161 (ASM_OUTPUT_DWARF_DELTA4): New macro.
9162 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
9163 (ASM_OUTPUT_DWARF_ADDR): New macro.
9164 (ASM_OUTPUT_DWARF_DATA4): New macro.
9165 (ASM_OUTPUT_DWARF_DATA2): New macro.
9166 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
9167 (ASM_OUTPUT_DWARF_OFFSET): New macro.
9168 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
9170 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9172 * rs6000.c (rs6000_sr_alias_set): New variable.
9173 (rs6000_override_options): Initialise rs6000_sr_alias_set.
9174 (rs6000_emit_stack_tie): New function.
9175 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
9176 in a way that dwarf2out can understand.
9177 (rs6000_frame_related): New function.
9178 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
9179 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
9180 Use rs6000_emit_stack_tie when needed.
9181 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
9182 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
9183 * rs6000.md (stack_tie): New insn.
9184 (return_internal_si): Allow return value to be in the count
9185 register.
9186 (return_internal_di): Likewise.
9188 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
9190 2000-02-03 Geoff Keating <geoffk@cygnus.com>
9192 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
9194 2000-01-31 Geoff Keating <geoffk@cygnus.com>
9196 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
9198 * rs6000.md (stmw): Use the right POWER opcode.
9199 (lmw): Likewise.
9201 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9203 * rs6000-protos.h: New file.
9205 * rs6000.c: Include tm_p.h. Fix compile time warnings.
9207 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
9208 warnings.
9210 * sysv4.h: Likewise.
9212 2000-01-28 Geoff Keating <geoffk@cygnus.com>
9214 * ../../configure.in: Delete powerpcle-*-winnt*
9215 and powerpcle-*-pe|powerpcle-*-cygwin*.
9216 * ../../configure: Regenerated.
9217 * cygwin.h: Delete.
9218 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
9219 (TARGET_WINDOWS_NT): Delete.
9220 (ABI_NT): Delete.
9221 (CALL_NT_DLLIMPORT): Delete.
9222 Delete NT-specific code.
9223 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
9224 * win-nt.h: Delete.
9225 * t-winnt: Delete.
9226 * nt-ci.asm: Delete.
9227 * nt-cn.asm: Delete.
9228 * ntstack.asm: Delete.
9230 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9232 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
9233 (ASM_FILE_START): Likewise.
9234 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9235 (ASM_OUTPUT_LABELREF): Likewise.
9236 (ASM_OUTPUT_SKIP): Likewise.
9237 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
9238 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9239 (ASM_OUTPUT_CASE_LABEL): Likewise.
9240 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
9241 (ASM_OUTPUT_ASCII): Likewise.
9243 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
9245 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
9246 reload_toc_labelno for non-prologue TOC reloads. Also, don't
9247 increment rs6000_pic_labelno here.
9248 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
9249 and increment rs6000_pic_labelno here.
9251 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
9253 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
9254 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
9255 allocation knows (reg) is dead before the insn.
9257 2000-01-21 Geoff Keating <geoffk@cygnus.com>
9259 * rs6000.md (movsi_to_cr): Correct typo in output template.
9261 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9263 * rs6000.c (rs6000_pic_labelno): Always define.
9264 (rs6000_pic_func_labelno): Delete.
9265 (lmw_operation): Check for a zero base register,
9266 which doesn't mean what we want.
9267 (stmw_operation): New function.
9268 (print_operand): Define new 'l' modifier.
9269 (rs6000_stack_info): We must save all 64 bits of the registers
9270 if TARGET_POWERPC64.
9271 (rs6000_output_load_toc_table): Delete.
9272 (rs6000_emit_load_toc_table): New function.
9273 (rs6000_allocate_stack_space): Delete.
9274 (rs6000_emit_allocate_stack): New function.
9275 (rs6000_emit_prologue): New function.
9276 (output_prolog): Use rs6000_emit_prologue.
9277 (rs6000_emit_epilogue): Change a few variable names to be
9278 more accurate. Restore all 64 bits of the registers if
9279 TARGET_POWERPC64. Only restore the FP registers which were used
9280 if they are being saved/restored one-at-a-time.
9281 (output_mi_thunk): Delete inefficient code generation.
9282 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9283 * rs6000.h: Declare rs6000_emit_load_toc_table,
9284 rs6000_allocate_stack_space, stmw_operation. Don't declare
9285 rs6000_output_load_toc_table.
9286 * rs6000.md (elf_high): Allow register 0, but discourage it
9287 heavily.
9288 (elf_low): Support loading into register 0.
9289 (load_toc_aix_si): New pattern.
9290 (load_toc_aix_di): New pattern.
9291 (load_toc_v4_pic_si): New pattern.
9292 (load_toc_v4_pic_di): New pattern.
9293 (load_toc_v4_PIC_1): New pattern.
9294 (load_toc_v4_PIC_1b): New pattern.
9295 (load_toc_v4_PIC_2): New pattern.
9296 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9297 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9298 (prologue): New expander.
9299 (movesi_from_cr): New pattern.
9300 (stmw): New pattern.
9301 (save_fpregs_si): New pattern.
9302 (save_fpregs_di): New pattern.
9304 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9306 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9307 (movdi): Likewise.
9308 (movhi): Likewise.
9309 (movqi): Likewise.
9311 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9313 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9314 at present.
9315 (movsi_got_internal): Likewise.
9316 (movsi_got_internal+1): Likewise.
9317 (set_sp): 'unspec 7' does a SImode clobber.
9319 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9321 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9322 allocate a stack temporary.
9323 (floatsidf2_internal): Likewise.
9324 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9325 with unspec.
9326 (floatunssidf2): Don't use the fpmem "register", just
9327 allocate a stack temporary.
9328 (floatunssidf2_internal): Likewise.
9329 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9330 with unspec.
9331 (floatsidf2_loadaddr): Delete.
9332 (floatsidf2_store1): Delete.
9333 (floatsidf2_store2): Delete.
9334 (floatsidf2_load): Delete.
9335 (fix_truncdfsi2): Don't use the fpmem "register", just
9336 allocate a stack temporary.
9337 (fix_truncdfsi2_internal_si): Delete.
9338 (fix_truncdfsi2_internal_di): Delete.
9339 (fix_truncdfsi2_internal): New insn.
9340 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9341 (fix_truncdfsi2_store): Delete.
9342 (fix_truncdfsi2_load): Delete.
9343 (fctiwz): Produce gen_fctiwz.
9345 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9347 * eabi.h (INVOKE__main): Define.
9348 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9349 specially.
9350 (rs6000_emit_prologue): Likewise.
9351 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9352 this is the main program.
9354 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9356 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9358 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9360 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9361 goes after the argument.
9363 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9365 * rs6000.md: Document 'unspec' values used.
9366 (epilogue): New expander.
9367 (movesi_to_cr_one): New expander.
9368 (movesi_to_cr and following): New pattern.
9369 (lmw): New pattern.
9370 (return_internal_si): New pattern.
9371 (return_internal_di): New pattern.
9372 (return_and_restore_fpregs_si): New pattern.
9373 (return_and_restore_fpregs_di): New pattern.
9374 * rs6000.h: Declare new functions.
9375 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9376 rather than rs6000_calls_p.
9377 (rs6000_makes_calls): Delete.
9378 (lmw_operation): New function.
9379 (mtcrf_operation): New function.
9380 (rs6000_emit_epilogue): New function.
9381 (output_epilog): Call rs6000_emit_epilogue and final if
9382 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9384 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9386 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9387 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9388 * aix.h (SUBTARGET_SWITCHES): Document switches.
9389 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9390 sched-prolog and sched-epilog the same. Document all the
9391 switches.
9392 (TARGET_OPTIONS): No longer allow -mdebug-.
9394 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9396 * rs6000.h (ASM_FILE_END): Move to aix.h.
9397 (EXTRA_SECTIONS): Move to aix.h.
9398 (READONLY_DATA_SECTION): Move to aix.h.
9399 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9400 (SELECT_SECTION): Move to aix.h.
9401 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9402 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9403 (LINK_REGISTER_REGNUM): New definition.
9404 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9405 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9406 AIX and SVR4.
9407 * sysv4.h: Delete the code between the inclusion of rs6000.h
9408 and svr4.h.
9409 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9410 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9411 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9412 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9413 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9414 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9415 (fix_truncdfsi2_internal_di): New pattern.
9416 (fix_truncdfsi2_store): The second arg here is Pmode too.
9417 (fix_truncdfsi2_load): The second arg here is Pmode too.
9418 (tablejumpdi): Now that switch tables hold only SImode values,
9419 gcc needs to know how to add them to the pc which is DImode.
9420 * rs6000.c (rs6000_stack_info): Use symbolic name for
9421 LINK_REGISTER_REGNUM.
9422 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9423 (output_toc): Delete unused variables s1 and s2.
9424 (output_ascii): Use fputs not fprintf on a variable string.
9426 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9428 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9429 * aix43.h: Revert Aug 2 change.
9430 (HAS_INIT_SECTION): Define, not visible yet.
9431 (LD_INIT_SWITCH): Define, not visible yet.
9432 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9434 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9436 * config/rs6000/rtems.h: Include config/rtems.h.
9438 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9440 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9441 (SLOW_UNALIGNED_ACCESS): Define.
9442 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9443 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9444 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9445 (toc_section): Likewise and .toc pseudo-op.
9446 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9447 64-bit mode.
9448 (TEXT_SECTION_ASM_OP): Likewise.
9449 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9450 32-bit offsets.
9452 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9454 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9455 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9456 compiling libgcc2.
9458 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9460 * rs6000.h: Move more stuff from here...
9461 * aix.h: to here.
9462 * sysv4.h: Cleanup accordingly.
9463 * netware.h: Likewise
9465 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9467 * rs6000.h: Continue cleanup.
9468 * aix.h: Likewise.
9469 * lynx.h: Likewise.
9470 * netware.h: Likewise.
9471 * sol2.h: Likewise.
9472 * sysv4.h: Likewise.
9473 * win-nt.h: Likewise.
9475 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9476 (TARGET_OPTIONS): Likewise.
9478 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9479 (SUBTARGET_OPTIONS): Likewise.
9481 * rs6000.md: Fix compile time warnings.
9483 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9485 vxworks patches from the Cygnus tree originally by
9486 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9487 <vmakarov@cygnus.com>.
9488 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9489 (ENDFILE_SPEC): Likewise.
9490 (LIB_VXWORKS_SPEC): New macro.
9491 (STARTFILE_VXWORKS_SPEC): New macro.
9492 (ENDFILE_VXWORKS_SPEC): New macro.
9493 (LINK_START_VXWORKS_SPEC): New macro.
9494 (LINK_OS_VXWORKS_SPEC): New macro.
9495 (CPP_OS_VXWORKS_SPEC): New macro.
9496 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9497 * vxppc.h: Rewrite to use proper configuration method.
9498 * vxppcle.h: New file.
9499 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9500 * ../../configure: Rebuilt.
9502 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9504 Lots of changes to rs6000.h, sysv4.h, aix.h,
9505 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9506 with the aim that rs6000.h is the first header
9507 included and the others override it.
9508 * aix.h: New file.
9510 * x-aix41-gld: Remove.
9511 * x-aix43: Remove.
9512 * x-aix41: Remove target-specific switches, and don't specify
9513 -Wl,-bbigtoc as we don't need it any more.
9514 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9515 Use t-aix43 for AIX 4.3 and above.
9516 * ../../configure: Regenerated.
9518 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9519 options, that don't do anything yet.
9520 (MASK_SCHED_PROLOG): New macro.
9521 (MASK_SCHED_EPILOG): New macro.
9522 (TARGET_SCHED_PROLOG): New macro.
9523 (TARGET_SCHED_EPILOG): New macro.
9525 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9527 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9528 one per translation unit, not one per function.
9529 (output_toc): Also do duplicate constant elimination
9530 for per-translation-unit TOCs.
9532 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9533 a comment explaining _exactly_ when this pattern gets used.
9534 (builtin_setjmp_receiver): New pattern for better clarity.
9535 (init_v4_pic): Move it into a section dealing with TOC registers.
9537 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9539 * rs6000.c (toc_hash_table): New variable.
9540 (rs6000_hash_constant): New function.
9541 (toc_hash_function): New function.
9542 (toc_hash_eq): New function.
9543 (toc_hash_mark_entry): New function.
9544 (toc_hash_mark_table): New function.
9545 (output_toc): Don't output duplicate TOC entries in
9546 a single file.
9547 (rs6000_add_gc_roots): Add the hash table as a GC root.
9548 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9549 where they clearly shouldn't be. This may need to be fixed
9550 later when there is a GNU ar for AIX.
9551 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9552 Don't define BOOT_LDFLAGS as it is now not necessary.
9554 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9556 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9557 for va_list on AIX. Use unsigned_char_type_node rather than
9558 constructing our own version on svr4.
9560 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9562 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9563 since patently it's not.
9565 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9567 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9568 define_expand/define_insn pair, and handle restore of the
9569 SVR4 -fpic register.
9571 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9573 * acconfig.h (HAVE_GAS_WEAK): New define.
9574 * configure.in (assembler weak support): Check for .weak support.
9575 * config.in, configure: Rebuilt.
9576 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9577 HAVE_GAS_WEAK is defined.
9579 2000-03-15 Nick Clifton <nickc@cygnus.com>
9581 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9582 asm_fprintf().
9584 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9586 * cppfiles.c (open_include_file): New function.
9587 (find_include_file, cpp_read_file): Use it.
9589 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9591 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9593 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9595 * flow.c (verify_flow_info): Check for unconditional return.
9597 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9599 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9600 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9601 (__ia64_restore_stack_nonlocal): New.
9602 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9604 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9606 * cpphash.c (collect_formal_parameters): Do not complain about
9607 parameter names that just start with `__VA_ARGS__'.
9609 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9611 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9612 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9613 * i386.c (pentiumpro_cost): Set mul cost to 4.
9614 (x86_use_movx): Set for PPro.
9616 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9618 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9619 STACK_BOUNDARY for empty frames now.
9621 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9623 * stor-layout.c (layout_union): Remove.
9624 (layout_union_field): New function, split out from layout_union.
9625 (finish_union_layout): Likewise.
9626 (layout_field): Handle unions by calling layout_union_field.
9627 (finish_record_layout): Handle unions.
9628 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9629 QUAL_UNION_TYPE handling.
9631 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9633 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9634 end of basic block is jump_insn, not barrier; use create_basic_block
9635 instead of creating basic block by hand.
9637 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9639 * flow.c (reorder_basic_blocks): Account for barriers when writing
9640 over NEXT_INSN (last_bb->end).
9641 (verify_flow_info): Add check for missing barriers.
9643 2000-03-14 Greg McGary <gkm@gnu.org>
9645 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9646 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9647 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9648 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9649 __unbounded, __unbounded__): New keywords.
9650 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9651 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9652 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9654 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9656 * cselib.h: New file.
9657 * alias.c: Include "cselib.h".
9658 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9659 MEMs as two new arguments.
9660 (get_addr): New static function.
9661 (find_base_term): Handle VALUEs.
9662 (memrefs_conflict_p): Likewise.
9663 (true_dependence): Call get_addr on the addresses.
9664 Call fixed_scalar_and_varying_struct_p with addresses that have been
9665 passed through get_addr and canon_rtx.
9666 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9667 with true_dependence.
9668 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9669 * loop.c: Include "cselib.h".
9670 (load_mems): Process extended basic block that enters the loop with
9671 cselib. Use that information to change initialization of the shadow
9672 register so that a constant equivalence is seen by later passes.
9673 * reload1.c: Include "cselib.h".
9674 (reload_cse_invalidate_regno): Delete function.
9675 (reload_cse_mem_conflict_p): Likewise.
9676 (reload_cse_invalidate_mem): Likewise.
9677 (reload_cse_invalidate_rtx): Likewise.
9678 (reload_cse_regno_equal_p): Likewise.
9679 (reload_cse_check_clobber): Likewise.
9680 (reload_cse_record_set): Likewise.
9681 (reg_values): Delete static variable.
9682 (invalidate_regno_rtx): Likewise.
9683 (reload_cse_delete_noop_set): New static function.
9684 (reload_cse_simplify): New static function, broken out of
9685 reload_cse_regs_1.
9686 (reload_cse_noop_set_p): Delete unused argument INSN.
9687 Just call rtx_equal_for_cselib_p on set source and destination.
9688 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9689 reload_cse_delete_noop_set. Delete code to keep track of values; use
9690 cselib functions instead. Delete code to push/pop obstacks.
9691 (reload_cse_simplify_set): Use cselib to find equivalent values.
9692 Delete code to push/pop obstacks.
9693 (reload_cse_simplify_operands): Likewise.
9694 * rtl.def (VALUE): New rtx code.
9695 * rtl.h (union rtunion_def): New elt rt_cselib.
9696 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9697 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9698 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9699 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9700 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9701 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9702 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9703 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9704 cselib_record_set, cselib_record_sets): New static functions.
9705 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9706 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9707 references_value_p): New functions.
9708 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9709 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9710 n_useless_values, reg_values, callmem, cselib_obstack,
9711 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9712 New static variables.
9713 * varray.h (union varray_data_tag): New elt te.
9714 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9715 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9716 dependencies.
9718 2000-03-14 Nick Clifton <nickc@cygnus.com>
9720 * gcc.c (do_spec_1): Catch the case where %* is used in a
9721 substitution pattern, but it has not been initialised.
9722 Issue a meaningful error message if an unrecognised operator
9723 is encountered in a spec string.
9725 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9727 * function.c (prepare_function_start): Correctly initialize
9728 cfun->stack_alignment_needed.
9730 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9732 * cppfiles.c (find_include_file): Don't assume nshort is a
9733 substring of name.
9735 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9737 * configure.in (hppa configurations): Add pa32-regs.h to the
9738 list of tm files as appropriate.
9739 * configure: Rebuilt.
9740 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9741 register numbering.
9742 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9743 (fmpyaddoperands, fmpysuboperands): Likewise.
9744 * pa.h: Remove various definitions which depend on knowing
9745 how registers are numbered.
9746 * pa32-regs.h: New file with PA32 register numbering specific
9747 definitions.
9749 2000-03-14 Richard Henderson <rth@cygnus.com>
9751 * regmove.c (combine_stack_adjustments): New.
9752 (stack_memref_p, single_set_for_csa): New.
9753 (free_csa_memlist, record_one_stack_memref): New.
9754 (try_apply_stack_adjustment): New.
9755 (combine_stack_adjustments_for_block): New.
9756 * rtl.h (combine_stack_adjustments): Declare.
9757 * toplev.c (rest_of_compilation): Call it.
9759 * i386.md: Revert 2000-01-16 change.
9761 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9763 * gccbug.in: Add web category, gcc specific classes.
9765 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9767 * stor-layout.c (finalize_record_size): Fix typo.
9769 2000-03-14 Stan Shebs <shebs@apple.com>
9771 * c-typeck.c (c_alignof): Error on incomplete types.
9772 * extend.texi (Alignment): Document this.
9774 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9776 * cppfiles.c: Include mkdeps.h.
9777 (find_include_file, read_include_file): Remove _cpp_ prefix
9778 from name, make static.
9779 (_cpp_execute_include): New function, broken out of
9780 do_include.
9782 * cpplib.c: Don't include mkdeps.h.
9783 (struct directive): Remove type field. Reorder entries. The
9784 function takes only one argument.
9785 (struct if_stack): Make type field an int.
9786 (directive_table): Rename to dtable. Generate it, the
9787 prototypes of the directive handlers, and the enum for the
9788 directive numbers, from a template macro.
9789 (do_ifndef, do_include_next, do_import): New functions.
9790 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9791 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9792 do_ident, do_assert, do_unassert, do_sccs): Take only one
9793 argument.
9794 (do_sccs): Define always, but alter behavior based on
9795 SCCS_DIRECTIVE.
9796 (_cpp_handle_directive, consider_directive_while_skipping):
9797 Restructure for new directive table layout.
9799 (pass_thru_directive): Take a directive number, not a pointer
9800 to a struct directive.
9801 (parse_include): New function, broken out of do_include.
9802 (do_include, do_import, do_include_next): Use parse_include
9803 and _cpp_execute_include.
9804 (do_elif, do_else): Test for T_ELSE specifically when checking
9805 for #elif/#else after #else.
9806 (parse_ifdef): New function, broken out of do_ifdef.
9807 (validate_else): Expect a name arg without a leading #.
9808 (if_directive_name): Delete.
9809 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9810 directive handlers with only one argument.
9812 * cpphash.h: Update prototypes.
9813 (enum node_type): Remove entries for directives.
9814 * Makefile.in: Update dependencies.
9816 * cpphash.c (dump_hash_helper): Only dump nodes of type
9817 T_MACRO. Emit a newline after each definition.
9819 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9821 * gccbug.in: New file.
9822 * configure.in (all_outputs): Add gccbug.
9823 * Makefile.in (install-common): Install gccbug.
9824 (GCCBUG_INSTALL_NAME): New variable.
9825 * configure: Rebuilt.
9827 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9829 * function.c (put_var_into_stack): Use type_for_mode to calculate
9830 part_type. Use MEM_SET_IN_STRUCT_P.
9831 * expr.c (store_field): Handle CONCAT.
9832 (store_constructor): Use fields_length.
9833 * tree.c (fields_length): New fn.
9834 * tree.h: Declare it.
9836 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9838 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9839 (cpplex.o): New target.
9840 * po/POTFILES.in: Add cpplex.c.
9842 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9843 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9844 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9845 skip_block_comment, skip_line_comment, skip_comment,
9846 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9847 _cpp_parse_name, skip_string, parse_string,
9848 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9849 _cpp_get_directive_token, find_position,
9850 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9851 (maybe_macroexpand, _cpp_lex_token): New functions.
9853 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9854 parse_goto_mark): Delete.
9855 (_cpp_handle_eof): New function.
9856 (_cpp_handle_directive): Rename from handle_directive.
9857 (_cpp_output_line_command): Rename from output_line_command.
9858 (do_if, do_elif): Call _cpp_parse_expr directly.
9859 * cppfiles.c (_cpp_read_include_file): Don't call
9860 init_input_buffer here.
9861 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9862 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9863 here; pop the token_buffer and skip the rest of the line here.
9864 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9865 here.
9867 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9868 Define here.
9869 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9870 CPP_GOTO_MARK): New macros.
9871 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9872 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9873 _cpp_read_and_prescan, _cpp_init_input_buffer,
9874 _cpp_grow_token_buffer, _cpp_get_directive_token,
9875 _cpp_handle_directive, _cpp_handle_eof,
9876 _cpp_output_line_command): Prototype them here.
9877 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9878 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9879 quote_string, output_line_command): Remove.
9881 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9883 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9884 whether it is too large we must also verify that it isn't negative.
9886 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9888 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9889 (movsi_zero_liveg0): Remove.
9890 (movsf_insn_novis_liveg0): Remove.
9891 (negsi2): Remove.
9892 (negsi2_not_liveg0): Rename to negsi2.
9893 (one_cmplsi2): Remove.
9894 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9895 (one_cmplsi2_liveg0): Remove.
9896 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9897 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9898 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9899 (PREDICATE_CODES): Remove zero_operand.
9900 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9901 TARGET_BROKEN_SAVERESTORE.
9902 (zero_operand): Remove.
9903 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9904 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9905 options.
9906 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9907 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9908 TARGET_BROKEN_SAVERESTORE): Remove.
9909 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9910 Remove.
9911 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9912 Remove.
9913 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9914 Remove.
9916 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9918 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9920 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9921 truncating a string. Don't assume tokens are nul terminated.
9922 Problem noted by Andreas Jaeger <aj@suse.de>
9924 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9926 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9927 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9928 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9930 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9932 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9933 STRUCTURE_SIZE_BOUNDARY.
9935 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9937 * tree.h (record_layout_info_s): New structure.
9938 (record_layout_info): New type.
9939 (new_record_layout_info): New function.
9940 (layout_field): Likewise.
9941 (finish_record_layout): Likewise.
9942 * stor-layout.c (layout_record): Remove.
9943 (new_record_layout_info): New function.
9944 (layout_field): New function, broken out from layout_record.
9945 (finalize_record_size): Likewise.
9946 (compute_record_mode): Likewise.
9947 (finalize_type_size): New function, broken out from layout_type.
9948 (finish_record_layout): Likewise.
9949 (layout_type): Use them.
9951 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9953 * cpphash.c: Don't include version.h.
9954 (special_symbol) [case T_VERSION]: Look for the string in
9955 hp->value.cpval; don't use version_string.
9956 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9957 __VERSION__ to version_string.
9958 * Makefile.in (cpphash.o): Update deps.
9960 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9962 Convert cpplib to use libiberty/hashtab.c.
9964 * cpplib.h (struct cpp_reader): Make hashtab and
9965 all_include_files of type 'struct htab *'. Delete HASHSIZE
9966 and ALL_INCLUDE_HASHSIZE macros.
9968 * cpphash.h: Update prototypes.
9969 (struct hashnode): Remove next, prev, and bucket_hdr members.
9970 Make length a size_t. Add hash member.
9971 (struct ihash): Remove next member. Add hash member. Make
9972 name a flexible array member.
9974 * cppfiles.c: Include hashtab.h.
9975 (include_hash): Delete.
9976 (IHASHSIZE): New macro.
9977 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9978 (cpp_included): Do the hash lookup here.
9979 (_cpp_find_include_file): Rewrite.
9980 (cpp_read_file): Put the "fake" hash entry into the hash
9981 table. Honor the control_macro, if it turns out we've seen
9982 the file before. Don't push the buffer here.
9983 (_cpp_read_include_file): Push the buffer here.
9984 (OMODES): New macro. Use it whenever we call open(2).
9986 * cpphash.c: Include hashtab.h.
9987 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9988 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9989 _cpp_lookup_slot): New functions.
9990 (HASHSIZE): new macro.
9991 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9992 (_cpp_lookup): Use hashtab.h routines.
9994 * cppinit.c: Include hashtab.h.
9995 (cpp_reader_init): Call _cpp_init_macro_hash and
9996 _cpp_init_include_hash. Don't allocate hashtab directly.
9997 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9998 pfile->all_include_files.
9999 (initialize_builtins): Use _cpp_make_hashnode and
10000 htab_find_slot to add hash entries.
10001 (cpp_finish): Just call _cpp_dump_macro_hash.
10002 * cpplib.c: Include hashtab.h.
10003 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
10004 create hash entries.
10005 (do_pragma_poison, do_assert): Likewise.
10006 (do_include): Don't push the buffer here. Don't increment
10007 system_include_depth unless _cpp_read_include_file succeeds.
10008 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
10009 or htab_remove_elt.
10010 (do_pragma_implementation): Use alloca to create copy.
10012 * Makefile.in: Update dependencies.
10014 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10016 * cppinit.c (cl_directive_handler): More K&R fixing.
10018 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
10020 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
10021 STACK_BOUNDARY.
10022 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
10024 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10026 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
10027 Change from char[] to macros.
10029 2000-03-12 Neil Booth <NeilB@earthling.net>
10031 * cppinit.c (cpp_start_read): Update indirect function
10032 call to K&R C.
10034 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
10036 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
10037 entry.
10039 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10040 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
10042 2000-03-11 Neil Booth <NeilB@earthling.net>
10044 * cppinit.c (struct pending option): Replace undef with a
10045 pointer to a directive handling routine.
10046 (struct cpp_pending): Replace separate assert_ and define_
10047 lists with one directive_ list.
10048 (new_pending_define): Rename new_pending_directive. Extra
10049 argument is the directive's handling routine.
10050 (handle_option): Update to use new_pending_directive.
10052 2000-03-11 Neil Booth <NeilB@earthling.net>
10054 * cppfiles.c (file_cleanup, _cpp_find_include_file,
10055 remap_filename, _cpp_read_include_file, actual_directory,
10056 hack_vms_include_specification): Replace bcopy(), index() etc
10057 calls. Add casts to some allocations. Make some variables
10058 pointers to const [unsigned] char.
10059 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
10060 collect_formal_parameters): Similarly.
10061 * cppinit.c (struct pending_option, append_include_chain,
10062 cpp_options_init, cpp_reader_init, initialize_standard_includes,
10063 cpp_start_read, new_pending_define, handle_option): Similarly.
10064 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
10065 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
10066 do_pragma_implementation, detect_if_not_defined,
10067 do_ifdef, skip_if_group, cpp_get_token, parse_string,
10068 do_assert, do_unassert): Similarly.
10069 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
10070 function prototypes.
10071 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
10073 2000-03-10 Richard Henderson <rth@cygnus.com>
10075 * builtins.c (expand_builtin_strlen): Revert last change.
10076 Use emit_insn_before if we're at the beginning of a sequence.
10078 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
10080 * builtins.c (expand_builtin_strlen): Make sure that we have something
10081 at the beginning of the sequence.
10083 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
10084 deferred inlines.
10086 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
10088 2000-03-10 Richard Henderson <rth@cygnus.com>
10090 * except.c (can_throw): Use INTVAL on a CONST_INT.
10091 (reachable_handlers): Likewise.
10092 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
10094 2000-03-10 Andreas Jaeger <aj@suse.de>
10096 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
10097 MD_STARTFILE_PREFIX since those are not needed on linux.
10098 (ASM_FILE_START): New, from mips/gnu.h.
10100 2000-03-09 Richard Henderson <rth@cygnus.com>
10101 Alex Samuel <samuel@codesourcery.com> and others
10103 * Makefile.in (ssa.o): New rule.
10104 (OBJS): Add ssa.o.
10105 (STAGESTUFF): Add *.ssa and *.ussa.
10106 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
10107 * rtl.def (PHI): New RTL expression.
10108 * rtl.h (clear_log_links): New declaration.
10109 (convert_to_ssa): Likewise.
10110 (convert_from_ssa): Likewise.
10111 * flow.c (split_edge): If the entry node falls through to the
10112 split edge's source block, split the entry edge.
10113 (clear_log_links): New function.
10114 * toplev.c (ssa_dump): New variable.
10115 (flag_ssa): Likewise.
10116 (f_options): Add "ssa".
10117 (compile_file): Create SSA dump files.
10118 (rest_of_compilation): Go to and from SSA if enabled.
10119 (decide_d_option): Handle -de for SSA dump files.
10120 * ssa.c: New file.
10122 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
10124 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
10125 same as VAR_DECL.
10127 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
10129 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
10131 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
10133 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
10134 (MD_STARTFILE_PREFIX_1): New macro.
10136 2000-03-09 Robert Lipe <robertl@sco.com>
10138 * config/ia64/ia64.c: Include system.h.
10140 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10142 * except.c (nothrow_function_p): If -fno-exceptions, just return.
10143 (init_eh_nesting_info): Likewise.
10145 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
10146 (TREE_NOTHROW): Rename from TREE_RAISES.
10147 * toplev.c (rest_of_compilation): Set it.
10148 * print-tree.c (print_node): Adjust.
10149 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
10150 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
10151 * calls.c (emit_call_1): Add 'nothrow' parm. Add
10152 REG_EH_REGION note as appropriate.
10153 (libfunc_nothrow): New fn.
10154 (emit_library_call, emit_library_call_value): Use it.
10155 (expand_call): Check TREE_NOTHROW.
10157 * varasm.c (make_decl_rtl): Skip initial '*' when setting
10158 DECL_ASSEMBLER_NAME.
10160 2000-03-09 Andreas Jaeger <aj@suse.de>
10162 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
10163 (TARGET_MEM_FUNCTIONS): Define.
10165 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
10167 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
10169 * except.c (can_throw): See through a SEQUENCE.
10170 (nothrow_function_p): New fn.
10171 * except.h: Declare it.
10172 * function.c (current_function_nothrow): New var.
10173 (prepare_function_start): Initialize it.
10174 * output.h: Declare it.
10175 * toplev.c (rest_of_compilation): Set it.
10176 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
10178 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
10180 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
10181 match. (cpp_compare_defs): Count the nul separator when
10182 advancing over argument names.
10184 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
10186 * recog.c (preprocess_constraints): Matching constraints affect
10187 same alternative/different operand, not same operand/different
10188 alternative.
10190 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
10191 register and a constant specially.
10193 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10195 * libgcc2.h: New file.
10196 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
10198 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
10200 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
10201 * configure: Regenerate.
10202 * config/ia64: New.
10204 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10206 * Makefile.in (LIBCPP_DEPS): New macro.
10207 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
10208 it to declare deps.
10209 * cpperror.c: Include cpphash.h.
10210 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
10211 dingleberry.
10212 (lex): Don't use CPP_WARN_UNDEF.
10213 (_cpp_parse_expr): Return an int, the truth value.
10214 * cppfiles.c: Include cpphash.h.
10215 (_cpp_merge_include_chains): Move to cppinit.c and make static.
10216 * cppinit.c (include_defaults_array): Disentangle.
10217 (cpp_cleanup): Don't free the if stack here.
10218 (cpp_finish): Pop off all buffers, not just one.
10219 * cpplib.c (eval_if_expr): Return int.
10220 (do_xifdef): Rename do_ifdef.
10221 (handle_directive): Don't use CPP_PREPROCESSED.
10222 (cpp_get_token): Don't use CPP_C89.
10223 * fix-header.c: Don't use CPP_OPTIONS.
10225 * cpplib.h: Move U_CHAR, enum node_type, struct
10226 file_name_list, struct ihash, is_idchar, is_idstart,
10227 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
10228 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
10229 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
10230 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
10231 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
10232 of _cpp_simplify_pathname, _cpp_find_include_file,
10233 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
10234 Move struct if_stack to cpplib.c. Move struct cpp_pending to
10235 cppinit.c.
10236 Change all uses of U_CHAR to be unsigned char instead.
10237 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
10239 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10241 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
10242 (dwarf2out_begin_prologue): Set it.
10243 (output_call_frame_info): Don't emit EH unwind info for leaves.
10245 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
10246 can occur outside of an EH region.
10247 * except.c: Correct comments about rethrow behavior.
10248 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
10250 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
10252 * flow.c (make_edges): Always call make_eh_edge for calls.
10254 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
10256 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
10257 (struct cpp_buffer): Remove fname and underflow fields.
10258 (struct cpp_reader): Remove get_token field.
10259 (struct include_hash): Rename to struct ihash. Add typedef to
10260 IHASH.
10261 (struct if_stack): Remove fname field.
10262 (IF_STACK_FRAME): Rename to IF_STACK.
10264 * cpperror.c (print_containing_files): Trust that there are no
10265 macro buffers below the top file buffer.
10266 * cppfiles.c: Replace all references to 'struct include_hash'
10267 with 'IHASH'. Rename initialize_input_buffer to
10268 init_input_buffer. Don't set or reference cpp_buffer->fname,
10269 use buffer->ihash->name instead.
10270 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
10271 not CPP_NULL_BUFFER.
10272 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10273 IF_STACK_FRAME, IHASH not struct include_hash.
10274 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10275 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10276 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10277 references to cpp_buffer->fname (delete entirely, or use
10278 ->ihash->name instead) and IF_STACK->fname.
10279 (cpp_push_buffer): Don't set new->underflow.
10280 (do_include): Use cpp_file_buffer.
10282 * cpphash.c (collect_formal_parameters): Remove duplicate
10283 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10284 used as a macro argument name. Don't append "..." to namebuf
10285 for varargs macros. After we're done scanning, go through
10286 namebuf and make it NUL separated, not comma separated.
10287 (_cpp_compare_defs): Remove register tag from variables.
10288 Expect defn->argnames to be NUL separated.
10289 (_cpp_dump_definition): Expect defn->argnames to be NUL
10290 separated and in forward order.
10291 * cpphash.h: Update documentation of argnames field.
10293 2000-03-08 Richard Henderson <rth@cygnus.com>
10295 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10296 to fail. Don't pre-expand the source operand.
10298 * i386.md (strlensi): Initialize eoschar and align before use.
10300 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10302 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10303 CONSTRUCTOR element.
10305 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10307 * mips.c (mips_expand_prologue): If the last
10308 named argument is the vararg marker "va_list", treat it as
10309 an unnamed argument.
10311 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10313 * dbxout.c (dbxout_parms): When correcting for promoted
10314 big-endian parameters, use the mode of the DECL_RTL rather
10315 than UNITS_PER_WORD.
10317 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10319 * c-common.h (make_fname_decl): Declare.
10320 * c-common.c (make_fname_decl): Define.
10321 (declare_hidden_char_array): Remove.
10322 (declare_function_name): Use make_fname_decl.
10323 * c-decl.c (c_make_fname_decl): New function.
10324 (init_decl_processing): Set make_fname_decl.
10326 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10328 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10330 2000-03-07 Philipp Thomas <pthomas@suse.de>
10332 * po/POTFILES.in: Remove cppalloc.c from file list.
10334 2000-03-07 Steve Chamberlain <sac@pobox.com>
10336 * pj.c (pj_expand_prologue): current_function->args_info is
10337 now current_function_args_info.
10339 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10340 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10341 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10343 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10345 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10346 output as hexadecimal rather than the default octal.
10348 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10350 * cpphash.c (special_symbol): Fix thinko in previous commit.
10352 2000-03-07 Neil Booth <NeilB@earthling.net>
10354 * cppexp.c (struct operation, left_shift, right_shift,
10355 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10356 "int"s to "unsigned int"s.
10357 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10358 Similarly.
10359 * cpplib.h: Update for above.
10360 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10361 returned from allocations.
10363 * cppinit.c (opt_comp, parse_options): New functions.
10364 (handle_option): Use parse_option to parse a single command
10365 line option, that possibly takes an argument.
10366 (cpp_handle_options): Sort the array of command line options on
10367 first invocation (non-ASCII hosts only).
10368 (print_help): Update.
10370 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10372 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10373 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10375 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10376 initialized.
10377 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10379 * cpperror.c (cpp_print_containing_files,
10380 cpp_print_file_and_line, v_cpp_message): Rename to
10381 print_containing_files, print_file_and_line, and v_message.
10382 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10383 to _cpp_parse_expr, parse_escape, and lex.
10384 (parse_charconst): Remove broken multibyte support.
10385 * cppfiles.c (include_hash): Make static.
10386 (cpp_included): New function.
10387 (merge_include_chains, find_include_file, finclude,
10388 simplify_pathname): Rename to _cpp_merge_include_chains,
10389 _cpp_find_include_file, _cpp_read_include_file, and
10390 _cpp_simplify_pathname.
10391 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10392 cpp_install, create_definition, macroexpand, compare_defs,
10393 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10394 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10395 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10396 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10397 static.
10398 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10400 * cpphash.h: Update prototypes.
10401 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10403 2000-03-07 Andrew Haley <aph@cygnus.com>
10405 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10406 PTRDIFF_TYPE should be based solely on Pmode.
10407 (SIZE_TYPE): ditto.
10409 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10411 * rtl.h (rtunion_def): Constify member `rtstr'.
10412 (emit_line_note_after, emit_line_note, emit_line_note_force,
10413 emit_note, decode_asm_operands): Constify.
10415 * cse.c (canon_hash): Likewise.
10417 * dbxout.c (dbxout_block): Likewise.
10419 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10420 v_warning_for_asm): Likewise.
10422 * dwarfout.c (function_start_label): Likewise.
10424 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10425 emit_line_note_force): Likewise.
10427 * final.c (last_filename, asm_insn_count, final_scan_insn,
10428 output_source_line): Likewise.
10430 * function.h (struct emit_status): Likewise.
10432 * gcse.c (hash_expr_1): Likewise.
10434 * genattr.c (gen_attr, main): Likewise.
10436 * genattrtab.c (struct function_unit, current_alternative_string,
10437 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10438 attr_numeral, check_attr_test, check_attr_value,
10439 convert_set_attr_alternative, convert_set_attr,
10440 compute_alternative_mask, simplify_by_exploding, gen_attr,
10441 gen_unit): Likewise.
10443 * genflags.c (gen_insn): Likewise.
10445 * gengenrtl.c (type_from_format): Likewise.
10447 * genopinit.c (gen_insn): Likewise.
10449 * genoutput.c (n_occurrences, process_template, process_template):
10450 Likewise.
10452 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10453 Likewise.
10455 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10456 Likewise.
10458 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10459 ggc_set_mark, ggc_get_size): Likewise.
10461 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10463 * optabs.c (init_one_libfunc): Likewise.
10465 * output.h (assemble_start_function): Likewise.
10467 * recog.c (decode_asm_operands): Likewise.
10469 * toplev.c (rest_of_compilation): Likewise.
10471 * tree.h (emit_line_note_after, emit_line_note,
10472 emit_line_note_force): Likewise.
10474 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10475 asm_emit_uninitialised, assemble_start_function,
10476 assemble_variable, const_hash, compare_constant_1,
10477 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10479 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10481 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10483 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10485 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10487 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10488 arm_dllimport_name_p): Likewise.
10490 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10491 Likewise.
10493 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10495 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10497 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10498 arm_mark_dllexport, arm_mark_dllimport,
10499 arm_pe_encode_section_info): Likewise.
10501 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10502 ASM_FINISH_DECLARE_OBJECT): Likewise.
10504 * arm/thumb.c (thumb_function_prologue): Likewise.
10506 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10508 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10510 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10512 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10514 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10516 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10518 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10519 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10521 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10523 * i386/i386.c (asm_output_function_prefix): Likewise.
10525 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10527 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10529 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10531 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10532 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10533 ASM_OUTPUT_SECTION_NAME): Likewise.
10535 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10537 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10539 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10541 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10543 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10545 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10547 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10549 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10551 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10553 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10555 * mips/mips.md (movdi, movsi): Likewise.
10557 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10559 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10561 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10563 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10564 ASM_OUTPUT_ASCII): Likewise.
10566 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10567 output_mi_thunk, output_toc): Likewise.
10569 * rs6000/rs6000.md (movsi): Likewise.
10571 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10573 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10575 * v850/v850.c (print_operand, print_operand_address,
10576 v850_encode_data_area): Likewise.
10578 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10580 * config/mips/mips.md (zero_extendsidi2): Always force operand
10581 one to memory for mips16.
10583 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10585 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10586 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10587 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10588 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10589 (min_precision): Result is unsigned.
10590 (add_double, neg_double, mul_double): Low word is unsigned.
10591 (lshift_double, rshift_double, lrotate_double): Likewise.
10592 (rrotate_double, div_and_round_double): Likewise.
10593 (tree_floor_log2, compare_tree_int): New functions.
10594 (preserve_rtl_expr_temps): New declaration.
10595 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10596 (decl_attributes): Use tree_log2 to find alignment.
10597 Check for TREE_INT_CST_HIGH for format args.
10598 (min_precision): Now unsigned.
10599 Use tree_floor_log2.
10600 (truthvalue_conversion): Delete long-disabled code.
10601 * c-decl.c (finish_struct): Clean up tests on field width.
10602 (finish_function): Use compare_tree_int.
10603 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10604 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10605 (default_conversion, digest_init): Use compare_tree_int.
10606 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10607 Fix type errors in forming masks.
10608 * calls.c (initialize_argument_information): Use compare_tree_int.
10609 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10610 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10611 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10612 (store_field): Use compare_tree_int.
10613 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10614 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10615 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10616 (do_store_flag): Use compare_tree_int.
10617 * fold-const.c (encode, decode): Low part is always unsigned.
10618 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10619 (lshift_double, rshift_double, lrotate_double): Likewise.
10620 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10621 (fold_convert): Use compare_tree_int.
10622 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10623 (invert_truthvalue, case INTEGER_CST): Likewise.
10624 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10625 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10626 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10627 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10628 Likewise.
10629 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10630 (expand_end_case): Use compare_tree_int.
10631 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10632 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10633 (layout_decl): Likewise.
10634 (layout_record, layout_union): Make sizes unsigned.
10635 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10636 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10637 * tree.c (struct type_hash): hashcode is unsigned.
10638 (build_type_attribute_variant, type_hash_list): Likewise.
10639 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10640 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10641 (build_complex_type): Likewise.
10642 (real_value_from_int_cst): Remove unneeded casts.
10643 (integer_all_onesp): Add casts.
10644 (tree_floor_log2, compare_tree_int): New functions.
10645 (build_index_type): Use tree_int_cst_sgn.
10646 * varasm.c (assemble_variable): Use compare_tree_int.
10648 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10650 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10652 * varasm.c (make_decl_rtl): Don't add a number to members of
10653 local classes.
10654 (make_function_rtl): Likewise.
10656 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10658 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10659 patch from 2000-01-28.
10661 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10663 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10664 filled with an insn from the jump target.
10666 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10668 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10669 (c4x_external_ref): Likewise.
10670 * config/c4x/c4x.c (struct name_list): Likewise.
10672 1999-12-16 Ben Collins <bcollins@debian.org>
10674 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10675 argument to genmultilib.
10676 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10677 the contents into the multilib.h header.
10678 * gcc.c: Declare multilib_exclusions for the specs file.
10679 (set_multilib_dir): Use it.
10680 (print_multilib_info): Likewise.
10681 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10682 to pass to genmultilib.
10684 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10686 * builtins.c (built_in_class_names, built_in_names): Constify a
10687 char*.
10689 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10690 int.
10691 (_mcleanup): Ensure value matches format specifier in sprintf.
10693 * cpphash.c (special_symbol): Don't needlessly cast away
10694 const-ness.
10696 * cppinit.c (base_name): Delete unused prototype.
10698 * mkdeps.c (deps_init): Make definition K&R safe.
10700 * tree.h (built_in_class_names, built_in_names): Constify a
10701 char*.
10703 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10705 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10706 floating point instructions for epilogue delay.
10708 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10709 to gas if it supports .register pseudo.
10711 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10712 LONG_DOUBLE_TYPE_SIZE if not defined.
10713 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10714 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10715 * real.c: Likewise.
10716 * gengenrtl.c: Likewise.
10717 * print-rtl.c: Likewise.
10718 * rtl.c: Likewise.
10719 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10720 MASK_LONG_DOUBLE_128.
10721 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10722 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10723 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10724 (SUBTARGET_SWITCHES): Define.
10725 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10726 with -mlong-double-128.
10727 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10728 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10729 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10730 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10731 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10732 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10733 with -mlong-double-128.
10734 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10735 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10736 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10737 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10738 TARGET_LONG_DOUBLE_128): Define.
10739 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10740 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10741 long double on TARGET_ARCH64.
10743 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10745 * function.c (free_temps_for_rtl_expr): Don't free slots
10746 that have been pushed into a higher level.
10748 Revert this patch:
10749 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10751 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10753 * basic-block.h (ALLOCA_REG_SET): Remove.
10754 (INITIALIZE_REG_SET): New macro.
10755 * flow.c (update_life_info): Use it.
10756 (calculate_global_regs_live): Likewise.
10757 (propagate_block): Likewise.
10758 * global.c (build_insn_chain): Likewise.
10759 * haifa-sched.c (schedule_region): Likewise.
10761 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10763 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10764 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10765 (DWARF_ARANGES_PAD_SIZE): New define.
10766 (output_aranges): Use it to pad the address range header.
10767 (DWARF_ROUND): Fix for non power of 2 rounding.
10769 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10771 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10773 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10775 * tree.def (RTL_EXPR): Update documentation.
10776 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10777 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10778 * function.c (preserve_rtl_expr_temp): New function.
10779 (preserve_rtl_expr_temps): Likewise.
10780 (preserve_rtl_expr_result): Use it.
10782 Revert this patch:
10783 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10785 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10787 * regmove.c (copy_src_to_dest) Do not create src->dest move
10788 for unchanging destination.
10790 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10792 * function.h (struct sequence_stack): Remove rtl_expr.
10793 (struct emit_staus): Likewise.
10794 (seq_rtl_expr): Remove.
10795 * tree.h (free_temps_for_rtl_expr): Don't declare.
10796 (start_sequence_for_rtl_expr): Likewise.
10797 * rtl.h (preserve_rtl_expr_result): Likewise.
10798 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10799 (start_sequence_for_rtl_expr): Remove.
10800 (push_topmost_sequence): Don't save sequence_rtl_expr.
10801 (pop_topmost_sequence): Remove comment about not restoring it.
10802 (end_sequence): Don't set seq_rtl_expr.
10803 (init_emit): Don't initialize it.
10804 (mark_sequence_stack): Don't mark it.
10805 (mark_emit_status): Likewise.
10806 * except.c (protect_with_terminate): Use
10807 start_sequence_for_rtl_expr, not start_sequence.
10808 * expr.c (expand_expr, case RTL_EXPR): Don't call
10809 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10810 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10811 (preserve_rtl_expr_result): Remove.
10812 (free_temps_for_rtl_expr): Likewise.
10813 (pop_temp_slots): Likewise.
10814 (mark_temp_slot): Don't mark the rtl_expr.
10815 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10816 start_sequence_for_rtl_expr.
10818 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10820 * mkdeps.c, mkdeps.h: New files.
10821 * po/POTFILES.in: Add them.
10822 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10823 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10824 (mkdeps.o): New target.
10826 * cppfiles.c: Delete deps_output.
10827 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10828 OBJECT_SUFFIX, and base_name.
10829 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10830 the include hash.
10831 (initialize_dependency_output): Use deps_init,
10832 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10833 all the unnecessary string bashing.
10834 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10835 level.
10836 * cpplib.c (do_include): Use deps_add_dep.
10837 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10838 deps_allocated_size, deps_size, deps_column members with
10839 single pointer to a struct deps. Delete prototype of
10840 deps_output.
10842 * cppinit.c: Fix thinko in previous patch.
10844 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10846 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10847 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10848 (mode_for_size_tree): New function.
10849 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10850 * tree.h (mode_for_size_tree): New declaration.
10852 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10854 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10856 * stmt.c (is_body_block): Move...
10857 * dwarfout.c, dwarf2out.c: ...from here.
10858 * tree.h: Declare it.
10859 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10860 * final.c (final_start_function): Do call remove_unnecessary_notes
10861 when scheduling.
10863 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10865 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10867 * cpplib.h (_dollar_ok): New macro.
10868 (is_idchar, is_idstart): Use it.
10869 (IStable): Rename to _cpp_IStable. Declare it const if
10870 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10871 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10872 is_space): Update for renamed IStable.
10874 * cppinit.c: Delete all references to FAKE_CONST and CAT
10875 macros. Define init_IStable as empty macro if gcc >=2.7 or
10876 C99. Change TABLE() to ISTABLE and hardcode name of table.
10877 (cpp_start_read): Don't change the IStable based on
10878 dollars_in_ident.
10880 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10881 changed. Handle '$' for char1 correctly.
10882 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10884 * cppexp.c (tokentab2): Make const.
10885 (cpp_lex): Make toktab const.
10886 * cppinit.c (include_defaults_array): Make const.
10887 (initialize_standard_includes): Make default_include const.
10889 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10891 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10892 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10893 (gen_decl_die): Likewise.
10894 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10895 (output_decl): Likewise.
10897 * varasm.c (make_function_rtl): If we change the name used in the
10898 rtl, update DECL_ASSEMBLER_NAME accordingly.
10899 (make_decl_rtl): Likewise.
10901 * toplev.c (rest_of_compilation): Tweak formatting.
10903 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10904 remove_unnecessary_notes.
10905 (debug_ignore_block): New fn.
10906 * toplev.h: Declare it.
10907 * emit-rtl.c (remove_unncessary_notes): Call it.
10908 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10909 * dwarf2out.h: Declare it.
10910 * final.c (final_start_function): Don't call remove_unnecessary_notes
10911 if we did insn scheduling.
10913 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10915 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10916 * cpplib.h: Delete SET_CPP_PEDANTIC.
10918 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10920 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10921 result is a RECORD_TYPE.
10923 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10925 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10927 2000-03-03 Richard Henderson <rth@cygnus.com>
10929 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10930 addition over compliments over shifts.
10932 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10934 * reload1.c (reload_combine_note_use): Handle return register USEs.
10935 REG case: Handle multi-hard-register hard regs.
10937 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10939 * md.texi: Document use of '*' in insn pattern name.
10941 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10943 * calls.c (special_function_p): operator new may not be malloc-like.
10945 * gcse.c (dump_hash_table): Really fix error in last change.
10947 2000-03-02 Denis Chertykov <denisc@overta.ru>
10949 * avr.c (print_operand): Use print_operand_address instead of
10950 output_addr_const.
10951 * avr/libgcc.S: Cleanup code.
10953 2000-03-02 Richard Henderson <rth@cygnus.com>
10955 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10957 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10959 * tree.h (TYPE_ALIGN_UNIT): New macro.
10961 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10963 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10965 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10967 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10968 for the buffer.
10969 (SET_CPP_PEDANTIC): New macro.
10970 * cpplib.c (do_include): Don't bother checking system_header_p.
10971 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10972 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10974 * function.h (struct expr_status): Add x_arg_space_so_far.
10975 (arg_space_so_far): New macro.
10976 * expr.c (init_expr): Initialize it.
10977 * calls.c (emit_call_1): Reset it.
10978 (compute_argument_block_size, expand_call): Use it.
10979 (expand_call, store_one_arg): Increment it.
10981 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10983 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10984 a UNION_TYPE.
10986 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10988 * cppfiles.c (cpp_read_file): New function.
10990 * cpphash.c (collect_expansion): Make sure to reset last_token
10991 to NORM when we hit a string. Handle trailing whitespace
10992 properly when the expansion is empty.
10993 (create_definition): Disable line commands while parsing the
10994 directive line.
10995 (dump_definition): If pfile->lineno == 0, output a line
10996 command ahead of the dump, and add a trailing newline.
10998 * cppinit.c (append_include_chain): Add fifth argument, which
10999 indicates whether or not system headers are C++ aware.
11000 (initialize_standard_includes): New function,
11001 broken out of read_and_prescan. Pass 'cxx_aware' value from
11002 the include_defaults_array on to append_include_chain.
11003 (dump_special_to_buffer): Const-ify char array.
11004 (builtin_array): Don't dump __BASE_FILE__.
11005 (cpp_start_read): Use cpp_read_file. Reorder code for
11006 clarity. Don't output line commands here for -D/-A/-U
11007 switches. Don't call deps_output for files included with
11008 -include or -imacros.
11010 * cpplib.c (do_define): Don't pay any attention to the second
11011 argument.
11012 (cpp_expand_to_buffer): Disable line commands while scanning.
11013 (output_line_command): Work in the file buffer.
11014 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
11015 Fix formatting of comments. Prototype cpp_read_file.
11017 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11019 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
11020 reference the language-equivalent of sizetype.
11021 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
11022 * fold-const.c (size_binop, size_diffop): Put back checks.
11023 * gcse.c (dump_hash_table): Fix minor error in last change.
11024 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
11025 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
11026 all sizetypes.
11028 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
11030 * calls.c (expand_call) Do not attempt to combine stack adjustments
11031 with inhibit_defer_pop set.
11033 2000-03-01 Mark Mitchell <mark@codesourcery.com>
11035 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
11036 the DECL_SIZE for a FIELD_DECL.
11038 2000-03-01 Bruce Korb <bkorb@gnu.org>
11040 * fixinc/inclhack.tpl: remove unused symlinks
11041 * fixinc/README: GCC Maintainer info
11042 * fixinc/inclhack.sh: regen
11043 * fixinc/fixincl.sh: regen
11045 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
11047 * cpphash.c (collect_expansion): Trim trailing white space
11048 from macro definitions, but don't go past the last insertion
11049 point.
11051 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
11053 * i386.md (mulqi3): New pattern.
11055 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
11057 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
11058 token types.
11059 (struct cpp_reader): Add parsing_if_directive and
11060 parsing_define_directive flags.
11061 (struct cpp_options): Remove output_conditionals flag.
11062 (check_macro_name): Delete prototype.
11064 * cpphash.h (struct macrodef): Delete.
11065 (struct reflist): Separate from struct definition.
11066 (struct definition): Remove unused fields. Add column number.
11067 (create_definition): Returns a DEFINITION *. Takes a
11068 cpp_reader * and an int.
11070 * cpphash.c (SKIP_WHITE_SPACE): Delete.
11071 (PEEKC): Copy defn from cpplib.c.
11072 (rest_extension, REST_EXTENSION_LENGTH): Delete.
11073 (struct arg): New.
11074 (struct arglist): Simplify.
11075 (collect_expansion): Rewrite. Get tokens by calling
11076 cpp_get_token. Add more error checking.
11077 (collect_formal_parameters): New function, broken out of
11078 create_definition and reworked to use get_directive_token.
11079 (create_definition): All real work is now in collect_expansion
11080 and collect_formal_parameters. do_define handles finding the
11081 macro name. Return a DEFINITION, not a MACRODEF.
11082 (macroexpand): Replace bcopy with memcpy throughout. Replace
11083 character-at-a-time copy loop with memcpy and pointer increments.
11084 (compare-defs): d1->argnames / d2->argnames might be null.
11086 * cpplib.c (copy_rest_of_line): Delete function.
11087 (skip_rest_of_line): Do all the work ourselves.
11088 (skip_string): New function.
11089 (parse_string): Use skip_string.
11090 (get_macro_name): New function.
11091 (check_macro_name): Delete.
11092 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
11093 (cpp_skip_hspace): Use CPP_BUMP_LINE.
11094 (handle_directive): ICE if we're called on a macro buffer.
11095 (do_define): Determine macro name and type (funlike/objlike)
11096 here. Expunge all uses of MACRODEF.
11097 (cpp_push_buffer): Set line_base to NULL.
11098 (do_undef, read_line_number): Don't worry about getting a POP token.
11099 (eval_if_expression): Set/reset parsing_if_directive around
11100 cpp_parse_expr. Don't clear only_seen_white.
11101 (skip_if_group): Remove output_conditionals logic. Use
11102 skip_rest_of_line.
11103 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
11104 tokens under appropriate conditions.
11105 (cpp_unassert): Call do_unassert not do_assert. Oops.
11107 * cppexp.c (parse_defined): New function, break out of
11108 cpp_lex.
11109 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
11110 ourselves, with cpp_defined.
11111 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
11113 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
11114 * gcc.dg/strpaste-2.c: New.
11116 2000-02-29 Mark Mitchell <mark@codesourcery.com>
11118 * fold-const.c (size_binop): Don't asert inputs are the same and
11119 have TYPE_IS_SIZETYPE set.
11120 (size_diffop): Likewise.
11122 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
11124 * dwarfout.c (output_block): Output abstract blocks even if they
11125 don't have TREE_ASM_WRITTEN set.
11127 * calls.c (emit_library_call): Check for null REG.
11129 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
11131 * c-decl.c (current_function_decl): Move to toplev.c.
11132 (init_decl_processing): Don't add current_function_decl as a ggc
11133 root here.
11134 * dbxout.c (dbxout_symbol): Change return type to int.
11135 (dbxout_symbol_location, dbxout_syms): Likewise.
11136 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
11137 any locals. Use current_function_func_begin_label if set.
11138 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
11139 * dwarf2out.c (dwarf2out_begin_prologue): Set
11140 current_function_func_begin_label.
11141 * final.c (final_start_function): Reset it.
11142 * toplev.c (current_function_decl): Define it here.
11143 (current_function_func_begin_label): New variable.
11144 (main): Add both as ggc roots.
11145 * tree.h (current_function_func_begin_label): Declare.
11147 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11149 * gcse.c: Cleanups throughout: mostly white-space, but also
11150 some minor rearrangement of code.
11152 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
11154 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
11155 returns a PARALLEL. Use emit_group_load and use_group_regs
11156 as needed.
11157 (emit_library_call_value): Similarly.
11159 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
11160 * pa/quadlib.asm: Remove.
11161 * pa/quadlib.c: New file.
11163 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
11164 * configure: Rebuilt.
11166 2000-02-29 Philip Blundell <pb@futuretv.com>
11168 * config/arm/conix-elf.h: New file.
11169 * configure.in (arm*-*-conix*): New configuration.
11170 * configure: Regenerate.
11172 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
11174 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
11175 don't have TREE_ASM_WRITTEN set.
11177 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11179 * Eliminate DECL_FIELD_SIZE.
11180 * builtins.c (built_in_class_names, built_in_names): New variables.
11181 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
11182 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
11183 DECL_SIZE, not DECL_FIELD_SIZE.
11184 * print-tree.c (print_node): Remove code that prints extra blank
11185 lines in some cases.
11186 Properly handle inline and builtin function cases.
11187 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
11188 * tree.h (built_in_class_named, built_in_names): New declarations.
11189 (union tree_decl): Rename internal unions to u1 and u2 and change
11190 some of their components.
11191 Add new field built_in_class.
11192 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
11193 Reflect above changes.
11194 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
11195 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
11196 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
11197 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
11199 2000-02-28 Dmitri Makarov <dim@windriver.com>
11201 * extend.texi: Document ARM's support for long/short calls.
11203 * invoke.texi: Document ARM's -mlong-calls command line switch.
11205 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
11206 (arm_encode_call_attribute): Add prototype.
11207 (arm_set_default_type_attribute): Add prototype.
11208 (arm_strip_name_encoding): Add prototype.
11210 * config/arm/arm.c (arm_init_cumulative_args): replace
11211 initialisation og 'long_calls' field with initialisation of
11212 'call_cookie' field.
11213 (enum arm_pragma_enum): New enum.
11214 (arm_pragma_long_calls): New static variable.
11215 (arm_process_pragma): Also process "#pragma long_calls_off".
11216 (arm_valid_type_attribute_p): Accept short_call attribute.
11217 (arm_comp_type_attributes): Check long/short call attributes.
11218 (arm_encode_call_attribute): New function: Encode long_call
11219 or short_call attribute in function name.
11220 (arm_set_default_type_attributes): New function: Assign
11221 default attributes to newly defined type.
11222 (current_file_function_operand): New function: Return true if
11223 the symbol is a function which has already been compiled.
11224 (arm_is_longcall_p): New function: Return true if the
11225 indicated function should be called via a long call.
11226 (arm_get_strip_length): New function. Returns number of
11227 prefix characters to be stripped from a function's name.
11228 (arm_strip_name_encoding): New function. Strip prefix characters
11229 from a function's name.
11231 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
11232 with 'call_cookie'.
11233 (SHORT_CALL_FAG_CHAR): Define.
11234 (LONG_CALL_FAG_CHAR): Define.
11235 (ENCODED_SHORT_CALL_ATTR_P): Define.
11236 (ENCODED_LONG_CALL_ATTR_P): Define.
11237 (ARM_NAME_ENCODING_LENGTHS): Define.
11238 (STRIP_NAME_ENCODING): Define.
11239 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
11240 (ARM_ENCODE_CALL_TYPE): Define.
11241 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
11242 (ARM_DECLARE_FUNCTION_SIZE): Define.
11243 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
11245 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
11246 if a long call is needed.
11247 (call_value): Ditto.
11248 (call_symbol): Ditto.
11250 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
11251 ARM_DECLARE_FUNCTION_SIZE.
11253 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
11254 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
11255 (ARM_STRIP_NAME_ENCODING): Undefine.
11256 (STRIP_NAME_ENCODING): Undefine.
11257 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
11258 (ASM_DECLARE_FUNCTION_NAME): Ditto.
11259 (ASM_OUTPUT_COMMON): Ditto.
11260 (ASM_DECLARE_OBJECT_NAME): Ditto.
11262 * config/arm/pe.c (arm_dllexport_name_p): Check for
11263 ARM_PE_FLAG_CHAR.
11264 (arm_dllimport_name_p): Ditto.
11265 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
11266 (arm_mark_dllimport): Ditto.
11268 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11270 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
11272 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11274 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11276 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11278 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11279 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11280 NO_BUILTIN_WCHAR_TYPE is not defined.
11281 (CPP_WCHAR_TYPE): Delete.
11282 * cccp.c (main): Don't change wchar_type if cplusplus.
11283 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11285 2000-02-28 Nick Clifton <nickc@cygnus.com>
11287 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11289 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11291 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11292 (ASM_WEAKEN_LABEL): Define.
11294 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11296 * expr.c (store_constructor): Do not emit USE.
11297 * rtl.h (stupid_life_analysis): Remove.
11299 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11301 * function.c (number_blocks): Reset next_block_index based on
11302 what debugging format is used, not what is defined.
11304 * lcm.c: Minor reformatting throughout.
11305 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11307 * toplev.c (rest_of_compilation): Account for time in
11308 optimize_mode_switching.
11310 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11311 if only marking labels.
11313 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11315 * calls.c (expand_call): Attempt to combine stack adjustments with
11316 pending stack adjustments.
11318 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11320 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11321 to the end of the function.
11323 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11325 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11326 blocks.
11327 * final.c (next_block_index): Remove.
11328 (max_block_depth): Likewise.
11329 (pending_blocks): Likewise.
11330 (init_final): Don't initialize them.
11331 (final_start_function): Don't set next_block_index. Set up
11332 BLOCK_NUMBER.
11333 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11334 * function.h (number_blocks): New function.
11335 * function.c (get_block_vector): New function.
11336 (identify_blocks): Use it.
11337 (reorder_blocks): Set NOTE_BLOCK.
11338 (number_blocks): New function.
11339 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11340 * tree.h (BLOCK_NUMBER): New macro.
11341 (tree_block): Add block_num field.
11342 * dbxout.c (next_block_number): Remove.
11343 (dbxout_init): Don't set it.
11344 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11345 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11346 block numbers.
11347 * toplev.c (rest_of_compilation): Always call
11348 find_loop_tree_blocks. Fix indentation.
11349 * dwarf2out.c (next_block_number): Remove.
11350 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11351 to determine block numbers.
11352 (gen_inlined_subroutine_die): Likewise.
11353 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11354 (decls_for_scope): Don't increment next_block_number.
11355 * dwarfout.c (next_block_number): Remove.
11356 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11357 to determine block numbers.
11358 (output_inlined_subroutine_die): Likewise.
11359 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11360 (output_decls_for_scope): Don't increment next_block_number.
11361 * sdbout.c (next_block_number): Remove.
11362 (sdbout_block): Use BLOCK_NUMBER.
11363 (sdbout_begin_block): Simplify.
11364 * xcoffout.c (next_block_number): Remove.
11365 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11366 (xcoffout_begin_block): Don't set next_block_number.
11367 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11368 next_block_number.
11370 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11372 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11373 (expand_builtin_strcpy): Pass correct type to size_binop.
11374 (expand_builtin_strcmp): Likewise.
11375 Clean up conditional structure.
11376 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11377 (complete_array_type): Don't use size_binop for MAXINDEX.
11378 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11379 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11380 (c_alignof): Use size_one_node.
11381 (build_unary_op): Pass arg of proper type to size_binop.
11382 (really_start_incremental_init, push_init_level): Use sizetype for
11383 constructor{,_bit,_unfilled}_index.
11384 (pop_init_label, output_init_element): Likewise.
11385 (output_pending_init_elements, process_init_element): Likewise.
11386 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11387 * expr.c (store_expr): Use size_int.
11388 (store_constructor): Use proper types for size_binop args.
11389 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11390 (expand_expr_unaligned): Likewise.
11391 (string_contant): Return object of sizetype.
11392 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11393 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11394 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11395 * fold-const.c (int_const_binop): Refine when size_int is called.
11396 (fold_convert): Likewise.
11397 (size_int_wide): Rework to take KIND as arg, only take low order
11398 bits, handle new sizetype_tab datatype, and chain entries in
11399 size_table.
11400 (size_int_type_wide): New function.
11401 (size_binop): Validate types of arguments.
11402 (ssize_binop): Deleted.
11403 (size_diffop): New function.
11404 (extract_muldiv): Only fold division into multiplication for sizetypes.
11405 * function.c (assign_parms): Use size_diffop and make sure
11406 VAR field is of ssizetype; also pass proper type to size_binop.
11407 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11408 (round_down): Deleted from here.
11409 * store-layout.c (sizetype_tab): Now an array.
11410 (sizetype_set, early_root_list): New variables.
11411 (variable_size): Use size_one_node.
11412 (round_up): Pass proper type to size_binop.
11413 (round_down): Moved to here and corrected as above.
11414 (layout_record): Pass proper arg types to size_binop.
11415 (layout_type): Likewise.
11416 If sizetype_set is zero, record the type just laid out.
11417 (make_unsigned_type): Don't call set_sizetype;
11418 (make_signed_type): Likewise; also, call fixup_signed_type.
11419 (initialize_sizetypes): New function.
11420 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11421 set name of bitsizetype to "bit_size_type".
11422 Fix up type of sizes of all types made before call.
11423 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11424 * tree.c (fix_sizetype): Deleted.
11425 (build_common_tree_nodes): Call initialize_sizetypes.
11426 (build_common_tree_nodes_2): Don't call fix_sizetype.
11427 * tree.h (TYPE_IS_SIZETYPE): New macro.
11428 (initialize_sizetype): New declaration.
11429 (enum size_type_kind): New type.
11430 (struct sizetype_tab): Deleted.
11431 (sizetype_tab): Now array; adjust sizetype macros.
11432 (size_diffop, size_int_type_wide): New functions.
11433 (size_int_wide): Change number of args and type; access macros changed.
11434 (ssize_int, sbitsize_int): New macros.
11435 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11436 (ROUND_TYPE_SIZE_UNIT): New macro.
11438 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11440 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11442 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11444 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11445 Mark as possibly unused.
11447 * cse.c (cse_insn): Delete dead code involving tablejump.
11448 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11450 * Makefile.in (libcpp.a): Start by deleting it.
11452 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11454 * cpplib.h (enum file_change_code): Added rename_file.
11455 * cpplib.c (do_line): If a filename is given, set file_change to
11456 rename_file.
11457 (output_line_command): If file_change is rename_file, always
11458 output a # directive with the file name.
11460 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11462 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11464 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11465 when copying a PARM_DECL or RESULT_DECL.
11467 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11469 * fix-header.c (recognized_function): Also fix prototypes for
11470 functions taking "void".
11472 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11474 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11475 looking at reg_reloaded_contents.
11477 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11479 * Makefile.in (STMP_FIXINC): New toggle.
11480 (LIBGCC2_DEPS): Delete all references.
11481 (stmp-headers): Delete target. All references either deleted
11482 or changed to stmp-int-headers.
11483 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11484 (LIBCPP_OBJS): Take out cppalloc.o.
11485 (cppalloc.o): Delete target.
11486 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11487 (gen-protos, fix-header): Link with libiberty.a.
11488 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11489 to empty.
11491 * configure.in: Remove refs to strerror.
11492 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11493 * system.h: Take out strerror stanza.
11495 * cpperror.c (my_strerror): Delete function.
11496 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11497 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11498 * cppalloc.c: Delete file.
11499 * gen-protos.c: Don't provide xrealloc.
11501 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11502 xstrerror throughout.
11504 2000-02-26 Bruce Korb <bkorb@gnu.org>
11506 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11507 match for DOS headers, too.
11508 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11510 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11512 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11513 is right for most ELF targets.
11514 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11515 Let the default file use %U properly.
11516 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11517 default.
11519 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11520 numbers.
11522 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11524 * toplev.c (documented_lang_options): Correct spelling error.
11525 (decode_d_option, decode_f_option, main): Likewise.
11527 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11529 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11530 to tell assembler it is permitted to expand large constants.
11532 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11534 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11535 (aux_info_suffix): Use.
11536 (SAVE_SUFFIX): New macro.
11537 (save_suffix): Use.
11538 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11539 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11540 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11542 * invoke.texi (Running Protoize): Update documentation.
11544 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11546 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11548 2000-02-25 John Wehle (john@feith.com)
11550 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11552 2000-02-25 Anthony Green <green@cygnus.com>
11554 * toplev.c (rest_of_compilation): Rebuild jump labels if
11555 combine_instructions has created a new direct jump.
11556 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11557 when appropriate.
11558 (combine_instructions): Call try_combine with new argument.
11559 Return non-null value when new direct jump instruction is created.
11560 * rtl.h: combine_instructions returns an int.
11562 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11564 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11565 jump when changing a computed jump into a jump to a known
11566 target.
11568 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11570 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11571 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11573 * i386.md (define_expand "clrstrsi"): Fix typo.
11575 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11577 * rtl.texi: Fix typo.
11579 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11581 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11582 UNITS_PER_WORD. Change caller initial_elimination_offset.
11583 (rounded_frame_size): Take into account that argument pushed has
11584 changed. Fix TARGET_ALIGN_DOUBLE problem.
11586 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11588 * haifa-sched.c (schedule_block): Explain the real reason
11589 we delete REG_SAVE_NOTEs on the first insn of a block.
11590 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11592 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11594 * input.h (push_srcloc): New function.
11595 (pop_srcloc): Likewise.
11596 * toplev.c (push_srcloc): Define it.
11597 (pop_srcloc): Likewise.
11599 2000-02-24 Richard Henderson <rth@cygnus.com>
11601 * flow.c (life_analysis): When collecting reg info, clear
11602 regs_ever_live.
11604 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11606 Fix bug exposed by reload.c no longer rounding the frame
11607 size to BIGGEST_ALIGNMENT:
11608 * sh.c (rounded_frame_size): New function.
11609 (sh_expand_prologue, sh_expand_epilogue): Use it.
11610 (initial_elimination_offset): Likewise.
11612 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11614 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11615 * sh-protos.h (sh_need_epilogue): Declare.
11616 * sh.c (sh_need_epilogue_known): New static variable.
11617 (sh_need_epilogue): New function.
11618 (function_epilogue): Clear need_epilogue_known.
11619 * sh.md (return): Split into expander / insn pattern.
11620 Make the expander conditional on ! sh_need_epilogue ().
11622 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11624 * machmode.h (get_mode_alignment): Declare.
11625 (GET_MODE_ALIGNMENT): Call it.
11626 * stor-layout.c (get_mode_alignment): New function. Make
11627 sure alignment is always power of 2.
11629 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11631 * i386.h: Remove useless definition of "I386" and misleading
11632 comment above it.
11634 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11636 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11637 under which TREE_PERMANENT will be set.
11638 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11639 build1): Use TREE_SET_PERMANENT.
11640 * print-tree.c (print_node): Don't report value of
11641 TREE_PERMANENT if ggc_p is true.
11643 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11644 decide whether to give a type a new alias set.
11645 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11646 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11647 of value of 'obstack'.
11650 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11652 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11654 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11656 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11657 * cpplib.c (cpp_get_token): Produce them.
11658 * cppexp.c (cpp_lex): Handle them.
11660 2000-02-23 Nick Clifton <nickc@cygnus.com>
11662 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11663 comment tests on type attributes.
11665 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11667 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11668 conform to documentation.
11669 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11670 to check for special cases.
11671 * sh-protos.h (sh_loop_align): Declare.
11672 * sh.c (sh_loop_align): Define.
11674 2000-02-22 Andrew Haley <aph@cygnus.com>
11676 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11677 (SIZE_TYPE): Is 32 bits when using -mgp32.
11678 (PTRDIFF_TYPE): Ditto.
11680 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11682 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11684 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11686 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11687 BIGGEST_FIELD_ALIGNMENT a constant.
11689 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11691 * dwarf2out.c (output_line_info): Put the marker for the end of
11692 the line number info at the actual end.
11693 (gen_struct_or_union_type_die): Use decl_function_context
11694 to check for local classes.
11695 * dwarfout.c (output_type): Likewise.
11697 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11699 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11700 for arguments with a mode, but no type.
11701 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11702 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11703 * pa/long_double.h: New file.
11704 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11705 both have 128bit wide long doubles.
11706 * configure: Rebuilt.
11708 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11710 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11712 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11713 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11714 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11716 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11718 * integrate.c (compare_blocks, find_block): Likewise.
11720 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11722 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11724 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11725 expand_asm_operands): Likewise.
11727 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11729 * predict.c (estimate_probability): Added the pointer heuristic to
11730 the collection of static branch predictors.
11732 2000-02-21 Catherine Moore <clm@cygnus.com>
11734 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11735 * invoke.texi (-mfix7000): Document.
11737 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11739 * diagnostic.c (init_output_buffer): Make it possible to output at
11740 least 32 characters if we're given a too long prefix.
11742 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11744 * varasm.c (initializer_constant_valid_p): Call
11745 lang_expand_constant to simplify the constant.
11747 2000-02-20 Bruce Korb <bkorb@gnu.org>
11749 * fixinc/inclhack.def(stdio_va_list):
11750 typedef needs to be disabled.
11751 * fixinc/inclhack.sh: regen
11752 * fixinc/fixincl.x: regen
11754 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11756 * print-rtl.c (print_rtx): Don't print addresses when
11757 flag_dump_unnumbered.
11759 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11761 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11762 ATTRIBUTE_UNUSED.
11763 (sparc_va_arg, sparc_flat_output_function_prologue,
11764 sparc_flat_output_function_epilogue): Cast value to unsigned in
11765 comparison.
11766 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11768 * sparc.md: Add default case in switch.
11770 2000-02-19 Richard Henderson <rth@cygnus.com>
11772 * c-typeck.c (add_pending_init): Don't abort for multiple
11773 fields at the same offset.
11774 (pending_init_member): Test the correct member.
11776 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11778 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11779 instead of SImode.
11780 (start_catch_handler) : Same.
11782 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11784 * Makefile.in: Have flow.o depend on $(EXPR_H)
11786 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11788 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11789 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11790 (finish_decl): Remove -Wlarger-than code from here.
11791 * flags.h (id_clash_len): Now int.
11792 (larger_than_size): Now HOST_WIDE_INT.
11793 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11794 Clean up checking to see if in table.
11795 (make_bit_field_ref): Remove extra parm to bitsize_int.
11796 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11797 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11798 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11799 and for computing size of decl.
11800 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11801 Move -Wlarger-than code to here.
11802 (layout_record): Remove extra arg to bitsize_int.
11803 Set TYPE_BINFO_SIZE_UNIT.
11804 (layout_union): Remove extra arg to bitsize_int.
11805 Use proper type for size of QUAL_UNION.
11806 (layout_type): Remove extra arg to bitsize_int.
11807 * toplev.c (id_clash_len): Now int.
11808 (larger_than_size): Now HOST_WIDE_INT.
11809 (decode_W_option): Clean up id-clash and larger-than- cases.
11810 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11811 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11812 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11813 (struct tree_decl): New field size_unit.
11814 (size_int_wide): No HIGH operand; NUMBER is now signed.
11815 (size_int_2): Deleted.
11816 (size_int, bitsize_int): Don't use it and rework args.
11817 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11819 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11821 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11823 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11825 * invoke.texi (Warning Options): Add an explanation of why
11826 you might want the -Wfloat-equal flag.
11828 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11830 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11831 * cppinit.c (new_pending_define): Add cast to avoid warning.
11832 * expmed.c (extract_bit_field): Likewise.
11833 * flow.c (enum reorder_skip_type): New type.
11834 (skip_insns_between_blcok): New it.
11835 Rework to avoid warning about possibly undefined variable.
11836 * function.c (assign_parms): Make thisparm_boundary unsigned.
11837 * genrecog.c (write_switch): Cast XWINT result to int.
11838 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11839 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11840 one for MIPS and one for Alpha.
11841 (get_tag, copy_object): Add casts to avoid warnings.
11842 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11843 * reload.c (find_reloads): Make TYPE enum reload_type.
11844 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11845 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11846 * varasm.c (compare_constant_1): Add cast to avoid warning.
11847 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11848 to (char *).
11849 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11850 Cast switch operand of size to int.
11851 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11852 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11853 in unhandled case.
11855 2000-02-18 Nick Clifton <nickc@cygnus.com>
11857 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11858 anything for an alignment of zero.
11860 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11861 anything for an alignment of zero.
11863 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11865 * gcc.texi (Bug Reporting): Refer to bugs.html.
11866 (Bug Lists): Likewise.
11867 * system.h (GCCBUGURL): New preprocessor define.
11868 * rtl.c (fancy_abort): Use it.
11869 * gcc.c (main): Likewise.
11871 2000-02-18 Richard Henderson <rth@cygnus.com>
11873 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11874 (life_analysis_1): Subsume into ...
11875 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11876 Use update_life_info for the relaxation.
11877 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11878 entry and regs_live_at_setjmp.
11879 (set_noop_p): Simplify.
11880 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11881 (record_volatile_insns): Split into ...
11882 (delete_noop_moves): ... here,
11883 (notice_stack_pointer_modification): ... here,
11884 (insn_dead_p): ... and here.
11885 (propagate_block): Don't query INSN_VOLATILE.
11886 (mark_used_regs): Mind !PROP_REG_INFO.
11887 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11888 not in life_analysis.
11890 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11892 * loop.c (canonicalize_condition): New function,
11893 broken out of get_condition.
11894 (get_condition): Use it.
11895 * expr.h (canonicalize_condition): Prototype it.
11897 * tree.h (tree_int_cst_msb): Declare.
11898 * tree.c (tree_int_cst_msb): New function.
11900 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11902 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11903 isn't set.
11905 * invoke.texi (-fmessage-length=n): Document.
11907 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11909 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11911 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11913 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11914 after the prologue.
11916 2000-02-17 Nick Clifton <nickc@cygnus.com>
11918 * config/arm/thumb.c: Replace includes of system headers with
11919 #include "system.h".
11921 2000-02-16 Richard Henderson <rth@cygnus.com>
11923 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11924 Add crtbeginS.o and crtendS.o.
11925 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11926 (ENDFILE_SPEC): Use crtendS.o.
11927 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11929 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11930 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11931 shared and present.
11932 (__dso_handle): New variable.
11933 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11934 bias to __CTOR_END__.
11936 2000-02-16 Richard Henderson <rth@cygnus.com>
11938 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11940 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11942 * longlong.h (__clz_tab): Declare as static to match definition.
11944 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11946 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11947 (XREF_FILE_NAME): Define.
11949 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11950 (EH_FRAME_SECTION_ASM_OP): Define.
11951 (IDENT_ASM_OP): Define.
11952 (TEXT_SECTION_ASM_OP): Define.
11953 (CPP_SPEC): Define.
11954 (CTORS_SECTION_ASM_OP): Define.
11955 (CTOR_SECTION_FUNCTION): Use it.
11956 (DTORS_SECTION_ASM_OP): Define.
11957 (DTOR_SECTION_FUNCTION): Use it.
11959 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11961 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11962 NOTE_BASIC_BLOCK.
11964 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11965 debug_bb_n): New functions.
11966 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11967 * basic-block.h: Prototype new functions.
11969 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11971 * configure.in: Add support for avr target.
11972 * configure: Rebuilt.
11974 * invoke.texi: Add AVR invocation docs.
11975 * install.texi: Add information about AVR.
11976 * md.texi: Add AVR constraint letters description.
11977 * extend.texi: Add description for AVR specific attributes.
11979 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11981 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11983 2000-02-16 Nick Clifton <nickc@cygnus.com>
11985 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11986 (make_insn_raw): Move RTL check here.
11988 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11990 * version.c: Include gansidecl.h and version.h.
11992 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11994 * configure.in (gcc_version): When setting, narrow search to
11995 lines containing `version_string'.
11997 * Makefile.in (mainversion): Likewise.
11998 (GCC_H): New variable.
11999 (gcc.h): Delete target.
12000 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
12001 (version.o): Depend on version.h.
12002 (dbxout.o): Don't depend on gcc.h.
12004 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
12005 Michael Meissner <meissner@cygnus.com>
12007 * md.texi (Simple Constraints): Add item about whitespace.
12008 * genoutput.c (strip_whitespace): New.
12009 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
12010 strip_whitespace for constraints.
12011 Test pointer using NULL, not 0.
12013 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12015 * cpplib.c (do_line): Pedwarn for #line > 32767.
12017 * c-lex.c (readescape): Warn about '\x', but do not reject it.
12019 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
12021 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
12022 to default cpp spec.
12023 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
12024 * cpp.texi: Document __GNUC_PATCHLEVEL__.
12025 * cpp.1: Likewise.
12027 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
12028 default spec.
12030 2000-02-15 Denis Chertykov <denisc@overta.ru>
12032 * configure.in: Add support for avr target.
12034 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12036 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
12037 (sh_addr_diff_vec_mode): Don't declare.
12038 * sh.c (sh_addr_diff_vec_mode): Delete.
12040 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12042 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
12044 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12046 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
12047 (smulsi3_highpart_i): Name.
12048 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
12049 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
12050 (smulsi3_highpart, umulsi3_highpart): Likewise.
12052 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
12053 correctly independent of endianness.
12054 (mulsidi3, umulsidi3): Now define_insn. Hide details that
12055 confuse the optimizers.
12056 (mulsidi3+1, umulsidi3+1): New define_split.
12058 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
12060 * config/sh/sh.md: Guard insn splits against illegal registers.
12061 * config/sh/sh.h: Correct comment about macros.
12063 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12064 Andrew MacLeod <amacleod@cygnus.com>
12066 * Makefile.in (lcm.o): Depend on insn-attr.h.
12067 * basic-block.h (optimize_mode_switching): Declare.
12068 * lcm.c (tm_p.h, insn-attr.h): #include.
12069 (seginfo, bb_info): New structs.
12070 (antic, transp, comp, delete, insert) : New file-scope static variables.
12071 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
12072 (reg_becomes_live, optimize_mode_switching): Likewise.
12073 * tm.texi: Add description of mode switching macros.
12074 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
12076 * sh-protos.h (remove_dead_before_cse): Remove prototype.
12077 (fldi_ok, fpscr_set_from_mem): New prototypes.
12078 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
12079 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
12080 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12081 (sh_flag_remove_dead_before_cse): Remove declaration.
12082 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
12083 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
12084 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
12085 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
12086 (barrier_align): Allow for JUMP_INSNS containing a parallel.
12087 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
12088 (fldi_ok): New function.
12089 (get_fpscr_rtx): Add fpscr_rtx as GC root.
12090 (emit_sf_insn): Only generate fpu switches when optimize < 1.
12091 (emit_df_insn): Likewise.
12092 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
12093 (sh_flag_remove_dead_before_cse): Delete.
12094 (get_free_reg, fpscr_set_from_mem): New functions.
12095 * sh.md (movdf, movsf): Remove no_new_pseudos code.
12096 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
12098 2000-02-15 Loren Rittle <ljrittle@acm.org>
12100 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
12102 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12104 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
12105 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
12107 * cccp.c: Include version.h and/or don't declare `version_string'.
12108 * collect2.c: Likewise.
12109 * alpha.c: Likewise.
12110 * arm/aof.h: Likewise.
12111 * arm/coff.h: Likewise.
12112 * arm/elf.h: Likewise.
12113 * arm/pe.h: Likewise.
12114 * arm/tcoff.h: Likewise.
12115 * arm/telf.h: Likewise.
12116 * arm/tpe.h: Likewise.
12117 * arm/vxarm.h: Likewise.
12118 * convex/convex.c: Likewise.
12119 * i386/dgux.c: Likewise.
12120 * i386/sun386.h: Likewise.
12121 * m88k/m88k.c: Likewise.
12122 * mcore/mcore-pe.h: Likewise.
12123 * mips/mips.h: Likewise.
12124 * romp/romp.h: Likewise.
12125 * sh/sh.c: Likewise.
12126 * cpphash.c: Likewise.
12127 * cppinit.c: Likewise.
12128 * dwarf2out.c: Likewise.
12129 * dwarfout.c: Likewise.
12130 * gcc.c: Likewise.
12131 * gcc.h: Likewise.
12132 * mips-tfile.c: Likewise.
12133 * protoize.c: Likewise.
12134 * toplev.c: Likewise.
12135 * tree.h: Likewise.
12137 * version.c (version_string): Constify a char*.
12139 * version.h: New file.
12141 2000-02-14 Nick Clifton <nickc@cygnus.com>
12143 * configure.in: Add mcore-elf and mcore-pe targets.
12144 * configure: Regenerate.
12146 * NEWS: Add note that MCore port has been contributed.
12148 * invoke.texi: Document command line switches for MCore port.
12149 * install.texi: Add MCore to list of supported targets.
12151 2000-02-14 Geoff Keating <geoffk@cygnus.com>
12153 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
12154 then we will need to import the frame handling functions.
12155 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
12156 to import the frames themselves.
12158 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
12159 Jason Eckhardt <jle@cygnus.com>
12161 * basic_block.h: Added prototype for reorder_basic_blocks.
12162 * toplev.c: Changes to add -freorder-blocks and graph dump after
12163 block reordering is done.
12164 * flow.c (reorder_block_def): New structure for use during block
12165 reordering.
12166 (REORDER_BLOCK_*): New macros to access members of above structure.
12167 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
12168 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
12169 functions for block reordering.
12171 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
12173 * gcc.texi (Passes): Fix typo.
12174 * md.texi (Standard Names): Ditto.
12175 * tm.texi (Storage Layout): Ditto.
12177 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12179 * cpplib.c (do_define): Only free the old definition if it
12180 actually had one.
12182 2000-02-13 Neil Booth <NeilB@earthling.net>
12184 * cppfiles.c (read_and_prescan): When emitting deferred
12185 newlines, test speccase[] again instead of checking each
12186 possible whitespace character in turn. When we encounter \r,
12187 look behind for \n first, then ahead.
12189 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
12191 * cse.c (cse_altered): New internal flag.
12192 (cse_insn): Set it if we changed an insn.
12193 (cse_main): Clear cse_altered before each basic block.
12194 Only garbage collect if cse_altered is true afterward.
12196 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12198 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
12200 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
12202 * combine.c (simplify_comparison): Fix typo.
12204 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
12206 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
12207 consistently.
12209 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12211 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
12212 previously inserted node instead of root node. Caller changed.
12214 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12216 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
12218 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12220 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
12221 __dereg_frame_dtor): Add prototype argument.
12223 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
12225 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
12227 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
12229 * gthr-vxworks.h (__gthread_once): Likewise.
12231 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
12233 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
12235 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
12236 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
12237 stack pointer in functions w/o saved registers, output LEAVE more often
12238 on TARGET_USE_LEAVE machines.
12240 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
12242 * config/arm/arm.c (arm_init_cumulative_args); New function:
12243 Initlaise the CUMULATIE_ARGS strcuture for a function
12244 defintion.
12245 (arm_function_arg): New function: Determine where to place a
12246 function's argument. Also handles deciding the function's
12247 call cookie.
12248 (current_file_function_operand): New function: Return true if
12249 the symbol is a function which has already been compiled.
12250 (arm_is_long_call_p): New function: Return true if the
12251 indicated function should be called via a long call.
12252 (arm_valid_type_attribute_p): New function: Return true if the
12253 attribute is a valid, arm specific, attribute.
12254 (arm_comp_type_attribute): New function: Return true if the
12255 two types have compatable, arm specific, attributes.
12257 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
12258 structure.
12259 (FUNCTION_ARG): Redefine to call arm_function_arg.
12260 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
12261 structure field.
12262 (INIT_CUMULATIVE_ARGS): Redefine to call
12263 arm_init_cumulative_args.
12264 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
12265 field.
12266 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
12267 field.
12268 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
12269 functions.
12270 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
12271 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
12272 (COMP_TYPE_ATTRIBUTES): Define.
12274 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12275 if a long call is needed.
12276 (call_value): Call arm_is_long_call_p to decide if a long call
12277 is needed.
12278 (call_symbol): Call arm_is_long_call_p to decide if a long call
12279 is needed.
12281 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12283 2000-02-11 Denis Chertykov <denisc@overta.ru>
12285 * README.AVR: New file with information about the avr ports.
12286 * config/avr: New directory with avr port files.
12288 2000-02-11 Andreas Jaeger <aj@suse.de>
12290 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12292 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12294 * cpphash.c: Fix formatting, update commentary.
12295 (dump_definition): Take three separate arguments instead of a
12296 MACRODEF structure argument.
12297 * cpphash.h: Update prototype of dump_definition.
12298 * cppinit.c (cpp_finish): Update call of dump_definition.
12300 * cpplib.c (do_define): Always create new hash entry with
12301 T_MACRO type. Remove redundant check for redefinition of
12302 poisoned identifier. Update call of dump_definition.
12303 (do_undef): Don't call check_macro_name. Rename sym_length to
12304 len.
12305 (do_error, do_warning): Don't use copy_rest_of_line or
12306 SKIP_WHITE_SPACE.
12307 (do_warning): Don't use pedwarn for the actual warning,
12308 only the notice about its not being in the standard. (Fixes
12309 bug with #warning in system headers.)
12310 (do_ident): Stricter argument checking - accept only a single
12311 string after #ident. Also, macro-expand the line.
12312 (do_xifdef): Use cpp_defined. De-obfuscate.
12314 (do_pragma): Split out specific pragma handling to separate
12315 functions. Use get_directive_token. Update commentary. Do
12316 not pass on #pragma once or #pragma poison to the front end.
12317 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12318 do_pragma_default): New.
12320 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12322 * jump.c (jump_optimize_1): The first operand in a relational
12323 can be a CONST_INT.
12324 * optabs.c (emit_conditional_move): Handle relationals which
12325 have a known true/false result.
12327 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12329 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12330 a RETURN insn into a block which already ends with a jump.
12332 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12334 * haifa-sched.c (BUF_LEN): Increase a lot.
12336 2000-02-11 Nick Clifton <nickc@cygnus.com>
12338 * configure.in: Add tm_p_file specification for thumb targets.
12339 * configure: Regenerate.
12341 * config/arm/thumb-protos.h: New file: Prototypes for exported
12342 functions defined in thumb.c.
12344 2000-02-11 Robert Lipe <robertl@sco.com>
12346 * Makefile.in (bootstrap-lean): Remove additional files.
12347 (bootstrap2-lean): Likewise.
12348 (VOL_FILES): List of files for above.
12350 2000-02-11 Nathan Sidwell <nathan@acm.org>
12352 * cpphash.c (special_symbol): Remove spurious argument to
12353 cpp_lookup.
12355 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12357 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12358 stanzas.
12359 * configure: Rebuilt.
12361 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12363 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12365 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12367 * pa.c, pa.h: Remove trigraph sequences within comments.
12369 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12371 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12373 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12375 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12377 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12379 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12381 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12383 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12384 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12385 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12386 (ASM_FILE_END): Use c4x_file_end.
12387 * config/c4x/c4x.c (c4x_global_label): New function.
12388 (c4x_external_ref, c4x_file_end): Likewise.
12390 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12391 (c4x_external_ref, c4x_end_file): Likewise.
12393 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12395 * cppexp.c: Don't include cpphash.h.
12396 (parse_charconst, cpp_lex): Use cpp_defined.
12397 (cpp_lex): Use get_directive_token throughout. Remove
12398 unnecessary cases from switch. Move assertion-handling code
12399 down to OTHER case.
12400 (cpp_parse_expr): If we see '+' or '-', check the context to
12401 determine if they are unary or binary operators. Streamline
12402 the jumps a bit. Do not call skip_rest_of_line.
12404 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12405 static. Export get_directive_token. Update commentary.
12406 (cpp_defined): New function.
12407 (do_define): Remove reference to T_PCSTRING. Call
12408 free_definition to release memory for old definition, when
12409 redefining a macro.
12410 (eval_if_expression): Set only_seen_white to 0 before calling
12411 cpp_parse_expr. Call skip_rest_of_line after it returns.
12412 (cpp_read_check_assertion): Don't preserve a pointer into the
12413 token buffer across a call to cpp_get_token.
12415 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12416 * cppfiles.c (redundant_include_p): Use cpp_defined.
12417 * cpphash.c (free_definition): New function.
12418 (delete_macro): Use it. Update commentary.
12419 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12420 free_definition.
12421 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12422 from enum node_type. Prototype cpp_defined and get_directive_token.
12423 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12425 * fix-header.c (check_macro_names): Use cpp_defined.
12426 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12427 the options structure.
12429 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12431 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12433 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12435 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12436 rather than die->die_tag.
12438 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12440 * combine.c (make_extraction, force_to_mode): Avoid warning on
12441 mixed-signedness conditionals.
12442 (make_field_assignment, nonzero_bits): Likewise.
12443 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12444 (store_split_bit_field, extract_split_bit_field): Likewise.
12445 (extract_fixed_bit_field, store_bit_field,
12446 * expr.c: Change alignment to be unsigned everywhere.
12447 (move_by_pieces, store_constructor_field, store_constructor):
12448 Alignment parm is unsigned.
12449 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12450 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12451 (do_compare_rtx_and_jump): Likewise.
12452 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12453 Compare align with GET_MODE_ALIGNMENT.
12454 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12455 (get_inner_reference): Likewise.
12456 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12457 (expand_assignment): Local vars for alignment now unsigned.
12458 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12459 (do_compare_and_jump): Likewise.
12460 (store_field): Call new function expr_align.
12461 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12462 Alignment arg now unsigned.
12463 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12464 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12465 (extract_bit_field): Likewise.
12466 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12467 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12468 (get_best_mode): Alignment arg is unsigned.
12469 * rtl.h (move_by_pieces): Likewise.
12470 * store-layout.c (maximum_field_alignment, set_alignment):
12471 Now unsigned.
12472 (layout_decl): Alignment arg is now unsigned.
12473 Remove unneeded casts.
12474 (layout_record, layout_union, layout_type): Remove unneeded casts.
12475 Local alignment variables now unsigned.
12476 (get_best_mode): Alignment arg now unsigned.
12477 * tree.c (expr_align): New function.
12478 * tree.h (expr_align): Likewise.
12479 (maximum_field_alignment, set_alignment): Now unsigned.
12480 (get_inner_reference): Alignment argument is now pointer to unsigned.
12481 * varasm.c (assemble_variable): Add cast to eliminate warning.
12483 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12485 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12486 then store directly into op0.
12488 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12489 the CALL_INSN, and emit the note immediately after it.
12491 2000-02-10 Nick Clifton <nickc@cygnus.com>
12493 * config/arm/thumb.md (epilogue): Include a (return) in the
12494 generated insn, and emit it using emit_jump_insn not
12495 emit_insn.
12497 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12499 * function.c (assign_temp): Change zero-sized arrays to size 1.
12500 * integrate.c (expand_inline_function): Do not update
12501 stack_alignment_needed
12502 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12503 add some sanity checking, remove optimization for function with
12504 zero frame size.
12506 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12508 * flow.c (mark_regs_live_at_end): Delete unused variables.
12510 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12512 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12513 in macro FRAME_GROWS_DOWNWARD.
12515 * stmt.c (expand_end_bindings): Delete unused variable.
12517 * unroll.c (iteration_info): Mark parameter `loop' with
12518 ATTRIBUTE_UNUSED.
12520 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12522 * fixinc/server.c (load_data): Return NULL if the marker line is
12523 not found.
12524 (run_shell): If load_data returns NULL, retry the command once, in
12525 a new shell.
12527 * configure: Rebuilt.
12529 2000-02-09 Bruce Korb <bkorb@gnu.org>
12531 * gcc/fixincludes: ** DELETED **
12532 * gcc/fixcpp: ** DELETED **
12533 * gcc/fixinc-nt.sed: ** DELETED **
12534 * gcc/just-fixinc: ** DELETED **
12535 * gcc/Makefile.in: Removed out-dated commentary
12536 * gcc/configure.in: Removed fast-fixincludes disablement.
12537 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12539 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12540 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12541 last change.
12543 2000-02-09 Richard Henderson <rth@cygnus.com>
12545 * jump.c (delete_insn): Don't delete user labels at -O0.
12547 2000-02-09 Robert Lipe <robertl@sco.com>
12549 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12550 Don't link with HOST_LIBS.
12552 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12554 * configure.in: Correct --help text for --with-dwarf2.
12555 Put tm-dwarf2.h after other tm files, if it's requested.
12556 * configure: Regenerate.
12557 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12558 defining it.
12560 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12562 * cpplib.h: Provide HASHNODE typedef and forward decl of
12563 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12564 DEFINITION, struct hashnode, struct macrodef, struct
12565 definition, scan_decls prototype, default defn of
12566 INCLUDE_LEN_FUDGE moved elsewhere.
12568 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12569 definition, and struct hashnode moved here. Remove the unused
12570 'predefined' field from struct definition. Replace the 'args'
12571 union with its sole member. All users updated (cpphash.c).
12572 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12573 multiple include guard.
12575 * cpphash.c (hashf): Make static; use better algorithm; drop
12576 HASHSIZE parameter; return an unsigned int.
12577 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12578 used. Calculate HASHSIZE modulus here.
12579 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12580 here.
12581 (create_definition): Drop PREDEFINITION parameter.
12582 * cpplib.c (do_define): Don't calculate a hash value here.
12583 Don't pass (keyword == NULL) to create_definition.
12585 * scan.h: Prototype scan_decls here.
12586 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12587 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12588 callers of cpp_lookup and cpp_install updated.
12590 * cpphash.c (macarg): Hoist all the flag diddling out of the
12591 function...
12592 (macroexpand): ... and out of the loop that calls macarg.
12593 Skip over the initial paren before macro arguments with
12594 cpp_get_non_space_token; point may be some distance before
12595 that paren. Abort if it's not there.
12597 * cpplib.c (parse_clear_mark): Delete function.
12598 (parse_set_mark, parse_goto_mark): Make static.
12599 (ACTIVE_MARK_P): New macro.
12600 (skip_block_comment, skip_line_comment): Do not bump the line
12601 if ACTIVE_MARK_P is true.
12602 (cpp_pop_buffer): The buffer to be popped may not have an
12603 active mark.
12604 (cpp_get_token): When looking for the initial paren before
12605 macro arguments, only set a mark in a file buffer, Always
12606 return to that mark before proceeding to call macroexpand or
12607 return a NAME token.
12609 * cpplib.h: Remove prototypes of parse_set_mark,
12610 parse_clear_mark, parse_goto_mark.
12611 (struct cpp_options): Rename 'put_out_comments' to
12612 'discard_comments' and invert its sense.
12613 * cppinit.c, cpphash.c, cpplib.c: All users of
12614 put_out_comments changed to use discard_comments, with
12615 opposite sense.
12617 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12619 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12620 the edge from a block that both jumps and falls through to the
12621 fallthru block.
12623 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12625 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12626 constant source address is legitimate.
12628 2000-02-09 Philip Blundell <pb@futuretv.com>
12630 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12631 correctly.
12633 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12634 generating PIC.
12635 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12637 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12639 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12640 ends with a newline and a NUL. Don't be so clever manipulating
12641 strings.
12643 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12645 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12646 not to BIGGEST_ALIGNMENT.
12648 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12650 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12651 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12652 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12653 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12654 * frame.c (execute_cfa_insn): Handle
12655 DW_CFA_GNU_negative_offset_extended.
12657 2000-02-08 Richard Henderson <rth@cygnus.com>
12659 * flow.c (tidy_fallthru_edges): Split out from ...
12660 (delete_unreachable_blocks): ... here.
12661 (find_basic_blocks): Use it.
12663 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12665 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12667 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12669 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12670 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12671 (fix-header.o): Don't depend on cpphash.h.
12673 * scan.c (hashstr): New function.
12674 * scan.h: Prototype it.
12675 * fix-header.c: Don't include cpphash.h. Use hashstr.
12676 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12677 hashstr. Report hash table statistics. Add private
12678 definition of xrealloc.
12680 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12682 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12684 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12686 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12687 jumps with returns unless they are jumps to the fallthru block.
12689 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12691 * i386.md (addqi3_cc): Fix contraints.
12693 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12695 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12697 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12699 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12700 carriage return after a macro name.
12702 2000-02-07 Fred Fish <fnf@be.com>
12704 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12705 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12707 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12709 * cppfiles.c (deps_output): Count spacers in deps_column.
12711 2000-02-07 Neil Booth <NeilB@earthling.net>
12713 * cppinit.c (initialize_dependency_output): If there is no
12714 suffix, don't try to look for known suffixes. Use strrchr.
12715 (cpp_start_read): Remove duplicate initialization.
12717 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12719 * calls.c (compute_argument_block_size): New argument
12720 preferred_stack_boundary.
12721 (expand_call): update cfun->preferred_stack_boundary, update call of
12722 compute_argument_block_size
12723 (emit_library_call): Increate cfun->preferred_stack_boundary
12724 to PREFERRED_STACK_BOUNDARY
12725 (emit_library_call_value): Likewise.
12726 * explow.c (allocate_dynamic_stack_spave): Likewise.
12727 * function.c (prepare_function_start): Set
12728 cfun->preferred_stack_boundary
12729 * function.h (struct function): Add preferred_stack_boundary field.
12730 * integrate.c (expand_inline_function): Update
12731 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12732 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12733 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12735 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12737 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12738 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12739 cpp_pedwarn, cpp_pedwarn_with_line,
12740 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12741 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12742 v_cpp_error_with_line, v_cpp_warning_with_line,
12743 cpp_message_from_errno, cpp_perror_with_name): Delete.
12745 * cpperror.c (cpp_print_containing_files): Take starting
12746 buffer as argument.
12747 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12748 (v_cpp_message): Now called directly by all entry points.
12749 Remove -1 case.
12750 (cpp_pfatal_with_name, cpp_message): Delete.
12751 (cpp_notice_from_errno, cpp_ice): New functions.
12752 (cpp_notice): Is now for reporting error conditions, just
12753 without an associated file.
12754 (cpp_error, cpp_error_with_line): Don't do anything if
12755 opts->inhibit_errors is on.
12756 (cpp_pedwarn_with_file_and_line): Take column argument also.
12758 * cpplib.h: Update prototypes of exported functions.
12759 (struct cpp_options): Add inhibit_errors.
12761 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12762 non-error messages. Include intl.h.
12764 * cppinit.c, cppmain.c: Likewise. Also, use
12765 cpp_notice_from_errno instead of cpp_perror_with_name or
12766 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12768 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12769 report internal errors.
12771 * cpplib.c (do_define): Switch bcopy to memcpy.
12772 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12774 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12775 bail out early if we hit a line comment.
12777 2000-02-06 Richard Henderson <rth@cygnus.com>
12779 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12780 * basic-block.h: Declare them.
12781 * emit-rtl.h (active_insn_p): New.
12782 (next_active_insn, prev_active_insn): Use it.
12783 * rtl.h: Declare it.
12784 * function.c (emit_return_into_block): New.
12785 (thread_prologue_and_epilogue_insns): Insert return insns instead
12786 of epilogues when possible.
12787 * jump.c (jump_optimize_1): Remove code to insert a return insn
12788 on the fallthru to the exit block.
12790 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12791 and for non-empty stack frames.
12792 * i386.md (return): Expand to return-pop as needed.
12794 2000-02-06 Richard Henderson <rth@cygnus.com>
12796 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12797 constant to op1 for testing.
12799 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12801 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12802 (fixuns_truncqfqi2): Use it.
12804 2000-02-06 Richard Henderson <rth@cygnus.com>
12806 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12807 as a TYPE_LEA insn.
12809 * i386.md (widening and peepholes): Mask the constant instead of
12810 using gen_lowpart.
12812 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12814 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12815 input pointer before possibly branching off to the backslash
12816 code.
12817 * cpphash.c (macroexpand): Correctly delete \r escapes when
12818 stringifying parameters.
12819 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12820 if we can; bail out early if we hit a line comment.
12821 (handle_directive): Treat '# 123' in an .S file just like
12822 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12823 Return 1 for '# not_a_directive'.
12824 (get_directive_token): Pop macro buffers here, so that
12825 cpp_get_token can't sneakily move past a newline.
12826 Add sanity checks.
12827 (cpp_get_token): goto randomchar if handle_directive returns 0.
12829 * cppalloc.c: Update copyright.
12830 * cpplib.c: Merge all the static function prototypes into one
12831 block.
12832 * cpplib.h: Remove #if 0 block.
12834 * cpperror.c: Remove #ifdef EMACS block.
12835 * cppmain.c: Likewise.
12836 * cpphash.c: Remove #if 0 blocks.
12837 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12838 * cpplib.c: Remove #if 0 blocks and code referencing
12839 pcp_inside_if or for_lint. Remove duplicate error message.
12840 Fix error messages for #else after #else or #elif. Reformat.
12841 Remove archaic TODO list.
12842 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12844 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12846 * i386/osf1elf.h: Add missing backslash to multiline string.
12848 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12850 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12852 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12854 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12856 * c-common.c: Include expr.h.
12858 * c-pragma.c (mark_align_stack): Add prototype.
12860 * caller-save.c (add_stored_regs): Likewise.
12862 * combine.c (record_promoted_value): Likewise.
12864 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12865 Likewise.
12867 * cppinit.c (new_pending_define): Likewise.
12869 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12871 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12872 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12873 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12874 class_scope_p): Likewise.
12876 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12877 dwarf2out_add_library_unit_info): Likewise.
12879 * ggc.h (ggc_page_print_statistics): Likewise.
12881 * haifa-sched.c (propagate_deps): Likewise.
12883 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12885 * rtl.h (set_stack_check_libfunc): Likewise.
12887 * toplev.h (set_fatal_function): Likewise.
12889 * toplev.c (set_fatal_function): Delete prototype.
12891 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12893 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12895 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12896 (FUNC_END): Likewise.
12898 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12900 * caller-save.c: Include tm_p.h.
12902 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12904 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12906 2000-02-04 Neil Booth <NeilB@earthling.net>
12908 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12909 it to strcmp.
12911 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12913 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12914 * genflags.c: Use the max_operand_1 logic from genemit.c to
12915 calculate how many arguments gen_insn prototypes have. Remove
12916 NO_MD_PROTOTYPES ifdefs from the generated file.
12917 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12918 file. Cast gen_insn initializers to insn_gen_fn.
12919 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12920 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12922 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12924 * fixinc/Makefile.in (HDR): Add machname.h.
12925 (clean): Likewise.
12927 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12929 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12930 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12931 (c4x_cpu_version): Ditto.
12932 * config/c4x/c4x-protos.h: ... here.
12934 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12936 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12937 gen_abstract_function on our context if we're a nested function.
12939 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12941 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12942 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12944 2000-02-04 Bruce Korb <bkorb@gnu.org>
12946 * fixinc/genfixes(machname.h):
12947 Move the functionality from gen-machine.h into this file.
12948 UNdef MN_NAME_PAT if there are no names to change.
12949 Also, be a little kinder when AutoGen is not present.
12951 * fixinc/Makefile.in(machname.h):
12952 Change the generation rule to use genfixes.
12954 * fixinc/fixfixes.c(machine_name):
12955 machine_name_fix's functionality now dependent upon whether
12956 MN_NAME_PAT is defined.
12958 * fixinc/fixtests.c(machine_name):
12959 ditto.
12961 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12962 of MN_NAME_PAT.
12964 * fixinc/fixlib.h(mn_get_regexps):
12965 ditto
12967 * fixinc/gen-machine.h: DELETED
12969 2000-02-04 Jan Hubicka <jh@suse.cz>
12970 Richard Henderson <rth@cygnus.com>
12972 * i386.c (SAVE_REGS_FIRST): Remove.
12973 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12974 (ix86_compute_frame_size): Likewise.
12975 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12976 (ix86_emit_restore_regs): Remove.
12977 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12978 when a frame pointer is in use.
12979 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12980 instead of pop to restore a register when profitable; emit leave
12981 when profitable.
12982 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12983 as a TYPE_LEA insn.
12984 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12985 * i386.md (prologue_allocate_stack): Remove.
12986 (epilogue_deallocate_stack): Remove.
12987 (pro_epilogue_adjust_stack): New.
12989 2000-02-04 Richard Henderson <rth@cygnus.com>
12991 * function.c (diddle_return_value): Rework to use a callback function.
12992 Use current_function_return_rtx if it's been set up.
12993 (do_clobber_return_reg, clobber_return_register): New.
12994 (do_use_return_reg, use_return_register): New.
12995 (expand_function_end): Use them.
12996 * stmt.c (expand_null_return): Likewise.
12997 * function.h: Declare them.
12998 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12999 (mark_reg): Change arguments as appropriate for callback.
13000 * integrate.c (expand_inline_function): Revert 19 Jan change.
13002 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
13004 * tm.texi (Values in Registers): Fix typo: "fo" "for".
13005 (Misc): Say the scheduler, not the Haifa scheduler.
13007 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
13009 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
13010 when in_mem is set. Update all callers.
13012 2000-02-04 Richard Henderson <rth@cygnus.com>
13014 * i386/openbsd.h (INT_ASM_OP): Define.
13016 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
13018 * tm.texi: Fix various typos.
13020 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
13022 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
13023 (MD_STARTFILE_PREFIX_1): New macro.
13025 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
13027 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
13028 destination when needed.
13029 (strmovsi, strsetsi): New expander.
13030 (strmovsi_1, strsetsi_1): New pattern.
13031 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
13032 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
13033 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
13034 * invoke.texi (align-stringops, inline-all-stringops): Document.
13036 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
13038 * i386/netbsd.h (INT_ASM_OP): Define.
13040 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
13042 * cpplib.h (cpp_reader): Add new flag, no_directives.
13043 * cpphash.c (macarg): Set it.
13044 * cpplib.c (handle_directive): If no_directives is on and we
13045 find a directive, issue an error and discard the line.
13047 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
13049 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
13050 FP constants. Add ! TARGET_FPU check for FP constants.
13052 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
13054 * flow.c (find_basic_blocks): Don't kill label_value_list
13055 here.
13056 (cleanup_cfg): Kill it here.
13058 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13060 * expr.c (store_field): Ensure ALIGN is no stricter than the
13061 alignment of EXP.
13063 2000-02-02 Richard Henderson <rth@cygnus.com>
13065 * jump.c (delete_insn): Partially revert 19 Jan change;
13066 don't convert unused code labels to notes at -O0.
13068 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13070 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
13071 split_all_insns to recreate REG_LABEL notes for flow2 pass.
13073 2000-02-01 Richard Henderson <rth@cygnus.com>
13075 * i386.c (general_no_elim_operand): New.
13076 (nonmemory_no_elim_operand): New.
13077 (ix86_expand_move): Copy eliminable operands before a push.
13078 * i386-protos.h: Declare new functions.
13079 * i386.h (CAN_ELIMINATE): Simplify.
13080 (PREDICATE_CODES): Update.
13081 * i386.md (push insns): Don't allow eliminable register operands.
13083 2000-02-01 Richard Henderson <rth@cygnus.com>
13085 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
13086 replace BLKmode with DECL_RTL's mode.
13088 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
13090 * frame.c (find_fde): Convert for loop to do-while so compiler
13091 sees it's always executed at least once.
13092 * libgcc2.c (BBINBUFSIZE): Kill.
13093 (__bb_init_prg): Use fgets.
13094 (__bb_exit_trace_func): Don't paste strings.
13095 * unroll.c (unroll_loop): Initialize unroll_type, not
13096 unroll_number, and tweak logic to match.
13098 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
13099 all failure paths.
13100 (ix86_flags_dependant): Likewise. Disentangle control flow.
13101 (ix86_sched_reorder): Break guts out to
13102 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
13103 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
13104 any possible use.
13106 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
13107 use string concatenation. Don't save and restore esi.
13109 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
13110 (machname.h): Remove script to separate file. Use two-step
13111 sequence so target is not created if script fails.
13112 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
13113 identifiers are defined.
13114 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
13115 an empty string, machine_name doesn't need to do anything at
13116 all.
13117 (is_cxx_header): Add more cases to regexp.
13118 * fixinc/fixlib.h: Update prototype.
13119 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
13120 mn_get_regexps.
13121 * fixinc/fixincl.c: Define NO_BOGOSITY.
13123 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
13124 (hp_sysfile): Add missing comma.
13125 (math_exception): Put the wrapper ifdefs at the beginning and
13126 the end of the file.
13127 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
13129 2000-02-01 Richard Henderson <rth@cygnus.com>
13131 * sparc.c (fp_zero_operand): Turn into a normal predicate.
13132 Use CONST0_RTX. Update all callers.
13133 * sparc.h, sparc-protos.h: Update accordingly.
13134 * sparc.md (fp mov insns): Use fp_zero_operand directly
13135 where applicable.
13137 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13139 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
13140 example.
13142 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13144 * Makefile.in (specs.ready): New target.
13145 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
13147 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13149 * fixinc.irix: Use unique filenames for writing into /tmp,
13150 * fixinc.ptx: Likewise.
13151 * fixinc.sco: Likewise.
13152 * fixinc.svr4: Likewise.
13153 * fixinc.winnt: Likewise.
13155 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13157 * tsystem.h: New file.
13159 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
13160 s-crtS): Depend on tsystem.h.
13162 * crtstuff.c: Include tsystem.h.
13163 * frame.c: Likewise.
13164 * libgcc2.c: Likewise.
13166 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
13168 * builtins.c (expand_builtin_memset): Expand for variable sized
13169 lengths too.
13171 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
13173 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
13174 on ABI.
13176 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
13178 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
13180 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
13182 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
13184 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
13185 case 3->2 combining (combining with splitting) in which 2 is CC0
13186 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
13187 checked at the begining of the function with the aid of calling
13188 function 'can_combine_p'.
13190 2000-01-31 Dave Brolley <brolley@redhat.com>
13192 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
13194 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
13196 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
13197 new label.
13199 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13201 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
13203 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
13204 PROTO -> PARAMS.
13206 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13208 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
13209 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
13210 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
13211 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
13212 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
13213 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
13214 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
13215 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
13216 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
13217 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
13219 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
13220 Add %(cpp_cpu) to CPP_SPEC.
13222 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
13223 Add %(cc1_cpu) to CC1_SPEC.
13225 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13227 * c-decl.c (c_decode_option): Accept optional numeric argument to
13228 -Wformat and set warn_format.
13229 * c-common.c: Don't emit warning about non-constant printf format
13230 string unless warn_format > 1.
13232 2000-01-30 Richard Henderson <rth@cygnus.com>
13234 * alpha.md (return_internal): Allow after reload only.
13236 2000-01-30 Richard Henderson <rth@cygnus.com>
13238 * i386.c (ix86_compute_frame_size): Omit padding1 if the
13239 local frame size is zero.
13241 2000-01-30 Richard Henderson <rth@cygnus.com>
13243 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
13244 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
13245 * alpha.md (return): Turn into an expander.
13246 (return_internal): Don't use $26.
13247 (epilogue): Emit the return insn.
13249 2000-01-30 Richard Henderson <rth@cygnus.com>
13251 * alpha.md (negtf2, abstf2): Fix word order thinko.
13252 (extendsftf2): New.
13253 (trunctfsf2): Avoid intermediate rounding errors.
13255 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
13257 * cppfiles.c (find_position): Drop 'colp' argument, return the
13258 new line base.
13259 (read_and_prescan): Adjust to match. Don't ever manipulate
13260 line or line_base except via find_position.
13262 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13264 * c-parse.in: Apply Ulrich's changes from c-parse.y.
13265 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
13266 Regenerate.
13268 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
13270 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
13271 just print "<command line>". If 'filename' is null or an
13272 empty string, print "<stdin>" for the filename.
13273 * cpplib.c (do_define): Don't print the 'location of the
13274 previous definition' message if we're still parsing the
13275 command line.
13276 (cpp_pedwarn_with_file_and_line): Always call
13277 cpp_file_line_for_message.
13279 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13281 * flow.c (mark_regs_live_at_end): Fix typo.
13283 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13285 * c-common.c: Adjust variable names, comments, help strings to c99.
13286 * c-lex.c: Likewise.
13287 * c-parse.y: Likewise.
13288 * c-tree.h: Likewise.
13289 * cccp.c: Likewise.
13290 * cpplib.h: Likewise.
13291 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13292 * cppinit.c: Likewise.
13294 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13296 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13297 * c4x.c: Define the optab rtx values.
13298 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13299 (c4x_emit_libcall): Use new optab rtx values.
13300 (c4x_emit_libcall3): Likewise.
13301 (c4x_emit_libcall_mulhi): Likewise.
13302 * c4x-protos.h: Add prototypes for optab rtx values and change
13303 prototypes for above c4x_emit_libcall functions.
13305 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13307 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13308 syntax is used.
13309 (c4x_function_prologue): Use regnames intead of float_reg_names when
13310 TI syntax is used.
13311 (c4x_function_epilogue): Likewise.
13312 (c4x_print_operand): Likewise.
13313 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13314 * c4x.md (set_high): Disable for TARGET_TI.
13316 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13318 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13319 of framepointer + constant to ADDR_REGS class.
13320 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13321 * c4x.c (std_or_reg_operand): New function.
13322 * c4x-protos.h (std_or_reg_operand): Prototype it.
13324 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13326 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13327 object names as libgcc2.c.
13328 * libgcc.S: Use newly defined names.
13330 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13331 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13332 function.
13333 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13334 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13335 (FLOW_LOOP_LAST_BLOCK): Likewise.
13337 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13339 * basic-block.h (struct loop): New fields 'first' and 'last'.
13340 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13341 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13342 and loop->last to check for NOTE_INSN_LOOP_END.
13344 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13346 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13347 of the loop descriptor rather than HEADER and LATCH. Also added
13348 missing break statements as well making some coding style modifications
13349 as suggested by Michael Hayes.
13351 2000-01-28 Richard Henderson <rth@cygnus.com>
13353 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13354 Break out that code ...
13355 (cleanup_cfg): ... here.
13356 (commit_one_edge_insertion): Detect a return instruction being
13357 emitted to an edge. Emit a barrier following; clear fallthru.
13358 (commit_edge_insertions): Verify CFG consistency.
13359 * function.c (expand_function_start): Kill unused variable.
13360 (expand_function_end): Likewise.
13361 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13362 to insert the epilogue.
13364 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13365 (delete_null_pointer_checks): Likewise.
13366 * output.h: Likewise.
13367 * reg-stack.c (reg_to_stack): Likewise.
13368 * toplev.c (rest_of_compilation): Likewise. Run
13369 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13371 2000-01-28 Richard Henderson <rth@cygnus.com>
13373 * Makefile.in (flow.o): Revert 24 Jan change.
13374 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13375 FUNCTION_VALUE result to DECL_RESULT's mode.
13377 * haifa-sched.c (schedule_insns): Don't recompute reg info
13378 after reload.
13380 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13382 * configure.in: Make --enable-cpplib the default.
13383 * configure: Regenerate.
13384 * gcc.dg/990119-1.c: No longer expected to fail.
13386 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13388 * jump.c (jump_optimize_1): Delete an optimization that is also done
13389 by merge_blocks in flow.
13391 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13393 * diagnostic.c (build_message_string, output_printf,
13394 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13395 (build_location_prefix): Fix non-literal format string.
13397 2000-01-27 Richard Henderson <rth@cygnus.com>
13399 * alpha.md (trunctfsf2): New.
13401 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13403 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13405 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13407 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13408 -std=gnu89.
13409 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13410 out of...
13411 (skip_comment) ... here. Permit C++ comments in system
13412 headers always. Warn about C++ comments in user code under
13413 -std=gnu89 -pedantic.
13414 (copy_comment): Use skip_comment.
13415 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13416 return EOF.
13417 (consider_directive_while_skipping, do_else, do_endif): Call
13418 validate_else unconditionally.
13419 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13420 text after the conditional in a system header.
13421 * cpplib.h (struct cpp_buffer): Add flag
13422 warned_cplusplus_comments.
13424 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13426 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13427 Use unshare_all_rtl_1.
13428 (unshare_all_rtl_again): New function.
13429 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13431 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13432 rather than resetting the 'used' flags ourself.
13434 * toplev.c (rest_of_compilation): Add current_function_decl
13435 to the unshare_all_rtl call.
13436 * tree.h: Prototype unshare_all_rtl.
13437 * rtl.h: Prototype unshare_all_rtl_again here.
13439 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13441 * genoutput.c (output_prologue): Include ggc.h in generated
13442 files.
13443 * Makefile.in (insn-output.o): Depends on ggc.h.
13445 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13446 Hans-Peter Nilsson <hp@bitrange.com>
13448 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13449 Remove redundant include of xm-ns32k.h.
13450 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13451 Remove redundant include of xm-ns32k.h.
13452 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13453 Remove redundant include of xm-ns32k.h.
13454 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13456 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13457 (TARGET_SWITCHES): Add documentation strings.
13458 (DWARF_FRAME_REGNUM): Override default definition.
13459 (REG_CLASS_CONTENTS): Add comments.
13460 (SUBSET_P): Format to reduce line length.
13461 (SMALL_REGISTER_CLASSES): Make a run time option.
13462 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13463 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13464 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13465 (regclass_map): fix typo in comment.
13466 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13467 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13468 (trace, reg_or_mem_operand): Delete, unused function.
13469 (calc_address_cost): Small offsets are cheaper than large ones.
13470 (expand_block_move): Generate more efficient code when bytes is a
13471 known at compile time.
13472 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13473 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13474 instead of reg_or_mem_operand.
13476 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13477 not general_operand. Similarly use "=rm" or stricter, not "=g".
13478 For input operands, use stricter constraints than "g" if not
13479 general_operand. Similarly use stricter predicate than
13480 "general_operand" when stricter constraints than "g" are present,
13481 except for matching constraints.
13482 (movstrsi): Use "memory_operand" for operands 0 and 1.
13483 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13484 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13485 not reg_or_mem_operand.
13486 (udivmoddisi4): Ditto.
13487 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13488 Use nonimmediate_operand for operand 3, not register_operand.
13489 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13490 reg_or_mem_operand.
13492 2000-01-27 Fred Fish <fnf@be.com>
13494 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13495 * gthr-single.h: Likewise.
13496 * gthr-solaris.h: Likewise.
13497 * gthr-vxworks.h: Likewise.
13498 * gthr-win32.h: Likewise.
13499 * gthr.h: Likewise.
13501 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13503 * cppinit.c: Add " (cpplib)" to end of string printed by
13504 -v / --version.
13506 2000-01-27 Richard Henderson <rth@cygnus.com>
13508 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13509 testing for a signed comparison.
13510 (alpha_emit_floatuns): New.
13511 * alpha-protos.h: Declare it.
13512 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13513 (extendsfdf2): Tidy.
13515 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13517 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13518 no -g option specifying debugging format, default to -gstabs+.
13520 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13522 * calls.c (special_function_p): New argument fork_or_exec.
13523 (expand_call): When profile_arc_flag is set and the function
13524 is in the fork_or_exec group, call __bb_fork_func first.
13525 * libgcc2.c, _bb module (__bb_fork_func): New function.
13526 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13527 output file.
13528 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13529 * tree.h (special_function_p): Update prototype.
13531 2000-01-26 Richard Henderson <rth@cygnus.com>
13533 * alpha.c (alpha_split_tfmode_pair): New.
13534 * alpha-protos.h: Declare it.
13535 * alpha.md (abstf2, negtf2): New.
13536 (movtf insn): Add input G constraint.
13537 (movtf splitter): Use alpha_split_tfmode_pair.
13539 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13541 * i386/cygwin.h: PROTO -> PARAMS.
13543 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13545 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13546 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13547 using _Qp_cmp/_Q_cmp and testing the return value.
13548 (print_operand): Call reverse_condition_maybe_unordered if
13549 we are handling CCFPmode or CCFPEmode.
13550 Handle ORDERED, UN* and LTGT comparisons.
13551 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13552 if not TARGET_HARD_QUAD.
13553 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13554 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13555 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13556 Adjust gen_b* calls so that they reflect return comparison of
13557 sparc_emit_float_lib_cmp.
13559 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13561 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13562 incoming operands array is large enough for one more operand.
13563 (alpha_emit_xfloating_arith): Likewise.
13565 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13567 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13568 file with one line and no trailing newline.
13569 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13570 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13571 checking if the match is on the line.
13572 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13574 2000-01-25 Richard Henderson <rth@cygnus.com>
13576 * sparc.c (output_cbranch): Fix accidental squashing of the
13577 fp branch pre-delay nop.
13579 2000-01-25 Richard Henderson <rth@cygnus.com>
13581 * tree.def (UNNE_EXPR): Remove.
13582 * c-typeck.c (build_binary_op): Don't handle it.
13583 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13585 * rtl.def (UNNE): Remove.
13586 (LTGT): Add.
13587 * jump.c (reverse_condition): Update accordingly.
13588 (swap_condition): Likewise.
13589 (comparison_dominates_p): Handle unordered comparisons.
13590 (reverse_condition_maybe_unordered): New.
13591 * rtl.h (reverse_condition_maybe_unordered): Declare.
13593 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13594 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13595 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13596 * sparc.md (bltgt): New.
13598 2000-01-25 Nick Clifton <nickc@redhat.com>
13600 * emit-rtl.c (emit_insn): Only check machine class insns for
13601 improper emission of a RETURN.
13603 2000-01-25 Richard Henderson <rth@cygnus.com>
13605 * Makefile.in (flow.o): Depend on $(EXPR_H).
13606 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13607 duplicate the structure of diddle_return_value for keeping regs live.
13609 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13611 * loop.c (current_loop_info): Delete.
13612 (consec_sets_invariant_p): Add loop argument, update callers.
13613 (get_condition_for_loop): Likewise.
13614 (count_nonfixed_reads, update_giv_derive): Likewise.
13615 (simplify_giv_expr, general_induction_var): Likewise.
13616 (consec_sets_giv, recombine_givs): Likewise.
13617 (move_movables): Delete loop_start and loop_end arguments,
13618 add loop argument, and update callers.
13619 (find_mem_givs, check_final_value): Likewise.
13620 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13621 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13622 update callers.
13623 (basic_induction_var): Add loop argument, delete loop_level argument,
13624 and update callers.
13625 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13626 add loop argument, and update callers.
13627 (find_splittable_regs, find_splittable_givs): Likewise.
13628 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13629 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13630 (biv_total_increment): Delete loop_start and loop_end arguments;
13631 update callers.
13632 (precondition_loop_p): Delete loop_start and loop_info arguments;
13633 update callers.
13634 * loop.h (get_condition_for_loop): Add loop argument.
13635 (biv_total_increment): Delete loop_start and loop_end arguments.
13636 (precondition_loop_p): Delete loop_start and loop_info arguments;
13637 add loop argument.
13638 (final_biv_value): Delete loop_start and loop_end arguments;
13639 add loop argument.
13640 (final_giv_value, back_branch_in_range_p): Likewise.
13642 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13644 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13646 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13648 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13649 point to the new "generated_files" doc.
13651 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13653 * config/fp-bit.c (_unord_f2): Fix typo.
13655 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13657 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13658 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13659 functions obsoleted by GC, such as push_obstacks_nochange,
13660 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13661 and code which existed only to decide whether or not to call
13662 them. Remove now-unused NESTED argument from start_function;
13663 all callers changed. Do not change behavior based on ggc_p.
13664 The use of the ixp_obstack in c-iterate.c and the util_obstack
13665 in objc/objc-act.c remain; these are not obsoleted by garbage
13666 collection.
13667 * c-tree.h: Update prototype for start_function.
13669 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13671 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13673 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13674 mips16.
13676 2000-01-25 Richard Henderson <rth@cygnus.com>
13678 * sparc-protos.h (select_cc_mode): Declare.
13679 * sparc.c (select_cc_mode): New. Handle unordered compares.
13680 (output_cbranch): Always reverse via code change. Handle
13681 unordered compares. Factor tests and string updates.
13682 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13683 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13684 * sparc.md (bunordered, bordered): New.
13685 (bungt, bunlt, buneq, bunge, bunle): New.
13687 2000-01-25 Richard Henderson <rth@cygnus.com>
13689 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13690 * ggc-common.c (ggc_add_rtx_varray_root): New.
13691 (ggc_mark_rtx_varray): New.
13692 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13693 functions down below ggc_mark_foo.
13694 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13696 2000-01-25 Richard Henderson <rth@cygnus.com>
13698 * alpha.c (secondary_reload_class): Don't allocate a secondary
13699 for integral mode memories into FLOAT_REGS. Rearrange the more
13700 complicated memory expression inward.
13702 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13704 * inclhack.def: Fixes to play nicer with FreeBSD, and
13705 corrections to comments.
13706 (cxx_unready): Add select expression.
13707 (irix_sockaddr): Add bypass expression.
13708 (machine_ansi_h_va_list): New fix.
13709 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13710 Split out addition of "#include <stdarg.h>" to...
13711 (stdio_stdarg_h): ... here.
13712 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13713 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13714 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13715 size_t.
13716 (ultrix_ifdef): Tighten up select expression.
13718 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13719 re_ct and max_mach to avoid use of shell. Make printed names
13720 match names in inclhack.def. Use static copyright date.
13721 Don't count c_test and test expressions as requiring regex_t
13722 slots. Add some commentary.
13723 * inclhack.tpl: Do not include the 'This script contains N
13724 fixup scripts' line if PROGRAM is defined. Use static
13725 copyright date.
13727 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13729 * dwarf2out.c: include "varray.h", not dyn-string.h.
13730 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13731 (addr_const_to_string, addr_to_string): Lose.
13732 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13733 (struct dw_val_struct): val_addr is now an rtx.
13734 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13735 (used_rtx_varray): New varray.
13736 (dwarf2out_init): Initialize it.
13737 (save_rtx): New fn.
13738 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13739 addr_to_string.
13740 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13741 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13742 * Makefile.in (dwarf2out.o): Update dependencies.
13744 2000-01-24 Richard Henderson <rth@cygnus.com>
13746 * i386.c (i386_dwarf_output_addr_const): New.
13747 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13749 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13750 if defined.
13751 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13752 * i386.c (i386_simplify_dwarf_addr): New.
13753 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13755 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13757 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13758 TYPE_STUB_DECL is NULL.
13760 2000-01-24 Richard Henderson <rth@cygnus.com>
13762 * builtins.c (expand_tree_builtin): Move ...
13763 * c-common.c (expand_tree_builtin): ... here.
13765 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13767 * loop.h (LOOP_INFO): New accessor macro.
13768 * basic-block.h (struct loop): Rename field `info' to `aux'.
13769 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13770 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13771 * unroll.c (loop_iterations, unroll_loop): Likewise.
13773 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13775 * config/i386/t-cygwin: Accomodate new winsup directory layout
13776 when searching for include files.
13778 2000-01-24 Richard Henderson <rth@cygnus.com>
13780 * rtl.def: Add unordered fp comparisions.
13781 * tree.def: Likewise.
13782 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13784 * builtins.c (expand_tree_builtin): New function.
13785 * c-typeck.c (build_function_call): Use it.
13786 (build_binary_op): Support unordered compares.
13787 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13789 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13790 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13791 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13792 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13793 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13794 return UNKNOWN.
13795 (swap_condition): Handle unordered compares.
13796 (thread_jumps): Check can_reverse before reversing.
13797 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13798 reversed for FP.
13800 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13801 setcc is present before acking for cmp_optab. Update all callers.
13802 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13803 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13804 * expr.c (expand_expr): Likewise. Support unordered compares.
13805 (do_jump, do_store_flag): Likewise.
13806 * expr.h (enum libfunc_index): Add unordered compares.
13808 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13809 (DPBIT_FUNCS): Add _unord_df.
13810 * config/fp-bit.c (_unord_f2): New.
13811 * fp-test.c (main): Try unordered compare builtins.
13813 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13814 * alpha.c (alpha_comparison_operator): Check mode properly.
13815 (alpha_swapped_comparison_operator): Likewise.
13816 (signed_comparison_operator): Likewise.
13817 (alpha_fp_comparison_operator): New.
13818 (alpha_emit_conditional_branch): Handle unordered compares.
13819 * alpha.h (PREDICATE_CODES): Update.
13820 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13821 (bunordered, bordered): New.
13823 2000-01-24 Richard Henderson <rth@cygnus.com>
13825 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13826 * alpha.md (movtf): New expander, insn, and splitter.
13828 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13830 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13831 dead registers.
13833 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13835 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13836 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13837 REG_ALLOC_ORDER): Add frame pointer
13838 (FRAME_POINTER_REGNUM): Set to 20
13839 (HARD_FRAME_POINTER_REGNUM): New macro.
13840 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13841 to HARD_FRAME_POINTER.
13842 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13843 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13844 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13845 (HI_REGISTER_NAMES): Add "frame".
13846 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13847 (debug_reg): Handle FRAME_POINTER_REGNUM.
13848 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13849 GENERAL_REGS and INDEX_REGS.
13850 * i386.c (SAVED_REGS_FIRST): new macro.
13851 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13852 (ix86_decompose_address, memory_address_length): Likewise.
13853 (regclass_map): Add frame pointer.
13854 (call_insn_operand): Handle frame_pointer_rtx.
13855 (reg_no_sp_operand): Likewise.
13856 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13857 (print_operand, legitimize_pic_address): Fix formating.
13858 (ix86_compute_frame_size): Make static, update prototype, new
13859 parameters padding1, padding2, use ix86_nsaved_regs, use
13860 stack_alignment_needed.
13861 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13862 to HARD_FRAME_POINTER_REGNUM conversions.
13863 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13864 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13865 (print_reg): Abort on FRAME_POINTER_REGNUM
13867 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13869 * i386.h (PREDICATE_CODES): Add aligned_operand.
13870 * i386.c (aligned_operand): New function.
13871 (ix86_aligned_p): Kill.
13872 * i386.md (movhi_1): Emit mov for aligned operands.
13873 (promoting peep2s): Use aligned_operand.
13875 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13877 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13878 expression to allow underscores in macro names.
13879 (fix_char_macro_defines): Increment scanning pointer.
13881 2000-01-23 Richard Henderson <rth@cygnus.com>
13883 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13884 * alpha/osf5.h: New file.
13885 * configure.in (alpha-*-osf5): Add it to tm_file.
13887 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13889 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13890 (alpha_emit_xfloating_cvt, function_arg): Declare.
13891 * alpha.c (alpha_emit_conditional_branch): Call
13892 alpha_emit_xfloating_compare for TFmode compares.
13893 (alpha_lookup_xfloating_lib_func): New.
13894 (alpha_compute_xfloating_mode_arg): New.
13895 (alpha_emit_xfloating_libcall): New.
13896 (alpha_emit_xfloating_arith): New.
13897 (alpha_emit_xfloating_compare): New.
13898 (alpha_emit_xfloating_cvt): New.
13899 (print_operand): Add default abort case.
13900 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13901 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13902 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13903 (RETURN_IN_MEMORY): True for TF/TCmode.
13904 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13905 (FUNCTION_ARG): Move to function_arg.
13906 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13907 (ASM_OUTPUT_LONG_DOUBLE): New.
13908 (ASM_OUTPUT_DOUBLE): Always output bits.
13909 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13910 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13911 (extenddftf2, trunctfdf2): New.
13913 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13915 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13916 * config/sparc/sol2.h: ... here.
13918 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13920 * basic-block.h (struct loops): New field `levels'.
13921 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13922 (flow_loop_level_compute): Initialise level to 1.
13923 (flow_loops_find): Set loops->levels.
13924 (flow_loops_dump): Print loops->levels.
13926 2000-01-23 Richard Henderson <rth@cygnus.com>
13928 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13929 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13931 2000-01-23 Richard Henderson <rth@cygnus.com>
13933 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13934 * i386.h (DBX_REGISTER_NUMBER): Use them.
13935 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13936 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13937 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13938 * i386/sequent.h: Kill incorrect comment.
13940 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13942 * ggc-page.c (struct page_entry): Make `context_depth' an
13943 `unsigned short'.
13944 (struct globals): Likewise.
13946 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13948 * loop.c (check_dbra_loop): When checking a loop for
13949 reversability, check the source of any stores to ensure
13950 they don't depend on an initial value.
13952 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13954 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13956 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13958 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13959 'pz_scan' into scope of entire function. Only affects
13960 compiles with -DDEBUG.
13962 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13964 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13965 section naming to that prior to 2000-01-07 patch.
13966 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13967 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13968 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13969 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13970 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13972 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13974 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13975 constant.
13977 2000-01-21 Jim Wilson <wilson@cygnus.com>
13979 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13980 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13982 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13984 * cpphash.c (change_newlines): Delete function.
13985 (struct argdata): Delete 'newlines' and 'use_count' fields.
13986 (macroexpand): Remove code referencing those fields.
13988 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13990 * loop.c (loops_info): New variable.
13991 (loop_optimize): Allocate loops->array and free it on exit.
13992 Allocate memory for loops_info and assign to each loop,
13993 replacing alloca.
13994 (find_and_verify_loops): Do not allocate loops->array.
13996 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13998 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
14000 2000-01-21 Jakub Jelinek <jakub@redhat.com>
14002 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
14003 pseudos if expanded after first flow.
14004 (movdi_pic_label_ref): Likewise.
14006 2000-01-20 Richard Henderson <rth@cygnus.com>
14008 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
14010 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
14012 * Makefile.in (fixinc.sh): Depend on specs.
14013 * fixinc/Makefile.in: Add rule to create machname.h.
14014 (fixlib.o): Depend on machname.h.
14015 * fixinc/fixtests.c (machine_name): New test.
14016 * fixinc/fixfixes.c (machine_name): New fix.
14017 * fixinc/fixlib.c (mn_get_regexps): New helper function for
14018 the machine_name test and fix.
14019 * fixinc/fixlib.h: Prototype it.
14020 * fixinc/inclhack.def (machine_name): Use the C test and fix.
14021 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
14023 * gcc.c (do_spec_1) [case P]: Take care not to create
14024 identifiers with three leading or trailing underscores.
14026 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
14027 (fixincl): Don't specify libraries twice on link line.
14028 (gnu-regex.o): Remove special rule.
14029 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
14030 defined by config.h. Do not define _REGEX_RE_COMP.
14031 (regcomp): Allocate and initialize a fastmap.
14032 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
14034 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
14036 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
14038 2000-01-19 Richard Henderson <rth@cygnus.com>
14040 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
14041 arguments with BB. Update all callers. Tidy line wrapping.
14043 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
14045 * emit-rtl.c (try_split): Return last_insn if we split the
14046 last_insn.
14048 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
14050 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
14051 (ix86_initial_elimination_offset): Declare.
14052 * i386.c (ix86_nsaved_regs): Break out from ...
14053 (ix86_can_use_return_insn_p): ... here.
14054 (ix86_emit_save_regs): Break out from ...
14055 (ix86_expand_prologue): ... here.
14056 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
14057 out from ...
14058 (ix86_expand_epilogue): ... here.
14059 (ix86_compute_frame_size): Make static, add prototype.
14060 (ix86_initial_elimination_offset): Break out from ...
14061 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
14063 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14065 * recog.h (OUT_FCN): Delete.
14067 * vax.md: Call `get_insn_template' instead of OUT_FCN.
14069 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14071 * cppalloc.c: PROTO -> PARAMS.
14072 * cpperror.c: Likewise.
14073 * cppfiles.c: Likewise.
14074 * cpplib.c: Likewise.
14075 * cpplib.h: Likewise.
14077 * config/arm/arm-protos.h: PROTO -> PARAMS.
14078 * config/arm/arm.c: Likewise.
14079 * config/c4x/c4x.c: Likewise.
14080 * config/fr30/fr30-protos.h: Likewise.
14081 * config/nextstep.c: Likewise.
14082 * config/pa/pa.c: Likewise.
14083 * config/pj/pj.c: Likewise.
14084 * config/rs6000/rs6000.c: Likewise.
14085 * config/v850/v850-protos.h: Likewise.
14086 * config/v850/v850.c: Likewise.
14088 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14090 * i370-protos.h: New file.
14092 * i370.c: Include tm_p.h. Fix compile time warnings.
14094 * i370.h: Move prototypes to i370-protos.h. Fix compile time
14095 warnings.
14097 * i370.md: Likewise.
14099 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14101 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
14102 (target_isinf, target_isnan, eisnan): Mark parameter with
14103 ATTRIBUTE_UNUSED.
14104 (eiisinf): Wrap in INFINITY.
14105 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
14106 (ibmtoe): Remove unused variable `rndsav'.
14108 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14110 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
14111 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
14113 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
14115 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
14116 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
14117 (fix_char_macro_defines, fix_char_macro_uses): New functions.
14119 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
14120 Recognize Emacs mode markers also.
14121 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
14122 C++ comments in C++ headers. Call is_cxx_header only if
14123 necessary.
14125 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
14126 bypass for ncurses.
14127 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
14128 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
14129 ... these, which use the new C fixes.
14130 (math_exception): Escape literal '+' in bypass expression.
14132 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
14133 Regenerate.
14135 2000-01-19 Geoff Keating <geoffk@cygnus.com>
14137 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
14138 inside the MEM.
14140 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14142 * loop.c (loop_optimize): Allocate loop_info structure for each loop
14143 prior to calling scan_loop.
14145 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14147 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
14148 (split_branches, calc_live_regs): Likewise.
14150 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14152 * sh.md (fpu_single, fp_mode): New attributes.
14154 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14156 * loop.c (current_loop_info): Renamed from loop_info_data
14157 and changed to a pointer.
14158 (loop_optimize): Allocate loop_info structure for each loop
14159 and initialise to zero.
14160 (scan_loop): Set current_loop_info.
14162 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
14163 on iteration_var.
14165 2000-01-19 Richard Henderson <rth@cygnus.com>
14167 * stupid.c: Die die die.
14168 * Makefile.in (OBJS): Remove stupid.o.
14169 (stupid.o): Likewise.
14171 * except.c (emit_eh_context): Don't emit USEs for stupid.
14172 * explow.c (probe_stack_range): Likewise.
14173 * flags.h (obey_regdecls): Remove.
14174 * flow.c (find_basic_blocks): Don't run try_merge_blocks
14175 when not optimizing.
14176 (life_analysis): Limit data collection when not optimizing.
14177 (mark_regs_live_at_end): Always mark the return value registers.
14178 (mark_used_regs): Remove dummy RETURN case.
14179 (print_rtl_with_bb): Don't consult obey_regdecls.
14180 * function.c (use_variable, use_variable_after): Remove.
14181 (assign_parms): Consult optimize not obey_regdecls.
14182 (expand_function_start): Don't emit USEs for stupid.
14183 (expand_function_end): Likewise.
14184 * global.c (build_insn_chain): Export.
14185 * integrate.c (expand_inline_function): Kill return-value USE
14186 handling code.
14187 * jump.c (jump_optimize_1): Do simple jump optimizations and
14188 dead code elimination.
14189 (calculate_can_reach_end): Remove check_deleted argument.
14190 (delete_insn): Patch out insns even when not optimizing.
14191 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
14192 * rtl.h (use_variable, use_variable_after): Remove declarations.
14193 (build_insn_chain): Declare.
14194 * stmt.c (expand_value_return): Don't emit USEs for stupid.
14195 (expand_end_bindings): Likewise.
14196 (expand_decl): Likewise. Consult optimize not obey_regdecls.
14197 * toplev.c (obey_regdecls): Remove.
14198 (rest_of_compilation): Don't set it. Kill stupid in favour of
14199 flow1, local-alloc, and reload.
14200 (main): Don't set obey_regdecls.
14202 * config/nextstep.c (handle_pragma): Likewise.
14204 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
14206 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
14208 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14210 * alpha-protos.h: PROTO -> PARAMS.
14211 * alpha.c: Likewise.
14212 * elf.h: Likewise.
14213 * h8300.c: Likewise.
14214 * i386-protos.h: Likewise.
14215 * i386.c: Likewise.
14216 * m32r-protos.h: Likewise.
14217 * m32r.c: Likewise.
14218 * mips.c: Likewise.
14219 * mips.md: Likewise.
14220 * gmon-sol2.c: Likewise.
14221 * sparc.c: Likewise.
14223 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14225 * ns32k-protos.h: New file.
14227 * ns32k.c: Fix compile time warnings.
14229 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
14230 warnings.
14232 * ns32k.md: Likewise.
14234 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14236 * vax-protos.h: New file.
14238 * vax.c: Fix compile time warnings.
14240 * vax.h: Move prototypes to vax-protos.h. Fix compile time
14241 warnings.
14243 * vax.md: Likewise.
14245 * vaxv.md: Likewise.
14247 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14249 * romp-protos.h: New file.
14251 * romp.c: Fix compile time warnings.
14253 * romp.h: Move prototypes to romp-protos.h. Fix compile time
14254 warnings.
14256 * romp.md: Likewise.
14258 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14260 * we32k-protos.h: New file.
14262 * we32k.c: Fix compile time warnings.
14264 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
14265 warnings.
14267 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14269 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
14271 * except.c (eh_regs): Likewise.
14273 * final.c (output_operand): Likewise.
14275 * fold-const.c (target_isinf, target_isnan): Likewise.
14277 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14279 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14280 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14282 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14283 when optimize_size.
14284 (clrstrsi): Rewrite.
14285 (strsethi, strsetqi): New expanders.
14286 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14287 (cmpstrsi): Emit compare insn before cmpstrsi_1
14288 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14289 (strlensi_1): Likewise.
14290 (cmpstrsi_1): Likewise; do not output compare.
14291 (strlen expander): Do not unroll when optimizing for size.
14292 (*subsi3_carry): Rename to subsi3_carry
14293 (addqi3_cc): New pattern.
14294 * i386.h (processor_costs): Add move_ratio field.
14295 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14296 * i386.c (*_cost): Set move_ratio.
14297 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14298 (x86_expand_strlensi_1): Rewrite the main loop.
14300 2000-01-17 Richard Henderson <rth@cygnus.com>
14302 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14303 * cse.c (find_comparison_args, fold_rtx): Likewise.
14304 * integrate.c (subst_constants): Likewise.
14305 * loop.c (get_condition): Likewise.
14307 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14309 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14311 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14313 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14314 (RESTORE_WARN_FLAGS): Unpack it.
14315 Change semantic type of extension to ttype.
14316 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14317 * c-parse.y, c-parse.c, objc/objc-parse.y,
14318 objc/objc-parse.c: Regenerate.
14320 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14322 * fixinc/fixlib.c: Add copyright notice.
14323 (compile_re): New function.
14324 * fixinc/fixlib.h: Prototype compile_re.
14326 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14327 Use compile_re to compile regular expressions.
14329 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14330 where the pattern matched.
14332 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14333 use 'replace'.
14334 (ultrix_ansi_compat): Likewise.
14335 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14336 add egrep test.
14337 (interactv_add2, interactv_add3): Delete.
14338 (x11_sprintf): Don't use filename glob.
14339 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14340 Regenerate.
14342 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14344 * print-rtl.c: PROTO -> PARAMS.
14345 * real.c: Likewise.
14346 * reg-stack.c: Likewise.
14347 * resource.c: Likewise.
14348 * sdbout.h: Likewise.
14349 * simplify-rtx.c: Likewise.
14350 * stor-layout.c: Likewise.
14351 * stupid.c: Likewise.
14352 * xcoffout.c: Likewise.
14353 * xcoffout.h: Likewise.
14355 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14357 * toplev.c: PROTO -> PARAMS.
14358 * toplev.h: Likewise.
14359 * tree.c: Likewise.
14360 * tree.h: Likewise.
14361 * unroll.c: Likewise.
14362 * varasm.c: Likewise.
14363 * varray.c: Likewise.
14364 * varray.h: Likewise.
14366 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14368 * reload.c: PROTO -> PARAMS.
14369 * reload.h: Likewise.
14370 * reload1.c: Likewise.
14371 * reorg.c: Likewise.
14372 * resource.h: Likewise.
14373 * rtl.c: Likewise.
14374 * rtl.h: Likewise.
14375 * rtlanal.c: Likewise.
14376 * sbitmap.h: Likewise.
14377 * sdbout.c: Likewise.
14378 * stack.h: Likewise.
14379 * stmt.c: Likewise.
14380 * system.h: Likewise.
14382 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14384 * machmode.h: PROTO -> PARAMS.
14385 * mbchar.h: Likewise.
14386 * mips-tdump.c: Likewise.
14387 * mips-tfile.c: Likewise.
14388 * optabs.c: Likewise.
14389 * output.h: Likewise.
14390 * prefix.c: Likewise.
14391 * profile.c: Likewise.
14392 * protoize.c: Likewise.
14393 * real.h: Likewise.
14394 * recog.c: Likewise.
14395 * recog.h: Likewise.
14396 * regclass.c: Likewise.
14397 * regmove.c: Likewise.
14398 * regs.h: Likewise.
14400 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14402 * ggc-common.c: PROTO -> PARAMS.
14403 * ggc-page.c: Likewise.
14404 * ggc-simple.c: Likewise.
14405 * ggc.h: Likewise.
14406 * global.c: Likewise.
14407 * graph.c: Likewise.
14408 * gthr-win32.h: Likewise.
14409 * haifa-sched.c: Likewise.
14410 * halfpic.h: Likewise.
14411 * integrate.c: Likewise.
14412 * integrate.h: Likewise.
14413 * jump.c: Likewise.
14414 * lcm.c: Likewise.
14415 * local-alloc.c: Likewise.
14416 * loop.c: Likewise.
14417 * loop.h: Likewise.
14419 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14421 * genattr.c: PROTO -> PARAMS.
14422 * genattrtab.c: Likewise.
14423 * gencheck.c: Likewise.
14424 * gencodes.c: Likewise.
14425 * genconfig.c: Likewise.
14426 * genemit.c: Likewise.
14427 * genextract.c: Likewise.
14428 * genflags.c: Likewise.
14429 * gengenrtl.c: Likewise.
14430 * genopinit.c: Likewise.
14431 * genoutput.c: Likewise.
14432 * genpeep.c: Likewise.
14433 * genrecog.c: Likewise.
14435 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14437 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14439 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14441 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14442 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14443 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14444 * configure, config.in: Rebuilt.
14446 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14448 * config/i386/i386.md: Add peephole to merge successive stack
14449 adjusts.
14451 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14453 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14454 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14455 when walking backwards to find all the parameter loads when
14456 the basic block ends in a call.
14458 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14460 * loop.c (this_loop_info): Delete.
14461 (uid_loop): Add in place of uid_loop_num. All uses updated.
14462 (loop_number_exit_count): Delete and replace with entry in loop
14463 structure. All uses updated.
14464 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14465 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14466 (loop_outer_loop): Likewise.
14467 (loop_invalid, loop_number_exit_labels): Likewise.
14468 (loop_used_count_register): Delete and replace with entry in
14469 loop_info structure.
14470 (find_and_verify_loops): Add loops argument.
14471 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14472 loop_end, etc. arguments with loop structure pointer. All callers
14473 changed.
14474 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14475 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14476 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14477 (insert_bct): Likewise.
14478 (basic_induction_var): New argument level.
14479 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14480 vtop, and cont. Add used_count_register.
14481 (uid_loop): Delete declaration.
14482 (loop_number_exit_count): Likewise.
14483 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14484 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14485 (loop_outer_loop, loop_used_count_register): Likewise.
14486 (loop_invalid, loop_number_exit_labels): Likewise.
14487 (unroll_loop): Replace loop_start and loop_end arguments
14488 with loop structure pointer.
14489 (loop_precondition_p, loop_iterations): Likewise.
14490 Include basic-block.h.
14491 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14492 with loop structure pointer.
14493 (loop_precondition_p, loop_iterations): Likewise.
14494 * basic-block.h (struct loop): New entries vtop, cont,
14495 cont_dominator, start, end, top, scan_start, exit_labels,
14496 exit_count.
14497 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14499 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14501 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14503 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14505 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14507 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14509 * pdp11-protos.h: New file.
14511 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14512 time warnings.
14514 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14515 warnings.
14517 * pdp11.md: Likewise.
14519 * 2bsd.h: Likewise.
14521 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14523 * mn10300-protos.h: New file.
14525 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14526 time warnings.
14528 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14529 warnings.
14531 * mn10300.md: Likewise.
14533 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14535 * mn10200-protos.h: New file.
14537 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14538 time warnings.
14540 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14541 warnings.
14543 * mn10200.md: Likewise.
14545 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14547 * h8300-protos.h: New file.
14549 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14550 time warnings.
14552 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14553 warnings.
14555 * h8300.md: Likewise.
14557 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14559 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14560 (asm_emit_uninitialised): Likewise.
14562 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14564 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14565 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14567 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14569 * config/mips/mips.c (override_options): Don't turn on extra
14570 alignment for mips16.
14572 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14574 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14575 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14576 the right point.
14578 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14580 * builtins.c (PAD_VARARGS_DOWN): Define.
14581 (std_expand_builtin_va_arg): Use the above macro.
14582 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14583 * tm.texi (Register Arguments): Document the above macro.
14585 2000-01-14 Nick Clifton <nickc@cygnus.com>
14587 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14588 that this function has not been used to emit a jump
14589 instruction.
14591 * jump.c (return_jump_1): Cope with being passed a null rtx.
14593 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14595 * eh-common.h: PROTO -> PARAMS.
14596 * emit-rtl.c: Likewise.
14597 * errors.c: Likewise.
14598 * errors.h: Likewise.
14599 * except.c: Likewise.
14600 * except.h: Likewise.
14601 * explow.c: Likewise.
14602 * expmed.c: Likewise.
14603 * expr.c: Likewise.
14604 * expr.h: Likewise.
14605 * final.c: Likewise.
14606 * fix-header.c: Likewise.
14607 * flow.c: Likewise.
14608 * fold-const.c: Likewise.
14609 * function.c: Likewise.
14610 * function.h: Likewise.
14611 * gcc.c: Likewise.
14612 * gcov-io.h: Likewise.
14613 * gcov.c: Likewise.
14614 * gcse.c: Likewise.
14616 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14618 * sh-protos.h: New file.
14620 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14621 Add static prototypes. Fix compile time warnings.
14623 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14624 * sh.md: Likewise.
14625 * elf.h: Likewise.
14627 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14629 * arc-protos.h: New file.
14631 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14632 time warnings.
14634 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14635 warnings.
14637 * arc.md: Likewise.
14639 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14641 * dsp16xx-protos.h: New file.
14643 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14644 time warnings.
14646 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14647 warnings.
14649 * dsp16xx.md: Likewise.
14651 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14653 * convex-protos.h: New file.
14655 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14656 time warnings.
14658 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14659 warnings.
14661 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14663 * elxsi-protos.h: New file.
14665 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14666 time warnings.
14668 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14669 warnings.
14671 * elxsi.md: Likewise.
14673 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14675 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14676 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14677 match the comment for MIPS16.
14679 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14681 * flow.c (split_edge): Do not call set_block_for_insn if we
14682 do not have a basic_block_for_insn structure.
14684 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14685 and destination functions are 32bit aligned within the trampoline.
14686 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14687 (TRAMPOLINE_ALIGNMENT): Define.
14689 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14690 (set (pc) (label_ref)), verify the change creates a valid insn.
14692 * fr30.c (call_operand): Tighten and rework to match rules for
14693 call RTL expressions.
14694 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14695 * fr30.md (call patterns): Improve constraints.
14697 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14699 * fr30.c (fr30_expand_epilogue): Revert last change.
14700 Use emit_jump_insn for the return insn.
14702 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14703 Stan Cox <scox@cygnus.com>
14705 * predict.c: New file. Preliminary infrastructure work for static
14706 branch prediction and basic block reordering.
14707 * basic-block.h: Add prototype for estimate_probability.
14708 * Makefile.in: Add rules for predict.o.
14710 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14712 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14713 * fixinc/*: Likewise.
14715 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14717 * cccp.c: PROTO -> PARAMS.
14718 * cexp.y: Likewise.
14719 * collect2.c: Likewise.
14720 * combine.c: Likewise.
14721 * convert.h: Likewise.
14722 * cse.c: Likewise.
14723 * dbxout.c: Likewise.
14724 * dbxout.h: Likewise.
14725 * diagnostic.c: Likewise.
14726 * doprint.c: Likewise.
14727 * dwarf2out.c: Likewise.
14728 * dwarf2out.h: Likewise.
14729 * dwarfout.c: Likewise.
14730 * dwarfout.h: Likewise.
14731 * dyn-string.h: Likewise.
14733 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14735 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14736 macro conditionals guarding use.
14738 * dwarf2out.c: Include "tm_p.h".
14740 * function.c (locate_and_pad_parm): Mark parameter with
14741 ATTRIBUTE_UNUSED.
14742 (expand_function_end): Likewise for variable `context'.
14744 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14746 2000-01-13 Nick Clifton <nickc@cygnus.com>
14748 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14749 register to prevent compile time warnings.
14751 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14753 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14754 to avoid -Wtraditional warning.
14756 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14758 * 1750a-protos.h: New file.
14760 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14761 time warnings.
14763 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14764 warnings.
14766 * 1750a.md: Likewise.
14768 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14770 * a29k-protos.h: New file.
14772 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14773 time warnings.
14775 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14776 warnings.
14778 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14780 * clipper-protos.h: New file.
14782 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14783 time warnings.
14785 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14786 warnings.
14788 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14790 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14792 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14794 * configure.in (--enable-new-gxx-abi): New option.
14795 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14796 * Makefile.in (GXX_ABI_FLAG): New variable.
14797 * configure: Regenerate.
14799 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14801 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14802 * tm.texi (FORCE_STRUCT_BLK): Document.
14803 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14805 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14807 * config/ns32k/ns32k.md: Revert Jan 9 change.
14809 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14810 to a mode-test, if the predicate is address_operand.
14812 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14814 * combine.c (if_then_else_cond): Be careful about what kinds
14815 of RTL expressions are passed to operand_subword.
14817 * flow.c (split_edge): If we have to insert a new jump, make
14818 sure to associate it with a basic block.
14820 * flow.c (commit_one_edge_insertion): A block with one successor
14821 can end in a JUMP_INSN that is not a simplejump.
14823 2000-01-12 Robert Lipe <robertl@sco.com>
14825 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14826 (BUILD_VA_LIST_TYPE): Define.
14827 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14828 with crtstuff.c.
14830 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14832 * cccp.c (do_pragma): Add cast to (char *).
14834 2000-01-12 Richard Henderson <rth@cygnus.com>
14835 Fred Fish <fnf@be.com>
14836 Jason Merrill <jason@cygnus.com>
14838 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14839 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14840 * i386/beos-elf.h, i386/beos-pe.h: New files.
14842 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14843 * cross-make (SYSTEM_HEADER_DIR): Define using
14844 CROSS_SYSTEM_HEADER_DIR.
14846 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14847 (process_command): Use it.
14848 (main): Likewise. Kill trailing = from env vars.
14849 (build_search_list): Put it back.
14850 * collect2.c (main): Use LIBRARY_PATH_ENV.
14852 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14853 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14855 * tm.texi (Frame Layout): Document SMALL_STACK.
14856 * c-common.c (c_common_nodes_and_builtins): Check it.
14858 * system.h: Undef alloca after including glibc's <stdlib.h>,
14859 if USE_C_ALLOCA is defined.
14861 * gcc.c (set_input): New fn.
14862 (main): After all input files are compiled, reset the input file
14863 info to the first.
14865 * aclocal.m4 (rindex, index): If already defined, don't attempt
14866 to redefine.
14868 * ginclude/varargs.h: (__va_list__): Define ifndef.
14869 * ginclude/stdarg.h: Likewise.
14871 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14872 instead of unsigned char.
14874 * hash.h (true, false, boolean): Undef before enum.
14876 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14877 proper type of "HOST_WIDE_INT *", rather than their natural type of
14878 "unsigned HOST_WIDE_INT *".
14880 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14882 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14884 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14886 * regclass.c (choose_hard_reg_mode): Likewise.
14888 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14890 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14892 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14894 * c-common.c: PROTO -> PARAMS.
14895 * c-common.h: Likewise.
14896 * c-decl.c: Likewise.
14897 * c-iterate.c: Likewise.
14898 * c-lang.c: Likewise.
14899 * c-lex.c: Likewise.
14900 * c-lex.h: Likewise.
14901 * c-parse.in: Likewise.
14902 * c-pragma.c: Likewise.
14903 * c-pragma.h: Likewise.
14904 * c-tree.h: Likewise.
14905 * c-typeck.c: Likewise.
14906 * objc/objc-act.c: Likewise.
14907 * objc/objc-act.h: Likewise.
14909 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14911 * m88k-protos.h: New file.
14913 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14914 time warnings.
14916 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14918 * m88k.md: Likewise.
14920 * tekXD88.h: Likewise.
14922 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14924 * m68k-protos.h: New file.
14926 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14927 time warnings.
14929 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14931 * mot3300.h: Likewise.
14933 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14935 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14936 extract_bitlst.
14937 (extract_bitlist): Declare bitlen.
14939 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14941 * cccp.c: Accept and ignore -lang-fortran.
14943 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14944 qualifiers don't match at any level of pointerness.
14946 2000-01-12 Robert Lipe <robertl@sco.com>
14948 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14950 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14952 * reload1.c (reload_reg_unavailable): New static variable.
14953 (reload_reg_free_p): Test it.
14954 (reload_reg_free_for_value_p): Test it instead of
14955 reload_reg_used.
14956 (choose_reload_regs_init): Compute it.
14958 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14960 * reorg.c (fill_slots_from_thread): Check modified_in_p
14961 before replacing.
14963 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14965 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14966 these nodes even if INTERNALS is not set.
14968 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14970 * gcse.c (delete_null_pointer_checks_1): Cope when
14971 get_condition cannot determine the condition.
14973 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14975 * toplev.h (set_message_length): Declare.
14977 * diagnostic.c (obstack_chunk_alloc): Define macro.
14978 (obstack_chunk_free): Likewise.
14979 (struct output_buffer): New data structure.
14980 (vmessage): Remove.
14981 (output_maximum_width): New variable.
14982 (doing_line_wrapping, set_message_length, init_output_buffer,
14983 get_output_prefix, output_space_left, emit_output_prefix,
14984 output_newline, output_append, output_puts, dump_output,
14985 vbuild_message_string, build_message_string, build_location_prefix,
14986 voutput_notice, output_printf, line_wrapper_printf,
14987 vline_wrapper_message_with_location): New functions. Implement
14988 automatic line wrapping.
14989 (v_message_with_decl): Make it handle automatic line wrapping.
14990 (v_error_with_file_and_line): Likewise.
14991 (v_warning_with_file_and_line): Likewise.
14992 (announce_function): Likewise.
14993 (default_print_error_function): Likewise.
14995 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14997 * cpplib.h (struct cpp_options): Change lang_asm to char.
14998 Add lang_fortran.
14999 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
15000 done in cpp_handle_option now.
15001 (initialize_builtins): Take out special case code used only by
15002 __STDC_VERSION__.
15003 (cpp_handle_option): Turn off trigraphs and trigraph warnings
15004 if -traditional. Recognize -lang-fortran and set
15005 lang_fortran, also turn off cplusplus_comments.
15006 (print_help): Document -lang-fortran.
15007 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
15008 lang_asm. Ignore all directives other than `# 123 "file"' if
15009 CPP_PREPROCESSED.
15010 (cpp_get_token): If -traditional, don't recognize directives
15011 unless the # is in column 1.
15012 (parse_string): If lang_fortran or lang_asm, silently
15013 terminate strings ('' or "") at end of line.
15014 Remove unnecessary braces.
15016 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15017 Richard Henderson <rth@cygnus.com>
15019 * resource.c (mark_referenced_resources): Mark a set strict_low_part
15020 as used.
15021 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
15022 strict_low_part when possible.
15024 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15026 * alias.c: PROTO -> PARAMS.
15027 * basic-block.h: Likewise.
15028 * bitmap.c: Likewise.
15029 * bitmap.h: Likewise.
15030 * builtins.c: Likewise.
15031 * c-aux-info.c: Likewise.
15032 * caller-save.c: Likewise.
15033 * calls.c: Likewise.
15035 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15037 * Makefile.in (toplev.o): Depend on regs.h.
15039 * output.h (tdesc_section): Prototype.
15041 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
15043 * sdbout.c: Include "tm_p.h".
15045 * toplev.c: Include "regs.h".
15047 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
15049 * unroll.c (unroll_loop): Add EH support.
15051 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15053 * pa-protos.h: New file.
15055 * pa.c: Include recog.h and tm_p.h.
15056 (compute_zdepwi_operands, compute_movstrsi_length,
15057 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
15058 find_addr_reg, import_milli): Add static prototypes.
15059 (pa_cpu_string, pa_arch_string): Constify a char*.
15060 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
15061 (read_only_operand): Add argument `mode'.
15062 (singlemove_string, output_move_double, output_fp_move_double,
15063 output_block_move, output_and, output_ior, output_ascii,
15064 remove_useless_addtr_insns, milli_names, output_mul_insn,
15065 output_div_insn, output_mod_insn, output_arg_descriptor,
15066 output_cbranch, output_bb, output_bvb, output_dbra, ,
15067 output_millicode_call, output_call, hppa_encode_label,
15068 output_parallel_movb, output_parallel_addb): Constify a char*.
15069 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
15070 (output_parallel_addb): Remove extra arg to `constrain_operands'
15072 * pa.h: Move all prototypes to pa-protos.h.
15073 (pa_cpu_string, pa_arch_string): Constify a char*.
15074 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
15076 * pa.md: Call `function_label_operand' with mode argument.
15077 Likewise for `read_only_operand'.
15078 Fix nesting of parens in call to `symbolic_operand'.
15080 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15082 * i860-protos.h: New file.
15084 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
15085 time warnings.
15087 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
15089 * i860.md: Likewise.
15091 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
15093 * i386.md (movstrsi expander): Rewrite.
15094 (movstrsi_1 insn): Deleted.
15095 (strmovhi, strmovqi expander): New expanders.
15096 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
15097 * i386.c (x86_single_stringop): New global variable.
15098 * i386.h (x86_single_stringop): Declare.
15099 (TARGET_SINGLE_STRINGOP): New macro.
15101 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15103 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
15104 integer vararg POSTINCREMENT before the destination of the jump
15105 for the hard fp case.
15106 (function_arg_pass_by_reference): Pass a copy of CUM to
15107 FUNCTION_ARG.
15109 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
15110 for CONSTANT_ADDRESS_P above while loop for subreg.
15112 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
15114 * flow.c (propagate_block): When a prologue/epilogue insn
15115 is marked dead, unconditionally clear libcall_is_dead and
15116 insn_is_dead, and only dump rtl if warnings aren't being
15117 suppressed.
15119 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
15121 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
15122 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
15123 (FIXED_REGISTERS): Set dirflag as fixed.
15124 (CALL_USED_REGISTERS): Set dirflag as used.
15125 (REG_ALLOC_ORDER): Set dirflag as last one.
15126 (DIRFLAG_REG): New macro.
15127 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
15128 (HI_REGISTER_NAMES): Add dirflag.
15129 (DEBUF_PRINT_REG): Handle dirflag.
15130 * i386.md (type attribute): New cld and str types.
15131 (length_opcode attribute): Set cld and str to 1.
15132 (memory attribute): Set str to unknown - it is not clear from the
15133 patterns.
15134 (pent_np function unit): Prefixed string operations takes 12 cycles
15135 minimally; cld takes 2 cycles.
15136 (ppro_uops attribute): Str is "many" and cld is "few".
15137 (ppro_p0 unit): Handle cld here.
15138 (k6_alux unit): Handle cld and str types.
15139 (k6_load unit): It is ocupied by str opcodes.
15140 (k6_store unit): It is ocupied by str opcodes.
15141 (athlon_decode): Str is vector decoded.
15142 (athlon_ieu): Handle str and cld.
15143 (cld pattern): New.
15144 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
15145 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
15146 cmpstrsi_nz_1 insn): Do not output cld instruction
15148 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
15150 * gcc.texi (G++ and GCC): Add Java and Chill.
15151 (Bug Critera): Don't list languages.
15153 * gcc.texi (Incompatibilities): No longer claim most C compilers
15154 are K&R.
15156 * gcc.texi (G++ and GCC): Update other front-ends list.
15158 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
15160 * i386.c (ix86_expand_setcc): Fix typo.
15161 (ix86_expand_movcc): Similarly.
15163 * Band-aid until haifa's bitset implementation is nuked.
15164 * haifa-sched.c (extract_bitlst): New parameter for size of the
15165 bitset in bits. All callers changed. Avoid looking at undefined
15166 bits in the bitset.
15167 (edgeset_bitsize): New variable.
15168 (schedule_region): Initialize edgeset_bitsize.
15170 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15172 * Makefile.in (optabs.o): Depend on real.h
15173 (resource.o): Depend on insn-attr.h
15175 * builtins.c (result_vector): Wrap prototype in macro conditions
15176 governing definition and use.
15178 * c-common.c: Include tm_p.h.
15180 * c-lex.c: Likewise.
15182 * elfos.h: Constify a char*.
15184 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
15185 (get_attr_length, shorten_branches, profile_after_prologue): Mark
15186 parameter with ATTRIBUTE_UNUSED.
15188 * fold-const.c (exact_real_inverse): Wrap variable `i' in
15189 CHECK_FLOAT_VALUE.
15191 * haifa-sched.c (schedule_insns): Mark parameter with
15192 ATTRIBUTE_UNUSED.
15194 * optabs.c: Include real.h.
15196 * real.h (ereal_atof): Add prototype arguments.
15198 * resource.c: Include insn-attr.h.
15200 * sdbout.c (sdbout_queue_anonymous_type,
15201 sdbout_dequeue_anonymous_types): Wrap in macro
15202 SDB_ALLOW_FORWARD_REFERENCES.
15203 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
15204 ATTRIBUTE_UNUSED.
15206 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
15208 * stupid.c: Include tm_p.h.
15210 * tree.c (real_value_from_int_cst): Mark parameter with
15211 ATTRIBUTE_UNUSED.
15213 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15215 * i960-protos.h: New file.
15217 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
15218 time warnings.
15220 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
15222 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15224 * combine.c (expand_field_assignment): Do not discard SUBREGs
15225 while computing nonzero_bits.
15227 2000-01-09 Nick Clifton <nickc@cygnus.com>
15229 * config/arm/arm.c: Fix compile time warnings about signed vs
15230 unsigned constants.
15231 * config/arm/arm.h: Fix compile time warnings about signed vs
15232 unsigned constants.
15234 2000-01-09 Philip Blundell <philb@gnu.org>
15236 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
15237 than `ldm' with only one register.
15238 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
15239 only one register.
15241 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
15242 clobbered.
15244 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
15246 * config/ns32k/ns32k.md (load or push effective address): Operand 1
15247 must have SImode.
15249 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15251 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
15252 assignment used as truth value.
15254 * function.c (assign_temp): Mark parameter `dont_promote' with
15255 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
15256 PROMOTE_FOR_CALL_ONLY.
15258 * genrecog.c (write_subroutine): Mark variable `operands' with
15259 ATTRIBUTE_UNUSED.
15261 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
15262 ATTRIBUTE_UNUSED.
15264 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
15265 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
15267 * toplev.c (note_deferral_of_defined_inline_function): Likewise
15268 for `decl'.
15270 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15272 * config/c4x.h: Tidy up comments.
15273 * config/c4x.c: Likewise.
15275 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15277 * fold-const.c (lshift_double, rshift_double): Handle
15278 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15280 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15282 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15283 in prepare_function_start().
15285 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15287 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15288 longer allocate extra stack for function calls.
15290 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15292 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15294 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15296 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15298 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15300 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15301 * aix43.h: Revert Aug 2 change.
15302 (HAS_INIT_SECTION): Define, not visible yet.
15303 (LD_INIT_SWITCH): Define, not visible yet.
15304 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15306 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15308 * collect2.c (main): Expand ld2 size further.
15309 (export_object_lst): Cast assignment to avoid warning.
15310 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15311 (scan_prog_file, COFF): Do not collect initialization or
15312 finalization functions generated for entire shared object if
15313 init/fini support present.
15315 2000-01-07 Nick Clifton <nickc@cygnus.com>
15317 * config/elfos.h: Tidy up formatting of marcos. Make sure
15318 that .section directives are always prefixed by a tab.
15320 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15321 definitions.
15323 2000-01-07 Matt Austern <austern@sgi.com>
15325 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15326 expon.
15328 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15330 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15331 crtstuff.c.
15332 (crtbegin.o, s-crtS): Likewise.
15334 2000-01-06 Richard Henderson <rth@cygnus.com>
15336 * alpha.md (adddi_2+1): Limit offset such that it will be
15337 loadable with a single ldah+lda pair.
15338 (adddi_2+2): Explicitly fail split if we can't make it work.
15340 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15342 * protoize.c: Conditionally include unistd.h.
15343 (IS_SAME_PATH_CHAR): New macro.
15344 (IS_SAME_PATH): New macro.
15345 (CPLUS_FILE_SUFFIX): New macro.
15346 (cplus_suffix): New static variable.
15347 (is_abspath): New static function.
15348 (in_system_include_dir): Handle DOS style pathnames.
15349 (file_could_be_converted): Likewise.
15350 (file_normally_convertible): Likewise.
15351 (directory_specified_p): Likewise.
15352 (file_excluded_p): Likewise.
15353 (abspath): Likewise.
15354 (shortpath): Likewise.
15355 (referenced_file_is_newer): Likewise.
15356 (save_def_or_dec): Likewise.
15357 (do_processing): Likewise.
15358 (main): Likewise.
15359 (edit_file): Likewise. Use rename instead of link.
15360 (rename_c_file): Likewise. Don't rename syscalls file.
15361 (munge_compile_params): Define null device for DOS based systems.
15362 (process_aux_info_file): Use binary mode if appliable.
15363 (edit_file): Likewise.
15364 * invoke.texi (Running Protoize): Document C++ suffixes used.
15366 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15367 IS_DIR_SEPARATOR macros.
15368 * collect2.c: Likewise.
15369 * cppinit.c: Likewise.
15370 * dwarf2out.c: Likewise.
15371 * gcc.c: Likewise.
15372 * gcov.c: Likewise.
15373 * prefix.c: Likewise.
15374 * rtl.c: Likewise.
15375 * toplev.c: Likewise.
15376 * system.h: And move to here.
15378 * prefix.c (update_path): Fix typo in variable name.
15380 2000-01-06 Richard Henderson <rth@cygnus.com>
15382 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15383 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15384 (count_reg_sets_1, count_reg_references): Likewise.
15385 (flow_loops_level_compute): Start counting actual loop depth at 1.
15386 (flow_loops_find): Likewise.
15387 * local-alloc.c (update_equiv_regs): Likewise.
15388 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15390 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15392 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15393 FIRST_PSEUDO_REGISTER
15394 * dwarf2out.c: Don't include frame.h
15395 * dwarfout.c: Likewise
15396 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15397 frame.h
15399 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15401 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15402 dead registers.
15404 * i386.c (movsf splitter): Fix typo in my last checkin.
15406 2000-01-05 Nick Clifton <nickc@cygnus.com>
15408 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15409 own definition of this macro.
15410 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15411 flag_data_sections or UNIQUE_SECTION_P are true.
15413 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15414 unitialised data decls.
15416 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15417 being called for uninitialised data.
15419 * config/i386/interix.c (i386_pe_unique_section): Cope with
15420 being called for uninitialised data.
15422 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15423 for uninitialised data.
15425 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15426 for uninitialised data.
15428 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15429 for uninitialised data.
15431 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15432 (UNIQUE_SECTION_P): Always generate a unique section if
15433 flag_data_sections is true.
15434 (UNIQUE_SECTION): Also generate unique sections for
15435 uninitialised data.
15436 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15437 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15438 named_section().
15440 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15442 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15443 SI, or DI.
15445 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15447 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15448 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15449 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15450 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15451 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15453 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15455 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15457 * c-decl.c (finish_enum): Simplify code to determine minimum and
15458 maximum values of the enum, and calculate the type. Remove check
15459 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15460 the DECL_INITIAL of each enumeration constant with a copy converted
15461 to the enumeration type. When updating variant types, don't bother
15462 updating the type itself.
15464 * c-typeck.c (build_binary_op): Simplify conditional expressions
15465 when weeding out spurious signed-unsigned warnings. Add new
15466 spurious warning category: if the unsigned quantity is an enum
15467 and its maximum value fits in signed_type(result_type). Update
15468 commentary.
15469 (build_conditional_expr): Warn here if one alternative is signed
15470 and the other is unsigned.
15472 2000-01-05 Nick Clifton <nickc@cygnus.com>
15474 * config/fr30/fr30.h: Remove extraneous comments.
15476 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15478 * reload1.c (choose_reload_regs): When disabling a reload, also
15479 set reload_spill_index to -1.
15481 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15483 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15484 old m68*-*-rtems*.
15485 (m68*-*-rtemself*): New target.
15486 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15487 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15488 (sparc*-*-rtemself*): New target.
15489 (sparc*-*-rtems*): Now elf not a.out.
15490 * config/i386/rtems.h: Include config/rtems.h.
15491 * config/i386/rtemself.h: Include config/rtems.h.
15492 * config/i960/rtems.h: Include config/rtems.h.
15493 * config/m68k/rtems.h: Include config/rtems.h.
15494 * config/m68k/rtemself.h: Include config/rtems.h.
15495 * config/mips/rtems64.h: Include config/rtems.h.
15496 * config/pa/rtems.h: Include config/rtems.h.
15497 * config/rs6000/rtems.h: Include config/rtems.h.
15498 * config/sh/rtems.h: Include config/rtems.h.
15499 * config/sh/rtemself.h: Include config/rtems.h.
15500 * config/sparc/rtems.h: Include config/rtems.h.
15501 * config/sparc/rtemself.h: Include config/rtems.h
15503 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15505 * final.c (shorten_branches): Correctly compute length of
15506 asms without operands.
15508 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15510 * configure.in: Add pj target.
15511 * configure: Regenerate.
15512 * config/pj: New directory.
15513 * config/pj/lib1funcs.S: New file.
15514 * config/pj/linux.h: New file.
15515 * config/pj/pj.c: New file.
15516 * config/pj/pj.md: New file.
15517 * config/pj/pjl.h: New file.
15518 * config/pj/t-pj: New file.
15519 * config/pj/xm-pj.h: New file
15521 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15523 * toplev.c (rest_of_compilation): Run shorten-branches before
15524 reg-stack for now.
15526 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15528 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15529 macros so that they're consistent with their names.
15530 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15531 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15533 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15535 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15536 modified inadvertently.
15538 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15540 * configure.in (v850*-*-rtems*): New target.
15541 * configure: Regenerate.
15542 * config/v850/rtems.h: New file.
15544 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15546 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15547 (__gthread_key_create): Likewise.
15548 (__gthread_key_dtor): Likewise.
15549 (__gthread_once): Fix logic.
15550 (__gthread_key_delete): Cast away constness.
15552 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15553 * invoke.texi: Document.
15554 * i386/mingw32.h (CPP_SPEC): Use.
15555 (LIBGCC_SPEC): Likewise.
15556 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15558 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15560 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15561 (HANDLE_PRAGMA_PACK): Undefine.
15562 (SLOW_UNALIGNED_ACCESS): Define.
15564 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15566 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15567 to default definition.
15568 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15569 (store_fixed_bit_field): Call macro with word_mode and alignment.
15570 (extract_bit_field): Call macro with relevant mode and alignment.
15571 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15572 to default definition.
15573 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15574 and alignment.
15575 (move_by_pieces_ninsns): Likewise.
15576 (clear_by_pieces): Likewise.
15577 (emit_push_insn): Likewise.
15578 (store_field): Call macro with relevant mode and alignment.
15579 (expand_expr): Likewise.
15580 (expand_expr_unaligned): Likewise.
15582 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15583 (SLOW_UNALIGNED_ACCESS): Define.
15584 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15585 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15586 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15587 (toc_section): Likewise and .toc pseudo-op.
15588 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15589 64-bit mode.
15590 (TEXT_SECTION_ASM_OP): Likewise.
15591 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15592 32-bit offsets.
15594 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15595 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15596 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15597 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15598 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15600 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15602 * regclass.c: Revert my Jan 4 change to loop cost computation.
15604 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15606 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15607 compilation.
15609 2000-01-04 Stan Cox <scox@cygnus.com>
15611 * haifa-sched.c (build_control_flow): Change unreachable simple
15612 loop test to check if current block has only one predecessor.
15613 (find_rgns): Initialize degree. Use dest as degree index, not src.
15615 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15617 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15619 * calls.c (expand_call): Likewise for
15620 `old_stack_arg_under_construction'.
15622 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15624 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15625 `save_constant'.
15627 * gcc.c (execute): Likewise for `ut' and `st'.
15629 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15631 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15633 * jump.c (jump_optimize_1): Likewise for `temp2'.
15635 * local-alloc.c (block_alloc): Likewise for `r1'.
15637 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15639 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15640 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15642 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15643 and `set2'.
15645 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15646 and `goal_earlyclobber'.
15648 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15650 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15652 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15654 * unroll.c (copy_loop_body): Likewise for `copy'.
15656 * varasm.c (output_constructor): Likewise for `byte'.
15658 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15660 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15661 all FP constants for constant->reg moves.
15662 (ix86_split_to_parts): Try to convert memory address into immediate
15663 when available in the constant pool.
15664 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15665 moves.
15666 (LEGITIMATE_CONSTANT_P): Return 1.
15667 * i386.md (pushsf): New splitter to convert constant pool memory
15668 reference to immediate.
15669 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15670 reload.
15672 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15674 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15675 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15676 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15677 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15678 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15680 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15682 * ginclude/stdbool.h: Support compilation as C++.
15684 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15686 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15688 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15690 * regclass.c (regclass): Properly compute loop_cost. Adjust
15691 comments.
15693 * regclass.c: Fix minor whitespace problems.
15695 2000-01-03 Anthony Green <green@cygnus.com>
15697 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15698 Restore the pic register if required.
15700 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15702 * c-common.c (format_char_info): Update comment.
15703 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15704 was recognized. Emit warning for formats new in ISO C99 only
15705 if flag_isoc9x is not set.
15707 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15709 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15711 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15713 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15714 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15715 (make_compound_operation): Choose cheaper alternative between
15716 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15718 * regclass.c (op_costs): Remove global variable.
15719 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15720 (record_operand_costs): Break out from ...
15721 (scan_one_insn): ... here.
15722 (dump_regclass): Make dumps nicer.
15723 (regclass): Dump preferrences choosed and changes done during passes.
15725 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15727 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15729 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15731 * config/sparc/sparc.c (gen_df_reg): New function.
15732 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15733 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15734 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15735 movtf_cc_reg_sp64+1): Use it.
15737 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15739 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15740 copied LABEL_DECLs.
15742 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15744 * config/i386/i386.c (ix86_expand_unary_operator): Function
15745 definition made void.
15746 (ix86_expand_binary_operator): Update outdated preceding comment.
15747 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15748 prototype.
15750 * config/i386/i386.c (override_options): Fix option-name typo.
15752 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15754 * system.h (CEIL): Define.
15755 * builtins.c (CEIL): Remove.
15756 * expmed.c (CEIL): Likewise.
15757 * expr.c (CEIL): Likewise.
15758 * stor-layout.c (CEIL): Likewise.
15760 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15762 * expr.c (store_constructor_field): Fix typo introduced with last
15763 gcc2 merge.
15765 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15767 * tree.h (BINFO_N_BASETYPES): New macro.
15769 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15771 * expmed.c (emit_store_flag): Prevent losing a pending stack
15772 adjust the same way we prevent losing queued increments.
15774 See ChangeLog.2 for earlier changes.