1 2000-08-30 Greg McGary <greg@mcgary.org>
3 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
4 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
5 (TREE_INT_CST): New macro.
6 * varasm.c (const_hash, compare_constant_1, record_constant_1):
7 Use new macro TREE_INT_CST.
9 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
11 * contrib.texi: Add self.
13 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
15 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
16 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
19 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
21 * fixinc/gnu-regex.c: Don't define `const'.
23 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
25 * expr.c (store_constructor): Allow variable bounds of array type.
26 (expand_expr): Don't blow up if type is ERROR_MARK.
27 * varasm.c (output_constructor): Don't access lower bound of array
28 type unless need it if index is supplied (so it can be a variable
29 if no index is supplied).
30 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
33 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
35 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
36 for compilations in stage 1 and subsequent stages, respectively.
37 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
39 * x-vax, x-vax-gcc: Deleted.
41 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
43 * c-common.c (declare_function_name): Use func_id_node,
44 function_id_node, and pretty_function_id_node. Do not make
45 __func__ visible at file scope.
46 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
47 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
48 (function_id_node, pretty_function_id_node, func_id_node): New
50 * c-decl.c (init_decl_processing): Initialize function_id_node,
51 pretty_function_id_node, and func_id_node.
52 (c_make_fname_decl): Correct comment.
54 * tree.h (struct tree_identifier): Constify pointer member.
56 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
57 * c-pragma.h (struct weak_syms): Constify name and value members.
58 (add_weak): Constify arguments.
60 * calls.c (special_function_p): Constify a char *.
61 (expand_call): Remove variable which is initialized and then
63 * dependence.c (struct def_use, struct induction, struct subscript):
64 Constify 'variable' member.
65 (get_low_bound, have_induction_variable): Constify char * argument.
66 (find_induction_variable): Add braces to avoid dangling else.
67 (classify_dependence): Constify char * arrays.
68 * profile.c (output_func_start_profiler): Constify a char *.
69 * stor-layout.c (finalize_record_size): Constify a char *.
70 * tree.c (is_attribute_p): Constify a char *.
71 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
73 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
74 for comprehensibility. Do not call get_identifier if we did
75 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
76 create temporary string constants, not ggc_alloc_string. No
77 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
78 char * to hold IDENTIFIER_POINTERs.
80 2000-08-29 Richard Henderson <rth@cygnus.com>
82 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
85 2000-08-29 Richard Henderson <rth@cygnus.com>
87 * reload.c (push_secondary_reload): Allow class == reload_class
88 if we're using a reload_in/out pattern.
90 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
91 the half that does not conflict with the reload register.
92 (reload_outti): Likewise.
94 2000-08-29 Kazu Hirata <kazu@hxi.com>
96 * reload.c: Fix formatting.
98 * stmt.c: Fix formatting.
100 * gcc.c: Fix formatting.
102 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
104 * flags.h (time_report, mem_report): New global flags.
105 * toplev.c: Define time_report and mem_report.
106 (f_options): Add -ftime-report and -fmem-report.
107 (compile_file): Turn on time_report if quiet_flag is off.
108 Call ggc_print_statistics at very end if mem_report is on.
109 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
111 * ggc-common.c (ggc_print_statistics): Rename to
112 ggc_print_common_statistics; all callers changed. Scale
113 quantities above 10K to kilobytes and above 10M to megabytes.
114 * ggc-page.c (ggc_page_print_statistics): Rename to
115 ggc_print_statistics. Report memory consumed by internal data
116 structures for each allocation bucket. Scale quantities above
117 10K to kilobytes and above 10M to megabytes.
118 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
119 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
120 Define tally_leaves always.
121 (ggc_print_statistics): New function.
122 * ggc.h: Adjust for renamed functions.
124 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
126 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
127 output_movsisf instead of which_alternative.
129 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
131 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
133 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
134 (avr_progmem_p): New prototype.
135 (output_movsisf): Prototype declaration changed.
136 (output_movqi): New prototype.
137 (output_movhi): New prototype.
138 (call_insn_operand): Likewise.
139 (final_prescan_insn): Likewise.
140 (avr_simplify_comparision_p): Likewise.
141 (avr_normalize_condition): Likewise.
142 (compare_eq_p): Likewise.
143 (out_shift_with_cnt): Likewise.
144 (const_int_pow2_p): Likewise.
145 (output_reload_inhi): Prototype declaration changed.
147 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
148 (ldi_reg_rtx): New. rtx for r31.
149 (avr_init_stack): Initialize as "__stack".
150 (function_prologue): Use it.
151 Replace all TARGET_ENHANCED with AVR_ENHANCED.
152 (avr_mcu_name): Initialize as "avr2".
153 (avr_enhanced_p, avr_mega_p): New variables.
154 (mcu_types, avr_override_options): Handle all known MCU types.
155 Also handle avr1 (only preprocess, assemble and link).
156 (print_operand): Using of `%K' in output template removed.
157 (out_movqi_r_mr): Optimized.
158 (out_movhi_r_mr): Likewise.
159 (output_movqi): New function.
160 (output_movhi): Likewise.
161 (out_movsi_r_mr): Optimized.
162 (output_movsisf): Compute insn length for `adjust_insn_length'
163 (out_movqi_mr_r): Optimized.
164 (out_movhi_mr_r): Optimized.
165 (adjust_insn_length): Use output_movsisf, output_movqi,
166 output_movhi for insn length adjusting.
167 (reg_unused_after): Use dead_or_set_p.
168 (preferred_reload_class): Now havn't any restriction.
169 (reg_was_0): New function.
170 (io_address_p): Likewise.
171 (const_int_pow2_p): Likewise.
172 (output_reload_inhi): Likewise.
173 (output_reload_insisf): Likewise.
175 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
176 (LIB_SPEC): Use -lc for all supported devices.
177 (LIBGCC_SPEC): Use -lgcc for all supported devices.
178 (AVR_MEGA): Define as avr_mega_p.
179 (AVR_ENHANCED): New, define as avr_enhanced_p.
180 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
181 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
182 (CRT_BINUTILS_SPECS): Handle all known MCU types.
183 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
184 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
185 (ASM_SPEC): Pass -mmcu=... to the assembler.
186 Change all -DAVR_* to -D__AVR_*__.
187 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
188 Rename library functions to start with two underscores.
189 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
191 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
192 (SUPPORTS_WEAK): Likewise.
193 (LDI_REG_REGNO): New. Register r31 will be used as temporary
194 register for loading constants to r0-r14.
196 * config/avr/avr.md: Replace all TARGET_ENHANCED with
198 (*mov_r_sp): Removed. Handled by output_movhi.
199 (*mov_sp_r): Likewise.
200 (*mov_sp_r_no_interrupts): Likewise
201 (*mov_sp_r_tiny): Likewise.
202 (*movqi): Use output_movqi.
204 (*movhi): Use output_movhi.
206 (*negsi2): Optimized.
208 Added peepholes (define_peephole2) for loading constants to r0-r14
209 and for using `cpse' command.
211 * config/avr/libgcc.S: Rename library functions to start with two
213 Add support for enhanced core.
214 (_moqhi3): Fix typo, now _modqi3.
215 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
216 (__prologue_saves__): Remove test for stack adjust by 0.
217 (__tablejump__): New.
219 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
220 Add multilib support.
222 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
224 * loop.c (prescan_loop): Don't check unknown_address_altered
225 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
226 to loop_store_mems as necessary.
227 (loop_invariant_p): Don't check unknown_address_altered
228 or unknown_constant_address_altered.
230 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
232 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
234 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
236 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
237 print just the filename.
238 * cpplex.c (_cpp_run_directive): Add additional argument, the
239 name to give the synthetic buffer. This defaults to
240 translated "<command line>".
241 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
243 (_cpp_define_builtin): New function.
244 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
245 * cpphash.h: Update prototypes.
247 * tradcpp.c (main): Process -D and -U simultaneously, in the
248 order they appeared on the command line.
250 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * c-decl.c (define_label): Call warning_with_file_and_line and
253 error_with_file_and_line instead of plain warning or error.
255 * c-parse.in (label): Use save_filename/save_lineno to ensure
256 correct values for calls to define_label.
258 2000-08-29 Mark Mitchell <mark@codesourcery.com>
260 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
262 * expr.c (expand_expr, case TARGET_EXPR): Don't call
264 * tree.h (get_file_function_name): Remove two duplicate
267 2000-08-28 Kazu Hirata <kazu@hxi.com>
269 * tree.c: Fix formatting.
271 * xcoffout.c: Fix formatting.
273 2000-08-28 Jason Merrill <jason@redhat.com>
275 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
277 2000-08-28 Daniel Berlin <dberlin@redhat.com>
279 * dwarf2out.c (dwarf2out_finish): Don't bother calling
280 break_out_includes if it won't do anything.
282 2000-08-28 Richard Henderson <rth@cygnus.com>
284 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
285 (find_reloads): Likewise.
286 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
287 (reload_inhi): Likewise.
289 2000-08-28 Richard Henderson <rth@cygnus.com>
291 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
292 (call_insn_operand): Don't expect a surrounding mem.
293 (constant_call_address_operand): Likewise.
294 * config/i386/i386.h (PREDICATE_CODES): Update.
295 * config/i386/i386.md (call patterns): Move the match_operand
296 for the call destination inside the mem.
298 2000-08-28 Richard Henderson <rth@cygnus.com>
300 * local-alloc.c (requires_inout): Don't use reserved range for
301 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
302 * recog.c (asm_operand_ok): Likewise.
303 (preprocess_constraints, constrain_operands): Likewise.
304 * regclass.c (record_reg_classes): Likewise.
305 * reload.c (find_reloads): Likewise.
306 * reload1.c (maybe_fix_stack_asms): Likewise.
307 (reload_cse_simplify_operands): Likewise.
308 * stmt.c (expand_asm_operands): Likewise.
310 * md.texi: Update constraints documentation.
311 * tm.texi (EXTRA_CONSTRAINT): Update.
313 2000-08-28 Daniel Berlin <dberlin@redhat.com>
315 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
316 (print_die): If we don't know the offset of the
317 target die, try the symbol. Add a trailing newline.
318 (reverse_all_dies): New fn.
319 (dwarf2out_finish): Call it.
320 (break_out_includes): Reorganize for clarity.
321 (add_sibling_attributes): Don't call reverse_die_lists.
322 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
324 * flags.h: Add flag_eliminate_dwarf2_dups.
325 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
327 2000-08-28 Jason Merrill <jason@redhat.com>
329 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
330 * dwarf2out.c: #include "md5.h".
331 (DIE_LABEL_PREFIX): New macro.
332 (dw_val_struct): Add 'external' flag to val_die_ref.
333 (add_AT_die_ref, AT_ref): Adjust.
334 (AT_ref_external, set_AT_ref_external): New fns.
335 (build_abbrev_table): Call set_AT_ref_external.
336 (value_format): Call AT_ref_external.
337 (die_struct): Add die_symbol field.
339 (dwarf_tag_name): Handle BINCL/EINCL.
340 (dwarf2out_start_source_file): Add BINCL DIE.
341 (dwarf2out_end_source_file): Add EINCL DIE.
342 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
343 (loc_checksum, attr_checksum, die_checksum): New fns.
344 (is_type_die, is_comdat_die, is_symbol_die): New fns.
345 (compute_section_prefix, assign_symbol_names): New fns.
346 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
347 (output_die): Call output_die_symbol and AT_ref_external.
348 (output_comdat_comp_unit): New fn, split out from...
349 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
351 (output_pubnames, output_aranges): Abort if we see entries from
353 * toplev.h: Declare file_name_nondirectory.
354 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
355 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
356 (debug_start_source_file): Call dwarf2out_start_source_file
357 regardless of debug verbosity.
358 (debug_end_source_file): Similarly.
359 * tree.h: Declare clean_symbol_name.
360 * tree.c (clean_symbol_name): Split out from...
361 (get_file_function_name_long): ...here.
363 * dwarf2out.c (new_loc_descr): Use calloc.
364 (splice_child_die): Remove the die from the right parent.
365 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
367 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
369 * toplev.c (decode_g_option): Don't give warning for unknown -g
370 option; return 0 instead.
371 (main): If -g option is not recognized by front end or
372 language-independent code, give warning.
374 2000-08-28 Greg McGary <greg@mcgary.org>
376 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
377 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
378 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
380 2000-08-27 Greg McGary <greg@mcgary.org>
382 * cpplex.c (parse_string): Don't look for backslash
383 before first char in `namebuf'.
384 * loop.c (strength_reduce): Skip NOTEs.
386 2000-08-27 Jason Merrill <jason@redhat.com>
388 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
389 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
390 TREE_ASM_WRITTEN, either.
391 (finish_decl): Adjust.
393 2000-08-28 Philipp Thomas <pthomas@suse.de>
395 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
396 they have been incorporated into the gettext CVS. Change the text to
397 reflect the current status of NLS. Add instructions for accessing
398 the gettext CVS and add the patch from Martin v. Loewis.
400 2000-08-27 Geoff Keating <geoffk@cygnus.com>
402 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
403 by using gen_lowpart_common.
404 (movdi_internal64+6): Likewise.
406 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
408 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
411 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
412 numbers to the ranges used by GDB.
414 2000-08-25 Richard Henderson <rth@cygnus.com>
416 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
417 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
418 (ia64_expand_prologue): Likewise.
419 (ia64_setup_incoming_varargs): Set it. Properly skip the current
420 argument for stdargs.
422 2000-08-25 Jason Merrill <jason@redhat.com>
424 * integrate.c (expand_inline_function): Pull out the original decl.
426 2000-08-25 Jim Wilson <wilson@cygnus.com>
428 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
430 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
432 2000-08-25 Greg McGary <greg@mcgary.org>
434 * flow.c (dump_edge_info): Use ARRAY_SIZE.
435 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
437 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
439 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
441 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
443 * i386.c (ix86_find_base_term): New.
444 * i386-protos.h (ix86_find_base_term): Prototype.
445 * i386.h (FIND_BASE_TERM): Define.
446 * alias.c (find_base_term): Use it.
447 * tm.texi (FIND_BASE_TERM): Document it.
449 * alias.c (true_dependence, write_dependence_p): Unchanging
450 memory can't conflict with non-unchanging memory.
452 * alias.c (memrefs_conflict_p): A BLKmode reference
453 to a symbol (or CONST_INT address) always conflicts
454 with a reference to another symbol.
456 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
458 * c-common.c (time_char_table): Don't allow width and flags with
461 2000-08-25 Jakub Jelinek <jakub@redhat.com>
463 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
464 way as LT and LTU when the second operand has 0 in low word.
466 2000-08-26 Michael Hayes <mhayes@cygnus.com>
468 * basic-block.h (struct loop): Rename `exits' field to
469 `exit_edges'. Add `entry_edges' and `num_entries' fields.
471 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
472 (flow_loop_entry_edges_find): Add.
473 (flow_edge_list_print): Rename from flow_exits_print.
474 (flow_loops_find): Call flow_loop_entry_edges_find.
475 (flow_loop_dump): Dump entry_edges list.
476 (flow_loops_free): Free entry_edges.
478 2000-08-26 Michael Hayes <mhayes@cygnus.com>
480 * loop.c (loop_dump_aux, debug_loop): New functions.
481 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
483 * flow.c (flow_loops_dump): Add callback parameter.
484 (flow_loop_dump): Add callback parameter and call it. Move
485 loop note debugging code to loop_dump_aux.
487 * basic-block.h (flow_loop_dump): Add callback parameter
488 (flow_loops_dump): Likewise.
490 * toplev.c (rest_of_compilation): Add NULL callback function pointer
491 to call to flow_loops_dump.
493 2000-08-26 Michael Hayes <mhayes@cygnus.com>
495 * loop.c (count_loop_regs_set): Replace start and end arguments
496 with loop argument. All callers udated.
498 2000-08-26 Michael Hayes <mhayes@cygnus.com>
500 * loop.c (constant_high_bytes): Delete.
502 2000-08-26 Michael Hayes <mhayes@cygnus.com>
504 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
505 and NOTE_INSN_LOOP_VTOP to...
506 (find_and_verify_loops) ...here.
508 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
510 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
511 (fini_dummy, init_dummy): Use it.
513 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
515 * cpplex.c (is_macro_disabled): Caller has already checked
516 that we're not a preprocessed file.
518 2000-08-24 Mark Mitchell <mark@codesourcery.com>
520 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
521 (c-iterate.o): Remove target.
522 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
523 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
524 (finish_decl): Don't handle iterators.
525 (grokdeclarator): Likewise.
526 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
527 * gcc/c-gperf.h: Regenerated.
528 * gcc/c-iterate.c: Removed.
529 * gcc/c-lex.c (init_lex): Don't handle iterators.
530 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
531 (compstmt_primary_start): Remove push_iterator_stack call.
532 (stmt): Don't allow iterator statements. Replace iterator_expand
533 with expand_expr_stmt.
534 (all_iter_stmt): Remove.
535 (all_iter_stmt_simple): Likewise.
536 (all_iter_stmt_with_decl): Likewise.
537 * gcc/c-tree.h (ITERATOR_P): Remove.
538 (ITERATOR_BOUND_P): Likewise.
539 (init_iterators): Remove declaration.
540 (iterator_expand): Likewise.
541 (iterator_for_loop_start): Likewise.
542 (iterator_for_loop_end): Likewise.
543 (iterator_for_loop_record): Likewise.
544 (push_iterator_stack): Likewise.
545 (pop_iterator_stack): Likewise.
546 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
547 (readonly_warning): Likewise.
548 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
550 2000-08-24 Jim Wilson <wilson@cygnus.com>
552 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
553 Copy type in a TYPE_DECL, just like pushdecl does.
555 2000-08-24 Richard Henderson <rth@cygnus.com>
557 * toplev.c (main): Enable flag_reorder_blocks at -O2.
559 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
561 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
562 asked for one page, allocate GGC_QUIRE_SIZE of them and put
563 the extras on the free list.
564 (release_pages): Clean up.
565 (ggc_set_mark): Don't adjust G.allocated here...
566 (sweep_pages): ... do it here.
568 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
570 * cppfiles.c (read_include_file): Rearrange initializations.
572 2000-08-24 Richard Henderson <rth@cygnus.com>
574 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
576 * config/ia64/ia64-protos.h: Update.
577 * config/ia64/ia64.c (gr_register_operand): New.
578 (fr_register_operand, grfr_register_operand): New.
579 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
580 (grfr_reg_or_8bit_operand): New.
581 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
582 use gr_register_operand.
583 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
584 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
585 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
586 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
587 (fr_reg_or_fp01_operand): Likewise.
588 (not_postinc_memory_operand): New.
589 (ia64_split_timode): Remove unused variables.
590 (rtx_needs_barrier): Check arguments to cmpxchg.
591 (builtin_description): Remove.
592 (bdesc_2argsi, bdesc_2argdi): Remove.
593 (ia64_init_builtins): Declare all builtins directly.
594 (ia64_expand_fetch_and_op): Rewrite to be called from
595 ia64_expand_builtin directly. Use expand_binop and co.
596 (ia64_expand_op_and_fetch): Likewise.
597 (ia64_expand_compare_and_swap): Likewise.
598 (ia64_expand_binop_builtin): Remove.
599 (ia64_expand_lock_test_and_set): New.
600 (ia64_expand_lock_release): New.
601 (ia64_expand_builtin): Use them.
602 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
603 (EXTRA_CONSTRAINT): Use it.
604 (PREDICATE_CODES): Update.
605 * config/ia64/ia64.md (*): Use gr_register_operand and co.
606 (mf): Indicate that we set memory as well as use it.
607 (fetchadd_acq_si): Show memory being modified as well.
608 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
609 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
610 (lock_test_and_set_si, lock_test_and_set_di): Remove.
611 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
612 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
613 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
614 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
615 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
616 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
617 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
618 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
619 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
620 return type. Pretty print definitions.
622 2000-08-24 Jim Wilson <wilson@cygnus.com>
624 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
625 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
627 2000-08-24 Jason Merrill <jason@redhat.com>
629 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
630 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
631 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
632 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
634 2000-08-24 Greg McGary <greg@mcgary.org>
636 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
637 and extendtab within their proper array boundaries.
638 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
639 for the entire array.
641 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
642 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
643 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
644 * config/fr30/fr30.c (fr30_print_operand): Likewise.
645 * config/i386/dgux.c (output_options): Likewise.
646 * config/i386/dgux.h (ASM_FILE_START): Likewise.
647 * config/m88k/m88k.c (output_options): Likewise.
648 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
649 * config/mcore/mcore.c (mcore_output_inline_const_forced,
650 layout_mcore_frame, handle_structs_in_regs): Likewise.
651 * config/mips/mips.c (output_block_move): Likewise.
652 * config/rs6000/rs6000.c (rs6000_override_options,
653 rs6000_file_start): Likewise.
654 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
655 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
656 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
657 * builtins.c (expand_builtin_setjmp): Likewise.
658 * expr.c (safe_from_p): Likewise.
659 * flow.c (life_analysis): Likewise.
660 * fold-const.c (size_int_type_wide): Likewise.
661 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
662 * genattrtab.c (make_length_attrs): Likewise.
663 * genopinit.c (gen_insn): Likewise.
664 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
665 * global.c (global_alloc): Likewise.
666 * local-alloc.c (find_free_reg): Likewise.
667 * mips-tdump.c (print_symbol): Likewise.
668 * mips-tfile.c (parse_def, parse_input): Likewise.
669 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
670 * stmt.c (expand_nl_goto_receiver): Likewise.
671 * stor-layout.c (set_sizetype): Likewise.
672 * varasm.c (decode_reg_name): Likewise.
673 * toplev.c (decode_f_option, decode_W_option,
674 set_target_switch, print_switch_values): Likewise.
675 (NUM_ELEM): Remove macro.
676 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
678 2000-08-24 Greg McGary <greg@mcgary.org>
680 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
681 (MAIN_NAME_P, main_identifier_node): New macros.
682 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
683 * c-decl.c (start_decl, grokdeclarator, start_function,
684 store_parm_decls, finish_function): Use MAIN_NAME_P.
685 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
686 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
687 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
688 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
690 2000-08-24 Greg McGary <greg@mcgary.org>
692 * cppfiles.c (actual_directory): Don't write beyond `dir'
694 * real.c (asctoeg): Stay within bounds of etens[][].
696 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
698 * dependence.c (dependence_string, direction_string,
699 dump_one_node, dump_node_dependence): Hide unused identifiers.
700 (get_low_bound, normalize_coefficients): Match definition to
702 (get_one_coefficient): Initialize variables `value0_is_idx' and
704 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
705 (ziv_test): Delete variable `idx', use parameter `sub' instead.
706 (direction_merge): Avoid automatic aggregate initialization.
707 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
708 Initialize variables `dest_idx' and `src_idx'.
709 (end_dependence_analysis): Avoid C89 style function definition.
711 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
713 * c-common.c (time_char_table): Don't allow width with %F.
714 (check_format_info): Don't allow "Z" length with scanf.
716 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
718 * diagnostic.c (finish_diagnostic): Define.
719 (output_do_printf): Use wrap_text instead of output_add_string.
720 (default_print_error_function): Avoid embedded '\n'.
722 * diagnostic.h (flush_diagnostic_buffer): Declare.
724 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
726 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
728 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
730 * Makefile.in (GCC_PASSES): Add specs.
732 2000-08-23 Jim Wilson <wilson@cygnus.com>
734 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
735 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
736 EHANDLER nor UHANDLER bit is set.
737 (__get_except_table): Likewise.
739 2000-08-23 Nick Clifton <nickc@redhat.com>
741 * config/arm/lib1funcs.asm: Replace upper case condition codes
742 with lower case versions.
744 * config/arm/arm.h (STRUCT_VALUE): Define.
745 (STRUCT_VALUE_REGNUM): Delete.
747 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
749 * cpphash.h (IN_I): New flag for directive table.
750 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
752 (_cpp_check_directive): If -fpreprocessed, execute directives
753 marked with IN_I. Issue no warnings in this case.
754 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
756 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
758 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
760 (check_format_info): Support printf 'I' flag; warn about it with
763 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
765 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
766 barrier can't be ignored by the alias analysis code.
768 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
770 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
771 works inside fixincl.
773 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
775 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
776 simplify_relational_operation() unless both operands are of
778 * cse.c (fold_rtx): Likewise.
780 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
782 * rtlanal.c (rtx_unstable_p): The pic register is stable
783 (within one function) and the actual rtx should be used
784 when checking the registers.
785 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
787 * alias.c (true_dependence, write_dependence_p): Fix
788 bug in previous patch.
790 * i386.c (ix86_GOT_alias_set): New.
791 (legitimize_pic_address): Use it.
793 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
794 only stable if its address is stable.
795 (rtx_varies_p): An unchanging MEM can't vary if
796 its address doesn't vary.
798 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
800 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
802 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
804 * vax.h (ASM_SPEC): Pass `-J' to assembler.
805 * x-vax-gcc: New file for bootstrapping with gcc.
806 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
807 * configure.in: Use x-vax-gcc with gcc.
808 * configure: Rebuilt.
810 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
812 * toplev.c (rest_of_compilation): Rebuild label notes after
813 post-reload splitting pass if new labels have been created.
815 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
817 * diagnostic.h (output_buffer_state): New macro.
818 * diagnostic.c (diagnostic_for_decl, sorry,
819 default_print_error_function, output_do_verbatim,
820 report_diagnostic, report_problematic_module): Use it.
822 (output_format): Use wrap_text instead of maybe_wrap_text.
824 2000-08-22 Nick Clifton <nickc@redhat.com>
826 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
827 Common code for ARM divide and modulus functions.
828 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
830 (FUNC_END): New macro: Common code at the end of the division and
832 (THUMB_FUNCTION_START): New macro: Common code at the start of
834 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
836 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
838 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
840 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
841 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
844 2000-08-22 Nick Clifton <nickc@redhat.com>
846 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
847 restorative additions, test for bottom bits of IP being set,
848 rather than relying upon the RORs not matching.
851 2000-08-22 David Edelsohn <edelsohn@gnu.org>
853 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
854 text_section() as appropriate instead of emitting text csect
856 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
857 (UNIQUE_SECTION): Define macro.
858 (ASM_OUTPUT_SECTION_NAME): Define macro.
859 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
860 on AIX if debugging and -fdata-sections always.
862 2000-08-22 Steven King <sxking@uswest.net>
864 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
866 (LDBL_MAX): Same here.
868 2000-08-22 Richard Henderson <rth@cygnus.com>
870 * flow.c (tidy_fallthru_edge): Update b->end properly.
872 2000-08-22 Stan Cox <scox@redhat.com>
874 * Makefile.in (OBJS): Add dependence.o.
875 * dependence.c: New file.
877 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
879 * calls.c (check_sibcall_argument_overlap_1): Adjust for
881 (check_sibcall_argument_overlap): Likewise.
883 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
885 * invoke.texi (SH Options): Document -m4-nofpu,
886 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
887 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
889 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
891 * c-common.c (check_format_info): Give the 'some locales' warning
892 for strftime %Ey rather than the unconditional 'only last 2 digits
895 2000-08-22 Richard Henderson <rth@cygnus.com>
897 * alias.c (init_alias_analysis): Do not register
898 struct_value_incoming_rtx or static_chain_rtx as pointing
901 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
903 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
905 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
907 * diagnostic.h (report_problematic_module): Declare.
908 * diagnostic.c (report_problematic_module): New function.
909 (report_error_function): Tweak.
911 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
913 * stmt.c (expand_goto_internal, fixup_gotos): Only check
914 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
916 2000-08-21 Richard Henderson <rth@cygnus.com>
918 * flow.c (calculate_global_regs_live): Mark frame pointer live
919 everywhere before reload.
921 2000-08-21 Jim Wilson <wilson@cygnus.com>
923 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
924 INTEL_EXTENDED_IEEE_FORMAT.
925 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
926 clear last two bytes of output FP value.
928 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
930 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
932 2000-08-21 Jakub Jelinek <jakub@redhat.com>
934 * unroll.c (loop_find_equiv_value): If ret is modified between
935 insn and loop_start, ret might not be equivalent to reg.
937 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
939 * c-common.c (init_dollar_format_checking,
940 maybe_read_dollar_number, finish_dollar_format_checking): New
942 (dollar_arguments_used, dollar_arguments_count,
943 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
945 (check_format_info): Support $ formats for scanf and printf width
946 and precision. Always increment format_chars to advance past the
947 '*' of precision, not just when the format parameters are
950 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
952 * mips.c (block_move_loop, expand_block_move,
953 function_arg_partial_nregs, save_restore_insns, function_prologue,
954 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
956 (function_arg_advance, function_arg): Match argument to format
959 2000-08-21 Nix <nix@esperi.demon.co.uk>
961 * gcc.c (do_spec_1): Implement %j spec flag.
964 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
965 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
966 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
967 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
969 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
970 writable) instead of hardcoded value.
972 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
974 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
977 * gcc.c (cc1_options): Do not process -o or run the assembler if
979 * objc/lang-spec.h: Likewise.
981 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
983 * fixinc/fixincl.c (fix_with_system): Pipe the output of
984 "external" fixes through `cat', to avoid truncating the input
987 2000-08-21 Jakub Jelinek <jakub@redhat.com>
989 * config/i386/i386.md (lea_general_1): Copy insn condition to split
991 (lea_general_2, lea_general_3): Likewise.
993 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
995 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
996 warnings to user code.
998 * c-lex.c (readescape, yylex): Likewise.
1000 * c-typeck.c (store_init_value, process_init_element): Likewise
1001 (c_expand_start_case): Format.
1003 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
1005 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
1007 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
1008 and linker_endian_spec to endian_spec.
1009 (ENDIAN_SPEC): Add %{EB} and %{EL}.
1010 (LINK_SPEC): Remove %{EB} and %{EL}.
1011 (ASM_SPEC): Likewise. Use %(endian_spec).
1013 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1015 * c-tree.h (flag_hosted): Move declaration from here...
1016 * c-common.h (flag_hosted): ... to here.
1017 (flag_noniso_default_format_attributes): New declaration.
1018 * c-decl.c (flag_noniso_default_format_attributes): New variable.
1019 (c_decode_option): Set it appropriately for options choosing
1020 language standard variant.
1021 * c-common.c (init_function_format_info): Only provide default
1022 format attributes if flag_hosted. Only provide the gettext
1023 formats if flag_noniso_default_format_attributes. Update
1025 (check_format_info): Disable treatment of %a as a scanf flag in
1028 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
1030 * c-common.c (scan_char_table): Add 'w' to flags for all formats
1032 (check_format_info): Set 'wide' for scanf format widths. Warn for
1033 a zero scanf width. Make the check for writing into a constant
1034 object at the first level of indirection; at later levels, warn if
1035 any type qualifiers are encountered.
1037 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
1039 * reload.c (reload_inner_reg_of_subreg): New function broken out of
1041 (push_reload): Use reload_inner_reg_of_subreg.
1042 (combine_reloads): Do not combine reloads if the input reload
1043 is a SUBREG in which the inner part will need reloading.
1045 * global.c (global_alloc): Avoid passing dumpfile argument to
1047 * toplev.c (rest_of_compilation): Likewise.
1048 * reload.h (reload): Remove dumpfile argument. Callers changed.
1049 (debug_reload, debug_reload_to_stream): Move prototypes here.
1050 * rtl.h (reload): Remove dumpfile argument.
1051 * reload.c (debug_reload): Remove prototype.
1052 (debug_reload_to_stream): Likewise.
1053 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
1056 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1058 * diagnostic.c (context_as_prefix): Export.
1059 (need_error_newline): Remove.
1060 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
1061 (error_module_changed, record_last_error_module,
1062 error_function_changed, record_last_error_function): New functions.
1063 (initialize_diagnostics): Default intialize
1064 lang_diagnostic_starter, lang_diagnostic_finalizer.
1065 (init_output_buffer): Tweak.
1066 (file_name_as_prefix): New function.
1067 (announce_function, default_print_error_function,
1068 report_error_function, set_diagnostic_context): Tweak.
1070 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
1072 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
1073 condition expression.
1075 2000-08-20 Richard Henderson <rth@cygnus.com>
1077 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
1079 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
1081 * cppinit.c (cpp_init): Set global flag when called.
1082 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
1084 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
1086 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
1087 before `process_directive' so that newlines won't be missed
1089 (cpp_printf): Increment `print->lineno' when newline is emitted.
1091 * cppmain.c (cb_ident): Likewise.
1092 (cb_define): Likewise.
1093 (cb_undef): Likewise.
1094 (cb_include): Likewise.
1095 (cb_def_pragma): Likewise.
1096 (dump_macros_helper): Likewise.
1098 2000-08-20 Richard Henderson <rth@cygnus.com>
1100 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
1101 assigned before a loop.
1103 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
1104 (ashrsi3, lshrsi3): Likewise.
1106 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1108 * c-lang.c: #include diagnostic.h
1109 (c_tree_printer): New function.
1110 (lang_init): Initialize lang_printer.
1112 * Makefile.in (c-lang.o): Depends on diagnostic.h
1114 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
1116 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
1118 * diagnostic.c (default_diagnostic_starter,
1119 default_diagnostic_finalizer): New functions.
1120 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
1121 (pedwarn, pedwarn_with_file_and_line, error,
1122 error_with_file_and_line, fatal, warning,
1123 warning_with_file_and_line): Adjust call to report_diagnostic.
1124 (report_diagnostic): Rework.
1125 (set_diagnostic_context): New function.
1127 * diagnostic.h (struct diagnostic_context): New data structure.
1128 (diagnostic_message, diagnostic_argument_list,
1129 diagnostic_file_location, diagnostic_line_location,
1130 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
1131 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
1132 (set_diagnostic_context): Declare.
1133 (report_diagnostic): Change prototype.
1135 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
1137 * fix-header.c (main): Initialize cpplib.
1139 2000-08-19 Michael Meissner <meissner@redhat.com>
1141 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
1142 instructions in it before checking for indirect jumps.
1144 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
1145 in a indirect jump as a potential for conditional execution.
1147 * d30v.h (d30v_init_expanders): Don't declare here.
1148 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
1151 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
1153 * cpp.texi: Add @section for assertions.
1155 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
1157 * loop.c (scan_loop): Use CONST_CALL_P instead of
1158 checking for REG_LIBCALL / REG_RETVAL.
1160 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
1162 * reload1.c (reload_as_needed): Accept dumpfile argument,
1163 pass it to emit_reload_insns.
1164 (emit_reload_insns): Add new dumpfile argument. If non-null
1165 then dump the reloads for each insn into the dumpfile.
1166 (reload): Pass dumpfile to reload_as_needed.
1168 * invoke.texi: Clean up linux-gnu vs linux comments.
1170 2000-08-19 Richard Henderson <rth@cygnus.com>
1172 * config/ia64/ia64.c (reg_or_5bit_operand): New.
1173 (ia64_depz_field_mask): New.
1174 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
1175 (PREDICATE_CODES): Update.
1176 * config/ia64/ia64.md: Update commentary.
1177 (depz_internal): New.
1178 (ashlsi3): Implement directly.
1179 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
1180 (ashldi3): Use shladd.
1181 * config/ia64/ia64-protos.h: Update.
1183 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1185 * toplev.c (independent_decode_option): Always process -g.
1186 Remove third argument, now unused. Adjust caller to match.
1188 2000-08-18 Richard Henderson <rth@cygnus.com>
1190 * combine.c (make_compound_operation): Break after creating
1193 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
1195 * cpplib.c (cpp_register_pragma_space): Just return if the
1196 namespace is already registered.
1198 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
1200 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
1201 constant amount. Do not generate ROTL instruction.
1203 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
1205 * config/sh/elf.h: Do not include sh/sh.h.
1206 * config/sh/rtems.h: Likewise.
1207 * config/sh/rtemself.h: Do not include sh/elf.h.
1208 * configure.in: Get them included with `tm_file's.
1209 * configure: Rebuilt.
1211 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
1212 * config/sh/sh.c (fpscr_set_from_mem): Use them.
1214 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1216 * stor-layout.c (compute_record_type): Don't use mode of single
1217 field as mode of record if not integer mode of same type.
1219 * regmove.c (perhaps_ends_bb_p): New function.
1220 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
1221 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
1222 (fixup_match_1): Likewise.
1223 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
1224 avoid signed/unsigned warnings.
1226 * function.c (fixup_var_refs_1, case MEM): Update CODE after
1229 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
1231 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
1232 (_cpp_trigraph_map): Declaration moved from cpplex.c
1234 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
1235 instead of 256. Use consistent test for designated initializers.
1236 (cpp_init): Initialize trigraph_map.
1237 (initialize_standard_includes, parse_option): Use memcmp
1240 * cpplex.c (init_trigraph_map): Remove.
1241 (trigraph_ok, trigraph_replace, lex_line): Refer to
1244 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
1245 (do_unassert): Remove unused "next" local.
1247 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
1249 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
1251 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
1254 2000-08-17 Richard Henderson <rth@cygnus.com>
1256 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
1257 the first insn in a sequence.
1259 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
1261 * alias.c (true_dependence, write_dependence_p): A read
1262 involving a label_ref or the constant pool doesn't create
1265 * rtl.h (unchanging): Improve documentation.
1267 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
1269 * cse.c (insert_regs): Remove unused `regno'.
1271 2000-08-17 Neil Booth <NeilB@earthling.net>
1273 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
1274 remove_dup_dirs. If qtail == brack, remove brack not
1276 (remove_dup_dir, remove_dup_dirs): New functions.
1278 2000-08-17 Neil Booth <NeilB@earthling.net>
1280 * cppinit.c (cpp_cleanup): Free include dir chains.
1281 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
1282 (do_unassert): Free the assert with _cpp_free_definition.
1283 * cppmacro.c (_cpp_free_definition): Free memory allocated for
1284 assertions. Make the node a T_VOID node.
1286 2000-08-17 Neil Booth <NeilB@earthling.net>
1288 * cppinit.c (path_include, append_include_chain):
1289 Remove 2nd parameter (struct cpp_pending *).
1290 (path_include, initialize_standard_includes, cpp_handle_option):
1291 Update callers appropriately.
1292 (cpp_handle_option): Use pend.
1294 2000-08-17 Neil Booth <NeilB@earthling.net>
1296 * cppinit.c (sort_options): Remove, put functionality in
1299 (initialize_builtins): Free memory.
1300 (cpp_start_read): Move init_IStable to cpp_init.
1302 * cpplib.h (cpp_init): New prototype.
1303 * cppmain.c (main): Call cpp_init.
1305 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
1307 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
1308 (rtx_unstable_p, rtx_varies_p): Process vectors.
1310 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
1312 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
1313 references to GLOBAL symbols. Use LOCAL where appropriate.
1315 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1317 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
1318 use t-aix41 when host == target.
1320 2000-08-16 Richard Henderson <rth@cygnus.com>
1322 * reload.c (push_secondary_reload): Revert last change.
1323 If we use a reload_in/out pattern, make the when the same
1324 as the primary reload.
1325 (find_reloads): Likewise.
1327 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
1329 * configure.in (libstdcxx-v3): Fix test.
1330 * configure: Regenerate.
1332 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1334 * calls.c (calls_function_1, expand_call): Only test
1335 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
1336 * function.c (thread_prologue_and_epilogue_insns): Likewise.
1338 2000-08-16 Richard Henderson <rth@cygnus.com>
1340 * combine.c (simplify_shift_const): Revert previous two
1341 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
1342 before the main loop.
1344 2000-08-15 Richard Henderson <rth@cygnus.com>
1346 * combine.c (simplify_shift_const): Bound shift count when
1349 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1351 * calls.c (ECF_SP_DEPRESSED): New macro.
1352 (calls_function_1): Treat calling sp-depressed function as alloca.
1353 (emit_call_1): Don't adjust SP if calling sp-depressed function.
1354 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
1355 If sp-depressed, ensure block saves and restores SP.
1356 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
1358 * function.c (keep_stack_depressed): New function.
1359 (thread_prologue_and_epilogue_insns): Call it.
1360 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
1361 to print DECL_OFFSET_ALIGN.
1362 Print no-force-blk and transparent-union flags properly.
1363 * stmt.c (expand_goto_internal): Don't restore stack if last block
1364 and function returns with sp depressed.
1365 (fixup_gotos): Likewise.
1366 (save_stack_pointer): New function, from code in expand_decl.
1367 (expand_decl): Call new function.
1368 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
1369 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
1370 (save_stack_pointer): New declaration.
1372 * diagnostic.c (fatal_function): New variable.
1373 (set_fatal_function): New function.
1375 * diagnostic.h (set_fatal_function): New declaration.
1377 2000-08-15 William Cohen <wcohen@redhat.com>
1379 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
1380 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
1381 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
1383 2000-08-15 Richard Henderson <rth@cygnus.com>
1385 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
1387 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1389 * arm.c (arm_function_ok_for_sibcall): New function.
1390 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
1391 * arm.md (call expanders): Don't check here for calls that can't
1394 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1396 * arm.md (splits generating cond_exec): Disable.
1398 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1400 * arm/linux-elf.h (text_section): Delete declaration.
1402 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
1404 ARM support for unordered FP operations.
1405 * arm-protos.h (arm_comparison_operator): Declare.
1406 * arm.c (arm_comparison_operator): New function.
1407 (arm_select_cc_mode): Add unordered comparison codes.
1408 (get_arm_condition_code): Likewise.
1409 (arm_final_prescan_insn): Can't handle unordered jumps that can't
1410 be done in one insn.
1411 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
1412 * arm.md (all uses of comparison_operator): Replace with
1413 arm_comparison_operator.
1414 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
1416 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
1419 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1421 * gthr-posix.h: Conditionally include <sched.h>; include
1422 <config.h> from libobjc/.
1424 2000-08-14 Richard Henderson <rth@cygnus.com>
1426 * config/i386/i386.c (legitimize_pic_address): Use Pmode
1429 2000-08-14 Richard Henderson <rth@cygnus.com>
1431 * configure.in (ia64-*): Set float_format for i386 long double.
1433 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
1434 as we would for i386 XFmode.
1435 (PUT_REAL): Likewise.
1436 (endian, ereal_atof, real_value_truncate): Likewise.
1437 (ereal_isneg, toe64, etens, make_nan): Likewise.
1438 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
1440 * config/ia64/ia64-protos.h: Update.
1441 * config/ia64/ia64.c (general_tfmode_operand): New.
1442 (destination_tfmode_operand): New.
1443 (tfreg_or_fp01_operand): New.
1444 (ia64_split_timode): New.
1445 (spill_tfmode_operand): New.
1446 (ia64_expand_prologue): Use TFmode not XFmode.
1447 (ia64_expand_epilogue): Likewise.
1448 (ia64_function_arg): Likewise.
1449 (ia64_function_arg_advance): Likewise.
1450 (ia64_return_in_memory): Likewise.
1451 (ia64_function_value): Likewise.
1452 (ia64_print_operand): Likewise.
1453 (ia64_register_move_cost): Set GR<->FR to 5.
1454 (ia64_secondary_reload_class): Get GR for TImode memory op.
1455 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
1456 (ROUND_TYPE_ALIGN): Remove.
1457 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
1458 (INTEL_EXTENDED_IEEE_FORMAT): Define.
1459 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
1460 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
1461 (MODES_TIEABLE_P): Use TFmode, not XFmode.
1462 (CLASS_MAX_NREGS): Likewise.
1463 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
1464 (PREDICATE_CODES): Update.
1465 * config/ia64/ia64.md (movti): New.
1466 (movti_internal): Use a clobber for memory alternatives.
1467 (reload_inti, reload_outti): New.
1468 (movsfcc_astep): Predicate properly.
1469 (movdfcc_astep): Likewise.
1472 (extendsftf2, extenddftf2): New.
1473 (trunctfsf2, trunctfdf2): New.
1474 (floatditf2, fix_trunctfdi2): New.
1475 (floatunsditf2, fixuns_trunctfdi2): New.
1476 (addtf3, subtf3, multf3, abstf2): New.
1477 (negtf2, nabstf2, mintf3, maxtf3): New.
1478 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
1480 (fr_spill): Use TFmode, not XFmode.
1481 (fr_restore): Likewise.
1482 * config/ia64/lib1funcs.asm (__divtf3): New.
1483 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
1485 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1487 * cse.c (fold_rtx): Avoid empty body in an if-statement.
1489 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
1490 `U' integer constant suffix.
1492 * dwarf2out.c (add_subscript_info): Avoid empty body in an
1495 * sparc/sol2.h (__enable_execute_stack): Prototype.
1497 2000-08-14 David Edelsohn <edelsohn@gnu.org>
1499 * collect2.c: Remove use of AIX import file.
1501 * longlong.h: Test ARCH_PWR not ARCH_POWER.
1503 * rs6000.c (print_operand, case 'E'): Add else.
1505 2000-08-14 Richard Henderson <rth@cygnus.com>
1507 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
1508 (movdi_symbolic): New.
1510 2000-08-14 Jim Wilson <wilson@cygnus.com>
1512 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1513 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
1514 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
1517 2000-08-14 Richard Henderson <rth@cygnus.com>
1519 * expr.c (emit_group_load): Don't force constants into registers.
1520 Special case source already in the correct mode.
1522 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
1524 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
1525 * fixinc/inclhack.def: Likewise.
1526 * fixinc/mkfixinc.sh: Likewise.
1527 * configure: Regenerate.
1528 * fixinc/fixincl.x: Regenerate.
1529 * install.texi: Document equivalence of linux and linux-gnu.
1531 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1533 * cse.c (insert_regs): Also in REG case: When finding an invalid
1534 value, and we make a new quantity, make sure that it won't be
1535 mistaken by for a valid one by mention_regs.
1537 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
1539 * h8300.md: Remove obsolete peepholes.
1541 2000-08-13 Kazu Hirata <kazu@hxi.com>
1543 * invoke.texi (H8/300 Options): Fix typos.
1544 * config/h8300.c: Fix formatting.
1545 * config/h8300.h: Fix comment typos.
1546 (OVERRIDE_OPTIONS): Fix formatting.
1548 * function.c: Fix formatting.
1550 * cse.c: Fix formatting.
1552 2000-08-13 Geoff Keating <geoffk@cygnus.com>
1554 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
1555 (attempt_auto_inc): Suppress parentheses warning.
1556 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
1557 * loop.c (load_mems): Remove `u' suffix in two places.
1558 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
1560 * config/rs6000/rs6000.h: Likewise.
1561 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
1562 __eabi dummy routine.
1563 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
1566 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
1567 not put stuff in .sdata unnecessarily.
1568 (rs6000_unique_section): New function.
1569 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
1570 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
1572 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
1573 arrays in C99. Don't try to look at DECL_REGISTER of a
1574 COMPONENT_REF. Don't complain twice about the same error.
1576 * fixinc/inclhack.def (aix_pthread): New fix.
1577 (aix_sysmachine): New fix.
1578 * fixinc/fixincl.x: Regenerate.
1580 * expr.c (expand_expr): Call convert_modes when turning a large
1581 multiply into a small one.
1583 2000-08-12 Geoff Keating <geoffk@cygnus.com>
1585 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
1586 the tree structure an exponent rather than an explicit alignment
1587 so it doesn't overflow.
1588 (SET_DECL_OFFSET_ALIGN): New macro.
1589 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
1590 rather than DECL_OFFSET_ALIGN.
1591 (place_field): Likewise.
1592 * expmed.c (store_bit_field): Abort on align==0 to avoid
1593 antisocial machine behaviour.
1595 2000-08-12 Richard Henderson <rth@cygnus.com>
1597 * sibcall.c (uses_addressof): Accept both addressof and
1598 current_function_internal_arg_pointer inside a mem.
1599 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
1600 if current_function_uses_addressof.
1601 * stmt.c (expand_return): Kill tail recursion and HAVE_return
1604 2000-08-11 Richard Henderson <rth@cygnus.com>
1606 * config/ia64/ia64.md (addsi3): Remove expander.
1607 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
1608 (*addsi3_shladd): New.
1610 2000-08-11 Richard Henderson <rth@cygnus.com>
1612 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
1613 (do_restore): Likewise.
1614 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
1615 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
1616 (rtx_needs_barrier): Track actual bit manipulation for
1617 ar.unat moves, gr_spill, and gr_restore.
1618 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
1619 (process_set): Don't handle varargs spills.
1620 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
1621 .mem.offset here instead of in process_set.
1622 (gr_restore): Likewise.
1624 2000-08-11 Richard Henderson <rth@cygnus.com>
1626 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
1628 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
1630 * gcc.texi (The Configuration File): Document
1631 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
1632 UPDATE_PATH_HOST_CANONICALIZATION.
1634 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1636 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
1637 unprototyped function pointer casts on integer constants.
1639 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
1641 * fixproto: Recognize DOS paths with drive letters as absolute paths.
1643 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
1645 * extend.texi (Volatiles): Fix typos.
1647 2000-08-11 Kazu Hirata <kazu@hxi.com>
1649 * flow.c: Fix formatting.
1651 2000-08-11 Richard Henderson <rth@cygnus.com>
1653 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
1654 pattern, always allocate a tertiary scratch register.
1656 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
1657 (reload_inhi): Likewise.
1659 2000-08-11 Richard Henderson <rth@cygnus.com>
1661 * function.c (put_reg_into_stack): Allow type to be NULL.
1662 (schedule_fixup_var_refs): Likewise.
1663 (gen_mem_addressof): Allow decl to be NULL.
1664 (put_addressof_into_stack): Likewise.
1666 * flow.c (merge_blocks_nomove): Be more careful about
1667 locating the beginning of block A.
1669 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
1671 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1676 * config.in: Reverted the check for <sched.h>.
1678 2000-08-10 Chris Demetriou <cgd@sibyte.com>
1680 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
1681 macros define the name of CTOR and DTOR sections.
1682 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1683 DTOR_LIST_END): Change to use attributes to specify
1685 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
1686 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
1687 DTOR_LIST_END): Same as in mips/elf.h.
1689 2000-08-10 Drew Moseley <dmoseley@redhat.com>
1691 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
1692 disabling just crt0.o.
1694 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
1696 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
1697 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
1698 (EXTRA_SPECS): Add them.
1699 * arm/lib1funcs.asm: Support builds for interworking.
1700 Use macros to eliminate duplicated pieces of code.
1702 2000-08-10 Kazu Hirata <kazu@hxi.com>
1704 * h8300.c (expand_a_rotate): New.
1705 (emit_a_rotate): Likewise.
1706 (h8300_adjust_insn_length): Add support for the rotate insns.
1707 * h8300.md (rotlqi3): New.
1708 (*rotlqi3_1): Likewise.
1709 (rotlhi3): Likewise.
1710 (*rotlhi3_1): Likewise.
1711 (rotlhi3): Likewise.
1712 (*rotlhi3_1): Likewise.
1713 * h8300-proto.h: Add prototypes for expand_a_rotate and
1716 * h8300.c: Fix comment typos.
1717 (dosize): Declare the variable amount as unsigned.
1718 (get_shift_alg): Fix a comparison between signed and unsigned.
1719 (emit_a_shift): Likewise.
1720 (h8300_adjust_insn_length): Simplify the code.
1722 * c-decl.c: Fix formatting.
1724 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1726 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
1727 warning about non-traditional numeric constant suffixes.
1729 * cppexp.c (parse_number): Likewise.
1731 * invoke.texi: (-Wtraditional): Document new behavior.
1733 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1735 * gthr-posix.h: Include auto-host.h. Conditionally include
1737 * configure.in: Check for the <sched.h> header file.
1738 * config.in: Added define for HAVE_SCHED_H.
1740 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1742 * c-typeck.c (process_init_element): For -Wtraditional, warn about
1743 initialization of unions.
1745 * invoke.texi (-Wtraditional): Document new behavior.
1747 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
1749 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
1750 instead of extra_c_flags.
1751 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
1752 * configure: Regenerate.
1753 * config.in: Regenerate.
1755 * cpperror.c (cpp_type2name): New function.
1756 * cpplex.c (lex_line): If we issued an error for an invalid
1757 preprocessing directive, discard that logical line.
1758 * cpplib.c (do_line): Call a hook function if the current file
1759 is renamed by #line.
1760 (do_ident): Pass the contents of the string, not the entire
1761 token, to the callback function.
1762 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
1763 (cb.rename_file): New hook function.
1764 (cb.ident): Adjust prototype.
1765 (cpp_type2name): Prototype.
1766 * cppmacro.c (dump_macro_args): Correct precedence lossage.
1768 * cppmain.c (cb_ident): Update for changed interface.
1769 (cb_rename_file): New function.
1770 (main): Set rename callback.
1772 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
1774 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
1775 multi-word registers.
1777 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
1779 * c-common.c (combine_strings, check_format_info): Refer to ISO C
1780 or ISO C89 instead of ANSI C.
1781 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
1782 build_enumerator, do_case): Likewise.
1783 * c-lex.c (parse_float, yylex): Likewise.
1784 * c-parse.in: Likewise.
1785 * c-typeck.c (common_type, build_array_ref, build_binary_op,
1786 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
1787 build_c_cast, convert_for_assignment, set_init_index,
1788 set_init_label, c_expand_start_case): Likewise.
1789 * toplev.c (documented_lang_options, display_help): Likewise.
1791 2000-08-08 Kazu Hirata <kazu@hxi.com>
1793 * h8300.c: Fix formatting.
1794 * h8300.h: Likewise.
1795 * h8300.md: Likewise.
1796 (movsi_h8300hs): Fix formatting of the resulting assembly code.
1798 * reload1.c: Fix formatting.
1800 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
1802 * alpha/alpha.c (alpha_emit_xfloating_libcall):
1803 Use GEN_CALL_VALUE define.
1804 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
1805 * clipper/clipper.md (untyped_call): Likewise.
1806 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
1807 * fx80/fx80.md (untyped_call): Likewise.
1808 * mips/mips.md (untyped_call): Likewise.
1809 * ns32k/ns32k.md (untyped_call): Likewise.
1810 * pa/pa.md (untyped_call): Likewise.
1811 * romp/romp.md (untyped_call): Likewise.
1812 * sparc/sparc.md (untyped_call): Likewise.
1814 2000-08-08 Jason Eckhardt <jle@cygnus.com>
1816 * config/i860/i860.c (singlemove_string): Do not generate assembler
1817 pseudo instructions that must be expanded (that is, with signed
1818 constants larger than 16 bits).
1820 2000-08-08 Richard Henderson <rth@cygnus.com>
1822 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
1823 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
1824 (init_propagate_block_info): Don't kill memory stores at -O0.
1825 (mark_set_1, mark_used_regs): Likewise.
1827 2000-08-08 David Edelsohn <edelsohn@gnu.org>
1829 * rs6000.c (optimization_options): Decorate 'level' as
1831 (mask64_operand): Remove sign-extend thinko.
1832 (rldic_operand): New function.
1833 (load_multiple_operation): regno's are unsigned ints.
1834 (store_multiple_operation): Likewise.
1835 (lmw_operation): Likewise.
1836 (stmw_operation): Likewise.
1837 (includes_lshift_p): shift_mask is unsigned int.
1838 (includes_lshift64_p): New function.
1839 (addrs_ok_for_quad_peep): unsigned int reg1.
1840 (print_operand): Consistently add "else" after
1841 output_operand_lossage().
1842 (print_operand, case 'b'): Fold in case 'W'.
1843 (print_operand, case 'W'): Print rldic MB value.
1844 (output_epilogue): Update Objective-C language string.
1845 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
1846 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
1847 * rs6000.md (ashldi3): Add rldic instruction.
1848 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
1849 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
1852 2000-08-08 Richard Henderson <rth@cygnus.com>
1854 * config/ia64/ia64-protos.h: Remove duplicates. Update
1855 for massive code rearrangements.
1856 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
1857 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
1858 (ia64_local_regs, ia64_need_regstk): Remove.
1859 (ar_ccv_reg_operand): New.
1860 (ia64_gp_save_reg): New.
1861 (struct ia64_frame_info): Combine most of the size elements;
1862 add new gr save elements.
1863 (find_gr_spill): New.
1864 (next_scratch_gr_reg): New.
1865 (mark_reg_gr_used_mask): New.
1866 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
1867 to GR backing store regs when possible.
1868 (ia64_initial_elimination_offset): New.
1869 (ia64_rap_fp_offset): Remove.
1870 (save_restore_insns): Remove.
1871 (setup_spill_pointers): New.
1872 (finish_spill_pointers): New.
1873 (spill_restore_mem): New.
1874 (do_spill, do_restore): New.
1875 (ia64_expand_prologue): Rewrite to use them.
1876 (ia64_expand_epilogue): Likewise.
1877 (ia64_direct_return): Update for current_frame_info changes.
1878 (ia64_function_prologue): Simplify .prologue emission. Emit
1880 (ia64_setup_incoming_varargs): Don't ever emit rtl.
1881 (ia64_dbx_register_number): New.
1882 (ia64_initialize_trampoline): New.
1883 (ia64_secondary_reload_class): Request GR_REGS for integer
1884 arithmetic destined for FR_REGS.
1885 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
1886 (ia64_mark_machine_status): Mark ia64_gp_save.
1887 (rws_access_regno): Rename from rws_access_reg; don't treat
1888 predicates specially.
1889 (rws_access_reg): New. Update all callers.
1890 (rtx_needs_barrier): Remove dead unspecs.
1891 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
1892 (ia64_encode_section_info): Silence signed/unsigned warnings.
1893 (spill_offset, sp_offset, spill_offset_emitted): Remove.
1894 (tmp_reg, tmp_saved): Remove.
1895 (process_set): Rewrite to expect complicated bits via
1896 REG_FRAME_RELATED_EXPR.
1897 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
1898 in the use of ar.ccv; never set RTX_UNCHANGING_P.
1899 (ia64_expand_op_and_fetch): Likewise.
1900 (ia64_expand_compare_and_swap): Likewise.
1901 (ia64_expand_builtin): Likewise.
1902 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
1903 (FIRST_PSEUDO_REGISTER): Update.
1904 (AR_M_REGNO_P): Update.
1905 (FIXED_REGS): Don't mark three local registers as used.
1906 (EXTRA_CC_MODES): New.
1907 (SELECT_CC_MODE): New.
1908 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
1909 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
1910 (FRAME_GROWS_DOWNWARD): Unset.
1911 (STARTING_FRAME_OFFSET): Zero.
1912 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
1913 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
1914 (HARD_FRAME_POINTER_REGNUM): New.
1915 (CAN_DEBUG_WITHOUT_FP): Define.
1916 (TRAMPOLINE_TEMPLATE): Remove.
1917 (TRAMPOLINE_SIZE): Lower to 32.
1918 (TRAMPOLINE_ALIGNMENT): Lower to 64.
1919 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
1920 (PREDICATE_CODES): Update.
1921 (struct machine_function): Add ia64_gp_save.
1922 * config/ia64/ia64.md: Purge unused unspecs.
1923 (movsi patterns): Allow moves to/from AR_M_REGS.
1924 (movdi patterns): Allow moves to/from p0.
1925 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
1926 (gr_spill, gr_restore): Indicate ar.unat read/written.
1927 (nonlocal_goto): Don't pass old frame_pointer.
1928 (nonlocal_goto_receiver): Remove.
1929 (exception_receiver): New.
1930 (builtin_setjmp_setup): New.
1931 (builtin_setjmp_receiver): New.
1932 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
1933 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
1934 (__ia64_restore_stack_nonlocal): Likewise.
1935 (__ia64_trampoline): New.
1936 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
1938 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
1940 2000-08-08 Richard Henderson <rth@cygnus.com>
1942 * frame.h (ia64_frame_state): Add my_psp.
1943 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
1944 (__throw): Pass it in. Don't clobber r7.
1945 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
1946 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
1947 and nothing to do with sp.
1948 (normalize_reg_loc): Use frame->my_psp.
1949 (frame_translate): Handle frame-pointer-less functions. Set
1950 spill_base correctly, in absence of being told.
1951 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
1952 (__ia64_backtrace_helper): New sp argument. Use
1953 builtin_return_address instead of label addresses.
1954 (print_record) [mem_stack_v]: No size member.
1956 2000-08-08 Richard Henderson <rth@cygnus.com>
1958 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
1960 2000-08-08 Richard Henderson <rth@cygnus.com>
1962 * tm.texi (LOCAL_REGNO): Document.
1963 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
1964 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
1965 * reload1.c (reload): Likewise when considering nonlocal labels.
1967 * config/ia64/ia64.h (LOCAL_REGNO): New.
1968 * config/sparc/sparc.h (LOCAL_REGNO): New.
1970 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
1972 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
1974 2000-08-07 Nick Clifton <nickc@redhat.com>
1976 * config/mips/mips.c: Fix compile time warning messages.
1977 * config/mips/mips-protos.h: Add prototype for equality_op.
1979 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
1981 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
1983 * mn10300.md: Use nonimmediate_operand instead of general_operand
1986 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
1988 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
1990 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
1991 * sh.c (expand_block_move): Break long lines.
1992 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
1993 * sh.md (mulsi3): Likewise.
1994 (movdi): Adjust spacing.
1996 2000-08-07 Richard Henderson <rth@cygnus.com>
1998 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
1999 * expr.c (emit_group_store): Don't set it.
2001 2000-08-07 Kazu Hirata <kazu@hxi.com>
2003 * invoke.texi (Options for Debugging Your Program or GCC): Remove
2004 duplicate entries for 'w' and 'z'.
2006 * flow.c: Fix a comment typo.
2008 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2010 * c-parse.in: Changed the language string for Objective-C to "GNU
2013 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2015 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
2016 to improve the Posix thread support for Objective-C.
2018 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
2020 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
2021 CTI_UNSIGNED_PTRDIFF_TYPE.
2022 (signed_size_type_node): Define.
2023 (unsigned_ptrdiff_type_node): Define.
2024 * c-decl.c (init_decl_processing): Create the
2025 signed_size_type_node and unsigned_ptrdiff_type_node types.
2026 * c-common.c (T_SC): Define.
2029 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
2030 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
2032 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
2033 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
2034 flags for %c, %s and %[.
2035 (check_format_info): Only allow leniency for signedness of targets
2036 of character pointers (when pedantic) for formats flagged with
2037 "c", so for strings but not for %hh formats. When pedantic, don't
2038 allow character pointers to substitute for void pointers if a
2039 second level of indirection is present.
2041 2000-08-06 Kazu Hirata <kazu@hxi.com>
2043 * invoke.texi (Options for Debugging Your Program or GCC): Update
2044 the names of dump files.
2046 * h8300.c (dosize): Rearrange code for conciseness.
2047 (split_adds_subs): Likewise.
2049 * loop.c: Fix formatting.
2051 * dwarf2out.c: Fix formatting.
2053 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
2055 * expr.c: Fix formatting.
2057 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2059 * rs6000.c (rs6000_maybe_dead): Prototype.
2061 2000-08-06 Richard Henderson <rth@cygnus.com>
2063 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
2064 HAVE_nonlocal_goto as well.
2065 * config/i960/i960.md (nonlocal_goto): Don't do it here.
2066 * config/pj/pj.md (nonlocal_goto): Likewise.
2068 2000-08-07 Michael Hayes <mhayes@cygnus.com>
2070 * loop.c (try_swap_copy_prop): New function.
2071 (load_mems): Rename copies to load_copies and add new regset
2072 store_copies. Check for sets of shadow registers and mark
2073 in store_copies. Call try_swap_copy_prop for registers
2074 marked in store_copies.
2076 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
2078 * objc/objc-act.c: New command line option -fconstant-string-class
2079 to allow specifying a user defined constant string class,
2080 different from NXConstantString.
2082 * toplev.c: Moved the Objective-C specific options to
2083 objc/lang-options.h.
2085 * objc/lang-options.h: Moved the Objective-C specific options from
2086 toplev.c. Added -fconstant-string-class.
2088 2000-08-05 Chris Demetriou <cgd@sibyte.com>
2090 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2091 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
2092 __CTOR_LIST__ from func_ptr array to just func_ptr, to
2093 avoid extra alignment imposed on arrays.
2094 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2095 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
2097 * mips.h: Clean up comments and spacing near MASKs.
2098 (TARGET_UNIX_ASM): Delete.
2099 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
2100 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
2103 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
2105 * c-common.c (print_char_table): Add entries for the X/Open '
2106 format flag (print decimals with locale's thousands grouping
2107 character). Make %C expect wint_t.
2108 (check_format_info): If pedantic, warn when the %n$ operand
2109 number form is used. Allow for the ' flag; warn about it if
2112 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
2114 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
2115 type is a float mode, cfun->decl's return type is not, and
2116 TARGET_FLOAT_RETURNS_IN_80387.
2118 2000-08-04 Andreas Schwab <schwab@suse.de>
2120 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
2121 token list, which are always `#' and `pragma'.
2123 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
2125 * tree.c (tree_expr_nonnegative_p): Move to...
2126 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
2127 (rtl_expr_nonnegative_p): New.
2128 * tree.h: Add prototype for rtl_expr_nonnegative_p.
2130 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
2131 CONST_DOUBLE_CHAIN: Move to...
2132 * rtl.h: ...here. Use XCINT/XCEXP.
2134 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
2135 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
2136 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
2139 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
2141 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2143 * config/c4x/c4x.md (return_indirect_internal): New.
2144 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
2146 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2148 * c-common.c (time_char_table): Mark up formats added in C99 and
2149 make other corrections. %D and %g were added in C99. %Og is an
2150 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
2151 C99. %e was added in C99. %Oj is an extension. %G and %z are in
2152 C99 rather than GNU extensions, but %OG and %Oz are extensions.
2153 %h was added in C99. %C was added in C99. %OY and %OC are
2154 extensions. Add the C99 format %F.
2155 (check_format_info): If pedantic and not in C99 mode, warn for C99
2158 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2160 * function.c (schedule_fixup_var_refs): New function, broken out
2161 of put_reg_into_stack.
2162 (put_reg_into_stack): Use it.
2163 (put_var_into_stack): In CONCAT case, fixup up references for
2164 components only after fixing up references to the whole concat.
2166 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
2168 * alias.c (mark_constant_function): Use INSN_P.
2169 (init_alias_analysis): Likewise.
2170 * combine.c (combine_instructions): Use INSN_P.
2171 (can_combine_p): Likewise.
2172 (try_combine): Likewise.
2173 (distribute_notes): Likewise.
2174 (distribute_links): Likewise.
2175 * cse.c (cse_around_loop): Use INSN_P.
2176 (invalidate_skipped_block): Likewise.
2177 (cse_set_around_loop): Likewise.
2178 (cse_end_of_basic_block): Likewise.
2179 (delete_trivially_dead_insns): Likewise.
2180 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
2181 (unshare_all_rtl_1): Likewise.
2182 (next_cc0_user): Likewise.
2183 (try_split make_insn_raw): Likewise.
2184 (remove_unnecessary_notes): Likewise.
2185 * final.c (shorten_branches): Use INSN_P.
2186 (leaf_renumber_regs): Likewise.
2187 (leaf_renumber_regs_insn): Likewise.
2188 * flow.c (find_label_refs): Use INSN_P.
2189 (verify_wide_reg): Likewise.
2190 (notice_stack_pointer_modification): Likewise.
2191 (count_or_remove_death_notes): Likewise.
2192 (verify_flow_info): Likewise.
2193 (clear_log_links): Likewise.
2194 * function.c (fixup_var_refs_insns): Use INSN_P.
2195 (compute_insns_for_mem): Likewise.
2196 * gcse.c (alloc_gcse_mem): Use INSN_P.
2197 (compute_sets): Likewise.
2198 (compute_hash_table): Likewise.
2199 (classic_gcse): Likewise.
2201 (insert_insn_end_bb): Likewise.
2202 (delete_null_pointer_checks_1): Likewise.
2203 * global.c (expand_preferences): Use INSN_P.
2204 (build_insn_chain): Likewise.
2205 * graph.c (node_data): Use INSN_P.
2206 * haifa-sched.c (priority): Use INSN_P.
2207 (rm_line_notes): Likewise.
2208 (rm_other_notes): Likewise.
2209 (find_insn_reg_weight): Likewise.
2210 (init_target_units): Likewise.
2211 (schedule_block): Likewise.
2212 (compute_block_forward_dependences): Likewise.
2213 (debug_dependencies): Likewise.
2214 (set_priorities): Likewise.
2215 * integrate.c (function_cannot_inline_p): Use INSN_P.
2216 (save_parm_insns): Likewise.
2217 (copy_insn_list): Likewise.
2218 * jump.c (mark_all_labels): Use INSN_P.
2219 (never_reached_warning): Likewise.
2220 * lcm.c (optimize_mode_switching): Use INSN_P.
2221 * local-alloc.c (validate_equiv_mem): Use INSN_P.
2222 (memref_used_between_p): Likewise.
2223 (update_equiv_regs): Likewise.
2224 (block_alloc): Likewise.
2225 (no_conflict_p): Likewise.
2226 * loop.c (scan_loop): Use INSN_P.
2227 (find_and_verify_loops): Likewise.
2228 (count_loop_regs_set): Likewise.
2229 (loop_reg_used_before_p): Likewise.
2230 (strength_reduce): Likewise.
2231 (recombine_givs): Likewise.
2232 (check_dbra_loop): Likewise.
2233 (load_mems): Likewise.
2234 (try_copy_prop): Likewise.
2235 * print-rtl.c (print_rtx): Use INSN_P.
2236 * recog.c (find_single_use): Use INSN_P.
2237 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
2238 (next_flags_user): Likewise.
2239 (swap_rtx_condition): Likewise.
2240 * regmove.c (mark_flags_life_zones): Use INSN_P.
2241 (optimize_reg_copy_1): Likewise.
2242 (optimize_reg_copy_2): Likewise.
2243 (optimize_reg_copy_3): Likewise.
2244 (reg_is_remote_constant_p): Likewise.
2245 (fixup_match_2): Likewise.
2246 (regmove_optimize): Likewise.
2247 (fixup_match_1): Likewise.
2248 * regrename.c (build_def_use): Use INSN_P.
2249 (replace_reg_in_block): Likewise.
2250 (consider_use): Likewise.
2251 * reload.c (find_equiv_reg): Use INSN_P.
2252 * reload1.c (reload): Use INSN_P.
2253 (maybe_fix_stack_asms): Likewise.
2254 (calculate_needs_all_insns): Likewise.
2255 (reload_as_needed): Likewise.
2256 (emit_output_reload_insns): Likewise.
2257 (delete_address_reloads_1): Likewise.
2258 (reload_cse_regs_1): Likewise.
2259 (reload_combine): Likewise.
2260 (reload_cse_move2add): Likewise.
2261 * reorg.c (redundant_insn): Use INSN_P.
2262 (dbr_schedule): Likewise.
2263 * resource.c (find_dead_or_set_registers): Use INSN_P.
2264 (mark_target_live_regs): Likewise.
2265 * rtlanal.c (reg_used_between_p): Use INSN_P.
2266 (reg_referenced_between_p): Likewise.
2267 (reg_set_between_p): Likewise.
2268 (reg_set_p): Likewise.
2269 (single_set): Likewise.
2270 (multiple_sets): Likewise.
2271 (find_last_value): Likewise.
2272 (reg_set_last): Likewise.
2273 (find_reg_note): Likewise.
2274 (find_regno_note): Likewise.
2275 * sibcall.c (sequence_uses_addressof): Use INSN_P.
2276 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
2277 * ssa.c (find_evaluations): Use INSN_P.
2278 (rename_block): Likewise.
2279 (rename_equivalent_regs): Likewise.
2280 * unroll.c (loop_find_equiv_value): Use INSN_P.
2281 (set_dominates_use): Likewise.
2282 * varasm.c (mark_constant_pool): Use INSN_P.
2283 (mark_constants): Likewise.
2284 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
2285 (alphaev4_next_group): Likewise.
2286 (alphaev5_next_group): Likewise.
2287 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
2288 (c4x_rptb_rpts_p): Likewise.
2289 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
2290 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
2291 (rs6000_adjust_priority): Likewise.
2292 * config/sh/sh.c (sh_loop_align): Use INSN_P.
2293 (machine_dependent_reorg): Likewise.
2294 (split_branches): Likewise.
2295 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
2297 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
2299 * combine.c (recog_for_combine): Remove the old notes
2300 prior to attempting to recognize the new pattern.
2301 (distribute_notes): Ignore REG_NONNEG notes.
2303 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
2305 * varasm.c (output_constructor): Add .align 0 for packed vars.
2307 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2309 * configure.in: Use default thread_file even when enable_threads is
2310 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
2311 * configure: Rebuilt.
2313 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
2315 2000-08-04 Donn Terry (donnte@microsoft.com)
2317 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
2319 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
2321 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
2322 Delete code that conditionally modifies 'version'.
2323 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
2324 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
2325 * gcc.c (main): Use it.
2326 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
2327 * prefix.c (update_path): Use it.
2328 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
2329 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
2330 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
2332 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
2333 (SUBTARGET_SWITCHES): Adjust.
2334 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
2336 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
2338 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2340 * c-common.h (flag_isoc94): Declare.
2341 * c-decl.c (flag_isoc94): Define.
2342 (c_decode_option): Set flag_isoc94 as appropriate.
2343 * c-common.c (T_PD, T_IM, T_UIM): Define.
2344 (format_char_info): Add tlen and jlen.
2345 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
2347 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
2349 (time_char_table): Add NULL entries for %t and %j.
2350 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
2351 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
2352 Warn for printf %lf if pedantic and not C99. Don't warn for empty
2353 precision. Allow precision argument to be unsigned int. If
2354 pedantic, warn for %p passed an argument not a pointer to possibly
2355 qualified void or a possibly qualified character type, and for
2356 pointer targets of the wrong sign, except for character pointers.
2358 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2360 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
2361 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
2362 (wint_type_node): Define.
2363 * c-decl.c (WINT_TYPE): Define.
2364 (init_decl_processing): Create the wint_type_node type.
2365 * c-common.c (T_WI): Define.
2366 (print_char_table): Use T_WI for %lc format.
2368 2000-08-04 Bruce Korb <bkorb@gnu.org>
2370 * fixinc/: Verified that the MSDOS patch does not break
2371 the UNIX functionality and applied the next three patches
2374 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
2376 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
2377 output file with the temporary one by appending ".X" to generate
2378 the temporary fuile's name. If the output file already has an
2379 extension, replace it with ".X".
2381 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
2382 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
2383 reallocate the command buffer while copying the command-line
2384 argument. Redirect the output directly to the temporary file,
2385 instead of going through another temporary file.
2386 (process): Close the temporary file before unlinking it.
2387 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
2388 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
2389 (run_compiles): Pass p_fixd argument to machine_matches, as it
2392 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
2393 environment, assume there are no symlinks in the include
2394 directory. When cleaning up the DONE files, look for them
2395 case-insensitively. Don't try to remove symlinks if they aren't
2398 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
2399 all callers changed. Declare pz "const char *", to avoid compiler
2402 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
2403 Change prototype of make_raw_shell_str.
2405 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
2407 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
2408 (initialize) [__MSDOS__]: Use tempnam.
2409 (initialize): Don't use SIGPIPE if it is not defined.
2411 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
2414 2000-07-25 Bruce Korb <bkorb@gnu.org>
2416 * fixinc/fix*.[ch]: substantially reworked to make it possible
2417 to run this program without using fork(2) or pipe(2) (i.e. in
2420 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
2422 * cppdefault.h (WINT_TYPE): Define.
2423 * cppinit.c (builtin_array): Define __WINT_TYPE__.
2424 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
2425 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
2427 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
2429 * (mips_legitimate_address_p): Don't allow register+offset
2430 if the offset is large and negative, and we are compiling
2431 for 64 bit registers.
2433 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2435 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
2436 insn_code_number + 1.
2438 2000-08-04 Kazu Hirata <kazu@hxi.com>
2440 * h8300.c (function_prologue): Rearrange code for conciseness.
2441 (function_epilogue): Likewise.
2442 * h8300.h (OK_FOR_U): Fix formatting.
2444 * cse.c: Fix a comment typo. Fix formatting.
2446 2000-08-03 Richard Henderson <rth@cygnus.com>
2448 * config/i386/i386.md (return_indirect_internal): New.
2449 * config/i386/i386.c (ix86_expand_epilogue): Use it.
2451 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
2453 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
2455 (lex_line): Glue @ onto the beginning of identifiers and
2456 string constants, in Objective-C mode.
2457 (output_token, spell_token): Handle CPP_OSTRING.
2458 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
2459 beginning of a NAME or a STRING, in objc mode.
2461 * cpplib.c (get_define_node): Do not permit identifiers that
2462 begin with @ to be #defined.
2463 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
2464 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
2466 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
2467 * c-tree.h (build_objc_string): Delete prototype.
2468 * objc/objc-tree.def: Delete OBJC_STRING_CST.
2469 * c-lex.c (yylex): Use build_string for all three kinds of strings.
2471 * c-parse.in, objc/objc-act.c: Update commentary.
2473 2000-08-03 Mark Mitchell <mark@codesourcery.com>
2475 * extend.texi: Fix typo in last change.
2477 * extend.texi: Add commentary on statement-expressions and their
2478 interactions with C++.
2480 2000-08-03 Nick Clifton <nickc@cygnus.com>
2482 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
2483 * dwarf.h (LANG_JAVA): Change value to 0x000b.
2485 2000-08-03 Anthony Green <green@cygnus.com>
2487 * dwarf2out.c (gen_compile_unit_die): Add java language support.
2488 (add_bound_info): Check for java language.
2489 (is_java): New function.
2490 * dwarfout.c (output_compile_unit_die): Ditto.
2491 * dwarf.h (dwarf_source_language): Add java source language type.
2492 * dwarf2.h (dwarf_source_language): Ditto.
2494 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2496 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
2499 * i386.c (ix86_expand_branch): Mode of comparison in
2500 IF_THEN_ELSE is VOIDmode.
2502 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
2504 * gengenrtl.c, rtl.c: Avoid #elif.
2506 2000-08-03 Michael Poole <poole@troilus.org>
2508 * tm.texi (Register Classes): Clarify order of sub-initializers
2509 in REG_CLASS_CONTENTS.
2511 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2513 From SAITOH Masanobu:
2514 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
2516 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
2518 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
2519 is not supported by tradcpp and isn't actually needed for cygwin.
2521 2000-08-03 Kazu Hirata <kazu@hxi.com>
2523 * h8300.c: Fix a comment typo.
2524 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
2526 * jump.c: Fix formatting.
2528 * toplev.c: Fix formatting.
2530 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
2532 * flow.c (find_auto_inc): Verify that we've got a REG before
2533 peeking at its regno. Fail, don't abort if we can't find
2534 the increment of the desired register.
2536 * pa.md (shadd height reduction patterns/splitters): Remove.
2538 2000-08-02 Jim Wilson <wilson@cygnus.com>
2540 * config/ia64/ia64-protos.h (flag_ssa): Declare.
2541 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
2543 2000-08-02 Mark Mitchell <mark@codesourcery.com>
2545 * dce.c: Remove all uses of assert.
2546 * dwarf2out.c: Likewise.
2547 * dwarfout.c: Likewise.
2550 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2552 * gcc.h (lang_specific_driver): Constify second argument.
2553 * gcc.c (translate_options, process_command, main): Likewise.
2554 Constify variables to match. Cast second argument to
2557 * cppspec.c, gccspec.c: Adjust type of second argument to
2558 lang_specific_driver, and update code as necessary.
2560 2000-08-02 Jakub Jelinek <jakub@redhat.com>
2562 * loop.c (scan_loop): Ensure update_end label does not
2563 go away until reg_scan_update is run.
2565 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2567 * c-common.h: Prototype min_precision and c_build_qualified_type here...
2568 * c-tree.h: ... not here.
2569 * errors.h: Prototype fancy_abort.
2571 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
2572 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
2573 * regrename.c (regrename_optimize): Make control flow explicit.
2574 (replace_reg_in_block): Initialize reg_use to 0.
2576 * i386.c (legitimate_address_p): Rename error label to
2577 report_error to avoid namespace clash.
2579 2000-08-02 Kazu Hirata <kazu@hxi.com>
2581 * fold-const.c: Fix formatting.
2583 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
2585 * i386.c (legitimate_address_p): Accept other bases than
2586 pic_offset_table_rtx for GOTOFF constructs.
2588 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2590 * i386.md (shift to lea splitter): Use const_int_operand.
2592 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
2594 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
2595 cppspec.c: Do not use 'legal' or 'illegal' in error messages
2598 * cppmain.c (cb_define, cb_undef): Don't generate any output
2599 if not done_initializing.
2600 * cpplex.c (maybe_paste_with_next): When the token after a ##
2601 is an omitted rest argument, only delete the token before it
2602 if that token is a comma. Do not warn about bogus token
2603 pastes for , ## rest_arg.
2606 * cpp.1: Regenerate.
2608 2000-08-02 Fred Fish <fnf@be.com>
2610 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
2611 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
2614 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
2615 Be directories to search path.
2617 Remove support for __declspec(dllimport) and __declspec(dllexport).
2618 This is leftover cruft from the earlier BeOS gcc port when BeOS
2619 used Microsoft's PE object file format.
2620 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
2621 * config/i386/t-beos (winnt.o): Remove Makefile frag.
2622 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
2623 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
2624 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
2625 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
2626 (REDO_SECTION_INFO_P): Remove.
2627 (ASM_EXPORT_DECL): Remove.
2628 (ASM_DECLARE_FUNCTION_NAME): Remove.
2629 (ASM_DECLARE_OBJECT_NAME): Remove.
2630 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
2631 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
2632 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
2633 (STRIP_NAME_ENCODING): Remove.
2635 Remove support for obsolete version of BeOS that is no longer
2637 * configure.in (i*86-*-beospe*): Remove.
2638 * config/i386/beos-pe.h: Remove.
2640 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
2641 Mark Mitchell <mark@codesourcery.com>
2643 * Makefile.in (OBJS): Added dce.o.
2644 (ssa.o): Updated target to include ssa.h.
2646 (toplev.o): Likewise.
2647 (dce.o): Created target.
2648 * basic-block.h: Added comments.
2649 (INVALID_BLOCK): Added definition.
2650 (connect_infinite_loops_to_exit): Added declaration.
2651 Moved SSA declarations to ssa.h.
2652 * flow.c: Added inclusion of ssa.h.
2653 (struct depth_first_search_dsS, depth_first_search_ds):
2655 (compute_immediate_postdominators): Added definition.
2656 (connect_infinite_loops_to_exit): Likewise.
2657 (flow_dfs_compute_reverse_init): Likewise.
2658 (flow_dfs_compute_reverse_add_bb): Likewise.
2659 (flow_dfs_compute_reverse_execute): Likewise.
2660 (flow_dfs_compute_reverse_finish): Likewise.
2661 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
2662 (LABEL_P): Added definition.
2665 (BARRIER_P): Likewise.
2666 (JUMP_TABLE_DATA_P): Likewise.
2667 (INSN_DEAD_CODE_P): Likewise.
2668 * ssa.c: Replaced inclusions with ssa.h inclusion.
2669 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
2670 (rename_registers): Removed unnecessary variables.
2671 * ssa.h: Created by moving declarations from ssa.c and
2673 * timevar.def: Defined TV_DEAD_CODE_ELIM.
2674 * toplev.c: Added ssa.h inclusion.
2675 (dump_file_index): Added DFI_dce.
2676 (dump_file): Added "dce" entry.
2678 (f_options): Added dce entry.
2679 * invoke.texi: Document -fdce. Emphasize experimental status of
2683 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
2685 * cpperror.c (v_message): Split into _cpp_begin_message and
2686 v_message macro. All callers updated.
2687 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
2690 * cppfiles.c (cpp_syshdr_flags): New function.
2691 (read_include_file): Don't call cpp_output_tokens. Call
2693 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
2694 (cpp_reader_init): Don't initialize token_buffer. Call
2695 _cpp_init_internal_pragmas.
2696 (cpp_cleanup): Don't clear token_buffer.
2697 (cpp_start_read): Don't worry about output from -D processing.
2698 Don't call cpp_output_tokens.
2699 (cpp_finish): Don't dump macros here. Don't call
2701 * cppmacro.c (_cpp_dump_definition): Rename
2702 cpp_dump_definition. Write directly to a FILE *.
2703 (dump_funlike_macro): Delete.
2704 (dump_macro_args): New.
2706 * cpplex.c (TOKEN_LEN): Convert to inline function.
2707 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
2708 cpp_scan_line, _cpp_dump_list): Delete.
2709 (cpp_printf, cpp_output_list): New.
2710 (output_line_command): Don't worry about entering or leaving files.
2711 (cpp_scan_buffer): Just output each token as we hit it.
2712 (process_directive): Don't call cpp_output_tokens.
2713 (_cpp_glue_header_name): Don't use token_buffer.
2714 (output_token, dump_param_spelling): Write directly to a FILE *.
2716 * cpplib.c (pass_thru_directive, dump_macro_name,
2717 pragma_dispatch, do_pragma_gcc): Delete.
2718 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
2719 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
2721 (do_error, do_warning, pragma_dependency): Call
2722 _cpp_begin_message, then cpp_output_list.
2723 (cpp_register_pragma, cpp_register_pragma_space,
2724 _cpp_init_internal_pragmas): New.
2725 (do_pragma): Walk the pragmas table here.
2726 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
2727 do_pragma_dependency): Return void.
2728 (do_pragma_implementation): Moved to cppmain.c.
2730 * cpplib.h: Update prototypes.
2731 (struct cpp_reader): Remove printer, token_buffer,
2732 token_buffer_size, and limit. Add struct cb, and pragmas.
2733 (struct cpp_printer): Remove last_id and written.
2734 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
2735 CPP_ADJUST_WRITTEN): Delete.
2736 * cpphash.h: Update prototypes.
2737 (ufputs): New wrapper.
2739 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
2740 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
2741 (main): Set up callbacks. Register #pragma implementation.
2742 Dump macros from here.
2744 2000-08-01 Geoff Keating <geoffk@cygnus.com>
2746 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
2747 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
2748 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
2749 insns if they have a REG_MAYBE_DEAD note attached.
2750 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
2751 (rs6000_emit_load_toc_table): TOC loads may go dead.
2753 2000-08-01 Jim Wilson <wilson@cygnus.com>
2755 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
2756 type exists before using it. Use number of words as alignment
2758 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
2759 ia64_va_arg): Propagate ia64_function_args changes here.
2761 2000-08-01 Richard Henderson <rth@cygnus.com>
2763 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
2764 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2766 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
2768 From Joern Rennecke:
2769 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
2770 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
2771 unless TARGET_SH3E is set.
2772 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
2774 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
2775 (ashlsi3_std): New pattern.
2776 (ashlsi3 expander): Use it for TARGET_SH3.
2777 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
2779 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2781 * loop.c (canonicalize_condition): Use destination, not source to
2782 determine SET's mode.
2784 2000-07-31 Mark Mitchell <mark@codesourcery.com>
2786 * flow.c (clear_log_links): Fix typo.
2788 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
2790 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
2791 on targets which need more than one insn for a compare/cbranch
2794 2000-07-31 Jim Wilson <wilson@cygnus.com>
2796 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
2797 when computing offset.
2799 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
2801 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
2803 2000-07-31 Geoff Keating <geoffk@cygnus.com>
2805 * flow.c (clear_log_links): Nuke global_live_at_start and
2806 global_live_at_end data, since if the log_links stuff is invalid
2807 so is global_live_at_*.
2809 2000-07-31 Richard Henderson <rth@cygnus.com>
2811 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
2813 2000-07-31 Jakub Jelinek <jakub@redhat.com>
2815 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
2816 (_cpp_get_token): Don't macro expand a just pasted token if it
2817 was pasted at no_expand_level.
2819 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2821 * cppmacro.c (find_param, count_params, save_expansion):
2822 Permit 'defined' as a macro parameter name.
2824 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2826 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
2827 xcpp to cpp throughout.
2828 (native): Remove unnecessary dependency on cpp.
2830 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
2831 tradcpp to tradcpp0.
2832 (.i spec): Add missing output-file spec to cc1 command line.
2833 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
2835 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2837 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
2838 (implicit_decl_warning): New function.
2839 (implicitly_declare): Use it.
2840 * c-typeck.c (build_external_ref): Use implicit_decl_warning
2841 to complain about implicit decls of builtins.
2843 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
2844 based on pedantic && flag_isoc99, if not already set.
2845 * c-tree.h: Declare mesg_implicit_function_declaration.
2846 Prototype implicit_decl_warning.
2848 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
2850 * Makefile.in (ssa.o): Updated header files in dependences.
2851 * basic-block.h: Added compute_immediate_postdominators declaration.
2852 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
2854 * flow.c (compute_immediate_dominators): Updated comment.
2855 (compute_immediate_postdominators): Added definition.
2856 * rtl.h (HARD_REGISTER_P): Added definition.
2857 * ssa.c: Include additional header files.
2858 (assert): Added definition.
2859 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
2860 include select hard registers.
2861 (ssa_rename_to_insert): Likewise.
2862 (ssa_rename_from_initialize): Likewise.
2863 (ssa_rename_from_lookup): Likewise.
2864 (original_register): Likewise.
2865 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
2866 include select hard reigsters.
2867 (ssa_rename_from_traverse): Likewise.
2868 (ssa_rename_from_free): Likewise.
2869 (ssa_rename_from_print): Likewise.
2870 (ssa_rename_from_print_1): Likewise.
2871 (ssa_rename_from_hash_function): Likewise.
2872 (ssa_rename_from_equal): Likewise.
2873 (ssa_rename_from_delete): Likewise.
2874 (simplify_to_immediate_dominators): Removed in favor of
2875 flow.c:compute_immediate_dominators.
2876 (find_evaluations_1): Modified to work with hard registers.
2877 (insert_phi_node): Likewise.
2878 (insert_phi_nodes): Likewise.
2879 (struct rename_set_data): Updated prev_reg comment.
2880 (create_delayed_rename): Modified to work with hard registers.
2881 (RENAME_NO_RTX): Updated comment.
2882 (apply_delayed_renames): Modified to work with hard registers.
2883 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
2884 (rename_block): Updated to use revised ssa_rename_to interface.
2885 (rename_registers): Updated to use revised ssa_rename_to and
2886 ssa_rename_from interface.
2887 (convert_to_ssa): Revised to use compute_immediate_dominators and
2888 deal with hard registers.
2889 (make_regs_equivalent_over_bad_edges): Modified to work with hard
2890 registers. Added check for illegal unification of hard register.
2891 (make_equivalent_phi_alternatives_equivalent): Modified to work
2892 with hard registers.
2893 (compute_conservative_reg_partition): Likewise.
2894 (coalesce_if_unconflicting): Modified to work with hard registers
2895 and check for conflicting hard registers.
2896 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
2898 (rename_equivalent_regs_in_insn): Modified to work with hard
2900 (record_canonical_element_1): Added definition.
2901 (check_hard_regs_in_partition): Added definition.
2902 (convert_from_ssa): Added data structure deallocation and check
2903 for illegal hard register unification.
2904 (conflict_hard_regs_p): Added definition.
2905 * toplev.c (rest_of_compilation): Added comment.
2907 2000-07-31 Anthony Green <green@redhat.com>
2909 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
2911 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
2913 * builtins.c (expand_builtin_apply): Don't defer pop during
2916 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2918 * calls.c (combine_pending_stack_adjustment_and_call): Only use
2919 preferred_unit_stack_boundary when it is > 1.
2921 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
2923 * c-common.c (init_function_format_info): Add C99 format functions
2926 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
2927 void' or 'register void' as being the special case of 'void' alone
2928 in a parameter list.
2930 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
2931 discarding qualifiers into a plain warning.
2933 2000-07-31 Kazu Hirata <kazu@hxi.com>
2935 * combine.c: Fix formatting.
2937 * h8300.md: Fix formatting.
2939 * local-alloc.c: Fix formatting.
2941 * h8300.c (get_shift_alg): Remove the variable alg.
2942 (emit_a_shift): Rearrange code to improve readability.
2944 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
2946 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
2947 HImode on all architectures and a combination of HImode and SImode
2948 on H8/300H and H8/S.
2950 * h8300.c (split_adds_subs): Rearrange code for conciseness.
2952 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
2954 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
2957 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
2959 * recog.c (extract_insn): Set operand_mode according to
2960 operand if match_operand is VOIDmode.
2962 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2964 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
2966 2000-07-31 Geoff Keating <geoffk@cygnus.com>
2968 * c-parse.in (extdefs): Call ggc_collect between external
2971 2000-07-30 Michael Hayes <mhayes@cygnus.com>
2972 Richard Henderson <rth@cygnus.com>
2974 * Makefile.in (OBJS): Add doloop.o.
2975 * doloop.c: New file.
2977 * final.c (insn_current_reference_address): Return 0 before final.
2978 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
2979 * jump.c (any_uncondjump_p): Likewise.
2980 * loop.c (indirect_jump_in_function): Make static.
2981 (strength_reduce): Call doloop_optimize.
2982 (insert_bct, instrument_loop_bct): Remove.
2983 * loop.h (doloop_optimize): Prototype.
2984 * recog.c (split_all_insns): Split all INSN_P.
2985 * toplev.c (flag_branch_on_count_reg): Default on.
2987 * config/c4x/c4x.c (c4x_optimization_options): Don't set
2988 flag_branch_on_count_reg.
2989 * config/i386/i386.c (override_options): Likewise.
2990 * config/rs6000/rs6000.c (optimization_options): Likewise.
2992 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
2994 (dbra_ge): Remove, as well as all it's splitters.
2996 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
2999 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
3000 (ia64_register_move_cost): Declare.
3001 * config/ia64/ia64.c (ar_lc_reg_operand): New.
3002 (struct ia64_frame_info): Add ar_size.
3003 (ia64_compute_frame_size): Set it.
3004 (save_restore_insns): Save and restore ar.lc.
3005 (ia64_register_move_cost): New, moved from header file. Handle
3006 application registers.
3007 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
3008 (emit_insn_group_barriers): Special case doloop_end_internal.
3009 (ia64_epilogue_uses): Mark ar.lc live at end.
3010 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
3011 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
3012 (FIRST_PSEUDO_REGISTER): Make room.
3013 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
3014 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
3015 (REG_ALLOC_ORDER): Update.
3016 (HARD_REGNO_MODE_OK): Update.
3017 (REGISTER_NAMES): Update.
3018 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
3019 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
3020 (REGNO_REG_CLASS): Update.
3021 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
3022 (REGISTER_MOVE_COST): Move out of line.
3023 (PREDICATE_CODES): Update.
3024 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
3025 (addsi3_plus1_alt, adddi3_plus1_alt): New.
3026 (shladd_elim splitter): Allow constants in the predicate.
3027 (doloop_end, doloop_end_internal): New.
3029 2000-07-30 Richard Henderson <rth@cygnus.com>
3031 * genattrtab.c (struct insn_def): Add lineno member.
3032 (struct insn_ent): Likewise.
3033 (struct attr_desc): Likewise.
3034 (struct delay_desc): Likewise.
3035 (struct function_unit_op): Likewise.
3036 (struct function_unit): Likewise.
3037 (check_attr_value): Use message_with_line.
3038 (check_defs): Likewise.
3039 (expand_units): Likewise.
3040 (check_attr_test): Take a lineno argument.
3041 (gen_attr): Likewise.
3042 (gen_insn): Likewise.
3043 (gen_delay): Likewise.
3044 (gen_unit): Likewise.
3045 (main): Give it to them.
3046 (convert_set_attr_alternative): Take an insn_def argument
3047 instead of num_alt and insn_index.
3048 (convert_set_attr): Likewise.
3049 (write_test_expr): Protect INSN_ADDRESSES load
3050 with INSN_ADDRESSES_SET_P.
3052 2000-07-30 Richard Henderson <rth@cygnus.com>
3054 * flow.c (init_propagate_block_info): Use pc_set.
3056 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
3058 * i386.md (*lea_general_[123]) New insns and splits.
3059 (addsi3 to lea splitter): Handle other modes too.
3060 (shlsi3 to lea splitter): Likewise.
3061 (addhi_1_lea, shlhi_1_lea): New patterns.
3062 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
3064 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3066 * recog.c (general_operand, nonimmediate_operand): Accept
3067 any mode for VOIDmode CONSTANT_P operands.
3069 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3071 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
3072 instead of replace_rtx.
3073 * recog.c (validate_replace_rtx_subexp): New function.
3074 * recog.h (validate_replace_rtx_subexp): Declare.
3076 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3078 * combine.c (simplify_set, make_extraction, make_compound_operation
3079 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
3080 as force_to_mode argument.
3082 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
3084 * combine.c (if_then_else_cond): Be sure that mode fits in
3087 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3089 * combine.c (record_promoted_value): Allow bitsize of mode
3090 to be equivalent to HOST_BITS_PER_WISE_INT.
3092 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
3094 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
3095 Do not call gen_mode_alignment when mode is BLKmode.
3097 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
3099 * loop.c (express_from_1): Fix call of simplify_gen_binary.
3101 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
3103 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
3104 VOIDmode implies both operands to be VOIDmode.
3105 (simplify_ternary_operation): Compute properly the mode of comparison.
3106 * combine.c (combine_simplify_rtx): Likewise.
3108 2000-07-25 Michael Hayes <mph@paradise.net.nz>
3110 * basic-block.h (struct loops): New field rc_order.
3111 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
3112 (flow_loops_free): Free rc_order.
3113 (flow_depth_first_order_compute): New parameter rc_order.
3114 (flow_loops_find): Allocate rc_order and swap usage with
3117 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3118 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3120 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
3121 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
3122 (nodb_call, return_from_epilogue): Likewise.
3123 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
3124 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
3125 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
3126 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3127 (c4x_valid_type_attribute_p): Likewise.
3128 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
3129 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
3131 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3133 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
3134 and loadhi_big_constant if applicable.
3135 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
3136 and add new splitter.s
3138 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3140 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
3142 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3144 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
3146 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3148 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
3150 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3152 * config/c4x/libgcc.S (divqf3): Improve accuracy.
3154 2000-07-27 Mark Mitchell <mark@codesourcery.com>
3156 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
3157 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
3158 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
3159 (get_prev_bb_note): Likewise.
3160 (remove_scope_notes): Likewise.
3161 * flow.c (commit_one_edge_insertion): Likewise.
3162 (merge_blocks_nomove): Likewise.
3163 (verify_flow_info): Likewise.
3164 * gcse.c (insert_insn_end_bb): Likewise.
3165 * reg-stack.c (emit_swap_insn): Likewise.
3166 * ssa.c (first_insn_after_basic_block_note): New function.
3167 (insert_phi_node): Use it.
3168 (rename_block): Likewise.
3169 (eliminate_phi): Likewise.
3170 (make_regs_equivalent_over_bad_edges): Likewise.
3171 (make_equivalent_phi_alternatives_equivalent): Likewise.
3172 (for_each_successor_phi): Likewise.
3173 (convert_from_ssa): Modify phi-node deletion algorithm.
3175 2000-07-29 Andreas Jaeger <aj@suse.de>
3177 * configure.in (mips*-*-linux*): Use mips*el to check for little
3178 endian MIPS, add tmake_file.
3180 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
3181 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
3182 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
3184 2000-07-28 Richard Henderson <rth@cygnus.com>
3186 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
3187 Sign extend mode size before negating.
3189 2000-07-28 Richard Henderson <rth@cygnus.com>
3191 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
3193 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
3195 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
3196 (cse_insn): Likewise.
3197 (addr_affects_sp_p): Likewise.
3198 * expr.c (move_by_pieces): Likewise.
3199 (clear_by_pieces): Likewise.
3200 * gcse.c (oprs_unchanged_p): Likewise.
3201 * haifa-sched.c (sched_analyze_2): Likewise.
3202 * recog.c (offsettable_address_p): Likewise.
3203 * regclass.c (record_address_regs): Likewise.
3204 * reload.c (find_reusable_reload): Likewise.
3205 (push_reload): Likewise.
3206 (operands_match_p): Likewise.
3207 (decompose): Likewise.
3208 (find_reloads_address_1): Likewise.
3209 (find_inc_amount): Likewise.
3210 * reload1.c (elimination_effects): Likewise.
3211 * resource.c (mark_set_resources): Likewise.
3212 * flow.c (attempt_auto_inc): New function; mostly broken out
3214 (find_auto_inc): Split into two functions and enhanced to
3215 generate POST_MODIFY.
3216 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
3217 * rtl.h (count_all_occurrences): Declare.
3218 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
3220 * rtlanal.c (count_all_occurrences): New function.
3221 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
3222 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
3224 * config/ia64/ia64-protos.h (destination_operand): Declare.
3225 * config/ia64/ia64.c (destination_operand): New function.
3226 (ia64_print_operand): Handle POST_MODIFY.
3227 (rtx_needs_barrier): Likewise.
3228 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
3229 (HAVE_POST_MODIFY_REG): Define to 1.
3230 (MAX_REGS_PER_ADDRESS): Change to 2.
3231 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
3232 (LEGITIMATE_ADDRESS_REG): New helper macro.
3233 (LEGITIMATE_ADDRESS_DISP): Likewise.
3234 (PREDICATE_CODES): Add entry for destination_operand.
3235 * config/ia64/ia64.md (all mov patterns): Use destination_operand
3236 predicate for operand 0.
3238 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3240 * dwarf2out.c: Indent #error directive.
3242 * gbl-ctors.h: Fix typo in comment.
3243 (__do_global_ctors): Prototype.
3245 * gcse.c (record_one_set, pre_delete): Remove unused variables.
3247 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
3248 (print_operand): Initialize variable `t'.
3250 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
3252 * config/arm/arm.md ("call_value"): removed constraints.
3253 Constraints are ignored in expanders.
3254 (*call_value_reg): split =rf into various constraints.
3255 (*call_value_mem): same
3256 (*call_value_symbol): same
3257 (*sibcall_value_insn): same
3259 2000-07-28 Philipp Thomas <pthomas@suse.de>
3261 * install.texi (--enable-nls): Change the description of the NLS
3262 related configure options to match the current state.
3263 (--with-included-gettext): Likewise.
3264 (--enable-maintainer-mode): New description added.
3265 * extend.texi (-fstrict-prototype): Add missing '.'.
3267 2000-07-27 Jim Wilson <wilson@cygnus.com>
3269 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
3270 DECL_INITIAL (decl) == NULL_TREE.
3272 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
3274 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
3275 on insn-attr.h with it.
3276 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
3277 * insn-addr.h: New header.
3278 (insn_addresses_): Renamed from insn_addresses.
3279 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
3280 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
3281 INSN_ADDRESSES_NEW): New macros.
3282 * genattrtab.c (write_test_expr): Use new macros.
3283 * final.c (insn_addresses, init_insn_lengths): Likewise.
3284 (align_fuzz, shorten_branches): Likewise.
3285 (final): Likewise. Do not reject new insns if their addresses
3286 have been added to INSN_ADDRESSES.
3287 * config/arm/arm.c, config/avr/avr.c: Use new macros.
3288 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
3289 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
3290 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
3291 * config/sh/sh.c: Likewise.
3292 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
3294 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
3296 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
3298 * gcc.c (struct prefix_list): Add member priority.
3299 (enum path_prefix_priority): Declare.
3300 (add_prefix): Replace ``first'' with ``priority''. Append new
3301 entry but keep list in priority order.
3302 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
3303 PREFIX_PRIORITY_LAST to add_prefix.
3304 (process_command): Move include kludge - foo/stageN - to before
3307 2000-07-27 Jason Merrill <jason@redhat.com>
3309 * dwarf2out.c (gen_typedef_die): Abort if we get identical
3310 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
3312 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
3314 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
3315 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
3317 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
3319 * c-decl.c (finish_function): Don't treat 'main' specially unless
3320 flag_hosted. In C99 mode, return 0 from 'main' unless
3321 DEFAULT_MAIN_RETURN is otherwise defined.
3323 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
3324 parameters defaulting to int in an old-style function definition.
3326 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3328 * c-parse.in (string): For -Wtraditional, warn about string
3329 concatenation only once per line.
3331 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
3333 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
3334 for HI-UX/WE2 systems.
3336 2000-07-24 Bruce Korb <bkorb@gnu.org>
3338 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
3339 defining the __xxx_TYPE__ macros.
3340 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
3341 * fixincl/fixlib.h: don't need to include "tm.h" anymore
3342 * fixincl/inclhack.def(type_map): now obsolete
3344 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
3346 * cpp.texi: Append a trailing full-stop to xrefs where needed.
3348 2000-07-26 Dave Pitts <dpitts@cozx.com>
3350 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
3352 (mvs_hash_alias): New function.
3353 (mvs_add_alias): Change argument spacing.
3354 (mvs_need_alias): Change aliasing criteria. Added documentation.
3355 (mvs_get_alias): Change to use hashed name. The hashed name prevents
3356 CSECT name collisions.
3357 (mvs_check_alias): Likewise.
3358 (handle_pragma): Change documentation.
3359 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
3360 mode from SImode to DImode.
3361 (iorhi3): Changed LTORG size for insn.
3363 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
3365 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
3366 mem if the address is a mode_dependent_address_p.
3368 2000-07-26 Kazu Hirata <kazu@hxi.com>
3370 * h8300.c (print_operand): Print ":8" when the 'R' operand is
3371 suitable for 8-bit absolute.
3372 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
3373 (OK_FOR_U): Add a case for the 8-bit constant address on the
3376 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
3378 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
3379 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
3380 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
3381 lack of implemented alignment.
3383 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
3385 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
3386 cross-compiling between 64-bit and 32-bit machines.
3388 2000-07-27 Richard Henderson <rth@cygnus.com>
3390 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
3391 (movhicc_astep, movhi_internal_astep): New.
3392 (movsicc_astep, movsi_internal_astep): New.
3393 (movdicc_astep, movdi_internal_astep): New.
3394 (movsfcc_astep, movsf_internal_astep): New.
3395 (movdfcc_astep, movdf_internal_astep): New.
3396 (movxfcc_astep, movxf_internal_astep): New.
3397 (cmovdi_internal_astep, cmovsi_internal_astep): New.
3398 Unify the cmov[ds]i splitters.
3400 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
3402 * real.c (asctoeg): Rename `error' label to unexpected_char_error
3404 2000-07-26 Nick Clifton <nickc@cygnus.com>
3406 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
3407 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
3409 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
3410 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
3412 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
3414 * c-decl.c (finish_enum): Convert enumerations that fit in an
3416 (build_enumerator): In pedantic mode, cast to `int' those that
3419 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
3421 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
3423 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3425 * sh.md (cmpgtdi_t): Must be split.
3426 (cmpgtdi_t+1): New splitter.
3428 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3430 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
3431 warnings for indented directives even if we are skipping.
3433 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
3435 * invoke.texi (strict-prototypes): Remove.
3436 * extend.texi (Deprecated Features): Add strict-prototypes.
3437 (Backwards Compatibility): New node.
3439 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3441 * config/i386/i386.md (andsi_1+1): Allow HImode.
3442 (andsi_1+2): Require q_regs_operand.
3444 2000-07-25 Jakub Jelinek <jakub@redhat.com>
3446 * config/i386/i386.md (call_pop): Check operands[0],
3447 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3449 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
3450 (call_value): Likewise.
3452 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
3454 * toplev.c (pipe_closed): Delete.
3455 (crash_signal): New. Generate ICE for a fatal signal.
3456 (float_signal): Call crash_signal outside a float-handler
3458 (main): Install crash_signal as handler for core-dumping signals.
3460 2000-07-25 David Edelsohn <edelsohn@gnu.org>
3462 * rs6000.c (print_operand, case 'T'): New case.
3464 * rs6000.md (call_indirect_aix32): Convert to expander of
3465 scheduled instructions.
3466 (call_indirect_aix64): Likewise.
3467 (call_value_indirect_aix{32,64}): Likewise.
3468 (call, call_value): Invoke expanders for AIX. Fall through to
3470 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
3471 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
3472 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
3473 only "g" constraint.
3474 (call_nonlocal_aix64): Likewise.
3475 (call_value_nonlocal_aix{32,64}): Likewise.
3476 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
3478 (call_value_nonlocal_sysv): New pattern.
3479 (indirect_jump{si,di}): Use new 'T' modifier.
3480 (tablejump{si,di} matchers): Likewise.
3481 (return_internal_{si,di}): Likewise.
3482 (return_eh_{si,di}): Likewise.
3484 2000-07-24 Richard Henderson <rth@cygnus.com>
3486 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
3487 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
3488 * config/ia64/ia64.md (movdi_internal): Use it.
3490 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
3492 * cppexp.c: Warn about unary + if -Wtraditional.
3493 * cpplex.c (lex_line): Always set BOL on the first token of a line.
3495 2000-07-24 Michael Meissner <meissner@redhat.com>
3497 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
3500 2000-07-24 Nick Clifton <nickc@cygnus.com>
3502 * config/arm/arm.c (emit_multi_reg_push): Generate a
3503 REG_FRAME_RELEATED_NOTE that is compatable with the code in
3504 dwarf2out_debug_frame_expr.
3506 2000-07-24 Jason Merrill <jason@redhat.com>
3508 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
3509 UNALIGNED_INT_ASM_OP.
3510 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
3511 a location expression.
3512 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
3513 assume indirect access if we're saving the CFA address exactly.
3515 * Makefile.in (bootstrap): Move -BstageN/ to the end.
3517 2000-07-24 Jakub Jelinek <jakub@redhat.com>
3519 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
3522 2000-07-24 Michael Meissner <meissner@redhat.com>
3524 * invoke.texi (D30V Options): Add d30v options.
3526 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
3528 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
3529 needed by our gcse pass anymore.
3530 (free_pre_mem): Corresponding changes.
3531 (compute_pre_data): Do not call compute_transpout anymore.
3533 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
3534 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
3537 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
3538 (compute_pre_data): Do it here instead.
3540 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
3542 (pre_delete): Corresponding changes.
3544 2000-07-23 Mark Mitchell <mark@codesourcery.com>
3546 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
3547 to figure out whether or not a variable has already been emitted.
3549 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
3551 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
3552 instead of gen_call.
3554 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
3556 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
3558 2000-07-23 Kazu Hirata <kazu@hxi.com>
3560 * h8300.c: Fix formatting.
3562 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
3564 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
3565 for `long' switch expression into a plain warning.
3567 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
3568 (yylex): Don't pedwarn for "inline" in C99 mode.
3570 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
3572 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
3573 ggc_alloc): Likewise.
3574 * bb-reorder.c (dump_scope_forest_1): Likewise.
3576 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
3578 * reload.c (find_reloads_toplev): Add new parameter
3580 (find_reloads): Add new parameter to find_reloads_toplev calls.
3582 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
3584 * collect2.c (main): Typo fixed.
3585 * diagnostic.c: Typo fixed.
3586 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
3587 * eh-common.h: Typo fixed.
3588 * emit-rtl.c (start_sequence): Typo fixed.
3589 * flow.c (find_label_refs): Typo fixed.
3590 (calculate_global_regs_live): Typo fixed.
3591 (mark_regno_cond_dead): Typo fixed.
3592 (create_edge_list): Typos fixed.
3593 (verify_edge_list): Typo fixed.
3594 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
3595 * loop.c (strength_reduce): Typo in function name fixed.
3596 * rtl.h: Added comments. Typo in function name fixed.
3597 * rtlanal.c: Typo in function name fixed.
3598 (insn_dependant_p): Rename to ...
3599 (insn_dependent_p): ... this.
3600 (computed_jumo_p): Typo fixed.
3602 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3604 * system.h (__FUNCTION__): Wrap definition in #ifndef.
3606 2000-07-21 David Edelsohn <edelsohn@gnu.org>
3608 * rs6000.h (SIZE_TYPE): Define.
3610 2000-07-21 Mark Mitchell <mark@codesourcery.com>
3612 * ssa.c (rename_insn_1): Don't rename registers that are
3615 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
3617 * diagnostic.c (trim_filename, fancy_abort): Moved here from
3619 (fatal_function, set_fatal_function): Removed.
3620 (fatal): Don't prepare for or call the fatal_function.
3621 (diagnostic_lock, error_recursion): New.
3622 (diagnostic_for_decl, report_diagnostic): Guard against
3623 re-entering the error reporting routines.
3624 (fancy_abort): Assume function is not NULL.
3626 * errors.c (fancy_abort): New. Assume function is not NULL.
3627 * tradcpp.c (fancy_abort): Assume function is not NULL.
3629 * system.h: Provide default definition of __FUNCTION__.
3630 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
3631 Always use __FUNCTION__ in definition of abort.
3633 * varray.h: Likewise.
3634 * toplev.h: Likewise. Don't prototype set_fatal_function.
3636 2000-07-20 Geoff Keating <geoffk@cygnus.com>
3638 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
3640 * glimits.h: Don't do #if defined for ARCH_PPC.
3642 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
3643 constants of size no larger than a pointer should go in the TOC.
3644 Add 'MODE' parameter.
3645 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
3646 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
3647 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
3648 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
3649 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
3650 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
3651 (rs6000_legitimize_address): Likewise.
3652 (rs6000_emit_move): Likewise.
3653 (rs6000_select_rtx_section): Likewise.
3654 (output_toc): Deal properly with outputting small constants like
3655 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
3656 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
3657 MODE parameter. Put small constants in the TOC.
3659 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
3661 (rs6000_emit_move): When reload calls us with an illegitimate
3662 address, exit early. Move the change_address calls to one place
3663 at the end of the routine. Merge the SImode and DImode expanders.
3664 When called by reload to put an integer into a FP register, force
3667 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
3669 (rs6000_hash_constant): Hash mode too.
3670 (toc_hash_function): Allow for key_mode.
3671 (toc_hash_eq): Structures are different if key_mode differs.
3672 (output_toc): Add 'mode' parameter. Save key_mode.
3673 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
3674 Pass 'mode' parameter.
3675 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
3677 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
3678 for vtable references.
3680 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
3681 choice, don't put integer values in FP regs.
3683 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
3685 * flow.c (verify_flow_info): Revamp code to verify that the
3686 head and end of each basic block are in the insn chain.
3688 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
3690 * gcse.c (record_one_set): Prepend instead of append onto
3691 reg_set_table, making it O(n) instead O(n^2).
3692 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
3693 Use a queue instead of a stack as worklist.
3695 2000-07-20 Kazu Hirata <kazu@hxi.com>
3697 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
3698 * h8300.h (OK_FOR_T): New.
3699 (EXTRA_CONSTRAINT): Support OK_FOR_T.
3700 * h8300.md: Use inc/dec.[wl] for increment/decrement
3701 by 1 and 2 in HI and SI modes.
3703 2000-07-20 Jim Wilson <wilson@cygnus.com>
3705 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
3706 larger than 14 bits.
3708 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
3710 * cppmacro.c (CAN_PASTE_AFTER): New macro.
3711 (count_params): Don't set GNU_REST_ARGS on anything.
3712 (save_expansion): Set PASTE_LEFT only on tokens for which
3713 CAN_PASTE_AFTER is true, or which are named operators.
3715 * cpplex.c (parse_args): Distinguish between a rest argument
3716 given one empty argument, and a rest argument given zero arguments.
3717 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
3718 deletion of previous token based on that.
3719 (get_raw_token): Flatten some control structure.
3721 * cpplib.h (CPP_LAST_EQ): Correct.
3722 (VOID_REST): New token flag.
3723 (GNU_REST_ARGS): Delete.
3725 * tradcpp.c (main): Don't munge -D options.
3726 (make_definition): Bring -D handling in line with cpplib.
3727 (do_define): Strip all leading whitespace from macro definitions.
3729 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
3731 * Makefile.in (tradcpp): Depend on intl.o and version.o.
3733 2000-07-20 Bruce Korb <bkorb@gnu.org>
3735 * fixincl/check.tpl: strip the platform specific types before testing
3736 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
3737 * fixincl/fixincl.tpl: use platform specific types
3738 * fixincl/fixlib.h: include the platform specific types
3739 * fixincl/inclhack.def(gnu_types): don't supply the types
3740 * fixincl/fixincl.x: regen
3742 2000-07-19 Jim Wilson <wilson@cygnus.com>
3744 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
3747 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3749 * tradcpp.c (rescan): Do not recognize directives when the #
3752 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3754 Implement C++ named operators.
3756 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
3757 of operators allowed in #if and having an _EQ variant. Add
3758 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
3759 (cpp_token flags): Add NAMED_OP.
3760 (enum node_type): Add T_OPERATOR.
3761 (struct cpp_hashnode): Add code slot to value union.
3762 * cpphash.h (spec_nodes): Remove n_defined.
3764 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
3765 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
3766 (is_macro_disabled): Tweak error messages.
3768 * cpplib.c (get_define_node): Disallow all named operators as
3769 macro names. Tweak error messages.
3770 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
3772 * cppinit.c (builtin_array): Add entries for the named operators.
3773 * cppexp.c (lex): Check for CPP_DEFINED token.
3774 (priority table): Add entries for CPP_MIN and CPP_MAX.
3775 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
3777 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
3779 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
3780 larger than the array of cuids.
3781 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
3784 2000-07-19 Bruce Korb <bkorb@gnu.org>
3786 * fixinc/fixincl.c: Convert to using a table of environment variables
3787 and activate the auto-edit marker on the fixed output files.
3788 * fixinc/fixlib.h: Define the environment table
3789 * fixinc/fixincl.sh: export the ${INPUT} dir
3790 * fixinc/check.tpl: likewise
3792 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
3794 * gcc.c (.h spec): Fix typo.
3796 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
3798 * Makefile.in: Fix tradcif.c path.
3800 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
3802 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
3805 * cpphash.h (TOKEN_NAME): New macro.
3806 (_cpp_spell_operator): Deleted.
3807 (token_spellings): Now _cpp_token_spellings.
3809 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
3810 * cpplex.c: Use OP and TK macros when expanding the
3811 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
3812 store the stringification of the enumeration name (CPP_CHAR,
3813 etc.) in the name slot of token_spellings.
3814 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
3815 token_spellings directly.
3816 * cpplib.c: Use TOKEN_SPELL.
3818 * cpplex.c (_cpp_push_token): If the token being pushed back
3819 is the previous token in this context, just subtract one from
3821 * cppmacro.c (save_expansion): Clear aux field when storing a
3824 2000-07-18 Jakub Jelinek <jakub@redhat.com>
3826 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
3827 buffer, provided it is not NULL.
3829 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
3831 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
3832 case of invalid volatile re-declaration.
3834 2000-07-18 Jakub Jelinek <jakub@redhat.com>
3836 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
3837 (expand_call): Adjust caller.
3839 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
3841 * diagnostic.h (report_diagnostic): Change prototype.
3843 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
3844 diagnostic_for_decl): Change prototype.
3845 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
3846 error, warning, error_with_file_and_line,
3847 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
3848 Adjust call to report_diagnostic, diagnostic_for_decl.
3849 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
3850 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
3852 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
3853 varaible argument list.
3855 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
3857 * cpphash.c: Don't include hashtab.h. Most macro-handling code
3858 moved to cppmacro.c.
3859 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
3860 dump_hash_helper): Delete.
3861 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
3862 cpp_forall_identifiers): New. Implement specialized version of
3863 Vlad's expandable hash table.
3864 (cpp_lookup): Use new functions.
3865 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
3867 * cppmacro.c: New file.
3868 * cppinit.c (dump_macros_helper): New.
3869 (cpp_finish): Iterate over the identifier table directly.
3870 * cpplex.c (parse_name): Calculate the hash of the identifier
3871 while we scan it. Use _cpp_lookup_with_hash when we can.
3873 * cpphash.h: Update prototypes.
3874 (xcnewvec, HASHSTEP): New helper macros.
3875 * cpplib.h: Update prototypes.
3876 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
3877 (cppmacro.o): New rule.
3878 (cpphash.o): Update deps.
3880 * cppmain.c: Do not set pfile->printer if no_output is on.
3882 2000-07-15 Neil Booth <neilb@earthling.net>
3884 * cpplib.c: Change all directive-handler functions to return
3886 * cpphash.h: Update typedefs.
3888 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
3890 * configure: Regenerate.
3892 * extend.texi (Extended Asm): Mention that a memory clobber
3893 does not count as a side-effect.
3895 * unroll.c (copy_loop_body): Fix one instance of using host
3896 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
3899 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
3901 2000-07-17 Richard Henderson <rth@cygnus.com>
3903 * config/ia64/ia64.md (movdi): Split out load address code.
3904 New post-reload splitter for symbolic operands.
3905 (movdi_internal): Abort if we didn't split symbolic operands
3906 when we should have.
3907 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
3908 (ia64_reorg): Split insns when not optimizing.
3909 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
3911 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3913 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
3914 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
3916 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
3918 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
3920 2000-07-17 Jason Merrill <jason@redhat.com>
3922 * Makefile.in (clean): Remove libgcc directory.
3924 * configure.in (-Wno-long-long check): Use higher-level macros.
3926 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
3928 * simplify-rtx.c (simplify_binary_operation): Recognize
3929 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
3930 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
3931 a CONST_INT, it will always be zero.
3933 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
3935 * loop.c (check_dbra_loop) : Return if more than one condition is
3936 present to control the loop.
3938 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3940 * mips.c (mips_expand_prologue): Don't calculate the last argument
3941 register unless we need it. When we are calculating this, make
3942 sure FUNCTION_ARG is giving us a REG.
3944 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3946 * flow.c (libcall_dead_p): Use single_set to verify the insn
3947 has only one set and get for analysis.
3948 (propagate_one_insn): Don't pass the PATTERN of the insn.
3950 2000-07-17 Mark Klein <mklein@dis.com>
3952 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
3954 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3956 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
3957 * configure.in (TARGET_GETGROUPS_T): Evaluate.
3958 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
3959 of second argument of getgroups.
3960 * configure, config.in: Rebuilt.
3962 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
3964 * simplify-rtx.c (simplify_relational_operation): Two signed
3965 values with equal high words are less/greater than each other if
3966 their low words are less/greater when considered as unsigned.
3968 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
3970 * configure.in (vax-*-openbsd): Change to new style configuration,
3971 add collect2/float_format information.
3972 * configure: Rebuilt.
3973 * config/vax/openbsd1.h: New.
3974 * config/vax/openbsd.h: New.
3975 * config/vax/t-openbsd: New.
3977 2000-07-17 Chip Salzenberg <chip@valinux.com>
3979 * c-common.c (shorten_compare): Quiet warnings about unsigned
3980 comparisons with zero when they occur in a system header.
3982 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3984 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
3985 update to describe current practice.
3987 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
3989 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
3990 references to C9X. Change references to -fstd and -flang-isoc9x
3993 * c-common.c (scan_char_table): Allow "z" length modifiers on
3995 (check_format_info): Use TYPE_DOMAIN on the type matched against
3996 for "z" formats, to retrieve the language size_t rather than the
3999 * c-common.c (check_format_info): Do not make a pedantic objection
4000 to the 'L' length modifier if used with a floating point type
4003 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
4004 constants in C99 mode.
4006 2000-07-17 Kazu Hirata <kazu@hxi.com>
4008 * h8300.md: Fix the format of mac.
4009 (movsi_h8300hs): Output a tab after stmac instead of a space.
4011 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
4012 profitable adds/subs sequences.
4014 * fold-const.c: Fix comment typos.
4016 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
4018 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
4020 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4022 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
4024 2000-07-16 Neil Booth <NeilB@earthling.net>
4026 * cpplex.c: Update comments.
4027 * README.Portability: Small update.
4029 2000-07-16 Neil Booth <NeilB@earthling.net>
4031 * README.Portability: Small update.
4033 2000-07-15 Richard Henderson <rth@cygnus.com>
4035 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
4036 * config/ia64/ia64.c (ia64_move_ok): New function.
4037 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
4038 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
4040 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
4042 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
4043 immediately following a paste operator.
4044 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
4045 (cpp_reader_init): Call it, if HOST_EBCDIC.
4046 (cpp_handle_options): Do not sort option list here.
4047 (handle_option): Rename to cpp_handle_option and export.
4048 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
4049 _cpp_get_token directly.
4050 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
4051 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
4052 * cpplib.h: Prototype cpp_handle_option. Update prototype of
4055 2000-07-15 Richard Henderson <rth@cygnus.com>
4057 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
4058 cast around an expression. Tidy other unsigned tests.
4060 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
4062 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
4063 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
4064 (v_message_with_decl): Rename to ...
4065 (format_with_decl): ... this. Tweak
4066 (diagnostic_for_decl): New function.
4067 (fatal_io_error): Use verbatim in lieu of notice.
4068 (announce_function): Use verbatim.
4069 (default_print_error_function): Likewise.
4070 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
4073 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4075 * mips.c (function_arg_pass_by_reference): Don't do automatic
4076 aggregate initialization.
4077 (machine_dependent_reorg): Initialize variable `mode'.
4079 * mips.md (absdi2): Change variable `regno1' to unsigned int.
4080 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
4081 conflicts with sys/param.h macro of the same name.
4082 (reload_outdi): Likewise.
4084 2000-07-15 Michael Meissner <meissner@redhat.com>
4086 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
4087 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
4088 create a new node instead.
4090 2000-07-15 Neil Booth <NeilB@earthling.net>
4092 * README.Portability: Correct example about calling a function
4093 through a pointer to function. Format wide paragraphs.
4095 2000-07-15 Michael Meissner <meissner@redhat.com>
4097 * README.Portability: Update integer suffixes and function
4100 2000-07-15 Neil Booth <NeilB@earthling.net>
4102 * README.Portability: Small update.
4104 2000-07-15 Neil Booth <NeilB@earthling.net>
4106 * README.Portability: New file.
4108 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
4110 * INSTALL: Give special instructions for building GCC on Irix 6.
4111 * config/mips/x-iris6 (CC): Don't set it.
4114 2000-07-14 Jason Merrill <jason@redhat.com>
4116 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
4117 register in the stack and later in another register, use the new
4120 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4122 * config/mips/mips.md: (absdi2): Handle sign_extend for
4125 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
4127 * cpplib.c (do_pragma_dependency): Tidy warning messages.
4129 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
4131 * .cvsignore: Correct typo.
4133 2000-07-13 Mark Mitchell <mark@codesourcery.com>
4135 * .cvsignore: Add generated YACC files.
4136 * objc/.cvsignore: New file.
4138 2000-07-14 Neil Booth <NeilB@earthling.net>
4140 * cpplex.c (adjust_column): New funcion.
4141 (skip_whitespace): Use it.
4142 (skip_block_comment): Use it, and warn about /*/* with
4145 2000-07-14 Neil Booth <NeilB@earthling.net>
4147 * cpphash.c (struct macro_info): Add new members.
4148 (_cpp_free_definition): Delete the macro directly.
4149 (count_params): Return void, with first token of
4150 expansion in struct macro_info on success.
4151 (parse_define): Return int. Hoist syntax checking from
4152 save_macro_expansion. Leave call to save_expansion to
4153 _cpp_create_definition.
4154 (alloc_macro): Needs just 2 arguments.
4155 (free_macro): Delete.
4156 (save_expansion): Don't perform syntax check.
4157 (_cpp_create_definition): Call save_expansion.
4159 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4161 * genrecog.c (write_header): Split long string.
4163 * cpphash.c (macro_info): Don't use the `signed' keyword.
4165 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
4167 2000-07-13 Jakub Jelinek <jakub@redhat.com>
4169 * calls.c (stored_args_map): New variable.
4170 (check_sibcall_argument_overlap_1): New.
4171 (check_sibcall_argument_overlap): New.
4172 (expand_call): Initialize stored_args_map.
4173 Call check_sibcall_argument_overlap.
4175 2000-07-13 Bruce Korb <bkorb@gnu.org>
4177 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
4178 (emit_gnu_type): utility procedure for gnu_type_fix
4179 (gnu_type_fix): implement various pre-processor guards around
4180 standard types so these types can be defined over and over
4181 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
4182 types alluded to above will have GNU-compliant base types
4183 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
4184 * fixinc/inclhack.def: add test_text entries and utilize the new
4185 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
4186 * fixinc/fixincl.x: regenerate
4188 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4190 * diagnostic.c (vline_wrapper_message_with_location,
4191 v_message_with_file_and_line, v_error_with_file_and_file,
4192 v_error_for_asm, v_warning_for_asm, vfatal,
4193 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
4194 vsorry, verror, vwarning, vpedwarn): Remove.
4195 (diagnostic_for_asm): New function.
4196 (pedwarn, error, warning, pedwarn_with_file_and_line,
4197 error_with_file_and_line, warning_with_file_and_line, sorry,
4198 error_for_asm, warning_for_asm, fatal): Reimplement.
4199 (finish_diagnostic): Clear diagnostic info as well.
4201 2000-07-13 Neil Booth <NeilB@earthling.net>
4203 * c-common.h (flag_digraphs): New.
4204 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
4205 * c-lex.c (yylex): Use flag_digraphs to decide whether to
4208 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
4210 * gcc.c (do_spec_1): Add new %B operator.
4211 (set_input): Prepare for %B.
4213 (link_command_spec): Move up with the other tm.h-
4214 overrideable specs. Factor out the portion conditional on
4215 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
4216 (struct compiler): Just have a single spec string. All users
4218 (default_compilers): Remove unnecessary braces.
4219 (static_specs): Update.
4221 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
4223 (C and assembly specs): Use the new named specs, as appropriate.
4225 * objc/lang-specs.h: Use the new named specs.
4226 Remove unnecessary braces.
4228 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4230 * gcc.c (execute): If a subprocess gets a fatal signal, report
4231 strsignal() of the signal number, and ask for a bug report.
4232 Do not do this for SIGPIPE if there's already been an error.
4234 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
4237 * tradcif.c: Remove.
4239 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4241 * final.c (profile_function): Do not emit profile counters in
4242 the data section, if NO_PROFILE_COUNTERS is defined.
4243 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
4246 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
4247 (FUNCTION_PROFILER): Just emit a call to mcount.
4249 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4251 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
4253 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
4254 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
4255 traditional, lang_chill, or lang_fortran.
4257 * cppfiles.c: #undef strcmp to suppress warning about macros
4258 used without arguments.
4259 (_cpp_execute_include): Use f, not fname, in "No include path"
4261 (_cpp_pop_file_buffer): New function.
4262 * cpplib.c: Don't include <sys/mman.h>.
4263 (cpp_push_buffer): Set line_base and lineno in new buffer.
4264 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
4266 * cpplex.c: Move all prototypes and structure declarations to the
4267 top of the file. Properly parenthesise some macro arguments.
4268 (cpp_scan_line): New function.
4269 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
4270 don't need to walk up the stack counting.
4272 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4274 * c-common.c (combine_strings): Emit a pedantic warning when a
4275 string length is greater than the minimum ANSI C is required
4278 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
4280 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
4281 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
4283 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4285 * c-decl.c (define_label): Warn about identifier conflicts with
4286 labels in traditional C.
4288 * c-parse.in (unop +): Warn about the unary plus operator for
4291 * c-typeck.c (store_init_value): Warn about automatic aggregate
4292 initialization for traditional C.
4294 * invoke.texi (-Wtraditional): Document new warnings.
4296 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4298 * Makefile.in (c-errors.o): Fix thinko in dependency.
4300 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4302 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
4303 -traditional, -ftraditional, or -traditional-cpp was given.
4304 Do not pass -traditional to the preprocessor.
4305 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
4306 preprocessor does it automatically.
4307 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
4309 * ch/lang-specs.h: Always use tradcpp. Do not pass
4310 -traditional, -trigraphs, or -pedantic to the preprocessor.
4311 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
4314 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
4316 * cppexp.c (LOGICAL): Delete macro.
4317 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
4320 * cpphash.c (HASHSIZE): Increase to 4096.
4321 (struct hashdummy): Add hash field.
4322 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
4323 the string values using memcmp.
4324 (cpp_lookup): Set dummy.hash.
4326 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
4328 * configure.in (m88k-openbsd): Express configuration using new fragment
4330 * configure: Rebuilt.
4331 * m88k/aout-dbx.h: New.
4332 * m88k/openbsd.h: New.
4333 * m88k/xm-openbsd.h: New.
4335 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4337 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
4339 2000-07-12 Richard Henderson <rth@cygnus.com>
4341 * reload.c (push_secondary_reload): Make sure to add the new
4342 reload at the end, after acquiring secondary memory.
4344 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4346 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
4348 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
4349 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
4351 * c-parse.in (stmt): Delete unused variables.
4353 * convert.c (convert_to_vector): Likewise.
4355 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
4357 * tree.c (finish_vector_type): Prototype.
4359 2000-07-12 Bruce Korb <bkorb@gnu.org>
4361 * fixinc/fixfixes.c: use xmalloc
4362 * fixinc/fixincl.c(initialize): set program name for xmalloc
4363 * fixinc/fixlib.c(must_malloc): obsolete
4364 (is_cxx_header): no longer used - disabled
4365 (skip_quote): inserted and disabled for future use
4366 * fixinc/fixlib.h: reflects above
4367 * fixinc/fixtests.c: removed dinkleberries
4369 2000-07-12 Neil Booth <NeilB@earthling.net>
4371 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
4372 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
4374 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
4375 struct toklist_dummy): New.
4376 (cpp_free_definition): Free macros with free_macro.
4377 (count_params): Don't save paramter spellings. Save macro
4378 information in a struct macro_info.
4379 (parse_define): Don't allocate a token list.
4380 (save_expansion): Allocate the macro's token list, and
4381 save parameter spellings if necessary. Use TOKEN_SPELL.
4382 (cpp_create_definition): Make list const.
4384 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4386 * c-typeck.c (pedwarn_c99): Move to
4387 * c-errors.c: ... Here.
4388 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
4389 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
4390 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
4391 (c-errors.o): List dependency.
4393 2000-07-12 Mark Mitchell <mark@codesourcery.com>
4395 * c-parse.c: Remove.
4396 * c-parse.h: Likewise.
4397 * c-parse.y: Likewise.
4398 * objc/objc-parse.c: Likewise.
4399 * objc/objc-pasre.y: Likewise.
4401 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
4403 * gcc.texi: Fix minor typos
4404 * extend.texi: Fix minor typos
4406 2000-07-11 Marc Espie <espie@openbsd.org>
4408 * collect2.c (main): Recognize .lo as object files.
4410 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4412 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
4415 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
4416 with MAP_ANONYMOUS and MAP_ANON.
4417 * configure, config.in: Rebuilt.
4419 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
4421 * diagnostic.c (save_output_state): Remove.
4422 (restore_output_state): Likewise.
4423 (clear_text_info): New function.
4424 (clear_diagnostic_info): Likewise.
4425 (output_text_length, is_starting_newline, output_prefix,
4426 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
4427 prefixing_policy, output_buffer_ptr_to_format_args): New macros
4428 (set_real_maximum_length, output_set_maximum_length,
4429 output_set_prefix, output_get_prefix, output_set_maximum_length,
4430 output_destroy_prefix, init_output_buffer,
4431 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
4432 output_add_newline, output_add_character, output_add_space,
4433 output_append_r, output_append, wrap_text, output_format,
4434 output_do_printf, output_printf, output_do_verbatim,
4435 output_verbatim, verbatim): Use them.
4436 (output_clear): Split into cleat_text_info and
4437 clear_diagnostic_info.
4438 (struct output_state): Move to...
4440 * diagnostic.h: ...Here
4441 (struct output_buffer): Adjust.
4443 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
4445 * cpplex.c (parse_name): No longer inline (premature optimization).
4446 (do_pop_context): Fold into pop_context.
4447 (pop_context): Returns int.
4448 (lex_next): Hoist test for end of directive into pop_context.
4449 (push_macro_context): Returns int; takes just reader and token.
4450 Hoist test for excessive nesting to caller.
4451 (push_arg_context): Returns void; takes just reader and token.
4452 Do not call stringify_arg or get_raw_token.
4453 (get_raw_token): Convert tail recursion through push_arg_context
4454 to a loop at this level. Call stringify_arg here if appropriate.
4455 (maybe_paste_with_next): Convert tail recursion to a while loop.
4456 Hoist test of paste_level to caller.
4458 (stringify_arg): Push arg context at beginning.
4459 (cpp_get_token): Split out core into _cpp_get_token. Call
4460 process_directive here. Throw away CPP_PLACEMARKER tokens.
4461 (_cpp_get_token): Convert tail recursion through
4462 push_macro_context to a loop at this level.
4463 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
4464 _cpp_get_raw_token): Use _cpp_get_token.
4465 (_cpp_skip_rest_of_line): Drop the context stack directly; do
4466 not call pop_context.
4467 (_cpp_run_directive): Call lex_next directly.
4469 * cpphash.h: Prototype _cpp_get_token.
4470 * cppexp.c (lex): Use it.
4471 * cpphash.c (parse_define): Use it.
4472 * cpplib.c (get_define_node, do_undef, parse_include,
4473 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
4474 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
4475 parse_ifdef, validate_else): Use it.
4476 (cpp_push_buffer): Tweak error message; abort if anyone tries
4477 to push a buffer while macro expansions are stacked.
4479 2000-07-11 Donn Terry <donnte@microsoft.com>
4481 * cpplex.c (free_macro_args, save_token): Cast arg of free
4482 and/or xrealloc to PTR.
4483 (_cpp_init_input_buffer): Clear all fields of the base context.
4485 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
4487 * gensupport.c (process_rtx): Make rtl checking stop
4488 complaining about the define_insn while it is being
4489 converted from a define_insn_and_split.
4491 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
4493 * config/mips/mips.c (simple_memory_operand): Access the
4494 INTVAL of the address, not it's containing MEM.
4496 2000-07-11 Bruce Korb <bkorb@gnu.org>
4498 * fixinc/fixtests.c(double_slash): obsolete
4499 (else_endif_label): likewise
4500 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
4501 (libc1_ifdefd_memx): correct initial comment
4502 and omit the #if/#endif pair from the memxxx declarations
4503 * fixinc/fixincl.x: regen
4505 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4507 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
4509 2000-07-11 Neil Booth <NeilB@earthling.net>
4513 2000-07-11 Neil Booth <NeilB@earthling.net>
4515 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
4516 (handle_option): Set digraphs according to standard.
4517 Merge OPT_lang_c89 handler with OPT_std_c89.
4519 * cpplex.c: (lex_line, can_paste): Honour digraphs in
4520 accordance with the digraphs flag.
4522 * cpplib.h: (struct cpp_options): New option digraphs.
4524 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
4525 Bruce Korb <bkorb@gnu.org>
4527 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
4528 * fixinc/fixincl.x: Regenerate.
4529 * fixinc/tests/base/testing.h: Add testcase.
4531 2000-07-10 Richard Henderson <rth@cygnus.com>
4533 * config/ia64/ia64.c (got_symbolic_operand): New.
4534 (symbolic_operand, move_operand): Revert 0701 change.
4535 * config/ia64/ia64.h (PREDICATE_CODES): Update.
4536 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
4537 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
4538 split the offset into a 14-bit low part instead of a 13-bit low part.
4539 (load_fptr): Mark the mem as unchanging.
4540 (load_symptr): Use got_symbolic_operand.
4542 2000-07-10 Nick Clifton <nickc@cygnus.com>
4544 * libgcc2.c (next_stack_level): Cast result of computation to
4545 (void **) so that the assignment does not generate a warning.
4547 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
4549 * flags.h : Add new variable flag_single_precision_constant.
4550 * toplev.c (display_help) : Add -fsingle-precision-constant option.
4551 (flag_single_precision_constant): New.
4552 * c-lex.c (yylex): Convert floating point constant to single
4554 * invoke.texi : Add documentation for this new option.
4556 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4558 * diagnostic.c (output_octal): Second parameter is unsigned.
4559 (output_long_octal): Likewise.
4560 (output_hexadecimal): Likewise.
4561 (output_long_hexadecimal): Likewise.
4562 (output_format): Adjust arguments extraction. Tweak.
4563 (output_verbatim, verbatim): End variable argument list.
4564 (report_diagnostic): Improve documentation.
4566 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
4568 * c-common.h (build_stmt): Declare.
4569 (build_continue_stmt): Likewise.
4570 (build_break_stmt): Likewise.
4571 (build_return_stmt): Likewise.
4573 * c-decl.c (do_case): Rewrite to do what previously done in
4576 * c-semantics.c (build_stmt): Define.
4577 (build_return_stmt): Likewise.
4578 (build_break_stmt): Likewise.
4579 (build_continue_stmt): Likewise.
4580 (build_case_label): Likewise.
4582 * c-parse.in (BREAK): Change to build tree, then generate RTL.
4583 (CONTINUE): Likewise.
4586 (DEFAULT): Likewise.
4588 * c-parse.y: Regenerate.
4589 * c-pasre.c: Likewise.
4591 2000-07-09 Jason Merrill <jason@redhat.com>
4593 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
4595 * tree.h (STRIP_NOPS): Check for error_mark_node.
4596 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
4597 (dwarf2out_*): Remove duplicate declarations.
4599 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
4600 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
4602 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
4604 * diagnostic.c (wrap_text): New function.
4605 (maybe_wrap_text): Likewise.
4606 (output_add_string): Use it.
4607 (output_format): Likewise.
4608 (count_error): Use verbatim instead of notice.
4609 (report_error_function): Likewise. Don't use plain fprintf.
4610 (finish_diagnostic): New function.
4611 (output_do_verbatim): Tweak. Commonalize functionalities in
4612 output_verbatim and verbatim.
4613 (output_verbatim): Adjust.
4614 (verbatim): Likewise.
4615 (report_diagnostic): Define.
4617 * diagnostic.h (report_diagnostic): Prototype.
4619 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
4621 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
4623 2000-07-09 Neil Booth <NeilB@earthling.net>
4625 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
4626 IShspace, ISspace: Update.
4628 * cppinit.c: ISTABLE: Update.
4631 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
4632 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
4633 (skip_block_comment, skip_line_comment, parse_string,
4634 lex_line): Use is_vspace rather than IS_NEWLINE.
4635 (skip_whitespace, lex_line): Clean up to use is_nvspace.
4636 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
4638 (lex_next): Unconditionally stop if within a directive.
4639 Treat directives within macro invocations as directives
4640 (after parse_args emits error), not as the argument.
4642 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
4644 * diagnostic.c (diagnostic_args): New macro.
4645 (diagnostic_msg): Likewise.
4646 (output_formatted_integer): Likewise.
4647 (output_state): New data type.
4648 (digit_buffer): Make global.
4649 (output_add_integer): Rename to output_decimal. Squeeze
4651 (output_long_decimal, output_unsigned_decimal,
4652 output_long_unsigned_decimal, output_octal, output_long_octal,
4653 output_hexadecimal, output_long_hexadecimal): New functions.
4654 (output_append_r): New function.
4655 (output_append): Tweak.
4656 (output_flush_on): Rename to output_to_stream.
4657 (output_format): Change prototype. Improve documentation. Handle
4658 more format specifiers.
4659 (build_location_prefix): Rename to context_as_prefix.
4660 (output_notice): Rename to output_do_printf.
4661 (output_printf): Tweak.
4662 (line_wrapper_printf): Likewise.
4663 (vline_wrapper_message_with_location): Adjust call to renamed
4665 (v_message_with_decl): Likewise.
4666 (default_print_error_function): Likewise.
4667 (save_output_state): New function.
4668 (restore_output_state): Likewise.
4669 (output_do_verbatim): Likewise.
4670 (output_verbatim): Define.
4671 (verbatim): Likewise.
4673 * diagnostic.h (printer_fn): Change return type from void to int.
4674 Improve documentation.
4675 (output_add_integer): Rename to output_decimal.
4676 (output_flush_on, output_format): Don't export.
4677 (output_verbatim, verbatim): Declare.
4679 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
4681 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
4682 Check whether c divides op1 exactly if operation is not
4685 2000-07-08 Richard Henderson <rth@cygnus.com>
4687 * final.c (final): Do not abort when reg-stack introduces
4690 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
4692 * cpplib.h (struct cpp_name): Now struct cpp_string.
4693 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
4694 CPP_HEADER_NAME): Change to type S.
4695 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
4696 field, a cpp_hashnode *. All references to val.name updated
4697 to use val.str or val.node as appropriate.
4698 (struct cpp_reader): Add spec_nodes field.
4699 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
4701 * cpphash.h (struct spec_nodes): New.
4702 (enum spell_type): Reorder. Only SPELL_STRING tokens use
4703 val.str. All references to 'spelling > SPELL_NONE' updated to
4706 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
4707 pfile->buffer->inc are not NULL before dereferencing them.
4709 * cpplex.c (parse_name): Take a pointer to the current token,
4710 plus current position and limit as args; return the new
4711 position; don't copy the text of a name into the string
4712 buffer, instead call cpp_lookup and store the node pointer.
4713 If extending a token, copy out the text of the old into a
4714 scratch buffer, append the new, look that up and store the new
4715 node pointer. Inline.
4716 (maybe_paste_with_next): If the result of paste is a NAME,
4717 then look up the pasted text and store its node pointer.
4718 (lex_line): Adjust for new parse_name interface.
4719 Check for L"str", L'str' using spec_nodes->n_L.
4720 (spell_token): SPELL_IDENT tokens have their spelling in
4721 val.node->name. Handle SPELL_STRING tokens that don't have
4723 (_cpp_expand_name_space,
4724 (can_paste): Check for L ## "str" using spec_nodes->n_L.
4725 (cpp_get_token, special_symbol): No need to call cpp_lookup.
4726 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
4727 return 1=equal 0=not, not a tristate.
4729 * cpphash.c (var_args_str): Delete.
4730 (find_param): Compare node fields directly.
4731 (is__va_args__): Use CPP_PEDANTIC. Just compare
4732 token->val.node with spec_nodes->n__VA_ARGS__.
4733 (dump_funlike_macro): Don't use var_args_str.
4735 * cpplib.c (_cpp_check_directive): Just walk through
4736 spec_nodes->dirs comparing pointers.
4737 (get_define_node, do_pragma_poison, detect_if_not_defined,
4738 parse_ifdef): The identifier has already been looked up.
4739 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
4741 (do_if): Only call detect_if_not_defined at beginning of file.
4742 (_cpp_parse_assertion): Only copy string pointers for
4743 SPELL_STRING tokens.
4744 (pragma_dispatch): Take a node pointer and examine its name
4746 (_cpp_init_stacks): Also initialize the spec_nodes structure.
4748 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
4750 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
4751 reverse order from the corresponding _cpp_init_* routines.
4753 * cppexp.c (parse_number, parse_charconst, parse_defined,
4754 lex): Check val.node->type instead of calling cpp_defined.
4755 Use spec_nodes entries where appropriate.
4757 * fix-header.c, scan-decls.c: Update for interface changes.
4759 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
4761 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
4762 emitting aux_truncdfsf2.
4764 2000-07-03 Donn Terry (donnte@microsoft.com)
4766 * cppinit.c (print_help): split overlong line into ISO C89
4769 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
4771 * cppexp.c: Update all code for new lexer interface.
4772 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
4773 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
4774 * cpplex.c (token_names): Trim leading CPP_ from names; make
4775 the strings unsigned.
4776 (_cpp_spell_operator): New.
4777 (is_macro_disabled): Disable all macros if rescanning
4779 (_cpp_get_directive_token): Remove.
4781 * cppinit.c: Don't set no_macro_expand.
4782 * cpplib.c (read_line_number, do_line): Check only for EOF,
4784 * cpphash.h: Update prototypes.
4785 * cpplib.h (CPP_VSPACE): Remove.
4786 (struct cpp_reader): Remove no_macro_expand.
4788 2000-07-08 Neil Booth <NeilB@earthling.net>
4790 * cpphash.c (is__va_args__): New function.
4791 (count_params): Fix line reported in error messages. Use
4792 is__va_args__. Don't return ')' on error. Flag GNU style
4793 rest args macro definitions.
4794 (parse_define): Check macro name is not __VA_ARGS__.
4795 (save_expansion): Check identifier in non-varargs-macro is
4796 not __VA_ARGS__. Don't flag GNU_VARARGS.
4797 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
4798 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
4799 than per-token GNU_VARARGS.
4800 * cpplib.h (GNU_VARARGS): Remove.
4801 (GNU_REST_ARGS): New.
4803 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4805 * i386.md (call_pop, call, call_value_pop): Do not set
4806 current_function_uses_pic_offset_table for calls to static
4807 functions or indirect calls.
4809 2000-07-07 Jim Wilson <wilson@cygnus.com>
4811 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
4812 is_predicate_reg, then take max write_count of register pair.
4814 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4816 * tradcpp.c (main): Rename label `include' to `add_include' to
4817 avoid conflicts with variable `include' in traditional C.
4819 2000-07-07 Jakub Jelinek <jakub@redhat.com>
4821 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
4823 2000-07-07 Jakub Jelinek <jakub@redhat.com>
4825 * sibcall.c (uses_addressof): Add INMEM argument, check for
4826 current_function_internal_arg_pointer outside of MEM rtxs in addition
4828 (sequence_uses_addressof): Update caller.
4830 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
4832 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
4835 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4837 * system.h (UNION_INIT_ZERO): New macro for initializing union
4840 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
4842 2000-07-07 Neil Booth <NeilB@earthling.net>
4846 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
4848 * final.c (final): Detect out of bounds array access to
4849 the insn_lengths array.
4851 2000-07-07 Kazu Hirata <kazu@hxi.com>
4853 * fold-const.c (fold): Fix a comment typo.
4855 2000-07-07 Neil Booth <NeilB@earthling.net>
4857 * cpp.texi: Update to new lexer.
4859 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
4861 * tradcpp.c: New file.
4862 * tradcif.y: New file.
4863 * tradcif.c: New generated file.
4865 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
4866 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
4867 dependencies of C. Install tradcpp from install-common, in
4870 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
4872 * cppinit.c: Include cppdefault.h. Refer to
4873 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
4874 to GCC_INCLUDE_DIR and its length.
4875 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
4876 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
4877 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
4879 (include_defaults_array): Move to cppdefault.c.
4881 * cppdefault.h: New file.
4882 * cppdefault.c: New file.
4884 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
4885 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
4886 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
4889 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4891 * reload.c (push_reload): When seeing if can reuse a register,
4892 check extra registers against widest of INMODE and OUTMODE.
4894 2000-07-06 Neil Booth <NeilB@earthling.net>
4896 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
4897 based on full length of predicate.
4899 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
4901 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
4902 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
4904 2000-07-05 Kazu Hirata <kazu@hxi.com>
4906 * h8300-proto.h: Fix formatting.
4907 * h8300.c: Likewise.
4908 * h8300.h: Likewise.
4910 2000-07-05 Jim Wilson <wilson@cygnus.com>
4912 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
4915 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
4917 * invoke.texi: Fix minor typos
4918 * md.texi: Fix minor typos
4920 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
4922 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
4924 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
4926 * cpplex.c: Don't include sys/mman.h.
4927 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
4929 * cpplib.c: Include sys/mman.h and obstack.h.
4930 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
4932 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
4933 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
4934 bother freeing if stack entries (they will be freed with their buffer).
4935 (do_endif): Free if stack entries from the buffer obstack.
4936 (push_conditional): Allocate if stack entries from the buffer obstack.
4938 (find_answer): Rename to _cpp_find_answer.
4939 (do_assert, do_unassert): Update.
4941 * cpphash.h: Update prototypes.
4942 (xobnew): New convenience macro.
4943 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
4945 (struct cpp_hashnode): Remove disabled field.
4947 * cppinit.c: Don't include hashtab.h or splay-tree.h.
4948 (report_missing_guard): Moved to cppfiles.c.
4949 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
4951 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
4952 cpp_cleanup_includes. Don't destroy hashtab or
4953 all_include_files here.
4954 (cpp_finish): Use _cpp_report_missing_guards.
4956 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
4957 (_cpp_init_include_table): Rename _cpp_init_includes.
4958 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
4960 * cppexp.c (parse_assertion): Update for new name of
4963 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
4965 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
4967 * cpplib.c (do_ident): s/VSPACE/EOF/
4969 2000-07-05 Neil Booth <NeilB@earthling.net>
4971 * cpplex.c: Fix trigraph replacement within strings.
4973 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4975 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
4977 * xcoffout.c (assign_type_number): Constify.
4978 (xcoffout_source_file): Add static prototype. Don't needlessly
4979 cast away const-ness.
4981 2000-07-04 Jason Merrill <jason@redhat.com>
4983 * frame.h (frame_state): Move base_offset to end.
4985 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
4987 * calls.c (emit_library_call_value_1): Revert previous change.
4989 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
4991 * fix-header.c (struct partial_proto): Remove unnecessary fields.
4992 (recognized_extern, recognized_function, read_scan_file):
4993 Update for new scheme.
4994 (check_protection): It's still a multiple include guard even
4995 if it doesn't always trigger.
4996 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4998 * scan.h: Declare struct cpp_token. Update prototypes.
5000 2000-07-03 Neil Booth <neilb@earthling.net>
5001 Zack Weinberg <zack@wolery.cumb.org>
5003 Complete overhaul of the lexer and macro expander.
5005 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
5006 arg, arglist, argdata, reflist, collect_objlike_expansion,
5007 collect_funlike_expansion, collect_params,
5008 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
5009 unsafe_chars, macarg, compare_defs, special_symbol,
5010 scan_arguments, stringify, funlike_macroexpand,
5011 _cpp_quote_string, monthnames): Delete.
5012 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
5013 _cpp_create_definition, _cpp_dump_definition,
5014 dump_hash_helper): Adjust.
5015 (find_param, count_params, parse_define, var_args_str,
5016 check_macro_redefinition, save_expansion): New.
5018 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
5019 parse_string, output_line_command, trigraph_replace,
5020 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
5021 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
5022 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
5023 _cpp_skip_rest_of_line): Modify.
5025 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
5026 find_position, null_warning, bump_column, expand_name_space,
5027 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
5028 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
5029 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
5030 _cpp_prescan): Delete.
5032 (dump_param_spelling, process_directive, lex_next,
5033 is_macro_disabled, stringify_arg, expand_context_stack,
5034 output_token, make_string_token, alloc_number_token,
5035 special_symbol, duplicate_token, maybe_paste_with_next,
5036 can_paste, prevent_macro_expansion, restore_macro_expansion,
5037 get_temp_token, release_temp_tokens, quote_string,
5038 token_names, token_spellings, _cpp_expand_name_space,
5039 _cpp_glue_header_name, _cpp_reserve_name_space,
5040 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
5041 placemarker_token, eof_token, cpp_context, macro_args,
5042 get_raw_token, parse_arg, parse_args, save_token,
5043 push_arg_context, push_macro_context, pop_context,
5044 do_pop_context, free_macro_args, _cpp_get_line,
5045 _cpp_run_directive): New.
5047 * cpplib.c (validate_else, parse_include, push_conditional,
5048 pass_thru_directive, read_line_number, parse_ifdef,
5049 detect_if_not_defined, _cpp_check_directive, do_define,
5050 do_undef, do_include, do_import, do_include_next, do_error,
5051 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
5052 top_pragmas, do_pragma_gcc, do_pragma_implementation,
5053 do_pragma_poison, do_pragma_system_header,
5054 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
5055 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
5056 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
5057 cpp_defined): Update for new scheme.
5058 (strtoul_for_line, get_define_node, dump_macro_name,
5059 _cpp_check_linemarker, _cpp_parse_assertion): New.
5060 (_cpp_handle_directive, do_pragma_default): Delete.
5062 * cpphash.h (struct predicate): Now struct answer.
5063 (enum spell_type, struct token_spelling, struct directive,
5064 directive_handler): New.
5065 Update prototypes. Remove unused macros.
5066 * cpplib.h: Update prototypes. Remove unused macros,
5067 structure definitions, and fields.
5069 * cpperror.c (print_containing_files, v_message): Adjust.
5070 * cppexp.c (parse_assertion, lex, parse_escape,
5071 _cpp_parse_expr): Adjust.
5072 * cppfiles.c (open_include_file, _cpp_execute_include,
5073 _cpp_compare_file_date, cpp_read_file, read_include_file):
5075 * cppinit.c (dump_special_to_buffer): Delete.
5076 (append_include_chain, merge_include_chains, cpp_reader_init,
5077 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
5078 cpp_finish, handle_option, print_help): Adjust.
5079 * cppmain.c (main): Adjust.
5081 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
5083 * cppspec.c (lang_specific_driver): Use double quotes in error
5086 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
5088 * calls.c (emit_library_call_value_1): Use valreg instead
5089 of hard_libcall_value.
5091 2000-07-03 Geoff Keating <geoffk@cygnus.com>
5093 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
5094 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
5095 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
5103 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
5104 mode instead of wider_mode is being used.
5106 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5108 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
5109 of 'r'. Use q_regs_operand.
5110 (andsi_1+2): Use q_regs_operand.
5112 2000-07-03 Jakub Jelinek <jakub@redhat.com>
5114 * builtins.c (get_memory_rtx): Always put into alias set 0.
5116 2000-07-03 Nick Clifton <nickc@cygnus.com>
5118 * config/arm/arm.md: Fix post increment and pre increment
5119 peepholes so that they do not generate UNPREDICATBLE opcodes.
5120 (ie ones where the increment clobbers the source/destination).
5122 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
5124 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
5125 change too big for -mtiny-stack" a warning, if larger than 63.
5126 (out_set_stack_ptr): Change the logic so -mno-interrupts is
5127 always safe to use on possible future devices.
5128 (function_prologue): Write SPH before SPL, for consistency.
5129 If interrupt_func_p true, we know we have enabled interrupts.
5130 (avr_num_arg_regs): New function. Round up to even number of
5131 bytes if no -mpack-args or if calling a libgcc function.
5132 (function_arg, function_arg_advance): Use it.
5133 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
5134 Output "movw" if available.
5135 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
5136 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
5137 (asm_output_section_name): Add blanks for consistent output.
5138 (encode_section_info): Set TREE_READONLY for progmem data to
5139 avoid gas warnings about changed section attributes.
5140 (avr_hard_regno_mode_ok): Force non-QImode data to start in
5141 even numbered registers on devices with "movw".
5142 * config/avr/avr.h (MASK_*): Define bits for target_flags.
5143 (TARGET_SWITCHES): Mark help strings for translation.
5144 Add new -mpack-args and -menhanced switches.
5145 (TARGET_OPTIONS): Mark help strings for translation.
5146 (progmem_section): Add section attributes.
5147 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
5148 Output "movw" if available.
5149 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
5151 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
5152 call convention (arguments aligned on even registers).
5153 (_cleanup, _exit): Make weak symbols libc can override.
5155 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5157 * fp-bit.h: New file.
5159 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
5160 Comment #endif statements.
5161 (__thenan_sf, __thenan_df): Add missing braces around initializer.
5163 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
5165 * gcse.c (compute_pre_data): Compute ae_kill using other local
5166 properties instead of calling compute_ae_kill.
5168 * alias.c (init_alias_analysis): Do not call
5169 prologue_epilogue_contains until after reload has completed.
5171 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
5173 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
5174 (genrtl_finish_compound_stmt): Likewise.
5175 (genrtl_compound_stmt): Change to return void.
5177 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
5178 move code from here to ...
5179 (genrtl_compound_stmt): ... here.
5180 (genrtl_finish_compound_stmt): Remove.
5181 (expand_stmt): Add comment.
5183 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
5185 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
5188 2000-07-02 Jakub Jelinek <jakub@redhat.com>
5190 * cpplib.h (struct cpp_reader): New field include_depth.
5191 (struct cpp_printer): Rename last_bsd to last_id.
5192 * cppfiles.c (read_include_file): Bump include_depth.
5193 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
5194 (output_line_command): Output correct #line if a header
5195 is including itself and is not protected against multiple inclusion.
5196 Use include_depth instead of buffer_stack_depth, last_id instead of
5198 * cppinit.c (cpp_start_read): Initialize last_id instead of
5201 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
5203 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
5204 (c-semantics.o): New target.
5206 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
5207 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
5208 (genrtl_clear_out_block): Likewise.
5209 (genrtl_goto_stmt): Likewise.
5210 (genrtl_expr_stmt): Likewise.
5211 (genrtl_decl_stmt): Likewise.
5212 (genrtl_if_stmt): Likewise.
5213 (genrtl_while_stmt): Likewise.
5214 (genrtl_do_stmt): Likewise.
5215 (genrtl_return_stmt): Likewise.
5216 (genrtl_for_stmt): Likewise.
5217 (genrtl_break_stmt): Likewise.
5218 (genrtl_continue_stmt): Likewise.
5219 (genrtl_scope_stmt): Likewise.
5220 (genrtl_switch_stmt): Likewise.
5221 (genrtl_case_label): Likewise.
5222 (genrtl_begin_compound_stmt): Likewise.
5223 (gerntl_finish_compound_stmt): Likewise.
5224 (genrtl_compound_stmt): Likewise.
5225 (genrtl_asm_stmt): Likewise.
5226 (genrtl_decl_cleanup): Likewise.
5227 (DECL_ANON_UNION_ELEMS): Likewise.
5228 (emit_local_var): Likewise.
5229 (make_rtl_for_local_static): Likewise.
5230 (expand_cond): Likewise.
5231 (expand_stmt): Likewise.
5232 (c_expand_return): Likewise.
5233 (c_expand_start_case): Likewise.
5234 (do_case): Likewise.
5235 (COMPOUND_STMT_NO_SCOPE): Likewise.
5236 (c_expand_asm_operands): Likewise.
5237 (NEW_FOR_SCOPE_P): New macro.
5238 (expand_expr_stmt_fn): New type.
5240 (set_current_function_name_declared): Likewise.
5241 (current_function_name_declared): Likewise.
5242 (lang_expand_stmt): Likewise.
5243 (stmts_are_full_exprs_p): Likewise.
5244 (anon_aggr_type_p): Likewise.
5245 (lang_expand_expr_stmt): Likewise.
5246 (build_case_label): Likewise.
5248 * c-decl.c (lang_expand_expr_stmt): Initialize.
5249 (stmts_are_full_exprs_p): Define.
5250 (current_function_name_declared): Likewise.
5251 (do_case): Likewise.
5252 (lang_expand_stmt): Likewise.
5253 (set_current_function_name_declared): Likewise.
5254 (anon_aggr_type_p): Likewise.
5256 * c-semantics.c: New file.
5257 (expand_cond): Moved from cp/semantics.c.
5258 (genrtl_do_pushlevel): Likewise.
5259 (genrtl_clear_out_block): Likewise.
5260 (genrtl_goto_stmt): Likewise.
5261 (genrtl_expr_stmt): Likewise.
5262 (genrtl_decl_stmt): Likewise.
5263 (genrtl_if_stmt): Likewise.
5264 (genrtl_while_stmt): Likewise.
5265 (genrtl_do_stmt): Likewise.
5266 (genrtl_return_stmt): Likewise.
5267 (genrtl_for_stmt): Likewise.
5268 (genrtl_break_stmt): Likewise.
5269 (genrtl_continue_stmt): Likewise.
5270 (genrtl_scope_stmt): Likewise.
5271 (genrtl_switch_stmt): Likewise.
5272 (genrtl_case_label): Likewise.
5273 (genrtl_begin_compound_stmt): Likewise.
5274 (genrtl_finish_compound_stmt): Likewise.
5275 (genrtl_compound_stmt): Likewise.
5276 (genrtl_asm_stmt): Likewise.
5277 (genrtl_decl_cleanup): Likewise.
5278 (make_rtl_for_local_static): Moved from cp/decl.c.
5279 (emit_local_var): Likewise.
5280 (expand_stmt): Define.
5282 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
5283 (c_expand_return): Likewise.
5284 (c_expand_start_case): Likewise.
5286 2000-07-01 Richard Henderson <rth@cygnus.com>
5288 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
5289 with the low 13 bits set.
5290 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
5291 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
5292 of the low 13 bits into a CONST plus an adddi3.
5293 (load_symptr): Set RTX_UNCHANGING_P.
5295 See ChangeLog.3 for earlier changes.