1 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
6 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * system.h (UNION_INIT_ZERO): New macro for initializing union
11 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
13 2000-07-07 Neil Booth <NeilB@earthling.net>
17 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
19 * final.c (final): Detect out of bounds array access to
20 the insn_lengths array.
22 2000-07-07 Kazu Hirata <kazu@hxi.com>
24 * fold-const.c (fold): Fix a comment typo.
26 2000-07-07 Neil Booth <NeilB@earthling.net>
28 * cpp.texi: Update to new lexer.
30 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
32 * tradcpp.c: New file.
33 * tradcif.y: New file.
34 * tradcif.c: New generated file.
36 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
37 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
38 dependencies of C. Install tradcpp from install-common, in
41 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
43 * cppinit.c: Include cppdefault.h. Refer to
44 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
45 to GCC_INCLUDE_DIR and its length.
46 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
47 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
48 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
50 (include_defaults_array): Move to cppdefault.c.
52 * cppdefault.h: New file.
53 * cppdefault.c: New file.
55 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
56 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
57 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
60 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
62 * reload.c (push_reload): When seeing if can reuse a register,
63 check extra registers against widest of INMODE and OUTMODE.
65 2000-07-06 Neil Booth <NeilB@earthling.net>
67 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
68 based on full length of predicate.
70 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
72 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
73 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
75 2000-07-05 Kazu Hirata <kazu@hxi.com>
77 * h8300-proto.h: Fix formatting.
81 2000-07-05 Jim Wilson <wilson@cygnus.com>
83 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
86 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
88 * invoke.texi: Fix minor typos
89 * md.texi: Fix minor typos
91 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
93 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
95 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
97 * cpplex.c: Don't include sys/mman.h.
98 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
100 * cpplib.c: Include sys/mman.h and obstack.h.
101 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
103 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
104 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
105 bother freeing if stack entries (they will be freed with their buffer).
106 (do_endif): Free if stack entries from the buffer obstack.
107 (push_conditional): Allocate if stack entries from the buffer obstack.
109 (find_answer): Rename to _cpp_find_answer.
110 (do_assert, do_unassert): Update.
112 * cpphash.h: Update prototypes.
113 (xobnew): New convenience macro.
114 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
116 (struct cpp_hashnode): Remove disabled field.
118 * cppinit.c: Don't include hashtab.h or splay-tree.h.
119 (report_missing_guard): Moved to cppfiles.c.
120 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
122 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
123 cpp_cleanup_includes. Don't destroy hashtab or
124 all_include_files here.
125 (cpp_finish): Use _cpp_report_missing_guards.
127 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
128 (_cpp_init_include_table): Rename _cpp_init_includes.
129 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
131 * cppexp.c (parse_assertion): Update for new name of
134 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
136 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
138 * cpplib.c (do_ident): s/VSPACE/EOF/
140 2000-07-05 Neil Booth <NeilB@earthling.net>
142 * cpplex.c: Fix trigraph replacement within strings.
144 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
146 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
148 * xcoffout.c (assign_type_number): Constify.
149 (xcoffout_source_file): Add static prototype. Don't needlessly
150 cast away const-ness.
152 2000-07-04 Jason Merrill <jason@redhat.com>
154 * frame.h (frame_state): Move base_offset to end.
156 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
158 * calls.c (emit_library_call_value_1): Revert previous change.
160 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
162 * fix-header.c (struct partial_proto): Remove unnecessary fields.
163 (recognized_extern, recognized_function, read_scan_file):
164 Update for new scheme.
165 (check_protection): It's still a multiple include guard even
166 if it doesn't always trigger.
167 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
169 * scan.h: Declare struct cpp_token. Update prototypes.
171 2000-07-03 Neil Booth <neilb@earthling.net>
172 Zack Weinberg <zack@wolery.cumb.org>
174 Complete overhaul of the lexer and macro expander.
176 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
177 arg, arglist, argdata, reflist, collect_objlike_expansion,
178 collect_funlike_expansion, collect_params,
179 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
180 unsafe_chars, macarg, compare_defs, special_symbol,
181 scan_arguments, stringify, funlike_macroexpand,
182 _cpp_quote_string, monthnames): Delete.
183 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
184 _cpp_create_definition, _cpp_dump_definition,
185 dump_hash_helper): Adjust.
186 (find_param, count_params, parse_define, var_args_str,
187 check_macro_redefinition, save_expansion): New.
189 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
190 parse_string, output_line_command, trigraph_replace,
191 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
192 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
193 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
194 _cpp_skip_rest_of_line): Modify.
196 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
197 find_position, null_warning, bump_column, expand_name_space,
198 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
199 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
200 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
201 _cpp_prescan): Delete.
203 (dump_param_spelling, process_directive, lex_next,
204 is_macro_disabled, stringify_arg, expand_context_stack,
205 output_token, make_string_token, alloc_number_token,
206 special_symbol, duplicate_token, maybe_paste_with_next,
207 can_paste, prevent_macro_expansion, restore_macro_expansion,
208 get_temp_token, release_temp_tokens, quote_string,
209 token_names, token_spellings, _cpp_expand_name_space,
210 _cpp_glue_header_name, _cpp_reserve_name_space,
211 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
212 placemarker_token, eof_token, cpp_context, macro_args,
213 get_raw_token, parse_arg, parse_args, save_token,
214 push_arg_context, push_macro_context, pop_context,
215 do_pop_context, free_macro_args, _cpp_get_line,
216 _cpp_run_directive): New.
218 * cpplib.c (validate_else, parse_include, push_conditional,
219 pass_thru_directive, read_line_number, parse_ifdef,
220 detect_if_not_defined, _cpp_check_directive, do_define,
221 do_undef, do_include, do_import, do_include_next, do_error,
222 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
223 top_pragmas, do_pragma_gcc, do_pragma_implementation,
224 do_pragma_poison, do_pragma_system_header,
225 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
226 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
227 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
228 cpp_defined): Update for new scheme.
229 (strtoul_for_line, get_define_node, dump_macro_name,
230 _cpp_check_linemarker, _cpp_parse_assertion): New.
231 (_cpp_handle_directive, do_pragma_default): Delete.
233 * cpphash.h (struct predicate): Now struct answer.
234 (enum spell_type, struct token_spelling, struct directive,
235 directive_handler): New.
236 Update prototypes. Remove unused macros.
237 * cpplib.h: Update prototypes. Remove unused macros,
238 structure definitions, and fields.
240 * cpperror.c (print_containing_files, v_message): Adjust.
241 * cppexp.c (parse_assertion, lex, parse_escape,
242 _cpp_parse_expr): Adjust.
243 * cppfiles.c (open_include_file, _cpp_execute_include,
244 _cpp_compare_file_date, cpp_read_file, read_include_file):
246 * cppinit.c (dump_special_to_buffer): Delete.
247 (append_include_chain, merge_include_chains, cpp_reader_init,
248 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
249 cpp_finish, handle_option, print_help): Adjust.
250 * cppmain.c (main): Adjust.
252 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
254 * cppspec.c (lang_specific_driver): Use double quotes in error
257 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
259 * calls.c (emit_library_call_value_1): Use valreg instead
260 of hard_libcall_value.
262 2000-07-03 Geoff Keating <geoffk@cygnus.com>
264 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
265 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
266 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
274 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
275 mode instead of wider_mode is being used.
277 2000-07-03 Jakub Jelinek <jakub@redhat.com>
279 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
280 of 'r'. Use q_regs_operand.
281 (andsi_1+2): Use q_regs_operand.
283 2000-07-03 Jakub Jelinek <jakub@redhat.com>
285 * builtins.c (get_memory_rtx): Always put into alias set 0.
287 2000-07-03 Nick Clifton <nickc@cygnus.com>
289 * config/arm/arm.md: Fix post increment and pre increment
290 peepholes so that they do not generate UNPREDICATBLE opcodes.
291 (ie ones where the increment clobbers the source/destination).
293 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
295 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
296 change too big for -mtiny-stack" a warning, if larger than 63.
297 (out_set_stack_ptr): Change the logic so -mno-interrupts is
298 always safe to use on possible future devices.
299 (function_prologue): Write SPH before SPL, for consistency.
300 If interrupt_func_p true, we know we have enabled interrupts.
301 (avr_num_arg_regs): New function. Round up to even number of
302 bytes if no -mpack-args or if calling a libgcc function.
303 (function_arg, function_arg_advance): Use it.
304 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
305 Output "movw" if available.
306 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
307 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
308 (asm_output_section_name): Add blanks for consistent output.
309 (encode_section_info): Set TREE_READONLY for progmem data to
310 avoid gas warnings about changed section attributes.
311 (avr_hard_regno_mode_ok): Force non-QImode data to start in
312 even numbered registers on devices with "movw".
313 * config/avr/avr.h (MASK_*): Define bits for target_flags.
314 (TARGET_SWITCHES): Mark help strings for translation.
315 Add new -mpack-args and -menhanced switches.
316 (TARGET_OPTIONS): Mark help strings for translation.
317 (progmem_section): Add section attributes.
318 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
319 Output "movw" if available.
320 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
322 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
323 call convention (arguments aligned on even registers).
324 (_cleanup, _exit): Make weak symbols libc can override.
326 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * fp-bit.h: New file.
330 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
331 Comment #endif statements.
332 (__thenan_sf, __thenan_df): Add missing braces around initializer.
334 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
336 * gcse.c (compute_pre_data): Compute ae_kill using other local
337 properties instead of calling compute_ae_kill.
339 * alias.c (init_alias_analysis): Do not call
340 prologue_epilogue_contains until after reload has completed.
342 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
344 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
345 (genrtl_finish_compound_stmt): Likewise.
346 (genrtl_compound_stmt): Change to return void.
348 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
349 move code from here to ...
350 (genrtl_compound_stmt): ... here.
351 (genrtl_finish_compound_stmt): Remove.
352 (expand_stmt): Add comment.
354 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
356 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
359 2000-07-02 Jakub Jelinek <jakub@redhat.com>
361 * cpplib.h (struct cpp_reader): New field include_depth.
362 (struct cpp_printer): Rename last_bsd to last_id.
363 * cppfiles.c (read_include_file): Bump include_depth.
364 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
365 (output_line_command): Output correct #line if a header
366 is including itself and is not protected against multiple inclusion.
367 Use include_depth instead of buffer_stack_depth, last_id instead of
369 * cppinit.c (cpp_start_read): Initialize last_id instead of
372 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
374 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
375 (c-semantics.o): New target.
377 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
378 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
379 (genrtl_clear_out_block): Likewise.
380 (genrtl_goto_stmt): Likewise.
381 (genrtl_expr_stmt): Likewise.
382 (genrtl_decl_stmt): Likewise.
383 (genrtl_if_stmt): Likewise.
384 (genrtl_while_stmt): Likewise.
385 (genrtl_do_stmt): Likewise.
386 (genrtl_return_stmt): Likewise.
387 (genrtl_for_stmt): Likewise.
388 (genrtl_break_stmt): Likewise.
389 (genrtl_continue_stmt): Likewise.
390 (genrtl_scope_stmt): Likewise.
391 (genrtl_switch_stmt): Likewise.
392 (genrtl_case_label): Likewise.
393 (genrtl_begin_compound_stmt): Likewise.
394 (gerntl_finish_compound_stmt): Likewise.
395 (genrtl_compound_stmt): Likewise.
396 (genrtl_asm_stmt): Likewise.
397 (genrtl_decl_cleanup): Likewise.
398 (DECL_ANON_UNION_ELEMS): Likewise.
399 (emit_local_var): Likewise.
400 (make_rtl_for_local_static): Likewise.
401 (expand_cond): Likewise.
402 (expand_stmt): Likewise.
403 (c_expand_return): Likewise.
404 (c_expand_start_case): Likewise.
406 (COMPOUND_STMT_NO_SCOPE): Likewise.
407 (c_expand_asm_operands): Likewise.
408 (NEW_FOR_SCOPE_P): New macro.
409 (expand_expr_stmt_fn): New type.
411 (set_current_function_name_declared): Likewise.
412 (current_function_name_declared): Likewise.
413 (lang_expand_stmt): Likewise.
414 (stmts_are_full_exprs_p): Likewise.
415 (anon_aggr_type_p): Likewise.
416 (lang_expand_expr_stmt): Likewise.
417 (build_case_label): Likewise.
419 * c-decl.c (lang_expand_expr_stmt): Initialize.
420 (stmts_are_full_exprs_p): Define.
421 (current_function_name_declared): Likewise.
423 (lang_expand_stmt): Likewise.
424 (set_current_function_name_declared): Likewise.
425 (anon_aggr_type_p): Likewise.
427 * c-semantics.c: New file.
428 (expand_cond): Moved from cp/semantics.c.
429 (genrtl_do_pushlevel): Likewise.
430 (genrtl_clear_out_block): Likewise.
431 (genrtl_goto_stmt): Likewise.
432 (genrtl_expr_stmt): Likewise.
433 (genrtl_decl_stmt): Likewise.
434 (genrtl_if_stmt): Likewise.
435 (genrtl_while_stmt): Likewise.
436 (genrtl_do_stmt): Likewise.
437 (genrtl_return_stmt): Likewise.
438 (genrtl_for_stmt): Likewise.
439 (genrtl_break_stmt): Likewise.
440 (genrtl_continue_stmt): Likewise.
441 (genrtl_scope_stmt): Likewise.
442 (genrtl_switch_stmt): Likewise.
443 (genrtl_case_label): Likewise.
444 (genrtl_begin_compound_stmt): Likewise.
445 (genrtl_finish_compound_stmt): Likewise.
446 (genrtl_compound_stmt): Likewise.
447 (genrtl_asm_stmt): Likewise.
448 (genrtl_decl_cleanup): Likewise.
449 (make_rtl_for_local_static): Moved from cp/decl.c.
450 (emit_local_var): Likewise.
451 (expand_stmt): Define.
453 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
454 (c_expand_return): Likewise.
455 (c_expand_start_case): Likewise.
457 2000-07-01 Richard Henderson <rth@cygnus.com>
459 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
460 with the low 13 bits set.
461 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
462 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
463 of the low 13 bits into a CONST plus an adddi3.
464 (load_symptr): Set RTX_UNCHANGING_P.
466 2000-06-30 Mark Mitchell <mark@codesourcery.com>
468 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
469 * c-common.c (ridpointers): Declare.
470 * c-common.h (enum rid): Declare.
472 (ridpointers): Likewise.
473 * c-lex.c (ridpointers): Don't declare.
474 (init_lex): Initialize ridpointers.
475 * c-lex.h (enum rid): Don't declare.
477 (RID_FIRST_MODIFIER): Likewise.
478 (ridpointers): Likewise.
480 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
482 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
485 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
487 * invoke.texi (-Wreturn-type): In C++, a missing return type is
490 2000-06-30 Catherine Moore <clm@cygnus.com>
492 * c-common.c (decl_attributes): Differentiate between
493 types and type decls for alignment.
495 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
497 * cpp.texi: Document #pragma GCC dependency
498 * cppfiles.c (open_include_file): Set date to unknown.
499 (_cpp_compare_file_date): New function.
500 (read_include_file): Set file date.
501 * cpphash.h (struct include_file): Add date member.
502 (_cpp_compare_file_date): Prototype.
503 * cpplib.c (parse_include): Add trail parameter. Adjust.
504 (do_include): Adjust parse_include call.
505 (do_import): Likewise.
506 (do_include_next): Likewise.
507 (gcc_pragmas): Add dependency pragma.
508 (do_pragma_dependancy): New pragma.
510 2000-06-29 Jason Merrill <jason@redhat.com>
512 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
515 2000-06-29 Jim Wilson <wilson@cygnus.com>
517 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
518 a volatile mem and FR_REGS.
520 2000-06-29 Mark Mitchell <mark@codesourcery.com>
522 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
523 * c-common.h (flag_const_strings): Declare.
524 (warn_format): Likewise.
525 (flag_traditional): Likewise.
526 (flag_isoc99): Likewise.
527 (warn_parentheses): Likewise.
528 (warn_conversion): Likewise.
529 (C_TYPE_OBJECT_P): Likewise.
530 (C_TYPE_INCOMPLETE_P): Likewise.
531 (C_TYPE_FUNCTION_P): Likewise.
532 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
533 (C_EXP_ORIGINAL_CODE): Likewise.
534 (build_unary_op): Likewise.
535 (build_binary_op): Likewise.
536 (lvalue_p): Likewise.
537 (default_conversion): Likewise.
538 (common_type): Likewise.
539 * c-tree.h (C_TYPE_OBJECT_P): Remove.
540 (C_TYPE_INCOMPLETE_P): Likewise.
541 (C_TYPE_FUNCTION_P): Likewise.
542 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
543 (C_EXP_ORIGINAL_CODE): Likewise.
544 (common_type): Likewise.
545 (default_conversion): Likewise.
546 (build_binary_op): Likewise.
547 (build_unary_op): Likewise.
548 (lvalue_p): Likewise.
549 (flag_const_strings): Likewise.
550 (warn_format): Likewise.
551 (warn_conversion): Likewise.
552 (flag_traditional): Likewise.
553 (flag_isoc99): Likewise.
554 (warn_parentheses): Likewise.
556 2000-06-29 James E. Wilson <wilson@cygnus.com>
558 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
560 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
561 same. Only tie XFmode with XFmode.
563 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
565 * c-decl.c, timevar.c, tlink.c: Include intl.h.
566 * Makefile.in: Update deps.
568 2000-06-29 Andrew Haley <aph@cygnus.com>
570 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
573 2000-06-29 Andrew Haley <aph@cygnus.com>
575 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
576 bytes: remove the multiply by 8.
578 2000-06-29 Philipp Thomas <pthomas@suse.de>
580 * rtl.c : Revert NLS changes.
581 * gcc.c : Fix bug in display_help introced by my last changes.
583 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
585 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
586 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
588 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
590 * flow.c (flow_depth_first_order_compute): Fix algorithm.
592 2000-06-28 Philipp Thomas <pthomas@suse.de>
594 * c-decl.c : Mark strings for translation.
595 (parmlist_tags_warning): Use distinct messages instead
596 of conditional expressions.
597 * diagnostic.c (v_message_with_decl): Mark string for translation.
598 * gcc.c: Mark messages for translation.
599 (display_help): Combine messages into one string where necessary.
600 * mips-tfile: Add intl.h. Mark messages for translation.
601 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
602 messages for translation.
603 * timevar.c: Mark messages for translation.
605 * toplev.c: Likewise.
607 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
609 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
611 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
612 use -isystem instead of -idirafter.
613 * i386/i386-interix.h: Likewise.
615 2000-06-28 Jason Merrill <jason@redhat.com>
617 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
618 unless DWARF2_DEBUGGING_INFO is defined.
619 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
621 2000-06-28 Richard Henderson <rth@cygnus.com>
623 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
625 2000-06-28 Jakub Jelinek <jakub@redhat.com>
627 * cpplex.c (output_line_command): Output correct #line if a header
628 is including itself and is not protected against multiple inclusion.
630 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
632 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
633 ENFILE, close all cached file descriptors and try again.
634 (_cpp_execute_include): Keep a count of the number of times
635 each header is included.
636 (close_cached_fd): New function.
637 * cpphash.h (struct include_file): Rename before to
638 include_count; all users updated. Make include_count and sysp
640 * cppinit.c (cpp_finish): If -H, report headers that could use
642 (report_missing_guard): New function.
644 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
646 * i386.md (prologue_set_got): Set length_immediate field.
647 (testqi_ccno_1): Add missing '@' character.
649 2000-06-27 Jason Merrill <jason@redhat.com>
651 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
654 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
656 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
657 unsigned macros available.
659 2000-06-27 Richard Henderson <rth@cygnus.com>
661 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
662 epilogue_deallocate_stack.
664 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
665 completers for UNORDERED and ORDERED as well.
666 * config/ia64/ia64.md (bunordered, bordered): New.
667 (sunordered, sordered): New.
669 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
671 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
672 * i386.c (ix86_attr_length_default): Kill.
673 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
675 * i386-protos.h (ix86_attr_length_default): Kill
676 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
678 * i386.md (attribute type): Add "test".
679 (attribute length_prefix): Kill.
680 (attribute length_opcode): Kill.
681 (attribute i387, mode, length_immediate, length_address, prefix_data16,
682 prefix_rep, prefix_0f, modrm): New.
683 (attribute length): Compute using the new attributes.
684 (attribute pent_prefix): New.
685 (attribute pent_pair): Compute using pent_prefix.
686 (all insn patterns): Set mode,modrm and immediate_length attributes where
688 (cmpsi patterns): Compute sizes propertly for test instruction.
689 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
690 (movstricthi_xor, movstrictqi_xor): New patterns.
691 (andsi/andhi): Use splitters to generate xor instructions.
692 (xorqi_ext_1): New pattern.
693 (movstricthi->movstricthi_xor peep2): New.
695 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
697 * i386.md (addqi_low_1): Remove.
699 2000-06-27 Philipp Thomas <pthomas@suse.de>
701 * 1750a.h: Mark help strings for options/switches for translation.
706 * riscix.h: Likewise.
708 * clipper.h: Likewise.
709 * convex.h: Likewise.
715 * cygwin.h: Likewise.
719 * osf1elf.h: Likewise.
720 * osfrose.h: Likewise.
724 * paragon.h: Likewise.
730 * mn10300.h: Likewise.
738 * rs6000.h: Likewise.
741 * linux64.h: Likewise.
742 * sp64-elf.h: Likewise.
746 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
748 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
749 Properly document option and mark for translation.
750 * sp86x-elf.h: Likewise.
752 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
754 Add MMX and SSE registers to i386 machine description.
755 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
756 ix86_local_alignment): Declare.
758 * i386.h (TARGET_MMX, TARGET_SSE): New.
759 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
760 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
761 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
762 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
763 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
764 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
765 (RETURN_IN_MEMORY): Handle MMX/SSE.
766 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
767 also get stack space.
768 (MUST_PASS_IN_STACK): Added TImode to the default definition.
769 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
770 (MMX_REGISTER_NAMES): New.
771 (ALIGN_MODE_128): New macro.
772 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
773 (DATA_ALIGNMENT): Likewise.
774 (LOCAL_ALIGNMENT): Likewise.
775 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
776 TARGET_MMX/TARGET_SSE.
777 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
778 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
779 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
780 SSE/MMX regs and something else.
781 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
782 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
783 3 if moving between MMX regs and something else.
785 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
786 (regclass_map): Add MMX/SSE registers.
787 (print_operand): Add code to print XMMWORD as appropriate.
788 (ix86_split_movdi): Abort for MMX regs.
789 (init_cumulative_args): Also allow SSE_REGS
790 (function_arg_advance, function_arg): Likewise
791 (print_reg): Support 'm'. Add case for TImode.
792 (override_options): TARGET_SSE implies TARGET_MMX.
793 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
796 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
798 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
800 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
801 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
803 2000-06-26 Geoff Keating <geoffk@cygnus.com>
805 * ssa.c (struct rename_set_data): Change the name of field
806 'set_dest' to 'old_reg'. Add comments.
807 (struct rename_context): Change the name of 'set_data' to
808 'new_renames'. Add new field 'done_renames'.
809 (create_delayed_rename): New function.
810 (apply_delayed_renames): New function.
811 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
812 SUBREGs and similar by emitting a move.
813 (new_registers_for_updates): Delete, functionality moved to
814 apply_delayed_renames.
815 (rename_block): Handle moves emitted by rename_insn_1 by putting
816 them into a SEQUENCE with the original insn. Add sanity checks
818 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
819 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
821 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
822 Jason Merrill <jason@redhat.com>
824 * dwarf2.h (enum dwarf_call_frame_info): Add
825 DW_CFA_def_cfa_expression.
826 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
827 dw_loc_descr_struct entry.
828 (struct cfa_loc): New structure to track a CFA location.
829 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
830 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
831 offset, plus handle DW_CFA_def_cfa_expression.
832 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
834 (dwarf2out_def_cfa): Entry point maintained for compatability.
835 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
836 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
837 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
838 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
840 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
841 sequences for the new DW_CFA_def_cfa_expression record.
842 (dwarf2out_frame_debug): Use new variables/fields.A
843 (output_cfi): Handle DW_CFA_def_cfa_expression.
844 (output_cfa_loc): New function to generate a CFI record for
845 DW_CFA_def_cfa_expression.
846 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
847 a dw_loc_descr sequeunce.
848 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
849 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
850 size_of_locs, output_loc_operands, output_loc_sequence): Move into
852 * frame.h (frame_state): Add base_offset and indirect fields.
853 * frame-dwarf2.c (decode_stack_op): New function to interpret a
854 dw_loc_descr operation.
855 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
856 (struct frame_state): Add base offset and indirect fields.
857 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
859 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
861 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
862 Make warnings about implicit int be pedwarns in C99. Don't warn
863 about duplicate type qualifiers in C99.
864 (start_function): Make warning about implict int return type be a
866 * c-lex.c (yylex): Don't warn about `long long' in C99.
867 * c-typeck.c (c_expand_return): In C99, always pedwarn about
868 `return' with no value in function returning non-void.
870 2000-06-26 Richard Henderson <rth@cygnus.com>
872 * c-typeck.c (pedwarn_c99): New.
873 * diagnostic.c (verror, vwarning, vpedwarn): Export.
874 * toplev.h: Prototype them.
876 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
878 * c-typeck.c (digest_init): Return error_mark_node node when
879 TREE_TYPE (init) == error_mark_node.
881 2000-06-26 Philipp Thomas <pthomas@suse.de>
883 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
884 test for msgfmt without path instead.
885 * configure: Rebuilt.
887 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
889 * gengenrtl.c (special_rtx): Fix typo in comment.
891 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
893 * mklibgcc.in (LIB2FUNCS): Add missing space.
895 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
897 * tree.h (enum tree_index): Add vector type nodes.
898 Add accessor macros for them.
899 (TYPE_REPRESENATION_TYPE): New macro.
900 * tree.c (build_common_tree_nodes_2): Build these nodes.
901 (finish_vector_type): New function.
902 * c-common.c (type_for_mode): Handle vector modes.
903 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
905 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
906 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
907 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
908 (gen_type_die): Likewise.
909 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
910 (fundamental_type_code): Likewise.
911 (type_is_fundamental): VECTOR_TYPEs aren't.
912 (output_type): Handle VECTOR_TYPEs.
914 2000-06-25 Kazu Hirata <kazu@hxi.com>
916 * config/arm.c: Fix a comment typo.
917 * config/arm.h: Likewise.
919 2000-06-25 Philipp Thomas <pthomas@suse.de>
921 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
923 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
924 * configure: Rebuilt.
926 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
928 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
930 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
932 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
935 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
937 * collect2.c (resolve_lib_name): Move '/' check out of loop.
939 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
941 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
943 2000-06-24 Jakub Jelinek <jakub@redhat.com>
945 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
946 last_unconditional_cleanup.
948 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
950 * tree.def (VECTOR_TYPE): New node type.
951 * tree.h: Adjust some comments to reflect addition of vector types.
952 (TYPE_VECTOR_SUBPARTS): New macro.
953 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
954 * c-convert.c (convert): Likewise.
955 * convert.c (convert_to_integer): Handle vector modes.
956 (convert_to_vector): New function.
957 * convert.h (convert_to_vector): Declare.
958 * expr.c (convert_move): Handle vector modes.
959 * expmed.c (extract_bit_field): Don't abort for vector modes.
961 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
963 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
964 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
965 New functions, common code moved from function_{prologue,epilogue}
966 and extended to support the -mtiny-stack option.
967 (function_prologue, function_epilogue): Use them.
968 Use lo8/hi8 consistently for asm output readability.
969 (avr_hard_regno_mode_ok): New function.
970 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
971 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
972 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
973 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
974 Write SPH before SPL.
975 (*movqi): No need to disable interrupts for just one "out"
976 in alternative 5. Change length attribute from 4 to 1.
977 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
978 Write SPH before SPL.
980 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
982 * rtl.texi (Vector Operations): New node.
983 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
984 (Conversions): Add ss_truncate, us_truncate.
985 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
986 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
987 US_TRUNCATE): New rtx codes.
988 * machmode.def: Add vector modes.
989 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
991 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
992 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
993 (VECTOR_MODE_P): New.
995 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
997 * cpp.texi: Clarify #pragma GCC namespace.
999 2000-06-24 Philipp Thomas <pthomas@suse.de>
1001 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1002 all catalogs specified in ALL_LINGUAS.
1003 * configure: Rebuilt.
1005 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1007 * config/sparc/sparc.md (reload_outdi+1): Handle
1008 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1009 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1011 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1013 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1014 struct vs. scalar-ness when -fno-strict-aliasing.
1016 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1018 * cpplib.c (struct pragma_entry): New structure.
1019 (pragma_dispatch): Pragma dispatcher.
1020 (top_pragmas, gcc_pragmas): New static variables.
1021 (do_pragma): Use pragma_dispatch.
1022 (do_pragma_gcc): New pragma handler.
1025 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1027 * calls.c (compute_argument_addresses): Force stack slots into
1029 * expr.c (emit_push_insn): Force pushes into alias set 0.
1031 2000-06-23 Richard Henderson <rth@cygnus.com>
1033 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1034 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1036 2000-06-22 Jason Merrill <jason@redhat.com>
1038 * toplev.c (compile_file): Always call timevar_print.
1039 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1041 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1043 * varasm.c (constant_descriptor): Make contents unsigned char.
1044 (mark_const_hash_entry): Adjust.
1045 (const_hash): Just hash the code of unknown nodes.
1046 (compare_constant_1): Adjust for unsigned char.
1047 Use language specific expander on unknown nodes.
1048 (record_constant_1): Likewise.
1050 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1052 * cppfiles.c (cpp_make_system_header): New function.
1053 * cpplib.h: Prototype it.
1054 * cpplib.c (do_line, do_pragma_system_header): Use it.
1055 * fix-header.c (read_scan_file): Use it.
1057 * fix-header.c (check_macro_names): Cast second arg of
1058 cpp_defined to const unsigned char *.
1059 (read_scan_file): Make getchar_call const unsigned char.
1061 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1063 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1064 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1065 (destroy_include_file_node): New.
1066 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1067 Create a splay tree, not a hash table.
1068 (open_include_file): Look up the path in the include table,
1069 do the multiple include optimization here, etc.
1070 (cpp_included): Walk the path.
1071 (find_include_file): Just walk the path calling
1072 open_include_file, or call it directly for an absolute path.
1073 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1075 (read_include_file): Update for new scheme. Don't close the
1076 file unless reading fails.
1077 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1079 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1080 (struct include_file): New.
1081 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1083 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1086 * cppinit.c: Include splay-tree.h.
1087 (cpp_reader_init, cpp_cleanup): Update.
1089 * cpplib.h (struct cpp_buffer): Change ihash field to
1090 'struct include_file *inc'. Remove system_header_p.
1091 (struct cpp_reader): Change all_include_files to a
1092 struct splay_tree_s *.
1094 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1095 cpp_buffer->system_header_p.
1096 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1098 * Makefile.in (SPLAY_TREE_H): New macro.
1099 (cppfiles.o, cppinit.o): Update dependencies.
1101 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1103 * invoke.texi (g++): "g++" is not a script anymore.
1105 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1107 * function.c (round_down): Delete obsolete prototype.
1109 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1111 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1113 * configure.in: Use 'test a = b' not 'test a == b'.
1116 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1118 * Makefile.in: Remove all references to HOST_INTLLIBS.
1120 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1123 2000-06-20 Philipp Thomas <pthomas@suse.de>
1125 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1128 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1130 * Take REG_INC notes into account.
1132 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1134 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1135 (primary: IDENTIFIER): Just call build_external_ref.
1136 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1138 * c-lex.c (lastiddecl): Remove.
1139 (yylex): Replace all instances of lastiddecl with local
1142 * c-typeck.c (build_external_ref): New function. Treat decls
1143 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1144 Look up the decl from the id here. Call lookup_objc_ivar.
1145 * c-lang.c (lookup_objc_ivar): Stub.
1146 * objc/objc-act.c (lookup_objc_ivar): New function.
1148 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1149 * c-lex.h: Don't declare lastiddecl.
1151 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1153 * c-common.h (IF_COND): Added documentation.
1154 (THEN_CLAUSE): Likewise.
1155 (ELSE_CLAUSE): Likewise.
1156 (WHILE_COND): Likewise.
1157 (WHILE_BODY): Likewise.
1158 (DO_COND): Likewise.
1159 (DO_BODY): Likewise.
1160 (RETURN_EXPR): Likewise.
1161 (EXPR_STMT_EXPR): Likewise.
1162 (FOR_INIT_STMT): Likewise.
1163 (FOR_COND): Likewise.
1164 (FOR_EXPR): Likewise.
1165 (FOR_BODY): Likewise.
1166 (SWITCH_COND): Likewise.
1167 (SWITCH_BODY): Likewise.
1168 (CASE_LOW): Likewise.
1169 (CASE_HIGH): Likewise.
1170 (GOTO_DESTINATION): Likewise.
1171 (COMPOUND_BODY): Likewise.
1172 (ASM_CV_QUAL): Likewise.
1173 (ASM_STRING): Likewise.
1174 (ASM_OUTPUTS): Likewise.
1175 (ASM_INPUTS): Likewise.
1176 (ASM_CLOBBERS): Likewise.
1177 (DECL_STMT_DECL): Likewise.
1178 (STMT_EXPR_STMT): Likewise.
1179 (LABEL_STMT_LABEL): Likewise.
1181 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
1182 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
1183 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
1184 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1186 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1188 * configure.in (--enable-checking): Update --help doc to reflect
1189 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
1191 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1193 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
1195 * function.c (put_var_into_stack): Don't reference DECL_ fields
1196 if input is a SAVE_EXPR.
1197 Use set_mem_attributes in COMPLEX case.
1199 2000-06-18 Richard Henderson <rth@cygnus.com>
1201 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
1202 (ia64_file_start): Declare.
1203 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
1204 (GR_REGNO_P): Likewise.
1205 * config/ia64/ia64.c: Many prototypes.
1206 (ia64_reg_numbers): Constify.
1207 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
1208 (ia64_section_threshold): Make unsigned.
1209 (ia64_print_operand): Constify.
1210 (fix_range): Constify.
1211 (ia64_init_builtins): Don't compare signed vs unsigned.
1212 (ia64_expand_builtin): Likewise.
1214 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
1215 (CONSTRAINT_OK_FOR_Q): New.
1216 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
1217 (movsf_internal, movdf_internal): Likewise.
1218 (cmovdi_internal): Rewrite so that constraints and predicates match;
1220 (cmovsi_internal): Likewise.
1222 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
1223 (ASM_FILE_START): New.
1224 * config/ia64/ia64.c (ia64_file_start): New.
1225 (rtx_needs_barrier): Handle pred.rel.mutex.
1226 (emit_predicate_relation_info): New.
1227 * config/ia64/ia64.md (pred_rel_mutex): New.
1228 * config/ia64/linux.h (ASM_SPEC): Define.
1229 * config/ia64/sysv4.h (ASM_FILE_START): Define.
1231 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
1232 filtering global register variables.
1234 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1236 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
1238 2000-06-17 Michael Meissner <meissner@redhat.com>
1240 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
1241 not present and there is a field after a '-'.
1243 2000-06-17 Bruce Korb <bkorb@gnu.org>
1245 * fixinc/check.tpl: finish the implementation of multiple tests
1247 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
1248 (io_quotes_def): add a second test
1249 (various): reorder `files' so that "limits.h" is never first
1250 * fixinc/tests/base/*: update the testing output
1252 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1254 * gcc.texi: Remove reference to stupid.c.
1256 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
1258 * c-common.c (c_tree_code_type): New array.
1259 (c_tree_code_length): Likewise.
1260 (c_tree_code_name): Likewise.
1261 (add_c_tree_codes): New function.
1263 * c-common.h (add_c_tree_codes): Declare.
1264 (enum c_tree_code): New enum.
1266 * c-lex.c (init_parse): Added call to add_c_tree_codes.
1268 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1270 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
1271 select pattern to also match macro defs with only one argument.
1273 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
1275 * i386.md: Create new [right,left] rotate and right shift
1276 patterns to optimize shift by 1 bit for certain ia32 processors.
1277 Update patterns which perform left shifts to optimize shift by
1278 1 bit for certain ia32 processors.
1279 * i386.c (const_int_1_operand): New predicate.
1280 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
1281 * i386-protos.h (const_int_1_operand): Prototype.
1283 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1285 * mips.c (machine_dependent_reorg): Fix braces for nested if.
1287 2000-06-14 Geoff Keating <geoffk@cygnus.com>
1289 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
1292 2000-06-14 Richard Henderson <rth@cygnus.com>
1294 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
1296 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
1299 * print-rtl.c (print_rtx): Emit space before mem alias set.
1301 2000-06-14 David Edelsohn <edelsohn@gnu.org>
1303 * rs6000.c (expand_block_move): Fix typo in earlier change.
1304 (print_operand): Remove unused variables neg and op.
1305 (toc_hash_mark_entry): Fix prototype.
1307 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
1309 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
1310 (THEN_CLAUSE): Likewise.
1311 (ELSE_CLAUSE): Likewise.
1312 (WHILE_COND): Likewise.
1313 (WHILE_BODY): Likewise.
1314 (DO_COND): Likewise.
1315 (DO_BODY): Likewise.
1316 (RETURN_EXPR): Likewise.
1317 (EXPR_STMT_EXPR): Likewise.
1318 (FOR_INIT_STMT): Likewise.
1319 (FOR_COND): Likewise.
1320 (FOR_EXPR): Likewise.
1321 (FOR_BODY): Likewise.
1322 (SWITCH_COND): Likewise.
1323 (SWITCH_BODY): Likewise.
1324 (CASE_LOW): Likewise.
1325 (CASE_HIGH): Likewise.
1326 (GOTO_DESTINATION): Likewise.
1327 (COMPOUND_BODY): Likewise.
1328 (ASM_CV_QUAL): Likewise.
1329 (ASM_STRING): Likewise.
1330 (ASM_OUTPUTS): Likewise.
1331 (ASM_INPUTS): Likewise.
1332 (ASM_CLOBBERS): Likewise.
1333 (DECL_STMT_DECL): Likewise.
1334 (STMT_EXPR_STMT): Likewise.
1335 (LABEL_STMT_LABEL): Likewise.
1336 (SCOPE_BEGIN_P): Likewise.
1337 (SCOPE_END_P): Likewise.
1338 (SCOPE_STMT_BLOCK): Likewise.
1339 (SCOPE_NULLIFIED_P): Likewise.
1340 (SCOPE_NO_CLEANUPS_P): Likewise.
1341 (SCOPE_PARTIAL_P): Likewise.
1342 (ASM_VOLATILE_P): Likewise.
1343 (STMT_LINENO): Likewise.
1344 (STMT_LINENO_FOR_FN_P): Likewise.
1346 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
1347 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
1348 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
1349 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
1350 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1352 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
1354 2000-06-14 David O'Brien <obrien@FreeBSD.org>
1356 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
1357 writable in parts of the GCC code.
1359 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
1360 specification match cast.
1362 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
1364 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
1365 * configure, config.in: Rebuilt.
1366 * sys-protos.h: Similarly.
1368 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
1370 * ifcvt.c (EDGE_COMPLEX): Move definition ...
1371 * basic-block.h (EDGE_COMPLEX): ... here.
1373 * loop.c (check_dbra_loop): Specify the register when
1374 generating REG_NONNEG notes and don't generate duplicates.
1376 2000-06-13 Jakub Jelinek <jakub@redhat.com>
1378 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
1379 (struct tree_type, struct tree_decl): Add user_align member.
1380 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
1381 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
1382 and DECL_USER_ALIGN 0, cap alignment to this value.
1383 (place_field): Likewise.
1384 (finalize_type_size): Set TYPE_USER_ALIGN.
1385 (layout_type): Likewise.
1386 (initialize_sizetypes): Likewise.
1387 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
1388 DECL_USER_ALIGN to 1.
1389 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
1390 (xfer_tag): Set TYPE_USER_ALIGN.
1391 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1392 (finish_enum): Likewise.
1393 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
1394 (expand_anon_union_decl): Likewise.
1395 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1396 (build_index_type): Set TYPE_USER_ALIGN.
1397 (build_range_type): Likewise.
1398 (build_common_tree_nodes_2): Likewise.
1399 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
1401 2000-06-13 Andreas Jaeger <aj@suse.de>
1403 * configure.in: Use --enable-checking=misc,tree,gc by default if
1404 no --enable-checking option is given and for
1405 --enable-checking=yes.
1406 * configure: Rebuilt.
1408 2000-06-13 Richard Henderson <rth@cygnus.com>
1410 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
1411 (__throw): Don't pass the address of a label.
1413 * config/ia64/ia64.c (ia64_compute_frame_size): Use
1414 current_function_is_leaf.
1415 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
1416 instead of reg_names[RETURN_ADDRESS_REGNUM].
1417 (ia64_init_machine_status): Reset return_address_pointer_rtx.
1418 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
1419 from RETURN_ADDRESS_REGNUM. Update all uses.
1420 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
1421 zero instead of null on failure.
1422 (ELIMINABLE_REGS): Add ra->b0 elimination.
1423 (CAN_ELIMINATE): Update accordingly.
1424 (INITIAL_ELIMINATION_OFFSET): Likewise.
1425 (REGISTER_NAMES): Use an illegal assembler name for
1426 RETURN_ADDRESS_POINTER_REGNUM.
1428 2000-06-13 Richard Henderson <rth@cygnus.com>
1430 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
1431 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
1432 (REG_CLASS_NAMES): Likewise.
1433 (REG_CLASS_CONTENTS): Likewise.
1434 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
1435 (HARD_REGNO_MODE_OK): Remove references to them.
1436 (REGNO_REG_CLASS): Likewise.
1437 (REG_CLASS_FROM_LETTER): Likewise.
1438 (CLASS_MAX_NREGS): Likewise.
1439 (REGISTER_MOVE_COST): Likewise.
1440 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
1441 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
1442 (movqi_internal): Special case moves from zero.
1443 (movhi_internal, movsi_internal): Likewise.
1444 (movdi_internal): Likewise. Fill out "f" constraints.
1445 (movsf_internal): Fill out "r" constraints.
1446 (movdf_internal): Likewise.
1448 2000-06-13 Richard Henderson <rth@cygnus.com>
1450 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
1451 alive before reload.
1453 * haifa-sched.c (struct deps): Add in_post_call_group_p.
1454 (add_dependence): Handle notes between SCHED_GROUP_P insns.
1455 (remove_dependence): Always define.
1456 (set_sched_group_p): New.
1457 (sched_analyze_2): Use it.
1458 (sched_analyze_insn): Don't special-case naked uses. Look for
1459 and extend in_post_call_group_p.
1460 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
1461 (init_deps): Clear in_post_call_group_p.
1463 2000-06-13 Richard Henderson <rth@cygnus.com>
1465 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
1466 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
1467 and hard-coded tests.
1468 (simplify_set): Likewise.
1469 (gen_lowpart_for_combine): Likewise.
1470 * emit-rtl.c (gen_lowpart_common): Likewise.
1471 * global.c (find_reg): Likewise.
1472 * local-alloc.c (find_free_reg): Likewise.
1473 * recog.c (register_operand): Likewise.
1474 * regclass.c (init_reg_sets_1): Likewise.
1475 (record_operand_costs, regclass): Likewise.
1476 * reload.c (push_reload): Likewise.
1477 * reload1.c (choose_reload_regs): Likewise.
1478 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
1479 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
1480 Update all references.
1481 * regs.h (struct reg_info_def): Likewise.
1482 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
1483 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
1484 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
1486 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
1487 (CLASS_CANNOT_CHANGE_MODE_P): New.
1488 * config/mips/mips.h: Likewise.
1489 * config/pa/pa32-regs.h: Likewise.
1490 * config/pa/pa64-regs.h: Likewise.
1491 * config/rs6000/rs6000.h: Likewise.
1492 * config/sh/sh.h: Likewise.
1493 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
1494 (CLASS_CANNOT_CHANGE_MODE_P): New.
1495 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
1496 * config/d30v/d30v.h: Likewise.
1498 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1500 * configure.in: Add AC_TYPE_GETGROUPS test.
1501 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
1502 * configure: Rebuilt.
1503 * config.in: Rebuilt.
1505 2000-06-13 Richard Henderson <rth@cygnus.com>
1507 * explow.c (set_mem_attributes): Do nothing for NULL type.
1509 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
1511 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
1514 2000-06-13 James E. Wilson <wilson@cygnus.com>
1516 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
1518 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
1520 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
1522 2000-06-13 Philipp Thomas <pthomas@suse.de>
1524 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
1525 * configure: Rebuilt.
1527 2000-06-07 David O'Brien <obrien@FreeBSD.org>
1529 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
1530 We now default to ELF for the i386, and a.out is the special case.
1531 * configure: Rebuilt.
1533 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
1535 * final.c (final_scan_insn): Delete notes between cc0 setter and
1536 user when restarting from setter.
1538 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1540 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
1541 cast to squelch signed/unsigned warnings.
1543 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
1545 * cpplib.c (handle_directive): Print non-NUL-terminated string
1548 2000-06-12 Michael Meissner <meissner@redhat.com>
1550 * ifcvt.c (dead_or_predicable): Don't do conditional execution
1551 path if the machine needs extra support to do conditional
1554 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
1556 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
1557 to print the alias set.
1558 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
1560 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1562 * config/float-vax.h: Add GFLOAT defines.
1564 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
1566 * configure.in: Update tm dependencies for MPE.
1567 * configure: Rebuilt.
1569 2000-06-12 H.J. Lu <hjl@gnu.org>
1571 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
1573 2000-06-12 David Edelsohn <edelsohn@gnu.org>
1575 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
1576 (CPP_SPEC): Change mthreads to pthread.
1577 (LIB_SPEC): Likewise.
1578 (STARTFILE_SPEC): Likewise.
1579 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
1580 (CPP_SPEC): Change mthreads to pthread.
1581 (LIB_SPEC): Likewise.
1582 (STARTFILE_SPEC): Likewise.
1583 * rs6000-protos.h (reg_or_arith_cint_operand): New.
1584 * rs6000.c (reg_or_arith_cint_operand): New.
1585 (num_insns_constant_wide): Decorate unsigned constant.
1586 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
1587 * rs6000.md (addsi3): Use new predicate.
1588 (subsi3, adddi3, subdi3): Likewise.
1590 2000-06-12 Mark Mitchell <mark@codesourcery.com>
1592 * c-common.c (lang_get_alias_set): Fix typo.
1594 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
1596 * flow.c (mark_used_regs): Revert last change.
1597 (life_analysis): Remove PROP_AUTOINC if running after reload.
1598 (propagate_one_insn): PROP_AUTOINC is always off after reload.
1600 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
1602 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
1605 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * bb-reorder.c (build_scope_forest): Initialize variable
1610 * calls.c (expand_call): Likewise for variables
1611 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
1613 * i386.c (function_arg_advance, function_arg): Cast to avoid
1614 signed/unsigned warnings.
1616 * i386.h (MEMORY_MOVE_COST): Likewise.
1618 * ifcvt.c (cond_exec_process_if_block): Initialize variables
1619 `else_start' and `else_end'.
1621 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
1623 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
1625 2000-06-10 Mark Mitchell <mark@codesourcery.com>
1627 * Makefile.in (libintl.a): Depend on intl.all.
1629 2000-06-09 H.J. Lu (hjl@gnu.org)
1631 * Makefile.in (c-parse.o): Also depend on output.h.
1633 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
1635 * mcore-protos.h: discards const warning removal.
1636 * mcore.c: discards const warning removal.
1638 2000-06-09 Kazu Hirata <kazu@hxi.com>
1640 * config/h8300/lib1funcs.asm: Declare the machine architecture at
1641 the beginning of the file.
1643 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1645 * real.h: Add prototype for ldexp.
1647 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
1649 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
1650 it ggc_alloc, drop second argument, never clear returned memory.
1651 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
1652 (ggc_alloc_cleared): New.
1653 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
1654 ggc_alloc_obj. Remove ggc_alloc macro.
1655 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
1657 * rtl.c (rtvec_alloc): Clear the vector always.
1658 (rtx_alloc): Clear the first word always. Remove dirty
1659 obstack tricks (this routine is no longer a bottleneck).
1660 * tree.c (make_node): Clear the new node always.
1661 (make_tree_vec): Likewise.
1662 (tree_cons): Clear the common structure always.
1663 (build1): Likewise; also, clear TREE_COMPLEXITY.
1664 * gengenrtl.c: Use puts wherever possible. Remove extra
1666 (gendef): Clear the first word of an RTX in the generator
1667 function, irrespective of ggc_p. Initialize '0' slots to
1669 (genlegend): Don't generate obstack_alloc_rtx routine, just a
1670 thin wrapper macro around obstack_alloc.
1672 * stmt.c (expand_fixup): Use ggc_alloc.
1673 * c-typeck.c (add_pending_init): Use ggc_alloc.
1674 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
1675 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
1676 const0_rtx when it is created.
1677 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
1678 we are not in a function.
1680 * tree.c (tree_class_check_failed): Make second arg an int.
1681 * tree.h: Update prototype.
1683 2000-06-09 Geoff Keating <geoffk@cygnus.com>
1685 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
1686 of an error_mark_node.
1688 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
1690 * config/avr/avr.c (asm_output_section_name): bugfix.
1692 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
1694 * timevar.def: Add TV_EXPAND.
1695 * timevar.c (timevar_print): Update timing information.
1696 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
1698 * stmt.c (expand_return): Check for error_mark_node.
1700 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1702 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
1704 * scan-types.sh (VALUE) Wrap use with double quotes to protect
1705 variable against filename expansion when it contains "char *".
1707 * system.h (SSIZE_MAX): Delete backup definition.
1709 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
1710 instead of SSIZE_MAX.
1712 2000-06-09 Jakub Jelinek <jakub@redhat.com>
1714 * configure.in: Check whether gas supports -relax.
1715 * configure, config.in: Rebuilt.
1716 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
1717 (EXTRA_SPECS): Add asm_relax.
1718 (ASM_SPEC): Add %(asm_relax).
1719 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
1720 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
1721 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
1722 (ASM_SPEC): Add %(asm_relax).
1723 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
1724 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
1725 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
1726 instead of mov, so that gas can further optimize it.
1728 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
1730 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
1732 (value_format, case dw_val_class_const): Use sdata format.
1733 (output_die): Call output_sleb128.
1735 2000-06-08 James E. Wilson <wilson@cygnus.com>
1737 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
1738 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
1739 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1740 (output_die, case dw_val_class_unsigned_const): Correct call to
1741 ASM_OUTPUT_DWARF_DATA8.
1742 (output_die, case dw_val_class_long_long): Use
1743 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1744 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
1747 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
1748 (output_function_prologue): Fix mispelling.
1749 (output_function_prologue, output_function_epilogue): Reorder to
1750 match ia64.c definition order.
1751 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
1752 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
1753 Use r3 instead of r2 for large stack restores.
1754 (ia64_output_end_prologue): New function.
1755 (process_set): Emit ".restore sp" for epilogue stack restores.
1756 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
1758 2000-06-08 Jakub Jelinek <jakub@redhat.com>
1760 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
1763 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
1765 * frame.c (end_fde_sort): Remove extraneous erratic array test.
1767 2000-06-08 Denis Perchine <dyp@perchine.com>
1769 * frame.c (start_fde_sort): Don't malloc (0).
1771 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
1773 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
1775 * print-tree.c (print_node): The transparent_union_flag means
1776 different things for unions and arrays. Do not inspect it
1777 with TYPE_TRANSPARENT_UNION.
1779 2000-06-06 Jakub Jelinek <jakub@redhat.com>
1781 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
1784 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
1786 * config/avr/avr.c (asm_output_section_name): output section
1788 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
1790 2000-06-06 James E. Wilson <wilson@cygnus.com>
1792 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
1793 fields into header field.
1794 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
1795 macros to access length, flags, and version info from header field.
1796 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
1797 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
1798 (__do_global_ctors_aux): Fix caller.
1799 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
1800 prologue_flag to header. Pass to read_P_record.
1801 (read_P_record): New argument header. Implement P4 format.
1802 Multiply P7_T_SIZE by 16.
1803 (execute_one_ia64_descriptor): New static local region_header. Pass to
1804 get_unwind_record. Copy r to region_header if r is a header record.
1805 (print_all_records): Likewise.
1806 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
1807 (__get_personality, __get_except_table): Likewise.
1808 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
1810 2000-06-06 Philipp Thomas <pthomas@suse.de>
1812 * configure.in (AC_C_INLINE): Added.
1813 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
1814 * configure: Regenerate.
1816 2000-06-06 Mark Mitchell <mark@codesourcery.com>
1818 * c-common.h (c_language_kind): New type.
1819 (c_language): New variab.e
1820 * c-common.c (lang_get_alias_set): Don't put structures in
1821 non-zero alias sets in C++.
1822 * c-decl.c (c_language): Define it.
1823 * c-lex.c (doing_objc_thang): Remove.
1824 * c-tree.h (doing_objc_thang): Make it a macro.
1825 * objc/objc-act.c (lang_decode_option): Set c_language, not
1828 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1830 * diagnostic.c (output_maximum_width): Remove.
1831 (doing_line_wrapping): Tweak.
1832 (diagnostic_buffer): New object.
1833 (global_output_buffer): New object.
1834 (output_destroy_prefix): New function.
1835 (default_initialize_buffer): Likewise.
1836 (reshape_diagnostic_buffer): Likewise.
1837 (initialize_diagnostics): Likewise.
1838 (output_clear): Tweak.
1839 (line_wrapper_printf): Adjust call to init_output_buffer.
1840 (vline_wrapper_message_with_location): Likewise. Use
1841 output_destroy_prefix.
1842 (v_message_with_decl): Likewise.
1844 * diagnostic.h (struct output_buffer): Constify prefix.
1845 (init_output_buffer, output_get_prefix): Constify.
1846 (diagnostic_message_length_per_line): Likewise.
1847 (reshape_diagnostic_buffer): Declare.
1848 (default_initialize_buffer): Declare.
1849 (initialize_diagnostics): Declare.
1850 (diagnostic_buffer): Declare new obbject.
1852 * toplev.c: #include diagnostic.h
1853 (display_help): Document diagnostic formatting options.
1854 (decode_f_option): Handle diagnostic formatting options.
1855 (main): Setup initialization for diagnostic messages outputter.
1857 * toplev.h (set_message_length): Remove.
1859 * Makefile.in (toplev.o): Depends upon diagnostic.h
1861 * invoke.texi : Document diagnostics formatting options.
1863 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
1865 * configure.in (Make the links): Typo fix : the file that must be
1866 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1867 * configure: File rebuilt.
1869 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
1871 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1872 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
1874 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1875 emergency eh_context buffer, if malloc fails.
1876 (__eh_free): Moved from cp/exception.cc. Release to emergency
1877 eh_context buffer, if appropriate.
1879 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
1881 * expr.c (store_expr): Fix typo.
1883 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1885 * m68k.c (legitimize_pic_address): Move prototype ...
1887 * m68k-protos.h (legitimize_pic_address): ... here.
1889 * m68k.md (legitimize_pic_address): Delete prototypes.
1890 (untyped_call): Invoke GEN_CALL(), not gen_call().
1892 * nextstep.c: Include system.h and toplev.h.
1893 (get_directive_line): Don't prototype.
1894 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1896 * nextstep.h (handle_pragma): Prototype.
1897 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
1898 objc_section_init ...
1899 (EXTRA_SECTION_FUNCTIONS): ... here.
1901 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1903 * sdbout.c (struct sdb_file): NAME now const.
1904 (sdbout_init): input_file_name now const.
1905 (sdbout_start_new_source_file): FILENAME now const.
1906 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1908 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1910 * c-typeck.c (build_conditional_expr): Handle complex data types.
1912 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1914 * explow.c (maybe_set_unchanging): New function, broken out from...
1915 (set_mem_attributes): Here.
1916 * expr.h: Declare it.
1917 * stmt.c (expand_decl): Call it.
1919 2000-06-05 Richard Henderson <rth@cygnus.com>
1921 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1922 while looking for a register to inherit from.
1924 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1926 * Makefile.in (libgcc.ready): Lose.
1927 (libgcc.mk): Just use mv, not move-if-change.
1928 (LIBGCC_DEPS): New macro.
1930 (stmp-multilib): Likewise.
1931 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
1932 it rather than the directories themselves.
1933 (LIB2ADD): Depend on the list file rather than 'force'.
1935 * fold-const.c (fold, case COND_EXPR): Elide conversion between
1936 cv-qualified versions of types.
1938 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1940 * config/sparc/sparc.c (short_branch): Correct error in range
1943 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1945 * fixinc/inclhack.def: New include hacks for ultrix.
1946 * (nested_ultrix): Replaced by ultrix_nested_svc.
1947 * (ultrix_atof_param): test_text string added.
1948 * (ultrix_ifdef): Modified select string.
1950 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
1952 * objc/objc-act.c (generate_method_descriptors): Register
1953 objc_method_prototype_template as a GC root.
1954 (comp_method_with_proto): Register function_type as a GC root.
1955 (comp_proto_with_proto): Replace function_type1 and
1956 function_type2 with a two-element array; register it as a GC root.
1958 (generate_protocols, build_protocol_initializer,
1959 generate_protocol_list, build_category_initializer,
1960 build_shared_structure_initializer): Do not cache cast_type
1963 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1965 * function.c (assign_parms): Add missing argument to set_mem_attributes
1968 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
1970 * tree.h (VOID_TYPE_P): New macro.
1971 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1972 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1973 (get_parm_info): Likewise.
1974 (store_parm_decls): Likewise.
1975 (combine_parm_decls): Likewise.
1976 (finish_function): Likewise.
1977 * c-typeck.c (build_function_call): Likewise.
1978 (build_binary_op): Likewise.
1979 (build_conditional_expr): Likewise.
1980 (internal_build_compound_expr): Likewise.
1981 (convert_for_assignment): Likewise.
1982 * stmt.c (expend_expr_stmt): Likewise.
1983 (warn_if_unused_value): Likewise.
1984 (expand_return): Likewise.
1985 * c-parse.in (primary): Likewise.
1986 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
1987 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1989 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1991 * alias.c (get_alias_set): If compnent is addressable, use alias
1993 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
1994 (grokdeclarator): Likewise.
1995 * c-typeck.c (common_type): Likewise.
1997 2000-06-04 Alex Samuel <samuel@codesourcery.com>
1999 * Makefile.in (OBJS): Remove dyn_string.o
2000 (dyn-string.o): Delete rule.
2001 * dyn-string.c: Delete file
2002 * dyn-string.h: Likewise.
2004 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2006 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2009 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2011 * alias.c (record_component_aliases): Don't inspect
2012 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2014 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2016 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2017 it with the pattern to do machine dependent work.
2018 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2019 use it to modify the true/false tests used in conditional
2020 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2021 defined, invoke them if the conversion to conditional execution
2022 was successful or not.
2024 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2025 (IFCVT_MODIFY_INSN): Ditto.
2026 (IFCVT_MODIFY_FINAL): Ditto.
2027 (IFCVT_MODIFY_CANCEL): Ditto.
2029 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2031 * toplev.c (main): Fix misspellings of possibility and language.
2033 2000-06-03 Richard Henderson <rth@cygnus.com>
2035 * alias.c (record_alias_subset): Initialize has_zero_child in the
2038 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2040 * arm.md (untyped_call): Use GEN_CALL macro.
2042 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2044 * Makefile.in: Use $(MAKE) not "make"
2046 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2048 * alias.c (struct alias_set_entry): New field has_zero_child.
2049 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2050 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2052 Call record_component_aliases for aggregate types.
2053 (record_alias_subset): Set has_zero_child.
2054 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2055 TYPE_NONALIASES_COMPONENT.
2056 (record_component_aliases, case RECORD_TYPE): Test
2057 DECL_NONADDRESSABLE_P.
2058 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2059 of TREE_ADDRESSABLE.
2060 * calls.c (initialize_argument_information): Only test
2061 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2062 * function.c (assign_parms): Likewise.
2063 * integrate.c (function_cannot_inline_p): Likewise.
2064 * stor-layout.c (finish_record_layout): Don't call
2065 record_component_aliases.
2066 * tree.h (struct tree_int_cst): Use struct tree_common.
2067 (struct tree_real_cst, struct tree_string): Likewise.
2068 (struct tree_complex, struct tree_identifier): Likewise.
2069 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2070 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2071 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2072 (TYPE_NONALIASES_COMPONENT): New macro.
2073 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2074 (DECL_NONADDRESSABLE_P): New macro.
2075 (struct tree_decl): Reorder bits for clarity of how many left;
2078 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2080 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2081 * mklibgcc.in (force): New target.
2082 Make LIB2ADD stuff depend on it.
2084 2000-06-02 Richard Henderson <rth@cygnus.com>
2086 * alias.c (lang_get_alias_set): Remove.
2087 (get_alias_set): Call it directly, not indirectly.
2088 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2089 * c-common.h (c_get_alias_set): Don't declare.
2090 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2091 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2093 2000-06-02 Bruce Korb <bkorb@gnu.org>
2095 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2096 (server_setup): define the server's master pid
2097 (close_server): actually do the deed IFF we are the server's master
2099 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2101 * c-common.c (c_get_alias_set): Check whether signed_type did not
2102 return its argument before calling get_alias_set on the result.
2104 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2106 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2108 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2110 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2111 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2112 for TARGET_NOMACSAVE.
2113 (NOMACSAVE_BIT): Define.
2114 (TARGET_NOMACSAVE): Define.
2115 (TARGET_SWITCHES): Add "nomacsave".
2117 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2119 * sh.md (untyped_call): Remove excess parameters
2121 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2123 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2124 match that used before the conversion to c_fix style.
2125 * fixinc/fixincl.x: regenerate
2127 2000-06-01 Stan Cox <scox@cygnus.com>
2129 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2130 macro argument typo.
2132 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2134 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2136 * cpplib.c (parse_include): Remove support for VAX-C
2137 "#include starlet" misfeature.
2139 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2141 * cppfiles.c: conditionally define O_BINARY.
2142 (open_include_file): pass O_BINARY to open().
2144 2000-06-01 Richard Henderson <rth@cygnus.com>
2146 * i960.c (i960_br_predict_opcode): Remove.
2147 (i960_print_operand) [+]: Emit branch prediction hints.
2148 (i960_function_arg): Return early for VOIDmode.
2149 (i960_round_align): Return early for incomplete types.
2150 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2151 * i960.md (all conditional branches): Add "%+".
2153 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2155 * alias.c (get_alias_set): Don't call language-specific routine more
2156 than is needed and clean up code a bit.
2157 * c-common.c (c_get_alias_set): All references whose type
2158 is char get alias set 0, but character types need not.
2159 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2160 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2162 2000-06-01 Bruce Korb <bkorb@gnu.org>
2164 * fixinc/tests/base/...: new base result files
2166 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2168 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2169 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2170 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2173 2000-06-01 Richard Henderson <rth@cygnus.com>
2175 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2177 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2179 2000-05-31 Richard Henderson <rth@cygnus.com>
2181 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
2182 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
2183 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2185 2000-05-31 Richard Henderson <rth@cygnus.com>
2187 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
2188 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
2189 (ia64_print_operand) [+]: ... here. Use current_output_insn.
2190 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2191 * config/ia64/ia64.md (all branch/call patterns): Use %+.
2193 2000-05-31 Richard Henderson <rth@cygnus.com>
2195 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
2197 2000-05-31 Richard Henderson <rth@cygnus.com>
2199 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
2201 (find_if_block): Allow THEN with no outgoing edges.
2202 * flow.c (merge_blocks_nomove): Remove a barrier not following
2205 2000-05-31 Richard Henderson <rth@cygnus.com>
2207 * flow.c (propagate_block): Move initialization of mem_set_list ...
2208 (init_propagate_block_info): ... here. Also track blocks with
2209 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
2211 2000-05-31 Richard Henderson <rth@cygnus.com>
2213 * jump.c (jump_optimize_1): Revert 05-18 change.
2215 2000-05-31 Mark Mitchell <mark@codesourcery.com>
2217 * invoke.texi: Remove documentation for -fguiding-decls.
2219 2000-05-31 Richard Henderson <rth@cygnus.com>
2221 * configure.in: Fix typo last change.
2223 2000-05-31 Philipp Thomas <pthomas@suse.de>
2225 * configure.in (enable-nls): Enable if build == host, i.e. when
2226 not building a canadian cross compiler.
2227 (enable-maintainer-mode): Added for use with i18n.
2228 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
2229 cross section of ALL_LINGUAS and LINGUAS.
2230 * configure: Rebuild.
2232 2000-05-31 Bruce Korb <bkorb@gnu.org>
2234 * fixinc/check.tpl: rework to use test result tree
2235 * fixinc/Makefile.in: change invocation of check script
2236 * fixinc/check.diff: No longer needed
2237 * fixinc/fixincl.x: regenerate
2238 * fixinc/inclhack.def: add new tests
2239 * fixinc/tests/base/arch/i960/archI960.h: New test result
2240 * fixinc/tests/base/curses.h: modified test result
2241 * fixinc/tests/base/stdio.h: ditto
2242 * fixinc/tests/base/time.h: ditto
2243 * fixinc/tests/base/sys/asm.h: ditto
2244 * fixinc/tests/base/sys/stat.h: ditto
2245 * fixinc/tests/base/sys/wait.h: ditto
2247 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
2249 * except.c (clear_function_eh_region): Do not free NULL.
2251 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2253 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
2254 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
2255 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
2256 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
2257 (find_base_decl): New function, from c_find_base_decl in c-common.c.
2258 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
2259 (get_alias_set): Likewise.
2260 Major rework to do more things and allow language-specific code
2261 to just handle special-cases.
2262 (record_alias_subset): Args are HOST_WIDE_INT.
2263 (record_component_alias): Local vars are HOST_WIDE_INT.
2264 Don't handle COMPLEX_EXPR.
2265 (get_varargs_alias_set): Moved from builtins.c.
2266 (get_frame_alias_set): New function.
2267 * builtins.c (expand_builtin_return_address): Use frame alias set.
2268 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
2270 (get_memory_rtx): Rework to use set_mem_attributes.
2271 (get_varargs_alias_set): Deleted from here.
2272 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
2273 (c_find_base_decl): Deleted from here.
2274 (c_get_alias_set): Remove many cases and rework to just handle
2276 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
2277 * c-decl.c (rtl.h, expr.h): Now included.
2278 (init_decl_processing): Call record_component_aliases on array types.
2279 (grokdeclarator): Likewise.
2280 Set TREE_ADDRESSABLE for all fields that are not bitfields.
2281 * c-typeck.c (common_type): Call record_component_aliases for array.
2282 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
2283 Set all save areas to the frame alias set.
2284 * calls.c (initialie_argument_information): Call set_mem_attributes.
2285 (compute_argument_addresses, expand_call): Likewise.
2286 * explow.c (set_mem_attributes): New function.
2287 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
2288 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
2289 LEN and OFFSET now HOST_WIDE_INT.
2290 (clear_by_pieces): Similar changes.
2291 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
2292 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
2293 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
2294 (clear_by_pieces_1): Likewise.
2295 (emit_push_insn): Call set_mem_attributes.
2296 (expand_expr, case INDIRECT_REF): Likewise.
2297 (expand_expr, case VAR_DECL): Call change_address.
2298 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
2300 (get_varargs_alias_set, get_frame_alias_set): New decls.
2301 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
2302 (new_alias_set, set_mem_attributes): Likewse.
2303 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
2304 (assign_stack_temp_for_type): Likewise.
2305 Can split slot even if alias set since can copy.
2306 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
2307 (assign_temp): Use host_integerp and tree_low_cst.
2308 (put_var_into_stack): Properly handle SAVE_EXPR.
2309 (put_addressof_into_stack): Likewise.
2310 (assign_parms): Call set_mem_attributes.
2312 (fix_lexical_address): Put reference to chain into frame alias set.
2313 (expand_function_start): Call set_mem_attributes.
2314 * integrate.c (expand_inline_function): Likewise.
2315 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
2316 * regmove.c (try_apply_stack_adjustment): Likewise.
2317 * reload.c (push_reload, make_memloc): Likewise.
2318 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
2319 * rtl.def (MEM): Update comment.
2320 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
2321 (move_by_pieces): Change length to HOST_WIDE_INT.
2322 (record_base_value, record_alias_subset): Delete from here.
2323 * stmt.c (expand_decl): Call set_mem_attributes.
2324 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
2325 * toplev.c (compile_file): Call init_alias_once earlier.
2326 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
2327 from here: now in alias.c.
2328 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
2329 (struct tree_decl): Likewise.
2330 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
2331 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
2332 (output_constant_def, force_const_mem): Likewise.
2334 * flow.c (propagate_block): If block has no successors, stores to
2335 frame are dead if not used.
2337 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
2339 * stmt (expand_end_case): Reorder conversion sequence for jump
2340 table to avoid extra truncations.
2342 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
2344 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
2345 in the block is more than just a simple conditional branch.
2346 (noce_process_if_block): Similarly.
2348 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
2350 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
2353 2000-05-30 Michael Meissner <meissner@redhat.com>
2355 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
2356 instructions. Treat LO_SUM operations as loading the full integer
2359 2000-05-30 Richard Henderson <rth@cygnus.com>
2361 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
2363 2000-05-30 Richard Henderson <rth@cygnus.com>
2365 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
2367 2000-05-30 Bruce Korb <bkorb@gnu.org>
2369 * fixinc/tests/*: Added expected result files for fixinc's make check
2370 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2372 2000-05-30 Richard Henderson <rth@cygnus.com>
2374 * config/alpha/alpha.md (*setne_internal): Use match_operator
2375 instead of working down from insn.
2377 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2379 * invoke.texi (-Wtraditional): Update WRT function macros.
2381 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
2383 * except.c (free_exception_table): Do not free NULL.
2385 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2387 * cpplib.c (do_if): Don't save and restore only_seen_white here.
2388 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
2391 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
2393 * flow.c (mark_used_reg): If a register is unconditionally live,
2394 remove any conditional death information.
2396 2000-05-29 Richard Henderson <rth@cygnus.com>
2398 * final.c (current_output_insn): New.
2399 (final_scan_insn): Set it.
2400 * output.h: Declare it.
2402 2000-05-29 Richard Henderson <rth@cygnus.com>
2404 * stor-layout.c (finalize_record_size): Fix typo.
2406 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
2409 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2411 * cpplib.h (cpp_reader): Remove if_stack. Change
2412 potential_control_macro to a cpp_hashnode *. Add skipping flag.
2413 * cpphash.h (struct ihash): Change control_macro to a
2414 cpp_hashnode * and shorten name to cmacro.
2415 Add NEVER_REINCLUDE constant.
2417 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
2418 Examine the cmacro node directly, no need to call cpp_defined.
2419 (_cpp_execute_include, read_include_file): Set cmacro to
2420 NEVER_REINCLUDE, not U"".
2421 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
2422 (cpp_get_token): If pfile->skipping is true, discard text and
2423 keep scanning until we hit a directive; don't expand macros.
2425 * cpplib.c (struct if_stack): Remove if_succeeded, add
2426 was_skipping. Change control_macro to a cpp_hashnode * and
2427 shorten name to cmacro. Remove typedef IF_STACK.
2428 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
2429 (conditional_skip, skip_if_group,
2430 consider_directive_while_skipping): Delete.
2431 (push_conditional): New.
2432 (_cpp_handle_directive): Don't process directives other than
2433 conditionals if we are skipping.
2435 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
2436 Update to new scheme.
2437 (validate_else): Skip rest of line here, unconditionally.
2438 (_cpp_unwind_if_stack): The stack is per-buffer. Force
2439 pfile->skipping off.
2441 (all): Remove `scare quotes' from error messages.
2443 2000-05-29 Richard Henderson <rth@cygnus.com>
2445 * function.c (emit_return_into_block): New line_note arg; emit it.
2446 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
2447 for the close brace to accompany HAVE_return. Move all line notes
2448 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
2450 2000-05-29 Richard Henderson <rth@cygnus.com>
2452 * longlong.h [__alpha] (count_leading_zeros): New.
2453 (count_trailing_zeros): New.
2454 (COUNT_LEADING_ZEROS_0): New.
2456 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
2457 (alpha_split_conditional_move): New.
2458 * config/alpha/alpha-protos.h: Prototype them.
2459 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2460 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
2461 * config/alpha/alpha.md: Update ffs cix commentary.
2463 (*nabssf2, *nabsdf2): New.
2464 (*mov[qhsd]icc_internal): Use add_operand.
2465 (if_then_else constant splitters): New.
2466 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
2467 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
2469 2000-05-29 Richard Henderson <rth@cygnus.com>
2471 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
2472 a constant to NEG or NOT when conditions allow.
2474 * combine.c (combine_simplify_rtx): Don't create an if_then_else
2475 unless both args are general_operand. Don't canonicalize plus
2476 to ior unless it helps.
2478 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
2479 instead track register_life_up_to_date. Toggle no_new_pseudos
2482 2000-05-28 Geoff Keating <geoffk@cygnus.com>
2484 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
2485 so output_operand doesn't see them.
2487 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
2489 * lcm.c (make_preds_opaque): Fix comment.
2490 (optimize_mode_switching): Use NORMAL_MODE instead of
2491 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
2492 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
2493 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
2494 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
2495 (MODE_USES_IN_EXIT_BLOCK): Delete.
2496 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
2497 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
2498 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
2499 (MODE_NEEDED): Don't look for USE.
2500 (EPILOGUE_USES): Define.
2502 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
2504 * mklibgcc.in (all): Variable initialised to `libgcc'.
2506 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
2508 * toplev.h (skip_leading_substring): New macro.
2509 * toplev.c (decode_f_option): Use skip_leading_substring instead
2511 (decode_W_option): Likewise.
2513 2000-05-28 Nick Clifton <nickc@cygnus.com>
2515 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
2518 2000-05-28 Richard Henderson <rth@cygnus.com>
2520 * regclass.c (record_operand_costs): Protect reg_changes_size
2521 with CLASS_CANNOT_CHANGE_SIZE.
2523 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2525 2000-05-28 Richard Henderson <rth@cygnus.com>
2527 * function.c (diddle_return_value): A pcc-style struct return
2530 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2532 * cppfiles.c: Read files in, using mmap if possible, then
2533 prescan them separately.
2534 (read_file, read_with_read): New functions.
2535 * cpplex.c: Don't define UCHAR_MAX.
2536 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
2539 * cppinit.c (handle_option): Automatically define __cplusplus,
2540 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
2541 the respective -lang switch.
2543 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
2544 prototype): Move to...
2545 * cpplib.h: ... here. Rename struct hashnode to struct
2546 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
2547 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
2549 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
2551 * config/rs6000/rs6000.md (movsi): Constify 'name'.
2553 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
2554 (class_can_change_size): New variable.
2555 (reg_changes_size): New variable.
2556 (init_reg_sets_1): Initialise class_can_change_size.
2557 (record_operand_costs): Remove subreg_changes_size.
2558 Don't pass it around. Instead update reg_changes_size.
2559 (regclass): Initialise and free reg_changes_size. If a register
2560 changes size, don't preference it to a class that contains
2561 registers that can't change size.
2562 (record_reg_classes): Don't look at subreg_changes_size.
2564 2000-05-27 Richard Henderson <rth@cygnus.com>
2566 * print-rtl.c (reg_names): Remove const.
2567 * regclass.c (reg_names): Likewise.
2568 * regs.h (reg_names): Likewise.
2569 * hard-reg-set.h (reg_names): Likewise.
2571 2000-05-27 Richard Henderson <rth@cygnus.com>
2573 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
2575 2000-05-27 Richard Henderson <rth@cygnus.com>
2577 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
2578 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
2579 (alpha_expand_prologue): Emit prologue_mcount if needed.
2580 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
2581 * config/alpha/alpha.md (prologue_mcount): New.
2582 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
2583 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
2584 * config/alpha/netbsd.h: Likewise.
2586 2000-05-27 Richard Henderson <rth@cygnus.com>
2588 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
2589 change to config/elfos.h.
2591 2000-05-27 Richard Henderson <rth@cygnus.com>
2593 * Makefile.in (resource.o): Depend on except.h.
2594 * except.h (output_exception_table_data): Prototype.
2595 * genconfig.c (gen_peephole2): Prototype.
2596 * genemit.c (main): Include ggc.h.
2597 * genoutput.c: Revert parts of last change: include errors.h
2598 (main): Set progname.
2599 * recog.c: Include hard-reg-set.h before recog.h.
2600 * resource.c: Include except.h.
2602 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
2604 (alpha_write_linkage): Protect with BUFSIZ.
2605 (alpha_need_linkage): Update prototype.
2606 * config/alpha/alpha.c (function_arg): Move VMS code here.
2607 (alpha_links_base): Remove.
2609 (mark_alpha_links_node, mark_alpha_links): New.
2610 (alpha_write_one_linkage): New.
2611 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
2612 (alpha_write_linkage): Use splay_tree_foreach.
2613 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
2614 to get the linkage symbol.
2615 (call_value_vms): Likewise.
2616 * config/alpha/elf.h (output_file_directive): Remove decl.
2617 (ctors_section, dtors_section): Prototype.
2618 (sbss_section, sdata_section): Prototype.
2619 * config/alpha/vms.h (FUNCTION_ARG): Remove.
2620 (readonly_section, link_section, literals_section): Prototype.
2621 (ctors_section, dtors_section): Prototype.
2622 (vms_valid_decl_attribute_p): Remove decl.
2623 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2625 2000-05-27 Geoff Keating <geoffk@cygnus.com>
2627 * reload.c (get_secondary_mem): Don't widen floating-point modes.
2629 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
2630 substituting the REG in a (subreg:X (reg:Y ...)).
2632 2000-05-28 Neil Booth <NeilB@earthling.net>
2634 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
2635 first token of a line BOL. Update EOF code for this.
2636 Remove illegal directive check - it appears in the (not
2637 yet committed) caller.
2638 * cpplib.h (BOL): New flag.
2640 2000-05-28 Neil Booth <NeilB@earthling.net>
2642 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
2643 (_cpp_free_toklist): No comment space to free.
2644 (expand_comment_space): Remove.
2645 (save_comment_space): Place the comment in the current token and
2646 not in a separate comment space.
2647 (_cpp_lex_line): Save comments during plain code and #define
2649 * cpplib.h (struct _cpp_toklist): Remove comment space.
2651 2000-05-28 Neil Booth <NeilB@earthling.net>
2653 * cppexp.c (parse_assertion): Supply extra argument to
2655 * cpplib.c (do_assert, do_unassert): Similarly.
2656 * cpphash.h (_cpp_init_toklist) Update.
2657 (_cpp_expand_token_space): New.
2658 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
2659 * cpplex.c (_cpp_init_toklist): New argument.
2660 (parse_string2): New argument multiline_ok.
2661 (spell_token): Take a const cpp_token *.
2662 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
2663 (SPELL_ macros): Replace with enum.
2664 (expand_token_space): Replace with _cpp_expand_token_space.
2665 Take COUNT argument.
2666 (IS_DIRECTIVE): Update.
2667 (_cpp_lex_line): Update token structure before parsing number.
2668 Don't assume start at beginning of token list.
2669 (save_comment): Use INIT_TOKEN_NAME.
2671 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2673 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
2674 -Wmissing-prototypes.
2675 * configure: Regenerate.
2676 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
2678 * builtins.c, calls.c: Change all instances of gen_call_* or
2679 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
2680 * calls.c (struct_value_size_rtx): Separate definition from
2681 initialization to avoid unused variable warning.
2683 * genflags.c (gen_macro): New function.
2684 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
2685 (gen_nonproto): Delete.
2686 (gen_insn): Put all insns on the same obstack.
2687 (main): Generate prototypes for everything unconditionally.
2689 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
2690 out check for wchar_t.
2691 * acconfig.h: Add template for ssize_t. Remove @TOP@.
2692 * system.h: Add infrastructure for defining missing
2693 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
2694 definitions of UCHAR_MAX and SSIZE_MAX.
2695 * configure: Regenerate.
2696 * config.in: Regenerate.
2698 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
2699 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
2701 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
2702 libgcc2.a, or libgcc1.null.
2704 2000-05-27 Richard Henderson <rth@cygnus.com>
2706 * Makefile.in (recog.o): Don't depend on resource.h.
2707 * recog.c: Don't include resource.h.
2708 (recog_last_allowed_insn): Remove.
2709 (recog_next_insn): Remove.
2710 (struct peep2_insn_data): New.
2711 (peep2_insn_data, peep2_current): New.
2712 (peep2_next_insn): New.
2713 (peep2_regno_dead_p, peep2_reg_dead_p): New.
2714 (peep2_find_free_register): New.
2715 (peephole2_optimize): Track life information by insn as we go.
2716 * recog.h: Update declarations.
2717 * resource.c (find_free_register, reg_dead_p): Remove.
2718 * resource.h: Remove their declarations.
2719 * toplev.c: Include hard-reg-set.h before recog.h.
2721 * genconfig.c (max_insns_per_peep2): New.
2722 (gen_peephole2): New.
2724 * genemit.c (output_peephole2_scratches): Generate calls to
2725 peep2_find_free_register; adjust surrounding code.
2726 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
2727 * genrecog.c (change_state): Don't track last_insn.
2728 (write_action): Write into *_pmatch_len before accepting.
2729 (write_tree): Adjust peephole2_insns and subroutines to match.
2731 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
2733 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
2734 (hard_int_register_operand): New.
2735 * config/alpha/alpha-protos.h: Declare it.
2736 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2737 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
2738 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2740 2000-05-27 Richard Henderson <rth@cygnus.com>
2742 * function.c (thread_prologue_epilogue_insns): Don't move the
2743 line note at the head of the chain. Only force a lineno note
2744 before the end of block 0.
2746 2000-05-27 Richard Henderson <rth@cygnus.com>
2748 * gensupport.c (collect_insn_data): Record the maximum number
2749 of alternatives, not the last seen.
2751 * genoutput.c: Don't include errors.h.
2752 (struct data): Add lineno member.
2754 (scan_operands): Use message_with_line instead of error.
2755 (validate_insn_alternatives): Likewise.
2756 (gen_insn): Accept and store the pattern's line number.
2757 (gen_peephole, gen_expand, gen_split): Likewise.
2758 (main): Don't set progname. Pass line_no to gen_foo.
2760 2000-05-27 Richard Henderson <rth@cygnus.com>
2762 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
2763 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
2764 * config/d30v/d30v.md (attr predicable): New.
2765 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
2766 (andsi3*): Unify into one pattern.
2767 (iorsi3*, xorsi3*): Likewise.
2768 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
2770 (old cond_exec patterns): Remove.
2771 (define_cond_exec): New.
2773 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2775 * tree.h (TREE_CODE_LENGTH): New macro.
2776 * c-common.c (c_find_base_decl): Use it.
2777 * expr.c (safe_from_p): Likewise.
2778 * print-tree.c (print_node): Likewise.
2779 * tree.c (make_node, copy_node, get_identifier): Likewie.
2780 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
2781 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
2782 * fold-const.c (make_range): Likewise.
2783 (fold): Likewise; also use first_rtl_op.
2784 * c-iterate.c (collect_iterators): Use first_rtl_op.
2785 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
2786 Use IS_EXPR_CODE_CLASS.
2787 (preexpand_calls): Likewise.
2788 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
2789 and TREE_CODE_LENGTH.
2790 * stmt.c (warn_if_unused_value): If no operands, no unused value.
2792 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
2794 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
2796 (movdi_internal64): Likewise.
2798 * config/rs6000/rs6000.md: Correct order of operands for DImode
2801 * config/rs6000/rs6000.c (boolean_or_operator): New function.
2802 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
2803 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
2804 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
2805 boolean_operator for the boolean patterns without NOTs.
2807 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
2808 from reg_or_u_cint_operand. Change comment and behaviour.
2809 (logical_operand): Clean up, add assertion.
2810 (non_logical_cint_operand): Also check for
2811 reg_or_logical_cint_operand.
2812 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
2813 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
2819 2000-05-26 Mark Mitchell <mark@codesourcery.com>
2821 * tree.h (struct record_layout_info): Rename to (struct
2822 record_layout_info_s).
2823 * stor-layout.c (start_record_layout): Replace
2824 `record_layout_info' with `record_layout_info_s'.
2826 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2828 * flow.c (find_label_refs): New function.
2829 (find_basic_blocks_1): Call it for each alternative of a call
2832 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2834 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
2837 2000-05-25 Richard Henderson <rth@cygnus.com>
2839 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
2840 so strict about DImode.
2841 (alpha_swapped_comparison_operator): Likewise.
2842 * config/alpha/alpha.md (*setne_internal): Name it. Allow
2843 any integer output mode.
2844 (*setcc_internal): Likewise.
2845 (*setcc_swapped_internal): Likewise.
2846 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
2847 (*mov[qhs]icc_internal): New.
2848 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2850 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2852 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2854 2000-05-25 Richard Henderson <rth@cygnus.com>
2856 * bb-reorder.c (reorder_block_def): Reorder elements for size.
2857 Remove add_jump; add next; replace flags with visited.
2859 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2860 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2861 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2862 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2864 (reorder_index, reorder_last_visited): Remove.
2865 (skip_insns_after_block): Rewrite to use a switch.
2866 (get_common_dest): Remove.
2867 (chain_reorder_blocks): Remove.
2868 (record_effective_endpoints): Split out from reorder_basic_blocks.
2869 (make_reorder_chain): Likewise. Loop until all blocks are placed.
2870 (make_reorder_chain_1): Renamed from old make_reorder_chain.
2871 Only construct the reorder chain, do not move insns. Try harder
2873 (label_for_bb, emit_jump_to_block_after): New.
2874 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
2875 and adjust the jump insns appropriately. Fixup basic_block_info.
2876 (verify_insn_chain): Always define.
2877 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
2879 (make_new_scope): Don't write zeros to calloc'd space.
2880 (build_scope_forest): Rely on xrealloc to DTRT.
2881 (reorder_basic_blocks): Don't build loop nest. Don't fail if
2882 profile_arc_flag. Streamline EH test.
2884 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
2885 * basic-block.h: Declare them.
2887 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
2889 * emit-rtl.c (reset_used_decls): New function.
2890 (unshare_all_rtl_again): Call it.
2892 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
2894 * cpplex.c (maybe_macroexpand): Warn about function-like
2895 macros used in non-function context, if -Wtraditional.
2897 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2899 * recog.c (peephole2_optimize): Use INSN_P.
2901 2000-05-25 Richard Henderson <rth@cygnus.com>
2903 * ifcvt.c (seq_contains_jump): New.
2904 (noce_try_store_flag_constants): Use it to fail conversion.
2905 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2907 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2909 * except.h (can_throw): Declare it.
2910 * except.c (can_throw): Give it external linkage.
2911 * resource.c (find_dead_or_set_registers): Use can_throw.
2913 2000-05-25 Richard Henderson <rth@cygnus.com>
2915 * flow.c (mark_set_1): Don't record conditionally dead memory.
2917 2000-05-25 Jan Hubicka <jh@suse.cz>
2919 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2920 and pc_set at the place of simplejump_p and condjump_p.
2921 * cse.c (record_jump_equiv): Likewise.
2922 * emit-rtl.c (emit): Likewise.
2923 * explow.c (find_next_ref): Likewise.
2924 * flow.c (tidy_fallthru_edge): Likewise.
2925 (init_propagate_block_info): Likewise.
2926 * gcse.c (delete_null_pointer_checks): Likewise.
2927 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
2928 dead_or_predicable): Likewise.
2929 * integrate.c (copy_insn_list): Likewise.
2930 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2931 for_each_insn_in_loop, check_dbra_loop, get_condition,
2932 insert_bct, load_mems): Likewise.
2933 * resource.c (find_dead_or_set_registers): Likewise.
2934 * sibcalls.c (simplejump_p): Likewise.
2935 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2937 2000-05-25 David Edelsohn <edelsohn@gnu.org>
2939 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2940 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
2942 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2943 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2944 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2945 * rs6000.md: Name various internal patterns.
2947 2000-05-25 Jan Hubicka <jh@suse.cz>
2949 * jump.c (invert_exp_1): Remove first argument, use pc_set
2950 to get the expression.
2951 (redirect_exp): Make static; redirect only the pc_set expression,
2952 remove first argument.
2953 (invert_exp): Remove first argument, make static.
2954 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
2955 any_onlyjump at most places where we originaly did condjump_p
2957 (jump_back_p, follow_jumps, thread_jumps): Likewise.
2958 (delete_barrier_succesors): Use pc_set.
2959 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2960 calls of invert_exp and redirect_exp.
2961 * rtl.h (redirect_exp, invert_exp): Remove.
2962 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2964 2000-05-25 Richard Henderson <rth@cygnus.com>
2966 * stmt.c (expand_end_bindings): Fix thinko last change.
2968 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
2969 Andrew Haley <aph@cygnus.com>
2971 * except.c (func_eh_entry): Add emitted field.
2972 (new_eh_region_entry): Set emitted field to 0;
2973 (output_exception_table_entry): Only emit previously un-emitted data,
2974 and send it to the eh_data section.
2975 (output_exception_table): Break out common parts. Output
2976 exception table for entire compilation unit to eh_data section.
2977 (output_exception_table_data): Common parts of output_exception_table.
2978 Send output to eh_data section.
2979 (output_function_exception_table): Output exception table data for
2980 a single function to eh_data section.
2981 (free_exception_table): New external to free the table.
2982 * except.h (free_exception_table): Add prototype.
2983 (output_function_exception_table): Add prototype.
2984 * final.c (final_end_function): Output function exception table
2985 for IA64_UNWIND_INFO.
2986 (final_scan_insn): Emit any unwind directives for an insn.
2988 * frame-dwarf2.c: New file containing all DWARF 2 specific code
2990 * frame.c: Remove all DWARF 2 specific code.
2991 * config/ia64/frame-ia64.c: New file.
2992 (gthread_stuff): Make all gthread available with
2994 (dwarf_fde): Define an IA64 struct for dwarf_fde.
2995 (__register_frame_info, __register_frame): Move to common area of file.
2996 (__register_frame_info_table, __register_frame_table): Move to common i
2998 (__deregister_frame_info, __deregister_frame): Move to common area.
2999 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3000 (read_uleb128): New version for ia64.
3001 (get_unwind_record): Read the next IA-64 unwind record.
3002 (read_R_record): Read a region header record.
3003 (process_a_b_reg_code): X record helper.
3004 (read_X_record): Read an X format record.
3005 (read_B_record): Read a B format record.
3006 (P3_record_types): List of record types matching the P3 format.
3007 (P7_record_types): List of record types matching the P7 format.
3008 (P8_record_types): List of record types matching the P8 format.
3009 (read_P_record): Read a P format record.
3010 (init_ia64_reg_loc): Set default fields for a register.
3011 (init_ia64_unwind_frame): Set defaults for all register records.
3012 (execute_one_ia64_descriptor): Execute one descriptor record.
3013 (rse_address_add): Calculate the position of a local reg in memory.
3014 (normalize_reg_loc): Turn a location descriptor into a memory address.
3015 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3016 within a specified PC offset range.
3017 (get_real_reg_value): Given a register location, retrieve its value.
3018 (set_real_reg_value): Change the value of a register location.
3019 (copy_reg_value): Copy reg values, if needed.
3020 (copy_saved_reg_state): Copy all registers that need to be copied.
3021 (process_state_between): Normalize all frame register records that
3022 fall within the specified PC range.
3023 (frame_translate): Take a processed frame description, and turn
3024 everything into addresses.
3025 (build_ia64_frame_state ): Find and create frame state record for a PC.
3026 (get_personality): Get the personality routine for a given frame.
3027 (get_except_table): Get the exception table for a given frame.
3028 (record_name): Unwind record names for debugging.
3029 (print_record): Print and unwind record.
3030 (print_all_records): Print an entire unwind image.
3031 (__ia64_backtrace): Print a backtrace.
3032 (ia64_backtrace_helper): New function.
3033 (__register_frame_info_aux): New function.
3034 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3036 * frame.h (enum unw_record_type): New unwind record types.
3037 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3038 (struct unw_r_record, unwind_record): New unwind record structs.
3039 (struct unwind_info_ptr): Unwind information layout.
3040 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3042 (struct ia64_reg_loc): Register location description.
3043 (struct ia64_frame_state): Location of all registers in a frame.
3044 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3045 * libgcc2.c (__ia64_personality_v1): Personality routine.
3046 (__calc_caller_bsp): Calculate the bsp register for the caller's
3048 (ia64_throw_helper): Figure out who to return to and set up the
3050 (__throw): Throw routine.
3052 * output.h (assemble_eh_align, assemble_eh_label): New functions
3053 to generate EH info where we want it.
3054 (assemble_eh_integer): New function.
3055 * toplev.c (compile_file): Output module level exception table for
3057 (main): Set exceptions_via_longjump and flag_new_exceptions based
3058 on IA64_UNWIND_INFO too.
3060 * varasm.c (assemble_eh_label): Generate a label via
3061 ASM_OUTPUT_EH_LABEL if it has been specified.
3062 (assemble_eh_align): Generate an alignment directive via
3063 ASM_OUTPUT_EH_ALIGN if it has been specified.
3064 (assemble_eh_label): Generate an integer value via
3065 ASM_OUTPUT_EH_type if they have been specified.
3066 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3067 (ia64_init_builtins): Add __builtin_ia64_bsp
3068 and __builtin_ia64_flushrs.
3069 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3070 IA64_BUILTIN_FLUSHRS.
3071 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3072 IA64_BUILTIN_FLUSHRS.
3074 * config/ia64/ia64.md (flushrs): New insn to flush the register
3075 stack. Add to unspec list.
3077 * config/ia64/crtbegin.asm (frame_object): Change size.
3078 (__do_frame_setup_aux): New function.
3079 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3080 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3081 * Makefile.in (LIB2ADDEH): Add.
3082 (LIB2ADD): Use LIB2ADDEH.
3084 2000-05-24 Richard Henderson <rth@cygnus.com>
3086 * recog.c (offsettable_address_p): If mode size is zero, assume
3089 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3091 * configure.in: Check for -Wno-long-long option support and improve
3092 handling of warning CFLAGS for stages 1 and 2.
3093 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3094 * configure: Regenerate.
3096 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3098 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3099 * contrib.texi: New file.
3101 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3103 * loop.c (basic_induction_var): Avoid double recording of an increment.
3105 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3107 * Back out this patch:
3108 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3109 * loop.h (struct induction): Add multi_insn_incr.
3110 * loop.c (basic_induction_var): New multi_insn_incr argument.
3111 Set it if we search back through previous insns for the biv.
3112 (record_biv): New multi_insn_incr argument; fill in struct induction.
3113 (strength_reduce): Discard an iv with multiple bivs, any of
3114 which require multiple insns to increment.
3116 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3118 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3120 * rtl.h (loc_mentioned_in_p): Declare.
3121 * reload.c (loc_mentioned_in_p): Moved from here...
3122 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3123 Fix loop increment for 'E' handling.
3124 * loop.c (strength_reduce): When doing biv->giv conversion,
3125 take multi-insn biv increments into account.
3127 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3129 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3132 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3134 * calls.c (expand_call): Handle cleanups in tail-recursion
3135 arguments analagously to cleanups in sibling calls.
3137 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3140 All callers changed.
3142 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3144 * expr.c (expand_assignment, store_expr, expand_expr,
3145 expand_expr_unaligned): Set in_check_memory_usage while emitting
3146 chkr_check_addr libcall.
3148 2000-05-24 Nick Clifton <nickc@cygnus.com>
3150 * fold-const.c (extract_muldiv): When constructing a
3151 multiplier/divisor, do not expect const_binop to correctly
3152 determine if overflow has occured, so check explicitly.
3154 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3156 * c-decl.c (build_enumerator): Don't modify the value's type,
3159 2000-05-24 Andreas Jaeger <aj@suse.de>
3161 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3163 2000-05-24 Eric Christopher <echristo@cygnus.com>
3165 * configure.in: Redefine inhibit_libc conditions.
3166 * libgcc2.c: Remove inhibit_libc conditional define.
3167 * configure: Regenerate.
3169 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3171 * configure.in: For --enable-languages=LIST, check for empty LIST.
3172 * configure: Regenerate.
3174 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3176 * pdp11.h (STACK_BOUNDARY): Define.
3178 2000-05-24 Jakub Jelinek <jakub@redhat.com>
3180 * ifcvt.c (if_convert): Update life info globally.
3182 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3184 * emit-rtl.c (unshare_all_decls): New function.
3185 (unshare_all_rtl): Call it.
3187 2000-05-23 Nick Clifton <nickc@cygnus.com>
3189 * configure.in: Treat 'strongarm' as if it were 'arm' when
3190 determining cpu type.
3192 * configure: Regenerate.
3194 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
3195 where constant strings are involved.
3197 * config/arm/arm.h (arm_condition_codes): Change type to 'const
3200 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
3201 cases where constant strings are involved.
3203 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
3205 * config/sh/sh.c (gen_far_branch, split_branches): Update
3206 to reflect new prototypes for redirect_jump and invert_jump.
3207 (sh_insn_length_adjustment): Get rid of const warnings.
3209 2000-05-23 Kazu Hirata <kazu@hxi.com>
3211 * invoke.texi (Options for Debugging Your Program or GCC): Update
3212 the names of dump files.
3214 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
3216 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
3217 * configure: Regenerated.
3219 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3221 * simplify-rtx.c (SIGN_EXTEND): New macro.
3222 (simplify_unary_operation, simplify_binary_operation,
3223 simplify_relational_operation): Use SIGN_EXTEND. Make low
3224 halves of (low, high) pairs unsigned if they weren't already.
3225 (simplify_ternary_operation): Cast INTVAL to unsigned before
3226 comparing to a MODE_BITSIZE.
3228 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3230 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
3231 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
3233 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
3234 gcc_AC_NEED_DECLARATIONS.
3236 * dwarfout.c: Don't prototype time().
3238 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
3240 * system.h: Likewise.
3242 * toplev.c: Likewise.
3244 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3246 * c-decl.c (pushdecl): Invert sense of test for non-global types.
3248 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3250 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
3252 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
3254 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
3256 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3258 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
3259 (alpha_start_function): Never write ..ng label if VMS or NT.
3260 (alpha_align_insns): Remove GP_IN_USE arg.
3261 Alignment now unsigned.
3262 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
3263 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
3264 and two define_insn's.
3266 2000-05-22 Richard Henderson <rth@cygnus.com>
3268 * combine.c (simplify_comparison): Use trunc_int_for_mode.
3270 2000-05-22 Richard Henderson <rth@cygnus.com>
3272 * stor-layout.c (place_field): Change rli->size to rli->offset.
3274 2000-05-22 Richard Henderson <rth@cygnus.com>
3276 * function.c (thread_prologue_and_epilogue_insns): Make sure
3277 existing line number notes appear after the prologue.
3279 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3281 * config/alpha/alpha.c (alpha_fnname): New static variable.
3282 (print_operand, case '~'): New case.
3283 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
3284 (alpha_start_function): Set alpha_fnname.
3285 Write "ng" label if no ldgp; don't write ldgp insn.
3286 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
3287 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
3289 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
3291 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
3294 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
3296 * varasm.c (eh_frame_section): Revert change to argument list.
3298 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3300 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
3301 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
3303 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
3304 dangling "else" that causes "break" to be conditional.
3305 Also remove unneeded code at start.
3307 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
3309 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
3310 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
3311 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
3313 2000-05-22 Jakub Jelinek <jakub@redhat.com>
3315 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
3318 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3320 * alias.c (record_component_aliases): New function.
3321 * tree.h: Clean up some declarations and comments.
3322 (record_component_aliases): New declaration.
3323 * tree.c (get_alias_set): If type and has alias set, use it.
3325 2000-05-22 Richard Henderson <rth@cygnus.com>
3327 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
3328 IF_THEN_ELSE to a setcc form.
3329 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
3331 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
3334 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
3336 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3338 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
3341 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3343 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
3344 * config/mn10300/mn10300.c (print_operand): Likewise.
3346 * final.c (split_double): Right shift of negative values is not
3349 * ifcvt.c (if_convert): Scan and kill dead code.
3351 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
3353 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
3355 * diagnostic.c: Eliminate implicit int.
3356 * except.c, gcc.c: Add static prototypes.
3357 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
3358 * gensupport.c (process_rtx): Use XVEC to initialize vector
3361 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
3362 debug_reg_names instead of static reg_names. If not, define
3364 * regclass.c: Don't define global reg_names unless
3365 DEBUG_REGISTER_NAMES is defined.
3367 * reload1.c (order_regs_for_reload): Remove unused variable.
3368 * varasm.c: Include output.h after defaults.h. Define
3369 eh_frame_section as function of no args, not of unspecified args.
3371 * gcc.c: Constify argbuf; arguments to store_arg,
3372 process_command, main; elements of struct command and struct
3373 switchstr; local variables in execute, process_command, main.
3375 2000-05-20 Bruce Korb <bkorb@gnu.org>
3377 * fixinc/inclhack.def: many applications of c_fix=format + tests
3378 * fixinc/check.diff: regenerated
3379 * fixinc/fixincl.x: regenerated
3381 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3383 * alias.c: Clarify some comments.
3384 (record_base_value): REGNO is unsigned.
3385 * rtl.h (record_base_value): Likewise.
3387 * alias.c (aliases_everything_p): Don't special-case QImode here.
3388 * c-common.c (c_get_alias_set): Do it here.
3389 Handle BIT_FIELD_REF by getting alias info for arg.
3392 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3394 * mklibgcc.in: Restore rule to create ${dir}.
3396 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
3398 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
3399 GCC_FOR_TARGET used by MULTILIBS.
3400 * mklibgcc.in: Make sure each .o file depends on the
3401 directory it will be in.
3402 Make the multilib directory depends libgcc.
3404 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
3406 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
3408 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
3410 * fold-const.c (make_range): Handle degenerated intervals.
3411 Fixes c-torture/execute/991221-1.c
3413 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3415 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
3416 * reload.c (find_equiv_reg): Likewise.
3417 * alias.c (init_alias_analysis): Likewise.
3418 Only call prologue_epilogue_contains on insns.
3419 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
3420 * bb-reorder.c (hard-reg-set.h): Include earlier.
3421 * haifa-sched.c (hard-reg-set.h): Likewise.
3422 * ifcvt.c (hard-reg-set.h): Likewise.
3423 * local-alloc.c (hard-reg-set.h): Likewise.
3424 * loop.c (hard-reg-set.h): Likewise.
3425 * predict.c (hard-reg-set.h): Likewise.
3426 * regrename.c (hard-reg-set.h): Likewise.
3427 * flow.c (hard-reg-set.h): Likewise.
3428 (reg_set_to_hard_reg_set): New function.
3429 * bitmap.c (regs.h, basic-block.h): No longer include.
3430 (bitmap.h): Now include.
3431 * conflict.c (hard-reg-set.h): Include.
3432 * profile.c (hard-reg-set.h): Likewise.
3433 * print-rtl.c (hard-reg-set.h): Likewise.
3434 * sbitmap.c (hard-reg-set.h): Likewise.
3435 * toplev.c (hard-reg-set.h): Likewise.
3436 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
3437 * hard-reg-set.h (reg_names): Now constant.
3438 * regs.h (reg_names): Likewise.
3439 * regclass.c (reg_names): Likewise.
3440 * loop.h (basic-block.h): No longer include.
3441 (bitmap.h): Now include.
3442 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
3443 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
3444 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
3446 2000-05-19 Jan Hubicka <jh@suse.cz>
3447 Richard Henderson <rth@cygnus.com>
3449 * basic-block.h (struct edge_def): New field "count".
3450 (struct basic_block_def): Likewise.
3451 * flow.c (entry_exit_blocks): Add count fileds.
3452 (split_edge): Keep count information up-to-date.
3453 (dump_edge_info, dump_flow_info): Dump count fields.
3455 * final.c (count_instrumented_edges): Rename to edge from arc.
3456 (end_final): Update users.
3457 * profile.c: Include expr.h, basic-block.h.
3458 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
3459 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
3460 (ignore_next_note, return_label_execution_count): Kill.
3461 (bbg_file_name, da_file_name): Kill.
3462 (edge_info, bb_info): New structures.
3463 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
3464 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
3465 (total_num_edges_instrumented): Likewise.
3466 (init_arc, expand_spanning_tree): Kill.
3467 (fill_spanning_tree, tablejump_entry_p): Kill.
3468 (instrument_edges): Rewrite from instrument_arcs to use
3469 commit_edge_insertions infrastructure.
3470 (compute_branch_probabilities): Remove arguments; rewrite for
3471 CFG infrastructure; use rtl_dump_file directly.
3472 (branch_prob, find_spanning_tree): Likewise.
3473 (union_groups, find_group): New.
3474 (init_branch_prob): Make bbg_file_name and da_file_name local.
3475 (end_branch_prob): Use rtl_dump_file directly.
3476 (init_edge_profiler): Rename to edge from arc.
3477 (output_arc_profiler): Kill.
3478 (gen_edge_profiler): New.
3479 (output_func_start_profiler): Turn off profiling. Make the
3480 constructor static when we can.
3481 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
3483 * toplev.c (DFI_flow): Remove.
3484 (DFI_cfg, DFI_life): New.
3485 (dump_file): Update accordingly.
3486 (compile_file): Call end_branch_prob if profile_arc_flag too.
3487 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
3488 profiling after the CFG is built. Move flow1 life analysis to
3489 DFI_life. Always estimate remaining probabilities.
3491 2000-05-19 Richard Henderson <rth@cygnus.com>
3493 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
3495 * flow.c (make_edges): The sibling call edge to exit is abnormal.
3497 2000-05-19 Richard Henderson <rth@cygnus.com>
3499 * jump.c (redirect_jump): Add delete_unused argument. Don't
3500 remove labels and code following when LABEL_NUSES goes to zero.
3501 (invert_jump): Likewise.
3502 (jump_optimize_1): Fix redirect/invert arguments.
3503 (do_cross_jump, thread_jumps): Likewise.
3504 * flow.c (split_edge): Likewise.
3505 * reorg.c (optimize_skip): Likewise.
3506 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
3507 * profile.c (instrument_arcs): Likewise.
3508 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
3509 * rtl.h: Update prototypes.
3511 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
3513 * ssa.c (convert_from_ssa): Tell life_analysis we need death
3515 (make_regs_equivalent_over_bad_edges): Only look at abnormal
3518 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
3520 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
3521 past l1 when deleting whitespace and markers.
3523 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
3524 * cpplib.c (do_unassert): Put the list to compare against on
3527 2000-05-19 Bruce Korb <bkorb@gnu.org>
3529 * fixinc/README: cleaned up old documentation
3530 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
3531 * fixinc/check.tpl: compute the list of needed directories
3532 emit "#if defined(name)" because of conflict
3533 omit machine name differences from output differences
3534 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
3535 (machine_name): change test text to use `sed' markers
3536 * fixinc/fixincl.x: regen
3538 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3540 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
3543 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3545 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
3546 it to match the current practice.
3548 2000-05-18 Mark Mitchell <mark@codesourcery.com>
3550 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
3552 2000-05-18 Richard Henderson <rth@cygnus.com>
3554 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
3555 * rtl.h (insn_dependant_p): Declare it.
3556 * loop.c (strength_reduce): Use it.
3558 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
3560 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
3561 16-bit and 64-bit clean-up.
3563 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
3565 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
3566 * configure: Rebuilt.
3568 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3570 * genopinit.c: Use $ for escape sequences in optab patterns.
3571 Remove backslashes from optab patterns. Change $A, $B, $C to
3572 expand to (int) whatever instead of just whatever; remove
3573 explicit (int) from all optab patterns.
3575 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
3576 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
3577 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
3578 genrecog.c: Remove private copies of xmalloc, xrealloc, and
3581 2000-05-18 Richard Henderson <rth@cygnus.com>
3583 * jump.c (jump_optimize_1): Base minimum insn count during
3584 find_cross_jump on BRANCH_COST.
3586 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3588 * print-rtl.c (print_rtx): Only print note line number as string
3589 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
3590 * final.c (final_scan_insn): Do nothing for note line number 0.
3592 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3594 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
3595 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
3596 NOTE_INSN_DELETED_LABEL.
3598 2000-05-18 Nick Clifton <nickc@cygnus.com>
3600 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
3601 uninitialised data in .rodata not .bss, and do not interpret an
3602 error in the initialisation value as meaning that the variable
3603 should be placed in the .bss section.
3605 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
3607 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
3608 not `$ac_cv_prog_cc_cc_c_o'.
3609 * configure: Regenerated.
3611 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3612 Richard Henderson <rth@cygnus.com>
3614 * c-common.h (enum c_tree_index): Add g77 type entries.
3615 (g77_integer_type_node, g77_uinteger_type_node): New.
3616 (g77_longint_type_node, g77_ulongint_type_node): New.
3617 * c-decl.c (init_decl_processing): Initialize them.
3619 2000-05-18 Richard Henderson <rth@cygnus.com>
3621 * config/h8300/h8300.md (subs patterns): Use %G to negate.
3623 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
3624 (small_power_of_two): Likewise; use exact_log2.
3625 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
3626 (output_adds_subs): Remove.
3627 (two_insn_adds_subs_operand): New.
3628 (split_adds_subs): New.
3629 * config/h8300/h8300-protos.h: Update.
3630 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
3631 (CONST_OK_FOR_L): Match strict adds operands.
3632 (CONST_OK_FOR_N): Match struct subs operands.
3633 * config/h8300/h8300.md (adds_subs insns): Remove.
3634 (addhi patterns): Output adds/subs directly.
3635 (addsi_h8300h): Likewise.
3636 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
3638 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3640 * cppexp.c (parse_assertion): New.
3641 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
3642 (_cpp_parse_expr): Remove case '#'. Don't set
3643 parsing_if_directive.
3644 * cpphash.c (collect_objlike_expansion,
3645 collect_funlike_expansion, collect_params,
3646 _cpp_create_definition): The list no longer has a trailing
3648 * cpphash.h (enum node_type): Add T_ASSERTION.
3649 (struct hashnode): Remove aschain, add pred.
3650 (struct predicate): New.
3653 * cpplex.c (expand_token_space): Handle both offset and
3655 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
3656 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
3657 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
3658 _cpp_equiv_toklists): New.
3659 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
3660 stop at any single-character token, not just newline.
3661 (_cpp_lex_token): Remove special cases for #define and #if.
3662 (cpp_get_token): Expect # as a separate token type. Remove
3664 (_cpp_get_directive_token): Remove DIRECTIVE case.
3665 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
3667 * cpplib.c (_cpp_check_directive): Set dirno and
3668 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
3669 (_cpp_handle_directive): Run # <number> through the same logic
3670 as normal directives.
3671 (do_define): Don't set parsing_define_directive. Use
3672 _cpp_scan_until. The list does not have a VSPACE at the end.
3673 (do_if): Save, clear, and restore only_seen_white around
3675 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
3676 (do_assert, do_unassert): Rewrite.
3678 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
3679 (LIST_OFFSET): New flag.
3680 (struct cpp_toklist): Replace dir_handler and dir_flags with
3682 (struct cpp_reader): Remove parsing_if_directive and
3683 parsing_define_directive.
3685 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3687 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
3688 following the cabs decl which terminate on the following line.
3689 Add the corresponding test_text case.
3691 2000-05-18 Neil Booth <NeilB@earthling.net>
3693 * cppinit.c (cpp_reader_init): Initialise col_adjust and
3694 default tab stop size.
3695 (no_num, OPT_ftabstop): New.
3696 (handle_option): Handle "ftabstop=" command-line option.
3697 (print_help): Document it.
3698 * cpplex.c (COLUMN): Remove.
3699 (handle_newline): Reset col_adjust.
3700 (skip_whitespace): Update col_adjust as tabs encountered.
3701 (_cpp_lex_line): Update to use col_adjust. Call
3702 skip_whitespace for all whitespace.
3703 * cpplib.h (struct cpp_options): New member tabstop.
3704 (struct cpp_reader): New member col_adjust.
3705 (CPP_BUF_COL): Update.
3706 (CPP_BUF_COLUMN): New.
3707 * cpp.texi: Document "-ftabstop=" command line option.
3709 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
3711 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
3713 * configure: Rebuilt.
3715 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
3717 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
3719 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
3720 HOST_BITS_PER_WIDE_INT is >= 64.
3722 2000-05-17 Richard Henderson <rth@cygnus.com>
3724 * jump.c (jump_optimize_1): Remove inactive but real insns
3725 in jump-to-next-insn optimization.
3727 2000-05-17 Richard Henderson <rth@cygnus.com>
3729 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
3730 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
3731 Don't call recompute_reg_usage if no_new_pseudos is true.
3732 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
3733 Return true if we did work; update global life information.
3734 * basic-block.h (optimize_mode_switching): Update decl.
3736 2000-05-17 Neil Booth <neilb@earthling.net>
3738 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
3740 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
3742 * cpplib.c: New feature, #pragma system_header.
3743 * cpp.texi: Document special treatment of system headers, and
3744 the various mechanisms to get a header that special treatment.
3746 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3748 * system.h (offsetof): Define at the very end, to ensure we prefer
3749 the platform's definition if available.
3751 2000-05-16 Bruce Korb <bkorb@gnu.org>
3753 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
3754 * fixinc/server.c: likewise
3755 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
3756 + #ifdef debugging code + use #def constant for
3758 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
3759 on C++ math namespace
3761 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3763 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
3764 Don't check the return value of sprintf. Use asprintf to avoid
3767 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
3769 * flags.h (warn_unused_function, warn_unused_label,
3770 warn_unused_parameter, warn_unused_variable, warn_unused_value):
3771 Replace ``warn_unused''.
3772 (set_Wunused): Add declaration.
3773 * toplev.c (set_Wunused): New function.
3774 (warn_unused_function, warn_unused_label, warn_unused_parameter,
3775 warn_unused_variable, warn_unused_value): New variables.
3776 (W_options): Add -Wunused-function, -Wunused-function,
3777 -Wunused-label, -Wunused-parameter, -Wunused-variable and
3778 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
3780 * toplev.c (decode_W_option): Update -Wunused flags by calling
3782 * c-decl.c (c_decode_option): Ditto for -Wall.
3784 * stmt.c (expand_expr_stmt, expand_expr_stmt,
3785 warn_about_unused_variables): Replace warn_unused with more
3786 explicit warn_unused_value et.al.
3787 * function.c (expand_function_end): Ditto.
3788 * c-typeck.c (internal_build_compound_expr,
3789 internal_build_compound_expr): Ditto.
3790 * c-decl.c (poplevel, pop_label_level): Ditto.
3791 * toplev.c (check_global_declarations): Replace warn_unused with
3792 check for either warn_unused_function or warn_unused_variable.
3794 * gcc.1, invoke.texi (Warning Options): Document
3795 -Wunused-function, -Wunused-function, -Wunused-label,
3796 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
3798 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
3800 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
3801 $(srcdir), not in the current directory.
3803 2000-05-16 Richard Henderson <rth@cygnus.com>
3805 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
3806 assembler supports it.
3807 (.fini, .init): Use a gp-relative indirect call.
3808 (__do_global_dtors_aux): Preserve the gp; rebundle.
3809 (__do_frame_setup): Likewise.
3810 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
3811 (.init): Use a gp-relative indirect call.
3812 (__do_global_ctors_aux): Preserve the gp.
3814 2000-05-16 Richard Henderson <rth@cygnus.com>
3816 * flow.c (commit_one_edge_insertion): Be prepared for a return
3817 insn to be inserted on the edge with a normal jump.
3818 * jump.c (jump_optimize_1): Don't look to create return isns.
3820 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
3821 * jump.c (jump_optimize_1): Likewise.
3822 (returnjump_p): Verify the argument is a JUMP_INSN.
3823 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
3825 2000-05-16 Nick Clifton <nickc@cygnus.com>
3827 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
3828 GET_RTX_CLASS (GET_CODE ()) == 'i'.
3829 (large_insn_p): Ditto.
3830 (m32r_is_insn): New function: Return true if the insn contains
3831 an executable instruction.
3832 (m32r_adjust_insn): Use m32r_is_insn.
3833 (m32r_sched_reorder): Use m32r_is_insn.
3834 (m32r_sched_variable_issue): Use m32r_is_insn.
3836 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3838 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
3841 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
3843 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
3844 according to given options.
3846 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
3848 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
3849 if X has VOIDmode either.
3850 (LIMIT_RELOAD_CLASS): Similarly.
3852 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
3853 not "general_operand" to match the processor's capabilities.
3855 2000-05-16 Bruce Korb <bkorb@gnu.org>
3857 * fixinc/README: corrected return address
3858 * fixinc/check.diff: regenerate, now that test works
3859 * fixinc/fixfixes.c(format_fix,format_write): reformatted
3860 (char_macro_def_fix,char_macro_use_fix): corrected and
3861 rewrote to use regex to parse the text
3862 * fixinc/inclhack.def: more testing
3863 * fixinc/fixincl.x: regenerated
3865 * fixinc/inclhack.def: added several "test_text" attributes
3866 changed several fixes to use `c_fix = format'
3867 re-alphabetized the fixes
3869 * fixinc/check.diff: regenerate
3870 * fixinc/fixincl.x: regenerate
3871 * fixinc/check.tpl: added `sparc' and `netinet' to the list
3875 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
3877 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3879 2000-05-15 Richard Henderson <rth@cygnus.com>
3881 * toplev.c (rest_of_compilation): Run full jump pass before
3882 find_basic_blocks of flow2.
3884 2000-05-15 Richard Henderson <rth@cygnus.com>
3886 * jump.c: Fix typos and clarify commentary from last change.
3887 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3888 (safe_to_remove_jump_p): Remove.
3889 (condjump_label): Use pc_set.
3891 2000-05-15 Richard Henderson <rth@cygnus.com>
3893 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3894 that get in the way after reload.
3895 (cond_exec_process_if_block): Skip a label heading THEN block.
3897 2000-05-15 Richard Henderson <rth@cygnus.com>
3899 * varasm.c (output_constant_pool): Abort instead of converting
3900 (improperly) deleted labels to zero.
3902 2000-05-16 Neil Booth <NeilB@earthling.net>
3904 * cpplex.c (parse_string2): Update comment.
3905 (cpp_lex_line): No special assertion treatment for '('.
3906 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3907 * cpplib.h (SYNTAX_ASSERT): Remove.
3909 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3911 * jump.c (condjump_p): Mark as depreached.
3912 (any_condump_p): New.
3913 (any_uncondump_p): New.
3915 (safe_to_remove_jump_p): New.
3916 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
3917 safe_to_remove_jump_p): Declare.
3919 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3921 * calls.c: Re-install both patches reverted by last patch.
3922 (struct arg_data): New field tail_call_reg.
3923 (initialize_argument_information): Initialize tail_call_reg
3924 (load_register_parameters): New argument flags, use
3925 tail_call_reg when emiting tail call sequence.
3926 (expand_call): Update call of load_register_parameters;
3927 copy unadjusted_args_size to adjusted_args_size.
3929 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3931 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3932 and bct_p parameters to flags.
3933 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3934 * rtl.h (loop_optimize): Update prototype.
3935 * toplev.c (rest_of_compilation): Update call of loop_optimize.
3937 2000-05-15 Jakub Jelinek <jakub@redhat.com>
3939 * calls.c (expand_call): Move expand_start_target_temps call after
3942 2000-05-15 Neil Booth <NeilB@earthling.net>
3944 * cpphash.c (trad_stringify, warn_trad_stringify,
3945 collect_params): Make some pointers pointers to const.
3946 * cpplex.c (auto_expand_name_space) Guaranteed to always
3947 expand by at least one character.
3948 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3949 (struct token_spelling): Use const U_CHAR * rather than PTR.
3950 (expand_name_space): Fix up token pointers if name space
3951 is moved when expanding.
3952 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
3953 parse_string2, save_comment, spell_token, cpp_output_list):
3954 Update so the routines handle tokens with a direct pointer to
3955 their text, rather than an offset into the token's list's namebuf.
3956 (_cpp_lex_line): Rearrange for clarity.
3958 * cpplib.c (_cpp_check_directive): Similarly.
3959 (do_define): Make SYM a pointer to const.
3960 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
3961 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3962 (TOK_OFFSET): Delete.
3965 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
3967 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3970 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3972 (logical_u_operand): Delete.
3973 (non_logical_cint_operand): Rewrite to take MODE into account.
3974 (non_logical_u_cint_operand): Delete.
3975 (boolean_operator): New function.
3976 (print_operand): Add new %q operand.
3977 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3978 remove logical_u_operand and non_logical_u_cint_operand,
3979 update logical_operand and non_logical_cint_operand.
3980 * config/rs6000/rs6000.md: Rewrite the patterns for performing
3981 logical operations to use %q.
3983 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3984 (movdi): Make similar to movsi.
3985 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3986 is no such thing as a DImode CONST_DOUBLE.
3987 * config/rs6000/rs6000.c (output_toc): Likewise.
3989 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3990 codes when old mnemonics are in use. Print register names
3991 for cc registers when requested.
3993 * optabs.c (expand_float): Don't allow mode widening that causes
3996 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3997 flags to their current names -maix64 and -maix32.
3999 2000-05-14 Bruce Korb <bkorb@gnu.org>
4001 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4002 and/or after current text of file
4003 * fixinc/fixlib.c(must_malloc):
4004 * fixinc/fixlib.h(must_malloc): + reformatting
4005 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4006 with usages of ``c_fix = wrap;''
4007 Add several tests and use the ``c_fix = format'' fixer more.
4008 * fixinc/fixincl.x: regen
4009 * fixinc/check.diff: regen
4010 * fixinc/check.tpl: emit the associated header with the missing
4013 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4015 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4016 variables $src and $dst.
4018 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4020 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4021 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4022 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4023 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4025 (set_message_prefixing_rule): Declare.
4027 * diagnostic.c: (current_prefixing_rule): New variable.
4028 (set_message_prefixing_rule): Define.
4029 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4030 (init_output_buffer): Adjust Initialization.
4031 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4033 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4035 * ifcvt.c (if_convert): Do not free NULL.
4037 2000-05-12 Nick Clifton <nickc@cygnus.com>
4039 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4040 to move a double word value.
4041 (di_operand): New function: Return true if the operand is suitbale
4042 for a double word move operation.
4043 (nonimmediate_di_operand): New function: Return true if the
4044 operand is a DImode register or MEM.
4046 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4047 nonimmediate_di_operand.
4049 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4050 nonimmediate_di_operand.
4052 * config/fr30/fr30.md (movdi): New pattern. Required because
4053 other patterns generate DImode results.
4054 (movdi_insn): New pattern.
4056 2000-05-12 Richard Henderson <rth@cygnus.com>
4058 * config/alpha/alpha.c (struct shadow_summary): Define
4059 bitfields as type unsigned int.
4061 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4063 * config/avr/t-avr: Added definition of FLOAT while generates
4066 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4067 peepholes for tst+jump = sbrs/sbrc optimization.
4069 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4071 * expr.c (emit_push_insn): Do not adjust stack pointer when
4074 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4076 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4077 * system.h (offsetof): ... to here.
4079 2000-05-12 Richard Henderson <rth@cygnus.com>
4081 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4082 * final.c (final_end_function): Use app_disable. Rearrange note
4083 handling into a switch. Emit deleted labels.
4084 (output_asm_label): Generate label strings for deleted labels.
4085 * flow.c (tail_recursion_label_list): New.
4086 (find_basic_blocks_1): Set label_value_list directly. Collect list
4087 of tail recursion labels from call_placeholders. Don't add deleted
4088 labels to the label value list.
4089 (cleanup_cfg): Use free_EXPR_LIST_list.
4090 (flow_delete_insn_chain): Turn non-removable labels into notes.
4091 (flow_delete_block): Don't disable deleting the block because of
4092 a non-removable label.
4093 (tail_recursion_label_p): New.
4094 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4096 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4098 (merge_blocks): Disable a merge because of tail recursion labels.
4099 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4100 Use a more accurate measure of not merging the join block.
4101 (find_if_block): Don't disable conversion because of a label.
4102 (find_if_case_1, find_if_case_2): Likewise.
4103 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4104 element when copying.
4105 (squeeze_notes): Also leave EH notes.
4106 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4108 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4110 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4111 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4112 referring to a deleted label. Convert tail handling to a switch.
4113 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4114 for NOTE_INSN_DELETED_LABEL.
4115 (NOTE): Fix commentary.
4116 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4117 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4118 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4119 (LABEL_NUSES, LABEL_REFS): Likewise.
4120 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4122 2000-05-12 Bruce Korb <bkorb@gnu.org>
4124 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4125 * fixinc/check.diff: updated
4126 * fixinc/inclhack.def: corrected & added some test_text-s
4127 * fixinc/genfixes: removed unneeded options to autogen invocation
4128 * fixinc/fixincl.tpl: Specified the output file
4129 * fixinc/fixfixes.c: visual appearance
4130 * fixinc/fixincl.x: regenerate
4132 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4134 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4135 CTRL_defn_fix): Delete.
4136 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4137 char_macro_def_fix and char_macro_use_fix, respectively. Put
4138 them into the FIXUP_TABLE. Get the string to search for from
4141 (format_write): New function.
4142 (format_fix): Use it.
4144 (FIX_PROC_HEAD): Constify text parameter.
4145 (machine_name_fix): Constify all char *s.
4146 * fixtests.c (skip_quote): Remove double static.
4148 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4149 ctrl_use_quotes): Update for new scheme.
4150 * fixincl.x: Regenerate.
4152 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4154 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4156 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4157 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4159 2000-05-11 Robert Lipe <robertlipe@usa.net>
4161 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4162 * fixincl.x: Regenerate.
4164 2000-05-11 Richard Henderson <rth@cygnus.com>
4166 * calls.c: Revert both 05-09 patches.
4168 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4170 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4172 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4175 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4176 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
4178 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
4180 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
4182 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4184 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
4186 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
4188 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
4189 * config/avr/avr.c (jump_over_one_insn_p): New function.
4190 * config/avr/avr.md: New peepholes added. Output test and
4191 conditional jump to "sbrc" or "sbrs" command.
4193 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
4195 * cppmain.c (main): Use IS_DIR_SEPARATOR.
4197 2000-05-11 Jakub Jelinek <jakub@redhat.com>
4199 * except.c (find_exception_handler_labels_1): New function.
4200 (find_exception_handler_labels): Split into two functions, dive
4201 into CALL_PLACEHOLDERs when looking for exception handler labels.
4203 2000-05-11 Stan Cox <scox@cygnus.com>
4205 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
4206 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
4207 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
4209 2000-05-11 Bruce Korb <bkorb@gnu.org>
4211 * fixinc/fixfixes.c (double_slash_fix): obsolete
4212 (else_endif_label_fix): obsolete
4213 (format_fix): new, unused as yet
4215 * fixinc/fixlib.h: added fix description struct for use by format_fix
4216 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
4217 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
4218 modules. Removed the vestiges of the script version.
4219 Added support for "make check".
4220 * fixinc/check.diff: base diff file (needs work!!)
4221 * fixinc/check.tpl: quiet the fixup output
4222 * fixinc/fixtests.c (main): obsolete
4223 * fixinc/fixincl.sh: don't bother copying fixincl to ..
4224 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
4226 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
4228 * toplev.c (rest_of_compilation): Remove dead code after
4231 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4233 * cpphash.c (collect_funlike_expansion): Make "# is not
4234 followed by a macro argument name" a pedwarn, not an error.
4235 Preserve the # in the output. Suppress the warning if lang_asm.
4237 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
4239 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
4240 * configure: Rebuilt.
4242 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
4244 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
4246 2000-05-10 Kazu Hirata <kazu@hxi.com>
4248 * combine.c (try_combine): Fix a typo.
4250 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
4252 * config/ia64/ia64.md (insv): Add comment.
4254 2000-05-10 Richard Henderson <rth@cygnus.com>
4256 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
4257 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
4258 dependancies on FPBIT and DPBIT.
4260 2000-05-10 Nick Clifton <nickc@redhat.com>
4262 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
4263 when optimising for size.
4264 (mark_used_regs:) Ditto.
4265 (try_pre_increment_1): Ditto.
4267 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
4269 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
4270 Make error message friendlier.
4272 * cpphash.h (struct hashnode): Use struct hack for name
4274 * cpphash.c (struct hashdummy): New.
4275 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
4276 (make_HASHNODE): No need to set ->name pointer. Correct
4278 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
4280 2000-05-10 Richard Henderson <rth@cygnus.com>
4282 * flow.c (find_basic_blocks_1): Remove any spare bb_note
4285 2000-05-10 Bruce Korb <bkorb@gnu.org>
4287 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
4289 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
4291 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
4292 after we enter .debug.
4294 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
4296 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
4297 abstract instance of a nested inline function.
4299 * stor-layout.c (finish_record_layout): finalize_type_size
4300 before laying out the pending_statics.
4302 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
4304 * cpplex.c (spell_token): New function.
4305 (spell_string, spell_comment, spell_name): fold into
4308 (E, H): Remove macros.
4309 (save_comment): Save comment opening characters too.
4310 (_cpp_lex_file): Update to use spell_token. Tidy up comment
4312 * cpplib.h (I, S): Add macros.
4313 (E, H): Remove macros.
4314 (TTYPE_TABLE): Update entries for new speller.
4315 (SYNTAX_ASSERT): Remove.
4317 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
4319 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
4320 when removing escaped newlines. Reverse sense of test for
4323 2000-05-09 Richard Henderson <rth@cygnus.com>
4325 * flow.c (find_basic_blocks_1): Do not delete the first
4326 bb_note we run across.
4327 (create_basic_block): Use reorder_insns to move an existing
4328 bb_note to the correct place.
4330 2000-05-09 Richard Henderson <rth@cygnus.com>
4332 * calls.c (expand_call): Increment currently_expanding_call
4333 before calling optimize_tail_recursion.
4335 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4337 * reload1.c (reload_combine): Fix errors in last change.
4339 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
4341 * gcc.c (used_arg): Skip over a semicolon at the end of the
4342 split-up loop; don't break out of it.
4344 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
4345 (tree.o): Depend on output.h.
4347 * c-decl.c (pending_invalid_xref_file,
4348 current_function_prototype_file): Constify.
4349 (pushdecl): Constify a local char *.
4350 (define_label): Constify filename parameter.
4351 * c-lex.c (init_parse): Constify parameter and return value.
4352 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
4353 * c-tree.h: Update prototypes.
4354 * c-parse.in: Constify filename member of %union, and if_stmt_file.
4355 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
4356 objc/objc-parse.c: Regenerate.
4358 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
4359 * dwarfout.h: Update prototypes.
4360 * expr.c (expand_expr): Constify a local char *.
4361 * flags.h: Constify main_input_filename.
4362 * function.c (expand_function_end): Constify filename parameter.
4363 * genrecog.c (make_insn_sequence): Use a character array for
4365 (main): Remove unused variables.
4366 * input.h: Constify input_filename, main_input_filename, and
4367 file_stack.name. Update prototypes.
4368 * output.h: Declare first_global_object_name and
4369 weak_global_object_name here, as const char *.
4370 * stmt.c (expand_asm_operands): Constify filename parameter.
4371 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
4372 Constify filename parameter.
4373 (input_filename, main_input_filename): Constify.
4374 * toplev.h: Update prototypes.
4375 * tree.c: Include output.h. Don't declare
4376 first_global_object_name or weak_global_object_name. Clean up string
4377 bashing in get_file_function_name_long.
4378 * tree.h (struct tree_decl): Constify filename member.
4379 (input_filename): Constify.
4381 * varasm.c (first_global_object_name, weak_global_object_name):
4383 (assemble_start_function, assemble_variable): Clean up string bashing.
4385 * gcc.c: Constify all spec-related strings initialized,
4386 transitively, from string constants. Constify all strings
4387 and string variables related to multilibs.
4388 (set_spec, read_specs): Cast argument to free to PTR.
4389 (used_arg): Do not modify multilib_matches. Use strncmp plus
4390 length comparison to compare multilib switches.
4391 * genmultilib: Constify everything declared in multilib.h.
4393 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
4395 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
4398 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
4400 * config/avr/avr-protos.h (extra_constraint): change a type of
4401 second argument from char to int to avoid warnings.
4402 (asm_output_byte): Likewise.
4404 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
4405 (initial_elimination_offset): Handle elimination from
4406 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
4407 (legitimate_address_p): Use MAX_LD_OFFSET.
4408 (legitimize_address): Likewise.
4409 (out_movqi_r_mr): Likewise.
4410 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
4411 (out_movsi_r_mr): Use MAX_LD_OFFSET.
4412 (out_movsi_mr_r): Likewise.
4413 (out_movqi_mr_r): Likewise.
4414 (out_movhi_mr_r): Likewise.
4415 (notice_update_cc): Correct CC for the ashrqi3 with the shift
4416 count as CONST_INT != 6.
4417 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
4418 shift count is a CONSTANT_P, but not a CONST_INT.
4419 (ashlhi3_out): Coding style modifications.
4420 (ashlsi3_out): Likewise.
4421 (ashrhi3_out): Likewise.
4422 (ashrsi3_out): Likewise.
4423 (lshrhi3_out): Likewise.
4424 (lshrsi3_out): Likewise.
4425 (ashrqi3_out): Generate shift for any known constant count without
4426 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
4427 but not a CONST_INT.
4428 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
4429 shift count is a CONSTANT_P, but not a CONST_INT.
4430 (extra_constraint): change a type of
4431 second argument from char to int to avoid warnings.
4432 (asm_output_byte): Likewise.
4433 (asm_file_end): Output size generated commands count as a hex
4436 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
4438 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
4440 (ashlqi3): Values of "length" attribute changed. Shift count
4441 uses constraints 'n' instead of 'i'.
4442 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
4443 shifts without clobber register.
4444 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
4445 (call_insn): Correct test for which_alternative == 1 (was 0).
4446 (call_value_insn): Likewise.
4448 * config/avr/t-avr: Remove definition of FLOAT while generates
4451 2000-05-09 Bruce Korb <bkorb@gnu.org>
4453 * fixinc/check.tpl: Template for checking fixes
4454 * fixinc/inclhack.def: Added 'test_text' for many fixes
4455 disable hpux8_bogus_inlines on SCO
4456 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
4458 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4460 * calls.c (expand_call): Reorganize somewhat in order
4461 to avoid unnecesary recalculation inside loop and make
4462 tail call failure code cleaner.
4464 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4466 * alias.c (nonlocal_reference_p): Minor reformatting.
4467 * reload.c (find_equiv_reg): Simplify logic for
4468 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
4469 some some reformatting.
4470 * reload1.c (reload_combine): Don't assume everything in
4471 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
4473 2000-05-08 Richard Henderson <rth@cygnus.com>
4475 * final.c (current_insn_predicate): New.
4476 (final_scan_insn): Set it.
4477 * output.h (current_insn_predicate): Declare.
4479 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
4480 Attach it to call insns.
4481 (cond_exec_process_if_block): Track probability for true and
4483 (dead_or_predicable): Likewise.
4485 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
4486 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
4487 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
4488 (estimate_probability, expected_value_to_br_prob): Use them.
4490 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
4491 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
4492 (ia64_expand_prediction): New.
4493 (emit_insn_group_barriers): Don't look at notes. Emit barriers
4494 as needed after calls.
4495 (ia64_epilogue_uses): Mark b0 used.
4496 * config/ia64/ia64.md (beq_true, beq_false): Remove.
4497 (bne_true, bne_false): Remove.
4498 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
4499 (br_true, br_false): New. Use predicate_operator and
4500 ia64_expand_prediction.
4501 (return_true, return_false): Likewise.
4502 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
4503 (call_internal1, call_value_internal): Likewise.
4504 (call_value_internal1, call_multiple_values_internal1): Likewise.
4506 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
4508 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
4510 2000-05-08 Richard Henderson <rth@cygnus.com>
4512 * rtlanal.c (may_trap_p): Consider old-style and volatile
4515 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
4517 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
4519 2000-05-08 Richard Henderson <rth@cygnus.com>
4521 * config/ia64/ia64.h (predicate_operator): Declare.
4523 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
4526 * gensupport.c (process_rtx): Copy and post-process each member
4527 of the define_insn rtvec individually.
4529 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
4531 * cpplex.c (spell_token): New function.
4532 (TOKEN_LEN): Add 1 for whitespace.
4533 (_cpp_lex_file): Update to use spell_token.
4534 * cpplib.h (E): Remove.
4535 (TTYPE_TABLE): Update CPP_VSPACE entry.
4537 2000-05-08 Richard Henderson <rth@cygnus.com>
4539 * flow.c (init_propagate_block_info): Watch out for conditional
4540 branch to next instruction, and thus one outgoing edge.
4542 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
4543 for global register variables; don't special case __[CD]TOR_LIST__;
4544 mind ggc_p for string allocation.
4546 2000-05-08 Nick Clifton <nickc@cygnus.com>
4548 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
4550 2000-05-08 Bruce Korb <bkorb@gnu.org>
4552 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
4553 i?86-*-msdosdjgpp* no longer uses fixincludes
4554 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
4555 * fixinc/inclhack.sh: deleted
4556 * fixinc/hackshell.tpl: deleted
4557 * fixinc/inclhack.tpl: deleted
4558 * fixinc/Makefile.in: Remove dependencies on above
4559 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
4561 2000-05-08 Andreas Jaeger <aj@suse.de>
4563 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
4566 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
4568 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
4571 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
4573 * cpplex.c: Move new lexer definitions and prototypes
4574 to top. Conditional include these and the code if
4575 NEW_LEXER is defined. Rename functions whose names
4576 clash if this code included.
4578 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
4580 * rtl.def (COND_EXEC): Clarify.
4582 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
4583 same fashion as zero_extendsidi2.
4585 2000-05-06 Richard Henderson <rth@cygnus.com>
4587 * config/ia64/ia64.c (predicate_operator): New.
4588 (ia64_print_operand): Handle 'J'.
4589 (rtx_needs_barrier): Handle COND_EXEC.
4590 * config/ia64/ia64.h (BRANCH_COST): Define.
4591 (PREDICATE_CODES): Update.
4592 * config/ia64/ia64.md: Docuement used unspec values.
4593 (attr predicable): New.
4594 (movxf, movxf_internal): New.
4595 (extendsfdf2): Don't comment out nop.
4596 (floatdidf2): Remove.
4597 (truncxfsf2, truncxfdf2, floatdixf2): New.
4598 (abssi2, absdi2): Put the neg in the "true" slot.
4599 (conditional branch instructions): Mark not predicable.
4600 (cmov*_internal): Use predicate_operator. Split to cond_exec.
4601 (abs*_internal): Likewise.
4602 (alloc, set_bsp): Mark not predicable.
4603 (barrier, insn_group_barrier, flush_cache): Likewise.
4604 (define_cond_exec): New.
4606 2000-05-06 Richard Henderson <rth@cygnus.com>
4608 * c-decl.c: Include "tm_p.h".
4610 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
4611 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
4612 (ia64_expand_op_and_fetch): Declare.
4613 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
4614 (setjmp_operand): Constify variables for XSTR.
4615 (ia64_encode_section_info): Likewise.
4616 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
4618 (ia64_asm_output_external): Constify name.
4619 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
4620 (process_for_unwind_directive): Provide switch default.
4621 (ia64_expand_compare_and_swap): Remove unused variables.
4622 (ia64_expand_builtin): Likewise.
4623 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
4626 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
4627 (symbolic_operand, function_operand, setjmp_operand): Likewise.
4628 (shift_count_operand, shift_32bit_count_operand): Likewise.
4629 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
4630 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
4631 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
4632 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
4633 (ia64_expand_builtin): Likewise.
4634 (call_multiple_values_operation): Make dest_regno unsigned.
4636 2000-05-06 Richard Henderson <rth@cygnus.com>
4638 * rtl.def (DEFINE_COND_EXEC): New.
4639 * md.texi: Document it.
4641 * gensupport.c (input_file): Remove.
4642 (struct queue_elem): Add lineno.
4643 (rtx_ready_queue): Remove.
4645 (predicable_default): New.
4646 (predicable_true, predicable_false): New.
4647 (define_attr_queue, define_attr_tail): New.
4648 (define_insn_queue, define_insn_tail): New.
4649 (define_cond_exec_queue, define_cond_exec_tail): New.
4650 (other_queue, other_tail): New.
4651 (queue_pattern): New.
4652 (process_rtx): Add patterns to the appropriate queues.
4653 (is_predicable, identify_predicable_attribute): New.
4654 (n_alternatives, collect_insn_data): New.
4655 (alter_predicate_for_insn, alter_test_for_insn): New.
4656 (shift_output_template, alter_output_for_insn): New.
4657 (process_one_cond_exec, process_define_cond_exec): New.
4658 (init_md_reader): Read the entire file. Process define_cond_exec.
4659 (read_md_rtx): Return elements from the queues.
4661 2000-05-06 Richard Henderson <rth@cygnus.com>
4663 * flow.c (mark_set_1): Don't update conditional life info
4664 if the register is not_dead.
4666 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4668 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
4669 (mostlyclean): Also delete fixincl, fixinc.sh, and
4670 specs.ready, and make clean in the fixinc subdir.
4672 2000-05-06 Richard Henderson <rth@cygnus.com>
4674 * Makefile.in (gensupport.o): Compile for the host.
4675 (host-prefix gensuuprt.o): Remove.
4676 (genflags.o): Depend on gensupport.h and OBSTACK_H.
4677 (genattrtab.o): Likewise.
4678 (gencodes.o): Depend on gensupport.h.
4679 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
4680 (genpeep.o, genattr.o, genoutput.o): Likewise.
4682 * gensupport.c (obstack, rtl_obstack): New.
4683 (init_md_reader): Initialize rtl_obstack.
4684 * gensupport.h (rtl_obstack): Declare.
4685 (message_with_line): Declare.
4687 * genattr.c: Remove all traces of obstack manipulation.
4688 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4689 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4691 * genattrtab.c (obstack, rtl_obstack): Remove.
4692 (main): Don't init rtl_obstack.
4693 * genflags.c: Likewise.
4695 * genrecog.c (message_with_line): Move ...
4696 * gensupport.c: ... here.
4698 2000-05-06 Richard Henderson <rth@cygnus.com>
4700 * c-typeck.c (build_c_cast): Remove dead code.
4702 2000-05-06 Richard Henderson <rth@cygnus.com>
4704 * flow.c (split_edge): Don't allocate global_live_at_start for
4705 the new block unless the old blocks had them as well.
4707 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
4709 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
4710 test_bb if a or b uses x.
4712 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4714 * cpphash.h: Remove conditional #define of __extension__.
4715 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
4716 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
4717 (ENABLE_RTL_CHECKING only).
4718 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
4719 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
4720 (ENABLE_TREE_CHECKING only).
4721 * varray.h: Add __extension__ to VARRAY_CHECK macro
4722 (ENABLE_CHECKING only).
4724 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4726 Use new tail-calling mechanism on ARM.
4727 * arm.md (sibcall, sibcall_value): New expands.
4728 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
4729 (tailcalling peepholes): Delete.
4730 (push_multi): Simplify.
4731 * arm.c (lr_save_eliminated): Delete definition.
4732 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
4733 (output_return_instruction): Remove checks on lr_save_eliminated.
4734 (output_arm_prologue): Remove old tail-calling code.
4735 (arm_output_epilogue): New parameter, really_return. All callers
4736 changed. Handle tail-calling epilogues.
4737 * arm.h (lr_save_eliminated): Delete declaration.
4738 (frame_pointer_needed): Delete declaration.
4739 * arm-protos.h (arm_output_epilogue): Adjust prototype.
4741 * arm.md (is_thumb): Examine symbol thumb_code, not expression
4743 * arm.c (thumb_code): Define it.
4744 (arm_override_options): Set it.
4745 * arm.h (thumb_code): Declare it.
4747 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4749 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
4751 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4753 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4754 bogus clobber to insns.
4755 (load_multiple_operation, store_mulitple_operation): Don't check
4757 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
4759 * arm.md (and_scc, ior_scc): Add missing mode.
4761 * arm.md (call_value_symbol): Remove predicate from op2.
4763 * arm.h (SPECIAL_MODE_PREDICATES): Define.
4765 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4767 * expr.c (get_subtarget): New function.
4768 (force_operand, expand_expr, do_store_flag): Use it.
4770 * toplev.c (compile_file): Don't take strlen of NAME if null.
4772 2000-05-06 David Edelsohn <edelsohn@gnu.org>
4774 * xcoffout.c (xcoff_current_include_file,
4775 xcoff_current_function_file, xcoff_lastfile): Constify char *.
4776 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
4778 (xcoffout_declare_function): Make name 'const char *'.
4779 (xcoffout_end_epilogue): Make fname 'const char *'
4780 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
4781 xcoffout_declare_function, xcoffout_source_line): Match above.
4783 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
4785 * rs6000.c (print_operand): Fix lossage typo.
4786 (output_cbranch): Remove "cr" decoration for now.
4787 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
4789 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
4791 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
4794 2000-05-05 Bruce Korb <bkorb@gnu.org>
4796 * fixinc/genfixes: Improve the matching for make target names
4798 2000-05-05 Catherine Moore <clm@cygnus.com>
4800 * c-common.c (decl_attributes): For TYPE_DECLs attach the
4801 attribute to the decl.
4802 * c-decl.c (pushdecl): Propagate the USED attribute to the
4805 2000-05-05 Richard Henderson <rth@cygnus.com>
4807 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
4808 same way emit_group_load does.
4810 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
4812 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
4814 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
4817 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
4819 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
4821 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
4823 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
4824 to support -shared, on platforms with dynamic libraries.
4826 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
4828 * system.h (S_ISBLK): Provide fallback definition.
4830 2000-05-05 Geoff Berry <geoffb@bops.com>
4832 * extend.texi (Extended Asm): Document inability to give asm
4833 statements access to condition codes.
4835 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
4837 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
4838 as arg 2 of UNIQUE_SECTION.
4840 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
4842 * predict.c: Remove May 4 change.
4843 * bb-reorder.c (make_reorder_chain): Do not perform block movement
4844 if we have predicted the branch at 50-50 probability.
4846 2000-05-05 Richard Henderson <rth@cygnus.com>
4848 * flow.c (init_propagate_block_info): Fix merge error
4849 in HAVE_conditional_execution code.
4851 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
4853 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
4854 shift cycle for unknown shift count. Also generates dec + brpl.
4855 (ashlqi3_out): Don't generate dec + brpl which now generates by
4856 `out_shift_with_cnt'.
4857 (ashlhi3_out): Likewise.
4858 (ashlsi3_out): Likewise.
4859 (ashrqi3_out): Likewise.
4860 (ashrhi3_out): Likewise.
4861 (ashrsi3_out): Likewise.
4862 (lshrqi3_out): Likewise.
4863 (lshrhi3_out): Likewise.
4864 (lshrsi3_out): Likewise.
4866 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4868 * gcc.c (free_split_directories): Correct typo in explanation
4869 of make_relative_prefix.
4871 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4873 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4874 comparison codes to branch_comparison_operator.
4876 2000-05-04 Richard Henderson <rth@cygnus.com>
4878 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4880 2000-05-04 Richard Henderson <rth@cygnus.com>
4882 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4883 (DPBIT_FUNCS): Remove _sf_to_usi.
4884 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4886 * ifcvt.c (noce_process_if_block): Fail if A or B modified
4887 between condition and jump.
4889 * libgcc2.c (near eh_context_specific): Comment #endif string.
4890 * longlong.h: Don't use strings with embedded newlines.
4892 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4894 * config/rs6000/rs6000-protos.h: Add output_cbranch.
4895 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4896 (print_operand): Delete %t and %T codes.
4897 (output_cbranch): New function. Support branch prediction.
4898 * config/rs6000/rs6000.md: Use output_cbranch for
4899 conditional branches and returns.
4901 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
4903 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4904 * stor-layout.c (place_field): Likewise.
4905 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4906 * expr.c (store_expr): Make align unsigned.
4907 * explow.c (plus_constant_wide): Make low words unsigned.
4908 * expmed.c (choose_multiplier): Likewise.
4909 * fold-const.c (fold): Likewise.
4910 * tree.h (build_int_2): Likewise.
4911 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4912 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4913 (init_emit): Change cast to unsigned char*.
4914 * varasm.c (compare_constant_1): Add cast to char*.
4915 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4916 * reload1.c (reload): Likewise.
4918 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4920 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
4922 * predict.c (estimate_probability): If no prediction was found, then
4923 predict the successor that is the next physical block (if such a
4926 2000-05-04 Richard Henderson <rth@cygnus.com>
4928 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4930 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4932 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4934 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
4936 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4937 attribute macros from here ...
4938 (CPP_SPEC): to here.
4939 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4940 (CPP_SPEC): Likewise.
4941 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4943 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4944 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4946 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4948 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4950 * diagnostic (vbuild_message_string, build_message_string,
4951 build_location_prefix, output_get_prefix, init_output_buffer,
4952 output_notice, vline_wrapper_message_with_location,
4953 v_message_with_decl, default_print_error_function): De-constify.
4954 (set_real_maximum_length): Prototype.
4956 * diagnostic.h (struct output_buffer, init_output_buffer,
4957 output_get_prefix, output_set_prefix): De-constify.
4959 * function.c (init_function_start): Constify.
4961 * gensupport.c (remove_constraints, process_rtx): Prototype.
4963 * gthr-posix.h: Indent uses of #pragma.
4965 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4968 * predict.c (find_expected_value): Delete prototype.
4969 (expected_value_to_br_prob): Initialize variable `ev_reg'.
4971 * sbitmap.h (debug_sbitmap): Prototype.
4973 * ssa.c (compute_coalesced_reg_partition): Prototype.
4975 * stor-layout.c (debug_rli): Prototype.
4977 * tree.h (round_down): Prototype.
4978 (init_function_start): Constify.
4980 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
4982 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4983 (overly conservative). Change extern inline wrappers to
4984 static inline, define them always, use PARAMS properly.
4985 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4986 whitespace warnings for \f and \v at the beginning of a line.
4988 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
4990 * haifa-sched.c (schedule_insns): Free the flow edge list when it
4993 2000-05-04 Bruce Korb <bkorb@gnu.org>
4995 * fixincl/inclhack.def: added broken_cabs -
4996 Remove `extern double cabs' declarations from math.h
4997 * fixincl/inclhack.sh: regen
4998 * fixincl/fixincl.x: regen
4999 * fixincl/fixincl.c: Remove BOGOSITY code
5000 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5002 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5004 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5006 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5007 when calling MEM_COPY_ATTRIBUTES.
5008 * emit-rtl.c (operand_subword, change_address): Likewise.
5009 * explow.c (stabilize): Likewise.
5010 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5011 * integrate.c (copy_rtx_and_substitute): Likewise.
5012 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5013 when calling MEM_COPY_ATTRIBUTES.
5014 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5016 * cse.c (gen_lowpart_if_possible): Likewise.
5017 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5018 * optabs.c (gen_move_insn): Likewise.
5019 * recog.c (validate_replace_rtx_1): Likewise.
5020 * simplify-rtx.c (add_mem_for_addr): Likewise.
5021 * stmt.c (expand_anon_union_decl): Likewise.
5022 * config/arm/arm.md: Likewise.
5023 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5024 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5025 (block_move_no_loop, block_move_sequence): Likewise.
5026 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5027 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5028 Clear MEM_ALIAS_SET.
5029 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5030 MEM_COPY_ATTRIBUTES.
5032 2000-05-03 Robert Lipe <robertlipe@usa.net>
5034 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5035 to suppress libgcc1.
5036 (i[34567]86-*-sco3.2v5*) Likewise.
5037 (i[34567]86-*-sco3.2v4*) Likewise.
5038 (i[34567]86-*-sco) Likewise.
5039 (i[34567]86-*-solaris2) Likewise.
5040 (i[34567]86-*-sysv5*) Likewise.
5041 (i[34567]86-*-sysv4*) Likewise.
5042 (i[34567]86-*-udk*) Likewise.
5043 (i[34567]86-*-sysv*) Likewise.
5045 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5047 * cpphash.h (U): New define, to correct type of string constants.
5048 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5049 routines, to do casts when passing unsigned strings to libc.
5050 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5052 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5053 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5054 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5055 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5056 second argument an U_CHAR *.
5058 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5059 length field, clean up initializer.
5060 (ISTABLE): Add __extension__ to designated-
5061 initializers version.
5062 * cpplex.c (CHARTAB): Likewise.
5064 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5065 case so the file won't be empty.
5067 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5069 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5070 (REORDER_BLOCK_SUCC): Removed.
5071 (enum reorder_skip_type): Removed.
5072 (skip_insns_between_block): Renamed to skip_insns_after_block.
5073 Removed second argument. Removed dead code and cleaned up.
5074 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5075 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5076 second parameter to skip_insns_after_block.
5078 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5080 * tree.c (staticp, case LABEL_DECL): New case.
5082 2000-05-03 Richard Henderson <rth@cygnus.com>
5084 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5086 * mklibgcc1.in: Fix typo last change.
5088 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5090 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5091 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5092 (GCC_CFLAGS): Use it.
5093 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5094 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5095 objc/Make-lang.in: Use it.
5097 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5099 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5101 2000-05-03 Richard Henderson <rth@cygnus.com>
5103 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5104 LIBGCC1 empty with libgcc1.null.
5106 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5108 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5111 2000-05-03 Greg McGary <gkm@gnu.org>
5113 * tree.h (tree_common): Add bounded_flag member. Remove
5114 inaccurate comment about number of remaining bits.
5115 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5116 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5117 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5118 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5119 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5120 (TYPE_QUAL_BOUNDED): New constant.
5121 (TYPE_QUALS): Handle bounded qualifier.
5122 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5123 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5124 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5125 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5126 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5127 (tree_type): Add pointer_depth member. Remove
5128 inaccurate comment about number of remaining bits.
5129 (DECL_POINTER_DEPTH): Add macro.
5130 (tree_decl): Add pointer_depth member.
5132 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5134 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5135 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5136 (lshrhi3_out): Likewise.
5137 (ashrsi3_out): bugfix in shift by 8.
5138 (test_hard_reg_class): New function.
5139 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5140 (ashlhi3): removed define_expand of this pattern.
5141 (*ashlhi3_insn): renamed to ashlhi3.
5142 (ashlsi3): removed define_expand of this pattern.
5143 (*ashlsi3_insn): renamed to ashlsi3.
5144 (ashrqi3): removed define_expand of this pattern.
5145 (*ashrqi3_insn): renamed to ashrqi3.
5146 (ashrhi3): removed define_expand of this pattern.
5147 (*ashrhi3_insn): renamed to ashrhi3.
5148 (ashrsi3): removed define_expand of this pattern.
5149 (*ashrsi3_insn): renamed to ashrsi3.
5150 (lshrhi3): removed define_expand of this pattern.
5151 (*lshrhi3_insn): renamed to lshrhi3.
5152 (lshrsi3): removed define_expand of this pattern.
5153 (*lshrsi3_insn): renamed to lshrsi3.
5155 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5157 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5158 inclusion of "system.h".
5160 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5162 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5165 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5167 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5168 if -mauto-pic is on.
5169 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5170 -mconstant-gp is in effect and function-descriptors are being used
5171 to make indirect calls.
5172 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5173 (MASK_AUTO_PIC): Ditto.
5174 (TARGET_CONST_GP): Ditto.
5175 (TARGET_AUTO_PIC): Ditto.
5176 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5177 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
5178 -mno-pic is in effect.
5179 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
5180 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
5181 -mauto-pic is in effect.
5182 (gprel64_offset): New pattern.
5183 (load_gprel64): Ditto.
5184 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
5185 -mconstant-gp is in effect, no need to preserve gp around direct
5187 (call_value): Ditto.
5188 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
5189 (FUNCTION_PROFILER): Define.
5190 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
5191 @fptr() directive when -mno-pic or -mauto-pic is in effect.
5192 (ASM_OUTPUT_DESTRUCTOR): Ditto.
5194 2000-05-03 Richard Henderson <rth@cygnus.com>
5196 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
5197 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
5198 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
5199 (mklibgcc, libgcc.mk): New targets.
5200 (libgcc.a): Use libgcc.mk.
5201 (stmp-multilib): Likewise.
5202 (stmp-multilib-sub): Remove.
5203 (mostlyclean): Don't delete libgcc2 temp files.
5204 * configure.in (AC_PROG_CC_C_O): Add.
5205 (NO_MINUS_C_MINUS_O): Substitute it.
5206 (all_outputs): Add mklibgcc.
5207 * mklibgcc.in: New file.
5209 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5211 * cppexp.c (op_t): Make an int.
5213 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
5215 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
5217 * gensupport.c (process_rtx): Fix macros used.
5219 2000-05-03 Richard Henderson <rth@cygnus.com>
5221 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
5222 call-clobbered registers of a call.
5224 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5226 * gensupport.c: New file.
5227 * gensupport.h: New file.
5228 * Makefile.in (HOST_RTL): Depend on gensupport.
5229 (gensupport.o) New rule.
5230 * genattr.c: Use gensupport for reading .md files.
5231 * genattrtab.c: Ditto.
5232 * gencodes.c: Ditto.
5233 * genconfig.c: Ditto.
5235 * genextract.c: Ditto.
5236 * genflags.c: Ditto.
5237 * genopinit.c: Ditto.
5238 * genoutput.c: Ditto.
5240 * genrecog.c: Ditto.
5241 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
5242 * md.texi (Insn Splitting): Document define_insn_and_split.
5244 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
5246 * flow.c (verify_flow_info): Added two more sanity checks. The
5247 first checks that the blocks are numbered consecutively. The second
5248 checks that n_basic_blocks is actually equal to the number of
5249 basic blocks in the insn chain.
5251 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5253 * cpplib.h: Add accessor macros for token lists.
5254 * cpplib.c, cpphash.c, cpplex.c: Use them.
5256 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5258 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
5259 memory usage if not in a function.
5260 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
5261 return address if static.
5263 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
5265 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
5266 whether address may trap.
5268 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
5270 * bb-reorder (chain_reorder_blocks): Changed code to test for
5271 EDGE_FALLTHRU rather than making erroneous assumption that the
5272 first outgoing edge is the fall-through edge.
5274 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
5276 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
5277 ABI for varargs, across all MIPS. This is incompatible because the
5278 va_list (__builtin_va_list) structure is different, so a compilation
5279 unit passing a va_list and a compilation unit being passed one, should
5280 both be compiled with the same ABI. (The old structure had two
5281 pointers, now it has three.)
5283 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
5285 * bb-reorder.c (struct reorder_block_def): Remove members end,
5286 block_begin, and block_end.
5287 (REORDER_BLOCK_OLD_END): Delete.
5288 (REORDER_BLOCK_BEGIN): Delete.
5289 (REORDER_BLOCK_END): Delete.
5290 (chain_reorder_blocks): Remove dead code.
5292 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
5294 * bb-reorder.c (remove_scope_notes): Check for both types of scope
5295 notes as the end of a basic block before deleting.
5297 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
5299 * final.c (final_start_function): Fix spelling of "necessary".
5301 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
5303 * toplev.c (debug_ignore_block): Return int.
5304 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
5305 * toplev.h, dwarf2out.h: Adjust.
5306 * emit-rtl.c (remove_unnecessary_notes): Test return value.
5308 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
5309 * toplev.c, final.c, rtl.h: Adjust.
5311 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5313 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
5314 * configure.in: Look for makeinfo in the unified tree, then
5315 for a system makeinfo which is sufficiently new.
5316 * Makefile.in: If configure says makeinfo is too old, don't
5317 build or install Info documentation.
5319 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5321 * cpphash.c (collect_params): Fix off-by-one error.
5322 (dump_hash_helper): Dump all four macro nodetypes.
5324 2000-05-02 Jakub Jelinek <jakub@redhat.com>
5326 * cpphash.c (trad_stringify): Adjust p after stringification as
5329 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5331 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
5332 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
5334 * cppfiles.c (file_cleanup): Delete.
5335 * cpphash.c (macro_cleanup): Delete.
5336 (collect_objlike_expansion, collect_funlike_expansion,
5337 macarg, scan_arguments): Remove CPP_POP case.
5339 * cpplex.c (null_cleanup): Delete.
5340 (cpp_pop_buffer): Do the work that was done in the cleanups
5341 here. Call _cpp_unwind_if_stack from here.
5342 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
5343 cpp_scan_buffer): Run until we see CPP_EOF and the top of
5344 stack is the buffer _below_ the one we stacked.
5345 (cpp_get_token): Always pop an exhausted buffer. Return
5346 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
5347 * cpplib.c (skip_if_group): Don't call cpp_get_token to
5348 increment the line number.
5349 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
5351 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
5352 we see CPP_EOF and the top of stack is the buffer _below_ the
5354 * scan-decls.c: Likewise.
5356 2000-05-02 Andrew Haley <aph@cygnus.com>
5358 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
5359 where this function is called for the second time on a decl that
5360 has had its section info changed in such a way as to move it out
5362 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
5364 2000-05-01 Richard Henderson <rth@cygnus.com>
5366 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
5367 the sequence we're moving, not to merge_bb->head.
5369 2000-05-01 Richard Henderson <rth@cygnus.com>
5371 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
5372 reference to alpha/t-linux.
5373 (alpha*-*-linux-gnu*): Likewise.
5374 * configure: Rebuild.
5376 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5378 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
5381 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
5383 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
5385 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
5388 2000-05-01 Richard Henderson <rth@cygnus.com>
5390 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
5391 emit_conditional_move.
5393 2000-05-01 Jakub Jelinek <jakub@redhat.com>
5395 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
5396 as the dynamic linker.
5398 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
5400 * cppfiles.c (open_include_file): Open file in blocking mode.
5401 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
5402 Only exclude block devices and directories.
5404 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
5405 static. Allocate the hashnode and its string in the same
5407 (del_HASHNODE): Don't free h->name.
5408 (_cpp_lookup): If there is no entry for this string, create
5409 one, of type T_VOID.
5410 (_cpp_lookup_slot): Delete.
5411 * cpphash.h: Update prototypes.
5413 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
5415 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
5416 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
5417 node here, just fill in the value field properly. "Delete"
5418 entries by setting the value field to T_VOID. Check for
5419 hp->type == T_VOID, not hp == NULL.
5421 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
5422 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
5425 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
5427 * config/mn10300/mn10300.c (print_operand_address): Do not add
5430 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
5431 adjusted by less than 256 bytes, use ret regardless of having any
5432 callee-saved register to restore.
5434 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
5436 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
5438 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
5440 * config/i386/djgpp.h (INT_ASM_OP): Define.
5441 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
5442 (ASM_WEAKEN_LABEL): Define.
5443 (MASK_BNU210): Define.
5444 (SUBTARGET_SWITCHES): Define.
5445 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
5446 (MAKE_DECL_ONE_ONLY): Define.
5447 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
5449 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
5451 * i386/cygwin.h (INT_ASM_OP): Define.
5453 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
5455 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
5456 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
5458 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
5460 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
5461 __tmp_reg__ and __zero_reg__ initialization.
5463 2000-04-30 Richard Henderson <rth@cygnus.com>
5465 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
5467 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
5468 referenced bewteen the condition and the jump. Don't delete
5469 anything but the jump.
5471 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
5473 * bb-reorder.c (scope_def): New struct.
5474 (scope_forest_info): New struct.
5475 (struct reorder_block_def): New member "scope".
5476 (REORDER_BLOCK_SCOPE): New macro.
5477 (relate_bbs_with_scopes): New function and prototype.
5478 (make_new_scope): Likewise.
5479 (build_scope_forest): Likewise.
5480 (remove_scope_notes): Likewise.
5481 (insert_intra_1): Likewise.
5482 (insert_intra_bb_scope_notes): Likewise.
5483 (insert_inter_bb_scope_notes): Likewise.
5484 (rebuild_scope_notes): Likewise.
5485 (free_scope_forest_1): Likewise.
5486 (free_scope_forest): Likewise.
5487 (dump_scope_forest): Likewise.
5488 (dump_scope_forest_1): Likewise.
5489 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
5490 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
5492 (reorder_basic_blocks): Added calls to build_scope_scope_forest
5493 and remove_scope_notes before reordering is done. Added calls to
5494 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
5495 after reordering is done.
5497 2000-40-30 Bruce Korb <bkorb@gnu.org>
5499 * fixinc/inclhack.def: Added definitions needed by OSR5,
5500 removed two stale entries (defined away with OLD_CPP).
5501 * fixinc/inclhack.sh: regen
5502 * fixinc/fixincl.x: regen
5504 2000-04-30 Richard Henderson <rth@cygnus.com>
5506 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
5507 from the last insn in the sequence.
5509 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
5511 * cpplex.c (cpp_idcmp): New function.
5512 * cpplib.h: Prototype it.
5513 * scan_decls.c (scan_decls): Use it to inspect token names.
5514 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
5515 the file being run through the preprocessor.
5516 (check_macro_names): Provide length of token to cpp_defined.
5518 * Makefile.in: Remove stale warning message.
5520 * cppfiles.c (redundant_include_p): Provide length of token to
5522 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
5523 values are unsigned int.
5524 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
5525 (_cpp_lookup_slot): Do not calculate the hash, either.
5526 * cpphash.h: Update prototypes.
5527 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
5528 Hashes are unsigned int. Calculate hash here, pass by value
5529 to _cpp_lookup_slot.
5531 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
5533 * simplify-rtx.c (check_value_useless): Delete function.
5534 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
5536 (cselib_invalidate_regno): Likewise.
5537 (cselib_invalidate_mem_1): Likewise.
5538 (references_value_p): Recognize useless values by the fact that they
5540 (discard_useless_values): Likewise.
5541 (cselib_record_set): This may turn a useless value
5544 2000-04-30 Richard Henderson <rth@cygnus.com>
5546 * config/d30v: New port.
5548 * configure.in (d30v-*): Set fp format.
5549 * configure: Rebuild.
5551 2000-04-30 Richard Henderson <rth@cygnus.com>
5553 * ifcvt.c: New file.
5554 * Makefile.in (OBJS): Add it.
5555 (ifcvt.o): New target.
5556 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
5557 and conditional arithmetic.
5558 (find_insert_position): Remove.
5559 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
5560 * toplev.c (DFI_ce, DFI_ce2): New.
5561 (dump_file): Add ce and ce2 dumps.
5562 (rest_of_compilation): Run if_convert a couple o times. Set
5563 cse_not_expected after cse2. Don't set no_new_pseudos until
5564 after sched1 or recompute_reg_usage.
5566 2000-04-30 Richard Henderson <rth@cygnus.com>
5568 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
5569 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
5571 2000-04-30 Richard Henderson <rth@cygnus.com>
5573 * flow.c (struct reg_cond_life_info): New.
5574 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
5575 (init_propagate_block_info): Initialize them.
5576 (free_propagate_block_info): Destruct them.
5577 (mark_set_1): Consider conditional life before killing a register.
5578 (mark_regno_cond_dead): New.
5579 (free_reg_cond_life_info): New.
5580 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
5581 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
5582 (mark_used_reg): Record conditional life.
5584 * haifa-sched.c (schedule_insns): Disable death counting
5585 sanity check for HAVE_conditional_execution.
5587 2000-04-30 Richard Henderson <rth@cygnus.com>
5589 * Makefile.in (TIMEVAR_H): New.
5590 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
5591 (timevar.h): Remove rule.
5593 2000-04-29 Richard Henderson <rth@cygnus.com>
5595 * config/alpha/crtend.asm: Use C comments instead of #.
5596 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
5598 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
5600 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
5602 * cpphash.h (enum node_type: Take out T_MCONST.
5603 (union hashval): Move into struct hashnode.
5604 (struct hashnode): Pack tighter. Remove file, line, col
5606 * cpphash.c: Constify most of the macro-definition structures.
5607 (struct definition): Replace by struct object_defn
5608 and struct funct_defn. Put file, line, column information
5609 here. All users updated to match.
5610 (_cpp_create_definition, _cpp_macroexpand): Remove special
5611 case for #define WORD OTHERWORD.
5612 * cpplib.c (do_undef): Remove T_MCONST case.
5614 * cpphash.h: Move struct reflist, struct definition, and the
5615 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
5616 union hashval. _cpp_free_definition takes a HASHNODE pointer.
5617 * cpphash.c (_cpp_free_definition): Free data pointed to by
5618 MCONST, XCONST, MACRO, and FMACRO nodes properly.
5619 (_cpp_create_definition, del_HASHNODE): Just call
5620 _cpp_free_definition to clear out a hashnode.
5621 * cpplib.c (do_pragma_poison): Likewise.
5623 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5625 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
5626 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
5627 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
5628 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
5629 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
5630 REGNO_AM33_P): Redefine in terms of the new macros.
5631 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
5632 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5633 STRUCT_VALUE): Likewise.
5634 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5635 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
5637 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
5639 * regmove.c (struct record_stack_memrefs_data): New.
5640 (record_stack_memrefs): New function.
5641 (combine_stack_adjustments_for_block): Use it.
5643 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5645 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
5646 use special_function_p to detect alloca.
5648 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
5650 * gcc.texi: Fixes for makeinfo 4.0 --html.
5652 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
5654 * pcp.h: Delete file.
5656 2000-04-28 Kazu Hirata <kazu@hxi.com>
5658 * h8300.c (function_epilogue): Clean up flags when the last insn
5659 in a function is a barrier.
5661 2000-04-28 Chris Demetriou <cgd@sibyte.com>
5663 * configure.in (sparc-hal-solaris2*): protect [] glob from
5665 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
5666 rather than hard-coded constants in target_cpu_default2.
5667 * configure: Regenerate.
5669 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5671 * tree.c (get_callee_fndecl): Extract the initial value from
5674 2000-04-28 Richard Henderson <rth@cygnus.com>
5676 * varasm.c (record_constant_1): Record the CODE_LABEL when
5677 taking the address of a LABEL_REF.
5679 2000-04-28 Richard Henderson <rth@cygnus.com>
5680 Jan Hubicka <jh@suse.cz>
5682 * calls.c (combine_pending_stack_adjustment_and_call): Return the
5683 adjustment; don't do the stack adjust.
5684 (expand_call): Call compute_argument_block_size right before
5685 allocating the block; update comment; don't do alignment sanity
5686 checking for sibling call; use args_size instead of
5687 unadjusted_args_size before args_size is adjusted. Use
5688 combine_pending_stack_adjustment_and_call to compute stack adjust
5689 for must_preallocate case.
5691 * expr.c (push_block): Remove shadow `temp' in inner scope.
5693 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5695 * toplev.c (rest_of_compilation): Call
5696 note_deferral_of_defined_inline_function even if the function
5699 2000-04-28 Scott Bambrough <scottb@netwinder.org>
5701 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
5703 2000-04-28 Richard Henderson <rth@cygnus.com>
5705 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
5707 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5709 * timevar.c (init_timevar): DeANSIfy function definition.
5711 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5713 * Makefile.in (timevar.o): Depend on flags.h.
5714 * timevar.c (unused_stack_instances): New variable.
5715 (timevar_push): Take a timevar_stack_def from
5716 unused_stack_instances if available.
5717 (timevar_pop): Push the popped timevar_stack_def onto
5718 unused_stack_instances.
5719 (TIMEVAR_ENABLE): New macro.
5720 (timevar_def): Make standalone a 1-bit field. Add field used.
5721 (get_time): Rename parameter to now. Return after clearing it if
5723 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
5724 (timevar_pop): Likewise.
5725 (timevar_stop): Likewise.
5726 (timevar_push): Likewise. Mark the timing variable as used.
5727 (timevar_start): Likewise.
5728 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
5729 timevars that were never used.
5731 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5733 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
5734 always TREE_READONLY.
5736 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
5738 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
5739 for call instruction with mode QImode.
5741 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5743 * Makefile.in (OBJS): Add timevar.o.
5744 (toplev.o): Depend on timevar.h.
5745 (ggc-simple.o): Likewise.
5746 (ggc-page.o): Likewise.
5747 (timevar.o): New rule.
5748 (timevar.h): New rule.
5750 * timevar.h: New file.
5751 * timevar.c: Likewise.
5752 * timevar.def: Likewise.
5754 * toplev.h (gc_time, parse_time, varconst_time): Remove.
5755 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
5757 (TIMEVAR): Remove macro.
5758 (gc_time, parse_time, varconst_time, integration_time, jump_time,
5759 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
5760 flow_time, combine_time, regmove_time, sched_time,
5761 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
5762 sched2_time, dbr_sched_time, reorder_blocks_time,
5763 rename_registers_time, shorten_branch_time, stack_reg_time,
5764 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
5766 (compile_file): Don't initialize time variables. Call
5767 init_timevar and start TV_TOTAL timer. Call timevar_print instead
5768 of many calls to print_time.
5769 (rest_of_compilation): Add timing for reload_cse_regs.
5770 (get_run_time): Removed to timevar.c.
5771 (print_time): Likewise.
5772 (get_run_time): Implement using TV_TOTAL time variable.
5773 (print_time): Get total run time from get_run_time.
5774 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
5775 computing elapsed time explicitly.
5776 * ggc-simple.c (ggc_collect): Likewise.
5777 (gc_time): Remove declaration.
5779 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5781 * calls.c (combine_pending_stack_adjustment_and_call): New function.
5782 (expand_call): Use it.
5784 2000-04-27 Jan Hubicka <jh@suse.cz>
5786 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
5789 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5791 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
5794 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
5796 * function.c (epilogue_done): Pass whole insn to record_insns.
5798 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
5800 * cse.c (CSE_ADDRESS_COST): Remove.
5801 (find_best_addr): Add new parameter "MODE", use address_cost instead
5803 (address_cost): New.
5804 (fold_rtx): Update call of find_best_addr.
5805 * rtl.h (address_cost): Declare.
5806 * loop.c (general_induction_var): Add new parameter "MODE", use
5807 address_cost instead of ADDRESS_COST
5808 (init_loop): Use address_cost instead of ADDRESS_COST.
5809 (check_insn_for_givs): Update call of general_induction_var.
5810 (find_mem_givs): Likewise.
5811 (consec_sets_giv): Likewise.
5812 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
5813 * i386.c (ix86_address_cost): New.
5814 * i386-protos.h (ix86_address_cost): Declare.
5816 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
5818 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
5821 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
5823 * expr.c (store_expr): Use clear_storage instead of direct memset
5826 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
5828 * config/mn10300/mn10300.c (mn10300_address_cost): Test
5829 ASHIFT, AND and LABEL_REF.
5831 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
5833 * invoke.texi (-foptimize-sibling-calls): Fix.
5835 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
5837 * loop.c (load_mems) Don't use hard registers for the hoisting.
5839 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
5840 calculation; rename const_equiv array in the preconditioning code
5841 from loop_unroll to loop_unroll_precondition
5843 2000-04-27 Richard Henderson <rth@cygnus.com>
5845 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
5847 (propagate_one_insn): Clear it. Don't update reg_live here.
5848 (init_propagate_block_info): Update for pbi member changes.
5849 (free_propagate_block_info): Likewise.
5850 (mark_set_1): Know that zero_extract, sign_extract, and
5851 strict_low_part don't kill their argument. Alter hard subregs.
5852 Update new_set for non-CLOBBER sets. Update reg_live.
5853 (find_auto_inc): Update reg_live, not new_dead.
5854 (mark_used_reg): Update reg_live, not new_live. Examine new_set
5855 to determine if the reg in question was set this insn. Only update
5856 reg info with PROP_REG_INFO.
5858 2000-04-26 Richard Henderson <rth@cygnus.com>
5860 * flow.c (allocate_reg_life_data): Set max_regno here ...
5861 (life_analysis): ... not here.
5863 * flow.c (calculate_global_regs_live): Force stack pointer
5866 2000-04-26 Richard Henderson <rth@cygnus.com>
5868 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
5869 commit change group changes.
5870 (invert_exp_1): Similarly.
5871 (redirect_exp, invert_exp): Use them.
5872 (redirect_jump_1): New.
5873 (invert_jump_1): New.
5874 (jump_optimize_1): Remove code subsumed by condexec.c.
5875 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
5877 2000-04-26 Richard Henderson <rth@cygnus.com>
5879 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5881 * genconfig.c (main): Set all HAVE_foo to 1.
5883 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5885 2000-04-26 Alex Samuel <samuel@codesourcery.com>
5887 * invoke.texi: Document -fssa flag.
5889 2000-04-26 Richard Henderson <rth@cygnus.com>
5891 * flow.c (count_reg_sets_1): Remove.
5892 (count_reg_sets, count_reg_references): Remove.
5893 (recompute_reg_usage): Implement with update_life_info.
5894 Reallocate life data.
5896 2000-04-26 Richard Henderson <rth@cygnus.com>
5898 * flow.c (update_life_info): Consider blocks null to mean the
5900 (calculate_global_regs_live): Likewise.
5901 (life_analysis): Do that instead of collecting all_blocks.
5903 2000-04-26 Richard Henderson <rth@cygnus.com>
5905 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5906 a still-valid conditional jump.
5908 2000-04-26 Richard Henderson <rth@cygnus.com>
5910 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5912 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5913 * flow.c (calculate_loop_depth): Remove.
5914 * output.h (calculate_loop_depth): Don't declare.
5915 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
5916 inline; run estimate_probability at the same time.
5918 2000-04-26 Neil Booth <NeilB@earthling.net>
5920 * cpplib.h: "~=" is not a single pp-token.
5921 * cpplex.c: Correct commentary.
5923 2000-04-26 Richard Henderson <rth@cygnus.com>
5925 * flow.c (mark_set_1): New arguments code and flags; update all
5926 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
5927 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
5928 loop_depth when optimizing for size. Do new_dead update after
5929 emitting REG_UNUSED notes. Merge mark_set_reg code.
5930 (mark_set_reg): Remove.
5931 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5932 arrange to not emit REG_UNUSED notes.
5934 2000-04-26 Richard Henderson <rth@cygnus.com>
5936 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5937 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5939 2000-04-26 Richard Henderson <rth@cygnus.com>
5941 * flow.c (propagate_one_insn): Break out from propagate_block.
5942 (init_propagate_block_info): Likewise.
5943 (free_propagate_block_info): Likewise.
5944 (propagate_block): Use them. Export.
5945 * basic-block.h: Declare them all.
5947 2000-04-26 Richard Henderson <rth@cygnus.com>
5949 * basic-block.h (life_analysis): Declare here ...
5950 * output.h: ... not here.
5951 * flow.c (life_analysis): Remove nregs parameter; replace
5952 remove_dead_code with flags. Remove ssa dead code check.
5953 Only init alias analysis if we'll use it.
5954 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
5955 * ssa.c (convert_to_ssa): Likewise.
5956 (convert_from_ssa): Likewise.
5957 * toplev.c (rest_of_compilation): Likewise.
5959 2000-04-26 Richard Henderson <rth@cygnus.com>
5961 * flow.c (flow_delete_block): Rename from delete_block. Export.
5962 * basic-block.h (flow_delete_block): Declare.
5964 2000-04-26 David S. Miller <davem@redhat.com>
5966 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
5967 taking a PATTERN of it.
5969 2000-04-26 <NeilB@earthling.net>
5971 * cpplex.c (spell_other, spell_char): Remove.
5973 (token_spelling, trigraph_map): Use unsigned chars.
5974 (_cpp_lex_line): Tidy up the switch statement.
5975 * cpplib.h: Implement spell_char with spell_string.
5978 2000-04-26 <RodneyBrown@pmsc.com>
5980 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5981 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5983 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5985 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5986 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5987 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5988 dwarf2out_return_save, dwarf2out_return_reg,
5989 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5990 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5991 gen_compile_unit_die, dwarf2out_init): Constify a char*.
5993 * dwarf2out.h (dwarf2out_init): Likewise.
5995 * dwarfout.c (filename_entry, primary_filename, last_filename,
5996 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5998 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5999 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6000 dwarf2out_return_reg): Likewise.
6002 2000-04-26 Andreas Jaeger <aj@suse.de>
6004 * extend.texi (Function Attributes): Fix description of pure
6007 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6009 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6010 before calling rest_of_compilation.
6012 2000-04-26 Andreas Jaeger <aj@suse.de>
6014 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6017 2000-04-25 Richard Henderson <rth@cygnus.com>
6019 * cse.c (cse_insn): Emit barrier after unconditional jump.
6021 * calls.c (expand_call): Disable tail call generation once
6022 rtx_equal_function_value_matters is false.
6024 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6027 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6029 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6031 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6033 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6034 is the primary DIE for a member function.
6035 (gen_decl_die): Call set_decl_origin_self here.
6036 * dwarfout.c (output_decl): And here.
6037 * integrate.c (output_inline_function): Not here.
6038 Don't clear DECL_INLINE until after calling rest_of_compilation.
6039 (set_decl_origin_self): No longer static.
6040 * tree.h: Add prototype.
6041 * toplev.c (note_deferral_of_defined_inline_function): Only write
6042 out abstract instance for actual inlines.
6044 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6046 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6047 EXTENDED_REGS only if TARGET_AM33.
6048 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6049 SP_REGS to register allocation and reloading unless absolutely
6051 (movsi3): Remove special-case of adding non-constants to SP.
6053 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6055 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6056 INCLUDES to search and does not provide any of its own. Also it
6057 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6058 parameters. Also it does not call AC_DEFINE.
6059 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6060 AC_DEFINE and provides for automatic entries for autoheader.
6061 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6063 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6064 so we can pass -I flags and include gansidecl.h/system.h in this
6067 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6069 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6071 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6072 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6073 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6075 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6076 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6077 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6078 for these macros. Clean up spacing and linewraps.
6080 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6082 * calls.c (expand_call): Use get_callee_fndecl.
6084 * print-tree.c (print_node): Print the chain of an _EXPR.
6086 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6087 Jim Wilson <wilson@cygnus.com>
6088 Andrew Haley <aph@cygnus.com>
6090 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6091 and gp save/restore problems.
6092 * config/ia64/crtend.asm: Add IA-64 unwind support.
6093 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6094 in fr_pad_size calculation.
6095 (save_restore_insns): Move PR save area. Correct uses of
6096 RTX_FRAME_RELATED_P.
6097 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6098 (ia64_expand_epilogue): Add eh_epilogue support.
6099 (ia64_function_prologue): Emit .prologue directive.
6100 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6101 (ia64_override_options): Set init_machine_status and
6102 mark_machine_status.
6103 (rtx_needs_barrier): Handle bsp reads and writes.
6104 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6105 New static variables.
6106 (process_set, process_for_unwind_directive): New functions.
6107 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6108 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6109 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6111 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6112 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6113 (struct machine_function): Define.
6114 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6116 2000-04-25 Bruce Korb <bkorb@gnu.org>
6118 * fixinc/Makefile.in: make the removal of old programs more
6120 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6121 install-bin and install-sh
6123 2000-04-25 Nick Clifton <nickc@cygnus.com>
6125 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6126 defined, define to return zero.
6127 (function_cannot_inline_p): If a function has any target
6128 specific attributes, then use the macro
6129 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6130 whether it can be inlined. If it cannot, issue a suitable
6133 * tm.texi: Add a new node 'Inlining' to document the new macro
6134 FUNCTION_ATTRIBUTE_INLINABLE_P.
6136 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6138 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6141 2000-04-25 Neil Booth <NeilB@earthling.net>
6143 Restore previous patch, plus the following fixes:
6145 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6146 flags, not CPP_OPEN_PAREN.
6147 * cpplex.c (expand_token_space, init_token_list,
6148 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6149 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6151 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6153 * config/i386/freebsd.h (INT_ASM_OP): Define.
6155 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6157 * loop.c (strength_reduce): Fix typo in the last checkin.
6159 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6161 * stor-layout.c (finalize_record_size): Simplify to use existing
6163 (compute_record_mode): No longer static.
6164 * tree.h (compute_record_mode): New declaration.
6166 2000-04-25 Neil Booth <NeilB@earthling.net>
6168 * Revert my patch below until cause of build failures
6171 2000-04-25 Richard Henderson <rth@cygnus.com>
6173 * combine.c (combine_instructions): Add missing argument
6176 * toplev.c (rest_of_compilation): Delay sibcall optimization
6177 until after emit_eh_context.
6179 2000-04-24 Nick Clifton <nickc@redhat.com>
6181 * combine.c (combine_instructions): Do not try to combine a
6182 sequence of insns when the second insn has been replaced by a
6185 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
6187 * gcc.c (load_specs): New static function.
6188 (read_specs): Use it.
6190 * gcc.c (lookup_compiler): Make multiple passes for case
6191 insensitive filesystems.
6193 2000-04-24 Neil Booth <NeilB@earthling.net>
6195 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
6196 * cpphash.h (_cpp_check_directive): new.
6197 * cpplex.c (handle_newline, cpp_free_token_list,
6198 init_trigraph_map, trigraph_ok, trigraph_replace,
6199 backslash_start, skip_block_comment, skip_line_comment,
6200 skip_whitespace, parse_name, parse_number, parse_string,
6201 copy_comment, _cpp_lex_line, spell_char, spell_string,
6202 spell_comment, spell_name, spell_other, _cpp_lex_file,
6203 _cpp_output_list): new.
6204 (expand_name_space): take length argument.
6205 (init_token_list): add comment list initialisation.
6206 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
6207 instead of HSPACE_BEFORE.
6209 * cpplib.c (_cpp_check_directive): new
6210 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
6211 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
6212 (HSPACE_BEFORE): delete.
6213 (TTYPE_TABLE): rearrange.
6214 (struct cpp_toklist): update.
6216 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6218 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
6219 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
6220 argument form of AC_DEFINE.
6222 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
6223 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
6224 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
6225 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
6226 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
6228 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
6230 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6232 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
6233 deduced.h): Use -isystem, not -I, for including system headers.
6235 2000-04-24 Nick Clifton <nickc@cygnus.com>
6237 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
6238 the source register is the frame pointer or arg pointer.
6239 (addsi3_small_int): Disallow if source register is the frame
6240 pointer or arg pointer.
6242 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6244 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
6245 call to AC_MSG_RESULT.
6247 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6249 * invoke.texi: Correct grammatical errors, document
6250 -fno-gnu-keywords as identical to -fno-asm for C++.
6252 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6254 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
6255 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
6256 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
6257 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
6258 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
6260 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
6261 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
6262 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
6263 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
6266 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
6268 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
6269 (pop_alignment): Likewise.
6270 (handle_pragma_token): Likewise.
6272 2000-04-24 Robert Lipe <robertlipe@usa.net>
6274 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
6276 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
6278 * combine.c (try_combine): Update reg_nonzero_bits of
6279 newi2pat before newpat.
6281 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
6283 * loop.c (strength_reduce): Simplify test to INSN_P.
6284 (record_giv): Attempt to simplify the add value, use CONSTANT_P
6285 expressions instead of CONST_INT.
6286 (express_from_1): Likewise.
6288 2000-04-24 Mark Mitchell <mark@codesourcery.com>
6290 * regs.h (reg_n_max): Don't declare.
6291 * flow.c (reg_n_max): Don't define.
6292 * regclass.c (renumber): Don't initialize to zero.
6293 (regno_allocated): Likewise.
6294 (reg_n_max): Define.
6295 (allocate_reg_info): Don't initialize unnecessarily.
6297 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
6299 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
6300 and blockage_p in the newly allocated attribute.
6302 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
6304 * config/mn10300/mn10300.md (addsi): `inc4' on address
6305 registers does not modify cc, but `inc' on an extended
6308 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
6310 * reload.c (find_equiv_reg): Checks all valueno regs
6311 as a reload_reg_p regs.
6313 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6315 * cpphash.c (collect_objlike_expansion): Add sanity check.
6316 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
6317 the buffer is the empty string, return. Mark __DATE__ and
6318 __TIME__ as XCONST nodes, not MCONST.
6319 (_cpp_macroexpand): Avoid pushing an empty buffer.
6320 (funlike_macroexpand): Don't pop token_buffer here.
6322 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
6324 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
6325 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
6326 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
6327 (REGNO_OK_FOR_BASE_P): Define in terms of them.
6328 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
6329 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
6330 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
6332 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6334 * loop.c (simplify_giv_expr): Be more agressive on simplifying
6337 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6339 * cpphash.h (struct definition): Move file, line, col members...
6340 (struct hashnode): ... here. Also add 'disabled' flag.
6341 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
6342 T_IDENTITY. Remove T_DISABLED.
6345 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
6346 (collect_expansion): Split into collect_objlike_expansion and
6347 collect_funlike_expansion.
6348 (_cpp_macroexpand): Split out scan_arguments, stringify, and
6349 funlike_macroexpand.
6350 (_cpp_compare_defs): Rename compare_defs, make static.
6351 (_cpp_make_hashnode): Initialize hp->disabled.
6352 (macro_cleanup): Adjust for new token types. Clear
6354 (_cpp_create_definition): Move code here to determine what
6355 sort of macro it is, and code to check for redefinitions, from
6356 do_define. Implement a few simple cases without creating a
6358 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
6359 Handle the simple cases.
6360 (push_macro_expansion): Set buf->has_escapes and hp->disabled
6363 * cppinit.c (builtin_array): Change MCONST to XCONST
6365 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
6366 fix check for disabled and function-like macros.
6367 * cpplib.c (do_define): Move most logic to
6368 _cpp_create_definition.
6369 (do_undef): Handle new special token types.
6371 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
6373 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
6374 of CONSTANT_P for mult_val; always use validate_change to update insn.
6376 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
6378 * cpphash.c (trad_stringify, add_pat): New functions.
6379 (collect_expansion): Restore support for -traditional syntax.
6380 Use trad_stringify and add_pat.
6381 (_cpp_macroexpand): Restore support for -traditional semantics.
6382 * cpplex.c (_cpp_scan_line): Don't change space_before if we
6383 get a COMMENT token.
6384 (_cpp_lex_token): Provide COMMENT tokens to caller if
6385 traditional and parsing_define_directive.
6386 (skip_comment): Warn about // comments if -Wtraditional.
6387 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
6389 (do_undef): Don't warn about undefining EMPTY nodes.
6391 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6393 * loop.c (strength_reduce): Fix biv removal code.
6395 2000-04-22 Richard Henderson <rth@cygnus.com>
6397 * predict.c (estimate_probability): Examine both sides of
6398 a branch for no exits. Use 90% not 50% for predict taken.
6399 Reorg for one copy of note generation code.
6401 2000-04-22 Richard Henderson <rth@cygnus.com>
6403 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
6405 2000-04-22 Richard Henderson <rth@cygnus.com>
6407 * diagnostic.c (init_output_buffer): Don't initialize format_args.
6408 (output_clear): Likewise.
6409 (output_printf): Use va_copy.
6410 (vline_wrapper_message_with_location): Likewise.
6411 (v_message_with_decl): Likewise.
6412 (line_wrapper_printf): VA_START infor buffer.format_args directly.
6413 * system.h (va_copy): Provide default implementation.
6415 2000-04-22 Richard Henderson <rth@cygnus.com>
6417 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
6418 the collected condition is not a constant.
6420 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
6422 * diagnostic.h: New file.
6424 * Makefile.in (diagnostic.o): Depends on diagnostic.h
6426 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
6427 various function prototypes.
6428 (diagnostic.h): #include.
6429 (struct output_buffer): Move into diagnostic.h.
6430 (get_output_prefix): Rename to output_get_prefix. Export.
6431 (init_output_buffer): Export. Break out. Ajust intialization.
6432 (output_space_left, output_append): Export.
6433 (output_newline): Rename to output_add_newline. Export.
6434 (output_clear): Nullify additional output_buffer fields.
6435 (output_puts): Rename to output_add_string. Export.
6436 (dump_output): Rename to output_flush_on. Export.
6437 (build_location_prefix): Constify return-type.
6438 (emit_output_prefix): Rename to output_emit_prefix. Export.
6439 (set_real_maximum_length): New function.
6440 (output_set_maximum_length): Ditto
6441 (output_clear): Ditto.
6442 (output_add_character): Ditto.
6443 (output_add_integer): Ditto.
6444 (output_add_space): Ditto.
6445 (output_format): Ditto.
6446 (output_printf): Adjust buffer initialization.
6447 (vline_wrapper_message_with_location): Ditto.
6448 (v_message_with_decl): Ditto. Adjust call to output_puts
6449 and get_output_prefix.
6450 (default_print_error_function): Adjust buffer intialization.
6452 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6454 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
6457 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
6459 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
6462 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6464 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
6465 accurate data about SP moves.
6467 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
6469 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
6470 aliases to AM33 registers.
6472 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6474 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
6475 to all EXTENDED bitmaps.
6477 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
6479 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
6480 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
6481 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
6483 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
6485 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
6486 the operand is not constant.
6488 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
6490 * reload.c (find_equiv_reg): Checks all valueno and regno regs
6491 as a call-clobbered regs.
6493 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6495 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
6497 * rtl.def: Update comment.
6498 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
6499 * integrate.c (expand_inline_function): Likewise.
6500 * profile.c (branch_prob): Likewise.
6501 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
6502 * print-rtl.c (print_rtx): Likewise.
6503 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
6504 (reemit_notes): Likewise; also use enum insn_note.
6506 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
6507 (place_field): Properly compute know and actual alignment.
6509 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
6512 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
6515 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
6517 * cpphash.c (struct arg, struct arglist): Const-ify strings.
6518 (warn_trad_stringify, duplicate_arg_p): New helper functions.
6519 (collect_expansion): Rewrite to scan over a token list.
6520 Remove -traditional support.
6521 (collect_formal_parameters): Rename to collect_params; rewrite
6522 to scan over a token list.
6523 (_cpp_create_definition): Adjust to scan a token list.
6524 (_cpp_macroexpand): Remove -traditional support.
6525 (_cpp_compare_defs): Whitespace is now canonicalized.
6526 (comp_def_part): Delete function.
6528 * cpphash.h: Update prototypes.
6529 * cpplex.c (init_token_list): Don't set lineno if there is no
6531 (pedantic_whitespace): New function.
6532 (_cpp_scan_line): Mark tokens that had hspace before. Don't
6533 consume a newline. Use pedantic_whitespace.
6534 (_cpp_lex_token): Remove support for -traditional macros.
6535 (_cpp_get_define_token): Delete.
6536 (_cpp_get_directive_token): Do the real work here. Use
6537 pedantic_whitespace.
6538 (_cpp_init_input_buffer): Initialize pfile->directbuf.
6540 * cpplib.c (get_macro_name): Delete.
6541 (do_define): Read the entire line into pfile->directbuf, then
6542 feed the token list to _cpp_create_definition.
6543 * cpplib.h (HSPACE_BEFORE): new define.
6544 (struct cpp_reader): Add a toklist member, "directbuf".
6546 * predict.c (estimate_probability): New heuristic: if a jump
6547 branches around a block with no successors, predict it taken.
6548 Disentangle control flow.
6550 2000-04-20 Richard Henderson <rth@cygnus.com>
6552 * loop.c (emit_iv_add_mult): Revert last change.
6554 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6556 * cpplib.h (enum cpp_ttype): Add token types for all
6557 punctuators. Distinguish pp-numbers from valid C numbers.
6558 Give some tokens better names. Initialize from macro.
6559 (struct cpp_name, cpp_token, cpp_toklist): New data
6562 * cpplex.c (bump_column, expand_name_space,
6563 expand_token_space, init_token_list, cpp_output_list,
6564 _cpp_scan_line): New functions.
6565 (output_line_command): Add third argument, new line number.
6566 * cpphash.h: Update prototypes.
6567 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
6570 2000-04-20 Richard Henderson <rth@cygnus.com>
6572 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
6574 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6576 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
6579 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
6581 * loop.c (emit_iv_add_mult): Simplify it's input and emit
6582 REG_EQUAL note explaining the calculated value.
6584 * calls.c (expand_call): Avoid unnecesary precalculation
6585 and outgoing parameters space guarding for sibling calls.
6586 (store_one_arg): Likewise.
6588 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6590 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
6591 (rest_of_compilation): Write sibling dump file and account
6592 for time as jump time.
6593 * invoke.texi: Update documentation on dump flags.
6595 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
6597 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
6599 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
6601 * cpphash.c (special_symbol): Represent an empty macro with
6602 "\r \r " not just "\r ".
6603 (_cpp_macroexpand): Correct condition for the foo ( ) special
6605 (unsafe_chars): Handle EOF as second argument.
6606 (push_macro_expansion): Simplify test for removing escape at
6607 end. Do not trim both escapes if there is no text in between.
6609 2000-04-19 Jim Blandy <jimb@redhat.com>
6611 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
6612 of PTR_SIZE, when appropriate.
6614 2000-04-19 Mark Mitchell <mark@codesourcery.com>
6616 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
6617 (USE_ENUM_BITFIELDS): Fix typo.
6619 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6621 * stor-layout.c (place_field): Set rli->offset_align properly.
6623 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6625 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
6626 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
6627 PARM_BOUNDARY): Remove unnecessary casts.
6629 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6631 * calls.c (precompute_arguments): Remove must_preallocate and
6633 (expand_call): Update call of precompute_arguments.
6635 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
6636 check_insn_for_givs): Break out from ...
6637 (strength_reduce) ... here; use for_every_insn_in_loop to call
6638 check_insn_for_givs.
6639 * loop.h (for_every_insn_in_loop): Declare.
6640 (loop_insn_callback): New type.
6642 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6644 * cpplib.c (do_pragma_poison): Strings in the token buffer are
6647 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
6649 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
6652 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6654 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
6656 * configure.in: Delete --disable-cpplib option and all
6657 references to cpp_main.
6658 * configure: Regenerate.
6659 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
6660 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
6661 cccp.o, cccp, or cppmain. Link cppmain.o straight to
6662 cpp$(exeext). Add --no-headers to makeinfo command line when
6663 generating INSTALL. Install and uninstall cpp.1 manpage, not
6665 * install.texi: Delete all references to cexp.y/cexp.c.
6666 Delete ancient instructions for compiling GCC on 3b1.
6667 * INSTALL: Regenerate.
6669 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
6670 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
6671 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
6673 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
6674 which is no longer tested anywhere.
6676 * cppinit.c (handle_option): Don't run error message through
6679 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6681 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
6682 * cpperror.c (hashtab.h): Now include.
6683 * cppexp.c (hashtab.h): Likewise.
6684 * cpplex.c (hashtab.h): Likewise.
6685 * cppfiles.c (hashtab.h): Likewise.
6686 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
6687 to htab_find_slot_with_hash.
6688 * cpphash.c (hashtab.h): Now include.
6689 (_cpp_lookup_slot): INSERT is now enum insert_option.
6690 * cpphash.h (_cpp_lookup_slot): Likewise.
6691 * cppinit.c (hashtab.h): Include earlier.
6692 (initialize_builtins): Pass enum to htab_find_slot.
6693 * cpplib.c (hashtab.h): Now include.
6694 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
6695 (do_pragma_poison, do_assert): Likewise.
6696 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
6697 htab_find_slot_with_hash.
6698 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
6699 * tree.c (type_hash_add): Likewise.
6700 (build1): Minor cleanup.
6702 * ggc-common.c: Add missing blanks.
6703 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
6704 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
6706 * stmt.c (mark_case_node): New function.
6707 (mark_case_nesting): Call it.
6709 * expmed.c (emit_store_flag): If comparing two-word integer
6710 with zero, can optimize NE, EQ, GE, and LT.
6712 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
6713 * conflict.c: Minor cleanups.
6714 * optabs.c: Add blank line
6715 * simplify-rtx.c: Minor cleanups.
6717 2000-04-18 Stan Cox <scox@cygnus.com>
6719 * gengenrtl.c (genlegend): Fix misspelling.
6721 2000-04-18 Robert Lipe <robertlipe@usa.net>
6723 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
6724 bitfields of the host compiler are not signed quantities.
6725 * config.in: Regenerate.
6726 * configure: Regenerate.
6727 * system.h (USE_ENUM_BITFIELDS): Added.
6728 (ENUM_BITFIELDS): Added.
6729 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
6730 (SHORT_ENUM_BUG): Deleted.
6731 * tree.h (tree_common): Members `code', `mode', `built_in_class',
6733 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
6734 (CODE_FIELD_BUG): Likewise.
6735 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
6737 * config/m68k/x-ccur (X_CFLAGS): Likewise.
6739 2000-04-18 Mark Mitchell <mark@codesourcery.com>
6741 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
6744 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6746 * cppexp.c (lex): Don't assume tokens are NUL terminated.
6747 * cpplib.c (do_include, do_import, do_include_next,
6748 read_line_number, detect_if_not_defined): Likewise.
6749 * cpphash.c (collect_expansion): Likewise.
6750 (special_symbol, _cpp_macroexpand): Check return from
6752 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
6753 macros. Delete all uses.
6755 * gcc.dg/cpp-mi.c: Add two more test cases.
6756 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
6758 2000-04-17 Richard Henderson <rth@cygnus.com>
6760 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
6761 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
6763 2000-04-17 Mark Mitchell <mark@codesourcery.com>
6765 * function.c (expand_function_start): Use hard_function_value to
6766 compute the RTL to use for DECL_RESULT.
6768 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6770 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
6771 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6772 x86_memory_mismatch_stall): New global variables.
6773 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
6774 alloved; fix load penalties for Athlon.
6775 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6776 x86_memory_mismatch_stall): Declare.
6777 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
6778 TARGET_MEMORY_MISMATCH_STALL): New.
6779 * i386.md (athlon scheduling parameters): Fix latencies according to
6780 Athlon Optimization Manual.
6781 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
6783 (fsqrt instruction patterns): Set athlon_decode to direct.
6784 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
6785 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
6786 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
6787 and TARGET_PARTIAL_REGISTER_STALL machines.
6788 (pushdf_nointeger): New pattern.
6789 (pushdf_integer): Rename from pushdf.
6790 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
6791 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
6793 2000-04-17 Richard Henderson <rth@cygnus.com>
6795 * loop.c (canonicalize_condition): Add WANT_REG argument.
6796 Stop the search if we match it.
6797 * expr.h (canonicalize_condition): Update decl.
6798 * predict.c (expected_value_to_br_prob): Use it. Track last
6799 expected value note.
6800 (find_expected_value): Remove.
6802 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
6804 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6806 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
6807 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6809 * configure.in: Call AC_FUNC_MMAP_FILE.
6810 * configure: Regenerate.
6811 * config.in: Regenerate.
6813 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
6814 * fixinc/fixincl.c: Likewise.
6816 2000-04-17 Richard Henderson <rth@cygnus.com>
6818 * builtins.c (expand_builtin_expect): New.
6819 (expand_builtin): Call it.
6820 * builtins.def (BUILT_IN_EXPECT): New.
6821 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
6822 * extend.texi: Document it.
6824 * predict.c (expected_value_to_br_prob): New.
6825 (find_expected_value): New.
6826 * basic-block.h (expected_value_to_br_prob): Declare.
6827 * toplev.c (rest_of_compilation): Invoke it.
6829 * rtl.h (NOTE_EXPECTED_VALUE): New.
6830 (NOTE_INSN_EXPECTED_VALUE): New.
6831 * rtl.c (note_insn_name): Update.
6832 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
6833 cases; handle NOTE_INSN_EXPECTED_VALUE.
6835 2000-04-17 Jakub Jelinek <jakub@redhat.com>
6837 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
6838 leaf sibcall delay slot if flag_pic.
6839 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
6841 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6843 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
6845 * fixproto: If fix-header fails, exit with an error.
6847 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6849 * cse.c (struct check_depdendence_data): New.
6850 (check_dependence): New function.
6851 (invalidate): Use check_depdenence.
6853 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6855 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
6856 UNITS_PER_WORD is unsigned.
6858 * tree.h (struct tree_common): Remove misleading comment.
6860 2000-04-16 Dave Pitts <dpitts@cozx.com>
6862 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6863 message in quotes. Otherwise, IBM's make program treats the '#' as the
6864 start of a comment and ignores the remainder of the line.
6866 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
6868 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6869 * cexp.y (initialize_random_junk): Likewise.
6870 * cppfiles.c (find_include_file): Cast alloca return value.
6871 * cppinit.c (initialize_standard_includes): Likewise.
6872 * cpplib.c (cpp_define, cpp_undef): Likewise.
6873 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6874 * final.c (output_asm_insn): Allow for holes in EBCDIC.
6875 * fold-const.c (CHARMASK): New.
6876 (real_hex_to_f): Use it.
6877 * real.c (CHARMASK): New.
6878 (etoasc, asctoeg): Use it.
6879 (asctoeg): EBCDIC lower case characters preceed upper case.
6881 * i370.c (mvs_add_label): Change spacing for coding conventions.
6882 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6883 outputing case vectors.
6884 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6885 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6886 since vector in in the data CSECT.
6887 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6888 * i370.md (Many patterns): Put the length in the XL directives.
6889 (movdi): Put back STM and MVC in definition.
6890 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6891 pattern using the TCA.
6892 * oe.h (CPP_SPEC): Added to allow trigraphs.
6893 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6894 not support the "long long" type.
6896 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6898 * config/mips/mips-protos.h (mips_legitimate_address_p): New
6900 (mips_reg_mode_ok_for_base_p): Likewise.
6901 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6902 (REG_OK_FOR_INDEX_P): Define unconditionally.
6903 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6904 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6905 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6906 that GET_MODE_SIZE is unsigned.
6907 (mips_reg_mode_ok_for_base_p): Define.
6908 (mips_legitimate_address_p): Likewise. Adjust now
6909 that GET_MODE_SIZE is unsigned.
6910 (block_move_loop): Make the number of bytes unsigned.
6911 (expand_block_move): Likewise.
6912 (function_arg): Make the loop counter unsigned to match the
6915 2000-04-16 Richard Henderson <rth@cygnus.com>
6917 * rtl.h (enum insn_note): New enumeration. Subsume
6918 NOTE_INSN_DELETED and friends.
6919 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6920 * rtl.c (note_insn_name): Tweak string order.
6922 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
6924 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6927 * cpplex.c (output_line_command): Remove debugging prints.
6928 (cpp_output_tokens): Don't write out a zero-length buffer or
6929 try to see if it has a newline in it.
6930 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
6931 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
6932 the end of the loop. Use memmove. Don't read past the end of
6933 the buffer. Remove trailing newlines from error messages.
6935 2004-04-16 Neil Booth <NeilB@earthling.net>
6937 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6938 * cpplib.c: Add new syntax flags to directive table, and
6941 2000-04-15 Ulrich Drepper <drepper@redhat.com>
6943 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6946 2000-04-15 David Edelsohn <edelsohn@gnu.org>
6948 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
6949 * haifa-sched.c: Update -fsched-verbose comments to use "=".
6951 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6953 * Makefile.in (ggc-page.o): Now includes toplev.h.
6954 * ggc-page.c (toplev.h): Now included.
6955 (gc_time): Remove declaration.
6956 (ggc_collect): TIME now long.
6957 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
6959 * toplev.h (gc_time, parse_time, gc_time): New declarations.
6961 * toplev.c: Make *_time variable long to reduce chance of overflow.
6962 (TIMEVAR): Likewise for `otime'.
6963 (print_time): Arg is now long; compute percentage in FP and round.
6964 * toplev.h (print_time): Arg is long.
6966 * tree.c: Minor whitespace changes.
6968 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6969 * configure: Rebuilt.
6970 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6971 (__fixunsxfDI): Renamed from __fixunsxfdi.
6972 (__fixunsdfDI): Renamed from __fixunsdfdi.
6973 (__fixunssfDI): Renamed from __fixunssfdi.
6974 (__floatdisf): Use proper type in REP_BIT macro.
6975 (__fixunsxfSI): Renamed from __fixunsxfsi.
6976 (__fixunsdfSI): Renamed from __fixunsdfsi.
6977 (__fixunssfSI): Renamed from __fixunssfsi.
6978 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6979 Change location of macros and upper-case some names as above.
6980 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6981 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6983 * varasm.c (assemble_variable): Add cast to remove warning.
6984 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6986 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6987 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6988 region number to -1.
6990 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
6992 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6993 call unshare_all_rtl.
6995 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6997 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
6999 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7000 Use .s1 not .s0 for all FP instructions.
7002 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7004 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7006 (safe_fwrite, output_line_command): New static functions.
7007 (cpp_expand_to_buffer): Now private to cpplib.
7008 (cpp_scan_buffer): Take a printer.
7010 * cpphash.h: Update prototypes.
7011 * cpplib.h: Update prototypes.
7013 (cpp_buffer): Remove last_nominal_fname.
7014 (cpp_reader): Remove lineno.
7016 * cppmain.c: Use a cpp_printer.
7017 * fix-header.c: No need to inhibit line commands. Call
7018 cpp_start_read with no printer.
7020 * cpperror.c (cpp_notice_from_errno): Provide default name.
7021 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7022 (find_include_file, cpp_read_file): Use make_IHASH.
7023 (file_cleanup): Set control_macro and clear
7024 input_stack_listing_current here.
7025 (_cpp_execute_include): Don't output entering-file marker.
7026 * cpphash.c (special_symbol): Look for the line number in the
7027 buffer, not the reader.
7028 (_cpp_macroexpand): No need to disable line commands.
7029 (_cpp_dump_definition): No need to generate line commands.
7030 (dump_hash_helper): Remove excess newline from output.
7031 * cppinit.c (dump_special_to_buffer): No need to generate line
7033 (cpp_printer_init): New.
7034 (cpp_start_read): Take a printer, and start it up if it's not
7035 NULL. No need to generate line commands.
7036 (cpp_finish): Expect no buffers stacked at all. Take a
7037 printer argument, and flush the output buffer if it's not
7039 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7040 Don't put two hashes at the beginning of an assertion.
7041 (cpp_get_token): Don't increment pfile->lineno or emit line
7042 commands here. Return EOF if there's no buffer when we get
7044 * cpplib.c (do_define, skip_if_group):
7045 No need to disable line commands.
7046 (_cpp_output_line_command): Delete function.
7047 (do_line): Don't emit line commands here, but set things up so
7048 they will be emitted if necessary. Use _cpp_fake_ihash to
7049 make unique nominal_fnames if necessary.
7050 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7051 with 0 for column, not -1.
7052 (_cpp_handle_eof): Don't set the control macro here. Don't
7053 clear input_stack_listing_current here. Don't emit line
7056 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7058 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7059 always, use the default SVR4 start address.
7061 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7062 (LINK_SHLIB_SPEC): Define.
7063 (LINK_START_DEFAULT_SPEC): Define.
7064 (LINK_OS_DEFAULT_SPEC): Define.
7066 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7068 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7069 __do_global_ctors to handle constructors.
7070 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7071 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7072 (STARTFILE_MVME_SPEC): Likewise.
7073 (STARTFILE_SIM_SPEC): Likewise.
7074 (ENDFILE_ADS_SPEC): Use crtend.
7075 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7076 (ENDFILE_MVME_SPEC): Likewise.
7077 (ENDFILE_SIM_SPEC): Likewise.
7078 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7079 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7080 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7081 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7082 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7083 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7084 (CRTSTUFF_T_CFLAGS_S): Define.
7085 * config/rs6000/eabi-ctors.c: Delete.
7087 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7090 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7094 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7096 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7097 plus mask size is smaller or equal to the mode size.
7099 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7101 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7104 * expr.c (reload.h): Now included.
7105 (emit_block_move): Set volatile_ok when checking for movstr.
7106 (emit_move_1): Check for replacements in addresses in multi-word case.
7107 * Makefile.in (expr.o): Now includes reload.h.
7109 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7110 Never have a LIBCALL end a basic block.
7111 (find_basic_blocks_1): Likewise.
7112 Reorganize CALL_INSN cases.
7114 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7116 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7118 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7119 completers from mov.ret instruction.
7121 2000-04-14 Richard Henderson <rth@cygnus.com>
7123 * fold-const.c (extract_muldiv): Don't distribute and widen
7124 multiply across plus for non-sizetype unsigned types.
7126 2000-04-14 Richard Henderson <rth@cygnus.com>
7128 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7129 If the original source is dead in the incr insn, it's dead now.
7131 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7133 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7134 see if DECL_BIT_FIELD needs to still be set.
7136 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7138 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7139 print_int_cst_octal with something that's not an INTEGER_CST.
7141 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7142 and not a SUBREG to a FLOAT rtl.
7144 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7146 * emit-rtl.c (try_split): Avoid infinite loop if the split
7147 results in a sequence that contains the original insn.
7149 2000-04-13 Andreas Jaeger <aj@suse.de>
7151 * config/mips/mips.c (expand_block_move): Pass alignment
7152 argument to move_by_pieces in bits, not bytes.
7154 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7155 __pic__ for little endian.
7157 2000-04-13 Andreas Jaeger <aj@suse.de>
7159 * config/i386/i386-protos.h: Add prototype for
7160 uno_comparison_operator.
7162 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7164 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7165 * calls.c (ECF_PURE): New flag.
7166 (emit_call_1): Handle ECF_PURE calls.
7167 (initialize_argument_information): Unset ECF_PURE flag too.
7168 (precompute_arguments): Precompute for ECF_PURE too.
7169 (expand_call): Handle ECF_PURE calls too.
7170 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7171 accept value of 2 as pure function.
7172 (emit_library_call_value, emit_library_call): Rename no_queue argument
7174 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7176 * tree.h (DECL_IS_PURE): New macro.
7177 (struct tree_decl): Add pure_flag.
7178 * c-common.c (enum attrs): Add attribute "pure".
7179 (init_attributes): Initialize attribute "pure"
7180 (decl_attributes): Handle attribute "pure".
7181 * extend.texi (Attribute "pure"): Document.
7182 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
7184 (flags_from_decl_or_type): Support attribute "pure".
7186 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
7188 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
7189 the token except for numbers and identifiers.
7191 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
7193 * i386.c (ix86_expand_binary_operator,
7194 ix86_expand_unary_operator): Check no_new_pseudos
7195 instead of reload_in_progress and reload_completed.
7196 (ix86_split_ashldi, ix86_split_ashrdi,
7197 ix86_split_lshrdi): Check no_new_pseudos instead
7198 of reload_completed.
7200 2000-04-12 Jeffrey A Law (law@cygnus.com)
7202 * function.c (purge_addressof): Unshare any shared rtl created by
7203 purge_addressof and its children.
7205 2000-04-12 Mark Mitchell <mark@codesourcery.com>
7207 * function.c (aggregate_value_p): VOID_TYPE nodes are never
7210 2000-04-05 Andreas Jaeger <aj@suse.de>
7212 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
7213 not compiling PIC code, add flags for mabi=64.
7214 (SUBTARGET_CPP_SIZE_SPEC): New.
7215 (SUBTARGET_CPP_SPEC): New.
7216 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
7217 for MIPS/Linux and lots of code needs these defines.
7219 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
7221 * reorg.c (fill_slots_from_thread): Check side_effects_p when
7222 trying the "opposite arithmetic" approach.
7224 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7226 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
7227 (struct sh_args): Add new field force_mem.
7228 (INIT_CUMULATIVE_ARGS): Initialize it.
7229 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
7231 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7233 * calls.c (expand_call): Do not reverse args in "equal from" field.
7234 (emit_library_call_value_1): Emit_libcall_block for const and pure
7237 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7239 * reload1.c (reload_combine): Don't enable optimization for fixed
7240 registers when encountering a BARRIER.
7242 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
7244 * builtins.c (expand_builtin_memcmp): Do expansion even with
7245 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
7247 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
7248 stack is propertly aligned; add sanity checking for aligned
7250 (expand_library_call_value_1): Add sanity checking for aligned
7253 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
7255 * calls.c (emit_library_call_value_1): Change 3rd arg to
7256 locate_and_pad_parm to disregard the setting of partial.
7258 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7260 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
7262 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
7263 CALL_INSN from the normal case.
7265 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
7267 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7268 New global variables.
7269 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
7271 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7273 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
7274 TARGET_ADD_ESP_8): New macros.
7275 * i386.md: Add peep2s to convert esp adjustments to push and pop
7277 (pushsi_prologue, popsi_epilogue): New patterns.
7279 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7281 * real.c (toe64): Remove stale #endif from the last change.
7283 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
7285 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
7286 * real.c (toe64): Revert previous change.
7288 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7290 * objc/objc-act.c: Include ggc.h.
7291 (objc_tree_index, objc_global_trees): Convert most of the
7292 static tree variables into a static array with previous names
7294 (objc_ellipsis_node): New variable.
7295 (lang_init): Call objc_act_parse_init and c_parse_init.
7296 Create objc_ellipsis_node.
7297 (build_selector_translation_table): Use objc_ellipsis_node instead
7299 (hack_method_prototype): Likewise.
7300 (get_arg_type_list): Likewise.
7301 (start_method_def): Likewise.
7302 (continue_method_def): Likewise.
7303 (gen_method_decl): Likewise.
7304 (ggc_mark_imp_list): New function.
7305 (ggc_mark_hash_table): New function.
7306 (objc_act_parse_init): New function.
7307 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
7308 * c-parse.in (c_parse_init): For objc add roots of objc specific
7309 local tree variables.
7310 * objc/objc-parse.y: Rebuilt.
7311 * objc/objc-parse.c: Rebuilt.
7312 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
7314 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
7316 * cse.c (delete_trivially_dead_insns): Also delete insns
7317 that copy a register to itself where the destination is
7320 2000-04-11 Richard Henderson <rth@cygnus.com>
7322 * flow.c (struct propagate_block_info): Add new_dead, new_live.
7323 (propagate_block): Initialize them. Use them in parallel instead
7324 of one tmp variable, ie revert much of the 0408 and 0407 functional
7325 changes, but keep the structural changes.
7326 (mark_set_regs): Take new_dead from propagate_block_info instead.
7327 (mark_set_1, mark_set_reg): Likewise.
7328 (mark_used_regs): Likewise with new_live.
7329 (mark_used_reg): Likewise. Revert 0408 change.
7331 2000-04-11 Nick Clifton <nickc@cygnus.com>
7333 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
7335 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
7337 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7339 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
7340 const section to output a CONSTRUCTOR based on the same conditions
7343 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
7345 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
7346 * pa/pa-protos.h (output_call): Add additional argument indicating
7347 if the call is a sibling/tail call.
7348 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
7349 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
7350 (function_arg, function_arg_partial_nregs): Likewise
7351 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
7352 (emit_move_sequence): Zero extend certain constants as needed
7354 (compute_zdepdi_operands, output_64bit_and): New functions.
7355 (output_64bit_ior, function_arg): Likewise.
7356 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
7357 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
7358 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
7359 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
7360 (output_bvb): Likewise.
7361 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
7362 (output_call): New argument 'sibcall'. Generate sibcall sequences
7364 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
7365 (ouput_arg_descriptor): Do not emit argument descriptors for
7367 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
7369 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
7370 (FUNCTION_OK_FOR_SIBALL): Define.
7371 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
7372 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
7373 (CPP_SPEC): Use new spec infrastructure.
7374 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
7375 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
7376 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
7377 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
7378 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
7379 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
7380 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
7381 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
7382 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
7383 (FUNCTION_ARG); Call out to C code.
7384 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7385 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
7386 (MIN_UNITS_PER_WORD): Likewise.
7387 * pa/pa.md (cmpdi): New expander.
7388 (scc patterns, movstrsi): Not available for TARGET_64BIT.
7389 (64bit conditional arithmetic): New patterns.
7390 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
7391 (movsicc): Not available if modes on all the operands to not match.
7392 (movdicc): New expander and associated patterns.
7393 (64bit branches): New patterns.
7394 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
7395 (pre_ldd, post_std): New patterns.
7396 (64bit addil, load low part): New patterns.
7397 (special movsf constant): Not available for TARGET_64BIT.
7398 (movsf, movdf expanders): Force constants into memory.
7399 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
7400 (64bit movdf/movdi patterns): New patterns.
7401 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
7403 (extendqidi2, extendhidi2, extendsidi2): Similarly.
7404 (adddi3 expander): Allow "arith_operand" for second input.
7405 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
7406 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
7407 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
7408 (muldi3): New expander for TARGET_64BIT.
7409 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
7411 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
7412 patterns for TARGET_64BIT.
7413 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
7414 patterns for TARGET_64BIT.
7415 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
7416 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
7417 (sibcall_epilogue): New expander.
7418 (casesi): Tweak for TARGET_64BIT.
7419 (call expanders): Set & use the outgoing argument pointer. Use the
7420 64bit call patterns as needed. Add additional arg to output_call.
7421 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
7422 (sibcall, sibcall_internal_symref): New expanders.
7423 (sibcall_value, sibcall_value_internal_symref
7424 (interspace_jump): Turn into an expander + matching patterns.
7425 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
7426 * pa/pa64-regs.h: Eliminate trigraph sequences.
7427 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
7429 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
7431 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
7432 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
7433 cpp_token with cpp_ttype everywhere.
7434 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
7435 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
7436 CPP_BUF_COL. Line and column numbers are unsigned int, not
7438 * cpplex.c (cpp_buf_line_and_col): Delete.
7439 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
7440 'long lineno' to 'unsigned int lineno'.
7441 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
7443 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7445 * extend.texi: ISO C99 is not a draft anymore.
7446 * invoke.texi: ISO C++ is not a draft anymore.
7447 * cpp.texi: __cplusplus is required by the ISO standard.
7449 * extend.texi (-fthis-is-variable): Undocument.
7450 * flags.h (warn_template_debugging): Remove declaration.
7451 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
7452 -Wenum-clash, -Wtemplate-debugging): Undocument.
7454 2000-04-10 Nick Clifton <nickc@cygnus.com>
7456 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
7458 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
7460 (ARM_SIGN_EXTEND): Use HOST_UINT.
7461 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
7462 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
7463 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
7464 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
7466 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
7467 (arm_gen_constant): Use HOST_UINT.
7468 (arm_canonicalize_constant): Use HOST_UINT.
7469 (arm_reload_in_hi): Use HOST_UINT.
7470 (arm_reload_out_hi): Use HOST_UINT.
7471 (output_multi_immediate): Use HOST_UINT.
7472 (int_log2): Use HOST_UINT.
7473 (arm_poke_function_name): Use HOST_UINT.
7474 (arm_output_epilogue): Use arm_volatile_func().
7475 (output_thumb_prologue): Use arm_strip_name_encoding().
7477 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7479 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
7480 of sequence point problems.
7482 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
7484 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
7486 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
7488 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7490 * sbitmap.h: Whitespace changes and use upper-case macro args.
7491 (struct simple_bitmap_def): All sizes now unsigned.
7492 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
7493 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
7494 (sbitmap_vector_alloc): Parms and local vars now unsigned.
7495 (sbitmap_zero): Cast bzero arg to PTR.
7496 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
7497 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
7498 loop to make structure clearer.
7499 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
7500 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
7501 (sbitmap_a_and_b_or_c): Likewise.
7502 (sbitmap_intersection_of_succs): Minor cleanups.
7503 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
7504 (sbitmap_union_of_preds): Likewise.
7505 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
7506 (debug_sbitmap): New function.
7508 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
7509 * c-typeck.c (convert_for_assignment): Likewise.
7511 * expmed.c (init_expmed): Don't free objects we make.
7512 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
7514 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
7515 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
7517 * gcse.c (expr_hash_table_size): Now unsigned.
7518 (compute_ae_gen): Local variable `i' now unsigned.
7519 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
7520 (compute_transout, hoist_code): Likewise.
7521 (compute_local_properties): Likewise, also hash_table_size.
7522 (alloc_expr_hash_table): N_INSNS now unsigned.
7523 (delete_null_pointer_checks): Mark arg F as unused.
7525 * regrename.c: Minor cleanups, including chang some variables
7528 2000-04-10 Neil Booth <NeilB@earthling.net>
7530 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
7532 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
7534 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7536 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
7537 __classof__, and __headof__ from the list of gnu keywords.
7538 (-ansi): Remove -foperator-names from list of implied options.
7539 Do not call it ANSI C++.
7540 (-foperator-names): Document as -fno-operator-names.
7542 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
7544 * cpphash.c (timestamp): Delete.
7545 (del_HASHNODE): If type is T_MCONST, free value.cpval.
7546 (special_symbol): Remove unnecessary braces. Remove
7547 T_VERSION. Treat T_STDC like T_CONST unless
7548 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
7549 when one is encountered, then convert them into T_MCONST
7551 * cppinit.c (builtin_array): version_string is T_MCONST.
7552 __STDC__ has a "1" in its cpval. Don't have a terminator
7553 entry. Clean up which entries are dumped.
7554 (initialize_builtins): Only __STDC__ gets the special
7555 -traditional treatment. Count the length of builtin_array.
7556 Render version_string here.
7557 * cpphash.h: Remove T_VERSION. Add T_MCONST.
7558 * cpplib.h (struct cpp_reader): Remove timebuf.
7560 2000-04-09 Richard Henderson <rth@cygnus.com>
7562 * genrecog.c (pred): Update comparison_operator for the unordered
7565 * config/i386/i386.c (no_comparison_operator): Disallow unordered
7567 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
7568 (uno_comparison_operator): New.
7569 (put_condition_code): Handle UNORDERED/ORDERED.
7570 (unsigned_comparison): Likewise.
7571 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
7572 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
7573 (ix86_expand_fp_compare): Use them. Take scratch as argument,
7574 update all callers. Handle all 8 unordered operators.
7575 (ix86_expand_setcc): Lose the unordered argument, update all callers.
7576 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
7577 * config/i386/i386.h (PREDICATE_CODES): Update.
7578 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
7579 (ix86_expand_branch, ix86_expand_setcc): Update.
7580 * config/i386/i386.md (sunordered, sordered): New.
7581 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
7582 (bunordered, bordered): New.
7583 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
7584 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
7585 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
7587 2000-04-09 Philip Blundell <philb@gnu.org>
7589 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
7591 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
7593 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
7594 fix_truncxfhi2): New patterns.
7595 * i386.c (output_fix_trunc): Handle converting to HImode.
7597 2000-04-08 Alex Samuel <samuel@codesourcery.com>
7599 * ssa.c (convert_to_ssa): Eliminate dead code when calling
7601 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
7602 (for_each_successor_phi): Change parameter to basic_block.
7603 (coalesce_regs_in_successor_phi_nodes): Likewise.
7604 (coalesce_regs_in_copies): Likewise.
7605 (compute_coalesced_reg_partition): Use basic_block instead of index.
7606 * rtl.h (convert_to_ssa): Delete.
7607 (convert_from_ssa): Likewise.
7608 (successor_phi_fn): Likewise.
7609 (for_each_successor_phi): Likewise.
7610 (in_ssa_form): Likewise.
7611 * basic-block.h (convert_to_ssa): Moved from rtl.h.
7612 (convert_from_ssa): Likewise.
7613 (successor_phi_fn): Likewise.
7614 (in_ssa_form): Likewise.
7615 (for_each_successor_phi): Likewise. Change parameter to basic_block.
7616 * flow.c (calculate_global_regs_live): Pass a basic_block to
7617 for_each_successor_phi.
7619 2000-04-08 Richard Henderson <rth@cygnus.com>
7621 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
7622 was modified in the current insn.
7624 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7626 * arm/thumb.md: Delete.
7627 * arm/thumb-protos.h: Delete.
7629 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7631 Merge changes from merged-arm-thumb-backend-branch onto trunk.
7633 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7635 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
7638 * arm.md (nop): Use the standard RTL expression. Don't code as a
7640 (*arm_nop, *thumb_nop): Delete.
7642 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
7643 constants. Use casts instead.
7644 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
7645 output_multi_immediate, arm_poke_function_name): Likewise.
7646 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
7647 MASK_RETURN_ADDDR): Likewise.
7649 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
7651 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
7654 * arm.md (eh_epilogue): New function.
7655 * arm.h (struct machine_function): Move to here ...
7656 * arm.c: ... from here.
7657 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
7658 (thumb_exit): Extra parameter eh_ofs. All callers changed.
7659 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
7661 2000-03-30 Nick Clifton <nickc@cygnus.com>
7663 * config/arm/semi.h (ASM_SPEC): Restore definition.
7664 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7666 * config/arm/elf.h (ASM_SPEC): Restore definition.
7667 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7669 * config/arm/arm.h (ASM_SPEC): Remove definition.
7670 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
7672 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7674 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
7676 2000-03-24 Nick Clifton <nickc@cygnus.com>
7678 Various formating tidyups, elimination of compile time
7679 warnings and synchronisation with internal sources:
7681 * config/arm/arm-protos.h (assemble_align): Add prototype.
7682 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7683 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7684 (arm_return_addr_rtx): Rename to arm_return_addr.
7686 * config/arm/arm.c: Include except.h.
7687 Define shorter typenames for strict minipool_node and struct
7689 (arm_return_in_memory): For WinCE return all structures <= 32 bits
7691 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7692 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7694 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7696 (ASM_SPEC): Define if not already defined.
7697 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
7699 * config/arm/arm.md: Rename references to gen_rotated_half_load to
7700 arm_gen_rotated_half_load, and references to gen_comapre_reg to
7701 arm_gen_compare_reg.
7702 (indirect_jump): Only accept register operands.
7703 (load_indirect_jump): Keep this pattern since combine can generate
7706 * config/arm/coff.h: Include aout.h.
7707 (MULTILIB_DEFAULTS): Only define if not already defined.
7709 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
7710 into arm.h (so that COFF ports can support thumb based aliases).
7711 (ASM_SPEC): Move definition into arm.h
7713 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
7714 redundant apcs spec.
7715 (ASM_SPEC): Move definition to arm.h
7717 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
7719 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
7720 for entries in the .bss section
7722 2000-03-23 Nick Clifton <nickc@cygnus.com>
7724 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
7725 to thumb_far_jump_used_p.
7727 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
7728 single integer parameter.
7730 * config/arm/arm.c (struct machine_function): Add two new
7731 fields, 'far_jump_used' and 'arg_pointer_live'.
7732 (thumb_far_jump_used_p): Once the decision has been made that
7733 far jumps might be used, always return true.
7734 If being called from the initial elimination offset macro then
7735 do not bother to perform the test if the arg pointer is not
7737 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
7738 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
7740 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
7742 * arm.c (output_return_instruction): Handle more cases where we can
7743 return from a function with an ldr instruction.
7744 (arm_output_epilogue): Likewise.
7746 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
7747 if we need to push a large stack frame and there are no callee-saved
7750 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
7751 in ARM code if the frame pointer has been eliminated.
7753 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
7754 unspec_volatile arguments to avoid duplicates.
7755 (consttable_1, consttable_2): Fixes for big-endian mode.
7757 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
7760 Re-write constant pool code.
7761 * arm.c (minipool_node, minipool_fix): New types.
7762 (minifix): Delete type.
7763 (arm_add_minipool_constant): Delete.
7764 (arm_compute_minipool_offsets, arm_find_barrier,
7765 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
7766 (get_jump_table_size): Now returns HOST_WIDE_INT.
7767 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
7769 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
7770 (assign_minipool_offsets, arm_print_value): Likewise.
7771 (dump_minipool): Rewrite.
7772 (arm_barrier_cost): New function.
7773 (create_fix_barrier): New function.
7774 (push_minipool_barrier): New function.
7775 (push_minipool_fix): Record additional information about the fixup
7777 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
7778 check the mode of what needs fixing.
7779 (arm_reorg): Rewrite.
7781 2000-03-08 Nick Clifton <nickc@cygnus.com>
7783 * config/arm/arm.md (indirect_jump): Force constant addresses into
7786 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
7788 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
7790 2000-02-24 Nick Clifton <nickc@cygnus.com>
7792 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
7793 adjust is word aligned.
7794 (thumb_expand_epilogue): Make sure that stack adjust is word
7797 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
7799 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
7801 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
7802 pointer relative addresses.
7804 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
7806 * arm.c (find_barrier): Find the last barrier within the allowed
7809 2000-02-09 Nick Clifton <nickc@cygnus.com>
7811 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
7813 2000-02-09 Nick Clifton <nickc@cygnus.com>
7815 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
7816 ARM_FUNCTION_PROFILER.
7818 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
7819 ARM_FUNCTION_PROFILER.
7821 * config/arm/linux-oldld.h: Imported from mainline sources.
7823 2000-02-07 Nick Clifton <nickc@cygnus.com>
7825 * config/arm/lib1funcs.asm: Merge in thumb functions from
7828 * config/arm/lib1thumb.asm: Delete.
7830 2000-02-04 Nick Clifton <nickc@cygnus.com>
7832 * config/arm/arm.c: Sychronised with current Red hat local
7834 * config/arm/arm.h: Ditto.
7835 * config/arm/arm-protos.h: Ditto.
7837 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
7839 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
7841 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
7844 2000-02-02 Nick Clifton <nickc@cygnus.com>
7846 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
7848 * config/arm/arm.md (epilogue): Fix rtl checking abort because
7849 (return) was emited using an emit_insn() call.
7851 2000-01-31 Nick Clifton <nickc@cygnus.com>
7853 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
7855 (thumb_exit): Move frame pointer back into hard frame pointer
7856 register if backtracing is being used.
7858 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
7860 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7863 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
7865 * config/arm/arm.md (neg_pool_offset): Provide default for new
7867 (arm_movsi_insn): Add neg_pool_offset attribute.
7868 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7869 rtx for the insn that starts the scan and an unsigned long for its
7870 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
7871 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
7872 instructions in *PINSERTED.
7873 (struct minipool_fixup): Add MIN_ADDRESS elt.
7874 (sort_fixups): Compute it.
7875 (arm_reorg): Changes to support inserting pools before the insn to be
7878 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7880 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7881 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7882 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7884 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
7886 * config/arm/semi.h (TARGET_VERSION): Do not define if already
7888 (TARGET_DEFAULT): Do not define if already defined.
7890 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
7892 * config/arm/arm.md (anddi3): Allow disjoint source operands.
7893 (iordi3): Allow disjoint source operands.
7894 (xordi3): Allow disjoint source operands.
7895 (negdi2): Permit construction for ARM and Thumb.
7896 (arm_negdi2): Renamed version of old negdi2 pattern.
7897 (thumb_negdi2): New pattern: Only permit non-overlapping
7898 source and destination.
7900 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
7902 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7903 scratch low register so that it will not be deleted.
7905 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
7907 * config/arm/pe.h (ARM_PE): Define.
7909 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7910 interfacearm attribute if this is a PE toolchain.
7911 (output_return_instruction): Do not emit anything if the function
7912 has the naked attribute set.
7913 (is_called_in_ARM_mode): If the function has the interfacearm
7914 attribute then return true.
7915 (thumb_expand_prologue): Do not generate a prologue for naked
7917 (thumb_expand_epilogue): Do not generate an epilogie for a naked
7919 (output_thumb_prologue): Do not bother if the function is naked.
7920 Strip PE encoding from function name before emitting.
7922 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7924 * arm.md (pic_load_addr): Fix constraints.
7926 * arm.md (casesi_insn): Fix mis-applied patch.
7928 * arm.md ("core" function unit): Add rules for single- and
7930 (All TARGET_THUMB patterns): Add "type" attribute information
7932 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7933 the following insn is a CALL.
7935 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7937 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7938 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7939 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7941 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
7943 * config/arm/linux-gas.h: oops - this file was missed out when the
7944 branch was created...
7946 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
7948 * thumb.c: Deleted. Move contents to ...
7950 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7952 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7955 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
7956 declare a prototype for asm_output_align();
7958 * arm.c (thumb_condition_code): Delete.
7959 (arm_print_operand): Always use arm_condition_code array.
7961 * arm.c (thumb_return_addr_rtx): Delete.
7962 (arm_save_machine_status, arm_restore_machine_status): Delete.
7963 (arm_init_machine_status, arm_mark_machine_status): New functions.
7964 (arm_init_expanders): Update accordingly.
7965 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
7966 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7967 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7969 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
7971 * configure.in : Fix arm-*-aout target to use new t-arm-aout
7973 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7976 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
7978 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7979 stack backtrace structure.
7981 * config/arm/arm-protos.h: Add prototypes for functions defined in
7984 * config/arm/arm.c (arm_override_options): Fix selection of
7985 attributes of default processor.
7987 * config/arm/coff.h: Delete needless #include.
7989 * config/arm/pe.c: Delete unused code.
7991 * config/arm/pe.h (CPP_DEFINES): Delete
7992 (SUBTARGET_CPP_SPEC): Define.
7993 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7995 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7997 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
7999 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8001 (CAN_DEBUG_WITHOUT_FP): Define.
8002 (FIXED_REGISTERS): Make r11 call-saved.
8003 (CALL_USED_REGISTERS): Likewise.
8004 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8005 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8006 frame-pointer is required.
8007 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8008 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8009 if the target normally needs a stack frame in non-leaf functions.
8010 (use_return_insn): Correct logic for determining when a return
8011 instruction can be used.
8012 (output_return_instruction): Handle the frame-pointer register as
8013 a normal register when not TARGET_APCS_FRAME.
8014 (arm_output_prologue): Likewise.
8015 (arm_output_epilogue): Likewise.
8016 (output_func_epilogue): Likewise.
8017 (arm_expand_prologue): Likewise.
8018 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8020 * arm.c (use_return_insn): No need to check floating point regs if
8022 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8023 the code of value stored in the minipool array.
8024 (arm_add_minipool_constant): Likewise.
8026 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8028 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8030 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8032 * tree.c (tree_expr_nonnegative_p): New function.
8034 * tree.h (tree_expr_nonnegative_p): Declare.
8036 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8037 elide some sign_compare warnings.
8038 (build_conditional_expr): Likewise.
8040 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8042 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8044 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8045 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8046 operand. Abort if a 387 operand has an unsupported size.
8048 2000-04-08 Neil Booth <NeilB@earthling.net>
8050 * cppexp.c (parse_charconst): Null does not end character
8052 * cppinit.c (ISTABLE): Null character handled as whitespace.
8053 * cpplex.c (null_warning): new function.
8054 (skip_string): Emit warning if nulls encountered.
8055 (_cpp_skip_hspace): Emit warning if nulls encountered.
8056 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8060 2000-04-07 Richard Henderson <rth@cygnus.com>
8062 * flow.c (loop_depth): Remove.
8063 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8064 (struct propagate_block_info): New.
8065 (life_analysis): Don't allocate reg_next_use.
8066 (propagate_block_delete_insn): Break out of propagate_block.
8067 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8068 (propagate_block_delete_libcall): Likewise.
8069 (propagate_block): Create a propagate_block_info struct to pass
8070 to subroutines. Allocate one not two temporary regsets. Don't
8071 clobber memory for const calls. Look for clobbers in
8072 CALL_INSN_FUNCTION_USAGE.
8073 (mark_set_regs): Recognize COND_EXEC.
8074 (mark_set_reg): Break out of mark_set_1.
8075 (mark_used_reg): Break out of mark_used_regs.
8076 (mark_used_regs): Recognize COND_EXEC.
8077 (insn_dead_p): Use propagate_block_info struct.
8078 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8079 (find_auto_inc, try_pre_increment_1): Likewise.
8080 (print_rtl_with_bb): Dump regs live at end too.
8081 (count_reg_sets_1): Pass in loop_depth.
8082 (count_reg_sets, count_reg_references): Likewise.
8083 (recompute_reg_usage): Provide it.
8085 2000-04-07 Richard Henderson <rth@cygnus.com>
8087 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8090 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8092 * cpplib.c (do_elif): Skip the rest of the line if we're
8093 not going to bother evaluating it.
8094 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8095 to avoid pointless calls to the lexer.
8097 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8099 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8101 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8103 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8105 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8107 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8109 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8111 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8112 crtend so they can be multilibbed.
8113 (STAGESTUFF): Remove s-crt and s-crtS.
8115 2000-04-07 Richard Henderson <rth@cygnus.com>
8117 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8118 if we discover we need a pseudo and no_new_pseudos is true.
8119 * config/alpha/alpha.md (ne:DI insn): New.
8120 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8122 2000-04-07 Richard Henderson <rth@cygnus.com>
8124 * rtl.def (COND_EXEC): New.
8125 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8126 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8128 * genconfig.c (have_cond_arith_flag): Remove.
8129 (have_cond_exec_flag): New.
8130 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8131 (main): Print HAVE_conditional_execution.
8133 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8134 (sched_analyze_insn, print_pattern): Likewise.
8135 * reload.c (find_equiv_reg): Likewise.
8136 * rtlanal.c (reg_referenced_p): Likewise.
8137 (note_stores, dead_or_set_regno_p): Likewise.
8138 (reg_overlap_mentioned_p): Rewrite to use a switch.
8140 * ggc.h (struct rtx_def): Forward declare.
8142 * print-rtl.c (debug_rtx_range): New.
8143 * rtl.h (debug_rtx_range): Declare.
8145 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8147 * gcse.c (gcse_main): Don't rebuild the CFG here.
8148 (delete_null_pointer_checks): Likewise.
8149 * ssa.c (convert_to_ssa): Likewise.
8150 * toplev.c (rest_of_compilation): Do it here instead. Combine
8151 sequential calls to TIMEVAR. Consistently use `insns' instead of
8152 `get_insns()'. Always split insns after reload when optimizing.
8154 * basic-block.h (merge_blocks_nomove): Declare.
8155 (tidy_fallthru_edge): Declare.
8156 * flow.c (merge_blocks_nomove): Document as merging into previous
8157 blocks. Remove cruft from between blocks; remove all edges out of A.
8158 (tidy_fallthru_edge): Export.
8160 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8162 * ssa.c (compute_conservative_reg_partition): Declare with
8164 * toplev.c (clean_dump_file): Remove previously-deleted function
8165 inadvertantly merged back in.
8166 * conflict.c (conflict_graph_add): Use a single call to
8167 htab_find_slot to look up and insert.
8169 2000-04-06 Richard Henderson <rth@cygnus.com>
8171 * genrecog.c (*): Rename _last_insn to last_insn.
8172 (make_insn_sequence): Set the position of the peephole2 C test
8173 to be at the last insn.
8175 2000-04-06 Richard Henderson <rth@cygnus.com>
8177 * flow.c (compute_flow_dominators): Free worklist.
8179 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
8181 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
8183 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8185 * rtl.h (INSN_P): New macro.
8186 (successor_phi_fn): New typedef.
8187 (for_each_successor_phi): New prototype.
8188 (in_ssa_form): New variable.
8189 (PHI_NODE_P): Likewise.
8190 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
8191 phi nodes in successors.
8192 (mark_used_regs): Add PHI case.
8193 (set_phi_alternative_reg): New function.
8194 (life_analysis): Assert that dead code elimination is not selected
8196 * toplev.c (to_ssa_time): New variable.
8197 (from_ssa_time): Likewise.
8198 (compile_file): Zero to_ssa_time and from_ssa_time.
8199 Print time to convert to and from SSA.
8200 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
8201 (print_time): Compute percent fraction as integer.
8202 * ssa.c (PHI_NODE_P): Moved to rtl.h.
8203 (convert_to_ssa): Check if we're already in SSA.
8204 Don't eliminate dead code in life_analysis.
8205 Rerun flow and life analysis at bottom.
8206 (eliminate_phi): Use canonical regnos when adding nodes.
8207 (mark_reg_in_phi): New function.
8208 (mark_phi_and_copy_regs): Likewise.
8209 (convert_from_ssa): Rerun life analysis at top.
8210 Use coalesced partition.
8211 Check for removing a phi node at the end of the block.
8212 (compute_coalesced_reg_partition): New function.
8213 (coalesce_regs_in_copies): Likewise.
8214 (coalesce_reg_in_phi): Likewise.
8215 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
8216 (for_each_successor_phi): Likewise.
8217 (rename_context): New struct.
8218 (rename_block): Use a rename_context with rename_insn_1. When
8219 renaming sets of a subreg, emit a copy of the entire reg first.
8220 (rename_insn_1): Treat data as a rename_context *. Save current
8222 (rename_set_data): Add field set_insn.
8223 * Makefile.in (HASHTAB_H): Move up in file.
8224 (OBSTACK_H): New macro.
8225 (collect2.o): Use OBSTACK_H in dependencies.
8226 (sdbout.o): Likewise.
8227 (emit-rtl.o): Likewise.
8228 (simplify-rtx.o): Likewise.
8229 (fix-header.o): Likewise.
8230 (OBJS): Add conflict.o.
8231 (conflict.o): New rule.
8232 * basic-block.h: Include partition.h.
8233 (conflict_graph): New typedef.
8234 (conflict_graph_enum_fn): Likewise.
8235 (conflict_graph_new): New prototype.
8236 (conflict_graph_delete): Likewise.
8237 (conflict_graph_add): Likewise.
8238 (conflict_graph_conflict_p): Likewise.
8239 (conflict_graph_enum): Likewise.
8240 (conflict_graph_merge_regs): Likewise.
8241 (conflict_graph_print): Likewise.
8242 (conflict_graph_compute): Likewise.
8243 * conflict.c: New file.
8245 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
8247 * tlink.c (read_repo_files): Don't look for .rpo info for
8250 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8252 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
8254 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8256 * config/sh/lib1funcs.asm (___udivsi3_i4):
8257 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
8258 only depends on FMOVD_WORKS.
8260 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8262 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
8263 make double constant 8-byte aligned.
8265 2000-04-06 Jakub Jelinek <jakub@redhat.com>
8267 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
8268 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
8269 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
8270 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
8271 Accept storing GENERAL_REGS into offsetable memory.
8272 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
8273 building a TFmode constant other than 0.0L into GENERAL_REGS.
8275 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
8277 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
8279 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
8281 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
8282 (macro_cleanup): No need to cast pbuf->macro.
8283 (collect_expansion): Use _cpp_get_define_token. Goto done if
8284 it returns VSPACE. Remove check for trailing space after
8286 (_cpp_create_definition): Don't diddle flags here. Return
8288 (unsafe_chars): Handle c1 being EOF.
8289 (push_macro_expansion): Use unsafe_chars for both accidental-paste
8290 checks. Don't push the buffer till after we're done with
8292 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
8293 (PEEKN, FORWARD, GETC, PEEKC): Use them.
8294 (cpp_push_buffer): Don't set new->alimit. Set new->mark
8296 (_cpp_parse_assertion): Don't NUL terminate.
8297 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
8298 hspace before calling _cpp_parse_assertion. Remove all sets
8299 of only_seen_white. Treat '\f' as hspace. Don't do anything
8300 special with '\n' here.
8301 (maybe_macroexpand): Handle T_EMPTY hash entries without
8302 pushing a buffer at all.
8303 (cpp_get_token): Handle clearing only_seen_white here. Handle
8304 incrementing the line number here. Clear
8305 potential_control_macro as well as only_seen_white, if
8307 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
8308 (_cpp_get_define_token): New function, basically like
8309 _cpp_get_directive_token was but doesn't eat horizontal space.
8310 Don't do anything with only_seen_white here.
8311 (_cpp_get_directive_token): Just call _cpp_get_define_token
8312 repeatedly till it returns non-hspace.
8314 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
8315 (conditional_skip, skip_if_group): Return int.
8316 (DIRECTIVE_TABLE): Change origin of all conditional directives
8318 (TRAD_DIRECT_P): New macro.
8319 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
8320 an error for a bogus directive, unless -lang-asm. Use
8321 TRAD_DIRECT_P. Loop calling handler functions till one returns
8323 (get_macro_name): Don't diddle flags here.
8324 (do_define): Diddle flags here. Use _cpp_get_directive_token.
8325 Create T_EMPTY nodes for #define macro /* nothing */.
8326 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
8327 Use hp->name when calling pass_thru_directive.
8328 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
8329 Return the result of conditional_skip and/or skip_if_group.
8330 Don't call _cpp_output_line_command.
8331 (consider_directive_while_skipping): Use _cpp_get_directive_token.
8332 Issue -Wtraditional warnings as appropriate. Don't complain
8333 about unrecognized directives. If we are to stop skipping,
8334 return the number of the directive that ended the skip.
8335 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
8336 expansion and line commands while skipping. Return the result
8337 of consider_directive_while_skipping, if nonzero.
8338 (do_endif): Just set potential_control_macro here.
8339 (validate_else): Use _cpp_get_directive_token.
8340 (do_assert, do_unassert): Don't save pointers into the
8341 token_buffer across calls to the lexer. Use
8342 _cpp_get_directive_token.
8344 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
8345 pointer, not an offset. Replace 'data', which was a generic
8346 pointer, with 'macro', which points to a struct hashnode.
8347 (cpp_reader): Add 'potential_control_macro' pointer.
8348 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
8349 (CPP_BUF_GET, CPP_FORWARD): Delete.
8350 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
8351 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
8352 ACTIVE_MARK_P): Update.
8353 (_cpp_get_define_token): New internal function.
8354 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
8356 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
8358 * configure.in: And here.
8359 * configure: Regenerate.
8360 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
8361 --enable-libstdcxx-v3 is passed at configure time.
8362 * config.h.in: Regenerate.
8364 2000-04-05 Mark Mitchell <mark@codesourcery.com>
8366 * final.c (final): Use xcalloc to allocate line_note_exists.
8367 * function.c (free_after_compilation): Free the temp_slots.
8368 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
8369 (combine_temp_slot): Free temp_slots when they get combined.
8370 (purge_addressof): Fix typo in comment.
8371 * stmt.c (mark_goto_fixup): Mark the fixup itself.
8372 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
8374 * ggc.h: Include varray.h.
8375 (ggc_pending_trees): Declare.
8376 (ggc_mark_tree_children): Remove declaration.
8377 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
8378 * ggc-common.c (ggc_pending_trees): New variable.
8379 (ggc_mark_roots): Call ggc_mark_trees.
8380 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
8381 the ggc_pending_trees.
8382 * Makefile.in (GGC_H): New variable. Use it throughout in place
8385 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8387 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
8390 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8392 * sh.c (sh_insn_length_adjustment): New function.
8393 * sh-protos.h (sh_insn_length_adjustment): Declare.
8394 * sh.h (ADJUST_INSN_LENGTH): Use it.
8396 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
8398 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
8399 from the insn where REG_RETVAL is added.
8400 (emit_no_conflict_block): Ditto.
8402 * md.texi (Standard Names): Clarify when movX is needed.
8404 * combine.c (simplify_comparison) [MINUS]: Do not replace
8405 all (op (minus A B) 0) with (op A B).
8407 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
8408 J"orn Rennecke <amylaar@cygnus.co.uk>
8410 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
8411 (block_lump_real): Likewise.
8413 2000-04-05 Chris Demetriou <cgd@netbsd.org>
8415 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
8416 remaining non-zero debugging masks.
8418 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
8420 * basic-block.h (verify_flow_info): Declare.
8421 (flow_loop_outside_edge_p): Declare.
8422 * flow.c (verify_flow_info): Remove declaration.
8423 (clear_log_links, flow_loop_outside_edge_p): Likewise.
8425 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
8427 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
8430 2000-04-05 Jakub Jelinek <jakub@redhat.com>
8432 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
8433 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
8434 seqdi_zero_trunc+1): Allow splits only if registers are
8437 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
8439 * acconfig.h: Add HAVE_GAS_HIDDEN.
8440 * config.in: Regenerated.
8441 * configure.in: Add test for .hidden pseudo-op in gas.
8442 * configure: Regenerated.
8443 * crtstuff.c: Include auto-host.h.
8444 Emit additional .hidden pseudo-op for __dso_handle if the
8445 assembler knows about it.
8447 2000-04-04 Philippe De Muyter <phdm@macqel.be>
8449 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
8450 before freeing argnames.
8451 * cpplib.c (do_ifndef): Cast return value of xstrdup.
8453 2000-04-05 Michael Meissner <meissner@redhat.com>
8455 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
8456 Walton <jonboy@gordian.com> to make memory references with update
8457 work wtih -mregnames.
8459 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8461 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
8462 (regrename_optimize): Rename variables `def_uses' and
8463 `ext_basic_blocks' to avoid conflicts with similarly named
8464 typedefs in traditional C.
8466 * calls.c (initialize_argument_information): Fix typo in previous
8469 2000-04-04 Richard Henderson <rth@cygnus.com>
8471 * regrename.c (consider_available): Test fixed_regs not
8472 PIC_OFFSET_TABLE_REGNUM.
8474 2000-04-04 Geoff Keating <geoffk@cygnus.com>
8476 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
8478 (CRTSTUFF_T_CFLAGS_S): Delete definition.
8479 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
8480 (ENDFILE_LINUX_SPEC): Always use crtend.
8481 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
8482 (powerpc-*-linux-gnu): Likewise.
8483 * configure: Regenerate.
8485 * config/rs6000/eabi.h: Don't include sysv4.h.
8486 (MULTILIB_DEFAULTS): Don't define.
8487 * config/rs6000/eabiaix.h: Don't include eabi.h.
8488 * config/rs6000/eabile.h: Delete.
8489 * config/rs6000/eabilesim.h: Delete.
8490 * config/rs6000/eabisim.h: Don't include eabi.h.
8491 * config/rs6000/linux.h: Don't include sysv4.h.
8492 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
8493 (MULTILIB_DEFAULTS): Don't redefine.
8494 * config/rs6000/rtems.h: Don't include eabi.h.
8495 * config/rs6000/sol2.h: Don't include sysv4le.h.
8496 * config/rs6000/sysv4le.h: Don't include sysv4.h.
8497 * config/rs6000/t-ppc: Delete.
8498 * config/rs6000/t-ppcgas: Correct comment.
8499 * config/rs6000/t-ppcos: Correct comment. Don't build
8500 multilibs for -fPIC, rather use -fPIC -mstrict-align
8502 * config/rs6000/t-ppc: Delete.
8503 * config/rs6000/vxppc.h: Don't include sysv4.h.
8504 * config/rs6000/vxppcle.h: Delete.
8505 * configure.in: Use multiple header files for p2pc ELF targets
8506 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
8507 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
8508 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
8509 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
8510 always available for these platforms.
8512 2000-04-04 Richard Henderson <rth@cygnus.com>
8514 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
8516 2000-04-04 Stan Cox <scox@cygnus.com>
8518 * Makefile.in: Add rules for regrename.o
8519 * regrename.c: New file.
8520 * rtl.h (regrename_optimize): Add prototype.
8521 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
8522 (compile_file, decode_d_option): Add support for -frename-registers.
8523 (rest_of_compilation): Call regrename_optimize.
8524 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
8527 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8529 * Makefile (gccbug): New target.
8530 (doc): Depend on it.
8531 * gcc.texi (Bugs): Link subnodes.
8533 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
8534 Document severities, priorities, and classes in bug form.
8536 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
8538 * cpplex.c (trigraph_map, speccase): Combine into single
8540 (NORMAL, NONTRI): New macros.
8541 (_cpp_read_and_prescan): Change to use unified table. Use
8542 is_hspace to test for whitespace.
8544 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
8545 definition that doesn't provoke the "empty body in an
8546 if-statement" warning.
8548 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
8550 * builtins.c (expand_builtin_strlen): Force the source to
8551 be a memory address.
8553 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8555 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
8557 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
8559 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
8560 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
8561 (ECF_IS_CONST): Rename to ECF_CONST.
8562 (special_function_p): Make static, change interface.
8563 (flags_from_decl_or_type, try_to_integrate): Break out from ...
8564 (expand_call) ... here; convert number of variables to flags.
8565 (emit_library_call_vlue_1): Likewise.
8566 (setjmp_call_p): New function.
8567 (initialize_argument_information): Accepts flags as argument;
8569 (precompute_arguments): Likewise.
8570 * tree.h (special_function_p): Remove.
8571 (setjmp_call_p): Add prototype.
8573 2000-04-04 Jakub Jelinek <jakub@redhat.com>
8575 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
8576 so that addresses are offsetable by up to 16 bytes.
8577 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
8578 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
8581 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
8582 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
8583 (movsf): Don't force any constant to memory if target is integer
8585 Move fp_zero_operand check below the const0_rtx check.
8586 (movtf): Likewise. Also allow fp_zero_operand for stores into
8588 (movdf): Likewise. Also allow fp_zero_operand for stores into
8589 memory and into integer hard registers.
8590 (clear_df, clear_dfp, movdf_const_intreg_sp32,
8591 movdf_const_intreg_sp64): Remove.
8592 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
8594 (movdf_no_e_insn_v9_sp32): New pattern.
8595 (movdf_insn_v9only): Remove.
8596 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
8597 (movdf_insn_sp64): Remove.
8598 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
8599 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
8600 (following splits): Rewrite conditions. Add two new splits
8601 for storing 0.0 into memory and registers.
8602 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
8603 (movtf_insn_sp32): Redo constraints and conditions.
8604 (movtf_insn_vis_sp32): New pattern.
8605 (movtf_no_e_insn_sp32): Redo constraints and conditions.
8606 (movtf_insn_hq_sp64): Likewise.
8607 (movtf_insn_hq_vis_sp64): New pattern.
8608 (movtf_insn_sp64): Redo constraints and conditions.
8609 (movtf_insn_vis_sp64): New pattern.
8610 (movtf_no_e_insn_sp64): Redo constraints and conditions.
8611 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
8613 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
8614 -mvis or -m64 to take down the number of various reload patterns.
8616 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
8618 * pa/pa-64.h: New file.
8619 * pa/pa64-regs.h: New file.
8620 * pa/pa64-start.h: New file.
8621 * pa/t-pa64: New file.
8622 * pa/xm-pa64hpux.h: New file.
8624 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8626 * sparc.c (output_restore_regs): Prototype.
8627 (sparc_emit_float_lib_cmp): Constification.
8629 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
8631 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
8634 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
8635 (get_value_hash, hash_rtx): Likewise.
8637 * ssa.c (compute_conservative_reg_partition): Prototype.
8639 * tree.c (mark_hash_entry): Prototype.
8641 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
8643 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
8644 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
8645 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
8647 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
8648 * objc/lang-specs.h: Likewise.
8650 2000-04-03 Neil Booth <NeilB@earthling.net>
8652 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
8653 and SYNTAX_ERROR2. Replace `' in messages with ''.
8654 (op_to_str): Make re-entrant.
8655 (_cpp_parse_expr): Implement new error macros. Use | rather
8656 than || to logically or 2 boolean integers. Simply expression
8657 checking we have a left operand iff needed.
8659 2000-04-03 Nick Clifton <nickc@cygnus.com>
8661 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
8663 2000-04-03 Philip Blundell <philb@gnu.org>
8665 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
8667 2000-04-03 Felix Lee <flee@cygnus.com>
8669 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
8670 (run_shell): Use it.
8672 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
8674 * Makefile.in (stmp-int-hdrs): Make include subdir here...
8675 (stmp-fixproto): ...rather than here.
8677 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
8679 * pa.c (print_operand): Compute 'base' only inside the code paths
8682 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
8684 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
8687 2000-04-03 Philipp Thomas <pthomas@suse.de>
8689 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
8691 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
8693 * Makefile.in (alias.o): Depend on $(TREE_H).
8695 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
8697 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
8699 * cpplib.c (_cpp_handle_directive): Improve warnings for
8700 traditional C and indented directives.
8702 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
8703 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
8704 fixinc/inclhack.def: Indent the # of #include_next one space.
8705 * cp/rtti.c: Un-indent #if and #endif.
8707 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
8708 syntax error, but an error has already been printed.
8709 * cpplex.c (_cpp_parse_assertion): Give a more specific error
8710 message when called with nothing remaining on the line.
8711 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
8712 OTHER token, not an ASSERTION.
8713 * cpplib.c (do_assert): When we create a 'base' node, clear
8714 its aschain pointer.
8716 2000-04-02 Neil Booth <NeilB@earthling.net>
8718 * cppexp.c: New typedef op_t. struct operation and struct
8719 token updated to use it.
8720 (op_to_str): New function.
8721 (_cpp_parse_expr): Error messages modified to use op_to_str.
8723 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8725 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
8726 before checking MUST_PASS_IN_STACK.
8728 2000-04-02 Neil Booth <NeilB@earthling.net>
8730 * cppexp.c: New FINISHED dummy token. Combine operator initial
8731 flags and initial priority into a single constant. New
8732 EQUALITY macro. New operator flag SHORT_CIRCUIT.
8733 (_parse_cpp_expr): Implement new constants. Take left operand
8734 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
8735 parse indicated by reducing FINISHED token. Remove new lines
8736 from cpp_error messages.
8738 2000-04-01 Mark Mitchell <mark@codesourcery.com>
8740 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
8743 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
8745 * cpplib.c: Include symcat.h. Add 'origin' field to struct
8746 directive. Add origin values to DIRECTIVE_TABLE. Generate
8747 the strings and function names on the fly. Take the #sccs
8748 entry out of the table if SCCS_DIRECTIVE is not defined.
8749 (_cpp_handle_directive): Decide if the # was at the beginning
8750 of the line here. Issue -pedantic warnings for extended
8751 directives here. Warn about K+R directives with the #
8752 indented, and C89/extended directives with the # not indented,
8754 (do_import, do_include_next, do_warning, do_ident, do_sccs,
8755 do_assert, do_unassert): Don't issue pedantic warning here.
8757 * cpphash.h: Add CPP_WTRADITIONAL macro.
8758 * cpplib.h (struct cpp_options): Rename warn_stringify to
8759 warn_traditional; update comments.
8760 * cppinit.c (handle_option): Set warn_traditional not
8762 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
8763 CPP_WTRADITIONAL (pfile).
8764 * cpplex.c (_cpp_lex_token): Don't decide if directives should
8765 be ignored in -traditional mode here.
8767 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
8768 to initialize speccase[] and trigraph_map[]. Delete all
8769 references to pfile->input_speccase. Always treat '?' as a
8770 special character. Remove table-initialization code from
8771 _cpp_init_input_buffer.
8773 * cpplib.h (struct cpp_reader): Remove input_speccase field.
8774 * cppinit.c (cpp_cleanup): Don't free input_speccase.
8776 2000-04-01 Richard Henderson <rth@cygnus.com>
8778 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
8779 (mostlyclean): Likewise.
8781 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
8782 (struct dump_file_info, enum dump_file_index, dump_file): New.
8783 (open_dump_file): Take a dump_file_index not a suffix, and a decl
8784 not a string. Clean out file if we havn't yet done so. Do nothing
8785 if the dump isn't enabled.
8786 (close_dump_file): Do nothing if the dump isn't open. Dump
8787 graph data if requested.
8788 (dump_rtl, clean_dump_file): Remove.
8789 (compile_file): Don't clean the dump files. Only finalize .bp dump
8790 if flag_test_coverage or flag_branch_probabilities. Only finalize
8791 .combine dump if optimizing. Iterate over dump_file to finalize the
8793 (rest_of_compilation): Update for open_dump_file/close_dump_file.
8794 Convert all uses of dump_rtl.
8795 (decode_d_option): Iterate over dump_file to implement 'a' and to
8796 locate pass-specific dumps.
8798 2000-04-01 Neil Booth <NeilB@earthling.net>
8800 * cppexp.c: Redefine priority constants.
8801 (_cpp_parse_expr): Replace left and right priority scheme with
8802 single priority logic. Move LOGICAL to same place as COMPARE.
8803 Remove bogus check for multiple unary +/- operators.
8805 2000-04-01 Neil Booth <NeilB@earthling.net>
8807 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
8808 within the switch statement. Binary operations break out of
8809 the switch naturally. '(' tokens handled by forcing
8810 immediate shift. ')' handled by forcing immediate reduce to
8811 the previous '('. New error messages.
8813 2000-03-31 Geoff Keating <geoffk@cygnus.com>
8815 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
8816 part', it's already in use. Use %K instead. Add a return at the
8817 end of what is now %K.
8818 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
8820 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
8822 * builtins.c (expand_builtin_apply): Pass proper parameters to
8823 allocate_dynamic_stack_space.
8824 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
8825 update stack_pointer_delta; do not update arg_size_so_far.
8826 (compute_argument_block_size): Use stack_delta instead of
8827 stack_pointer_pending and arg_size_so_far.
8828 (expand_call): Add sanity checking for stack_pointer_delta;
8829 save and restore stack_pointer_delta for SIB, use
8830 stack_pointer_delta for alignment; do not update arg_space_so_far.
8831 (emit_library_call_value): Use stack_pointer_delta for alignment.
8832 (store_one_arg): Do not update arg_space_so_far.
8833 * explow.c (adjust_stack, anti_adjust_stack): Update
8834 stack_pointer_delta.
8835 (allocate_dynamic_stack_space): Add sanity checking for
8836 stack_pointer_delta.
8837 * expr.c (init_expr, clear_pending_stack_adjust): Clear
8838 stack_pointer_delta.
8839 (emit_push_insn): Update stack_pointer_delta.
8840 * function.h (struct expr_status): Add x_stack_pointer_delta;
8841 remove x_arg_space_so_far.
8842 (arg_space_so_far): Remove.
8843 (stack_pointer_delta): New macro.
8845 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
8847 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
8848 Reorder struct cpp_options and struct cpp_reader for better
8849 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
8850 takes two args. Change all 'char' flags to 'unsigned char'.
8851 Move show_column flag into struct cpp_options. Don't
8852 prototype cpp_options_init.
8853 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
8854 cppinit.c, cpplex.c, cpplib.c:
8855 Replace CPP_OPTIONS (pfile)->whatever with
8856 CPP_OPTION (pfile, whatever), and likewise for
8857 opts = CPP_OPTIONS (pfile); ... opts->whatever;
8859 * cppinit.c (merge_include_chains): Take a cpp_reader *.
8860 Extract CPP_OPTION (pfile, pending) and work with that
8862 (cpp_options_init): Delete.
8863 (cpp_reader_init): Turn on on-by-default options here.
8864 Allocate the pending structure here.
8865 (cl_options, enum opt_code): Define these from the same table,
8866 kept in a large macro. Add -fshow-column and -fno-show-column
8869 * cpperror.c (v_message): If show_column is off, don't print
8872 * cppmain.c: Update for new interface.
8873 * fix-header.c: Likewise.
8875 2000-03-30 Geoff Keating <geoffk@cygnus.com>
8877 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8879 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8880 are passed to any invocation of AR_FOR_TARGET.
8881 (AR_CREATE_FOR_TARGET): New macro.
8882 (AR_EXTRACT_FOR_TARGET): New macro.
8883 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8884 AR_EXTRACT_FOR_TARGET.
8885 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8886 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8887 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
8888 AR_EXTRACT_FOR_TARGET to sub-makes.
8890 2000-03-31 Neil Booth <NeilB@earthling.net>
8892 * cppexp.c: Delete SKIP_OPERAND. Correct priority
8894 (_cpp_parse_expr): Check for multiple unary +/- operators.
8895 Correct priorities of ':' and '?'. Treat ')' as having a
8896 value. Ensure conditional expression is not void.
8898 2000-03-31 Mark Mitchell <mark@codesourcery.com>
8900 * alias.c (canon_rtx): Make it global.
8901 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
8903 * cse.c (struct table_elt): Add canon_exp.
8905 (invalidate): Canonicalize expressions only once.
8906 * rtl.h (canon_rtx): Declare.
8908 2000-03-30 Mark Mitchell <mark@codesourcery.com>
8910 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8911 * alias.c (reg_known_value): Add comments.
8912 (init_alias_analysis): Likewise.
8913 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8915 (cse_basic_block): Fix typo in comment.
8916 * emit-rtl.c: Include hashtab.h.
8917 (const_int_htab): New variable.
8918 (const_int_htab_hash): New function.
8919 (const_int_htab_eq): Likewise.
8920 (rtx_htab_mark_1): Likewise.
8921 (rtx_htab_mark): Likewise.
8922 (gen_rtx_CONST_INT): Cache all CONST_INTs.
8923 (unshare_all_rtx): Fix formatting.
8924 (init_emit_once): Initialize const_int_htab.
8925 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8927 * rtl.texi: Document the fact that all CONST_INTs with the same
8930 2000-03-30 Richard Henderson <rth@cygnus.com>
8932 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8934 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
8936 * configure.in: Comment out --enable-c-cpplib stanza.
8937 * configure: Regenerate.
8939 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8941 * expr.c (store_constructor): Properly compute displacement and
8942 alignment when offset is variable.
8944 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8945 cases of alignment in bytes.
8947 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
8949 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8950 since it is used to generate c-parse.y.
8951 * objc-parse.c, objc-parse.y: Regenerated.
8953 * function.c (expand_function_end): Pass alignment argument to
8954 emit_block_move in bits, not bytes.
8956 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8958 * expr.c (move_by_pieces_ninsns): Fix one more missing align
8961 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8963 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8964 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8965 * function.c (assign_parms): Likewise.
8966 * integrate.c (expand_inline_function): Likewise.
8967 * stmt.c (expand_decl): Likewise.
8968 (copy_rtx_and_substitute): Likewise.
8969 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
8970 (clear_by_pieces): Fix error in last change.
8971 * emit-rtl.c (init_emit): Set known registers alignment in bits.
8972 * function.h (regno_pointer_align): Now unsigned.
8973 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8975 * config/i386/i386.c (aligned_operand): Likewise.
8976 * config/sparc/sparc.c (mem_min_alignment): Likewise.
8977 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
8978 (unaligned_memory_operand): Likewise.
8979 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8980 Also make alignments and sizes unsigned and some whitespace cleanup.
8981 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8983 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8984 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
8985 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8986 (expand_builtin_memset): Likewise, but to clear_storage.
8987 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8988 (restore_fixed_argument_area): Likewise.
8989 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8990 (load_register_parameters): Likewise, to emit_group_load.
8991 (expand_call): Likewise, to emit_group_store and emit_block_move.
8992 (emit_library_call_value_1): Likewise, to emit_block_move.
8993 (store_one_arg): Likewise, and to emit_push_insn.
8994 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8995 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
8996 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8997 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8998 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8999 (expand_assigment, store_expr, store_constructor_field): Likewise.
9000 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9001 (store_constructor, store_field, get_inner_reference): Likewise.
9002 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9003 (expand_expr, case COMPONENT_REF): Likewise.
9004 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9005 and positions; reindent code.
9006 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9007 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9008 (assign_parms): Likewise to emit_group_store.
9009 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9010 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9011 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9012 (expand_return): Likewise to {extract,store}_bit_field.
9013 * stor-layout.c (get_mode_alignment): Minor cleanup.
9014 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9015 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9017 2000-03-29 Nick Clifton <nickc@cygnus.com>
9019 * config/arm/arm.h: Undo effects of previous delta:
9020 (ASM_SPEC): Do not define.
9021 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9023 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9026 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9028 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9029 only after reading in the primary source file.
9031 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9033 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9034 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9035 or a reference to a va_list.
9036 * builtins.c (stabilize_va_list): Simplify now we don't have to
9037 work around C array address decay.
9038 * c-typeck.c (convert_for_assignment): Handle assignment to
9039 a reference parameter by taking the address of the RHS.
9040 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9041 (va_copy): Likewise.
9042 (__va_copy): Likewise.
9043 * ginclude/varargs.h (va_start): Likewise.
9044 (__va_copy): Likewise.
9046 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9048 * i386/djgpp.h: Remove extraneous "+".
9050 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9052 * calls.c (expand_call): Fix typo in last change.
9054 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9056 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9059 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9061 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9062 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9063 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9064 * tree.c (bit_position, byte_position): Likewise.
9065 * tree.h: Declare new functions.
9067 2000-03-29 Nick Clifton <nickc@cygnus.com>
9069 * config/arm/arm.c: Minor formatting changes/
9070 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9072 (ASM_SPEC): Define if not already defined.
9074 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9076 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9079 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9081 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9082 value, don't output it as unsigned.
9084 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9086 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9088 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9090 * c-common.c (c_common_nodes_and_builtins): Don't special case
9091 cplus_mode when declaring builtin bzero/bcmp, always avoid
9092 prototype arguments.
9094 2000-03-29 Bruce Korb <bkorb@gnu.org>
9096 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9099 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9101 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9102 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9103 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9104 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9105 (save_fixed_argument_area, restore_fixed_argument_area):
9106 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9107 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9108 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9109 (precompute_register_parameters): Avoid #ifdefs on
9110 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9111 (stire_one_args): Likewise.
9112 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9113 (emit_library_call_value_1): Likewise.
9114 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9115 ACCUMULATE_OUTGOING_ARGS.
9116 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9118 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9119 (use_crosses_set_p): Likewise.
9120 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9121 #define ACCUMULATE_OUTGOING_ARGS 1.
9122 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9124 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9126 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9127 (TARGET_SWITCHES): Add push-args, no-push-args,
9128 accumulate-outgoing-args and no-accumulate-outgoing-args.
9129 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9130 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9131 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9133 (emit_push_insn): Likewise.
9134 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9135 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9136 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9137 (STACK_DYNAMIC_OFFSET): Define correctly for both
9138 ACCUMULATE_OUTGOING_ARGS and normal mode.
9139 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9140 * tm.texi (PUSH_ARGS): Document.
9141 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9143 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9145 * flags.h (flag_optimize_sibling_calls): Declare.
9146 * calls.c (expand_call): Fail sibcall when
9147 !flag_optimize_sibling_calls
9148 * invoke.texi (flag_optimize_sibling_calls): Document.
9149 * toplev.c (flag_optimize_sibling_calls): New global variable.
9150 (f_options): Add flag_optimize_sibling_calls.
9151 (rest_of_compilation): Conditionize
9152 optimize_sibling_and_tail_recursive_calls by
9153 flag_optimize_sibling_calls.
9154 (main): Set flag_optimize_sibling_calls for -O2.
9155 * stmt.c (expand_return): Conditionize tail recursion by
9156 flag_optimize_sibling_calls.
9158 2000-03-29 Richard Henderson <rth@cygnus.com>
9160 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9161 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9163 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9165 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9167 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9169 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9171 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9172 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9173 * config/rs6000/aix.h: then modified likewise.
9175 2000-03-28 Richard Henderson <rth@cygnus.com>
9177 * rtl.h: Redistribute enum reg_note documentation.
9178 Kill trailing whitespace.
9179 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
9180 Kill trailing whitespace.
9182 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
9184 * cppfiles.c (hash_IHASH): Just return i->hash.
9185 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
9186 htab_find_with_hash.
9187 (cpp_read_file): Likewise.
9188 (find_include_file): Likewise. Properly initialize
9189 ih->nshort. Share ih->name and ih->nshort if possible.
9190 * cpphash.c (_cpp_calc_hash): New function.
9191 (hash_HASHNODE): Just return h->hash.
9192 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
9193 htab_find_with_hash.
9194 * cpphash.h: Prototype _cpp_calc_hash.
9195 * cppinit.c (initialize_builtins): Provide a valid hash
9196 to _cpp_make_hashnode, using _cpp_calc_hash.
9198 * cpphash.c (collect_expansion): # is not a special character
9199 in object-like macros. In -traditional mode, /**/ is not
9200 token paste at the beginning or end of the line.
9201 * cpplib.c (do_include, do_import, do_include_next): If
9202 parse_include fails, return immediately.
9204 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
9206 * config/arm/arm.md (return peepholes): Update to reflect the new
9208 * config/arm/arm.c (arm_volatile_func): Also check
9209 current_function_nothrow.
9210 (output_return_instruction, output_func_prologue): Use it.
9211 (arm_output_epilogue, arm_expand_prologue): Likewise.
9213 2000-03-27 Tom Tromey <tromey@cygnus.com>
9215 * gcc.c (handle_braces): In {x*...} case, break out of loop if
9218 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9220 * expr.c (store_constructor): SIZE now signed.
9221 For EXPR_SIZE, don't evaluate size; just needed if constant.
9222 * fold-const.c (fold): Fix a number of cases when folded tree is
9224 * function.c (flush_addressof): Reenable.
9225 * tree.h (flush_addressof): Likewise.
9226 * toplev.c (independent_decode_option): Look at strings_processed.
9227 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
9229 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
9231 * sibcall.c (indentify_call_return_value): Find last call in the chain;
9232 Allow stack adjustment after function call.
9234 * regmove.c (struct csa_memlist): Make mem field rtx *.
9235 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
9236 (try_apply_stack_adjustment): Replace whole MEM rtx.
9237 (combine_stack_adjustments_for_block): Update calls
9238 to record_one_stack_ref.
9240 2000-03-28 Neil Booth <NeilB@earthling.net>
9242 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
9243 '\\' rather than a null character, so nulls are not special. Fix
9244 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
9245 speed trigraph conversion.
9246 (_cpp_init_input_buffer): Initialize trigraph map.
9248 2000-03-27 Alan Modra <alan@linuxcare.com.au>
9250 * config/i386/i386.c (output_387_binary_op): Correct intel
9251 mode assembly output, and add spaces after commas in AT&T
9252 output. Correct Unixware assembler comment. Document input
9253 constraints. Comment fp operations. Reduce profligate buffer
9254 size. Remove extraneous abort. Localize temp var.
9255 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
9256 (output_fix_trunc): Add spaces after commas in assembly output.
9258 2000-03-27 Richard Henderson <rth@cygnus.com>
9260 * i386-protos.h (ix86_match_ccmode): Declare.
9261 * i386.c (ix86_match_ccmode): New.
9262 (ix86_expand_fp_compare): Update for pattern renames.
9263 (ix86_expand_strlensi_unroll_1): Likewise.
9264 * i386.h (EXTRA_CC_MODES): Add CCZ.
9265 (SELECT_CC_MODE): Use it for EQ/NE zero.
9266 * i386.md (cmpsi_ccz_1): New.
9268 (*testsi_ccz_1): New.
9269 (testqi_ccz_1): New.
9270 (cmpsi_ccno_1): Rename from cmpsi_0.
9271 (testsi_ccno_1): Rename from testsi_1.
9272 (testqi_ccno_1): Rename from testqi_1.
9273 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
9274 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
9275 (*cmphi_0): Use ix86_match_ccmode.
9276 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
9277 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
9278 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
9279 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
9280 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
9281 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
9282 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
9283 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
9284 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
9285 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
9286 (appropriate peepholes): Likewise.
9287 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
9288 (*subsi_3, *subhi_3, *subqi_3): Remove.
9289 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
9290 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
9291 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
9292 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
9293 (x86_shift_adj_1): Use CCZ.
9294 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
9296 2000-03-27 Stan Cox <scox@cygnus.com>
9298 * resource.h (mark_resource_type): New.
9299 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
9300 find_free_register): Use mark_resource_type.
9301 (mark_set_resources): Change include_delayed_effects
9302 to mark_resource_type.
9303 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
9304 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
9305 Use mark_resource_type.
9307 2000-03-27 Richard Henderson <rth@cygnus.com>
9309 * i386.md (call_pop_0, call_value_pop_0): New.
9310 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
9311 (call_value_pop_1): Likewise.
9312 (call_0, call_value_0): New.
9313 (call_1, call_value_1): Remove constraint from unused arg.
9315 2000-03-27 Nick Clifton <nickc@cygnus.com>
9317 * invoke.texi (Spec Files): Document new spec % command created by
9318 Tom Tromey's recent patch.
9320 2000-03-27 Jakub Jelinek <jakub@redhat.com>
9322 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
9325 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9327 * expr.c (expand_assignment): Fix typo in last change.
9329 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
9331 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9333 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
9334 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
9335 and DECL_INLINE if FUNCTION_DECL.
9336 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
9337 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
9338 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
9339 (combine_parm_decls): Likewise.
9340 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
9341 * print-tree.c (print_node): Likewise.
9342 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
9343 DECL_TRANSPARENT_UNION on proper decl types.
9344 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
9345 * stor-layout.c (layout_decl): Only check DECL_PACKED and
9346 DECL_BIT_FIELD of FIELD_DECL.
9347 * tree.h (DECL_RESULT_FLD): New macro.
9349 * expr.c (expand_assignment): Add code to handle variable-sized
9352 2000-03-26 Richard Henderson <rth@cygnus.com>
9354 * calls.c (expand_call): Pass parms not original exp to
9355 optimize_tail_recursion. Mind return value instead of looking
9357 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
9358 call_expr. Move checks for call_expr and current_function_decl ...
9359 (expand_return): ... here.
9361 2000-03-26 Tom Tromey <tromey@cygnus.com>
9363 * gcc.c (handle_braces): Recognize `%{<S}' construct.
9364 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
9366 (process_command): Use them.
9367 (check_live_switch): Likewise.
9368 (give_switch): Skip ignored switches.
9370 2000-03-26 Jan Hubicka <jh@suse.cz>
9372 * jump.c (jump_optimize_1): Fix typo in elide optimizations
9373 for minimal jump pass test.
9375 2000-03-26 Mark Mitchell <mark@codesourcery.com>
9377 * integrate.c (function_cannot_inline_p): Do inline functions that
9380 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9382 * stor-layout.c (layout_type, set_sizetype): early_type_list is
9383 now a list of TREE_LIST entries, not types.
9384 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
9386 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
9387 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
9389 * config/mips/mips.c (function_arg): Likewise; also remove cast
9390 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
9391 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
9392 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
9393 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
9394 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
9395 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
9396 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
9397 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
9398 num_adjusts now unsigned.
9399 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
9400 * config/sparc/sparc.c (struct function_arg_record_value_parms):
9402 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
9403 as is BITPOS variable; use host_integerp and int_bit_position.
9404 (function_arg_record_value_2): Likewise.
9405 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
9406 Variable REGNO now unsigned.
9407 (function_arg_record_value): NREGS now unsigned.
9409 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
9411 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
9413 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9415 * Rework fields used to describe positions of bitfields and
9416 modify sizes to be unsigned and use HOST_WIDE_INT.
9417 * alias.c (reg_known_value_size): Now unsigned.
9418 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
9419 (really_start_incremental_init): Use bitsize_zero_node.
9420 (push_init_level, pop_init_level, output_init_element): Likewise.
9421 Use bitsize_unit_node and bitsize_one_node.
9422 (output_pending_init_elements, process_init_element): Likewise.
9423 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
9424 (make_extraction): Position and length HOST_WIDE_INT and unsigned
9425 HOST_WIDE_INT, respectively.
9426 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
9427 (num_sign_bit_copies): Returns unsigned.
9428 BITWIDTH now unsigned; rework arithmetic.
9429 Remove recursive call from arg to MAX.
9430 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
9431 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
9433 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
9434 (find_split_point, expand_compound_operation, make_extraction): LEN
9435 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
9436 (make_field_assignment): Likewise.
9437 (combine_simplify_rtx): Add cast.
9438 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
9439 (force_to_mode): WIDTH now unsigned; add cast.
9440 (if_then_else_cond): SIZE now unsigned.
9441 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
9442 (extended_count): Now returns unsigned.
9443 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
9444 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
9445 (simplify_comparison): MODE_WIDTH now unsigned.
9446 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
9447 (mark_used_regs_combine): Likewise; rework arithmetic.
9448 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
9449 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
9450 (record_promoted_value): REGNO now unsigned.
9451 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
9452 (get_last_value): REGNO now unsigned.
9453 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
9454 (reg_dead_regno, reg_dead_endregno): Now unsigned.
9455 (remove_death): Arg REGNO now unsigned.
9456 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
9457 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
9459 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
9460 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
9461 (struct cse_reg_info): REGNO now unsigned.
9462 (cached_regno): Now unsigned.
9463 (REGNO_QTY_VALID_P): Add cast.
9464 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
9465 (remove_invalid_regs): Likewise.
9466 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
9467 as are variables END and I.
9468 (get_cse_reg_info, insert): Likewise.
9469 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
9470 (canon_hash): Likewise.
9471 (insert_regs, lookup_for_remove): REGNO now unsigned.
9472 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
9474 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
9475 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
9476 * emit-rtl.c (subreg_realpart_p): Add cast.
9477 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
9478 (operand_subword_force): Arg I is now unsigned.
9479 * except.c (eh_regs): Variable I is now unsigned.
9480 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
9481 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
9482 length is unsigned HOST_WIDE_INT; likewise for internal variables.
9483 (store_split_bit_field, extract_fixed_bit_field): Likewise.
9484 (extract_split_bit_field, store_bit_field, extract_bit_field):
9486 * expr.c (store_constructor_fields, store_constructor, store_field):
9487 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
9488 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
9489 (do_jump): Likewise.
9490 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
9491 MAX_SIZE is now unsigned.
9492 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
9493 (emit_group_store): Likewise.
9494 (emit_move_insn): I now unsigned.
9495 (store_constructor): Use host_integerp, tree_low_cst, and
9497 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
9498 Rework all calculations to use trees and new fields.
9499 * expr.h (promoted_input_arg): Regno now unsigned.
9500 (store_bit_field, extract_bit_field): Adjust types of pos and size.
9501 (mark_seen_cases): Arg is HOST_WIDE_INT.
9502 * flow.c (verify_wide_reg_1): REGNO now unsigned.
9503 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
9504 precisions and alignments are unsigned.
9505 (optimize_bit_field_compare, fold_truthop): Likewise.
9506 (int_const_binop): Adjust threshold for size_int_type_wide call.
9507 (fold_convert): Likewise.
9508 (size_int_type_wide): Make table larger and fix thinko that only
9509 had half of table used.
9510 (all_ones_mask_p, fold): Precisions are unsigned.
9511 * function.c (put_reg_info_stack): REGNO is unsigned.
9512 (instantiate_decl): Size is HOST_WIDE_INT.
9513 (instantiate_virtual_regs): I is unsigned.
9514 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
9515 (promoted_input_arg): REGNO is unsigned.
9516 * function.h (struct function): x_max_parm_reg is now unsigned.
9517 * gcse.c (max_gcse_regno): Now unsigned.
9518 (struct null_pointer_info): min_reg and max_reg now unsigned.
9519 (lookup_set, next_set): REGNO arg now unsigned.
9520 (compute_hash_table): REGNO and I now unsigned.
9521 (handle_avail_expr): regnum_for_replacing now unsigned.
9522 (cprop_insn): REGNO now unsigned.
9523 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
9524 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
9525 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
9526 * hard-reg-set.h (reg_class_size): Now unsigned.
9527 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
9528 * jump.c (mark_modified_reg): I now unsigned; add cast.
9529 (rtx_equal_for_thread_p): Add cast.
9530 * loop.c (max_reg_before_loop): Now unsigned.
9531 (struct_movable): REGNO now unsigned.
9532 (try_copy_prop): REGNO arg unsigned.
9533 (regs_match_p): XN and YN now unsigned.
9534 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
9535 (strength_reduce): Likewise; NREGS also unsigned.
9536 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
9537 * loop.h (struct iv_class): REGNO now unsigned.
9538 (max_reg_before_loop, first_increment_giv, last_increment_giv):
9540 * machmode.h (mode_size, mode_unit_size): Now unsigned.
9541 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
9542 * optabs.c (expand_binop): I and NWORDS now unsigned.
9543 (expand_unop): I now unsigned.
9544 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
9545 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
9546 * real.c (significand_size): Now returns unsigned.
9547 * real.h (significand_size): Likewise.
9548 * regclass.c (reg_class_size): Now unsigned.
9549 (choose_hard_reg_mode): Both operands now unsigned.
9550 (record_reg_classes): REGNO and NR now unsigned.
9551 (reg_scan): NREGS now unsigned.
9552 (reg_scan_update): old_max_regno now unsigned.
9553 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
9554 * reload.c (find_valid_class): BEST_SIZE now unsigned.
9555 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
9556 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
9557 Likewise for variable R.
9558 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
9559 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
9560 (find_equiv_reg): Add casts.
9561 (regno_clobbered_p): Arg REGNO now unsigned.
9562 * reload.h (struct reload): NREGS now unsigned.
9563 (refers_to_regno_for_reload_p): Regno args are unsigned.
9564 (regno_clobbered_p): Likewise.
9565 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
9566 (compute_use_by_pseudos): REGNO now unsigned.
9567 (find_reg): I and J now unsigned, new variable K, and change loop
9568 variables accordingly; THIS_NREGS now unsigned.
9569 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
9570 (spill_hard_reg): REGNO arg now unsigned; add casts.
9571 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
9572 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
9573 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
9574 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
9575 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
9576 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
9577 (emit_reload_insns): REGNO now unsigned.
9578 (reload_cse_move2add): Add cast.
9579 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
9581 * resource.c (mark_referenced_resources, mark_set_resources): New
9582 variable R; REGNO and LAST_REGNO now unsigned.
9583 (mark_target_live_regs): J and REGNO now unsigned.
9584 * rtl.c (mode_size, mode_unit_size): Now unsigned.
9585 * rtl.h (union rtunion_def): New field rtuint.
9586 (XCUINT): New macro.
9587 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
9588 (operand_subword, operand_subword_force): Word number is unsigned.
9589 (choose_hard_reg_mode): Operands are unsigned.
9590 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
9591 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
9592 (regno_use_in, combine_instructions, remove_death): Likewise.
9593 (reg_scan, reg_scan_update): Likewise.
9594 (extended_count): Return is unsigned.
9595 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
9596 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
9597 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
9598 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
9599 (reg_reg_last_1): FIRS and LAST now unsigned.
9600 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
9601 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
9603 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
9604 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
9605 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
9606 (replace_regs): Arg NREGS now unsigned.
9607 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
9608 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
9609 (simplify_binary_operation): Likewise.
9610 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
9611 THIS_LAST now unsigned.
9612 (cselib_record_set): Add cast.
9613 * ssa.c (ssa_max_reg_num): Now unsigned.
9614 (rename_block): REGNO now unsigned.
9615 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
9617 (all_cases_count): Just return -1 not -2.
9618 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
9619 Rework tests to use trees whenever possible.
9620 Use host_integerp and tree_low_cst.
9621 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
9622 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
9623 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
9624 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
9625 (smallest_mode_for_size): Likewise.
9626 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
9627 KNOWN_ALIGN is now an alignment, so simplify code.
9628 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
9629 (start_record_layout): Renamed from new_record_layout_info.
9630 Update to new fields.
9631 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
9633 (place_union_field): Renamed from layout_union_field.
9634 Update to use new fields in rli.
9635 (place_field): Renamed from layout_field.
9636 Major rewrite to use new fields in rli; pass alignment to layout_decl.
9637 (finalize_record_size): Rework to use new fields in rli and handle
9639 (compute_record_mode): Rework to simplify and to use new DECL fields.
9640 (finalize_type_size): Make rounding more consistent.
9641 (finish_union_layout): Deleted.
9642 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
9643 (layout_type, case RECORD_TYPE): Call new function names.
9644 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
9645 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
9646 (get_best_mode): UNIT is now unsigned; remove casts.
9647 * tree.c (bit_position): Compute from new fields.
9648 (byte_position, int_byte_position): New functions.
9649 (print_type_hash_statistics): Cast to remove warning.
9650 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
9651 (build_index_type): Likewise; make subtype of sizetype.
9652 (build_index_2_type): Pass sizetype to build_range_type.
9653 (build_common_tree_nodes): Use size_int and bitsize_int to
9654 initialize nodes; add bitsize_{zero,one,unit}_node.
9655 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
9656 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
9657 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
9658 (DECL_FIELD_BITPOS): Deleted.
9659 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
9660 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
9661 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
9662 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
9663 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
9664 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
9665 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
9666 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
9667 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
9668 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
9669 (DECL_ALIGN): Adjust to new field in union.
9670 (DECL_OFFSET_ALIGN): New field.
9671 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
9672 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
9673 (union tree_decl): Add struct for both aligns.
9674 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
9675 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
9676 (struct record_layout_info): Rework fields to have offset
9677 alignment and byte and bit position.
9678 (start_record_layout, place_field): Renamed from old names.
9679 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
9680 (byte_position, int_byte_position): Likewise.
9681 (get_inner_reference): Change types of position and length.
9682 * unroll.c (unroll_loop): New variable R; use for some loops.
9683 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
9684 (calculate_giv_inc): Arg REGNO now unsigned.
9685 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
9686 * varasm.c (assemble_variable): Clean up handling of size using
9687 host_integerp and tree_low_cst.
9688 (decode_addr_const): Use byte, not bit, position.
9689 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
9690 use tree_low_cst and int_bit_position.
9691 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
9693 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
9695 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
9696 (reorder_block_def): New members eff_head and eff_end.
9697 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
9698 (verify_insn_chain): New function.
9699 (skip_insns_between_block): Add code to skip deleted insns.
9700 Check for note before using.
9701 (chain_reorder_blocks): Replace calls to skip_insns_between_block
9702 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
9703 Check for note before using.
9704 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
9705 (fixup_reorder_chain): Restructure, clean up, defect removal.
9706 (reorder_basic_blocks): Remove last_insn and references to it.
9707 Moved insn chain verification code into a new function (see above).
9708 Delete defective code that sets last insn.
9709 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
9712 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9714 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
9716 2000-03-24 Richard Henderson <rth@cygnus.com>
9718 * tree.c (lang_safe_for_unsave): Remove.
9719 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
9720 allowing for two levels of unsafeness. Remove lang hook.
9721 * tree.h: Update declarations.
9722 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
9723 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
9724 Always fail sibcalls when there are pending cleanups.
9726 2000-03-24 Geoff Keating <geoffk@cygnus.com>
9728 * flow.c (propagate_block): When we delete an ADDR_VEC,
9729 also delete the BARRIER following it if there is one.
9731 2000-03-24 Richard Henderson <rth@cygnus.com>
9733 * builtins.c (expand_builtin_bzero): Convert `length' argument
9736 2000-03-24 Jakub Jelinek <jakub@redhat.com>
9738 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
9739 comparison if regno's are equal.
9740 * calls.c (initialize_argument_informat): Add ecf_flags argument.
9741 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9742 (expand_call): Update caller.
9743 Avoid making a sibling call if argument size of the callee is larger
9744 than argument size of the caller.
9745 Call hard_function_value with outgoing set if in sibcall pass.
9746 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9748 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
9749 Change LEAF_REGISTERS from an array initializer to actual array
9750 identifier. Move static global variable into the function.
9751 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
9752 sequences for leaf functions.
9753 * global.c (global_alloc): Likewise.
9754 * tm.texi (LEAF_REGISTERS): Update documentation.
9756 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
9757 TARGET_FLAT leaf disabling hack.
9758 (LEAF_REGISTERS): Changed from an array initializer to actual array
9759 identifier to avoid duplication and remove the above hack.
9760 (FUNCTION_OK_FOR_SIBCALL): Define.
9761 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
9762 always like call attribute.
9763 (eligible_for_sibcall_delay): New attribute.
9764 (sibcall): New delay type.
9765 (sibcall, sibcall_value, sibcall_epilogue): New expands.
9766 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
9767 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
9768 * config/sparc/sparc.c (sparc_leaf_regs): New array.
9769 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
9771 (output_function_epilogue): Move part of the code into
9772 output_restore_regs.
9773 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
9775 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
9778 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
9779 until infrastructure is finished.
9781 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
9783 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
9784 (save_parm_insns): Not here.
9786 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9788 * builtins.c (expand_builtin_bzero): New function.
9789 (expand_builtin): Handle bzero.
9791 * builtins.def: Add BUILT_IN_BZERO.
9793 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9794 prototype & function for bzero.
9796 2000-03-23 Michael Meissner <meissner@redhat.com>
9798 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
9799 change adding TARGET_FP to the TF floating point insns, except for
9800 trunctfsf2, which generates direct calls to truncdfsf2.
9802 2000-03-23 Geoff Keating <geoffk@cygnus.com>
9804 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
9805 try to protect against middle-end changes that break binary
9807 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
9809 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9811 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
9813 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9815 * calls.c (expand_call): If TARGET is passed by reference and
9816 is readonly, write a CLOBBER.
9818 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9820 * builtins.c (expand_builtin): Handle bcmp.
9822 * builtins.def: Add BUILT_IN_BCMP.
9824 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9825 prototype & function for bcmp.
9827 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
9829 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
9830 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
9831 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
9833 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
9835 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
9836 alternative when using -fp64 -gp32.
9838 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9840 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
9841 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
9842 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
9844 * frame.h (frame_state): Revert last change.
9845 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
9846 * libgcc2.c (throw_helper): Revert last change.
9848 2000-03-22 Richard Henderson <rth@cygnus.com>
9850 * stmt.c (expand_asm_operands): Don't promote the temporary.
9852 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
9854 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
9855 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
9856 c_get_alias_set): Likewise.
9857 * c-decl.c (duplicate_decls): Likewise.
9858 * c-typeck.c (default_conversion,build_unary_op): Likewise.
9859 * calls.c (initialize_argument_information): Likewise.
9860 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9862 * dwarfout.c (decl_class_context,output_type): Likewise.
9863 * expr.c (get_inner_reference): Likewise.
9864 * fold-const.c (simple_operand_p,fold): Likewise.
9865 * function.c (aggregate_value_p): Likewise.
9866 * stmt.c (expand_asm_operands): Likewise.
9867 * varasm.c (named_section): Likewise.
9869 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9871 Implement dwarf2 exception handling for the ARM.
9872 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9873 (DWARF_FRAME_RETURN_COLUMN): Define.
9874 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
9875 REG_FRAME_RELATED_EXPR note.
9876 (emit_sfm): Likewise.
9877 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9878 * dwarf2out.c (reg_save): Handle saving a register to itself.
9879 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9880 * except.c (eh_regs): Don't use the static chain reg if it's
9882 * frame.h (frame_state): Add cfa_saved field.
9883 * frame.c (execute_cfa_insn): Set it.
9884 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9886 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9888 (instantiate_virtual_regs): Adjust.
9890 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9891 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9892 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9894 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9895 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9897 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9899 * builtins.def: New file.
9901 * Makefile.in (TREE_H): Depend on builtins.def.
9903 * builtins.c (built_in_names): Use builtins.def.
9905 * tree.h (built_in_function): Likewise.
9907 2000-03-22 Mark Mitchell <mark@codesourcery.com>
9909 * tree.c (size_in_bytes): Return size_zero_node, not
9912 2000-03-22 Geoff Keating <geoffk@cygnus.com>
9914 * config/fp-bit.c (pack_d): Correct the case when a denormal
9915 is rounded up and stops being denormal.
9917 2000-03-21 Richard Henderson <rth@cygnus.com>
9919 * config/alpha/alpha.c (function_arg): Check for void_type_node
9920 before using MUST_PASS_IN_STACK.
9922 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
9924 * regmove.c (combine_stack_adjustments_for_block): Check that
9925 the stack pointer is a valid memory address.
9927 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
9929 * calls.c: re-install Mar 16 emit_library_call merge.
9931 2000-03-21 Jakub Jelinek <jakub@redhat.com>
9933 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9934 we cannot be sure that if reload_completed base register will
9935 be properly aligned.
9937 2000-03-21 Richard Henderson <rth@cygnus.com>
9939 * flow.c (delete_block): Fix typo last change.
9941 2000-03-21 Mark Mitchell <mark@codesourcery.com>
9943 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9944 not COMPLETE_TYPE_P, to check the type of the expression.
9946 2000-03-21 Michael Meissner <meissner@redhat.com>
9948 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9949 all floating point insns that just tested the macro
9950 TARGET_HAS_XFLOATING_LIBS.
9951 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9952 used to only use the gprs.
9954 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
9956 * tree.h (COMPLETE_TYPE_P): New macro.
9957 (COMPLETE_OR_VOID_TYPE_P): New macro.
9958 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9959 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9960 * c-aux-info.c (gen_type): Use them.
9961 * c-common.c (c_expand_expr_stmt): Likewise.
9962 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9963 grokdeclarator, grokparms, finish_struct, start_function,
9964 store_parm_decls, combine_parm_decls): Likewise.
9965 * c-parse.y (cast_expr): Likewise.
9966 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9967 c_size_in_bytes, c_alignof, build_component_ref,
9968 build_indirect_ref, build_array_ref, convert_arguments,
9969 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9970 * calls.c (initialize_argument_information): Likewise.
9971 * convert.c (convert_to_integer): Likewise.
9972 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9973 * dwarfout.c (location_or_const_value_attribute,
9974 output_enumeration_type_die, output_structure_type_die,
9975 output_union_type_die, output_type): Likewise.
9976 * expr.c (safe_from_p, expand_expr): Likewise.
9977 * function.c (assign_parms): Likewise.
9978 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9979 * tree.c (build_array_type, build_function_type,
9980 build_method_type, build_offset_type, build_complex_type): Likewise.
9981 * c-parse.c, c-parse.h: Regenerated.
9983 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9985 * config/c4x/rtems.h: Include config/rtems.h.
9987 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
9989 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9990 decl is a FUNCTION_DECL
9992 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
9994 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9995 function uses output registers. Don't save RP for leaf functions.
9996 Do save RP even if no epilogue.
9997 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9998 (CALL_USED_REGISTERS): Unmark in registers.
9999 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10000 to near the middle.
10002 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10004 * config/rs6000/rs6000.md (bunordered): New expander.
10005 (bordered): New expander.
10006 (buneq): New expander.
10007 (bunge): New expander.
10008 (bungt): New expander.
10009 (bunle): New expander.
10010 (bunlt): New expander.
10011 (bltgt): New expander.
10013 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10014 (ccr_bit_negated_p): New function.
10015 (print_operand): For %C, generate appropriate cror for UNEQ,
10016 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10018 2000-03-20 Andreas Jaeger <aj@suse.de>
10020 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10023 * tree.h (safe_for_unsave): Prototype.
10025 2000-03-20 Richard Henderson <rth@cygnus.com>
10027 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10028 (combine_stack_adjustments_for_block): Don't allow sp references
10029 in the side of a set we're not fixing up.
10030 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10031 after life_analysis.
10033 2000-03-20 Richard Henderson <rth@cygnus.com>
10035 * calls.c (expand_call): Don't bother generating tail call
10036 sequences if there are pending cleanups. Use
10037 expand_start_target_temps/expand_end_target_temps to elide
10038 cleanups created during sibcall expansion.
10040 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10042 * configure.in: Set $IFS to a value if it doesn't already have one
10043 in the --enable-checking handling.
10044 * configure: Regenerate.
10046 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10048 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10049 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10052 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10054 * jump.c (delete_noop_moves): Remove code attempting to
10055 combine stack adjustments.
10057 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10059 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10060 * except.c (emit_cleanup_handler): Use them.
10061 (expand_end_all_catch): Likewise.
10062 * function.c (fixup_var_refs): Likewise.
10063 (expand_function_end): Clear catch_clauses_last.
10064 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10065 * except.h (struct eh_status): New field x_catch_clauses_last.
10066 (catch_clauses_last): New define.
10068 * Makefile.in (tree.o): Depend on HASHTAB_H.
10069 * tree.c: Include hashtab.h.
10070 (struct type_hash): Remove next field.
10071 (TYPE_HASH_SIZE): Remove.
10072 (TYPE_HASH_INITIAL_SIZE): New define.
10073 (type_hash_table): Change type to htab_t.
10074 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10075 mark_hash_entry): New functions.
10076 (init_obstacks): Allocate type hash.
10077 (type_hash_lookup): Use htab functions.
10078 (type_hash_add, mark_type_hash): Likewise.
10079 (dump_tree_statistics): Call print_type_hash_statistics.
10081 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10083 * rs6000/t-aix41: New file.
10085 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10087 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10089 * tm.texi (Driver): Fix typos and tweak entry for
10091 Move misplaced STRUCT_FORCE_BLK entry ...
10092 (Storage Layout): ... to here.
10093 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10095 2000-03-19 Richard Henderson <rth@cygnus.com>
10097 * flow.c (delete_block): Delete the addr_vec along with the block.
10098 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10101 * fold-const.c (extract_muldiv): Apply type check for defined
10102 overflow to multiply as well as divide.
10104 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10106 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10108 * emit-rtl.c (remove_unncessary_notes): Check that all
10109 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10110 associated NOTE_BLOCK.
10111 * function.h (identify_blocks): Update comments.
10112 (reorder_blocks): Declare.
10113 * function.c (identify_blocks): Don't take paramters.
10114 (reorder_blocks): Don't take parameters.
10115 * loop.h (find_loop_tree_blocks): Remove.
10116 (unroll_block_trees): Likewise.
10117 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10118 reorder_blocks instead of unroll_block_trees.h
10119 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10120 * stmt.c (find_loop_tree_blocks): Remove.
10121 (unroll_block_trees): Likewise.
10122 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10123 in whole-function mode.
10124 * tree.h (reorder_blocks): Remove declaration.
10126 * expr.c: Include intl.h.
10127 * Makefile.in (expr.o): Depend on intl.h.
10129 2000-03-18 Richard Henderson <rth@cygnus.com>
10131 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10133 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10135 * tree.h (tree_index): Remove enumerals for integer types.
10136 (integer_type_kind): New type.
10137 (integer_types): New variable.
10138 (char_type_node): Adjust.
10139 (signed_char_type_node): Likewise.
10140 (unsigned_char_type_node): Likewise.
10141 (short_integer_type_node): Likewise.
10142 (short_unsigned_type_node): Likewise.
10143 (integer_type_node): Likewise.
10144 (unsigned_type_node): Likewise.
10145 (long_integer_type_node): Likewise.
10146 (long_unsigned_type_node): Likewise.
10147 (long_long_integer_type_node): Likewise.
10148 (long_long_unsigned_type_node): Likewise.
10149 * tree.c (integer_types): New variable.
10150 (init_obstacks): Register it as a root.
10152 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10154 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10155 NEXT_INSN. Update last insn in chain.
10157 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10159 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10160 with TYPE_DECL_SUPPRESS_DEBUG set.
10162 2000-03-18 Richard Henderson <rth@cygnus.com>
10164 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10166 2000-03-18 Richard Henderson <rth@cygnus.com>
10168 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10169 care for HALF_PIC_P.
10170 (expander_call_insn_operand): Remove.
10171 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10172 * i386.h (PREDICATE_CODES): Update.
10173 * i386.md (all call expanders): Remove predicates, remove special
10174 handling for half-pic.
10175 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10176 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10177 (sibcall_epilogue): New.
10179 2000-03-17 Richard Henderson <rth@cygnus.com>
10181 * rtlanal.c (single_set): Reject if the parallel has anything
10182 except SET or USE or CLOBBER.
10184 2000-03-17 Jeff Law <law@cygnus.com>
10185 Richard Henderson <rth@cygnus.com>
10187 * Makefile.in (OBJS): Add sibcall.o.
10189 * sibcall.c: New file.
10190 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
10191 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
10192 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
10193 Emit sibcall patterns when requested. Update all callers.
10194 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
10195 elimination seems feasable.
10196 * final.c (leaf_function_p): Sibling calls don't discount being
10198 * flow.c (HAVE_sibcall_epilogue): Provide default.
10199 (find_basic_blocks_1): Sibling calls don't throw.
10200 (make_edges): Make edge from sibling call to EXIT.
10201 (propagate_block): Don't remove sibcall_epilogue insns.
10202 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
10203 (sibcall_epilogue): New.
10204 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
10205 (identify_blocks_1): Likewise. Break out from ...
10206 (identify_blocks): ... here.
10207 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
10208 (reorder_blocks): ... here.
10209 (init_function_for_compilation): Zap prologue/epilogue as varrays.
10210 (record_insns): Extend a varray instead of mallocing new memory.
10211 (contains): Read a varray not array of ints.
10212 (sibcall_epilogue_contains): New.
10213 (thread_prologue_and_epilogue_insns): Emit and record
10214 sibcall_epilogue patterns.
10215 (init_function_once): Allocate prologue/epilogue varrays.
10216 * genflags.c (gen_insn): Treat sibcall patterns as calls.
10217 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
10218 Broken out from ...
10219 (save_for_inline_nocopy): ... here.
10220 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
10221 Broken out from ...
10222 (expand_inline_function): ... here.
10223 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
10224 (subst_constants): Handle 'n' formats.
10225 * jump.c (jump_optimize_minimal): New.
10226 (jump_optimize_1): New arg `minimal'; update callers. Elide most
10227 optimizations if it's set.
10228 * rtl.c (copy_rtx): Do copy jump & call for insns.
10229 * rtl.h (struct rtx_def): Document use of jump and call for insns.
10230 (SIBLING_CALL_P): New.
10231 (sibcall_use_t): New.
10232 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
10233 Invoke optimize_sibling_and_tail_recursive_calls.
10234 * tree.c (lang_safe_for_unsave): New.
10235 (safe_for_unsave): New.
10236 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
10238 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
10239 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
10240 (*sibcall_osf_1, *sibcall_value_osf_1): New.
10242 2000-03-17 Mark Mitchell <mark@codesourcery.com>
10244 * objc/objc-act.c (encode_method_prototype): Pass types, not
10245 PARM_DECLs, to int_size_in_bytes.
10247 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
10249 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
10251 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10252 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
10254 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10256 * Clean up usages of TREE_INT_CST_LOW.
10257 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
10258 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10260 * c-tree.h (min_precision): Move declaration to here.
10261 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
10262 (build_unary_op, add_pending_init): Use bit_position.
10263 (pending_init_member, process_init_element): Likewise.
10264 (really_start_incremental_init, push_init_level, pop_init_level):
10265 Don't make copies of nodes or modify them in place, use consistent
10266 types when tracking positions, and use tree routines computations.
10267 (set_init_index, output_init_element): Likewise.
10268 (output_pending_init_elements, process_init_element): Likewise.
10269 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
10270 tree_low_cst and int_bit_position; also minor cleanup.
10271 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
10272 (print_cst_octal): Precision is unsigned.
10273 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
10274 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
10275 (simple_type_align_in_bits): Result is unsigned int.
10276 Use tree_int_low_cst and host_integerp.
10277 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
10278 (field_byte_offset): Result is HOST_WIDE_INT.
10279 Change types of internal variables so alignments are unsigned int,
10280 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
10281 Use host_integerp, tree_low_cst, and int_bit_position.
10282 (add_bit_offset_attribute): Likewise.
10283 (add_data_member_location_attribute): Use tree_cst_low.
10284 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
10285 (add_bit_size_attribute): Use tree_low_cst.
10286 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
10287 * dwarfout.c: Similar changes to dwarf2out.c.
10288 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
10289 * genoutput.c (n_occurences): Return -1 for null string.
10290 (strip_whitespace): Accept null string and make into function.
10291 (scan_operands): Reflect above changes.
10292 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
10293 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
10294 * ssa.c (rename_registers): Add missing cast of arg to bzero.
10295 * tree.c (int_size_in_bytes): Check for too big to represent.
10296 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
10297 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
10299 (min_precision): Delete from here.
10300 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
10301 and int_bit_position.
10302 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
10303 (encode_method_def): Likewise.
10304 (build_ivar_list_initializer): Use int_bit_position.
10305 (generate_shared_structures): Convert size.
10306 (encode_type, encode_complete_bitfield): Use integer_zerop.
10307 (encode_bitfield): Use tree_low_cst and int_bit_position.
10309 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10311 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
10313 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10315 * call.c (special_function_p): It is only malloc if it returns
10318 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10320 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
10321 (C33_FLAG, TARGET_C3X): Add macros.
10322 (TARGET_SWITCHES): Add -m33 option.
10323 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
10325 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10327 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
10328 (PARALLEL_PACK_FLAG): Delete.
10329 (TARGET_SWITCHES): Update.
10330 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
10332 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10334 * fold-const.c (fold): Fix a few cases when the returned result
10335 is not of the same type as the input.
10337 2000-03-16 Nick Clifton <nickc@cygnus.com>
10339 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
10342 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10344 * libgcc2.h: Move prototypes above macros with the same name.
10345 Wrap some function prototypes in the conditional which indicates
10346 whether they are supported, i.e. "BITS_PER_UNIT == 8".
10348 2000-03-16 Richard Henderson <rth@cygnus.com>
10350 * calls.c: Revert last two changes.
10352 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
10354 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
10355 has exponent 0 is a zero.
10357 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
10358 HASH may already be nonzero. Add code/mode into hash value
10359 immediately after repeat label.
10360 (cselib_lookup): Don't leave the hash table in an inconsistent
10361 state before a hash lookup operation.
10363 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
10365 * i386.md (all HI and QI mode non-move patterns): Conditionize
10366 by TARGET_[HQ]IMODE_MATH.
10367 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10368 x86_promote_qi_regs): Declare.
10369 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
10370 TARGET_PROMOTE_QI_REGS): New macros.
10371 (PROMOTE_MODE): New macro.
10372 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10373 x86_promote_qi_regs): New global variables.
10375 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
10377 * calls.c (emit_library_call_value_1): Break out from ...; handle
10378 VOIDmode function calls too.
10379 (emit_library_call_value): ... here.
10380 (emit_library_call): Implement by calling emit_library_call_value_1.
10382 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10384 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
10385 Update arg_space_so_far on stack adjustments.
10386 (emit_library_call, emit_library_call_value): Likewise; take into
10387 account arg_space_so_far and pending_stack_adjust when calculcating
10390 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
10392 * flow.c: Move all basic block reordering code into its own file.
10393 (create_basic_block): Externalize.
10394 * bb-reorder.c: New file. Copy all basic block reordering code from
10395 flow.c to this file.
10396 (reorder_basic_blocks): Fix fencepost error in for-loop.
10397 (reorder_basic_blocks): Remove braces from single statement for-loops.
10398 * basic-block.h: Add declaration for create_basic_block.
10399 * Makefile.in: Add rules for bb-reorder.o.
10401 2000-03-16 Neil Booth <NeilB@earthling.net>
10403 * cppinit.c (handle_option): Implement #unassert directive
10404 as -A- command line option.
10405 (print_help): Update.
10406 * cpptexi.c: Update.
10408 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
10410 * md.texi (Standard Names): Document `jump'.
10412 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10414 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
10417 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10419 Merge changes from newppc-branch onto trunk.
10421 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10423 * rs6000.c (toc_hash_table): Update for new hash table functions.
10424 (toc_hash_function): Likewise.
10425 (toc_hash_eq): Likewise.
10426 (toc_hash_mark_entry): Likewise.
10427 (toc_hash_mark_table): Likewise.
10428 (output_toc): Likewise.
10429 (rs6000_add_gc_roots): Likewise.
10431 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10433 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
10434 (AR_FLAGS_FOR_TARGET): here. New macro.
10436 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
10438 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
10439 fpmem_operand) Delete.
10441 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
10442 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
10443 (rs6000_save_machine_status, rs6000_restore_machine_status,
10444 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
10445 references to above variables.
10446 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
10447 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
10448 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
10449 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
10450 (XER_REGNO_P, XER_REGNO): New.
10451 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
10452 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
10453 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
10455 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10456 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
10457 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
10459 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10461 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
10462 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
10463 * rs6000.h: from here.
10465 * rs6000-protos.h (rs6000_select_section): Provide prototype.
10466 (rs6000_select_rtx_section): Likewise.
10467 (rs6000_encode_section_info): Likewise.
10468 (sdata_section): Likewise.
10469 (sdata2_section): Likewise.
10470 (sbss_section): Likewise.
10471 * sysv4.h (rs6000_select_section): Delete prototype.
10472 (rs6000_select_rtx_section): Likewise.
10473 (rs6000_encode_section_info): Likewise.
10474 (sdata_section): Likewise.
10475 (sdata2_section): Likewise.
10476 (sbss_section): Likewise.
10477 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
10479 * sysv4.h: Delete various unnecessary #undef's and put a comment
10480 on the remaining ones.
10481 Change various comments according to coding standard.
10483 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
10485 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
10486 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
10487 (CR0_REGNO_P) Remove.
10488 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
10489 setup_incoming_varargs, mtcrf_operation, print_operand,
10490 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
10491 Use the above macros.
10493 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
10495 * config/rs6000/rs6000.md: Added a new alternative for each
10496 pattern that had a 'x' alternative but no 'y' alternative.
10497 Added a new split for each of the above patterns.
10499 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10501 * aix41.h (ASM_CPU_SPEC): Delete.
10502 (CPP_CPU_SPEC): Delete.
10504 * aix.h (RS6000_OUTPUT_BASENAME): Define.
10505 (ASM_OUTPUT_LABEL): Define.
10506 (ASM_GLOBALIZE_LABEL): Define.
10507 (STRIP_NAME_ENCODING): Define.
10508 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
10509 (STRIP_NAME_ENCODING): Don't define.
10510 (ASM_OUTPUT_LABEL): Don't define.
10511 (ASM_GLOBALIZE_LABEL): Don't define.
10512 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
10513 names, and ASM_OUTPUT_LABEL to output labels, rather than
10515 (ASM_OUTPUT_LABEL): Define.
10516 (ASM_OUTPUT_INT): Use assemble_name.
10517 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
10518 (STRIP_NAME_ENCODING): Don't undefine first.
10519 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
10521 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
10522 specified with 'asm' even with -fleading-underscore.
10523 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
10524 (output_epilog): Likewise.
10525 (output_toc): Likewise.
10526 * tramp.asm: Handle -fleading-underscore correctly.
10528 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
10530 (nonlocal_goto_receiver): Delete.
10531 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
10533 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
10534 (SET_ASM_OP): Define.
10535 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
10537 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
10538 (ASM_LONG): Define.
10540 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
10541 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
10543 * rs6000.h: Add 'u' to more constants.
10545 2000-02-18 David Edelsohn <edelsohn@gnu.org>
10547 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
10549 2000-02-15 David Edelsohn <edelsohn@gnu.org>
10551 * rs6000.c (reg_or_u_cint_operand): New function.
10552 (logical_operand): Handle 64-bit hosts.
10553 (logical_u_operand): New function.
10554 (non_logical_cint_operand): Handle 64-bit hosts.
10555 (non_logical_u_cint_operand): New function.
10556 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
10557 (PREDICATE_CODES): Define new functions.
10558 * rs6000-protos.h: Declare new functions.
10559 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
10560 (movdi_64): Bracket code intended for 64-bit hosts. Create
10561 CONST_DOUBLE for 32-bit values.
10562 (scc insns): Generate DImode compares.
10563 (mfcr insns): Create DImode versions.
10564 (sge matchers): New patterns.
10566 2000-02-15 Gabriel Paubert <paubert@iram.es>
10568 * rs6000.md: Correct instructions length attributes and
10569 constraints on unsigned compare instructions.
10570 (*ne0): Disable for PowerPC64.
10572 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10574 * rs6000.c (output_function_profiler): Use .long for a 32-bit
10575 quantity, fix profile1.C test failure under -fPIC.
10577 * rs6000.c: Add 'u' to many constants to suppress warnings.
10578 (constant_pool_expr_1): Make static.
10579 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
10580 * rs6000.h: Add 'u' to many constants to suppress warnings.
10582 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
10583 for the start of the TOC, instead of LCTOC..0.
10584 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
10586 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
10587 (load_toc_aix_di): Use LCTOC..1.
10589 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
10590 * rs6000.c (rs6000_legitimize_address): New function from
10591 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
10592 symbols in the constant pool that really are TOC references.
10593 (print_operand_address): For ELF, write TOC offsets under
10594 -fPIC as subtractions in the insn.
10595 (output_toc): For ELF, define symbols in TOC as normal labels,
10597 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
10598 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
10599 (create_TOC_reference): Prototype only when RTX_CODE is defined.
10600 * rs6000.md (movsi): Only use create_TOC_reference on
10601 symbols in the constant pool that really are TOC references.
10603 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
10604 * rs6000.c (rs6000_reorg): Delete.
10605 * rs6000-protos.h (rs6000_reorg): Delete.
10607 2000-02-09 Geoff Keating <geoffk@cygnus.com>
10609 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
10611 * aix.h (SETUP_FRAME_ADDRESSES): Define.
10612 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
10613 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
10614 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
10615 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
10616 rs6000_aix_emit_builtin_unwind_init.
10617 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
10618 rs6000_emit_eh_toc_restore on AIX.
10619 (return_eh_si): Use r2.
10620 (return_eh_di): Use r2.
10622 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
10623 since we're breaking binary compatibility anyway.
10625 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10627 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
10628 constant_pool_expr_p): Declare them.
10629 (constant_pool_expr_p): Declare it.
10630 * config/rs6000/rs6000.c (toc_label_name): Define.
10631 (rs6000_override_options): Set toc_label_name.
10632 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
10633 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
10634 uses_TOC): New functions.
10635 (print_operand): Delete old '*' case.
10636 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
10637 and strip off rtl for TOC before calling output_addr_const.
10638 (rs6000_emit_load_toc_table): Use toc_label_name.
10639 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
10641 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
10642 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
10643 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
10644 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
10645 into explicit TOC_REGISTER offsets.
10646 (TOC_REGISTER): New macro.
10647 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
10648 TARGET_TOC to reference TOC_REGISTER.
10649 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
10650 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
10651 uses_TOC before emitting label references.
10653 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10655 * rs6000.md (stack_tie): Fix warning.
10657 * eabi-ctors.c: Use 'asm' names for the start/end variables,
10658 to handle -fleading-underscore.
10659 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
10660 (USER_LABEL_PREFIX): New macro.
10661 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
10662 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
10663 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
10664 call-linux can use the same multilibs.
10665 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
10666 and call-linux multilibs. Do multilib with -fleading-underscore.
10667 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
10668 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
10671 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
10672 have MASK_SOFT_FLOAT set.
10673 (CPP_FLOAT_DEFAULT_SPEC): New macro.
10674 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
10675 CPP_FLOAT_DEFAULT_SPEC.
10677 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
10678 * rs6000.md: Whitespace change.
10679 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
10680 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
10682 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10684 * rs6000.md (eh_epilogue): New expander.
10685 (eh_reg_restore): New expand/split/insn combination.
10686 (return_eh_si): New insn.
10687 (return_eh_di): New insn.
10689 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
10690 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
10691 * eabi-ctors.c (__do_global_ctors): Register this object's
10692 frame. Clean up. Call atexit() after the constructors.
10693 (__do_global_dtors): Deregister this object's frame. Clean up.
10694 Allow for recursive calls to exit().
10695 * rs6000.c (fixuplabelno): New variable.
10696 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
10697 TARGET_RELOCATABLE, it slows down exec() under linux.
10698 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
10700 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
10701 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
10702 (ASM_OUTPUT_DWARF_DELTA2): New macro.
10703 (ASM_OUTPUT_DWARF_DELTA4): New macro.
10704 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
10705 (ASM_OUTPUT_DWARF_ADDR): New macro.
10706 (ASM_OUTPUT_DWARF_DATA4): New macro.
10707 (ASM_OUTPUT_DWARF_DATA2): New macro.
10708 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
10709 (ASM_OUTPUT_DWARF_OFFSET): New macro.
10710 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
10712 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10714 * rs6000.c (rs6000_sr_alias_set): New variable.
10715 (rs6000_override_options): Initialise rs6000_sr_alias_set.
10716 (rs6000_emit_stack_tie): New function.
10717 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
10718 in a way that dwarf2out can understand.
10719 (rs6000_frame_related): New function.
10720 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
10721 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
10722 Use rs6000_emit_stack_tie when needed.
10723 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
10724 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
10725 * rs6000.md (stack_tie): New insn.
10726 (return_internal_si): Allow return value to be in the count
10728 (return_internal_di): Likewise.
10730 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
10732 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10734 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
10736 2000-01-31 Geoff Keating <geoffk@cygnus.com>
10738 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
10740 * rs6000.md (stmw): Use the right POWER opcode.
10743 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10745 * rs6000-protos.h: New file.
10747 * rs6000.c: Include tm_p.h. Fix compile time warnings.
10749 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
10752 * sysv4.h: Likewise.
10754 2000-01-28 Geoff Keating <geoffk@cygnus.com>
10756 * ../../configure.in: Delete powerpcle-*-winnt*
10757 and powerpcle-*-pe|powerpcle-*-cygwin*.
10758 * ../../configure: Regenerated.
10759 * cygwin.h: Delete.
10760 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
10761 (TARGET_WINDOWS_NT): Delete.
10763 (CALL_NT_DLLIMPORT): Delete.
10764 Delete NT-specific code.
10765 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
10766 * win-nt.h: Delete.
10768 * nt-ci.asm: Delete.
10769 * nt-cn.asm: Delete.
10770 * ntstack.asm: Delete.
10772 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10774 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
10775 (ASM_FILE_START): Likewise.
10776 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10777 (ASM_OUTPUT_LABELREF): Likewise.
10778 (ASM_OUTPUT_SKIP): Likewise.
10779 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
10780 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10781 (ASM_OUTPUT_CASE_LABEL): Likewise.
10782 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10783 (ASM_OUTPUT_ASCII): Likewise.
10785 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
10787 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
10788 reload_toc_labelno for non-prologue TOC reloads. Also, don't
10789 increment rs6000_pic_labelno here.
10790 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
10791 and increment rs6000_pic_labelno here.
10793 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
10795 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
10796 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
10797 allocation knows (reg) is dead before the insn.
10799 2000-01-21 Geoff Keating <geoffk@cygnus.com>
10801 * rs6000.md (movsi_to_cr): Correct typo in output template.
10803 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10805 * rs6000.c (rs6000_pic_labelno): Always define.
10806 (rs6000_pic_func_labelno): Delete.
10807 (lmw_operation): Check for a zero base register,
10808 which doesn't mean what we want.
10809 (stmw_operation): New function.
10810 (print_operand): Define new 'l' modifier.
10811 (rs6000_stack_info): We must save all 64 bits of the registers
10812 if TARGET_POWERPC64.
10813 (rs6000_output_load_toc_table): Delete.
10814 (rs6000_emit_load_toc_table): New function.
10815 (rs6000_allocate_stack_space): Delete.
10816 (rs6000_emit_allocate_stack): New function.
10817 (rs6000_emit_prologue): New function.
10818 (output_prolog): Use rs6000_emit_prologue.
10819 (rs6000_emit_epilogue): Change a few variable names to be
10820 more accurate. Restore all 64 bits of the registers if
10821 TARGET_POWERPC64. Only restore the FP registers which were used
10822 if they are being saved/restored one-at-a-time.
10823 (output_mi_thunk): Delete inefficient code generation.
10824 (output_function_profiler): Don't use rs6000_output_load_toc_table.
10825 * rs6000.h: Declare rs6000_emit_load_toc_table,
10826 rs6000_allocate_stack_space, stmw_operation. Don't declare
10827 rs6000_output_load_toc_table.
10828 * rs6000.md (elf_high): Allow register 0, but discourage it
10830 (elf_low): Support loading into register 0.
10831 (load_toc_aix_si): New pattern.
10832 (load_toc_aix_di): New pattern.
10833 (load_toc_v4_pic_si): New pattern.
10834 (load_toc_v4_pic_di): New pattern.
10835 (load_toc_v4_PIC_1): New pattern.
10836 (load_toc_v4_PIC_1b): New pattern.
10837 (load_toc_v4_PIC_2): New pattern.
10838 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
10839 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
10840 (prologue): New expander.
10841 (movesi_from_cr): New pattern.
10842 (stmw): New pattern.
10843 (save_fpregs_si): New pattern.
10844 (save_fpregs_di): New pattern.
10846 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10848 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
10853 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10855 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
10857 (movsi_got_internal): Likewise.
10858 (movsi_got_internal+1): Likewise.
10859 (set_sp): 'unspec 7' does a SImode clobber.
10861 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10863 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
10864 allocate a stack temporary.
10865 (floatsidf2_internal): Likewise.
10866 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
10868 (floatunssidf2): Don't use the fpmem "register", just
10869 allocate a stack temporary.
10870 (floatunssidf2_internal): Likewise.
10871 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
10873 (floatsidf2_loadaddr): Delete.
10874 (floatsidf2_store1): Delete.
10875 (floatsidf2_store2): Delete.
10876 (floatsidf2_load): Delete.
10877 (fix_truncdfsi2): Don't use the fpmem "register", just
10878 allocate a stack temporary.
10879 (fix_truncdfsi2_internal_si): Delete.
10880 (fix_truncdfsi2_internal_di): Delete.
10881 (fix_truncdfsi2_internal): New insn.
10882 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10883 (fix_truncdfsi2_store): Delete.
10884 (fix_truncdfsi2_load): Delete.
10885 (fctiwz): Produce gen_fctiwz.
10887 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10889 * eabi.h (INVOKE__main): Define.
10890 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10892 (rs6000_emit_prologue): Likewise.
10893 * rs6000.h (struct rs6000_stack): Don't keep track of whether
10894 this is the main program.
10896 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10898 * rs6000.c (rs6000_va_arg): Delete some unused variables.
10900 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10902 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10903 goes after the argument.
10905 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10907 * rs6000.md: Document 'unspec' values used.
10908 (epilogue): New expander.
10909 (movesi_to_cr_one): New expander.
10910 (movesi_to_cr and following): New pattern.
10911 (lmw): New pattern.
10912 (return_internal_si): New pattern.
10913 (return_internal_di): New pattern.
10914 (return_and_restore_fpregs_si): New pattern.
10915 (return_and_restore_fpregs_di): New pattern.
10916 * rs6000.h: Declare new functions.
10917 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10918 rather than rs6000_calls_p.
10919 (rs6000_makes_calls): Delete.
10920 (lmw_operation): New function.
10921 (mtcrf_operation): New function.
10922 (rs6000_emit_epilogue): New function.
10923 (output_epilog): Call rs6000_emit_epilogue and final if
10924 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10926 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10928 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10929 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10930 * aix.h (SUBTARGET_SWITCHES): Document switches.
10931 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
10932 sched-prolog and sched-epilog the same. Document all the
10934 (TARGET_OPTIONS): No longer allow -mdebug-.
10936 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10938 * rs6000.h (ASM_FILE_END): Move to aix.h.
10939 (EXTRA_SECTIONS): Move to aix.h.
10940 (READONLY_DATA_SECTION): Move to aix.h.
10941 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10942 (SELECT_SECTION): Move to aix.h.
10943 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10944 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10945 (LINK_REGISTER_REGNUM): New definition.
10946 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10947 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10949 * sysv4.h: Delete the code between the inclusion of rs6000.h
10951 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10952 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10953 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
10954 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10955 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10956 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10957 (fix_truncdfsi2_internal_di): New pattern.
10958 (fix_truncdfsi2_store): The second arg here is Pmode too.
10959 (fix_truncdfsi2_load): The second arg here is Pmode too.
10960 (tablejumpdi): Now that switch tables hold only SImode values,
10961 gcc needs to know how to add them to the pc which is DImode.
10962 * rs6000.c (rs6000_stack_info): Use symbolic name for
10963 LINK_REGISTER_REGNUM.
10964 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10965 (output_toc): Delete unused variables s1 and s2.
10966 (output_ascii): Use fputs not fprintf on a variable string.
10968 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10970 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10971 * aix43.h: Revert Aug 2 change.
10972 (HAS_INIT_SECTION): Define, not visible yet.
10973 (LD_INIT_SWITCH): Define, not visible yet.
10974 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10976 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10978 * config/rs6000/rtems.h: Include config/rtems.h.
10980 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10982 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10983 (SLOW_UNALIGNED_ACCESS): Define.
10984 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10985 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10986 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10987 (toc_section): Likewise and .toc pseudo-op.
10988 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10990 (TEXT_SECTION_ASM_OP): Likewise.
10991 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10994 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10996 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10997 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11000 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11002 * rs6000.h: Move more stuff from here...
11004 * sysv4.h: Cleanup accordingly.
11005 * netware.h: Likewise
11007 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11009 * rs6000.h: Continue cleanup.
11011 * lynx.h: Likewise.
11012 * netware.h: Likewise.
11013 * sol2.h: Likewise.
11014 * sysv4.h: Likewise.
11015 * win-nt.h: Likewise.
11017 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11018 (TARGET_OPTIONS): Likewise.
11020 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11021 (SUBTARGET_OPTIONS): Likewise.
11023 * rs6000.md: Fix compile time warnings.
11025 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11027 vxworks patches from the Cygnus tree originally by
11028 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11029 <vmakarov@cygnus.com>.
11030 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11031 (ENDFILE_SPEC): Likewise.
11032 (LIB_VXWORKS_SPEC): New macro.
11033 (STARTFILE_VXWORKS_SPEC): New macro.
11034 (ENDFILE_VXWORKS_SPEC): New macro.
11035 (LINK_START_VXWORKS_SPEC): New macro.
11036 (LINK_OS_VXWORKS_SPEC): New macro.
11037 (CPP_OS_VXWORKS_SPEC): New macro.
11038 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11039 * vxppc.h: Rewrite to use proper configuration method.
11040 * vxppcle.h: New file.
11041 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11042 * ../../configure: Rebuilt.
11044 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11046 Lots of changes to rs6000.h, sysv4.h, aix.h,
11047 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11048 with the aim that rs6000.h is the first header
11049 included and the others override it.
11052 * x-aix41-gld: Remove.
11054 * x-aix41: Remove target-specific switches, and don't specify
11055 -Wl,-bbigtoc as we don't need it any more.
11056 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11057 Use t-aix43 for AIX 4.3 and above.
11058 * ../../configure: Regenerated.
11060 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11061 options, that don't do anything yet.
11062 (MASK_SCHED_PROLOG): New macro.
11063 (MASK_SCHED_EPILOG): New macro.
11064 (TARGET_SCHED_PROLOG): New macro.
11065 (TARGET_SCHED_EPILOG): New macro.
11067 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11069 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11070 one per translation unit, not one per function.
11071 (output_toc): Also do duplicate constant elimination
11072 for per-translation-unit TOCs.
11074 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11075 a comment explaining _exactly_ when this pattern gets used.
11076 (builtin_setjmp_receiver): New pattern for better clarity.
11077 (init_v4_pic): Move it into a section dealing with TOC registers.
11079 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11081 * rs6000.c (toc_hash_table): New variable.
11082 (rs6000_hash_constant): New function.
11083 (toc_hash_function): New function.
11084 (toc_hash_eq): New function.
11085 (toc_hash_mark_entry): New function.
11086 (toc_hash_mark_table): New function.
11087 (output_toc): Don't output duplicate TOC entries in
11089 (rs6000_add_gc_roots): Add the hash table as a GC root.
11090 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11091 where they clearly shouldn't be. This may need to be fixed
11092 later when there is a GNU ar for AIX.
11093 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11094 Don't define BOOT_LDFLAGS as it is now not necessary.
11096 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11098 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11099 for va_list on AIX. Use unsigned_char_type_node rather than
11100 constructing our own version on svr4.
11102 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11104 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11105 since patently it's not.
11107 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11109 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11110 define_expand/define_insn pair, and handle restore of the
11111 SVR4 -fpic register.
11113 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11115 * acconfig.h (HAVE_GAS_WEAK): New define.
11116 * configure.in (assembler weak support): Check for .weak support.
11117 * config.in, configure: Rebuilt.
11118 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11119 HAVE_GAS_WEAK is defined.
11121 2000-03-15 Nick Clifton <nickc@cygnus.com>
11123 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11126 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11128 * cppfiles.c (open_include_file): New function.
11129 (find_include_file, cpp_read_file): Use it.
11131 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11133 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11135 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11137 * flow.c (verify_flow_info): Check for unconditional return.
11139 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11141 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11142 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11143 (__ia64_restore_stack_nonlocal): New.
11144 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11146 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11148 * cpphash.c (collect_formal_parameters): Do not complain about
11149 parameter names that just start with `__VA_ARGS__'.
11151 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11153 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11154 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11155 * i386.c (pentiumpro_cost): Set mul cost to 4.
11156 (x86_use_movx): Set for PPro.
11158 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11160 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11161 STACK_BOUNDARY for empty frames now.
11163 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11165 * stor-layout.c (layout_union): Remove.
11166 (layout_union_field): New function, split out from layout_union.
11167 (finish_union_layout): Likewise.
11168 (layout_field): Handle unions by calling layout_union_field.
11169 (finish_record_layout): Handle unions.
11170 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11171 QUAL_UNION_TYPE handling.
11173 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11175 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11176 end of basic block is jump_insn, not barrier; use create_basic_block
11177 instead of creating basic block by hand.
11179 2000-03-14 Jason Eckhardt <jle@cygnus.com>
11181 * flow.c (reorder_basic_blocks): Account for barriers when writing
11182 over NEXT_INSN (last_bb->end).
11183 (verify_flow_info): Add check for missing barriers.
11185 2000-03-14 Greg McGary <gkm@gnu.org>
11187 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
11188 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
11189 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
11190 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
11191 __unbounded, __unbounded__): New keywords.
11192 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
11193 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
11194 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
11196 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
11198 * cselib.h: New file.
11199 * alias.c: Include "cselib.h".
11200 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
11201 MEMs as two new arguments.
11202 (get_addr): New static function.
11203 (find_base_term): Handle VALUEs.
11204 (memrefs_conflict_p): Likewise.
11205 (true_dependence): Call get_addr on the addresses.
11206 Call fixed_scalar_and_varying_struct_p with addresses that have been
11207 passed through get_addr and canon_rtx.
11208 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
11209 with true_dependence.
11210 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
11211 * loop.c: Include "cselib.h".
11212 (load_mems): Process extended basic block that enters the loop with
11213 cselib. Use that information to change initialization of the shadow
11214 register so that a constant equivalence is seen by later passes.
11215 * reload1.c: Include "cselib.h".
11216 (reload_cse_invalidate_regno): Delete function.
11217 (reload_cse_mem_conflict_p): Likewise.
11218 (reload_cse_invalidate_mem): Likewise.
11219 (reload_cse_invalidate_rtx): Likewise.
11220 (reload_cse_regno_equal_p): Likewise.
11221 (reload_cse_check_clobber): Likewise.
11222 (reload_cse_record_set): Likewise.
11223 (reg_values): Delete static variable.
11224 (invalidate_regno_rtx): Likewise.
11225 (reload_cse_delete_noop_set): New static function.
11226 (reload_cse_simplify): New static function, broken out of
11228 (reload_cse_noop_set_p): Delete unused argument INSN.
11229 Just call rtx_equal_for_cselib_p on set source and destination.
11230 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
11231 reload_cse_delete_noop_set. Delete code to keep track of values; use
11232 cselib functions instead. Delete code to push/pop obstacks.
11233 (reload_cse_simplify_set): Use cselib to find equivalent values.
11234 Delete code to push/pop obstacks.
11235 (reload_cse_simplify_operands): Likewise.
11236 * rtl.def (VALUE): New rtx code.
11237 * rtl.h (union rtunion_def): New elt rt_cselib.
11238 (X0CSELIB, CSELIB_VAL_PTR): New macros.
11239 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
11240 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
11241 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
11242 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
11243 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
11244 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
11245 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
11246 cselib_record_set, cselib_record_sets): New static functions.
11247 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
11248 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
11249 references_value_p): New functions.
11250 (MAX_USELESS_VALUES, REG_VALUES): New macros.
11251 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
11252 n_useless_values, reg_values, callmem, cselib_obstack,
11253 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
11254 New static variables.
11255 * varray.h (union varray_data_tag): New elt te.
11256 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
11257 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
11260 2000-03-14 Nick Clifton <nickc@cygnus.com>
11262 * gcc.c (do_spec_1): Catch the case where %* is used in a
11263 substitution pattern, but it has not been initialised.
11264 Issue a meaningful error message if an unrecognised operator
11265 is encountered in a spec string.
11267 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
11269 * function.c (prepare_function_start): Correctly initialize
11270 cfun->stack_alignment_needed.
11272 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
11274 * cppfiles.c (find_include_file): Don't assume nshort is a
11277 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
11279 * configure.in (hppa configurations): Add pa32-regs.h to the
11280 list of tm files as appropriate.
11281 * configure: Rebuilt.
11282 * pa.c (compute_frame_size): Remove explicit knowledge about FP
11283 register numbering.
11284 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11285 (fmpyaddoperands, fmpysuboperands): Likewise.
11286 * pa.h: Remove various definitions which depend on knowing
11287 how registers are numbered.
11288 * pa32-regs.h: New file with PA32 register numbering specific
11291 2000-03-14 Richard Henderson <rth@cygnus.com>
11293 * regmove.c (combine_stack_adjustments): New.
11294 (stack_memref_p, single_set_for_csa): New.
11295 (free_csa_memlist, record_one_stack_memref): New.
11296 (try_apply_stack_adjustment): New.
11297 (combine_stack_adjustments_for_block): New.
11298 * rtl.h (combine_stack_adjustments): Declare.
11299 * toplev.c (rest_of_compilation): Call it.
11301 * i386.md: Revert 2000-01-16 change.
11303 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11305 * gccbug.in: Add web category, gcc specific classes.
11307 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
11309 * stor-layout.c (finalize_record_size): Fix typo.
11311 2000-03-14 Stan Shebs <shebs@apple.com>
11313 * c-typeck.c (c_alignof): Error on incomplete types.
11314 * extend.texi (Alignment): Document this.
11316 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11318 * cppfiles.c: Include mkdeps.h.
11319 (find_include_file, read_include_file): Remove _cpp_ prefix
11320 from name, make static.
11321 (_cpp_execute_include): New function, broken out of
11324 * cpplib.c: Don't include mkdeps.h.
11325 (struct directive): Remove type field. Reorder entries. The
11326 function takes only one argument.
11327 (struct if_stack): Make type field an int.
11328 (directive_table): Rename to dtable. Generate it, the
11329 prototypes of the directive handlers, and the enum for the
11330 directive numbers, from a template macro.
11331 (do_ifndef, do_include_next, do_import): New functions.
11332 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
11333 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
11334 do_ident, do_assert, do_unassert, do_sccs): Take only one
11336 (do_sccs): Define always, but alter behavior based on
11338 (_cpp_handle_directive, consider_directive_while_skipping):
11339 Restructure for new directive table layout.
11341 (pass_thru_directive): Take a directive number, not a pointer
11342 to a struct directive.
11343 (parse_include): New function, broken out of do_include.
11344 (do_include, do_import, do_include_next): Use parse_include
11345 and _cpp_execute_include.
11346 (do_elif, do_else): Test for T_ELSE specifically when checking
11347 for #elif/#else after #else.
11348 (parse_ifdef): New function, broken out of do_ifdef.
11349 (validate_else): Expect a name arg without a leading #.
11350 (if_directive_name): Delete.
11351 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
11352 directive handlers with only one argument.
11354 * cpphash.h: Update prototypes.
11355 (enum node_type): Remove entries for directives.
11356 * Makefile.in: Update dependencies.
11358 * cpphash.c (dump_hash_helper): Only dump nodes of type
11359 T_MACRO. Emit a newline after each definition.
11361 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11363 * gccbug.in: New file.
11364 * configure.in (all_outputs): Add gccbug.
11365 * Makefile.in (install-common): Install gccbug.
11366 (GCCBUG_INSTALL_NAME): New variable.
11367 * configure: Rebuilt.
11369 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11371 * function.c (put_var_into_stack): Use type_for_mode to calculate
11372 part_type. Use MEM_SET_IN_STRUCT_P.
11373 * expr.c (store_field): Handle CONCAT.
11374 (store_constructor): Use fields_length.
11375 * tree.c (fields_length): New fn.
11376 * tree.h: Declare it.
11378 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11380 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
11381 (cpplex.o): New target.
11382 * po/POTFILES.in: Add cpplex.c.
11384 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
11385 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
11386 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
11387 skip_block_comment, skip_line_comment, skip_comment,
11388 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
11389 _cpp_parse_name, skip_string, parse_string,
11390 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
11391 _cpp_get_directive_token, find_position,
11392 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
11393 (maybe_macroexpand, _cpp_lex_token): New functions.
11395 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
11396 parse_goto_mark): Delete.
11397 (_cpp_handle_eof): New function.
11398 (_cpp_handle_directive): Rename from handle_directive.
11399 (_cpp_output_line_command): Rename from output_line_command.
11400 (do_if, do_elif): Call _cpp_parse_expr directly.
11401 * cppfiles.c (_cpp_read_include_file): Don't call
11402 init_input_buffer here.
11403 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
11404 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
11405 here; pop the token_buffer and skip the rest of the line here.
11406 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
11409 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
11411 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
11412 CPP_GOTO_MARK): New macros.
11413 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
11414 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
11415 _cpp_read_and_prescan, _cpp_init_input_buffer,
11416 _cpp_grow_token_buffer, _cpp_get_directive_token,
11417 _cpp_handle_directive, _cpp_handle_eof,
11418 _cpp_output_line_command): Prototype them here.
11419 * cpplib.h (enum cpp_token): Add CPP_MACRO.
11420 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
11421 quote_string, output_line_command): Remove.
11423 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
11425 * stmt.c (expand_end_case): RANGE may be signed, and when checking
11426 whether it is too large we must also verify that it isn't negative.
11428 2000-03-13 Jakub Jelinek <jakub@redhat.com>
11430 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
11431 (movsi_zero_liveg0): Remove.
11432 (movsf_insn_novis_liveg0): Remove.
11434 (negsi2_not_liveg0): Rename to negsi2.
11435 (one_cmplsi2): Remove.
11436 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
11437 (one_cmplsi2_liveg0): Remove.
11438 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
11439 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
11440 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
11441 (PREDICATE_CODES): Remove zero_operand.
11442 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
11443 TARGET_BROKEN_SAVERESTORE.
11444 (zero_operand): Remove.
11445 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
11446 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
11448 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
11449 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11450 TARGET_BROKEN_SAVERESTORE): Remove.
11451 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11453 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11455 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11458 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
11460 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11462 * cpplib.c (do_pragma_implementation): Fix off-by-one error
11463 truncating a string. Don't assume tokens are nul terminated.
11464 Problem noted by Andreas Jaeger <aj@suse.de>
11466 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11468 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
11469 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
11470 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
11472 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
11474 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
11475 STRUCTURE_SIZE_BOUNDARY.
11477 2000-03-13 Mark Mitchell <mark@codesourcery.com>
11479 * tree.h (record_layout_info_s): New structure.
11480 (record_layout_info): New type.
11481 (new_record_layout_info): New function.
11482 (layout_field): Likewise.
11483 (finish_record_layout): Likewise.
11484 * stor-layout.c (layout_record): Remove.
11485 (new_record_layout_info): New function.
11486 (layout_field): New function, broken out from layout_record.
11487 (finalize_record_size): Likewise.
11488 (compute_record_mode): Likewise.
11489 (finalize_type_size): New function, broken out from layout_type.
11490 (finish_record_layout): Likewise.
11491 (layout_type): Use them.
11493 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11495 * cpphash.c: Don't include version.h.
11496 (special_symbol) [case T_VERSION]: Look for the string in
11497 hp->value.cpval; don't use version_string.
11498 * cppinit.c (initialize_builtins): Set hp->value.cpval for
11499 __VERSION__ to version_string.
11500 * Makefile.in (cpphash.o): Update deps.
11502 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11504 Convert cpplib to use libiberty/hashtab.c.
11506 * cpplib.h (struct cpp_reader): Make hashtab and
11507 all_include_files of type 'struct htab *'. Delete HASHSIZE
11508 and ALL_INCLUDE_HASHSIZE macros.
11510 * cpphash.h: Update prototypes.
11511 (struct hashnode): Remove next, prev, and bucket_hdr members.
11512 Make length a size_t. Add hash member.
11513 (struct ihash): Remove next member. Add hash member. Make
11514 name a flexible array member.
11516 * cppfiles.c: Include hashtab.h.
11517 (include_hash): Delete.
11518 (IHASHSIZE): New macro.
11519 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
11520 (cpp_included): Do the hash lookup here.
11521 (_cpp_find_include_file): Rewrite.
11522 (cpp_read_file): Put the "fake" hash entry into the hash
11523 table. Honor the control_macro, if it turns out we've seen
11524 the file before. Don't push the buffer here.
11525 (_cpp_read_include_file): Push the buffer here.
11526 (OMODES): New macro. Use it whenever we call open(2).
11528 * cpphash.c: Include hashtab.h.
11529 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
11530 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
11531 _cpp_lookup_slot): New functions.
11532 (HASHSIZE): new macro.
11533 (hashf, _cpp_install, _cpp_delete_macro): Delete.
11534 (_cpp_lookup): Use hashtab.h routines.
11536 * cppinit.c: Include hashtab.h.
11537 (cpp_reader_init): Call _cpp_init_macro_hash and
11538 _cpp_init_include_hash. Don't allocate hashtab directly.
11539 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
11540 pfile->all_include_files.
11541 (initialize_builtins): Use _cpp_make_hashnode and
11542 htab_find_slot to add hash entries.
11543 (cpp_finish): Just call _cpp_dump_macro_hash.
11544 * cpplib.c: Include hashtab.h.
11545 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
11546 create hash entries.
11547 (do_pragma_poison, do_assert): Likewise.
11548 (do_include): Don't push the buffer here. Don't increment
11549 system_include_depth unless _cpp_read_include_file succeeds.
11550 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
11551 or htab_remove_elt.
11552 (do_pragma_implementation): Use alloca to create copy.
11554 * Makefile.in: Update dependencies.
11556 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11558 * cppinit.c (cl_directive_handler): More K&R fixing.
11560 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
11562 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
11564 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
11566 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11568 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
11569 Change from char[] to macros.
11571 2000-03-12 Neil Booth <NeilB@earthling.net>
11573 * cppinit.c (cpp_start_read): Update indirect function
11576 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
11578 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
11581 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11582 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
11584 2000-03-11 Neil Booth <NeilB@earthling.net>
11586 * cppinit.c (struct pending option): Replace undef with a
11587 pointer to a directive handling routine.
11588 (struct cpp_pending): Replace separate assert_ and define_
11589 lists with one directive_ list.
11590 (new_pending_define): Rename new_pending_directive. Extra
11591 argument is the directive's handling routine.
11592 (handle_option): Update to use new_pending_directive.
11594 2000-03-11 Neil Booth <NeilB@earthling.net>
11596 * cppfiles.c (file_cleanup, _cpp_find_include_file,
11597 remap_filename, _cpp_read_include_file, actual_directory,
11598 hack_vms_include_specification): Replace bcopy(), index() etc
11599 calls. Add casts to some allocations. Make some variables
11600 pointers to const [unsigned] char.
11601 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
11602 collect_formal_parameters): Similarly.
11603 * cppinit.c (struct pending_option, append_include_chain,
11604 cpp_options_init, cpp_reader_init, initialize_standard_includes,
11605 cpp_start_read, new_pending_define, handle_option): Similarly.
11606 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
11607 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
11608 do_pragma_implementation, detect_if_not_defined,
11609 do_ifdef, skip_if_group, cpp_get_token, parse_string,
11610 do_assert, do_unassert): Similarly.
11611 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
11612 function prototypes.
11613 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
11615 2000-03-10 Richard Henderson <rth@cygnus.com>
11617 * builtins.c (expand_builtin_strlen): Revert last change.
11618 Use emit_insn_before if we're at the beginning of a sequence.
11620 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
11622 * builtins.c (expand_builtin_strlen): Make sure that we have something
11623 at the beginning of the sequence.
11625 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
11628 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
11630 2000-03-10 Richard Henderson <rth@cygnus.com>
11632 * except.c (can_throw): Use INTVAL on a CONST_INT.
11633 (reachable_handlers): Likewise.
11634 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
11636 2000-03-10 Andreas Jaeger <aj@suse.de>
11638 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
11639 MD_STARTFILE_PREFIX since those are not needed on linux.
11640 (ASM_FILE_START): New, from mips/gnu.h.
11642 2000-03-09 Richard Henderson <rth@cygnus.com>
11643 Alex Samuel <samuel@codesourcery.com> and others
11645 * Makefile.in (ssa.o): New rule.
11647 (STAGESTUFF): Add *.ssa and *.ussa.
11648 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
11649 * rtl.def (PHI): New RTL expression.
11650 * rtl.h (clear_log_links): New declaration.
11651 (convert_to_ssa): Likewise.
11652 (convert_from_ssa): Likewise.
11653 * flow.c (split_edge): If the entry node falls through to the
11654 split edge's source block, split the entry edge.
11655 (clear_log_links): New function.
11656 * toplev.c (ssa_dump): New variable.
11657 (flag_ssa): Likewise.
11658 (f_options): Add "ssa".
11659 (compile_file): Create SSA dump files.
11660 (rest_of_compilation): Go to and from SSA if enabled.
11661 (decide_d_option): Handle -de for SSA dump files.
11664 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
11666 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
11669 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
11671 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
11673 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
11675 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
11676 (MD_STARTFILE_PREFIX_1): New macro.
11678 2000-03-09 Robert Lipe <robertl@sco.com>
11680 * config/ia64/ia64.c: Include system.h.
11682 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11684 * except.c (nothrow_function_p): If -fno-exceptions, just return.
11685 (init_eh_nesting_info): Likewise.
11687 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
11688 (TREE_NOTHROW): Rename from TREE_RAISES.
11689 * toplev.c (rest_of_compilation): Set it.
11690 * print-tree.c (print_node): Adjust.
11691 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
11692 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
11693 * calls.c (emit_call_1): Add 'nothrow' parm. Add
11694 REG_EH_REGION note as appropriate.
11695 (libfunc_nothrow): New fn.
11696 (emit_library_call, emit_library_call_value): Use it.
11697 (expand_call): Check TREE_NOTHROW.
11699 * varasm.c (make_decl_rtl): Skip initial '*' when setting
11700 DECL_ASSEMBLER_NAME.
11702 2000-03-09 Andreas Jaeger <aj@suse.de>
11704 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
11705 (TARGET_MEM_FUNCTIONS): Define.
11707 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11709 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
11711 * except.c (can_throw): See through a SEQUENCE.
11712 (nothrow_function_p): New fn.
11713 * except.h: Declare it.
11714 * function.c (current_function_nothrow): New var.
11715 (prepare_function_start): Initialize it.
11716 * output.h: Declare it.
11717 * toplev.c (rest_of_compilation): Set it.
11718 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
11720 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
11722 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
11723 match. (cpp_compare_defs): Count the nul separator when
11724 advancing over argument names.
11726 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
11728 * recog.c (preprocess_constraints): Matching constraints affect
11729 same alternative/different operand, not same operand/different
11732 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
11733 register and a constant specially.
11735 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11737 * libgcc2.h: New file.
11738 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
11740 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
11742 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
11743 * configure: Regenerate.
11744 * config/ia64: New.
11746 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11748 * Makefile.in (LIBCPP_DEPS): New macro.
11749 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
11750 it to declare deps.
11751 * cpperror.c: Include cpphash.h.
11752 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
11754 (lex): Don't use CPP_WARN_UNDEF.
11755 (_cpp_parse_expr): Return an int, the truth value.
11756 * cppfiles.c: Include cpphash.h.
11757 (_cpp_merge_include_chains): Move to cppinit.c and make static.
11758 * cppinit.c (include_defaults_array): Disentangle.
11759 (cpp_cleanup): Don't free the if stack here.
11760 (cpp_finish): Pop off all buffers, not just one.
11761 * cpplib.c (eval_if_expr): Return int.
11762 (do_xifdef): Rename do_ifdef.
11763 (handle_directive): Don't use CPP_PREPROCESSED.
11764 (cpp_get_token): Don't use CPP_C89.
11765 * fix-header.c: Don't use CPP_OPTIONS.
11767 * cpplib.h: Move U_CHAR, enum node_type, struct
11768 file_name_list, struct ihash, is_idchar, is_idstart,
11769 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
11770 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
11771 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
11772 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
11773 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
11774 of _cpp_simplify_pathname, _cpp_find_include_file,
11775 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
11776 Move struct if_stack to cpplib.c. Move struct cpp_pending to
11778 Change all uses of U_CHAR to be unsigned char instead.
11779 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
11781 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11783 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
11784 (dwarf2out_begin_prologue): Set it.
11785 (output_call_frame_info): Don't emit EH unwind info for leaves.
11787 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
11788 can occur outside of an EH region.
11789 * except.c: Correct comments about rethrow behavior.
11790 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
11792 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
11794 * flow.c (make_edges): Always call make_eh_edge for calls.
11796 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11798 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
11799 (struct cpp_buffer): Remove fname and underflow fields.
11800 (struct cpp_reader): Remove get_token field.
11801 (struct include_hash): Rename to struct ihash. Add typedef to
11803 (struct if_stack): Remove fname field.
11804 (IF_STACK_FRAME): Rename to IF_STACK.
11806 * cpperror.c (print_containing_files): Trust that there are no
11807 macro buffers below the top file buffer.
11808 * cppfiles.c: Replace all references to 'struct include_hash'
11809 with 'IHASH'. Rename initialize_input_buffer to
11810 init_input_buffer. Don't set or reference cpp_buffer->fname,
11811 use buffer->ihash->name instead.
11812 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
11813 not CPP_NULL_BUFFER.
11814 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
11815 IF_STACK_FRAME, IHASH not struct include_hash.
11816 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
11817 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
11818 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
11819 references to cpp_buffer->fname (delete entirely, or use
11820 ->ihash->name instead) and IF_STACK->fname.
11821 (cpp_push_buffer): Don't set new->underflow.
11822 (do_include): Use cpp_file_buffer.
11824 * cpphash.c (collect_formal_parameters): Remove duplicate
11825 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
11826 used as a macro argument name. Don't append "..." to namebuf
11827 for varargs macros. After we're done scanning, go through
11828 namebuf and make it NUL separated, not comma separated.
11829 (_cpp_compare_defs): Remove register tag from variables.
11830 Expect defn->argnames to be NUL separated.
11831 (_cpp_dump_definition): Expect defn->argnames to be NUL
11832 separated and in forward order.
11833 * cpphash.h: Update documentation of argnames field.
11835 2000-03-08 Richard Henderson <rth@cygnus.com>
11837 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
11838 to fail. Don't pre-expand the source operand.
11840 * i386.md (strlensi): Initialize eoschar and align before use.
11842 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11844 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
11845 CONSTRUCTOR element.
11847 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11849 * mips.c (mips_expand_prologue): If the last
11850 named argument is the vararg marker "va_list", treat it as
11851 an unnamed argument.
11853 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
11855 * dbxout.c (dbxout_parms): When correcting for promoted
11856 big-endian parameters, use the mode of the DECL_RTL rather
11857 than UNITS_PER_WORD.
11859 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
11861 * c-common.h (make_fname_decl): Declare.
11862 * c-common.c (make_fname_decl): Define.
11863 (declare_hidden_char_array): Remove.
11864 (declare_function_name): Use make_fname_decl.
11865 * c-decl.c (c_make_fname_decl): New function.
11866 (init_decl_processing): Set make_fname_decl.
11868 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
11870 * cccp.c (handle_directive): Initialize backslash_newlines_p.
11872 2000-03-07 Philipp Thomas <pthomas@suse.de>
11874 * po/POTFILES.in: Remove cppalloc.c from file list.
11876 2000-03-07 Steve Chamberlain <sac@pobox.com>
11878 * pj.c (pj_expand_prologue): current_function->args_info is
11879 now current_function_args_info.
11881 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11882 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11883 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11885 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11887 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11888 output as hexadecimal rather than the default octal.
11890 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11892 * cpphash.c (special_symbol): Fix thinko in previous commit.
11894 2000-03-07 Neil Booth <NeilB@earthling.net>
11896 * cppexp.c (struct operation, left_shift, right_shift,
11897 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11898 "int"s to "unsigned int"s.
11899 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11901 * cpplib.h: Update for above.
11902 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
11903 returned from allocations.
11905 * cppinit.c (opt_comp, parse_options): New functions.
11906 (handle_option): Use parse_option to parse a single command
11907 line option, that possibly takes an argument.
11908 (cpp_handle_options): Sort the array of command line options on
11909 first invocation (non-ASCII hosts only).
11910 (print_help): Update.
11912 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11914 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11915 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
11917 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11919 * cppinit.c (cpp_cleanup): Free imp->nshort also.
11921 * cpperror.c (cpp_print_containing_files,
11922 cpp_print_file_and_line, v_cpp_message): Rename to
11923 print_containing_files, print_file_and_line, and v_message.
11924 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11925 to _cpp_parse_expr, parse_escape, and lex.
11926 (parse_charconst): Remove broken multibyte support.
11927 * cppfiles.c (include_hash): Make static.
11928 (cpp_included): New function.
11929 (merge_include_chains, find_include_file, finclude,
11930 simplify_pathname): Rename to _cpp_merge_include_chains,
11931 _cpp_find_include_file, _cpp_read_include_file, and
11932 _cpp_simplify_pathname.
11933 * cpphash.c (cpp_lookup, free_definition, delete_macro,
11934 cpp_install, create_definition, macroexpand, compare_defs,
11935 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11936 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
11937 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11938 * cppinit.c (cpp_handle_option): Rename to handle_option, make
11940 * cpplib.c: Remove extern prototype of cpp_parse_expr.
11942 * cpphash.h: Update prototypes.
11943 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
11945 2000-03-07 Andrew Haley <aph@cygnus.com>
11947 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11948 PTRDIFF_TYPE should be based solely on Pmode.
11949 (SIZE_TYPE): ditto.
11951 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11953 * rtl.h (rtunion_def): Constify member `rtstr'.
11954 (emit_line_note_after, emit_line_note, emit_line_note_force,
11955 emit_note, decode_asm_operands): Constify.
11957 * cse.c (canon_hash): Likewise.
11959 * dbxout.c (dbxout_block): Likewise.
11961 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11962 v_warning_for_asm): Likewise.
11964 * dwarfout.c (function_start_label): Likewise.
11966 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11967 emit_line_note_force): Likewise.
11969 * final.c (last_filename, asm_insn_count, final_scan_insn,
11970 output_source_line): Likewise.
11972 * function.h (struct emit_status): Likewise.
11974 * gcse.c (hash_expr_1): Likewise.
11976 * genattr.c (gen_attr, main): Likewise.
11978 * genattrtab.c (struct function_unit, current_alternative_string,
11979 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11980 attr_numeral, check_attr_test, check_attr_value,
11981 convert_set_attr_alternative, convert_set_attr,
11982 compute_alternative_mask, simplify_by_exploding, gen_attr,
11983 gen_unit): Likewise.
11985 * genflags.c (gen_insn): Likewise.
11987 * gengenrtl.c (type_from_format): Likewise.
11989 * genopinit.c (gen_insn): Likewise.
11991 * genoutput.c (n_occurrences, process_template, process_template):
11994 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11997 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12000 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12001 ggc_set_mark, ggc_get_size): Likewise.
12003 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12005 * optabs.c (init_one_libfunc): Likewise.
12007 * output.h (assemble_start_function): Likewise.
12009 * recog.c (decode_asm_operands): Likewise.
12011 * toplev.c (rest_of_compilation): Likewise.
12013 * tree.h (emit_line_note_after, emit_line_note,
12014 emit_line_note_force): Likewise.
12016 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12017 asm_emit_uninitialised, assemble_start_function,
12018 assemble_variable, const_hash, compare_constant_1,
12019 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12021 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12023 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12025 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12027 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12029 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12030 arm_dllimport_name_p): Likewise.
12032 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12035 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12037 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12039 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12040 arm_mark_dllexport, arm_mark_dllimport,
12041 arm_pe_encode_section_info): Likewise.
12043 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12044 ASM_FINISH_DECLARE_OBJECT): Likewise.
12046 * arm/thumb.c (thumb_function_prologue): Likewise.
12048 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12050 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12052 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12054 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12056 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12058 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12060 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12061 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12063 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12065 * i386/i386.c (asm_output_function_prefix): Likewise.
12067 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12069 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12071 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12073 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12074 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12075 ASM_OUTPUT_SECTION_NAME): Likewise.
12077 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12079 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12081 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12083 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12085 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12087 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12089 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12091 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12093 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12095 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12097 * mips/mips.md (movdi, movsi): Likewise.
12099 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12101 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12103 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12105 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12106 ASM_OUTPUT_ASCII): Likewise.
12108 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12109 output_mi_thunk, output_toc): Likewise.
12111 * rs6000/rs6000.md (movsi): Likewise.
12113 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12115 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12117 * v850/v850.c (print_operand, print_operand_address,
12118 v850_encode_data_area): Likewise.
12120 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12122 * config/mips/mips.md (zero_extendsidi2): Always force operand
12123 one to memory for mips16.
12125 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12127 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12128 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12129 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12130 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12131 (min_precision): Result is unsigned.
12132 (add_double, neg_double, mul_double): Low word is unsigned.
12133 (lshift_double, rshift_double, lrotate_double): Likewise.
12134 (rrotate_double, div_and_round_double): Likewise.
12135 (tree_floor_log2, compare_tree_int): New functions.
12136 (preserve_rtl_expr_temps): New declaration.
12137 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12138 (decl_attributes): Use tree_log2 to find alignment.
12139 Check for TREE_INT_CST_HIGH for format args.
12140 (min_precision): Now unsigned.
12141 Use tree_floor_log2.
12142 (truthvalue_conversion): Delete long-disabled code.
12143 * c-decl.c (finish_struct): Clean up tests on field width.
12144 (finish_function): Use compare_tree_int.
12145 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12146 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12147 (default_conversion, digest_init): Use compare_tree_int.
12148 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12149 Fix type errors in forming masks.
12150 * calls.c (initialize_argument_information): Use compare_tree_int.
12151 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12152 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12153 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12154 (store_field): Use compare_tree_int.
12155 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12156 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12157 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12158 (do_store_flag): Use compare_tree_int.
12159 * fold-const.c (encode, decode): Low part is always unsigned.
12160 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12161 (lshift_double, rshift_double, lrotate_double): Likewise.
12162 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12163 (fold_convert): Use compare_tree_int.
12164 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12165 (invert_truthvalue, case INTEGER_CST): Likewise.
12166 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12167 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12168 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12169 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12171 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12172 (expand_end_case): Use compare_tree_int.
12173 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12174 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12175 (layout_decl): Likewise.
12176 (layout_record, layout_union): Make sizes unsigned.
12177 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
12178 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
12179 * tree.c (struct type_hash): hashcode is unsigned.
12180 (build_type_attribute_variant, type_hash_list): Likewise.
12181 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
12182 (attribute_hash_list, build_array_type, build_method_type): Likewise.
12183 (build_complex_type): Likewise.
12184 (real_value_from_int_cst): Remove unneeded casts.
12185 (integer_all_onesp): Add casts.
12186 (tree_floor_log2, compare_tree_int): New functions.
12187 (build_index_type): Use tree_int_cst_sgn.
12188 * varasm.c (assemble_variable): Use compare_tree_int.
12190 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
12192 * cpphash.c (collect_expansion): Also catch ## at start of macro.
12194 * varasm.c (make_decl_rtl): Don't add a number to members of
12196 (make_function_rtl): Likewise.
12198 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12200 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
12201 patch from 2000-01-28.
12203 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
12205 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
12206 filled with an insn from the jump target.
12208 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12210 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
12211 (c4x_external_ref): Likewise.
12212 * config/c4x/c4x.c (struct name_list): Likewise.
12214 1999-12-16 Ben Collins <bcollins@debian.org>
12216 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
12217 argument to genmultilib.
12218 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
12219 the contents into the multilib.h header.
12220 * gcc.c: Declare multilib_exclusions for the specs file.
12221 (set_multilib_dir): Use it.
12222 (print_multilib_info): Likewise.
12223 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
12224 to pass to genmultilib.
12226 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12228 * builtins.c (built_in_class_names, built_in_names): Constify a
12231 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
12233 (_mcleanup): Ensure value matches format specifier in sprintf.
12235 * cpphash.c (special_symbol): Don't needlessly cast away
12238 * cppinit.c (base_name): Delete unused prototype.
12240 * mkdeps.c (deps_init): Make definition K&R safe.
12242 * tree.h (built_in_class_names, built_in_names): Constify a
12245 2000-03-06 Jakub Jelinek <jakub@redhat.com>
12247 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
12248 floating point instructions for epilogue delay.
12250 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
12251 to gas if it supports .register pseudo.
12253 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
12254 LONG_DOUBLE_TYPE_SIZE if not defined.
12255 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
12256 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
12257 * real.c: Likewise.
12258 * gengenrtl.c: Likewise.
12259 * print-rtl.c: Likewise.
12261 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
12262 MASK_LONG_DOUBLE_128.
12263 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
12264 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
12265 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
12266 (SUBTARGET_SWITCHES): Define.
12267 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
12268 with -mlong-double-128.
12269 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12270 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12271 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12272 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
12273 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
12274 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
12275 with -mlong-double-128.
12276 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12277 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12278 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12279 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
12280 TARGET_LONG_DOUBLE_128): Define.
12281 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
12282 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
12283 long double on TARGET_ARCH64.
12285 2000-03-06 Mark Mitchell <mark@codesourcery.com>
12287 * function.c (free_temps_for_rtl_expr): Don't free slots
12288 that have been pushed into a higher level.
12291 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12293 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12295 * basic-block.h (ALLOCA_REG_SET): Remove.
12296 (INITIALIZE_REG_SET): New macro.
12297 * flow.c (update_life_info): Use it.
12298 (calculate_global_regs_live): Likewise.
12299 (propagate_block): Likewise.
12300 * global.c (build_insn_chain): Likewise.
12301 * haifa-sched.c (schedule_region): Likewise.
12303 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
12305 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
12306 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
12307 (DWARF_ARANGES_PAD_SIZE): New define.
12308 (output_aranges): Use it to pad the address range header.
12309 (DWARF_ROUND): Fix for non power of 2 rounding.
12311 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
12313 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
12315 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12317 * tree.def (RTL_EXPR): Update documentation.
12318 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
12319 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
12320 * function.c (preserve_rtl_expr_temp): New function.
12321 (preserve_rtl_expr_temps): Likewise.
12322 (preserve_rtl_expr_result): Use it.
12325 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12327 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
12329 * regmove.c (copy_src_to_dest) Do not create src->dest move
12330 for unchanging destination.
12332 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12334 * function.h (struct sequence_stack): Remove rtl_expr.
12335 (struct emit_staus): Likewise.
12336 (seq_rtl_expr): Remove.
12337 * tree.h (free_temps_for_rtl_expr): Don't declare.
12338 (start_sequence_for_rtl_expr): Likewise.
12339 * rtl.h (preserve_rtl_expr_result): Likewise.
12340 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
12341 (start_sequence_for_rtl_expr): Remove.
12342 (push_topmost_sequence): Don't save sequence_rtl_expr.
12343 (pop_topmost_sequence): Remove comment about not restoring it.
12344 (end_sequence): Don't set seq_rtl_expr.
12345 (init_emit): Don't initialize it.
12346 (mark_sequence_stack): Don't mark it.
12347 (mark_emit_status): Likewise.
12348 * except.c (protect_with_terminate): Use
12349 start_sequence_for_rtl_expr, not start_sequence.
12350 * expr.c (expand_expr, case RTL_EXPR): Don't call
12351 preserve_rtl_expr_result or free_temps_for_rtl_expr.
12352 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
12353 (preserve_rtl_expr_result): Remove.
12354 (free_temps_for_rtl_expr): Likewise.
12355 (pop_temp_slots): Likewise.
12356 (mark_temp_slot): Don't mark the rtl_expr.
12357 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
12358 start_sequence_for_rtl_expr.
12360 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
12362 * mkdeps.c, mkdeps.h: New files.
12363 * po/POTFILES.in: Add them.
12364 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
12365 (cpplib.o, cppinit.o): Depend on mkdeps.h.
12366 (mkdeps.o): New target.
12368 * cppfiles.c: Delete deps_output.
12369 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
12370 OBJECT_SUFFIX, and base_name.
12371 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
12373 (initialize_dependency_output): Use deps_init,
12374 deps_add_target, deps_calc_target, and deps_add_dep. Remove
12375 all the unnecessary string bashing.
12376 (cpp_finish): Use deps_write. Remove an unnecessary nesting
12378 * cpplib.c (do_include): Use deps_add_dep.
12379 * cpplib.h (struct cpp_reader): Replace deps_buffer,
12380 deps_allocated_size, deps_size, deps_column members with
12381 single pointer to a struct deps. Delete prototype of
12384 * cppinit.c: Fix thinko in previous patch.
12386 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12388 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
12389 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
12390 (mode_for_size_tree): New function.
12391 (layout_decl, layout_type): Call it and clean up BLKmode checks.
12392 * tree.h (mode_for_size_tree): New declaration.
12394 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
12396 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
12398 * stmt.c (is_body_block): Move...
12399 * dwarfout.c, dwarf2out.c: ...from here.
12400 * tree.h: Declare it.
12401 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
12402 * final.c (final_start_function): Do call remove_unnecessary_notes
12405 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12407 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
12409 * cpplib.h (_dollar_ok): New macro.
12410 (is_idchar, is_idstart): Use it.
12411 (IStable): Rename to _cpp_IStable. Declare it const if
12412 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
12413 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
12414 is_space): Update for renamed IStable.
12416 * cppinit.c: Delete all references to FAKE_CONST and CAT
12417 macros. Define init_IStable as empty macro if gcc >=2.7 or
12418 C99. Change TABLE() to ISTABLE and hardcode name of table.
12419 (cpp_start_read): Don't change the IStable based on
12422 * cpphash.c (unsafe_chars): Add pfile argument. All callers
12423 changed. Handle '$' for char1 correctly.
12424 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
12426 * cppexp.c (tokentab2): Make const.
12427 (cpp_lex): Make toktab const.
12428 * cppinit.c (include_defaults_array): Make const.
12429 (initialize_standard_includes): Make default_include const.
12431 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12433 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
12434 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
12435 (gen_decl_die): Likewise.
12436 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
12437 (output_decl): Likewise.
12439 * varasm.c (make_function_rtl): If we change the name used in the
12440 rtl, update DECL_ASSEMBLER_NAME accordingly.
12441 (make_decl_rtl): Likewise.
12443 * toplev.c (rest_of_compilation): Tweak formatting.
12445 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
12446 remove_unnecessary_notes.
12447 (debug_ignore_block): New fn.
12448 * toplev.h: Declare it.
12449 * emit-rtl.c (remove_unncessary_notes): Call it.
12450 * dwarf2out.c (dwarf2out_ignore_block): New fn.
12451 * dwarf2out.h: Declare it.
12452 * final.c (final_start_function): Don't call remove_unnecessary_notes
12453 if we did insn scheduling.
12455 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12457 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
12458 * cpplib.h: Delete SET_CPP_PEDANTIC.
12460 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12462 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
12463 result is a RECORD_TYPE.
12465 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
12467 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
12469 2000-03-03 Richard Henderson <rth@cygnus.com>
12471 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
12472 addition over compliments over shifts.
12474 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12476 * reload1.c (reload_combine_note_use): Handle return register USEs.
12477 REG case: Handle multi-hard-register hard regs.
12479 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12481 * md.texi: Document use of '*' in insn pattern name.
12483 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12485 * calls.c (special_function_p): operator new may not be malloc-like.
12487 * gcse.c (dump_hash_table): Really fix error in last change.
12489 2000-03-02 Denis Chertykov <denisc@overta.ru>
12491 * avr.c (print_operand): Use print_operand_address instead of
12493 * avr/libgcc.S: Cleanup code.
12495 2000-03-02 Richard Henderson <rth@cygnus.com>
12497 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
12499 2000-03-02 Mark Mitchell <mark@codesourcery.com>
12501 * tree.h (TYPE_ALIGN_UNIT): New macro.
12503 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
12505 * i386.c: (constant_call_address_operand): Reject CONST_INT.
12507 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
12509 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
12511 (SET_CPP_PEDANTIC): New macro.
12512 * cpplib.c (do_include): Don't bother checking system_header_p.
12513 (do_warning, do_ident, do_assert, do_unassert): Likewise.
12514 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
12516 * function.h (struct expr_status): Add x_arg_space_so_far.
12517 (arg_space_so_far): New macro.
12518 * expr.c (init_expr): Initialize it.
12519 * calls.c (emit_call_1): Reset it.
12520 (compute_argument_block_size, expand_call): Use it.
12521 (expand_call, store_one_arg): Increment it.
12523 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12525 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
12528 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
12530 * cppfiles.c (cpp_read_file): New function.
12532 * cpphash.c (collect_expansion): Make sure to reset last_token
12533 to NORM when we hit a string. Handle trailing whitespace
12534 properly when the expansion is empty.
12535 (create_definition): Disable line commands while parsing the
12537 (dump_definition): If pfile->lineno == 0, output a line
12538 command ahead of the dump, and add a trailing newline.
12540 * cppinit.c (append_include_chain): Add fifth argument, which
12541 indicates whether or not system headers are C++ aware.
12542 (initialize_standard_includes): New function,
12543 broken out of read_and_prescan. Pass 'cxx_aware' value from
12544 the include_defaults_array on to append_include_chain.
12545 (dump_special_to_buffer): Const-ify char array.
12546 (builtin_array): Don't dump __BASE_FILE__.
12547 (cpp_start_read): Use cpp_read_file. Reorder code for
12548 clarity. Don't output line commands here for -D/-A/-U
12549 switches. Don't call deps_output for files included with
12550 -include or -imacros.
12552 * cpplib.c (do_define): Don't pay any attention to the second
12554 (cpp_expand_to_buffer): Disable line commands while scanning.
12555 (output_line_command): Work in the file buffer.
12556 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
12557 Fix formatting of comments. Prototype cpp_read_file.
12559 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12561 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
12562 reference the language-equivalent of sizetype.
12563 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
12564 * fold-const.c (size_binop, size_diffop): Put back checks.
12565 * gcse.c (dump_hash_table): Fix minor error in last change.
12566 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
12567 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
12570 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
12572 * calls.c (expand_call) Do not attempt to combine stack adjustments
12573 with inhibit_defer_pop set.
12575 2000-03-01 Mark Mitchell <mark@codesourcery.com>
12577 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
12578 the DECL_SIZE for a FIELD_DECL.
12580 2000-03-01 Bruce Korb <bkorb@gnu.org>
12582 * fixinc/inclhack.tpl: remove unused symlinks
12583 * fixinc/README: GCC Maintainer info
12584 * fixinc/inclhack.sh: regen
12585 * fixinc/fixincl.sh: regen
12587 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
12589 * cpphash.c (collect_expansion): Trim trailing white space
12590 from macro definitions, but don't go past the last insertion
12593 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
12595 * i386.md (mulqi3): New pattern.
12597 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
12599 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
12601 (struct cpp_reader): Add parsing_if_directive and
12602 parsing_define_directive flags.
12603 (struct cpp_options): Remove output_conditionals flag.
12604 (check_macro_name): Delete prototype.
12606 * cpphash.h (struct macrodef): Delete.
12607 (struct reflist): Separate from struct definition.
12608 (struct definition): Remove unused fields. Add column number.
12609 (create_definition): Returns a DEFINITION *. Takes a
12610 cpp_reader * and an int.
12612 * cpphash.c (SKIP_WHITE_SPACE): Delete.
12613 (PEEKC): Copy defn from cpplib.c.
12614 (rest_extension, REST_EXTENSION_LENGTH): Delete.
12616 (struct arglist): Simplify.
12617 (collect_expansion): Rewrite. Get tokens by calling
12618 cpp_get_token. Add more error checking.
12619 (collect_formal_parameters): New function, broken out of
12620 create_definition and reworked to use get_directive_token.
12621 (create_definition): All real work is now in collect_expansion
12622 and collect_formal_parameters. do_define handles finding the
12623 macro name. Return a DEFINITION, not a MACRODEF.
12624 (macroexpand): Replace bcopy with memcpy throughout. Replace
12625 character-at-a-time copy loop with memcpy and pointer increments.
12626 (compare-defs): d1->argnames / d2->argnames might be null.
12628 * cpplib.c (copy_rest_of_line): Delete function.
12629 (skip_rest_of_line): Do all the work ourselves.
12630 (skip_string): New function.
12631 (parse_string): Use skip_string.
12632 (get_macro_name): New function.
12633 (check_macro_name): Delete.
12634 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
12635 (cpp_skip_hspace): Use CPP_BUMP_LINE.
12636 (handle_directive): ICE if we're called on a macro buffer.
12637 (do_define): Determine macro name and type (funlike/objlike)
12638 here. Expunge all uses of MACRODEF.
12639 (cpp_push_buffer): Set line_base to NULL.
12640 (do_undef, read_line_number): Don't worry about getting a POP token.
12641 (eval_if_expression): Set/reset parsing_if_directive around
12642 cpp_parse_expr. Don't clear only_seen_white.
12643 (skip_if_group): Remove output_conditionals logic. Use
12645 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
12646 tokens under appropriate conditions.
12647 (cpp_unassert): Call do_unassert not do_assert. Oops.
12649 * cppexp.c (parse_defined): New function, break out of
12651 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
12652 ourselves, with cpp_defined.
12653 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
12655 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
12656 * gcc.dg/strpaste-2.c: New.
12658 2000-02-29 Mark Mitchell <mark@codesourcery.com>
12660 * fold-const.c (size_binop): Don't asert inputs are the same and
12661 have TYPE_IS_SIZETYPE set.
12662 (size_diffop): Likewise.
12664 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
12666 * dwarfout.c (output_block): Output abstract blocks even if they
12667 don't have TREE_ASM_WRITTEN set.
12669 * calls.c (emit_library_call): Check for null REG.
12671 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
12673 * c-decl.c (current_function_decl): Move to toplev.c.
12674 (init_decl_processing): Don't add current_function_decl as a ggc
12676 * dbxout.c (dbxout_symbol): Change return type to int.
12677 (dbxout_symbol_location, dbxout_syms): Likewise.
12678 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
12679 any locals. Use current_function_func_begin_label if set.
12680 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
12681 * dwarf2out.c (dwarf2out_begin_prologue): Set
12682 current_function_func_begin_label.
12683 * final.c (final_start_function): Reset it.
12684 * toplev.c (current_function_decl): Define it here.
12685 (current_function_func_begin_label): New variable.
12686 (main): Add both as ggc roots.
12687 * tree.h (current_function_func_begin_label): Declare.
12689 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12691 * gcse.c: Cleanups throughout: mostly white-space, but also
12692 some minor rearrangement of code.
12694 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
12696 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
12697 returns a PARALLEL. Use emit_group_load and use_group_regs
12699 (emit_library_call_value): Similarly.
12701 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
12702 * pa/quadlib.asm: Remove.
12703 * pa/quadlib.c: New file.
12705 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
12706 * configure: Rebuilt.
12708 2000-02-29 Philip Blundell <pb@futuretv.com>
12710 * config/arm/conix-elf.h: New file.
12711 * configure.in (arm*-*-conix*): New configuration.
12712 * configure: Regenerate.
12714 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
12716 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
12717 don't have TREE_ASM_WRITTEN set.
12719 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12721 * Eliminate DECL_FIELD_SIZE.
12722 * builtins.c (built_in_class_names, built_in_names): New variables.
12723 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
12724 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
12725 DECL_SIZE, not DECL_FIELD_SIZE.
12726 * print-tree.c (print_node): Remove code that prints extra blank
12727 lines in some cases.
12728 Properly handle inline and builtin function cases.
12729 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
12730 * tree.h (built_in_class_named, built_in_names): New declarations.
12731 (union tree_decl): Rename internal unions to u1 and u2 and change
12732 some of their components.
12733 Add new field built_in_class.
12734 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
12735 Reflect above changes.
12736 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
12737 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
12738 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
12739 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
12741 2000-02-28 Dmitri Makarov <dim@windriver.com>
12743 * extend.texi: Document ARM's support for long/short calls.
12745 * invoke.texi: Document ARM's -mlong-calls command line switch.
12747 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
12748 (arm_encode_call_attribute): Add prototype.
12749 (arm_set_default_type_attribute): Add prototype.
12750 (arm_strip_name_encoding): Add prototype.
12752 * config/arm/arm.c (arm_init_cumulative_args): replace
12753 initialisation og 'long_calls' field with initialisation of
12754 'call_cookie' field.
12755 (enum arm_pragma_enum): New enum.
12756 (arm_pragma_long_calls): New static variable.
12757 (arm_process_pragma): Also process "#pragma long_calls_off".
12758 (arm_valid_type_attribute_p): Accept short_call attribute.
12759 (arm_comp_type_attributes): Check long/short call attributes.
12760 (arm_encode_call_attribute): New function: Encode long_call
12761 or short_call attribute in function name.
12762 (arm_set_default_type_attributes): New function: Assign
12763 default attributes to newly defined type.
12764 (current_file_function_operand): New function: Return true if
12765 the symbol is a function which has already been compiled.
12766 (arm_is_longcall_p): New function: Return true if the
12767 indicated function should be called via a long call.
12768 (arm_get_strip_length): New function. Returns number of
12769 prefix characters to be stripped from a function's name.
12770 (arm_strip_name_encoding): New function. Strip prefix characters
12771 from a function's name.
12773 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
12774 with 'call_cookie'.
12775 (SHORT_CALL_FAG_CHAR): Define.
12776 (LONG_CALL_FAG_CHAR): Define.
12777 (ENCODED_SHORT_CALL_ATTR_P): Define.
12778 (ENCODED_LONG_CALL_ATTR_P): Define.
12779 (ARM_NAME_ENCODING_LENGTHS): Define.
12780 (STRIP_NAME_ENCODING): Define.
12781 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
12782 (ARM_ENCODE_CALL_TYPE): Define.
12783 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
12784 (ARM_DECLARE_FUNCTION_SIZE): Define.
12785 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
12787 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
12788 if a long call is needed.
12789 (call_value): Ditto.
12790 (call_symbol): Ditto.
12792 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
12793 ARM_DECLARE_FUNCTION_SIZE.
12795 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
12796 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
12797 (ARM_STRIP_NAME_ENCODING): Undefine.
12798 (STRIP_NAME_ENCODING): Undefine.
12799 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
12800 (ASM_DECLARE_FUNCTION_NAME): Ditto.
12801 (ASM_OUTPUT_COMMON): Ditto.
12802 (ASM_DECLARE_OBJECT_NAME): Ditto.
12804 * config/arm/pe.c (arm_dllexport_name_p): Check for
12806 (arm_dllimport_name_p): Ditto.
12807 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
12808 (arm_mark_dllimport): Ditto.
12810 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12812 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
12814 2000-02-28 Mark Mitchell <mark@codesourcery.com>
12816 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
12818 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
12820 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
12821 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
12822 NO_BUILTIN_WCHAR_TYPE is not defined.
12823 (CPP_WCHAR_TYPE): Delete.
12824 * cccp.c (main): Don't change wchar_type if cplusplus.
12825 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
12827 2000-02-28 Nick Clifton <nickc@cygnus.com>
12829 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
12831 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
12833 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
12834 (ASM_WEAKEN_LABEL): Define.
12836 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
12838 * expr.c (store_constructor): Do not emit USE.
12839 * rtl.h (stupid_life_analysis): Remove.
12841 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12843 * function.c (number_blocks): Reset next_block_index based on
12844 what debugging format is used, not what is defined.
12846 * lcm.c: Minor reformatting throughout.
12847 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
12849 * toplev.c (rest_of_compilation): Account for time in
12850 optimize_mode_switching.
12852 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
12853 if only marking labels.
12855 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
12857 * calls.c (expand_call): Attempt to combine stack adjustments with
12858 pending stack adjustments.
12860 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12862 * loop.c (reg_in_basic_block_p): Don't abort when falling through
12863 to the end of the function.
12865 2000-02-27 Mark Mitchell <mark@codesourcery.com>
12867 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
12869 * final.c (next_block_index): Remove.
12870 (max_block_depth): Likewise.
12871 (pending_blocks): Likewise.
12872 (init_final): Don't initialize them.
12873 (final_start_function): Don't set next_block_index. Set up
12875 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12876 * function.h (number_blocks): New function.
12877 * function.c (get_block_vector): New function.
12878 (identify_blocks): Use it.
12879 (reorder_blocks): Set NOTE_BLOCK.
12880 (number_blocks): New function.
12881 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12882 * tree.h (BLOCK_NUMBER): New macro.
12883 (tree_block): Add block_num field.
12884 * dbxout.c (next_block_number): Remove.
12885 (dbxout_init): Don't set it.
12886 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12887 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
12889 * toplev.c (rest_of_compilation): Always call
12890 find_loop_tree_blocks. Fix indentation.
12891 * dwarf2out.c (next_block_number): Remove.
12892 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12893 to determine block numbers.
12894 (gen_inlined_subroutine_die): Likewise.
12895 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12896 (decls_for_scope): Don't increment next_block_number.
12897 * dwarfout.c (next_block_number): Remove.
12898 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12899 to determine block numbers.
12900 (output_inlined_subroutine_die): Likewise.
12901 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12902 (output_decls_for_scope): Don't increment next_block_number.
12903 * sdbout.c (next_block_number): Remove.
12904 (sdbout_block): Use BLOCK_NUMBER.
12905 (sdbout_begin_block): Simplify.
12906 * xcoffout.c (next_block_number): Remove.
12907 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12908 (xcoffout_begin_block): Don't set next_block_number.
12909 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12912 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12914 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12915 (expand_builtin_strcpy): Pass correct type to size_binop.
12916 (expand_builtin_strcmp): Likewise.
12917 Clean up conditional structure.
12918 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12919 (complete_array_type): Don't use size_binop for MAXINDEX.
12920 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12921 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
12922 (c_alignof): Use size_one_node.
12923 (build_unary_op): Pass arg of proper type to size_binop.
12924 (really_start_incremental_init, push_init_level): Use sizetype for
12925 constructor{,_bit,_unfilled}_index.
12926 (pop_init_label, output_init_element): Likewise.
12927 (output_pending_init_elements, process_init_element): Likewise.
12928 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
12929 * expr.c (store_expr): Use size_int.
12930 (store_constructor): Use proper types for size_binop args.
12931 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12932 (expand_expr_unaligned): Likewise.
12933 (string_contant): Return object of sizetype.
12934 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12935 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12936 (ARGS_SIZE_TREE): Pass proper types to size_binop.
12937 * fold-const.c (int_const_binop): Refine when size_int is called.
12938 (fold_convert): Likewise.
12939 (size_int_wide): Rework to take KIND as arg, only take low order
12940 bits, handle new sizetype_tab datatype, and chain entries in
12942 (size_int_type_wide): New function.
12943 (size_binop): Validate types of arguments.
12944 (ssize_binop): Deleted.
12945 (size_diffop): New function.
12946 (extract_muldiv): Only fold division into multiplication for sizetypes.
12947 * function.c (assign_parms): Use size_diffop and make sure
12948 VAR field is of ssizetype; also pass proper type to size_binop.
12949 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12950 (round_down): Deleted from here.
12951 * store-layout.c (sizetype_tab): Now an array.
12952 (sizetype_set, early_root_list): New variables.
12953 (variable_size): Use size_one_node.
12954 (round_up): Pass proper type to size_binop.
12955 (round_down): Moved to here and corrected as above.
12956 (layout_record): Pass proper arg types to size_binop.
12957 (layout_type): Likewise.
12958 If sizetype_set is zero, record the type just laid out.
12959 (make_unsigned_type): Don't call set_sizetype;
12960 (make_signed_type): Likewise; also, call fixup_signed_type.
12961 (initialize_sizetypes): New function.
12962 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12963 set name of bitsizetype to "bit_size_type".
12964 Fix up type of sizes of all types made before call.
12965 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12966 * tree.c (fix_sizetype): Deleted.
12967 (build_common_tree_nodes): Call initialize_sizetypes.
12968 (build_common_tree_nodes_2): Don't call fix_sizetype.
12969 * tree.h (TYPE_IS_SIZETYPE): New macro.
12970 (initialize_sizetype): New declaration.
12971 (enum size_type_kind): New type.
12972 (struct sizetype_tab): Deleted.
12973 (sizetype_tab): Now array; adjust sizetype macros.
12974 (size_diffop, size_int_type_wide): New functions.
12975 (size_int_wide): Change number of args and type; access macros changed.
12976 (ssize_int, sbitsize_int): New macros.
12977 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12978 (ROUND_TYPE_SIZE_UNIT): New macro.
12980 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
12982 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12984 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12986 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12987 Mark as possibly unused.
12989 * cse.c (cse_insn): Delete dead code involving tablejump.
12990 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12992 * Makefile.in (libcpp.a): Start by deleting it.
12994 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12996 * cpplib.h (enum file_change_code): Added rename_file.
12997 * cpplib.c (do_line): If a filename is given, set file_change to
12999 (output_line_command): If file_change is rename_file, always
13000 output a # directive with the file name.
13002 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13004 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13006 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13007 when copying a PARM_DECL or RESULT_DECL.
13009 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13011 * fix-header.c (recognized_function): Also fix prototypes for
13012 functions taking "void".
13014 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13016 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13017 looking at reg_reloaded_contents.
13019 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13021 * Makefile.in (STMP_FIXINC): New toggle.
13022 (LIBGCC2_DEPS): Delete all references.
13023 (stmp-headers): Delete target. All references either deleted
13024 or changed to stmp-int-headers.
13025 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13026 (LIBCPP_OBJS): Take out cppalloc.o.
13027 (cppalloc.o): Delete target.
13028 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13029 (gen-protos, fix-header): Link with libiberty.a.
13030 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13033 * configure.in: Remove refs to strerror.
13034 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13035 * system.h: Take out strerror stanza.
13037 * cpperror.c (my_strerror): Delete function.
13038 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13039 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13040 * cppalloc.c: Delete file.
13041 * gen-protos.c: Don't provide xrealloc.
13043 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13044 xstrerror throughout.
13046 2000-02-26 Bruce Korb <bkorb@gnu.org>
13048 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13049 match for DOS headers, too.
13050 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13052 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13054 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13055 is right for most ELF targets.
13056 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13057 Let the default file use %U properly.
13058 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13061 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13064 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13066 * toplev.c (documented_lang_options): Correct spelling error.
13067 (decode_d_option, decode_f_option, main): Likewise.
13069 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13071 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13072 to tell assembler it is permitted to expand large constants.
13074 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13076 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13077 (aux_info_suffix): Use.
13078 (SAVE_SUFFIX): New macro.
13079 (save_suffix): Use.
13080 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13081 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13082 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13084 * invoke.texi (Running Protoize): Update documentation.
13086 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13088 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13090 2000-02-25 John Wehle (john@feith.com)
13092 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13094 2000-02-25 Anthony Green <green@cygnus.com>
13096 * toplev.c (rest_of_compilation): Rebuild jump labels if
13097 combine_instructions has created a new direct jump.
13098 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13100 (combine_instructions): Call try_combine with new argument.
13101 Return non-null value when new direct jump instruction is created.
13102 * rtl.h: combine_instructions returns an int.
13104 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13106 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13107 jump when changing a computed jump into a jump to a known
13110 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13112 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13113 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13115 * i386.md (define_expand "clrstrsi"): Fix typo.
13117 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13119 * rtl.texi: Fix typo.
13121 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13123 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13124 UNITS_PER_WORD. Change caller initial_elimination_offset.
13125 (rounded_frame_size): Take into account that argument pushed has
13126 changed. Fix TARGET_ALIGN_DOUBLE problem.
13128 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13130 * haifa-sched.c (schedule_block): Explain the real reason
13131 we delete REG_SAVE_NOTEs on the first insn of a block.
13132 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13134 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13136 * input.h (push_srcloc): New function.
13137 (pop_srcloc): Likewise.
13138 * toplev.c (push_srcloc): Define it.
13139 (pop_srcloc): Likewise.
13141 2000-02-24 Richard Henderson <rth@cygnus.com>
13143 * flow.c (life_analysis): When collecting reg info, clear
13146 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13148 Fix bug exposed by reload.c no longer rounding the frame
13149 size to BIGGEST_ALIGNMENT:
13150 * sh.c (rounded_frame_size): New function.
13151 (sh_expand_prologue, sh_expand_epilogue): Use it.
13152 (initial_elimination_offset): Likewise.
13154 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13156 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13157 * sh-protos.h (sh_need_epilogue): Declare.
13158 * sh.c (sh_need_epilogue_known): New static variable.
13159 (sh_need_epilogue): New function.
13160 (function_epilogue): Clear need_epilogue_known.
13161 * sh.md (return): Split into expander / insn pattern.
13162 Make the expander conditional on ! sh_need_epilogue ().
13164 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13166 * machmode.h (get_mode_alignment): Declare.
13167 (GET_MODE_ALIGNMENT): Call it.
13168 * stor-layout.c (get_mode_alignment): New function. Make
13169 sure alignment is always power of 2.
13171 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13173 * i386.h: Remove useless definition of "I386" and misleading
13176 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13178 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
13179 under which TREE_PERMANENT will be set.
13180 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
13181 build1): Use TREE_SET_PERMANENT.
13182 * print-tree.c (print_node): Don't report value of
13183 TREE_PERMANENT if ggc_p is true.
13185 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
13186 decide whether to give a type a new alias set.
13187 * objc/objc-act.c (build_objc_string_object): Never copy the string.
13188 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
13189 of value of 'obstack'.
13192 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13194 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
13196 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13198 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
13199 * cpplib.c (cpp_get_token): Produce them.
13200 * cppexp.c (cpp_lex): Handle them.
13202 2000-02-23 Nick Clifton <nickc@cygnus.com>
13204 * config/arm/arm.c (arm_comp_type_attributes): Simply and
13205 comment tests on type attributes.
13207 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13209 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
13210 conform to documentation.
13211 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
13212 to check for special cases.
13213 * sh-protos.h (sh_loop_align): Declare.
13214 * sh.c (sh_loop_align): Define.
13216 2000-02-22 Andrew Haley <aph@cygnus.com>
13218 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
13219 (SIZE_TYPE): Is 32 bits when using -mgp32.
13220 (PTRDIFF_TYPE): Ditto.
13222 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13224 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
13226 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13228 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
13229 BIGGEST_FIELD_ALIGNMENT a constant.
13231 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
13233 * dwarf2out.c (output_line_info): Put the marker for the end of
13234 the line number info at the actual end.
13235 (gen_struct_or_union_type_die): Use decl_function_context
13236 to check for local classes.
13237 * dwarfout.c (output_type): Likewise.
13239 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
13241 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
13242 for arguments with a mode, but no type.
13243 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
13244 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
13245 * pa/long_double.h: New file.
13246 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
13247 both have 128bit wide long doubles.
13248 * configure: Rebuilt.
13250 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13252 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
13254 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
13255 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
13256 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
13258 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
13260 * integrate.c (compare_blocks, find_block): Likewise.
13262 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
13264 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
13266 * stmt.c (stmt_status, set_file_and_line_for_stmt,
13267 expand_asm_operands): Likewise.
13269 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
13271 * predict.c (estimate_probability): Added the pointer heuristic to
13272 the collection of static branch predictors.
13274 2000-02-21 Catherine Moore <clm@cygnus.com>
13276 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
13277 * invoke.texi (-mfix7000): Document.
13279 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
13281 * diagnostic.c (init_output_buffer): Make it possible to output at
13282 least 32 characters if we're given a too long prefix.
13284 2000-02-20 Mark Mitchell <mark@codesourcery.com>
13286 * varasm.c (initializer_constant_valid_p): Call
13287 lang_expand_constant to simplify the constant.
13289 2000-02-20 Bruce Korb <bkorb@gnu.org>
13291 * fixinc/inclhack.def(stdio_va_list):
13292 typedef needs to be disabled.
13293 * fixinc/inclhack.sh: regen
13294 * fixinc/fixincl.x: regen
13296 2000-02-20 Geoff Keating <geoffk@cygnus.com>
13298 * print-rtl.c (print_rtx): Don't print addresses when
13299 flag_dump_unnumbered.
13301 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13303 * sparc.c (sparc_output_scratch_registers): Mark parameter with
13305 (sparc_va_arg, sparc_flat_output_function_prologue,
13306 sparc_flat_output_function_epilogue): Cast value to unsigned in
13308 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
13310 * sparc.md: Add default case in switch.
13312 2000-02-19 Richard Henderson <rth@cygnus.com>
13314 * c-typeck.c (add_pending_init): Don't abort for multiple
13315 fields at the same offset.
13316 (pending_init_member): Test the correct member.
13318 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13320 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
13322 (start_catch_handler) : Same.
13324 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
13326 * Makefile.in: Have flow.o depend on $(EXPR_H)
13328 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13330 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
13331 * c-decl.c (duplicate_decls, finish_enum): Likewise.
13332 (finish_decl): Remove -Wlarger-than code from here.
13333 * flags.h (id_clash_len): Now int.
13334 (larger_than_size): Now HOST_WIDE_INT.
13335 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
13336 Clean up checking to see if in table.
13337 (make_bit_field_ref): Remove extra parm to bitsize_int.
13338 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
13339 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
13340 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
13341 and for computing size of decl.
13342 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
13343 Move -Wlarger-than code to here.
13344 (layout_record): Remove extra arg to bitsize_int.
13345 Set TYPE_BINFO_SIZE_UNIT.
13346 (layout_union): Remove extra arg to bitsize_int.
13347 Use proper type for size of QUAL_UNION.
13348 (layout_type): Remove extra arg to bitsize_int.
13349 * toplev.c (id_clash_len): Now int.
13350 (larger_than_size): Now HOST_WIDE_INT.
13351 (decode_W_option): Clean up id-clash and larger-than- cases.
13352 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
13353 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
13354 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
13355 (struct tree_decl): New field size_unit.
13356 (size_int_wide): No HIGH operand; NUMBER is now signed.
13357 (size_int_2): Deleted.
13358 (size_int, bitsize_int): Don't use it and rework args.
13359 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
13361 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
13363 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
13365 2000-02-18 Geoff Keating <geoffk@cygnus.com>
13367 * invoke.texi (Warning Options): Add an explanation of why
13368 you might want the -Wfloat-equal flag.
13370 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13372 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13373 * cppinit.c (new_pending_define): Add cast to avoid warning.
13374 * expmed.c (extract_bit_field): Likewise.
13375 * flow.c (enum reorder_skip_type): New type.
13376 (skip_insns_between_blcok): New it.
13377 Rework to avoid warning about possibly undefined variable.
13378 * function.c (assign_parms): Make thisparm_boundary unsigned.
13379 * genrecog.c (write_switch): Cast XWINT result to int.
13380 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
13381 * mips-tfile.c (init_file): Make two versions of FDR intializer:
13382 one for MIPS and one for Alpha.
13383 (get_tag, copy_object): Add casts to avoid warnings.
13384 * optabs.c (init_one_libfunc): Cast NAME to (char *).
13385 * reload.c (find_reloads): Make TYPE enum reload_type.
13386 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
13387 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
13388 * varasm.c (compare_constant_1): Add cast to avoid warning.
13389 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
13391 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
13392 Cast switch operand of size to int.
13393 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
13394 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
13397 2000-02-18 Nick Clifton <nickc@cygnus.com>
13399 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
13400 anything for an alignment of zero.
13402 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
13403 anything for an alignment of zero.
13405 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
13407 * gcc.texi (Bug Reporting): Refer to bugs.html.
13408 (Bug Lists): Likewise.
13409 * system.h (GCCBUGURL): New preprocessor define.
13410 * rtl.c (fancy_abort): Use it.
13411 * gcc.c (main): Likewise.
13413 2000-02-18 Richard Henderson <rth@cygnus.com>
13415 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
13416 (life_analysis_1): Subsume into ...
13417 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
13418 Use update_life_info for the relaxation.
13419 (update_life_info): Update REG_BASIC_BLOCK for registers live on
13420 entry and regs_live_at_setjmp.
13421 (set_noop_p): Simplify.
13422 (notice_stack_pointer_modification_1): Renamed from s/_1//.
13423 (record_volatile_insns): Split into ...
13424 (delete_noop_moves): ... here,
13425 (notice_stack_pointer_modification): ... here,
13426 (insn_dead_p): ... and here.
13427 (propagate_block): Don't query INSN_VOLATILE.
13428 (mark_used_regs): Mind !PROP_REG_INFO.
13429 * toplev.c (rest_of_compilation): Call mark_constant_function here,
13430 not in life_analysis.
13432 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
13434 * loop.c (canonicalize_condition): New function,
13435 broken out of get_condition.
13436 (get_condition): Use it.
13437 * expr.h (canonicalize_condition): Prototype it.
13439 * tree.h (tree_int_cst_msb): Declare.
13440 * tree.c (tree_int_cst_msb): New function.
13442 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13444 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
13447 * invoke.texi (-fmessage-length=n): Document.
13449 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
13451 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
13453 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13455 * function.c (thread_prologue_and_epilogue_insns): Put a line note
13456 after the prologue.
13458 2000-02-17 Nick Clifton <nickc@cygnus.com>
13460 * config/arm/thumb.c: Replace includes of system headers with
13461 #include "system.h".
13463 2000-02-16 Richard Henderson <rth@cygnus.com>
13465 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
13466 Add crtbeginS.o and crtendS.o.
13467 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
13468 (ENDFILE_SPEC): Use crtendS.o.
13469 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
13471 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
13472 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
13473 shared and present.
13474 (__dso_handle): New variable.
13475 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
13476 bias to __CTOR_END__.
13478 2000-02-16 Richard Henderson <rth@cygnus.com>
13480 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
13482 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
13484 * longlong.h (__clz_tab): Declare as static to match definition.
13486 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
13488 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
13489 (XREF_FILE_NAME): Define.
13491 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
13492 (EH_FRAME_SECTION_ASM_OP): Define.
13493 (IDENT_ASM_OP): Define.
13494 (TEXT_SECTION_ASM_OP): Define.
13495 (CPP_SPEC): Define.
13496 (CTORS_SECTION_ASM_OP): Define.
13497 (CTOR_SECTION_FUNCTION): Use it.
13498 (DTORS_SECTION_ASM_OP): Define.
13499 (DTOR_SECTION_FUNCTION): Use it.
13501 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
13503 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
13506 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
13507 debug_bb_n): New functions.
13508 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
13509 * basic-block.h: Prototype new functions.
13511 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
13513 * configure.in: Add support for avr target.
13514 * configure: Rebuilt.
13516 * invoke.texi: Add AVR invocation docs.
13517 * install.texi: Add information about AVR.
13518 * md.texi: Add AVR constraint letters description.
13519 * extend.texi: Add description for AVR specific attributes.
13521 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
13523 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
13525 2000-02-16 Nick Clifton <nickc@cygnus.com>
13527 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
13528 (make_insn_raw): Move RTL check here.
13530 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13532 * version.c: Include gansidecl.h and version.h.
13534 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
13536 * configure.in (gcc_version): When setting, narrow search to
13537 lines containing `version_string'.
13539 * Makefile.in (mainversion): Likewise.
13540 (GCC_H): New variable.
13541 (gcc.h): Delete target.
13542 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
13543 (version.o): Depend on version.h.
13544 (dbxout.o): Don't depend on gcc.h.
13546 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
13547 Michael Meissner <meissner@cygnus.com>
13549 * md.texi (Simple Constraints): Add item about whitespace.
13550 * genoutput.c (strip_whitespace): New.
13551 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
13552 strip_whitespace for constraints.
13553 Test pointer using NULL, not 0.
13555 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13557 * cpplib.c (do_line): Pedwarn for #line > 32767.
13559 * c-lex.c (readescape): Warn about '\x', but do not reject it.
13561 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
13563 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
13564 to default cpp spec.
13565 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
13566 * cpp.texi: Document __GNUC_PATCHLEVEL__.
13569 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
13572 2000-02-15 Denis Chertykov <denisc@overta.ru>
13574 * configure.in: Add support for avr target.
13576 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13578 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
13579 (sh_addr_diff_vec_mode): Don't declare.
13580 * sh.c (sh_addr_diff_vec_mode): Delete.
13582 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13584 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
13586 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13588 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
13589 (smulsi3_highpart_i): Name.
13590 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
13591 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
13592 (smulsi3_highpart, umulsi3_highpart): Likewise.
13594 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
13595 correctly independent of endianness.
13596 (mulsidi3, umulsidi3): Now define_insn. Hide details that
13597 confuse the optimizers.
13598 (mulsidi3+1, umulsidi3+1): New define_split.
13600 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
13602 * config/sh/sh.md: Guard insn splits against illegal registers.
13603 * config/sh/sh.h: Correct comment about macros.
13605 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13606 Andrew MacLeod <amacleod@cygnus.com>
13608 * Makefile.in (lcm.o): Depend on insn-attr.h.
13609 * basic-block.h (optimize_mode_switching): Declare.
13610 * lcm.c (tm_p.h, insn-attr.h): #include.
13611 (seginfo, bb_info): New structs.
13612 (antic, transp, comp, delete, insert) : New file-scope static variables.
13613 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
13614 (reg_becomes_live, optimize_mode_switching): Likewise.
13615 * tm.texi: Add description of mode switching macros.
13616 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
13618 * sh-protos.h (remove_dead_before_cse): Remove prototype.
13619 (fldi_ok, fpscr_set_from_mem): New prototypes.
13620 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
13621 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
13622 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13623 (sh_flag_remove_dead_before_cse): Remove declaration.
13624 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
13625 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
13626 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
13627 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13628 (barrier_align): Allow for JUMP_INSNS containing a parallel.
13629 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
13630 (fldi_ok): New function.
13631 (get_fpscr_rtx): Add fpscr_rtx as GC root.
13632 (emit_sf_insn): Only generate fpu switches when optimize < 1.
13633 (emit_df_insn): Likewise.
13634 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
13635 (sh_flag_remove_dead_before_cse): Delete.
13636 (get_free_reg, fpscr_set_from_mem): New functions.
13637 * sh.md (movdf, movsf): Remove no_new_pseudos code.
13638 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
13640 2000-02-15 Loren Rittle <ljrittle@acm.org>
13642 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
13644 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13646 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
13647 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
13649 * cccp.c: Include version.h and/or don't declare `version_string'.
13650 * collect2.c: Likewise.
13651 * alpha.c: Likewise.
13652 * arm/aof.h: Likewise.
13653 * arm/coff.h: Likewise.
13654 * arm/elf.h: Likewise.
13655 * arm/pe.h: Likewise.
13656 * arm/tcoff.h: Likewise.
13657 * arm/telf.h: Likewise.
13658 * arm/tpe.h: Likewise.
13659 * arm/vxarm.h: Likewise.
13660 * convex/convex.c: Likewise.
13661 * i386/dgux.c: Likewise.
13662 * i386/sun386.h: Likewise.
13663 * m88k/m88k.c: Likewise.
13664 * mcore/mcore-pe.h: Likewise.
13665 * mips/mips.h: Likewise.
13666 * romp/romp.h: Likewise.
13667 * sh/sh.c: Likewise.
13668 * cpphash.c: Likewise.
13669 * cppinit.c: Likewise.
13670 * dwarf2out.c: Likewise.
13671 * dwarfout.c: Likewise.
13674 * mips-tfile.c: Likewise.
13675 * protoize.c: Likewise.
13676 * toplev.c: Likewise.
13677 * tree.h: Likewise.
13679 * version.c (version_string): Constify a char*.
13681 * version.h: New file.
13683 2000-02-14 Nick Clifton <nickc@cygnus.com>
13685 * configure.in: Add mcore-elf and mcore-pe targets.
13686 * configure: Regenerate.
13688 * NEWS: Add note that MCore port has been contributed.
13690 * invoke.texi: Document command line switches for MCore port.
13691 * install.texi: Add MCore to list of supported targets.
13693 2000-02-14 Geoff Keating <geoffk@cygnus.com>
13695 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
13696 then we will need to import the frame handling functions.
13697 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
13698 to import the frames themselves.
13700 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
13701 Jason Eckhardt <jle@cygnus.com>
13703 * basic_block.h: Added prototype for reorder_basic_blocks.
13704 * toplev.c: Changes to add -freorder-blocks and graph dump after
13705 block reordering is done.
13706 * flow.c (reorder_block_def): New structure for use during block
13708 (REORDER_BLOCK_*): New macros to access members of above structure.
13709 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
13710 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
13711 functions for block reordering.
13713 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
13715 * gcc.texi (Passes): Fix typo.
13716 * md.texi (Standard Names): Ditto.
13717 * tm.texi (Storage Layout): Ditto.
13719 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13721 * cpplib.c (do_define): Only free the old definition if it
13724 2000-02-13 Neil Booth <NeilB@earthling.net>
13726 * cppfiles.c (read_and_prescan): When emitting deferred
13727 newlines, test speccase[] again instead of checking each
13728 possible whitespace character in turn. When we encounter \r,
13729 look behind for \n first, then ahead.
13731 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13733 * cse.c (cse_altered): New internal flag.
13734 (cse_insn): Set it if we changed an insn.
13735 (cse_main): Clear cse_altered before each basic block.
13736 Only garbage collect if cse_altered is true afterward.
13738 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13740 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
13742 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
13744 * combine.c (simplify_comparison): Fix typo.
13746 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
13748 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
13751 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13753 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
13754 previously inserted node instead of root node. Caller changed.
13756 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13758 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
13760 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13762 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
13763 __dereg_frame_dtor): Add prototype argument.
13765 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
13767 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
13769 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
13771 * gthr-vxworks.h (__gthread_once): Likewise.
13773 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
13775 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
13777 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
13778 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
13779 stack pointer in functions w/o saved registers, output LEAVE more often
13780 on TARGET_USE_LEAVE machines.
13782 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
13784 * config/arm/arm.c (arm_init_cumulative_args); New function:
13785 Initlaise the CUMULATIE_ARGS strcuture for a function
13787 (arm_function_arg): New function: Determine where to place a
13788 function's argument. Also handles deciding the function's
13790 (current_file_function_operand): New function: Return true if
13791 the symbol is a function which has already been compiled.
13792 (arm_is_long_call_p): New function: Return true if the
13793 indicated function should be called via a long call.
13794 (arm_valid_type_attribute_p): New function: Return true if the
13795 attribute is a valid, arm specific, attribute.
13796 (arm_comp_type_attribute): New function: Return true if the
13797 two types have compatable, arm specific, attributes.
13799 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
13801 (FUNCTION_ARG): Redefine to call arm_function_arg.
13802 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
13804 (INIT_CUMULATIVE_ARGS): Redefine to call
13805 arm_init_cumulative_args.
13806 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
13808 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
13810 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
13812 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
13813 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
13814 (COMP_TYPE_ATTRIBUTES): Define.
13816 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
13817 if a long call is needed.
13818 (call_value): Call arm_is_long_call_p to decide if a long call
13820 (call_symbol): Call arm_is_long_call_p to decide if a long call
13823 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
13825 2000-02-11 Denis Chertykov <denisc@overta.ru>
13827 * README.AVR: New file with information about the avr ports.
13828 * config/avr: New directory with avr port files.
13830 2000-02-11 Andreas Jaeger <aj@suse.de>
13832 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
13834 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
13836 * cpphash.c: Fix formatting, update commentary.
13837 (dump_definition): Take three separate arguments instead of a
13838 MACRODEF structure argument.
13839 * cpphash.h: Update prototype of dump_definition.
13840 * cppinit.c (cpp_finish): Update call of dump_definition.
13842 * cpplib.c (do_define): Always create new hash entry with
13843 T_MACRO type. Remove redundant check for redefinition of
13844 poisoned identifier. Update call of dump_definition.
13845 (do_undef): Don't call check_macro_name. Rename sym_length to
13847 (do_error, do_warning): Don't use copy_rest_of_line or
13849 (do_warning): Don't use pedwarn for the actual warning,
13850 only the notice about its not being in the standard. (Fixes
13851 bug with #warning in system headers.)
13852 (do_ident): Stricter argument checking - accept only a single
13853 string after #ident. Also, macro-expand the line.
13854 (do_xifdef): Use cpp_defined. De-obfuscate.
13856 (do_pragma): Split out specific pragma handling to separate
13857 functions. Use get_directive_token. Update commentary. Do
13858 not pass on #pragma once or #pragma poison to the front end.
13859 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
13860 do_pragma_default): New.
13862 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
13864 * jump.c (jump_optimize_1): The first operand in a relational
13865 can be a CONST_INT.
13866 * optabs.c (emit_conditional_move): Handle relationals which
13867 have a known true/false result.
13869 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13871 * function.c (thread_prologue_and_epilogue_insns): Don't insert
13872 a RETURN insn into a block which already ends with a jump.
13874 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13876 * haifa-sched.c (BUF_LEN): Increase a lot.
13878 2000-02-11 Nick Clifton <nickc@cygnus.com>
13880 * configure.in: Add tm_p_file specification for thumb targets.
13881 * configure: Regenerate.
13883 * config/arm/thumb-protos.h: New file: Prototypes for exported
13884 functions defined in thumb.c.
13886 2000-02-11 Robert Lipe <robertl@sco.com>
13888 * Makefile.in (bootstrap-lean): Remove additional files.
13889 (bootstrap2-lean): Likewise.
13890 (VOL_FILES): List of files for above.
13892 2000-02-11 Nathan Sidwell <nathan@acm.org>
13894 * cpphash.c (special_symbol): Remove spurious argument to
13897 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13899 * configure.in: (i*86-*-rtems*): Swapped elf and coff
13901 * configure: Rebuilt.
13903 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
13905 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13907 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
13909 * pa.c, pa.h: Remove trigraph sequences within comments.
13911 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
13913 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13915 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
13917 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13919 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13921 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13923 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13925 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13926 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13927 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13928 (ASM_FILE_END): Use c4x_file_end.
13929 * config/c4x/c4x.c (c4x_global_label): New function.
13930 (c4x_external_ref, c4x_file_end): Likewise.
13932 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13933 (c4x_external_ref, c4x_end_file): Likewise.
13935 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
13937 * cppexp.c: Don't include cpphash.h.
13938 (parse_charconst, cpp_lex): Use cpp_defined.
13939 (cpp_lex): Use get_directive_token throughout. Remove
13940 unnecessary cases from switch. Move assertion-handling code
13941 down to OTHER case.
13942 (cpp_parse_expr): If we see '+' or '-', check the context to
13943 determine if they are unary or binary operators. Streamline
13944 the jumps a bit. Do not call skip_rest_of_line.
13946 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13947 static. Export get_directive_token. Update commentary.
13948 (cpp_defined): New function.
13949 (do_define): Remove reference to T_PCSTRING. Call
13950 free_definition to release memory for old definition, when
13951 redefining a macro.
13952 (eval_if_expression): Set only_seen_white to 0 before calling
13953 cpp_parse_expr. Call skip_rest_of_line after it returns.
13954 (cpp_read_check_assertion): Don't preserve a pointer into the
13955 token buffer across a call to cpp_get_token.
13957 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
13958 * cppfiles.c (redundant_include_p): Use cpp_defined.
13959 * cpphash.c (free_definition): New function.
13960 (delete_macro): Use it. Update commentary.
13961 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
13963 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13964 from enum node_type. Prototype cpp_defined and get_directive_token.
13965 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13967 * fix-header.c (check_macro_names): Use cpp_defined.
13968 (read_scan_file): Set inhibit_warnings and inhibit_errors in
13969 the options structure.
13971 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13973 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13975 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
13977 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13978 rather than die->die_tag.
13980 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13982 * combine.c (make_extraction, force_to_mode): Avoid warning on
13983 mixed-signedness conditionals.
13984 (make_field_assignment, nonzero_bits): Likewise.
13985 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13986 (store_split_bit_field, extract_split_bit_field): Likewise.
13987 (extract_fixed_bit_field, store_bit_field,
13988 * expr.c: Change alignment to be unsigned everywhere.
13989 (move_by_pieces, store_constructor_field, store_constructor):
13990 Alignment parm is unsigned.
13991 (emit_block_move, emit_group_load, emit_group_store): Likewise.
13992 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13993 (do_compare_rtx_and_jump): Likewise.
13994 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
13995 Compare align with GET_MODE_ALIGNMENT.
13996 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13997 (get_inner_reference): Likewise.
13998 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13999 (expand_assignment): Local vars for alignment now unsigned.
14000 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14001 (do_compare_and_jump): Likewise.
14002 (store_field): Call new function expr_align.
14003 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14004 Alignment arg now unsigned.
14005 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14006 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14007 (extract_bit_field): Likewise.
14008 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14009 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14010 (get_best_mode): Alignment arg is unsigned.
14011 * rtl.h (move_by_pieces): Likewise.
14012 * store-layout.c (maximum_field_alignment, set_alignment):
14014 (layout_decl): Alignment arg is now unsigned.
14015 Remove unneeded casts.
14016 (layout_record, layout_union, layout_type): Remove unneeded casts.
14017 Local alignment variables now unsigned.
14018 (get_best_mode): Alignment arg now unsigned.
14019 * tree.c (expr_align): New function.
14020 * tree.h (expr_align): Likewise.
14021 (maximum_field_alignment, set_alignment): Now unsigned.
14022 (get_inner_reference): Alignment argument is now pointer to unsigned.
14023 * varasm.c (assemble_variable): Add cast to eliminate warning.
14025 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14027 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14028 then store directly into op0.
14030 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14031 the CALL_INSN, and emit the note immediately after it.
14033 2000-02-10 Nick Clifton <nickc@cygnus.com>
14035 * config/arm/thumb.md (epilogue): Include a (return) in the
14036 generated insn, and emit it using emit_jump_insn not
14039 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14041 * function.c (assign_temp): Change zero-sized arrays to size 1.
14042 * integrate.c (expand_inline_function): Do not update
14043 stack_alignment_needed
14044 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14045 add some sanity checking, remove optimization for function with
14048 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14050 * flow.c (mark_regs_live_at_end): Delete unused variables.
14052 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14054 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14055 in macro FRAME_GROWS_DOWNWARD.
14057 * stmt.c (expand_end_bindings): Delete unused variable.
14059 * unroll.c (iteration_info): Mark parameter `loop' with
14062 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14064 * fixinc/server.c (load_data): Return NULL if the marker line is
14066 (run_shell): If load_data returns NULL, retry the command once, in
14069 * configure: Rebuilt.
14071 2000-02-09 Bruce Korb <bkorb@gnu.org>
14073 * gcc/fixincludes: ** DELETED **
14074 * gcc/fixcpp: ** DELETED **
14075 * gcc/fixinc-nt.sed: ** DELETED **
14076 * gcc/just-fixinc: ** DELETED **
14077 * gcc/Makefile.in: Removed out-dated commentary
14078 * gcc/configure.in: Removed fast-fixincludes disablement.
14079 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14081 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14082 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14085 2000-02-09 Richard Henderson <rth@cygnus.com>
14087 * jump.c (delete_insn): Don't delete user labels at -O0.
14089 2000-02-09 Robert Lipe <robertl@sco.com>
14091 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14092 Don't link with HOST_LIBS.
14094 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14096 * configure.in: Correct --help text for --with-dwarf2.
14097 Put tm-dwarf2.h after other tm files, if it's requested.
14098 * configure: Regenerate.
14099 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14102 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14104 * cpplib.h: Provide HASHNODE typedef and forward decl of
14105 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14106 DEFINITION, struct hashnode, struct macrodef, struct
14107 definition, scan_decls prototype, default defn of
14108 INCLUDE_LEN_FUDGE moved elsewhere.
14110 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14111 definition, and struct hashnode moved here. Remove the unused
14112 'predefined' field from struct definition. Replace the 'args'
14113 union with its sole member. All users updated (cpphash.c).
14114 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14115 multiple include guard.
14117 * cpphash.c (hashf): Make static; use better algorithm; drop
14118 HASHSIZE parameter; return an unsigned int.
14119 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14120 used. Calculate HASHSIZE modulus here.
14121 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14123 (create_definition): Drop PREDEFINITION parameter.
14124 * cpplib.c (do_define): Don't calculate a hash value here.
14125 Don't pass (keyword == NULL) to create_definition.
14127 * scan.h: Prototype scan_decls here.
14128 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14129 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14130 callers of cpp_lookup and cpp_install updated.
14132 * cpphash.c (macarg): Hoist all the flag diddling out of the
14134 (macroexpand): ... and out of the loop that calls macarg.
14135 Skip over the initial paren before macro arguments with
14136 cpp_get_non_space_token; point may be some distance before
14137 that paren. Abort if it's not there.
14139 * cpplib.c (parse_clear_mark): Delete function.
14140 (parse_set_mark, parse_goto_mark): Make static.
14141 (ACTIVE_MARK_P): New macro.
14142 (skip_block_comment, skip_line_comment): Do not bump the line
14143 if ACTIVE_MARK_P is true.
14144 (cpp_pop_buffer): The buffer to be popped may not have an
14146 (cpp_get_token): When looking for the initial paren before
14147 macro arguments, only set a mark in a file buffer, Always
14148 return to that mark before proceeding to call macroexpand or
14149 return a NAME token.
14151 * cpplib.h: Remove prototypes of parse_set_mark,
14152 parse_clear_mark, parse_goto_mark.
14153 (struct cpp_options): Rename 'put_out_comments' to
14154 'discard_comments' and invert its sense.
14155 * cppinit.c, cpphash.c, cpplib.c: All users of
14156 put_out_comments changed to use discard_comments, with
14159 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14161 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14162 the edge from a block that both jumps and falls through to the
14165 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14167 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14168 constant source address is legitimate.
14170 2000-02-09 Philip Blundell <pb@futuretv.com>
14172 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14175 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14177 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
14179 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14181 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
14182 ends with a newline and a NUL. Don't be so clever manipulating
14185 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
14187 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
14188 not to BIGGEST_ALIGNMENT.
14190 2000-02-08 Geoff Keating <geoffk@cygnus.com>
14192 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
14193 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
14194 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
14195 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
14196 * frame.c (execute_cfa_insn): Handle
14197 DW_CFA_GNU_negative_offset_extended.
14199 2000-02-08 Richard Henderson <rth@cygnus.com>
14201 * flow.c (tidy_fallthru_edges): Split out from ...
14202 (delete_unreachable_blocks): ... here.
14203 (find_basic_blocks): Use it.
14205 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14207 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
14209 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
14211 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
14212 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
14213 (fix-header.o): Don't depend on cpphash.h.
14215 * scan.c (hashstr): New function.
14216 * scan.h: Prototype it.
14217 * fix-header.c: Don't include cpphash.h. Use hashstr.
14218 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
14219 hashstr. Report hash table statistics. Add private
14220 definition of xrealloc.
14222 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14224 * i386.h (TARGET_SWITCHES): Fix typo in option name.
14226 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
14228 * function.c (thread_prologue_and_epilogue_insns): Don't replace
14229 jumps with returns unless they are jumps to the fallthru block.
14231 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
14233 * i386.md (addqi3_cc): Fix contraints.
14235 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14237 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
14239 2000-02-07 Mark Mitchell <mark@codesourcery.com>
14241 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
14242 carriage return after a macro name.
14244 2000-02-07 Fred Fish <fnf@be.com>
14246 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
14247 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
14249 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
14251 * cppfiles.c (deps_output): Count spacers in deps_column.
14253 2000-02-07 Neil Booth <NeilB@earthling.net>
14255 * cppinit.c (initialize_dependency_output): If there is no
14256 suffix, don't try to look for known suffixes. Use strrchr.
14257 (cpp_start_read): Remove duplicate initialization.
14259 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
14261 * calls.c (compute_argument_block_size): New argument
14262 preferred_stack_boundary.
14263 (expand_call): update cfun->preferred_stack_boundary, update call of
14264 compute_argument_block_size
14265 (emit_library_call): Increate cfun->preferred_stack_boundary
14266 to PREFERRED_STACK_BOUNDARY
14267 (emit_library_call_value): Likewise.
14268 * explow.c (allocate_dynamic_stack_spave): Likewise.
14269 * function.c (prepare_function_start): Set
14270 cfun->preferred_stack_boundary
14271 * function.h (struct function): Add preferred_stack_boundary field.
14272 * integrate.c (expand_inline_function): Update
14273 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
14274 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
14275 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
14277 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
14279 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
14280 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
14281 cpp_pedwarn, cpp_pedwarn_with_line,
14282 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
14283 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
14284 v_cpp_error_with_line, v_cpp_warning_with_line,
14285 cpp_message_from_errno, cpp_perror_with_name): Delete.
14287 * cpperror.c (cpp_print_containing_files): Take starting
14288 buffer as argument.
14289 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
14290 (v_cpp_message): Now called directly by all entry points.
14292 (cpp_pfatal_with_name, cpp_message): Delete.
14293 (cpp_notice_from_errno, cpp_ice): New functions.
14294 (cpp_notice): Is now for reporting error conditions, just
14295 without an associated file.
14296 (cpp_error, cpp_error_with_line): Don't do anything if
14297 opts->inhibit_errors is on.
14298 (cpp_pedwarn_with_file_and_line): Take column argument also.
14300 * cpplib.h: Update prototypes of exported functions.
14301 (struct cpp_options): Add inhibit_errors.
14303 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
14304 non-error messages. Include intl.h.
14306 * cppinit.c, cppmain.c: Likewise. Also, use
14307 cpp_notice_from_errno instead of cpp_perror_with_name or
14308 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
14310 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
14311 report internal errors.
14313 * cpplib.c (do_define): Switch bcopy to memcpy.
14314 Give cpp_pedwarn_with_file_and_line a dummy column argument.
14316 * cpplib.c (copy_rest_of_line): Revert previous change: don't
14317 bail out early if we hit a line comment.
14319 2000-02-06 Richard Henderson <rth@cygnus.com>
14321 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
14322 * basic-block.h: Declare them.
14323 * emit-rtl.h (active_insn_p): New.
14324 (next_active_insn, prev_active_insn): Use it.
14325 * rtl.h: Declare it.
14326 * function.c (emit_return_into_block): New.
14327 (thread_prologue_and_epilogue_insns): Insert return insns instead
14328 of epilogues when possible.
14329 * jump.c (jump_optimize_1): Remove code to insert a return insn
14330 on the fallthru to the exit block.
14332 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
14333 and for non-empty stack frames.
14334 * i386.md (return): Expand to return-pop as needed.
14336 2000-02-06 Richard Henderson <rth@cygnus.com>
14338 * simplify-rtx.c (simplify_relational_operation): Canonicalize
14339 constant to op1 for testing.
14341 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14343 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
14344 (fixuns_truncqfqi2): Use it.
14346 2000-02-06 Richard Henderson <rth@cygnus.com>
14348 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
14349 as a TYPE_LEA insn.
14351 * i386.md (widening and peepholes): Mask the constant instead of
14354 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14356 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
14357 input pointer before possibly branching off to the backslash
14359 * cpphash.c (macroexpand): Correctly delete \r escapes when
14360 stringifying parameters.
14361 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
14362 if we can; bail out early if we hit a line comment.
14363 (handle_directive): Treat '# 123' in an .S file just like
14364 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
14365 Return 1 for '# not_a_directive'.
14366 (get_directive_token): Pop macro buffers here, so that
14367 cpp_get_token can't sneakily move past a newline.
14369 (cpp_get_token): goto randomchar if handle_directive returns 0.
14371 * cppalloc.c: Update copyright.
14372 * cpplib.c: Merge all the static function prototypes into one
14374 * cpplib.h: Remove #if 0 block.
14376 * cpperror.c: Remove #ifdef EMACS block.
14377 * cppmain.c: Likewise.
14378 * cpphash.c: Remove #if 0 blocks.
14379 * cppinit.c: Remove #if 0 blocks, and the -lint option.
14380 * cpplib.c: Remove #if 0 blocks and code referencing
14381 pcp_inside_if or for_lint. Remove duplicate error message.
14382 Fix error messages for #else after #else or #elif. Reformat.
14383 Remove archaic TODO list.
14384 * cpplib.h: Remove pcp_inside_if and for_lint flags.
14386 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14388 * i386/osf1elf.h: Add missing backslash to multiline string.
14390 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14392 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
14394 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14396 * Makefile.in (c-common.o): Depend on $(EXPR_H).
14398 * c-common.c: Include expr.h.
14400 * c-pragma.c (mark_align_stack): Add prototype.
14402 * caller-save.c (add_stored_regs): Likewise.
14404 * combine.c (record_promoted_value): Likewise.
14406 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
14409 * cppinit.c (new_pending_define): Likewise.
14411 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
14413 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
14414 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14415 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
14416 class_scope_p): Likewise.
14418 * dwarf2out.h (dwarf2out_set_demangle_name_func,
14419 dwarf2out_add_library_unit_info): Likewise.
14421 * ggc.h (ggc_page_print_statistics): Likewise.
14423 * haifa-sched.c (propagate_deps): Likewise.
14425 * reg-stack.c (next_flags_user, record_label_references): Likewise.
14427 * rtl.h (set_stack_check_libfunc): Likewise.
14429 * toplev.h (set_fatal_function): Likewise.
14431 * toplev.c (set_fatal_function): Delete prototype.
14433 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
14435 2000-02-05 Geoff Keating <geoffk@cygnus.com>
14437 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
14438 (FUNC_END): Likewise.
14440 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14442 * caller-save.c: Include tm_p.h.
14444 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14446 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
14448 2000-02-04 Neil Booth <NeilB@earthling.net>
14450 * cccp.c (main): Check 'dir' for a NULL pointer before passing
14453 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
14455 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
14456 * genflags.c: Use the max_operand_1 logic from genemit.c to
14457 calculate how many arguments gen_insn prototypes have. Remove
14458 NO_MD_PROTOTYPES ifdefs from the generated file.
14459 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
14460 file. Cast gen_insn initializers to insn_gen_fn.
14461 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
14462 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
14464 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14466 * fixinc/Makefile.in (HDR): Add machname.h.
14469 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14471 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
14472 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
14473 (c4x_cpu_version): Ditto.
14474 * config/c4x/c4x-protos.h: ... here.
14476 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
14478 * dwarf2out.c (add_abstract_origin_attribute): Don't call
14479 gen_abstract_function on our context if we're a nested function.
14481 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14483 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
14484 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
14486 2000-02-04 Bruce Korb <bkorb@gnu.org>
14488 * fixinc/genfixes(machname.h):
14489 Move the functionality from gen-machine.h into this file.
14490 UNdef MN_NAME_PAT if there are no names to change.
14491 Also, be a little kinder when AutoGen is not present.
14493 * fixinc/Makefile.in(machname.h):
14494 Change the generation rule to use genfixes.
14496 * fixinc/fixfixes.c(machine_name):
14497 machine_name_fix's functionality now dependent upon whether
14498 MN_NAME_PAT is defined.
14500 * fixinc/fixtests.c(machine_name):
14503 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
14506 * fixinc/fixlib.h(mn_get_regexps):
14509 * fixinc/gen-machine.h: DELETED
14511 2000-02-04 Jan Hubicka <jh@suse.cz>
14512 Richard Henderson <rth@cygnus.com>
14514 * i386.c (SAVE_REGS_FIRST): Remove.
14515 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
14516 (ix86_compute_frame_size): Likewise.
14517 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
14518 (ix86_emit_restore_regs): Remove.
14519 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
14520 when a frame pointer is in use.
14521 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
14522 instead of pop to restore a register when profitable; emit leave
14524 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
14525 as a TYPE_LEA insn.
14526 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
14527 * i386.md (prologue_allocate_stack): Remove.
14528 (epilogue_deallocate_stack): Remove.
14529 (pro_epilogue_adjust_stack): New.
14531 2000-02-04 Richard Henderson <rth@cygnus.com>
14533 * function.c (diddle_return_value): Rework to use a callback function.
14534 Use current_function_return_rtx if it's been set up.
14535 (do_clobber_return_reg, clobber_return_register): New.
14536 (do_use_return_reg, use_return_register): New.
14537 (expand_function_end): Use them.
14538 * stmt.c (expand_null_return): Likewise.
14539 * function.h: Declare them.
14540 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
14541 (mark_reg): Change arguments as appropriate for callback.
14542 * integrate.c (expand_inline_function): Revert 19 Jan change.
14544 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
14546 * tm.texi (Values in Registers): Fix typo: "fo" "for".
14547 (Misc): Say the scheduler, not the Haifa scheduler.
14549 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
14551 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
14552 when in_mem is set. Update all callers.
14554 2000-02-04 Richard Henderson <rth@cygnus.com>
14556 * i386/openbsd.h (INT_ASM_OP): Define.
14558 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
14560 * tm.texi: Fix various typos.
14562 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
14564 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
14565 (MD_STARTFILE_PREFIX_1): New macro.
14567 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
14569 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
14570 destination when needed.
14571 (strmovsi, strsetsi): New expander.
14572 (strmovsi_1, strsetsi_1): New pattern.
14573 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
14574 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
14575 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
14576 * invoke.texi (align-stringops, inline-all-stringops): Document.
14578 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
14580 * i386/netbsd.h (INT_ASM_OP): Define.
14582 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
14584 * cpplib.h (cpp_reader): Add new flag, no_directives.
14585 * cpphash.c (macarg): Set it.
14586 * cpplib.c (handle_directive): If no_directives is on and we
14587 find a directive, issue an error and discard the line.
14589 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
14591 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
14592 FP constants. Add ! TARGET_FPU check for FP constants.
14594 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
14596 * flow.c (find_basic_blocks): Don't kill label_value_list
14598 (cleanup_cfg): Kill it here.
14600 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14602 * expr.c (store_field): Ensure ALIGN is no stricter than the
14605 2000-02-02 Richard Henderson <rth@cygnus.com>
14607 * jump.c (delete_insn): Partially revert 19 Jan change;
14608 don't convert unused code labels to notes at -O0.
14610 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14612 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
14613 split_all_insns to recreate REG_LABEL notes for flow2 pass.
14615 2000-02-01 Richard Henderson <rth@cygnus.com>
14617 * i386.c (general_no_elim_operand): New.
14618 (nonmemory_no_elim_operand): New.
14619 (ix86_expand_move): Copy eliminable operands before a push.
14620 * i386-protos.h: Declare new functions.
14621 * i386.h (CAN_ELIMINATE): Simplify.
14622 (PREDICATE_CODES): Update.
14623 * i386.md (push insns): Don't allow eliminable register operands.
14625 2000-02-01 Richard Henderson <rth@cygnus.com>
14627 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
14628 replace BLKmode with DECL_RTL's mode.
14630 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
14632 * frame.c (find_fde): Convert for loop to do-while so compiler
14633 sees it's always executed at least once.
14634 * libgcc2.c (BBINBUFSIZE): Kill.
14635 (__bb_init_prg): Use fgets.
14636 (__bb_exit_trace_func): Don't paste strings.
14637 * unroll.c (unroll_loop): Initialize unroll_type, not
14638 unroll_number, and tweak logic to match.
14640 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
14642 (ix86_flags_dependant): Likewise. Disentangle control flow.
14643 (ix86_sched_reorder): Break guts out to
14644 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
14645 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
14648 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
14649 use string concatenation. Don't save and restore esi.
14651 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
14652 (machname.h): Remove script to separate file. Use two-step
14653 sequence so target is not created if script fails.
14654 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
14655 identifiers are defined.
14656 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
14657 an empty string, machine_name doesn't need to do anything at
14659 (is_cxx_header): Add more cases to regexp.
14660 * fixinc/fixlib.h: Update prototype.
14661 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
14663 * fixinc/fixincl.c: Define NO_BOGOSITY.
14665 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
14666 (hp_sysfile): Add missing comma.
14667 (math_exception): Put the wrapper ifdefs at the beginning and
14668 the end of the file.
14669 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
14671 2000-02-01 Richard Henderson <rth@cygnus.com>
14673 * sparc.c (fp_zero_operand): Turn into a normal predicate.
14674 Use CONST0_RTX. Update all callers.
14675 * sparc.h, sparc-protos.h: Update accordingly.
14676 * sparc.md (fp mov insns): Use fp_zero_operand directly
14679 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14681 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
14684 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14686 * Makefile.in (specs.ready): New target.
14687 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
14689 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14691 * fixinc.irix: Use unique filenames for writing into /tmp,
14692 * fixinc.ptx: Likewise.
14693 * fixinc.sco: Likewise.
14694 * fixinc.svr4: Likewise.
14695 * fixinc.winnt: Likewise.
14697 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14699 * tsystem.h: New file.
14701 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
14702 s-crtS): Depend on tsystem.h.
14704 * crtstuff.c: Include tsystem.h.
14705 * frame.c: Likewise.
14706 * libgcc2.c: Likewise.
14708 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
14710 * builtins.c (expand_builtin_memset): Expand for variable sized
14713 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
14715 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
14718 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14720 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
14722 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
14724 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
14726 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
14727 case 3->2 combining (combining with splitting) in which 2 is CC0
14728 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
14729 checked at the begining of the function with the aid of calling
14730 function 'can_combine_p'.
14732 2000-01-31 Dave Brolley <brolley@redhat.com>
14734 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
14736 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
14738 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
14741 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14743 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
14745 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
14748 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14750 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
14751 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
14752 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
14753 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
14754 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
14755 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
14756 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
14757 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
14758 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
14759 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
14761 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
14762 Add %(cpp_cpu) to CPP_SPEC.
14764 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
14765 Add %(cc1_cpu) to CC1_SPEC.
14767 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14769 * c-decl.c (c_decode_option): Accept optional numeric argument to
14770 -Wformat and set warn_format.
14771 * c-common.c: Don't emit warning about non-constant printf format
14772 string unless warn_format > 1.
14774 2000-01-30 Richard Henderson <rth@cygnus.com>
14776 * alpha.md (return_internal): Allow after reload only.
14778 2000-01-30 Richard Henderson <rth@cygnus.com>
14780 * i386.c (ix86_compute_frame_size): Omit padding1 if the
14781 local frame size is zero.
14783 2000-01-30 Richard Henderson <rth@cygnus.com>
14785 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
14786 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
14787 * alpha.md (return): Turn into an expander.
14788 (return_internal): Don't use $26.
14789 (epilogue): Emit the return insn.
14791 2000-01-30 Richard Henderson <rth@cygnus.com>
14793 * alpha.md (negtf2, abstf2): Fix word order thinko.
14794 (extendsftf2): New.
14795 (trunctfsf2): Avoid intermediate rounding errors.
14797 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14799 * cppfiles.c (find_position): Drop 'colp' argument, return the
14801 (read_and_prescan): Adjust to match. Don't ever manipulate
14802 line or line_base except via find_position.
14804 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14806 * c-parse.in: Apply Ulrich's changes from c-parse.y.
14807 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
14810 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14812 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
14813 just print "<command line>". If 'filename' is null or an
14814 empty string, print "<stdin>" for the filename.
14815 * cpplib.c (do_define): Don't print the 'location of the
14816 previous definition' message if we're still parsing the
14818 (cpp_pedwarn_with_file_and_line): Always call
14819 cpp_file_line_for_message.
14821 2000-01-29 Mark Mitchell <mark@codesourcery.com>
14823 * flow.c (mark_regs_live_at_end): Fix typo.
14825 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14827 * c-common.c: Adjust variable names, comments, help strings to c99.
14828 * c-lex.c: Likewise.
14829 * c-parse.y: Likewise.
14830 * c-tree.h: Likewise.
14831 * cccp.c: Likewise.
14832 * cpplib.h: Likewise.
14833 * c-decl.c: Likewise. Recognize options with names "*99" as well.
14834 * cppinit.c: Likewise.
14836 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14838 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
14839 * c4x.c: Define the optab rtx values.
14840 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
14841 (c4x_emit_libcall): Use new optab rtx values.
14842 (c4x_emit_libcall3): Likewise.
14843 (c4x_emit_libcall_mulhi): Likewise.
14844 * c4x-protos.h: Add prototypes for optab rtx values and change
14845 prototypes for above c4x_emit_libcall functions.
14847 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14849 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
14851 (c4x_function_prologue): Use regnames intead of float_reg_names when
14853 (c4x_function_epilogue): Likewise.
14854 (c4x_print_operand): Likewise.
14855 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
14856 * c4x.md (set_high): Disable for TARGET_TI.
14858 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14860 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14861 of framepointer + constant to ADDR_REGS class.
14862 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
14863 * c4x.c (std_or_reg_operand): New function.
14864 * c4x-protos.h (std_or_reg_operand): Prototype it.
14866 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14868 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14869 object names as libgcc2.c.
14870 * libgcc.S: Use newly defined names.
14872 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
14873 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14875 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14876 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14877 (FLOW_LOOP_LAST_BLOCK): Likewise.
14879 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14881 * basic-block.h (struct loop): New fields 'first' and 'last'.
14882 * flow.c (flow_loops_find): Compute loop->first and loop->last.
14883 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14884 and loop->last to check for NOTE_INSN_LOOP_END.
14886 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
14888 * predict.c (estimate_probability): Use the new FIRST and LAST fields
14889 of the loop descriptor rather than HEADER and LATCH. Also added
14890 missing break statements as well making some coding style modifications
14891 as suggested by Michael Hayes.
14893 2000-01-28 Richard Henderson <rth@cygnus.com>
14895 * flow.c (find_basic_blocks): Remove do_cleanup argument.
14896 Break out that code ...
14897 (cleanup_cfg): ... here.
14898 (commit_one_edge_insertion): Detect a return instruction being
14899 emitted to an edge. Emit a barrier following; clear fallthru.
14900 (commit_edge_insertions): Verify CFG consistency.
14901 * function.c (expand_function_start): Kill unused variable.
14902 (expand_function_end): Likewise.
14903 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14904 to insert the epilogue.
14906 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
14907 (delete_null_pointer_checks): Likewise.
14908 * output.h: Likewise.
14909 * reg-stack.c (reg_to_stack): Likewise.
14910 * toplev.c (rest_of_compilation): Likewise. Run
14911 thread_prologue_and_epilogue_insns after rebuilding the CFG.
14913 2000-01-28 Richard Henderson <rth@cygnus.com>
14915 * Makefile.in (flow.o): Revert 24 Jan change.
14916 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
14917 FUNCTION_VALUE result to DECL_RESULT's mode.
14919 * haifa-sched.c (schedule_insns): Don't recompute reg info
14922 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
14924 * configure.in: Make --enable-cpplib the default.
14925 * configure: Regenerate.
14926 * gcc.dg/990119-1.c: No longer expected to fail.
14928 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
14930 * jump.c (jump_optimize_1): Delete an optimization that is also done
14931 by merge_blocks in flow.
14933 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14935 * diagnostic.c (build_message_string, output_printf,
14936 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14937 (build_location_prefix): Fix non-literal format string.
14939 2000-01-27 Richard Henderson <rth@cygnus.com>
14941 * alpha.md (trunctfsf2): New.
14943 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
14945 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14947 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14949 * cppinit.c (cpp_handle_option): Recognize C++ comments under
14951 * cpplib.c (skip_block_comment, skip_line_comment): Split code
14953 (skip_comment) ... here. Permit C++ comments in system
14954 headers always. Warn about C++ comments in user code under
14955 -std=gnu89 -pedantic.
14956 (copy_comment): Use skip_comment.
14957 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14959 (consider_directive_while_skipping, do_else, do_endif): Call
14960 validate_else unconditionally.
14961 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
14962 text after the conditional in a system header.
14963 * cpplib.h (struct cpp_buffer): Add flag
14964 warned_cplusplus_comments.
14966 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14968 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14969 Use unshare_all_rtl_1.
14970 (unshare_all_rtl_again): New function.
14971 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
14973 * function.c (purge_addressof_1): Use unshare_all_rtl_again
14974 rather than resetting the 'used' flags ourself.
14976 * toplev.c (rest_of_compilation): Add current_function_decl
14977 to the unshare_all_rtl call.
14978 * tree.h: Prototype unshare_all_rtl.
14979 * rtl.h: Prototype unshare_all_rtl_again here.
14981 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14983 * genoutput.c (output_prologue): Include ggc.h in generated
14985 * Makefile.in (insn-output.o): Depends on ggc.h.
14987 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
14988 Hans-Peter Nilsson <hp@bitrange.com>
14990 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14991 Remove redundant include of xm-ns32k.h.
14992 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14993 Remove redundant include of xm-ns32k.h.
14994 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14995 Remove redundant include of xm-ns32k.h.
14996 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14998 * ns32k/ns32k.h: Update comment on multiply-add instructions.
14999 (TARGET_SWITCHES): Add documentation strings.
15000 (DWARF_FRAME_REGNUM): Override default definition.
15001 (REG_CLASS_CONTENTS): Add comments.
15002 (SUBSET_P): Format to reduce line length.
15003 (SMALL_REGISTER_CLASSES): Make a run time option.
15004 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15005 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15006 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15007 (regclass_map): fix typo in comment.
15008 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15009 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15010 (trace, reg_or_mem_operand): Delete, unused function.
15011 (calc_address_cost): Small offsets are cheaper than large ones.
15012 (expand_block_move): Generate more efficient code when bytes is a
15013 known at compile time.
15014 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15015 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15016 instead of reg_or_mem_operand.
15018 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15019 not general_operand. Similarly use "=rm" or stricter, not "=g".
15020 For input operands, use stricter constraints than "g" if not
15021 general_operand. Similarly use stricter predicate than
15022 "general_operand" when stricter constraints than "g" are present,
15023 except for matching constraints.
15024 (movstrsi): Use "memory_operand" for operands 0 and 1.
15025 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15026 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15027 not reg_or_mem_operand.
15028 (udivmoddisi4): Ditto.
15029 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15030 Use nonimmediate_operand for operand 3, not register_operand.
15031 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15032 reg_or_mem_operand.
15034 2000-01-27 Fred Fish <fnf@be.com>
15036 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15037 * gthr-single.h: Likewise.
15038 * gthr-solaris.h: Likewise.
15039 * gthr-vxworks.h: Likewise.
15040 * gthr-win32.h: Likewise.
15041 * gthr.h: Likewise.
15043 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15045 * cppinit.c: Add " (cpplib)" to end of string printed by
15048 2000-01-27 Richard Henderson <rth@cygnus.com>
15050 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15051 testing for a signed comparison.
15052 (alpha_emit_floatuns): New.
15053 * alpha-protos.h: Declare it.
15054 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15055 (extendsfdf2): Tidy.
15057 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15059 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15060 no -g option specifying debugging format, default to -gstabs+.
15062 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15064 * calls.c (special_function_p): New argument fork_or_exec.
15065 (expand_call): When profile_arc_flag is set and the function
15066 is in the fork_or_exec group, call __bb_fork_func first.
15067 * libgcc2.c, _bb module (__bb_fork_func): New function.
15068 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15070 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15071 * tree.h (special_function_p): Update prototype.
15073 2000-01-26 Richard Henderson <rth@cygnus.com>
15075 * alpha.c (alpha_split_tfmode_pair): New.
15076 * alpha-protos.h: Declare it.
15077 * alpha.md (abstf2, negtf2): New.
15078 (movtf insn): Add input G constraint.
15079 (movtf splitter): Use alpha_split_tfmode_pair.
15081 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15083 * i386/cygwin.h: PROTO -> PARAMS.
15085 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15087 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15088 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15089 using _Qp_cmp/_Q_cmp and testing the return value.
15090 (print_operand): Call reverse_condition_maybe_unordered if
15091 we are handling CCFPmode or CCFPEmode.
15092 Handle ORDERED, UN* and LTGT comparisons.
15093 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15094 if not TARGET_HARD_QUAD.
15095 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15096 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15097 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15098 Adjust gen_b* calls so that they reflect return comparison of
15099 sparc_emit_float_lib_cmp.
15101 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15103 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15104 incoming operands array is large enough for one more operand.
15105 (alpha_emit_xfloating_arith): Likewise.
15107 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15109 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15110 file with one line and no trailing newline.
15111 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15112 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15113 checking if the match is on the line.
15114 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15116 2000-01-25 Richard Henderson <rth@cygnus.com>
15118 * sparc.c (output_cbranch): Fix accidental squashing of the
15119 fp branch pre-delay nop.
15121 2000-01-25 Richard Henderson <rth@cygnus.com>
15123 * tree.def (UNNE_EXPR): Remove.
15124 * c-typeck.c (build_binary_op): Don't handle it.
15125 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15127 * rtl.def (UNNE): Remove.
15129 * jump.c (reverse_condition): Update accordingly.
15130 (swap_condition): Likewise.
15131 (comparison_dominates_p): Handle unordered comparisons.
15132 (reverse_condition_maybe_unordered): New.
15133 * rtl.h (reverse_condition_maybe_unordered): Declare.
15135 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15136 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15137 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15138 * sparc.md (bltgt): New.
15140 2000-01-25 Nick Clifton <nickc@redhat.com>
15142 * emit-rtl.c (emit_insn): Only check machine class insns for
15143 improper emission of a RETURN.
15145 2000-01-25 Richard Henderson <rth@cygnus.com>
15147 * Makefile.in (flow.o): Depend on $(EXPR_H).
15148 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15149 duplicate the structure of diddle_return_value for keeping regs live.
15151 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15153 * loop.c (current_loop_info): Delete.
15154 (consec_sets_invariant_p): Add loop argument, update callers.
15155 (get_condition_for_loop): Likewise.
15156 (count_nonfixed_reads, update_giv_derive): Likewise.
15157 (simplify_giv_expr, general_induction_var): Likewise.
15158 (consec_sets_giv, recombine_givs): Likewise.
15159 (move_movables): Delete loop_start and loop_end arguments,
15160 add loop argument, and update callers.
15161 (find_mem_givs, check_final_value): Likewise.
15162 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15163 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15165 (basic_induction_var): Add loop argument, delete loop_level argument,
15166 and update callers.
15167 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15168 add loop argument, and update callers.
15169 (find_splittable_regs, find_splittable_givs): Likewise.
15170 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15171 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15172 (biv_total_increment): Delete loop_start and loop_end arguments;
15174 (precondition_loop_p): Delete loop_start and loop_info arguments;
15176 * loop.h (get_condition_for_loop): Add loop argument.
15177 (biv_total_increment): Delete loop_start and loop_end arguments.
15178 (precondition_loop_p): Delete loop_start and loop_info arguments;
15180 (final_biv_value): Delete loop_start and loop_end arguments;
15182 (final_giv_value, back_branch_in_range_p): Likewise.
15184 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15186 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
15188 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15190 * Makefile.in (c-gperf.h) : Change the "See" pointer to
15191 point to the new "generated_files" doc.
15193 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15195 * config/fp-bit.c (_unord_f2): Fix typo.
15197 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15199 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
15200 c-typeck.c, objc/objc-act.c: Remove all references to obstack
15201 functions obsoleted by GC, such as push_obstacks_nochange,
15202 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
15203 and code which existed only to decide whether or not to call
15204 them. Remove now-unused NESTED argument from start_function;
15205 all callers changed. Do not change behavior based on ggc_p.
15206 The use of the ixp_obstack in c-iterate.c and the util_obstack
15207 in objc/objc-act.c remain; these are not obsoleted by garbage
15209 * c-tree.h: Update prototype for start_function.
15211 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
15213 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15215 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
15218 2000-01-25 Richard Henderson <rth@cygnus.com>
15220 * sparc-protos.h (select_cc_mode): Declare.
15221 * sparc.c (select_cc_mode): New. Handle unordered compares.
15222 (output_cbranch): Always reverse via code change. Handle
15223 unordered compares. Factor tests and string updates.
15224 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
15225 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
15226 * sparc.md (bunordered, bordered): New.
15227 (bungt, bunlt, buneq, bunge, bunle): New.
15229 2000-01-25 Richard Henderson <rth@cygnus.com>
15231 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
15232 * ggc-common.c (ggc_add_rtx_varray_root): New.
15233 (ggc_mark_rtx_varray): New.
15234 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
15235 functions down below ggc_mark_foo.
15236 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
15238 2000-01-25 Richard Henderson <rth@cygnus.com>
15240 * alpha.c (secondary_reload_class): Don't allocate a secondary
15241 for integral mode memories into FLOAT_REGS. Rearrange the more
15242 complicated memory expression inward.
15244 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15246 * inclhack.def: Fixes to play nicer with FreeBSD, and
15247 corrections to comments.
15248 (cxx_unready): Add select expression.
15249 (irix_sockaddr): Add bypass expression.
15250 (machine_ansi_h_va_list): New fix.
15251 (stdio_va_list): No need to edit _BSD_VA_LIST_.
15252 Split out addition of "#include <stdarg.h>" to...
15253 (stdio_stdarg_h): ... here.
15254 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
15255 to stdlib.h also. Do not munge _BSD_SIZE_T_.
15256 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
15258 (ultrix_ifdef): Tighten up select expression.
15260 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
15261 re_ct and max_mach to avoid use of shell. Make printed names
15262 match names in inclhack.def. Use static copyright date.
15263 Don't count c_test and test expressions as requiring regex_t
15264 slots. Add some commentary.
15265 * inclhack.tpl: Do not include the 'This script contains N
15266 fixup scripts' line if PROGRAM is defined. Use static
15269 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
15271 * dwarf2out.c: include "varray.h", not dyn-string.h.
15272 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
15273 (addr_const_to_string, addr_to_string): Lose.
15274 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
15275 (struct dw_val_struct): val_addr is now an rtx.
15276 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
15277 (used_rtx_varray): New varray.
15278 (dwarf2out_init): Initialize it.
15279 (save_rtx): New fn.
15280 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
15282 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
15283 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
15284 * Makefile.in (dwarf2out.o): Update dependencies.
15286 2000-01-24 Richard Henderson <rth@cygnus.com>
15288 * i386.c (i386_dwarf_output_addr_const): New.
15289 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
15291 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
15293 * dwarfout.c (output_mem_loc_descriptor): Likewise.
15294 * i386.c (i386_simplify_dwarf_addr): New.
15295 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
15297 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
15299 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
15300 TYPE_STUB_DECL is NULL.
15302 2000-01-24 Richard Henderson <rth@cygnus.com>
15304 * builtins.c (expand_tree_builtin): Move ...
15305 * c-common.c (expand_tree_builtin): ... here.
15307 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15309 * loop.h (LOOP_INFO): New accessor macro.
15310 * basic-block.h (struct loop): Rename field `info' to `aux'.
15311 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
15312 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
15313 * unroll.c (loop_iterations, unroll_loop): Likewise.
15315 2000-01-24 Christopher Faylor <cgf@cygnus.com>
15317 * config/i386/t-cygwin: Accomodate new winsup directory layout
15318 when searching for include files.
15320 2000-01-24 Richard Henderson <rth@cygnus.com>
15322 * rtl.def: Add unordered fp comparisions.
15323 * tree.def: Likewise.
15324 * tree.h: Add ISO C 9x unordered fp comparision builtins.
15326 * builtins.c (expand_tree_builtin): New function.
15327 * c-typeck.c (build_function_call): Use it.
15328 (build_binary_op): Support unordered compares.
15329 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
15331 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
15332 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
15333 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
15334 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
15335 * jump.c (reverse_condition): Don't abort for UNLE etc, but
15337 (swap_condition): Handle unordered compares.
15338 (thread_jumps): Check can_reverse before reversing.
15339 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
15342 * optabs.c (can_compare_p): New argument CODE. Verify branch or
15343 setcc is present before acking for cmp_optab. Update all callers.
15344 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
15345 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
15346 * expr.c (expand_expr): Likewise. Support unordered compares.
15347 (do_jump, do_store_flag): Likewise.
15348 * expr.h (enum libfunc_index): Add unordered compares.
15350 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
15351 (DPBIT_FUNCS): Add _unord_df.
15352 * config/fp-bit.c (_unord_f2): New.
15353 * fp-test.c (main): Try unordered compare builtins.
15355 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
15356 * alpha.c (alpha_comparison_operator): Check mode properly.
15357 (alpha_swapped_comparison_operator): Likewise.
15358 (signed_comparison_operator): Likewise.
15359 (alpha_fp_comparison_operator): New.
15360 (alpha_emit_conditional_branch): Handle unordered compares.
15361 * alpha.h (PREDICATE_CODES): Update.
15362 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
15363 (bunordered, bordered): New.
15365 2000-01-24 Richard Henderson <rth@cygnus.com>
15367 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
15368 * alpha.md (movtf): New expander, insn, and splitter.
15370 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
15372 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15375 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
15377 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
15378 (FIXED_REGISTERS, CALL_USED_REGISTERS,
15379 REG_ALLOC_ORDER): Add frame pointer
15380 (FRAME_POINTER_REGNUM): Set to 20
15381 (HARD_FRAME_POINTER_REGNUM): New macro.
15382 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
15383 to HARD_FRAME_POINTER.
15384 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
15385 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
15386 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
15387 (HI_REGISTER_NAMES): Add "frame".
15388 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
15389 (debug_reg): Handle FRAME_POINTER_REGNUM.
15390 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
15391 GENERAL_REGS and INDEX_REGS.
15392 * i386.c (SAVED_REGS_FIRST): new macro.
15393 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
15394 (ix86_decompose_address, memory_address_length): Likewise.
15395 (regclass_map): Add frame pointer.
15396 (call_insn_operand): Handle frame_pointer_rtx.
15397 (reg_no_sp_operand): Likewise.
15398 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
15399 (print_operand, legitimize_pic_address): Fix formating.
15400 (ix86_compute_frame_size): Make static, update prototype, new
15401 parameters padding1, padding2, use ix86_nsaved_regs, use
15402 stack_alignment_needed.
15403 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
15404 to HARD_FRAME_POINTER_REGNUM conversions.
15405 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
15406 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
15407 (print_reg): Abort on FRAME_POINTER_REGNUM
15409 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
15411 * i386.h (PREDICATE_CODES): Add aligned_operand.
15412 * i386.c (aligned_operand): New function.
15413 (ix86_aligned_p): Kill.
15414 * i386.md (movhi_1): Emit mov for aligned operands.
15415 (promoting peep2s): Use aligned_operand.
15417 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
15419 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
15420 expression to allow underscores in macro names.
15421 (fix_char_macro_defines): Increment scanning pointer.
15423 2000-01-23 Richard Henderson <rth@cygnus.com>
15425 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
15426 * alpha/osf5.h: New file.
15427 * configure.in (alpha-*-osf5): Add it to tm_file.
15429 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
15431 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
15432 (alpha_emit_xfloating_cvt, function_arg): Declare.
15433 * alpha.c (alpha_emit_conditional_branch): Call
15434 alpha_emit_xfloating_compare for TFmode compares.
15435 (alpha_lookup_xfloating_lib_func): New.
15436 (alpha_compute_xfloating_mode_arg): New.
15437 (alpha_emit_xfloating_libcall): New.
15438 (alpha_emit_xfloating_arith): New.
15439 (alpha_emit_xfloating_compare): New.
15440 (alpha_emit_xfloating_cvt): New.
15441 (print_operand): Add default abort case.
15442 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
15443 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
15444 (BIGGEST_ALIGNMENT): Increase to 128 bits.
15445 (RETURN_IN_MEMORY): True for TF/TCmode.
15446 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
15447 (FUNCTION_ARG): Move to function_arg.
15448 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
15449 (ASM_OUTPUT_LONG_DOUBLE): New.
15450 (ASM_OUTPUT_DOUBLE): Always output bits.
15451 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
15452 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
15453 (extenddftf2, trunctfdf2): New.
15455 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15457 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
15458 * config/sparc/sol2.h: ... here.
15460 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15462 * basic-block.h (struct loops): New field `levels'.
15463 * flow.c (flow_loops_level_compute): Traverse all outer loops.
15464 (flow_loop_level_compute): Initialise level to 1.
15465 (flow_loops_find): Set loops->levels.
15466 (flow_loops_dump): Print loops->levels.
15468 2000-01-23 Richard Henderson <rth@cygnus.com>
15470 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
15471 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
15473 2000-01-23 Richard Henderson <rth@cygnus.com>
15475 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
15476 * i386.h (DBX_REGISTER_NUMBER): Use them.
15477 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
15478 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
15479 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
15480 * i386/sequent.h: Kill incorrect comment.
15482 2000-01-23 Mark Mitchell <mark@codesourcery.com>
15484 * ggc-page.c (struct page_entry): Make `context_depth' an
15486 (struct globals): Likewise.
15488 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
15490 * loop.c (check_dbra_loop): When checking a loop for
15491 reversability, check the source of any stores to ensure
15492 they don't depend on an initial value.
15494 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15496 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
15498 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
15500 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
15501 'pz_scan' into scope of entire function. Only affects
15502 compiles with -DDEBUG.
15504 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
15506 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
15507 section naming to that prior to 2000-01-07 patch.
15508 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
15509 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
15510 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
15511 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
15512 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
15514 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
15516 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
15519 2000-01-21 Jim Wilson <wilson@cygnus.com>
15521 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
15522 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
15524 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15526 * cpphash.c (change_newlines): Delete function.
15527 (struct argdata): Delete 'newlines' and 'use_count' fields.
15528 (macroexpand): Remove code referencing those fields.
15530 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15532 * loop.c (loops_info): New variable.
15533 (loop_optimize): Allocate loops->array and free it on exit.
15534 Allocate memory for loops_info and assign to each loop,
15536 (find_and_verify_loops): Do not allocate loops->array.
15538 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15540 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
15542 2000-01-21 Jakub Jelinek <jakub@redhat.com>
15544 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
15545 pseudos if expanded after first flow.
15546 (movdi_pic_label_ref): Likewise.
15548 2000-01-20 Richard Henderson <rth@cygnus.com>
15550 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
15552 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
15554 * Makefile.in (fixinc.sh): Depend on specs.
15555 * fixinc/Makefile.in: Add rule to create machname.h.
15556 (fixlib.o): Depend on machname.h.
15557 * fixinc/fixtests.c (machine_name): New test.
15558 * fixinc/fixfixes.c (machine_name): New fix.
15559 * fixinc/fixlib.c (mn_get_regexps): New helper function for
15560 the machine_name test and fix.
15561 * fixinc/fixlib.h: Prototype it.
15562 * fixinc/inclhack.def (machine_name): Use the C test and fix.
15563 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
15565 * gcc.c (do_spec_1) [case P]: Take care not to create
15566 identifiers with three leading or trailing underscores.
15568 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
15569 (fixincl): Don't specify libraries twice on link line.
15570 (gnu-regex.o): Remove special rule.
15571 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
15572 defined by config.h. Do not define _REGEX_RE_COMP.
15573 (regcomp): Allocate and initialize a fastmap.
15574 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
15576 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
15578 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
15580 2000-01-19 Richard Henderson <rth@cygnus.com>
15582 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
15583 arguments with BB. Update all callers. Tidy line wrapping.
15585 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
15587 * emit-rtl.c (try_split): Return last_insn if we split the
15590 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
15592 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
15593 (ix86_initial_elimination_offset): Declare.
15594 * i386.c (ix86_nsaved_regs): Break out from ...
15595 (ix86_can_use_return_insn_p): ... here.
15596 (ix86_emit_save_regs): Break out from ...
15597 (ix86_expand_prologue): ... here.
15598 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
15600 (ix86_expand_epilogue): ... here.
15601 (ix86_compute_frame_size): Make static, add prototype.
15602 (ix86_initial_elimination_offset): Break out from ...
15603 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
15605 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15607 * recog.h (OUT_FCN): Delete.
15609 * vax.md: Call `get_insn_template' instead of OUT_FCN.
15611 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15613 * cppalloc.c: PROTO -> PARAMS.
15614 * cpperror.c: Likewise.
15615 * cppfiles.c: Likewise.
15616 * cpplib.c: Likewise.
15617 * cpplib.h: Likewise.
15619 * config/arm/arm-protos.h: PROTO -> PARAMS.
15620 * config/arm/arm.c: Likewise.
15621 * config/c4x/c4x.c: Likewise.
15622 * config/fr30/fr30-protos.h: Likewise.
15623 * config/nextstep.c: Likewise.
15624 * config/pa/pa.c: Likewise.
15625 * config/pj/pj.c: Likewise.
15626 * config/rs6000/rs6000.c: Likewise.
15627 * config/v850/v850-protos.h: Likewise.
15628 * config/v850/v850.c: Likewise.
15630 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15632 * i370-protos.h: New file.
15634 * i370.c: Include tm_p.h. Fix compile time warnings.
15636 * i370.h: Move prototypes to i370-protos.h. Fix compile time
15639 * i370.md: Likewise.
15641 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15643 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
15644 (target_isinf, target_isnan, eisnan): Mark parameter with
15646 (eiisinf): Wrap in INFINITY.
15647 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
15648 (ibmtoe): Remove unused variable `rndsav'.
15650 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15652 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
15653 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
15655 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
15657 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
15658 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
15659 (fix_char_macro_defines, fix_char_macro_uses): New functions.
15661 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
15662 Recognize Emacs mode markers also.
15663 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
15664 C++ comments in C++ headers. Call is_cxx_header only if
15667 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
15668 bypass for ncurses.
15669 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
15670 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
15671 ... these, which use the new C fixes.
15672 (math_exception): Escape literal '+' in bypass expression.
15674 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
15677 2000-01-19 Geoff Keating <geoffk@cygnus.com>
15679 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
15682 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15684 * loop.c (loop_optimize): Allocate loop_info structure for each loop
15685 prior to calling scan_loop.
15687 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15689 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
15690 (split_branches, calc_live_regs): Likewise.
15692 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15694 * sh.md (fpu_single, fp_mode): New attributes.
15696 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15698 * loop.c (current_loop_info): Renamed from loop_info_data
15699 and changed to a pointer.
15700 (loop_optimize): Allocate loop_info structure for each loop
15701 and initialise to zero.
15702 (scan_loop): Set current_loop_info.
15704 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
15707 2000-01-19 Richard Henderson <rth@cygnus.com>
15709 * stupid.c: Die die die.
15710 * Makefile.in (OBJS): Remove stupid.o.
15711 (stupid.o): Likewise.
15713 * except.c (emit_eh_context): Don't emit USEs for stupid.
15714 * explow.c (probe_stack_range): Likewise.
15715 * flags.h (obey_regdecls): Remove.
15716 * flow.c (find_basic_blocks): Don't run try_merge_blocks
15717 when not optimizing.
15718 (life_analysis): Limit data collection when not optimizing.
15719 (mark_regs_live_at_end): Always mark the return value registers.
15720 (mark_used_regs): Remove dummy RETURN case.
15721 (print_rtl_with_bb): Don't consult obey_regdecls.
15722 * function.c (use_variable, use_variable_after): Remove.
15723 (assign_parms): Consult optimize not obey_regdecls.
15724 (expand_function_start): Don't emit USEs for stupid.
15725 (expand_function_end): Likewise.
15726 * global.c (build_insn_chain): Export.
15727 * integrate.c (expand_inline_function): Kill return-value USE
15729 * jump.c (jump_optimize_1): Do simple jump optimizations and
15730 dead code elimination.
15731 (calculate_can_reach_end): Remove check_deleted argument.
15732 (delete_insn): Patch out insns even when not optimizing.
15733 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
15734 * rtl.h (use_variable, use_variable_after): Remove declarations.
15735 (build_insn_chain): Declare.
15736 * stmt.c (expand_value_return): Don't emit USEs for stupid.
15737 (expand_end_bindings): Likewise.
15738 (expand_decl): Likewise. Consult optimize not obey_regdecls.
15739 * toplev.c (obey_regdecls): Remove.
15740 (rest_of_compilation): Don't set it. Kill stupid in favour of
15741 flow1, local-alloc, and reload.
15742 (main): Don't set obey_regdecls.
15744 * config/nextstep.c (handle_pragma): Likewise.
15746 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
15748 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
15750 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15752 * alpha-protos.h: PROTO -> PARAMS.
15753 * alpha.c: Likewise.
15755 * h8300.c: Likewise.
15756 * i386-protos.h: Likewise.
15757 * i386.c: Likewise.
15758 * m32r-protos.h: Likewise.
15759 * m32r.c: Likewise.
15760 * mips.c: Likewise.
15761 * mips.md: Likewise.
15762 * gmon-sol2.c: Likewise.
15763 * sparc.c: Likewise.
15765 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15767 * ns32k-protos.h: New file.
15769 * ns32k.c: Fix compile time warnings.
15771 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
15774 * ns32k.md: Likewise.
15776 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15778 * vax-protos.h: New file.
15780 * vax.c: Fix compile time warnings.
15782 * vax.h: Move prototypes to vax-protos.h. Fix compile time
15785 * vax.md: Likewise.
15787 * vaxv.md: Likewise.
15789 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15791 * romp-protos.h: New file.
15793 * romp.c: Fix compile time warnings.
15795 * romp.h: Move prototypes to romp-protos.h. Fix compile time
15798 * romp.md: Likewise.
15800 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15802 * we32k-protos.h: New file.
15804 * we32k.c: Fix compile time warnings.
15806 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
15809 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15811 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
15813 * except.c (eh_regs): Likewise.
15815 * final.c (output_operand): Likewise.
15817 * fold-const.c (target_isinf, target_isnan): Likewise.
15819 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15821 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
15822 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
15824 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
15825 when optimize_size.
15826 (clrstrsi): Rewrite.
15827 (strsethi, strsetqi): New expanders.
15828 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
15829 (cmpstrsi): Emit compare insn before cmpstrsi_1
15830 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
15831 (strlensi_1): Likewise.
15832 (cmpstrsi_1): Likewise; do not output compare.
15833 (strlen expander): Do not unroll when optimizing for size.
15834 (*subsi3_carry): Rename to subsi3_carry
15835 (addqi3_cc): New pattern.
15836 * i386.h (processor_costs): Add move_ratio field.
15837 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
15838 * i386.c (*_cost): Set move_ratio.
15839 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
15840 (x86_expand_strlensi_1): Rewrite the main loop.
15842 2000-01-17 Richard Henderson <rth@cygnus.com>
15844 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
15845 * cse.c (find_comparison_args, fold_rtx): Likewise.
15846 * integrate.c (subst_constants): Likewise.
15847 * loop.c (get_condition): Likewise.
15849 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
15851 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
15853 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15855 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
15856 (RESTORE_WARN_FLAGS): Unpack it.
15857 Change semantic type of extension to ttype.
15858 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15859 * c-parse.y, c-parse.c, objc/objc-parse.y,
15860 objc/objc-parse.c: Regenerate.
15862 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
15864 * fixinc/fixlib.c: Add copyright notice.
15865 (compile_re): New function.
15866 * fixinc/fixlib.h: Prototype compile_re.
15868 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15869 Use compile_re to compile regular expressions.
15871 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15872 where the pattern matched.
15874 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15876 (ultrix_ansi_compat): Likewise.
15877 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15879 (interactv_add2, interactv_add3): Delete.
15880 (x11_sprintf): Don't use filename glob.
15881 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15884 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15886 * print-rtl.c: PROTO -> PARAMS.
15887 * real.c: Likewise.
15888 * reg-stack.c: Likewise.
15889 * resource.c: Likewise.
15890 * sdbout.h: Likewise.
15891 * simplify-rtx.c: Likewise.
15892 * stor-layout.c: Likewise.
15893 * stupid.c: Likewise.
15894 * xcoffout.c: Likewise.
15895 * xcoffout.h: Likewise.
15897 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15899 * toplev.c: PROTO -> PARAMS.
15900 * toplev.h: Likewise.
15901 * tree.c: Likewise.
15902 * tree.h: Likewise.
15903 * unroll.c: Likewise.
15904 * varasm.c: Likewise.
15905 * varray.c: Likewise.
15906 * varray.h: Likewise.
15908 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15910 * reload.c: PROTO -> PARAMS.
15911 * reload.h: Likewise.
15912 * reload1.c: Likewise.
15913 * reorg.c: Likewise.
15914 * resource.h: Likewise.
15917 * rtlanal.c: Likewise.
15918 * sbitmap.h: Likewise.
15919 * sdbout.c: Likewise.
15920 * stack.h: Likewise.
15921 * stmt.c: Likewise.
15922 * system.h: Likewise.
15924 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15926 * machmode.h: PROTO -> PARAMS.
15927 * mbchar.h: Likewise.
15928 * mips-tdump.c: Likewise.
15929 * mips-tfile.c: Likewise.
15930 * optabs.c: Likewise.
15931 * output.h: Likewise.
15932 * prefix.c: Likewise.
15933 * profile.c: Likewise.
15934 * protoize.c: Likewise.
15935 * real.h: Likewise.
15936 * recog.c: Likewise.
15937 * recog.h: Likewise.
15938 * regclass.c: Likewise.
15939 * regmove.c: Likewise.
15940 * regs.h: Likewise.
15942 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15944 * ggc-common.c: PROTO -> PARAMS.
15945 * ggc-page.c: Likewise.
15946 * ggc-simple.c: Likewise.
15948 * global.c: Likewise.
15949 * graph.c: Likewise.
15950 * gthr-win32.h: Likewise.
15951 * haifa-sched.c: Likewise.
15952 * halfpic.h: Likewise.
15953 * integrate.c: Likewise.
15954 * integrate.h: Likewise.
15955 * jump.c: Likewise.
15957 * local-alloc.c: Likewise.
15958 * loop.c: Likewise.
15959 * loop.h: Likewise.
15961 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15963 * genattr.c: PROTO -> PARAMS.
15964 * genattrtab.c: Likewise.
15965 * gencheck.c: Likewise.
15966 * gencodes.c: Likewise.
15967 * genconfig.c: Likewise.
15968 * genemit.c: Likewise.
15969 * genextract.c: Likewise.
15970 * genflags.c: Likewise.
15971 * gengenrtl.c: Likewise.
15972 * genopinit.c: Likewise.
15973 * genoutput.c: Likewise.
15974 * genpeep.c: Likewise.
15975 * genrecog.c: Likewise.
15977 2000-01-16 Mark Mitchell <mark@codesourcery.com>
15979 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
15981 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15983 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15984 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15985 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15986 * configure, config.in: Rebuilt.
15988 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
15990 * config/i386/i386.md: Add peephole to merge successive stack
15993 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
15995 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15996 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
15997 when walking backwards to find all the parameter loads when
15998 the basic block ends in a call.
16000 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16002 * loop.c (this_loop_info): Delete.
16003 (uid_loop): Add in place of uid_loop_num. All uses updated.
16004 (loop_number_exit_count): Delete and replace with entry in loop
16005 structure. All uses updated.
16006 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16007 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16008 (loop_outer_loop): Likewise.
16009 (loop_invalid, loop_number_exit_labels): Likewise.
16010 (loop_used_count_register): Delete and replace with entry in
16011 loop_info structure.
16012 (find_and_verify_loops): Add loops argument.
16013 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16014 loop_end, etc. arguments with loop structure pointer. All callers
16016 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16017 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16018 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16019 (insert_bct): Likewise.
16020 (basic_induction_var): New argument level.
16021 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16022 vtop, and cont. Add used_count_register.
16023 (uid_loop): Delete declaration.
16024 (loop_number_exit_count): Likewise.
16025 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16026 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16027 (loop_outer_loop, loop_used_count_register): Likewise.
16028 (loop_invalid, loop_number_exit_labels): Likewise.
16029 (unroll_loop): Replace loop_start and loop_end arguments
16030 with loop structure pointer.
16031 (loop_precondition_p, loop_iterations): Likewise.
16032 Include basic-block.h.
16033 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16034 with loop structure pointer.
16035 (loop_precondition_p, loop_iterations): Likewise.
16036 * basic-block.h (struct loop): New entries vtop, cont,
16037 cont_dominator, start, end, top, scan_start, exit_labels,
16039 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16041 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16043 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16045 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16047 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16049 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16051 * pdp11-protos.h: New file.
16053 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16056 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16059 * pdp11.md: Likewise.
16061 * 2bsd.h: Likewise.
16063 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16065 * mn10300-protos.h: New file.
16067 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16070 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16073 * mn10300.md: Likewise.
16075 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16077 * mn10200-protos.h: New file.
16079 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16082 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16085 * mn10200.md: Likewise.
16087 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16089 * h8300-protos.h: New file.
16091 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16094 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16097 * h8300.md: Likewise.
16099 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16101 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16102 (asm_emit_uninitialised): Likewise.
16104 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16106 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16107 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16109 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16111 * config/mips/mips.c (override_options): Don't turn on extra
16112 alignment for mips16.
16114 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16116 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16117 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16120 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16122 * builtins.c (PAD_VARARGS_DOWN): Define.
16123 (std_expand_builtin_va_arg): Use the above macro.
16124 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16125 * tm.texi (Register Arguments): Document the above macro.
16127 2000-01-14 Nick Clifton <nickc@cygnus.com>
16129 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16130 that this function has not been used to emit a jump
16133 * jump.c (return_jump_1): Cope with being passed a null rtx.
16135 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16137 * eh-common.h: PROTO -> PARAMS.
16138 * emit-rtl.c: Likewise.
16139 * errors.c: Likewise.
16140 * errors.h: Likewise.
16141 * except.c: Likewise.
16142 * except.h: Likewise.
16143 * explow.c: Likewise.
16144 * expmed.c: Likewise.
16145 * expr.c: Likewise.
16146 * expr.h: Likewise.
16147 * final.c: Likewise.
16148 * fix-header.c: Likewise.
16149 * flow.c: Likewise.
16150 * fold-const.c: Likewise.
16151 * function.c: Likewise.
16152 * function.h: Likewise.
16154 * gcov-io.h: Likewise.
16155 * gcov.c: Likewise.
16156 * gcse.c: Likewise.
16158 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16160 * sh-protos.h: New file.
16162 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16163 Add static prototypes. Fix compile time warnings.
16165 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16169 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16171 * arc-protos.h: New file.
16173 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16176 * arc.h: Move prototypes to arc-protos.h. Fix compile time
16179 * arc.md: Likewise.
16181 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16183 * dsp16xx-protos.h: New file.
16185 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
16188 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
16191 * dsp16xx.md: Likewise.
16193 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16195 * convex-protos.h: New file.
16197 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
16200 * convex.h: Move prototypes to convex-protos.h. Fix compile time
16203 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16205 * elxsi-protos.h: New file.
16207 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
16210 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
16213 * elxsi.md: Likewise.
16215 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16217 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
16218 case for moving from HI/LO/HI_LO_REG. This makes the behavior
16219 match the comment for MIPS16.
16221 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
16223 * flow.c (split_edge): Do not call set_block_for_insn if we
16224 do not have a basic_block_for_insn structure.
16226 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
16227 and destination functions are 32bit aligned within the trampoline.
16228 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
16229 (TRAMPOLINE_ALIGNMENT): Define.
16231 * cse.c (cse_insn): When changing (set (pc) (reg)) to
16232 (set (pc) (label_ref)), verify the change creates a valid insn.
16234 * fr30.c (call_operand): Tighten and rework to match rules for
16235 call RTL expressions.
16236 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
16237 * fr30.md (call patterns): Improve constraints.
16239 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
16241 * fr30.c (fr30_expand_epilogue): Revert last change.
16242 Use emit_jump_insn for the return insn.
16244 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
16245 Stan Cox <scox@cygnus.com>
16247 * predict.c: New file. Preliminary infrastructure work for static
16248 branch prediction and basic block reordering.
16249 * basic-block.h: Add prototype for estimate_probability.
16250 * Makefile.in: Add rules for predict.o.
16252 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
16254 * fixincludes (va_list): Use __not_va_list__ for the dummy.
16255 * fixinc/*: Likewise.
16257 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16259 * cccp.c: PROTO -> PARAMS.
16260 * cexp.y: Likewise.
16261 * collect2.c: Likewise.
16262 * combine.c: Likewise.
16263 * convert.h: Likewise.
16265 * dbxout.c: Likewise.
16266 * dbxout.h: Likewise.
16267 * diagnostic.c: Likewise.
16268 * doprint.c: Likewise.
16269 * dwarf2out.c: Likewise.
16270 * dwarf2out.h: Likewise.
16271 * dwarfout.c: Likewise.
16272 * dwarfout.h: Likewise.
16273 * dyn-string.h: Likewise.
16275 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16277 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
16278 macro conditionals guarding use.
16280 * dwarf2out.c: Include "tm_p.h".
16282 * function.c (locate_and_pad_parm): Mark parameter with
16284 (expand_function_end): Likewise for variable `context'.
16286 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
16288 2000-01-13 Nick Clifton <nickc@cygnus.com>
16290 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
16291 register to prevent compile time warnings.
16293 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
16295 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
16296 to avoid -Wtraditional warning.
16298 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16300 * 1750a-protos.h: New file.
16302 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
16305 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
16308 * 1750a.md: Likewise.
16310 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16312 * a29k-protos.h: New file.
16314 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
16317 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
16320 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16322 * clipper-protos.h: New file.
16324 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
16327 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
16330 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16332 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
16334 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
16336 * configure.in (--enable-new-gxx-abi): New option.
16337 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
16338 * Makefile.in (GXX_ABI_FLAG): New variable.
16339 * configure: Regenerate.
16341 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16343 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
16344 * tm.texi (FORCE_STRUCT_BLK): Document.
16345 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
16347 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
16349 * config/ns32k/ns32k.md: Revert Jan 9 change.
16351 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
16352 to a mode-test, if the predicate is address_operand.
16354 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
16356 * combine.c (if_then_else_cond): Be careful about what kinds
16357 of RTL expressions are passed to operand_subword.
16359 * flow.c (split_edge): If we have to insert a new jump, make
16360 sure to associate it with a basic block.
16362 * flow.c (commit_one_edge_insertion): A block with one successor
16363 can end in a JUMP_INSN that is not a simplejump.
16365 2000-01-12 Robert Lipe <robertl@sco.com>
16367 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
16368 (BUILD_VA_LIST_TYPE): Define.
16369 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
16372 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
16374 * cccp.c (do_pragma): Add cast to (char *).
16376 2000-01-12 Richard Henderson <rth@cygnus.com>
16377 Fred Fish <fnf@be.com>
16378 Jason Merrill <jason@cygnus.com>
16380 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
16381 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
16382 * i386/beos-elf.h, i386/beos-pe.h: New files.
16384 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
16385 * cross-make (SYSTEM_HEADER_DIR): Define using
16386 CROSS_SYSTEM_HEADER_DIR.
16388 * gcc.c (LIBRARY_PATH_ENV): Provide default.
16389 (process_command): Use it.
16390 (main): Likewise. Kill trailing = from env vars.
16391 (build_search_list): Put it back.
16392 * collect2.c (main): Use LIBRARY_PATH_ENV.
16394 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
16395 * toplev.c: Use NEED_DECLARATION_ENVIRON.
16397 * tm.texi (Frame Layout): Document SMALL_STACK.
16398 * c-common.c (c_common_nodes_and_builtins): Check it.
16400 * system.h: Undef alloca after including glibc's <stdlib.h>,
16401 if USE_C_ALLOCA is defined.
16403 * gcc.c (set_input): New fn.
16404 (main): After all input files are compiled, reset the input file
16407 * aclocal.m4 (rindex, index): If already defined, don't attempt
16410 * ginclude/varargs.h: (__va_list__): Define ifndef.
16411 * ginclude/stdarg.h: Likewise.
16413 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
16414 instead of unsigned char.
16416 * hash.h (true, false, boolean): Undef before enum.
16418 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
16419 proper type of "HOST_WIDE_INT *", rather than their natural type of
16420 "unsigned HOST_WIDE_INT *".
16422 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16424 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
16426 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
16428 * regclass.c (choose_hard_reg_mode): Likewise.
16430 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
16432 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
16434 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16436 * c-common.c: PROTO -> PARAMS.
16437 * c-common.h: Likewise.
16438 * c-decl.c: Likewise.
16439 * c-iterate.c: Likewise.
16440 * c-lang.c: Likewise.
16441 * c-lex.c: Likewise.
16442 * c-lex.h: Likewise.
16443 * c-parse.in: Likewise.
16444 * c-pragma.c: Likewise.
16445 * c-pragma.h: Likewise.
16446 * c-tree.h: Likewise.
16447 * c-typeck.c: Likewise.
16448 * objc/objc-act.c: Likewise.
16449 * objc/objc-act.h: Likewise.
16451 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16453 * m88k-protos.h: New file.
16455 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
16458 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
16460 * m88k.md: Likewise.
16462 * tekXD88.h: Likewise.
16464 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16466 * m68k-protos.h: New file.
16468 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
16471 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
16473 * mot3300.h: Likewise.
16475 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
16477 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
16479 (extract_bitlist): Declare bitlen.
16481 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
16483 * cccp.c: Accept and ignore -lang-fortran.
16485 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
16486 qualifiers don't match at any level of pointerness.
16488 2000-01-12 Robert Lipe <robertl@sco.com>
16490 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
16492 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
16494 * reload1.c (reload_reg_unavailable): New static variable.
16495 (reload_reg_free_p): Test it.
16496 (reload_reg_free_for_value_p): Test it instead of
16498 (choose_reload_regs_init): Compute it.
16500 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
16502 * reorg.c (fill_slots_from_thread): Check modified_in_p
16505 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
16507 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
16508 these nodes even if INTERNALS is not set.
16510 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
16512 * gcse.c (delete_null_pointer_checks_1): Cope when
16513 get_condition cannot determine the condition.
16515 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
16517 * toplev.h (set_message_length): Declare.
16519 * diagnostic.c (obstack_chunk_alloc): Define macro.
16520 (obstack_chunk_free): Likewise.
16521 (struct output_buffer): New data structure.
16522 (vmessage): Remove.
16523 (output_maximum_width): New variable.
16524 (doing_line_wrapping, set_message_length, init_output_buffer,
16525 get_output_prefix, output_space_left, emit_output_prefix,
16526 output_newline, output_append, output_puts, dump_output,
16527 vbuild_message_string, build_message_string, build_location_prefix,
16528 voutput_notice, output_printf, line_wrapper_printf,
16529 vline_wrapper_message_with_location): New functions. Implement
16530 automatic line wrapping.
16531 (v_message_with_decl): Make it handle automatic line wrapping.
16532 (v_error_with_file_and_line): Likewise.
16533 (v_warning_with_file_and_line): Likewise.
16534 (announce_function): Likewise.
16535 (default_print_error_function): Likewise.
16537 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
16539 * cpplib.h (struct cpp_options): Change lang_asm to char.
16541 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
16542 done in cpp_handle_option now.
16543 (initialize_builtins): Take out special case code used only by
16545 (cpp_handle_option): Turn off trigraphs and trigraph warnings
16546 if -traditional. Recognize -lang-fortran and set
16547 lang_fortran, also turn off cplusplus_comments.
16548 (print_help): Document -lang-fortran.
16549 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
16550 lang_asm. Ignore all directives other than `# 123 "file"' if
16552 (cpp_get_token): If -traditional, don't recognize directives
16553 unless the # is in column 1.
16554 (parse_string): If lang_fortran or lang_asm, silently
16555 terminate strings ('' or "") at end of line.
16556 Remove unnecessary braces.
16558 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16559 Richard Henderson <rth@cygnus.com>
16561 * resource.c (mark_referenced_resources): Mark a set strict_low_part
16563 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
16564 strict_low_part when possible.
16566 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16568 * alias.c: PROTO -> PARAMS.
16569 * basic-block.h: Likewise.
16570 * bitmap.c: Likewise.
16571 * bitmap.h: Likewise.
16572 * builtins.c: Likewise.
16573 * c-aux-info.c: Likewise.
16574 * caller-save.c: Likewise.
16575 * calls.c: Likewise.
16577 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16579 * Makefile.in (toplev.o): Depend on regs.h.
16581 * output.h (tdesc_section): Prototype.
16583 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
16585 * sdbout.c: Include "tm_p.h".
16587 * toplev.c: Include "regs.h".
16589 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
16591 * unroll.c (unroll_loop): Add EH support.
16593 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16595 * pa-protos.h: New file.
16597 * pa.c: Include recog.h and tm_p.h.
16598 (compute_zdepwi_operands, compute_movstrsi_length,
16599 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
16600 find_addr_reg, import_milli): Add static prototypes.
16601 (pa_cpu_string, pa_arch_string): Constify a char*.
16602 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
16603 (read_only_operand): Add argument `mode'.
16604 (singlemove_string, output_move_double, output_fp_move_double,
16605 output_block_move, output_and, output_ior, output_ascii,
16606 remove_useless_addtr_insns, milli_names, output_mul_insn,
16607 output_div_insn, output_mod_insn, output_arg_descriptor,
16608 output_cbranch, output_bb, output_bvb, output_dbra, ,
16609 output_millicode_call, output_call, hppa_encode_label,
16610 output_parallel_movb, output_parallel_addb): Constify a char*.
16611 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
16612 (output_parallel_addb): Remove extra arg to `constrain_operands'
16614 * pa.h: Move all prototypes to pa-protos.h.
16615 (pa_cpu_string, pa_arch_string): Constify a char*.
16616 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
16618 * pa.md: Call `function_label_operand' with mode argument.
16619 Likewise for `read_only_operand'.
16620 Fix nesting of parens in call to `symbolic_operand'.
16622 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16624 * i860-protos.h: New file.
16626 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
16629 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
16631 * i860.md: Likewise.
16633 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
16635 * i386.md (movstrsi expander): Rewrite.
16636 (movstrsi_1 insn): Deleted.
16637 (strmovhi, strmovqi expander): New expanders.
16638 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
16639 * i386.c (x86_single_stringop): New global variable.
16640 * i386.h (x86_single_stringop): Declare.
16641 (TARGET_SINGLE_STRINGOP): New macro.
16643 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16645 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
16646 integer vararg POSTINCREMENT before the destination of the jump
16647 for the hard fp case.
16648 (function_arg_pass_by_reference): Pass a copy of CUM to
16651 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
16652 for CONSTANT_ADDRESS_P above while loop for subreg.
16654 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16656 * flow.c (propagate_block): When a prologue/epilogue insn
16657 is marked dead, unconditionally clear libcall_is_dead and
16658 insn_is_dead, and only dump rtl if warnings aren't being
16661 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
16663 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
16664 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
16665 (FIXED_REGISTERS): Set dirflag as fixed.
16666 (CALL_USED_REGISTERS): Set dirflag as used.
16667 (REG_ALLOC_ORDER): Set dirflag as last one.
16668 (DIRFLAG_REG): New macro.
16669 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
16670 (HI_REGISTER_NAMES): Add dirflag.
16671 (DEBUF_PRINT_REG): Handle dirflag.
16672 * i386.md (type attribute): New cld and str types.
16673 (length_opcode attribute): Set cld and str to 1.
16674 (memory attribute): Set str to unknown - it is not clear from the
16676 (pent_np function unit): Prefixed string operations takes 12 cycles
16677 minimally; cld takes 2 cycles.
16678 (ppro_uops attribute): Str is "many" and cld is "few".
16679 (ppro_p0 unit): Handle cld here.
16680 (k6_alux unit): Handle cld and str types.
16681 (k6_load unit): It is ocupied by str opcodes.
16682 (k6_store unit): It is ocupied by str opcodes.
16683 (athlon_decode): Str is vector decoded.
16684 (athlon_ieu): Handle str and cld.
16685 (cld pattern): New.
16686 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
16687 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
16688 cmpstrsi_nz_1 insn): Do not output cld instruction
16690 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
16692 * gcc.texi (G++ and GCC): Add Java and Chill.
16693 (Bug Critera): Don't list languages.
16695 * gcc.texi (Incompatibilities): No longer claim most C compilers
16698 * gcc.texi (G++ and GCC): Update other front-ends list.
16700 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
16702 * i386.c (ix86_expand_setcc): Fix typo.
16703 (ix86_expand_movcc): Similarly.
16705 * Band-aid until haifa's bitset implementation is nuked.
16706 * haifa-sched.c (extract_bitlst): New parameter for size of the
16707 bitset in bits. All callers changed. Avoid looking at undefined
16708 bits in the bitset.
16709 (edgeset_bitsize): New variable.
16710 (schedule_region): Initialize edgeset_bitsize.
16712 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16714 * Makefile.in (optabs.o): Depend on real.h
16715 (resource.o): Depend on insn-attr.h
16717 * builtins.c (result_vector): Wrap prototype in macro conditions
16718 governing definition and use.
16720 * c-common.c: Include tm_p.h.
16722 * c-lex.c: Likewise.
16724 * elfos.h: Constify a char*.
16726 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
16727 (get_attr_length, shorten_branches, profile_after_prologue): Mark
16728 parameter with ATTRIBUTE_UNUSED.
16730 * fold-const.c (exact_real_inverse): Wrap variable `i' in
16733 * haifa-sched.c (schedule_insns): Mark parameter with
16736 * optabs.c: Include real.h.
16738 * real.h (ereal_atof): Add prototype arguments.
16740 * resource.c: Include insn-attr.h.
16742 * sdbout.c (sdbout_queue_anonymous_type,
16743 sdbout_dequeue_anonymous_types): Wrap in macro
16744 SDB_ALLOW_FORWARD_REFERENCES.
16745 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
16748 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
16750 * stupid.c: Include tm_p.h.
16752 * tree.c (real_value_from_int_cst): Mark parameter with
16755 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16757 * i960-protos.h: New file.
16759 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
16762 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
16764 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16766 * combine.c (expand_field_assignment): Do not discard SUBREGs
16767 while computing nonzero_bits.
16769 2000-01-09 Nick Clifton <nickc@cygnus.com>
16771 * config/arm/arm.c: Fix compile time warnings about signed vs
16772 unsigned constants.
16773 * config/arm/arm.h: Fix compile time warnings about signed vs
16774 unsigned constants.
16776 2000-01-09 Philip Blundell <philb@gnu.org>
16778 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
16779 than `ldm' with only one register.
16780 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
16783 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
16786 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
16788 * config/ns32k/ns32k.md (load or push effective address): Operand 1
16791 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16793 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
16794 assignment used as truth value.
16796 * function.c (assign_temp): Mark parameter `dont_promote' with
16797 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
16798 PROMOTE_FOR_CALL_ONLY.
16800 * genrecog.c (write_subroutine): Mark variable `operands' with
16803 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
16806 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
16807 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
16809 * toplev.c (note_deferral_of_defined_inline_function): Likewise
16812 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16814 * config/c4x.h: Tidy up comments.
16815 * config/c4x.c: Likewise.
16817 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
16819 * fold-const.c (lshift_double, rshift_double): Handle
16820 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
16822 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16824 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
16825 in prepare_function_start().
16827 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
16829 * config/v850/v850.c (expand_epilogue): Interrupt functions no
16830 longer allocate extra stack for function calls.
16832 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16834 * config/c4x/c4x.md (*subqf3_set): Fix typo.
16836 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16838 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
16840 2000-01-07 David Edelsohn <edelsohn@gnu.org>
16842 * rs6000.c (processor_target_table): Add power3 as alias for 630.
16843 * aix43.h: Revert Aug 2 change.
16844 (HAS_INIT_SECTION): Define, not visible yet.
16845 (LD_INIT_SWITCH): Define, not visible yet.
16846 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
16848 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
16850 * collect2.c (main): Expand ld2 size further.
16851 (export_object_lst): Cast assignment to avoid warning.
16852 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
16853 (scan_prog_file, COFF): Do not collect initialization or
16854 finalization functions generated for entire shared object if
16855 init/fini support present.
16857 2000-01-07 Nick Clifton <nickc@cygnus.com>
16859 * config/elfos.h: Tidy up formatting of marcos. Make sure
16860 that .section directives are always prefixed by a tab.
16862 * config/svr4.h: Add #include "elfos.h" and remove duplicate
16865 2000-01-07 Matt Austern <austern@sgi.com>
16867 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
16870 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
16872 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16874 (crtbegin.o, s-crtS): Likewise.
16876 2000-01-06 Richard Henderson <rth@cygnus.com>
16878 * alpha.md (adddi_2+1): Limit offset such that it will be
16879 loadable with a single ldah+lda pair.
16880 (adddi_2+2): Explicitly fail split if we can't make it work.
16882 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
16884 * protoize.c: Conditionally include unistd.h.
16885 (IS_SAME_PATH_CHAR): New macro.
16886 (IS_SAME_PATH): New macro.
16887 (CPLUS_FILE_SUFFIX): New macro.
16888 (cplus_suffix): New static variable.
16889 (is_abspath): New static function.
16890 (in_system_include_dir): Handle DOS style pathnames.
16891 (file_could_be_converted): Likewise.
16892 (file_normally_convertible): Likewise.
16893 (directory_specified_p): Likewise.
16894 (file_excluded_p): Likewise.
16895 (abspath): Likewise.
16896 (shortpath): Likewise.
16897 (referenced_file_is_newer): Likewise.
16898 (save_def_or_dec): Likewise.
16899 (do_processing): Likewise.
16901 (edit_file): Likewise. Use rename instead of link.
16902 (rename_c_file): Likewise. Don't rename syscalls file.
16903 (munge_compile_params): Define null device for DOS based systems.
16904 (process_aux_info_file): Use binary mode if appliable.
16905 (edit_file): Likewise.
16906 * invoke.texi (Running Protoize): Document C++ suffixes used.
16908 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16909 IS_DIR_SEPARATOR macros.
16910 * collect2.c: Likewise.
16911 * cppinit.c: Likewise.
16912 * dwarf2out.c: Likewise.
16914 * gcov.c: Likewise.
16915 * prefix.c: Likewise.
16917 * toplev.c: Likewise.
16918 * system.h: And move to here.
16920 * prefix.c (update_path): Fix typo in variable name.
16922 2000-01-06 Richard Henderson <rth@cygnus.com>
16924 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16925 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16926 (count_reg_sets_1, count_reg_references): Likewise.
16927 (flow_loops_level_compute): Start counting actual loop depth at 1.
16928 (flow_loops_find): Likewise.
16929 * local-alloc.c (update_equiv_regs): Likewise.
16930 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16932 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
16934 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16935 FIRST_PSEUDO_REGISTER
16936 * dwarf2out.c: Don't include frame.h
16937 * dwarfout.c: Likewise
16938 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16941 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
16943 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16946 * i386.c (movsf splitter): Fix typo in my last checkin.
16948 2000-01-05 Nick Clifton <nickc@cygnus.com>
16950 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16951 own definition of this macro.
16952 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16953 flag_data_sections or UNIQUE_SECTION_P are true.
16955 * tm.texi (UNIQUE_SECTION): Document that it can be called for
16956 unitialised data decls.
16958 * config/i386/winnt.c (i386_pe_unique_section): Cope with
16959 being called for uninitialised data.
16961 * config/i386/interix.c (i386_pe_unique_section): Cope with
16962 being called for uninitialised data.
16964 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16965 for uninitialised data.
16967 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16968 for uninitialised data.
16970 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16971 for uninitialised data.
16973 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16974 (UNIQUE_SECTION_P): Always generate a unique section if
16975 flag_data_sections is true.
16976 (UNIQUE_SECTION): Also generate unique sections for
16977 uninitialised data.
16978 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16979 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16982 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16984 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16987 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16989 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
16990 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16991 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16992 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16993 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16995 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16997 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
16999 * c-decl.c (finish_enum): Simplify code to determine minimum and
17000 maximum values of the enum, and calculate the type. Remove check
17001 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17002 the DECL_INITIAL of each enumeration constant with a copy converted
17003 to the enumeration type. When updating variant types, don't bother
17004 updating the type itself.
17006 * c-typeck.c (build_binary_op): Simplify conditional expressions
17007 when weeding out spurious signed-unsigned warnings. Add new
17008 spurious warning category: if the unsigned quantity is an enum
17009 and its maximum value fits in signed_type(result_type). Update
17011 (build_conditional_expr): Warn here if one alternative is signed
17012 and the other is unsigned.
17014 2000-01-05 Nick Clifton <nickc@cygnus.com>
17016 * config/fr30/fr30.h: Remove extraneous comments.
17018 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17020 * reload1.c (choose_reload_regs): When disabling a reload, also
17021 set reload_spill_index to -1.
17023 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17025 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17027 (m68*-*-rtemself*): New target.
17028 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17029 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17030 (sparc*-*-rtemself*): New target.
17031 (sparc*-*-rtems*): Now elf not a.out.
17032 * config/i386/rtems.h: Include config/rtems.h.
17033 * config/i386/rtemself.h: Include config/rtems.h.
17034 * config/i960/rtems.h: Include config/rtems.h.
17035 * config/m68k/rtems.h: Include config/rtems.h.
17036 * config/m68k/rtemself.h: Include config/rtems.h.
17037 * config/mips/rtems64.h: Include config/rtems.h.
17038 * config/pa/rtems.h: Include config/rtems.h.
17039 * config/rs6000/rtems.h: Include config/rtems.h.
17040 * config/sh/rtems.h: Include config/rtems.h.
17041 * config/sh/rtemself.h: Include config/rtems.h.
17042 * config/sparc/rtems.h: Include config/rtems.h.
17043 * config/sparc/rtemself.h: Include config/rtems.h
17045 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17047 * final.c (shorten_branches): Correctly compute length of
17048 asms without operands.
17050 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17052 * configure.in: Add pj target.
17053 * configure: Regenerate.
17054 * config/pj: New directory.
17055 * config/pj/lib1funcs.S: New file.
17056 * config/pj/linux.h: New file.
17057 * config/pj/pj.c: New file.
17058 * config/pj/pj.md: New file.
17059 * config/pj/pjl.h: New file.
17060 * config/pj/t-pj: New file.
17061 * config/pj/xm-pj.h: New file
17063 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17065 * toplev.c (rest_of_compilation): Run shorten-branches before
17068 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17070 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17071 macros so that they're consistent with their names.
17072 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17073 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17075 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17077 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17078 modified inadvertently.
17080 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17082 * configure.in (v850*-*-rtems*): New target.
17083 * configure: Regenerate.
17084 * config/v850/rtems.h: New file.
17086 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17088 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17089 (__gthread_key_create): Likewise.
17090 (__gthread_key_dtor): Likewise.
17091 (__gthread_once): Fix logic.
17092 (__gthread_key_delete): Cast away constness.
17094 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17095 * invoke.texi: Document.
17096 * i386/mingw32.h (CPP_SPEC): Use.
17097 (LIBGCC_SPEC): Likewise.
17098 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17100 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17102 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17103 (HANDLE_PRAGMA_PACK): Undefine.
17104 (SLOW_UNALIGNED_ACCESS): Define.
17106 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17108 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17109 to default definition.
17110 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17111 (store_fixed_bit_field): Call macro with word_mode and alignment.
17112 (extract_bit_field): Call macro with relevant mode and alignment.
17113 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17114 to default definition.
17115 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17117 (move_by_pieces_ninsns): Likewise.
17118 (clear_by_pieces): Likewise.
17119 (emit_push_insn): Likewise.
17120 (store_field): Call macro with relevant mode and alignment.
17121 (expand_expr): Likewise.
17122 (expand_expr_unaligned): Likewise.
17124 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17125 (SLOW_UNALIGNED_ACCESS): Define.
17126 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17127 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17128 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17129 (toc_section): Likewise and .toc pseudo-op.
17130 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17132 (TEXT_SECTION_ASM_OP): Likewise.
17133 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17136 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17137 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17138 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17139 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17140 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17142 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17144 * regclass.c: Revert my Jan 4 change to loop cost computation.
17146 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17148 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17151 2000-01-04 Stan Cox <scox@cygnus.com>
17153 * haifa-sched.c (build_control_flow): Change unreachable simple
17154 loop test to check if current block has only one predecessor.
17155 (find_rgns): Initialize degree. Use dest as degree index, not src.
17157 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17159 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17161 * calls.c (expand_call): Likewise for
17162 `old_stack_arg_under_construction'.
17164 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17166 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17169 * gcc.c (execute): Likewise for `ut' and `st'.
17171 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17173 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17175 * jump.c (jump_optimize_1): Likewise for `temp2'.
17177 * local-alloc.c (block_alloc): Likewise for `r1'.
17179 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
17181 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
17182 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
17184 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
17187 * reload.c (find_reloads): Likewise for `goal_alternative_number'
17188 and `goal_earlyclobber'.
17190 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
17192 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
17194 * stupid.c (stupid_life_analysis): Likewise for `chain'.
17196 * unroll.c (copy_loop_body): Likewise for `copy'.
17198 * varasm.c (output_constructor): Likewise for `byte'.
17200 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17202 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
17203 all FP constants for constant->reg moves.
17204 (ix86_split_to_parts): Try to convert memory address into immediate
17205 when available in the constant pool.
17206 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
17208 (LEGITIMATE_CONSTANT_P): Return 1.
17209 * i386.md (pushsf): New splitter to convert constant pool memory
17210 reference to immediate.
17211 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
17214 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
17216 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
17217 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
17218 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
17219 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
17220 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
17222 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
17224 * ginclude/stdbool.h: Support compilation as C++.
17226 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17228 * fold-const.c (make_range): Don't try to reverse an unbounded range.
17230 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
17232 * regclass.c (regclass): Properly compute loop_cost. Adjust
17235 * regclass.c: Fix minor whitespace problems.
17237 2000-01-03 Anthony Green <green@cygnus.com>
17239 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
17240 Restore the pic register if required.
17242 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
17244 * c-common.c (format_char_info): Update comment.
17245 (check_format_info): Recognize 'z' modifier in the same way 'Z'
17246 was recognized. Emit warning for formats new in ISO C99 only
17247 if flag_isoc9x is not set.
17249 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
17251 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
17253 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17255 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
17256 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
17257 (make_compound_operation): Choose cheaper alternative between
17258 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
17260 * regclass.c (op_costs): Remove global variable.
17261 (record_reg_classes): New parameter "op_costs" and "reg_pref".
17262 (record_operand_costs): Break out from ...
17263 (scan_one_insn): ... here.
17264 (dump_regclass): Make dumps nicer.
17265 (regclass): Dump preferrences choosed and changes done during passes.
17267 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17269 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
17271 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17273 * config/sparc/sparc.c (gen_df_reg): New function.
17274 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
17275 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
17276 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
17277 movtf_cc_reg_sp64+1): Use it.
17279 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17281 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
17282 copied LABEL_DECLs.
17284 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
17286 * config/i386/i386.c (ix86_expand_unary_operator): Function
17287 definition made void.
17288 (ix86_expand_binary_operator): Update outdated preceding comment.
17289 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
17292 * config/i386/i386.c (override_options): Fix option-name typo.
17294 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17296 * system.h (CEIL): Define.
17297 * builtins.c (CEIL): Remove.
17298 * expmed.c (CEIL): Likewise.
17299 * expr.c (CEIL): Likewise.
17300 * stor-layout.c (CEIL): Likewise.
17302 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17304 * expr.c (store_constructor_field): Fix typo introduced with last
17307 2000-01-01 Mark Mitchell <mark@codesourcery.com>
17309 * tree.h (BINFO_N_BASETYPES): New macro.
17311 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
17313 * expmed.c (emit_store_flag): Prevent losing a pending stack
17314 adjust the same way we prevent losing queued increments.
17316 See ChangeLog.2 for earlier changes.