1 2000-07-05 Jim Wilson <wilson@cygnus.com>
3 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
6 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
8 * invoke.texi: Fix minor typos
9 * md.texi: Fix minor typos
11 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
13 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
15 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
17 * cpplex.c: Don't include sys/mman.h.
18 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
20 * cpplib.c: Include sys/mman.h and obstack.h.
21 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
23 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
24 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
25 bother freeing if stack entries (they will be freed with their buffer).
26 (do_endif): Free if stack entries from the buffer obstack.
27 (push_conditional): Allocate if stack entries from the buffer obstack.
29 (find_answer): Rename to _cpp_find_answer.
30 (do_assert, do_unassert): Update.
32 * cpphash.h: Update prototypes.
33 (xobnew): New convenience macro.
34 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
36 (struct cpp_hashnode): Remove disabled field.
38 * cppinit.c: Don't include hashtab.h or splay-tree.h.
39 (report_missing_guard): Moved to cppfiles.c.
40 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
42 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
43 cpp_cleanup_includes. Don't destroy hashtab or
44 all_include_files here.
45 (cpp_finish): Use _cpp_report_missing_guards.
47 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
48 (_cpp_init_include_table): Rename _cpp_init_includes.
49 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
51 * cppexp.c (parse_assertion): Update for new name of
54 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
56 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
58 * cpplib.c (do_ident): s/VSPACE/EOF/
60 2000-07-05 Neil Booth <NeilB@earthling.net>
62 * cpplex.c: Fix trigraph replacement within strings.
64 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
66 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
68 * xcoffout.c (assign_type_number): Constify.
69 (xcoffout_source_file): Add static prototype. Don't needlessly
72 2000-07-04 Jason Merrill <jason@redhat.com>
74 * frame.h (frame_state): Move base_offset to end.
76 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
78 * calls.c (emit_library_call_value_1): Revert previous change.
80 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
82 * fix-header.c (struct partial_proto): Remove unnecessary fields.
83 (recognized_extern, recognized_function, read_scan_file):
84 Update for new scheme.
85 (check_protection): It's still a multiple include guard even
86 if it doesn't always trigger.
87 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
89 * scan.h: Declare struct cpp_token. Update prototypes.
91 2000-07-03 Neil Booth <neilb@earthling.net>
92 Zack Weinberg <zack@wolery.cumb.org>
94 Complete overhaul of the lexer and macro expander.
96 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
97 arg, arglist, argdata, reflist, collect_objlike_expansion,
98 collect_funlike_expansion, collect_params,
99 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
100 unsafe_chars, macarg, compare_defs, special_symbol,
101 scan_arguments, stringify, funlike_macroexpand,
102 _cpp_quote_string, monthnames): Delete.
103 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
104 _cpp_create_definition, _cpp_dump_definition,
105 dump_hash_helper): Adjust.
106 (find_param, count_params, parse_define, var_args_str,
107 check_macro_redefinition, save_expansion): New.
109 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
110 parse_string, output_line_command, trigraph_replace,
111 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
112 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
113 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
114 _cpp_skip_rest_of_line): Modify.
116 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
117 find_position, null_warning, bump_column, expand_name_space,
118 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
119 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
120 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
121 _cpp_prescan): Delete.
123 (dump_param_spelling, process_directive, lex_next,
124 is_macro_disabled, stringify_arg, expand_context_stack,
125 output_token, make_string_token, alloc_number_token,
126 special_symbol, duplicate_token, maybe_paste_with_next,
127 can_paste, prevent_macro_expansion, restore_macro_expansion,
128 get_temp_token, release_temp_tokens, quote_string,
129 token_names, token_spellings, _cpp_expand_name_space,
130 _cpp_glue_header_name, _cpp_reserve_name_space,
131 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
132 placemarker_token, eof_token, cpp_context, macro_args,
133 get_raw_token, parse_arg, parse_args, save_token,
134 push_arg_context, push_macro_context, pop_context,
135 do_pop_context, free_macro_args, _cpp_get_line,
136 _cpp_run_directive): New.
138 * cpplib.c (validate_else, parse_include, push_conditional,
139 pass_thru_directive, read_line_number, parse_ifdef,
140 detect_if_not_defined, _cpp_check_directive, do_define,
141 do_undef, do_include, do_import, do_include_next, do_error,
142 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
143 top_pragmas, do_pragma_gcc, do_pragma_implementation,
144 do_pragma_poison, do_pragma_system_header,
145 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
146 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
147 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
148 cpp_defined): Update for new scheme.
149 (strtoul_for_line, get_define_node, dump_macro_name,
150 _cpp_check_linemarker, _cpp_parse_assertion): New.
151 (_cpp_handle_directive, do_pragma_default): Delete.
153 * cpphash.h (struct predicate): Now struct answer.
154 (enum spell_type, struct token_spelling, struct directive,
155 directive_handler): New.
156 Update prototypes. Remove unused macros.
157 * cpplib.h: Update prototypes. Remove unused macros,
158 structure definitions, and fields.
160 * cpperror.c (print_containing_files, v_message): Adjust.
161 * cppexp.c (parse_assertion, lex, parse_escape,
162 _cpp_parse_expr): Adjust.
163 * cppfiles.c (open_include_file, _cpp_execute_include,
164 _cpp_compare_file_date, cpp_read_file, read_include_file):
166 * cppinit.c (dump_special_to_buffer): Delete.
167 (append_include_chain, merge_include_chains, cpp_reader_init,
168 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
169 cpp_finish, handle_option, print_help): Adjust.
170 * cppmain.c (main): Adjust.
172 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
174 * cppspec.c (lang_specific_driver): Use double quotes in error
177 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
179 * calls.c (emit_library_call_value_1): Use valreg instead
180 of hard_libcall_value.
182 2000-07-03 Geoff Keating <geoffk@cygnus.com>
184 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
185 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
186 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
194 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
195 mode instead of wider_mode is being used.
197 2000-07-03 Jakub Jelinek <jakub@redhat.com>
199 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
200 of 'r'. Use q_regs_operand.
201 (andsi_1+2): Use q_regs_operand.
203 2000-07-03 Jakub Jelinek <jakub@redhat.com>
205 * builtins.c (get_memory_rtx): Always put into alias set 0.
207 2000-07-03 Nick Clifton <nickc@cygnus.com>
209 * config/arm/arm.md: Fix post increment and pre increment
210 peepholes so that they do not generate UNPREDICATBLE opcodes.
211 (ie ones where the increment clobbers the source/destination).
213 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
215 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
216 change too big for -mtiny-stack" a warning, if larger than 63.
217 (out_set_stack_ptr): Change the logic so -mno-interrupts is
218 always safe to use on possible future devices.
219 (function_prologue): Write SPH before SPL, for consistency.
220 If interrupt_func_p true, we know we have enabled interrupts.
221 (avr_num_arg_regs): New function. Round up to even number of
222 bytes if no -mpack-args or if calling a libgcc function.
223 (function_arg, function_arg_advance): Use it.
224 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
225 Output "movw" if available.
226 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
227 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
228 (asm_output_section_name): Add blanks for consistent output.
229 (encode_section_info): Set TREE_READONLY for progmem data to
230 avoid gas warnings about changed section attributes.
231 (avr_hard_regno_mode_ok): Force non-QImode data to start in
232 even numbered registers on devices with "movw".
233 * config/avr/avr.h (MASK_*): Define bits for target_flags.
234 (TARGET_SWITCHES): Mark help strings for translation.
235 Add new -mpack-args and -menhanced switches.
236 (TARGET_OPTIONS): Mark help strings for translation.
237 (progmem_section): Add section attributes.
238 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
239 Output "movw" if available.
240 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
242 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
243 call convention (arguments aligned on even registers).
244 (_cleanup, _exit): Make weak symbols libc can override.
246 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
248 * fp-bit.h: New file.
250 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
251 Comment #endif statements.
252 (__thenan_sf, __thenan_df): Add missing braces around initializer.
254 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
256 * gcse.c (compute_pre_data): Compute ae_kill using other local
257 properties instead of calling compute_ae_kill.
259 * alias.c (init_alias_analysis): Do not call
260 prologue_epilogue_contains until after reload has completed.
262 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
264 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
265 (genrtl_finish_compound_stmt): Likewise.
266 (genrtl_compound_stmt): Change to return void.
268 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
269 move code from here to ...
270 (genrtl_compound_stmt): ... here.
271 (genrtl_finish_compound_stmt): Remove.
272 (expand_stmt): Add comment.
274 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
276 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
279 2000-07-02 Jakub Jelinek <jakub@redhat.com>
281 * cpplib.h (struct cpp_reader): New field include_depth.
282 (struct cpp_printer): Rename last_bsd to last_id.
283 * cppfiles.c (read_include_file): Bump include_depth.
284 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
285 (output_line_command): Output correct #line if a header
286 is including itself and is not protected against multiple inclusion.
287 Use include_depth instead of buffer_stack_depth, last_id instead of
289 * cppinit.c (cpp_start_read): Initialize last_id instead of
292 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
294 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
295 (c-semantics.o): New target.
297 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
298 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
299 (genrtl_clear_out_block): Likewise.
300 (genrtl_goto_stmt): Likewise.
301 (genrtl_expr_stmt): Likewise.
302 (genrtl_decl_stmt): Likewise.
303 (genrtl_if_stmt): Likewise.
304 (genrtl_while_stmt): Likewise.
305 (genrtl_do_stmt): Likewise.
306 (genrtl_return_stmt): Likewise.
307 (genrtl_for_stmt): Likewise.
308 (genrtl_break_stmt): Likewise.
309 (genrtl_continue_stmt): Likewise.
310 (genrtl_scope_stmt): Likewise.
311 (genrtl_switch_stmt): Likewise.
312 (genrtl_case_label): Likewise.
313 (genrtl_begin_compound_stmt): Likewise.
314 (gerntl_finish_compound_stmt): Likewise.
315 (genrtl_compound_stmt): Likewise.
316 (genrtl_asm_stmt): Likewise.
317 (genrtl_decl_cleanup): Likewise.
318 (DECL_ANON_UNION_ELEMS): Likewise.
319 (emit_local_var): Likewise.
320 (make_rtl_for_local_static): Likewise.
321 (expand_cond): Likewise.
322 (expand_stmt): Likewise.
323 (c_expand_return): Likewise.
324 (c_expand_start_case): Likewise.
326 (COMPOUND_STMT_NO_SCOPE): Likewise.
327 (c_expand_asm_operands): Likewise.
328 (NEW_FOR_SCOPE_P): New macro.
329 (expand_expr_stmt_fn): New type.
331 (set_current_function_name_declared): Likewise.
332 (current_function_name_declared): Likewise.
333 (lang_expand_stmt): Likewise.
334 (stmts_are_full_exprs_p): Likewise.
335 (anon_aggr_type_p): Likewise.
336 (lang_expand_expr_stmt): Likewise.
337 (build_case_label): Likewise.
339 * c-decl.c (lang_expand_expr_stmt): Initialize.
340 (stmts_are_full_exprs_p): Define.
341 (current_function_name_declared): Likewise.
343 (lang_expand_stmt): Likewise.
344 (set_current_function_name_declared): Likewise.
345 (anon_aggr_type_p): Likewise.
347 * c-semantics.c: New file.
348 (expand_cond): Moved from cp/semantics.c.
349 (genrtl_do_pushlevel): Likewise.
350 (genrtl_clear_out_block): Likewise.
351 (genrtl_goto_stmt): Likewise.
352 (genrtl_expr_stmt): Likewise.
353 (genrtl_decl_stmt): Likewise.
354 (genrtl_if_stmt): Likewise.
355 (genrtl_while_stmt): Likewise.
356 (genrtl_do_stmt): Likewise.
357 (genrtl_return_stmt): Likewise.
358 (genrtl_for_stmt): Likewise.
359 (genrtl_break_stmt): Likewise.
360 (genrtl_continue_stmt): Likewise.
361 (genrtl_scope_stmt): Likewise.
362 (genrtl_switch_stmt): Likewise.
363 (genrtl_case_label): Likewise.
364 (genrtl_begin_compound_stmt): Likewise.
365 (genrtl_finish_compound_stmt): Likewise.
366 (genrtl_compound_stmt): Likewise.
367 (genrtl_asm_stmt): Likewise.
368 (genrtl_decl_cleanup): Likewise.
369 (make_rtl_for_local_static): Moved from cp/decl.c.
370 (emit_local_var): Likewise.
371 (expand_stmt): Define.
373 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
374 (c_expand_return): Likewise.
375 (c_expand_start_case): Likewise.
377 2000-07-01 Richard Henderson <rth@cygnus.com>
379 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
380 with the low 13 bits set.
381 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
382 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
383 of the low 13 bits into a CONST plus an adddi3.
384 (load_symptr): Set RTX_UNCHANGING_P.
386 2000-06-30 Mark Mitchell <mark@codesourcery.com>
388 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
389 * c-common.c (ridpointers): Declare.
390 * c-common.h (enum rid): Declare.
392 (ridpointers): Likewise.
393 * c-lex.c (ridpointers): Don't declare.
394 (init_lex): Initialize ridpointers.
395 * c-lex.h (enum rid): Don't declare.
397 (RID_FIRST_MODIFIER): Likewise.
398 (ridpointers): Likewise.
400 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
402 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
405 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
407 * invoke.texi (-Wreturn-type): In C++, a missing return type is
410 2000-06-30 Catherine Moore <clm@cygnus.com>
412 * c-common.c (decl_attributes): Differentiate between
413 types and type decls for alignment.
415 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
417 * cpp.texi: Document #pragma GCC dependency
418 * cppfiles.c (open_include_file): Set date to unknown.
419 (_cpp_compare_file_date): New function.
420 (read_include_file): Set file date.
421 * cpphash.h (struct include_file): Add date member.
422 (_cpp_compare_file_date): Prototype.
423 * cpplib.c (parse_include): Add trail parameter. Adjust.
424 (do_include): Adjust parse_include call.
425 (do_import): Likewise.
426 (do_include_next): Likewise.
427 (gcc_pragmas): Add dependency pragma.
428 (do_pragma_dependancy): New pragma.
430 2000-06-29 Jason Merrill <jason@redhat.com>
432 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
435 2000-06-29 Jim Wilson <wilson@cygnus.com>
437 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
438 a volatile mem and FR_REGS.
440 2000-06-29 Mark Mitchell <mark@codesourcery.com>
442 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
443 * c-common.h (flag_const_strings): Declare.
444 (warn_format): Likewise.
445 (flag_traditional): Likewise.
446 (flag_isoc99): Likewise.
447 (warn_parentheses): Likewise.
448 (warn_conversion): Likewise.
449 (C_TYPE_OBJECT_P): Likewise.
450 (C_TYPE_INCOMPLETE_P): Likewise.
451 (C_TYPE_FUNCTION_P): Likewise.
452 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
453 (C_EXP_ORIGINAL_CODE): Likewise.
454 (build_unary_op): Likewise.
455 (build_binary_op): Likewise.
456 (lvalue_p): Likewise.
457 (default_conversion): Likewise.
458 (common_type): Likewise.
459 * c-tree.h (C_TYPE_OBJECT_P): Remove.
460 (C_TYPE_INCOMPLETE_P): Likewise.
461 (C_TYPE_FUNCTION_P): Likewise.
462 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
463 (C_EXP_ORIGINAL_CODE): Likewise.
464 (common_type): Likewise.
465 (default_conversion): Likewise.
466 (build_binary_op): Likewise.
467 (build_unary_op): Likewise.
468 (lvalue_p): Likewise.
469 (flag_const_strings): Likewise.
470 (warn_format): Likewise.
471 (warn_conversion): Likewise.
472 (flag_traditional): Likewise.
473 (flag_isoc99): Likewise.
474 (warn_parentheses): Likewise.
476 2000-06-29 James E. Wilson <wilson@cygnus.com>
478 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
480 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
481 same. Only tie XFmode with XFmode.
483 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
485 * c-decl.c, timevar.c, tlink.c: Include intl.h.
486 * Makefile.in: Update deps.
488 2000-06-29 Andrew Haley <aph@cygnus.com>
490 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
493 2000-06-29 Andrew Haley <aph@cygnus.com>
495 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
496 bytes: remove the multiply by 8.
498 2000-06-29 Philipp Thomas <pthomas@suse.de>
500 * rtl.c : Revert NLS changes.
501 * gcc.c : Fix bug in display_help introced by my last changes.
503 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
505 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
506 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
508 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
510 * flow.c (flow_depth_first_order_compute): Fix algorithm.
512 2000-06-28 Philipp Thomas <pthomas@suse.de>
514 * c-decl.c : Mark strings for translation.
515 (parmlist_tags_warning): Use distinct messages instead
516 of conditional expressions.
517 * diagnostic.c (v_message_with_decl): Mark string for translation.
518 * gcc.c: Mark messages for translation.
519 (display_help): Combine messages into one string where necessary.
520 * mips-tfile: Add intl.h. Mark messages for translation.
521 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
522 messages for translation.
523 * timevar.c: Mark messages for translation.
525 * toplev.c: Likewise.
527 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
529 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
531 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
532 use -isystem instead of -idirafter.
533 * i386/i386-interix.h: Likewise.
535 2000-06-28 Jason Merrill <jason@redhat.com>
537 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
538 unless DWARF2_DEBUGGING_INFO is defined.
539 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
541 2000-06-28 Richard Henderson <rth@cygnus.com>
543 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
545 2000-06-28 Jakub Jelinek <jakub@redhat.com>
547 * cpplex.c (output_line_command): Output correct #line if a header
548 is including itself and is not protected against multiple inclusion.
550 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
552 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
553 ENFILE, close all cached file descriptors and try again.
554 (_cpp_execute_include): Keep a count of the number of times
555 each header is included.
556 (close_cached_fd): New function.
557 * cpphash.h (struct include_file): Rename before to
558 include_count; all users updated. Make include_count and sysp
560 * cppinit.c (cpp_finish): If -H, report headers that could use
562 (report_missing_guard): New function.
564 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
566 * i386.md (prologue_set_got): Set length_immediate field.
567 (testqi_ccno_1): Add missing '@' character.
569 2000-06-27 Jason Merrill <jason@redhat.com>
571 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
574 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
576 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
577 unsigned macros available.
579 2000-06-27 Richard Henderson <rth@cygnus.com>
581 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
582 epilogue_deallocate_stack.
584 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
585 completers for UNORDERED and ORDERED as well.
586 * config/ia64/ia64.md (bunordered, bordered): New.
587 (sunordered, sordered): New.
589 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
591 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
592 * i386.c (ix86_attr_length_default): Kill.
593 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
595 * i386-protos.h (ix86_attr_length_default): Kill
596 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
598 * i386.md (attribute type): Add "test".
599 (attribute length_prefix): Kill.
600 (attribute length_opcode): Kill.
601 (attribute i387, mode, length_immediate, length_address, prefix_data16,
602 prefix_rep, prefix_0f, modrm): New.
603 (attribute length): Compute using the new attributes.
604 (attribute pent_prefix): New.
605 (attribute pent_pair): Compute using pent_prefix.
606 (all insn patterns): Set mode,modrm and immediate_length attributes where
608 (cmpsi patterns): Compute sizes propertly for test instruction.
609 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
610 (movstricthi_xor, movstrictqi_xor): New patterns.
611 (andsi/andhi): Use splitters to generate xor instructions.
612 (xorqi_ext_1): New pattern.
613 (movstricthi->movstricthi_xor peep2): New.
615 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
617 * i386.md (addqi_low_1): Remove.
619 2000-06-27 Philipp Thomas <pthomas@suse.de>
621 * 1750a.h: Mark help strings for options/switches for translation.
626 * riscix.h: Likewise.
628 * clipper.h: Likewise.
629 * convex.h: Likewise.
635 * cygwin.h: Likewise.
639 * osf1elf.h: Likewise.
640 * osfrose.h: Likewise.
644 * paragon.h: Likewise.
650 * mn10300.h: Likewise.
658 * rs6000.h: Likewise.
661 * linux64.h: Likewise.
662 * sp64-elf.h: Likewise.
666 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
668 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
669 Properly document option and mark for translation.
670 * sp86x-elf.h: Likewise.
672 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
674 Add MMX and SSE registers to i386 machine description.
675 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
676 ix86_local_alignment): Declare.
678 * i386.h (TARGET_MMX, TARGET_SSE): New.
679 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
680 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
681 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
682 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
683 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
684 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
685 (RETURN_IN_MEMORY): Handle MMX/SSE.
686 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
687 also get stack space.
688 (MUST_PASS_IN_STACK): Added TImode to the default definition.
689 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
690 (MMX_REGISTER_NAMES): New.
691 (ALIGN_MODE_128): New macro.
692 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
693 (DATA_ALIGNMENT): Likewise.
694 (LOCAL_ALIGNMENT): Likewise.
695 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
696 TARGET_MMX/TARGET_SSE.
697 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
698 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
699 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
700 SSE/MMX regs and something else.
701 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
702 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
703 3 if moving between MMX regs and something else.
705 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
706 (regclass_map): Add MMX/SSE registers.
707 (print_operand): Add code to print XMMWORD as appropriate.
708 (ix86_split_movdi): Abort for MMX regs.
709 (init_cumulative_args): Also allow SSE_REGS
710 (function_arg_advance, function_arg): Likewise
711 (print_reg): Support 'm'. Add case for TImode.
712 (override_options): TARGET_SSE implies TARGET_MMX.
713 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
716 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
718 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
720 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
721 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
723 2000-06-26 Geoff Keating <geoffk@cygnus.com>
725 * ssa.c (struct rename_set_data): Change the name of field
726 'set_dest' to 'old_reg'. Add comments.
727 (struct rename_context): Change the name of 'set_data' to
728 'new_renames'. Add new field 'done_renames'.
729 (create_delayed_rename): New function.
730 (apply_delayed_renames): New function.
731 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
732 SUBREGs and similar by emitting a move.
733 (new_registers_for_updates): Delete, functionality moved to
734 apply_delayed_renames.
735 (rename_block): Handle moves emitted by rename_insn_1 by putting
736 them into a SEQUENCE with the original insn. Add sanity checks
738 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
739 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
741 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
742 Jason Merrill <jason@redhat.com>
744 * dwarf2.h (enum dwarf_call_frame_info): Add
745 DW_CFA_def_cfa_expression.
746 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
747 dw_loc_descr_struct entry.
748 (struct cfa_loc): New structure to track a CFA location.
749 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
750 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
751 offset, plus handle DW_CFA_def_cfa_expression.
752 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
754 (dwarf2out_def_cfa): Entry point maintained for compatability.
755 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
756 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
757 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
758 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
760 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
761 sequences for the new DW_CFA_def_cfa_expression record.
762 (dwarf2out_frame_debug): Use new variables/fields.A
763 (output_cfi): Handle DW_CFA_def_cfa_expression.
764 (output_cfa_loc): New function to generate a CFI record for
765 DW_CFA_def_cfa_expression.
766 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
767 a dw_loc_descr sequeunce.
768 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
769 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
770 size_of_locs, output_loc_operands, output_loc_sequence): Move into
772 * frame.h (frame_state): Add base_offset and indirect fields.
773 * frame-dwarf2.c (decode_stack_op): New function to interpret a
774 dw_loc_descr operation.
775 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
776 (struct frame_state): Add base offset and indirect fields.
777 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
779 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
781 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
782 Make warnings about implicit int be pedwarns in C99. Don't warn
783 about duplicate type qualifiers in C99.
784 (start_function): Make warning about implict int return type be a
786 * c-lex.c (yylex): Don't warn about `long long' in C99.
787 * c-typeck.c (c_expand_return): In C99, always pedwarn about
788 `return' with no value in function returning non-void.
790 2000-06-26 Richard Henderson <rth@cygnus.com>
792 * c-typeck.c (pedwarn_c99): New.
793 * diagnostic.c (verror, vwarning, vpedwarn): Export.
794 * toplev.h: Prototype them.
796 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
798 * c-typeck.c (digest_init): Return error_mark_node node when
799 TREE_TYPE (init) == error_mark_node.
801 2000-06-26 Philipp Thomas <pthomas@suse.de>
803 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
804 test for msgfmt without path instead.
805 * configure: Rebuilt.
807 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
809 * gengenrtl.c (special_rtx): Fix typo in comment.
811 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
813 * mklibgcc.in (LIB2FUNCS): Add missing space.
815 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
817 * tree.h (enum tree_index): Add vector type nodes.
818 Add accessor macros for them.
819 (TYPE_REPRESENATION_TYPE): New macro.
820 * tree.c (build_common_tree_nodes_2): Build these nodes.
821 (finish_vector_type): New function.
822 * c-common.c (type_for_mode): Handle vector modes.
823 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
825 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
826 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
827 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
828 (gen_type_die): Likewise.
829 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
830 (fundamental_type_code): Likewise.
831 (type_is_fundamental): VECTOR_TYPEs aren't.
832 (output_type): Handle VECTOR_TYPEs.
834 2000-06-25 Kazu Hirata <kazu@hxi.com>
836 * config/arm.c: Fix a comment typo.
837 * config/arm.h: Likewise.
839 2000-06-25 Philipp Thomas <pthomas@suse.de>
841 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
843 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
844 * configure: Rebuilt.
846 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
848 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
850 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
852 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
855 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
857 * collect2.c (resolve_lib_name): Move '/' check out of loop.
859 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
861 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
863 2000-06-24 Jakub Jelinek <jakub@redhat.com>
865 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
866 last_unconditional_cleanup.
868 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
870 * tree.def (VECTOR_TYPE): New node type.
871 * tree.h: Adjust some comments to reflect addition of vector types.
872 (TYPE_VECTOR_SUBPARTS): New macro.
873 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
874 * c-convert.c (convert): Likewise.
875 * convert.c (convert_to_integer): Handle vector modes.
876 (convert_to_vector): New function.
877 * convert.h (convert_to_vector): Declare.
878 * expr.c (convert_move): Handle vector modes.
879 * expmed.c (extract_bit_field): Don't abort for vector modes.
881 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
883 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
884 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
885 New functions, common code moved from function_{prologue,epilogue}
886 and extended to support the -mtiny-stack option.
887 (function_prologue, function_epilogue): Use them.
888 Use lo8/hi8 consistently for asm output readability.
889 (avr_hard_regno_mode_ok): New function.
890 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
891 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
892 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
893 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
894 Write SPH before SPL.
895 (*movqi): No need to disable interrupts for just one "out"
896 in alternative 5. Change length attribute from 4 to 1.
897 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
898 Write SPH before SPL.
900 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
902 * rtl.texi (Vector Operations): New node.
903 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
904 (Conversions): Add ss_truncate, us_truncate.
905 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
906 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
907 US_TRUNCATE): New rtx codes.
908 * machmode.def: Add vector modes.
909 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
911 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
912 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
913 (VECTOR_MODE_P): New.
915 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
917 * cpp.texi: Clarify #pragma GCC namespace.
919 2000-06-24 Philipp Thomas <pthomas@suse.de>
921 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
922 all catalogs specified in ALL_LINGUAS.
923 * configure: Rebuilt.
925 2000-06-23 Jakub Jelinek <jakub@redhat.com>
927 * config/sparc/sparc.md (reload_outdi+1): Handle
928 HOST_BITS_PER_WIDE_INT == 64 case correctly.
929 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
931 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
933 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
934 struct vs. scalar-ness when -fno-strict-aliasing.
936 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
938 * cpplib.c (struct pragma_entry): New structure.
939 (pragma_dispatch): Pragma dispatcher.
940 (top_pragmas, gcc_pragmas): New static variables.
941 (do_pragma): Use pragma_dispatch.
942 (do_pragma_gcc): New pragma handler.
945 2000-06-23 Jakub Jelinek <jakub@redhat.com>
947 * calls.c (compute_argument_addresses): Force stack slots into
949 * expr.c (emit_push_insn): Force pushes into alias set 0.
951 2000-06-23 Richard Henderson <rth@cygnus.com>
953 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
954 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
956 2000-06-22 Jason Merrill <jason@redhat.com>
958 * toplev.c (compile_file): Always call timevar_print.
959 * Makefile.in (calls.o): Depend on TIMEVAR_H.
961 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
963 * varasm.c (constant_descriptor): Make contents unsigned char.
964 (mark_const_hash_entry): Adjust.
965 (const_hash): Just hash the code of unknown nodes.
966 (compare_constant_1): Adjust for unsigned char.
967 Use language specific expander on unknown nodes.
968 (record_constant_1): Likewise.
970 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
972 * cppfiles.c (cpp_make_system_header): New function.
973 * cpplib.h: Prototype it.
974 * cpplib.c (do_line, do_pragma_system_header): Use it.
975 * fix-header.c (read_scan_file): Use it.
977 * fix-header.c (check_macro_names): Cast second arg of
978 cpp_defined to const unsigned char *.
979 (read_scan_file): Make getchar_call const unsigned char.
981 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
983 * cppfiles.c: Include splay-tree.h, not hashtab.h.
984 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
985 (destroy_include_file_node): New.
986 (_cpp_init_include_hash): Rename _cpp_init_include_table.
987 Create a splay tree, not a hash table.
988 (open_include_file): Look up the path in the include table,
989 do the multiple include optimization here, etc.
990 (cpp_included): Walk the path.
991 (find_include_file): Just walk the path calling
992 open_include_file, or call it directly for an absolute path.
993 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
995 (read_include_file): Update for new scheme. Don't close the
996 file unless reading fails.
997 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
999 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1000 (struct include_file): New.
1001 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1003 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1006 * cppinit.c: Include splay-tree.h.
1007 (cpp_reader_init, cpp_cleanup): Update.
1009 * cpplib.h (struct cpp_buffer): Change ihash field to
1010 'struct include_file *inc'. Remove system_header_p.
1011 (struct cpp_reader): Change all_include_files to a
1012 struct splay_tree_s *.
1014 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1015 cpp_buffer->system_header_p.
1016 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1018 * Makefile.in (SPLAY_TREE_H): New macro.
1019 (cppfiles.o, cppinit.o): Update dependencies.
1021 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1023 * invoke.texi (g++): "g++" is not a script anymore.
1025 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1027 * function.c (round_down): Delete obsolete prototype.
1029 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1031 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1033 * configure.in: Use 'test a = b' not 'test a == b'.
1036 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1038 * Makefile.in: Remove all references to HOST_INTLLIBS.
1040 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1043 2000-06-20 Philipp Thomas <pthomas@suse.de>
1045 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1048 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1050 * Take REG_INC notes into account.
1052 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1054 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1055 (primary: IDENTIFIER): Just call build_external_ref.
1056 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1058 * c-lex.c (lastiddecl): Remove.
1059 (yylex): Replace all instances of lastiddecl with local
1062 * c-typeck.c (build_external_ref): New function. Treat decls
1063 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1064 Look up the decl from the id here. Call lookup_objc_ivar.
1065 * c-lang.c (lookup_objc_ivar): Stub.
1066 * objc/objc-act.c (lookup_objc_ivar): New function.
1068 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1069 * c-lex.h: Don't declare lastiddecl.
1071 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1073 * c-common.h (IF_COND): Added documentation.
1074 (THEN_CLAUSE): Likewise.
1075 (ELSE_CLAUSE): Likewise.
1076 (WHILE_COND): Likewise.
1077 (WHILE_BODY): Likewise.
1078 (DO_COND): Likewise.
1079 (DO_BODY): Likewise.
1080 (RETURN_EXPR): Likewise.
1081 (EXPR_STMT_EXPR): Likewise.
1082 (FOR_INIT_STMT): Likewise.
1083 (FOR_COND): Likewise.
1084 (FOR_EXPR): Likewise.
1085 (FOR_BODY): Likewise.
1086 (SWITCH_COND): Likewise.
1087 (SWITCH_BODY): Likewise.
1088 (CASE_LOW): Likewise.
1089 (CASE_HIGH): Likewise.
1090 (GOTO_DESTINATION): Likewise.
1091 (COMPOUND_BODY): Likewise.
1092 (ASM_CV_QUAL): Likewise.
1093 (ASM_STRING): Likewise.
1094 (ASM_OUTPUTS): Likewise.
1095 (ASM_INPUTS): Likewise.
1096 (ASM_CLOBBERS): Likewise.
1097 (DECL_STMT_DECL): Likewise.
1098 (STMT_EXPR_STMT): Likewise.
1099 (LABEL_STMT_LABEL): Likewise.
1101 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
1102 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
1103 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
1104 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1106 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1108 * configure.in (--enable-checking): Update --help doc to reflect
1109 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
1111 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1113 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
1115 * function.c (put_var_into_stack): Don't reference DECL_ fields
1116 if input is a SAVE_EXPR.
1117 Use set_mem_attributes in COMPLEX case.
1119 2000-06-18 Richard Henderson <rth@cygnus.com>
1121 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
1122 (ia64_file_start): Declare.
1123 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
1124 (GR_REGNO_P): Likewise.
1125 * config/ia64/ia64.c: Many prototypes.
1126 (ia64_reg_numbers): Constify.
1127 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
1128 (ia64_section_threshold): Make unsigned.
1129 (ia64_print_operand): Constify.
1130 (fix_range): Constify.
1131 (ia64_init_builtins): Don't compare signed vs unsigned.
1132 (ia64_expand_builtin): Likewise.
1134 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
1135 (CONSTRAINT_OK_FOR_Q): New.
1136 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
1137 (movsf_internal, movdf_internal): Likewise.
1138 (cmovdi_internal): Rewrite so that constraints and predicates match;
1140 (cmovsi_internal): Likewise.
1142 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
1143 (ASM_FILE_START): New.
1144 * config/ia64/ia64.c (ia64_file_start): New.
1145 (rtx_needs_barrier): Handle pred.rel.mutex.
1146 (emit_predicate_relation_info): New.
1147 * config/ia64/ia64.md (pred_rel_mutex): New.
1148 * config/ia64/linux.h (ASM_SPEC): Define.
1149 * config/ia64/sysv4.h (ASM_FILE_START): Define.
1151 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
1152 filtering global register variables.
1154 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
1158 2000-06-17 Michael Meissner <meissner@redhat.com>
1160 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
1161 not present and there is a field after a '-'.
1163 2000-06-17 Bruce Korb <bkorb@gnu.org>
1165 * fixinc/check.tpl: finish the implementation of multiple tests
1167 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
1168 (io_quotes_def): add a second test
1169 (various): reorder `files' so that "limits.h" is never first
1170 * fixinc/tests/base/*: update the testing output
1172 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1174 * gcc.texi: Remove reference to stupid.c.
1176 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
1178 * c-common.c (c_tree_code_type): New array.
1179 (c_tree_code_length): Likewise.
1180 (c_tree_code_name): Likewise.
1181 (add_c_tree_codes): New function.
1183 * c-common.h (add_c_tree_codes): Declare.
1184 (enum c_tree_code): New enum.
1186 * c-lex.c (init_parse): Added call to add_c_tree_codes.
1188 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1190 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
1191 select pattern to also match macro defs with only one argument.
1193 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
1195 * i386.md: Create new [right,left] rotate and right shift
1196 patterns to optimize shift by 1 bit for certain ia32 processors.
1197 Update patterns which perform left shifts to optimize shift by
1198 1 bit for certain ia32 processors.
1199 * i386.c (const_int_1_operand): New predicate.
1200 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
1201 * i386-protos.h (const_int_1_operand): Prototype.
1203 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1205 * mips.c (machine_dependent_reorg): Fix braces for nested if.
1207 2000-06-14 Geoff Keating <geoffk@cygnus.com>
1209 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
1212 2000-06-14 Richard Henderson <rth@cygnus.com>
1214 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
1216 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
1219 * print-rtl.c (print_rtx): Emit space before mem alias set.
1221 2000-06-14 David Edelsohn <edelsohn@gnu.org>
1223 * rs6000.c (expand_block_move): Fix typo in earlier change.
1224 (print_operand): Remove unused variables neg and op.
1225 (toc_hash_mark_entry): Fix prototype.
1227 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
1229 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
1230 (THEN_CLAUSE): Likewise.
1231 (ELSE_CLAUSE): Likewise.
1232 (WHILE_COND): Likewise.
1233 (WHILE_BODY): Likewise.
1234 (DO_COND): Likewise.
1235 (DO_BODY): Likewise.
1236 (RETURN_EXPR): Likewise.
1237 (EXPR_STMT_EXPR): Likewise.
1238 (FOR_INIT_STMT): Likewise.
1239 (FOR_COND): Likewise.
1240 (FOR_EXPR): Likewise.
1241 (FOR_BODY): Likewise.
1242 (SWITCH_COND): Likewise.
1243 (SWITCH_BODY): Likewise.
1244 (CASE_LOW): Likewise.
1245 (CASE_HIGH): Likewise.
1246 (GOTO_DESTINATION): Likewise.
1247 (COMPOUND_BODY): Likewise.
1248 (ASM_CV_QUAL): Likewise.
1249 (ASM_STRING): Likewise.
1250 (ASM_OUTPUTS): Likewise.
1251 (ASM_INPUTS): Likewise.
1252 (ASM_CLOBBERS): Likewise.
1253 (DECL_STMT_DECL): Likewise.
1254 (STMT_EXPR_STMT): Likewise.
1255 (LABEL_STMT_LABEL): Likewise.
1256 (SCOPE_BEGIN_P): Likewise.
1257 (SCOPE_END_P): Likewise.
1258 (SCOPE_STMT_BLOCK): Likewise.
1259 (SCOPE_NULLIFIED_P): Likewise.
1260 (SCOPE_NO_CLEANUPS_P): Likewise.
1261 (SCOPE_PARTIAL_P): Likewise.
1262 (ASM_VOLATILE_P): Likewise.
1263 (STMT_LINENO): Likewise.
1264 (STMT_LINENO_FOR_FN_P): Likewise.
1266 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
1267 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
1268 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
1269 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
1270 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1272 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
1274 2000-06-14 David O'Brien <obrien@FreeBSD.org>
1276 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
1277 writable in parts of the GCC code.
1279 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
1280 specification match cast.
1282 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
1284 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
1285 * configure, config.in: Rebuilt.
1286 * sys-protos.h: Similarly.
1288 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
1290 * ifcvt.c (EDGE_COMPLEX): Move definition ...
1291 * basic-block.h (EDGE_COMPLEX): ... here.
1293 * loop.c (check_dbra_loop): Specify the register when
1294 generating REG_NONNEG notes and don't generate duplicates.
1296 2000-06-13 Jakub Jelinek <jakub@redhat.com>
1298 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
1299 (struct tree_type, struct tree_decl): Add user_align member.
1300 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
1301 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
1302 and DECL_USER_ALIGN 0, cap alignment to this value.
1303 (place_field): Likewise.
1304 (finalize_type_size): Set TYPE_USER_ALIGN.
1305 (layout_type): Likewise.
1306 (initialize_sizetypes): Likewise.
1307 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
1308 DECL_USER_ALIGN to 1.
1309 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
1310 (xfer_tag): Set TYPE_USER_ALIGN.
1311 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1312 (finish_enum): Likewise.
1313 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
1314 (expand_anon_union_decl): Likewise.
1315 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1316 (build_index_type): Set TYPE_USER_ALIGN.
1317 (build_range_type): Likewise.
1318 (build_common_tree_nodes_2): Likewise.
1319 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
1321 2000-06-13 Andreas Jaeger <aj@suse.de>
1323 * configure.in: Use --enable-checking=misc,tree,gc by default if
1324 no --enable-checking option is given and for
1325 --enable-checking=yes.
1326 * configure: Rebuilt.
1328 2000-06-13 Richard Henderson <rth@cygnus.com>
1330 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
1331 (__throw): Don't pass the address of a label.
1333 * config/ia64/ia64.c (ia64_compute_frame_size): Use
1334 current_function_is_leaf.
1335 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
1336 instead of reg_names[RETURN_ADDRESS_REGNUM].
1337 (ia64_init_machine_status): Reset return_address_pointer_rtx.
1338 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
1339 from RETURN_ADDRESS_REGNUM. Update all uses.
1340 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
1341 zero instead of null on failure.
1342 (ELIMINABLE_REGS): Add ra->b0 elimination.
1343 (CAN_ELIMINATE): Update accordingly.
1344 (INITIAL_ELIMINATION_OFFSET): Likewise.
1345 (REGISTER_NAMES): Use an illegal assembler name for
1346 RETURN_ADDRESS_POINTER_REGNUM.
1348 2000-06-13 Richard Henderson <rth@cygnus.com>
1350 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
1351 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
1352 (REG_CLASS_NAMES): Likewise.
1353 (REG_CLASS_CONTENTS): Likewise.
1354 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
1355 (HARD_REGNO_MODE_OK): Remove references to them.
1356 (REGNO_REG_CLASS): Likewise.
1357 (REG_CLASS_FROM_LETTER): Likewise.
1358 (CLASS_MAX_NREGS): Likewise.
1359 (REGISTER_MOVE_COST): Likewise.
1360 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
1361 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
1362 (movqi_internal): Special case moves from zero.
1363 (movhi_internal, movsi_internal): Likewise.
1364 (movdi_internal): Likewise. Fill out "f" constraints.
1365 (movsf_internal): Fill out "r" constraints.
1366 (movdf_internal): Likewise.
1368 2000-06-13 Richard Henderson <rth@cygnus.com>
1370 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
1371 alive before reload.
1373 * haifa-sched.c (struct deps): Add in_post_call_group_p.
1374 (add_dependence): Handle notes between SCHED_GROUP_P insns.
1375 (remove_dependence): Always define.
1376 (set_sched_group_p): New.
1377 (sched_analyze_2): Use it.
1378 (sched_analyze_insn): Don't special-case naked uses. Look for
1379 and extend in_post_call_group_p.
1380 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
1381 (init_deps): Clear in_post_call_group_p.
1383 2000-06-13 Richard Henderson <rth@cygnus.com>
1385 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
1386 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
1387 and hard-coded tests.
1388 (simplify_set): Likewise.
1389 (gen_lowpart_for_combine): Likewise.
1390 * emit-rtl.c (gen_lowpart_common): Likewise.
1391 * global.c (find_reg): Likewise.
1392 * local-alloc.c (find_free_reg): Likewise.
1393 * recog.c (register_operand): Likewise.
1394 * regclass.c (init_reg_sets_1): Likewise.
1395 (record_operand_costs, regclass): Likewise.
1396 * reload.c (push_reload): Likewise.
1397 * reload1.c (choose_reload_regs): Likewise.
1398 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
1399 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
1400 Update all references.
1401 * regs.h (struct reg_info_def): Likewise.
1402 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
1403 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
1404 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
1406 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
1407 (CLASS_CANNOT_CHANGE_MODE_P): New.
1408 * config/mips/mips.h: Likewise.
1409 * config/pa/pa32-regs.h: Likewise.
1410 * config/pa/pa64-regs.h: Likewise.
1411 * config/rs6000/rs6000.h: Likewise.
1412 * config/sh/sh.h: Likewise.
1413 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
1414 (CLASS_CANNOT_CHANGE_MODE_P): New.
1415 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
1416 * config/d30v/d30v.h: Likewise.
1418 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1420 * configure.in: Add AC_TYPE_GETGROUPS test.
1421 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
1422 * configure: Rebuilt.
1423 * config.in: Rebuilt.
1425 2000-06-13 Richard Henderson <rth@cygnus.com>
1427 * explow.c (set_mem_attributes): Do nothing for NULL type.
1429 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
1431 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
1434 2000-06-13 James E. Wilson <wilson@cygnus.com>
1436 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
1438 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
1440 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
1442 2000-06-13 Philipp Thomas <pthomas@suse.de>
1444 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
1445 * configure: Rebuilt.
1447 2000-06-07 David O'Brien <obrien@FreeBSD.org>
1449 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
1450 We now default to ELF for the i386, and a.out is the special case.
1451 * configure: Rebuilt.
1453 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
1455 * final.c (final_scan_insn): Delete notes between cc0 setter and
1456 user when restarting from setter.
1458 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1460 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
1461 cast to squelch signed/unsigned warnings.
1463 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
1465 * cpplib.c (handle_directive): Print non-NUL-terminated string
1468 2000-06-12 Michael Meissner <meissner@redhat.com>
1470 * ifcvt.c (dead_or_predicable): Don't do conditional execution
1471 path if the machine needs extra support to do conditional
1474 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
1476 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
1477 to print the alias set.
1478 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
1480 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1482 * config/float-vax.h: Add GFLOAT defines.
1484 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
1486 * configure.in: Update tm dependencies for MPE.
1487 * configure: Rebuilt.
1489 2000-06-12 H.J. Lu <hjl@gnu.org>
1491 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
1493 2000-06-12 David Edelsohn <edelsohn@gnu.org>
1495 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
1496 (CPP_SPEC): Change mthreads to pthread.
1497 (LIB_SPEC): Likewise.
1498 (STARTFILE_SPEC): Likewise.
1499 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
1500 (CPP_SPEC): Change mthreads to pthread.
1501 (LIB_SPEC): Likewise.
1502 (STARTFILE_SPEC): Likewise.
1503 * rs6000-protos.h (reg_or_arith_cint_operand): New.
1504 * rs6000.c (reg_or_arith_cint_operand): New.
1505 (num_insns_constant_wide): Decorate unsigned constant.
1506 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
1507 * rs6000.md (addsi3): Use new predicate.
1508 (subsi3, adddi3, subdi3): Likewise.
1510 2000-06-12 Mark Mitchell <mark@codesourcery.com>
1512 * c-common.c (lang_get_alias_set): Fix typo.
1514 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
1516 * flow.c (mark_used_regs): Revert last change.
1517 (life_analysis): Remove PROP_AUTOINC if running after reload.
1518 (propagate_one_insn): PROP_AUTOINC is always off after reload.
1520 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
1522 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
1525 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1527 * bb-reorder.c (build_scope_forest): Initialize variable
1530 * calls.c (expand_call): Likewise for variables
1531 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
1533 * i386.c (function_arg_advance, function_arg): Cast to avoid
1534 signed/unsigned warnings.
1536 * i386.h (MEMORY_MOVE_COST): Likewise.
1538 * ifcvt.c (cond_exec_process_if_block): Initialize variables
1539 `else_start' and `else_end'.
1541 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
1543 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
1545 2000-06-10 Mark Mitchell <mark@codesourcery.com>
1547 * Makefile.in (libintl.a): Depend on intl.all.
1549 2000-06-09 H.J. Lu (hjl@gnu.org)
1551 * Makefile.in (c-parse.o): Also depend on output.h.
1553 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
1555 * mcore-protos.h: discards const warning removal.
1556 * mcore.c: discards const warning removal.
1558 2000-06-09 Kazu Hirata <kazu@hxi.com>
1560 * config/h8300/lib1funcs.asm: Declare the machine architecture at
1561 the beginning of the file.
1563 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1565 * real.h: Add prototype for ldexp.
1567 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
1569 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
1570 it ggc_alloc, drop second argument, never clear returned memory.
1571 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
1572 (ggc_alloc_cleared): New.
1573 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
1574 ggc_alloc_obj. Remove ggc_alloc macro.
1575 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
1577 * rtl.c (rtvec_alloc): Clear the vector always.
1578 (rtx_alloc): Clear the first word always. Remove dirty
1579 obstack tricks (this routine is no longer a bottleneck).
1580 * tree.c (make_node): Clear the new node always.
1581 (make_tree_vec): Likewise.
1582 (tree_cons): Clear the common structure always.
1583 (build1): Likewise; also, clear TREE_COMPLEXITY.
1584 * gengenrtl.c: Use puts wherever possible. Remove extra
1586 (gendef): Clear the first word of an RTX in the generator
1587 function, irrespective of ggc_p. Initialize '0' slots to
1589 (genlegend): Don't generate obstack_alloc_rtx routine, just a
1590 thin wrapper macro around obstack_alloc.
1592 * stmt.c (expand_fixup): Use ggc_alloc.
1593 * c-typeck.c (add_pending_init): Use ggc_alloc.
1594 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
1595 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
1596 const0_rtx when it is created.
1597 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
1598 we are not in a function.
1600 * tree.c (tree_class_check_failed): Make second arg an int.
1601 * tree.h: Update prototype.
1603 2000-06-09 Geoff Keating <geoffk@cygnus.com>
1605 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
1606 of an error_mark_node.
1608 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
1610 * config/avr/avr.c (asm_output_section_name): bugfix.
1612 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
1614 * timevar.def: Add TV_EXPAND.
1615 * timevar.c (timevar_print): Update timing information.
1616 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
1618 * stmt.c (expand_return): Check for error_mark_node.
1620 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
1624 * scan-types.sh (VALUE) Wrap use with double quotes to protect
1625 variable against filename expansion when it contains "char *".
1627 * system.h (SSIZE_MAX): Delete backup definition.
1629 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
1630 instead of SSIZE_MAX.
1632 2000-06-09 Jakub Jelinek <jakub@redhat.com>
1634 * configure.in: Check whether gas supports -relax.
1635 * configure, config.in: Rebuilt.
1636 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
1637 (EXTRA_SPECS): Add asm_relax.
1638 (ASM_SPEC): Add %(asm_relax).
1639 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
1640 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
1641 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
1642 (ASM_SPEC): Add %(asm_relax).
1643 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
1644 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
1645 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
1646 instead of mov, so that gas can further optimize it.
1648 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
1650 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
1652 (value_format, case dw_val_class_const): Use sdata format.
1653 (output_die): Call output_sleb128.
1655 2000-06-08 James E. Wilson <wilson@cygnus.com>
1657 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
1658 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
1659 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1660 (output_die, case dw_val_class_unsigned_const): Correct call to
1661 ASM_OUTPUT_DWARF_DATA8.
1662 (output_die, case dw_val_class_long_long): Use
1663 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1664 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
1667 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
1668 (output_function_prologue): Fix mispelling.
1669 (output_function_prologue, output_function_epilogue): Reorder to
1670 match ia64.c definition order.
1671 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
1672 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
1673 Use r3 instead of r2 for large stack restores.
1674 (ia64_output_end_prologue): New function.
1675 (process_set): Emit ".restore sp" for epilogue stack restores.
1676 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
1678 2000-06-08 Jakub Jelinek <jakub@redhat.com>
1680 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
1683 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
1685 * frame.c (end_fde_sort): Remove extraneous erratic array test.
1687 2000-06-08 Denis Perchine <dyp@perchine.com>
1689 * frame.c (start_fde_sort): Don't malloc (0).
1691 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
1693 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
1695 * print-tree.c (print_node): The transparent_union_flag means
1696 different things for unions and arrays. Do not inspect it
1697 with TYPE_TRANSPARENT_UNION.
1699 2000-06-06 Jakub Jelinek <jakub@redhat.com>
1701 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
1704 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
1706 * config/avr/avr.c (asm_output_section_name): output section
1708 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
1710 2000-06-06 James E. Wilson <wilson@cygnus.com>
1712 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
1713 fields into header field.
1714 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
1715 macros to access length, flags, and version info from header field.
1716 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
1717 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
1718 (__do_global_ctors_aux): Fix caller.
1719 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
1720 prologue_flag to header. Pass to read_P_record.
1721 (read_P_record): New argument header. Implement P4 format.
1722 Multiply P7_T_SIZE by 16.
1723 (execute_one_ia64_descriptor): New static local region_header. Pass to
1724 get_unwind_record. Copy r to region_header if r is a header record.
1725 (print_all_records): Likewise.
1726 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
1727 (__get_personality, __get_except_table): Likewise.
1728 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
1730 2000-06-06 Philipp Thomas <pthomas@suse.de>
1732 * configure.in (AC_C_INLINE): Added.
1733 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
1734 * configure: Regenerate.
1736 2000-06-06 Mark Mitchell <mark@codesourcery.com>
1738 * c-common.h (c_language_kind): New type.
1739 (c_language): New variab.e
1740 * c-common.c (lang_get_alias_set): Don't put structures in
1741 non-zero alias sets in C++.
1742 * c-decl.c (c_language): Define it.
1743 * c-lex.c (doing_objc_thang): Remove.
1744 * c-tree.h (doing_objc_thang): Make it a macro.
1745 * objc/objc-act.c (lang_decode_option): Set c_language, not
1748 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1750 * diagnostic.c (output_maximum_width): Remove.
1751 (doing_line_wrapping): Tweak.
1752 (diagnostic_buffer): New object.
1753 (global_output_buffer): New object.
1754 (output_destroy_prefix): New function.
1755 (default_initialize_buffer): Likewise.
1756 (reshape_diagnostic_buffer): Likewise.
1757 (initialize_diagnostics): Likewise.
1758 (output_clear): Tweak.
1759 (line_wrapper_printf): Adjust call to init_output_buffer.
1760 (vline_wrapper_message_with_location): Likewise. Use
1761 output_destroy_prefix.
1762 (v_message_with_decl): Likewise.
1764 * diagnostic.h (struct output_buffer): Constify prefix.
1765 (init_output_buffer, output_get_prefix): Constify.
1766 (diagnostic_message_length_per_line): Likewise.
1767 (reshape_diagnostic_buffer): Declare.
1768 (default_initialize_buffer): Declare.
1769 (initialize_diagnostics): Declare.
1770 (diagnostic_buffer): Declare new obbject.
1772 * toplev.c: #include diagnostic.h
1773 (display_help): Document diagnostic formatting options.
1774 (decode_f_option): Handle diagnostic formatting options.
1775 (main): Setup initialization for diagnostic messages outputter.
1777 * toplev.h (set_message_length): Remove.
1779 * Makefile.in (toplev.o): Depends upon diagnostic.h
1781 * invoke.texi : Document diagnostics formatting options.
1783 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
1785 * configure.in (Make the links): Typo fix : the file that must be
1786 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1787 * configure: File rebuilt.
1789 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
1791 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1792 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
1794 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1795 emergency eh_context buffer, if malloc fails.
1796 (__eh_free): Moved from cp/exception.cc. Release to emergency
1797 eh_context buffer, if appropriate.
1799 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
1801 * expr.c (store_expr): Fix typo.
1803 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1805 * m68k.c (legitimize_pic_address): Move prototype ...
1807 * m68k-protos.h (legitimize_pic_address): ... here.
1809 * m68k.md (legitimize_pic_address): Delete prototypes.
1810 (untyped_call): Invoke GEN_CALL(), not gen_call().
1812 * nextstep.c: Include system.h and toplev.h.
1813 (get_directive_line): Don't prototype.
1814 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1816 * nextstep.h (handle_pragma): Prototype.
1817 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
1818 objc_section_init ...
1819 (EXTRA_SECTION_FUNCTIONS): ... here.
1821 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1823 * sdbout.c (struct sdb_file): NAME now const.
1824 (sdbout_init): input_file_name now const.
1825 (sdbout_start_new_source_file): FILENAME now const.
1826 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1828 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1830 * c-typeck.c (build_conditional_expr): Handle complex data types.
1832 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1834 * explow.c (maybe_set_unchanging): New function, broken out from...
1835 (set_mem_attributes): Here.
1836 * expr.h: Declare it.
1837 * stmt.c (expand_decl): Call it.
1839 2000-06-05 Richard Henderson <rth@cygnus.com>
1841 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1842 while looking for a register to inherit from.
1844 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1846 * Makefile.in (libgcc.ready): Lose.
1847 (libgcc.mk): Just use mv, not move-if-change.
1848 (LIBGCC_DEPS): New macro.
1850 (stmp-multilib): Likewise.
1851 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
1852 it rather than the directories themselves.
1853 (LIB2ADD): Depend on the list file rather than 'force'.
1855 * fold-const.c (fold, case COND_EXPR): Elide conversion between
1856 cv-qualified versions of types.
1858 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1860 * config/sparc/sparc.c (short_branch): Correct error in range
1863 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1865 * fixinc/inclhack.def: New include hacks for ultrix.
1866 * (nested_ultrix): Replaced by ultrix_nested_svc.
1867 * (ultrix_atof_param): test_text string added.
1868 * (ultrix_ifdef): Modified select string.
1870 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
1872 * objc/objc-act.c (generate_method_descriptors): Register
1873 objc_method_prototype_template as a GC root.
1874 (comp_method_with_proto): Register function_type as a GC root.
1875 (comp_proto_with_proto): Replace function_type1 and
1876 function_type2 with a two-element array; register it as a GC root.
1878 (generate_protocols, build_protocol_initializer,
1879 generate_protocol_list, build_category_initializer,
1880 build_shared_structure_initializer): Do not cache cast_type
1883 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1885 * function.c (assign_parms): Add missing argument to set_mem_attributes
1888 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
1890 * tree.h (VOID_TYPE_P): New macro.
1891 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1892 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1893 (get_parm_info): Likewise.
1894 (store_parm_decls): Likewise.
1895 (combine_parm_decls): Likewise.
1896 (finish_function): Likewise.
1897 * c-typeck.c (build_function_call): Likewise.
1898 (build_binary_op): Likewise.
1899 (build_conditional_expr): Likewise.
1900 (internal_build_compound_expr): Likewise.
1901 (convert_for_assignment): Likewise.
1902 * stmt.c (expend_expr_stmt): Likewise.
1903 (warn_if_unused_value): Likewise.
1904 (expand_return): Likewise.
1905 * c-parse.in (primary): Likewise.
1906 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
1907 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1909 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1911 * alias.c (get_alias_set): If compnent is addressable, use alias
1913 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
1914 (grokdeclarator): Likewise.
1915 * c-typeck.c (common_type): Likewise.
1917 2000-06-04 Alex Samuel <samuel@codesourcery.com>
1919 * Makefile.in (OBJS): Remove dyn_string.o
1920 (dyn-string.o): Delete rule.
1921 * dyn-string.c: Delete file
1922 * dyn-string.h: Likewise.
1924 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1926 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
1929 2000-06-03 Geoff Keating <geoffk@cygnus.com>
1931 * alias.c (record_component_aliases): Don't inspect
1932 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
1934 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
1936 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
1937 it with the pattern to do machine dependent work.
1938 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
1939 use it to modify the true/false tests used in conditional
1940 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
1941 defined, invoke them if the conversion to conditional execution
1942 was successful or not.
1944 * tm.texi (IFCVT_MODIFY_TESTS): Document.
1945 (IFCVT_MODIFY_INSN): Ditto.
1946 (IFCVT_MODIFY_FINAL): Ditto.
1947 (IFCVT_MODIFY_CANCEL): Ditto.
1949 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1951 * toplev.c (main): Fix misspellings of possibility and language.
1953 2000-06-03 Richard Henderson <rth@cygnus.com>
1955 * alias.c (record_alias_subset): Initialize has_zero_child in the
1958 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
1960 * arm.md (untyped_call): Use GEN_CALL macro.
1962 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
1964 * Makefile.in: Use $(MAKE) not "make"
1966 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1968 * alias.c (struct alias_set_entry): New field has_zero_child.
1969 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
1970 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
1972 Call record_component_aliases for aggregate types.
1973 (record_alias_subset): Set has_zero_child.
1974 (record_component_aliases, case ARRAY_TYPE): Do nothing if
1975 TYPE_NONALIASES_COMPONENT.
1976 (record_component_aliases, case RECORD_TYPE): Test
1977 DECL_NONADDRESSABLE_P.
1978 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
1979 of TREE_ADDRESSABLE.
1980 * calls.c (initialize_argument_information): Only test
1981 TYPE_TRANSPARENT_UNION for UNION_TYPE.
1982 * function.c (assign_parms): Likewise.
1983 * integrate.c (function_cannot_inline_p): Likewise.
1984 * stor-layout.c (finish_record_layout): Don't call
1985 record_component_aliases.
1986 * tree.h (struct tree_int_cst): Use struct tree_common.
1987 (struct tree_real_cst, struct tree_string): Likewise.
1988 (struct tree_complex, struct tree_identifier): Likewise.
1989 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
1990 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
1991 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
1992 (TYPE_NONALIASES_COMPONENT): New macro.
1993 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
1994 (DECL_NONADDRESSABLE_P): New macro.
1995 (struct tree_decl): Reorder bits for clarity of how many left;
1998 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2000 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2001 * mklibgcc.in (force): New target.
2002 Make LIB2ADD stuff depend on it.
2004 2000-06-02 Richard Henderson <rth@cygnus.com>
2006 * alias.c (lang_get_alias_set): Remove.
2007 (get_alias_set): Call it directly, not indirectly.
2008 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2009 * c-common.h (c_get_alias_set): Don't declare.
2010 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2011 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2013 2000-06-02 Bruce Korb <bkorb@gnu.org>
2015 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2016 (server_setup): define the server's master pid
2017 (close_server): actually do the deed IFF we are the server's master
2019 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2021 * c-common.c (c_get_alias_set): Check whether signed_type did not
2022 return its argument before calling get_alias_set on the result.
2024 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2026 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2028 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2030 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2031 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2032 for TARGET_NOMACSAVE.
2033 (NOMACSAVE_BIT): Define.
2034 (TARGET_NOMACSAVE): Define.
2035 (TARGET_SWITCHES): Add "nomacsave".
2037 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2039 * sh.md (untyped_call): Remove excess parameters
2041 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2043 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2044 match that used before the conversion to c_fix style.
2045 * fixinc/fixincl.x: regenerate
2047 2000-06-01 Stan Cox <scox@cygnus.com>
2049 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2050 macro argument typo.
2052 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2054 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2056 * cpplib.c (parse_include): Remove support for VAX-C
2057 "#include starlet" misfeature.
2059 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2061 * cppfiles.c: conditionally define O_BINARY.
2062 (open_include_file): pass O_BINARY to open().
2064 2000-06-01 Richard Henderson <rth@cygnus.com>
2066 * i960.c (i960_br_predict_opcode): Remove.
2067 (i960_print_operand) [+]: Emit branch prediction hints.
2068 (i960_function_arg): Return early for VOIDmode.
2069 (i960_round_align): Return early for incomplete types.
2070 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2071 * i960.md (all conditional branches): Add "%+".
2073 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2075 * alias.c (get_alias_set): Don't call language-specific routine more
2076 than is needed and clean up code a bit.
2077 * c-common.c (c_get_alias_set): All references whose type
2078 is char get alias set 0, but character types need not.
2079 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2080 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2082 2000-06-01 Bruce Korb <bkorb@gnu.org>
2084 * fixinc/tests/base/...: new base result files
2086 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2088 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2089 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2090 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2093 2000-06-01 Richard Henderson <rth@cygnus.com>
2095 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2097 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2099 2000-05-31 Richard Henderson <rth@cygnus.com>
2101 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
2102 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
2103 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2105 2000-05-31 Richard Henderson <rth@cygnus.com>
2107 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
2108 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
2109 (ia64_print_operand) [+]: ... here. Use current_output_insn.
2110 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2111 * config/ia64/ia64.md (all branch/call patterns): Use %+.
2113 2000-05-31 Richard Henderson <rth@cygnus.com>
2115 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
2117 2000-05-31 Richard Henderson <rth@cygnus.com>
2119 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
2121 (find_if_block): Allow THEN with no outgoing edges.
2122 * flow.c (merge_blocks_nomove): Remove a barrier not following
2125 2000-05-31 Richard Henderson <rth@cygnus.com>
2127 * flow.c (propagate_block): Move initialization of mem_set_list ...
2128 (init_propagate_block_info): ... here. Also track blocks with
2129 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
2131 2000-05-31 Richard Henderson <rth@cygnus.com>
2133 * jump.c (jump_optimize_1): Revert 05-18 change.
2135 2000-05-31 Mark Mitchell <mark@codesourcery.com>
2137 * invoke.texi: Remove documentation for -fguiding-decls.
2139 2000-05-31 Richard Henderson <rth@cygnus.com>
2141 * configure.in: Fix typo last change.
2143 2000-05-31 Philipp Thomas <pthomas@suse.de>
2145 * configure.in (enable-nls): Enable if build == host, i.e. when
2146 not building a canadian cross compiler.
2147 (enable-maintainer-mode): Added for use with i18n.
2148 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
2149 cross section of ALL_LINGUAS and LINGUAS.
2150 * configure: Rebuild.
2152 2000-05-31 Bruce Korb <bkorb@gnu.org>
2154 * fixinc/check.tpl: rework to use test result tree
2155 * fixinc/Makefile.in: change invocation of check script
2156 * fixinc/check.diff: No longer needed
2157 * fixinc/fixincl.x: regenerate
2158 * fixinc/inclhack.def: add new tests
2159 * fixinc/tests/base/arch/i960/archI960.h: New test result
2160 * fixinc/tests/base/curses.h: modified test result
2161 * fixinc/tests/base/stdio.h: ditto
2162 * fixinc/tests/base/time.h: ditto
2163 * fixinc/tests/base/sys/asm.h: ditto
2164 * fixinc/tests/base/sys/stat.h: ditto
2165 * fixinc/tests/base/sys/wait.h: ditto
2167 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
2169 * except.c (clear_function_eh_region): Do not free NULL.
2171 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2173 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
2174 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
2175 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
2176 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
2177 (find_base_decl): New function, from c_find_base_decl in c-common.c.
2178 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
2179 (get_alias_set): Likewise.
2180 Major rework to do more things and allow language-specific code
2181 to just handle special-cases.
2182 (record_alias_subset): Args are HOST_WIDE_INT.
2183 (record_component_alias): Local vars are HOST_WIDE_INT.
2184 Don't handle COMPLEX_EXPR.
2185 (get_varargs_alias_set): Moved from builtins.c.
2186 (get_frame_alias_set): New function.
2187 * builtins.c (expand_builtin_return_address): Use frame alias set.
2188 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
2190 (get_memory_rtx): Rework to use set_mem_attributes.
2191 (get_varargs_alias_set): Deleted from here.
2192 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
2193 (c_find_base_decl): Deleted from here.
2194 (c_get_alias_set): Remove many cases and rework to just handle
2196 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
2197 * c-decl.c (rtl.h, expr.h): Now included.
2198 (init_decl_processing): Call record_component_aliases on array types.
2199 (grokdeclarator): Likewise.
2200 Set TREE_ADDRESSABLE for all fields that are not bitfields.
2201 * c-typeck.c (common_type): Call record_component_aliases for array.
2202 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
2203 Set all save areas to the frame alias set.
2204 * calls.c (initialie_argument_information): Call set_mem_attributes.
2205 (compute_argument_addresses, expand_call): Likewise.
2206 * explow.c (set_mem_attributes): New function.
2207 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
2208 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
2209 LEN and OFFSET now HOST_WIDE_INT.
2210 (clear_by_pieces): Similar changes.
2211 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
2212 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
2213 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
2214 (clear_by_pieces_1): Likewise.
2215 (emit_push_insn): Call set_mem_attributes.
2216 (expand_expr, case INDIRECT_REF): Likewise.
2217 (expand_expr, case VAR_DECL): Call change_address.
2218 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
2220 (get_varargs_alias_set, get_frame_alias_set): New decls.
2221 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
2222 (new_alias_set, set_mem_attributes): Likewse.
2223 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
2224 (assign_stack_temp_for_type): Likewise.
2225 Can split slot even if alias set since can copy.
2226 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
2227 (assign_temp): Use host_integerp and tree_low_cst.
2228 (put_var_into_stack): Properly handle SAVE_EXPR.
2229 (put_addressof_into_stack): Likewise.
2230 (assign_parms): Call set_mem_attributes.
2232 (fix_lexical_address): Put reference to chain into frame alias set.
2233 (expand_function_start): Call set_mem_attributes.
2234 * integrate.c (expand_inline_function): Likewise.
2235 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
2236 * regmove.c (try_apply_stack_adjustment): Likewise.
2237 * reload.c (push_reload, make_memloc): Likewise.
2238 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
2239 * rtl.def (MEM): Update comment.
2240 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
2241 (move_by_pieces): Change length to HOST_WIDE_INT.
2242 (record_base_value, record_alias_subset): Delete from here.
2243 * stmt.c (expand_decl): Call set_mem_attributes.
2244 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
2245 * toplev.c (compile_file): Call init_alias_once earlier.
2246 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
2247 from here: now in alias.c.
2248 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
2249 (struct tree_decl): Likewise.
2250 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
2251 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
2252 (output_constant_def, force_const_mem): Likewise.
2254 * flow.c (propagate_block): If block has no successors, stores to
2255 frame are dead if not used.
2257 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
2259 * stmt (expand_end_case): Reorder conversion sequence for jump
2260 table to avoid extra truncations.
2262 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
2264 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
2265 in the block is more than just a simple conditional branch.
2266 (noce_process_if_block): Similarly.
2268 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
2270 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
2273 2000-05-30 Michael Meissner <meissner@redhat.com>
2275 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
2276 instructions. Treat LO_SUM operations as loading the full integer
2279 2000-05-30 Richard Henderson <rth@cygnus.com>
2281 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
2283 2000-05-30 Richard Henderson <rth@cygnus.com>
2285 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
2287 2000-05-30 Bruce Korb <bkorb@gnu.org>
2289 * fixinc/tests/*: Added expected result files for fixinc's make check
2290 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2292 2000-05-30 Richard Henderson <rth@cygnus.com>
2294 * config/alpha/alpha.md (*setne_internal): Use match_operator
2295 instead of working down from insn.
2297 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2299 * invoke.texi (-Wtraditional): Update WRT function macros.
2301 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
2303 * except.c (free_exception_table): Do not free NULL.
2305 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2307 * cpplib.c (do_if): Don't save and restore only_seen_white here.
2308 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
2311 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
2313 * flow.c (mark_used_reg): If a register is unconditionally live,
2314 remove any conditional death information.
2316 2000-05-29 Richard Henderson <rth@cygnus.com>
2318 * final.c (current_output_insn): New.
2319 (final_scan_insn): Set it.
2320 * output.h: Declare it.
2322 2000-05-29 Richard Henderson <rth@cygnus.com>
2324 * stor-layout.c (finalize_record_size): Fix typo.
2326 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
2329 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2331 * cpplib.h (cpp_reader): Remove if_stack. Change
2332 potential_control_macro to a cpp_hashnode *. Add skipping flag.
2333 * cpphash.h (struct ihash): Change control_macro to a
2334 cpp_hashnode * and shorten name to cmacro.
2335 Add NEVER_REINCLUDE constant.
2337 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
2338 Examine the cmacro node directly, no need to call cpp_defined.
2339 (_cpp_execute_include, read_include_file): Set cmacro to
2340 NEVER_REINCLUDE, not U"".
2341 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
2342 (cpp_get_token): If pfile->skipping is true, discard text and
2343 keep scanning until we hit a directive; don't expand macros.
2345 * cpplib.c (struct if_stack): Remove if_succeeded, add
2346 was_skipping. Change control_macro to a cpp_hashnode * and
2347 shorten name to cmacro. Remove typedef IF_STACK.
2348 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
2349 (conditional_skip, skip_if_group,
2350 consider_directive_while_skipping): Delete.
2351 (push_conditional): New.
2352 (_cpp_handle_directive): Don't process directives other than
2353 conditionals if we are skipping.
2355 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
2356 Update to new scheme.
2357 (validate_else): Skip rest of line here, unconditionally.
2358 (_cpp_unwind_if_stack): The stack is per-buffer. Force
2359 pfile->skipping off.
2361 (all): Remove `scare quotes' from error messages.
2363 2000-05-29 Richard Henderson <rth@cygnus.com>
2365 * function.c (emit_return_into_block): New line_note arg; emit it.
2366 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
2367 for the close brace to accompany HAVE_return. Move all line notes
2368 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
2370 2000-05-29 Richard Henderson <rth@cygnus.com>
2372 * longlong.h [__alpha] (count_leading_zeros): New.
2373 (count_trailing_zeros): New.
2374 (COUNT_LEADING_ZEROS_0): New.
2376 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
2377 (alpha_split_conditional_move): New.
2378 * config/alpha/alpha-protos.h: Prototype them.
2379 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2380 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
2381 * config/alpha/alpha.md: Update ffs cix commentary.
2383 (*nabssf2, *nabsdf2): New.
2384 (*mov[qhsd]icc_internal): Use add_operand.
2385 (if_then_else constant splitters): New.
2386 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
2387 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
2389 2000-05-29 Richard Henderson <rth@cygnus.com>
2391 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
2392 a constant to NEG or NOT when conditions allow.
2394 * combine.c (combine_simplify_rtx): Don't create an if_then_else
2395 unless both args are general_operand. Don't canonicalize plus
2396 to ior unless it helps.
2398 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
2399 instead track register_life_up_to_date. Toggle no_new_pseudos
2402 2000-05-28 Geoff Keating <geoffk@cygnus.com>
2404 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
2405 so output_operand doesn't see them.
2407 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
2409 * lcm.c (make_preds_opaque): Fix comment.
2410 (optimize_mode_switching): Use NORMAL_MODE instead of
2411 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
2412 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
2413 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
2414 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
2415 (MODE_USES_IN_EXIT_BLOCK): Delete.
2416 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
2417 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
2418 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
2419 (MODE_NEEDED): Don't look for USE.
2420 (EPILOGUE_USES): Define.
2422 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
2424 * mklibgcc.in (all): Variable initialised to `libgcc'.
2426 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
2428 * toplev.h (skip_leading_substring): New macro.
2429 * toplev.c (decode_f_option): Use skip_leading_substring instead
2431 (decode_W_option): Likewise.
2433 2000-05-28 Nick Clifton <nickc@cygnus.com>
2435 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
2438 2000-05-28 Richard Henderson <rth@cygnus.com>
2440 * regclass.c (record_operand_costs): Protect reg_changes_size
2441 with CLASS_CANNOT_CHANGE_SIZE.
2443 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2445 2000-05-28 Richard Henderson <rth@cygnus.com>
2447 * function.c (diddle_return_value): A pcc-style struct return
2450 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2452 * cppfiles.c: Read files in, using mmap if possible, then
2453 prescan them separately.
2454 (read_file, read_with_read): New functions.
2455 * cpplex.c: Don't define UCHAR_MAX.
2456 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
2459 * cppinit.c (handle_option): Automatically define __cplusplus,
2460 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
2461 the respective -lang switch.
2463 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
2464 prototype): Move to...
2465 * cpplib.h: ... here. Rename struct hashnode to struct
2466 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
2467 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
2469 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
2471 * config/rs6000/rs6000.md (movsi): Constify 'name'.
2473 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
2474 (class_can_change_size): New variable.
2475 (reg_changes_size): New variable.
2476 (init_reg_sets_1): Initialise class_can_change_size.
2477 (record_operand_costs): Remove subreg_changes_size.
2478 Don't pass it around. Instead update reg_changes_size.
2479 (regclass): Initialise and free reg_changes_size. If a register
2480 changes size, don't preference it to a class that contains
2481 registers that can't change size.
2482 (record_reg_classes): Don't look at subreg_changes_size.
2484 2000-05-27 Richard Henderson <rth@cygnus.com>
2486 * print-rtl.c (reg_names): Remove const.
2487 * regclass.c (reg_names): Likewise.
2488 * regs.h (reg_names): Likewise.
2489 * hard-reg-set.h (reg_names): Likewise.
2491 2000-05-27 Richard Henderson <rth@cygnus.com>
2493 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
2495 2000-05-27 Richard Henderson <rth@cygnus.com>
2497 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
2498 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
2499 (alpha_expand_prologue): Emit prologue_mcount if needed.
2500 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
2501 * config/alpha/alpha.md (prologue_mcount): New.
2502 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
2503 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
2504 * config/alpha/netbsd.h: Likewise.
2506 2000-05-27 Richard Henderson <rth@cygnus.com>
2508 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
2509 change to config/elfos.h.
2511 2000-05-27 Richard Henderson <rth@cygnus.com>
2513 * Makefile.in (resource.o): Depend on except.h.
2514 * except.h (output_exception_table_data): Prototype.
2515 * genconfig.c (gen_peephole2): Prototype.
2516 * genemit.c (main): Include ggc.h.
2517 * genoutput.c: Revert parts of last change: include errors.h
2518 (main): Set progname.
2519 * recog.c: Include hard-reg-set.h before recog.h.
2520 * resource.c: Include except.h.
2522 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
2524 (alpha_write_linkage): Protect with BUFSIZ.
2525 (alpha_need_linkage): Update prototype.
2526 * config/alpha/alpha.c (function_arg): Move VMS code here.
2527 (alpha_links_base): Remove.
2529 (mark_alpha_links_node, mark_alpha_links): New.
2530 (alpha_write_one_linkage): New.
2531 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
2532 (alpha_write_linkage): Use splay_tree_foreach.
2533 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
2534 to get the linkage symbol.
2535 (call_value_vms): Likewise.
2536 * config/alpha/elf.h (output_file_directive): Remove decl.
2537 (ctors_section, dtors_section): Prototype.
2538 (sbss_section, sdata_section): Prototype.
2539 * config/alpha/vms.h (FUNCTION_ARG): Remove.
2540 (readonly_section, link_section, literals_section): Prototype.
2541 (ctors_section, dtors_section): Prototype.
2542 (vms_valid_decl_attribute_p): Remove decl.
2543 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2545 2000-05-27 Geoff Keating <geoffk@cygnus.com>
2547 * reload.c (get_secondary_mem): Don't widen floating-point modes.
2549 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
2550 substituting the REG in a (subreg:X (reg:Y ...)).
2552 2000-05-28 Neil Booth <NeilB@earthling.net>
2554 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
2555 first token of a line BOL. Update EOF code for this.
2556 Remove illegal directive check - it appears in the (not
2557 yet committed) caller.
2558 * cpplib.h (BOL): New flag.
2560 2000-05-28 Neil Booth <NeilB@earthling.net>
2562 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
2563 (_cpp_free_toklist): No comment space to free.
2564 (expand_comment_space): Remove.
2565 (save_comment_space): Place the comment in the current token and
2566 not in a separate comment space.
2567 (_cpp_lex_line): Save comments during plain code and #define
2569 * cpplib.h (struct _cpp_toklist): Remove comment space.
2571 2000-05-28 Neil Booth <NeilB@earthling.net>
2573 * cppexp.c (parse_assertion): Supply extra argument to
2575 * cpplib.c (do_assert, do_unassert): Similarly.
2576 * cpphash.h (_cpp_init_toklist) Update.
2577 (_cpp_expand_token_space): New.
2578 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
2579 * cpplex.c (_cpp_init_toklist): New argument.
2580 (parse_string2): New argument multiline_ok.
2581 (spell_token): Take a const cpp_token *.
2582 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
2583 (SPELL_ macros): Replace with enum.
2584 (expand_token_space): Replace with _cpp_expand_token_space.
2585 Take COUNT argument.
2586 (IS_DIRECTIVE): Update.
2587 (_cpp_lex_line): Update token structure before parsing number.
2588 Don't assume start at beginning of token list.
2589 (save_comment): Use INIT_TOKEN_NAME.
2591 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2593 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
2594 -Wmissing-prototypes.
2595 * configure: Regenerate.
2596 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
2598 * builtins.c, calls.c: Change all instances of gen_call_* or
2599 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
2600 * calls.c (struct_value_size_rtx): Separate definition from
2601 initialization to avoid unused variable warning.
2603 * genflags.c (gen_macro): New function.
2604 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
2605 (gen_nonproto): Delete.
2606 (gen_insn): Put all insns on the same obstack.
2607 (main): Generate prototypes for everything unconditionally.
2609 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
2610 out check for wchar_t.
2611 * acconfig.h: Add template for ssize_t. Remove @TOP@.
2612 * system.h: Add infrastructure for defining missing
2613 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
2614 definitions of UCHAR_MAX and SSIZE_MAX.
2615 * configure: Regenerate.
2616 * config.in: Regenerate.
2618 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
2619 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
2621 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
2622 libgcc2.a, or libgcc1.null.
2624 2000-05-27 Richard Henderson <rth@cygnus.com>
2626 * Makefile.in (recog.o): Don't depend on resource.h.
2627 * recog.c: Don't include resource.h.
2628 (recog_last_allowed_insn): Remove.
2629 (recog_next_insn): Remove.
2630 (struct peep2_insn_data): New.
2631 (peep2_insn_data, peep2_current): New.
2632 (peep2_next_insn): New.
2633 (peep2_regno_dead_p, peep2_reg_dead_p): New.
2634 (peep2_find_free_register): New.
2635 (peephole2_optimize): Track life information by insn as we go.
2636 * recog.h: Update declarations.
2637 * resource.c (find_free_register, reg_dead_p): Remove.
2638 * resource.h: Remove their declarations.
2639 * toplev.c: Include hard-reg-set.h before recog.h.
2641 * genconfig.c (max_insns_per_peep2): New.
2642 (gen_peephole2): New.
2644 * genemit.c (output_peephole2_scratches): Generate calls to
2645 peep2_find_free_register; adjust surrounding code.
2646 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
2647 * genrecog.c (change_state): Don't track last_insn.
2648 (write_action): Write into *_pmatch_len before accepting.
2649 (write_tree): Adjust peephole2_insns and subroutines to match.
2651 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
2653 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
2654 (hard_int_register_operand): New.
2655 * config/alpha/alpha-protos.h: Declare it.
2656 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2657 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
2658 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2660 2000-05-27 Richard Henderson <rth@cygnus.com>
2662 * function.c (thread_prologue_epilogue_insns): Don't move the
2663 line note at the head of the chain. Only force a lineno note
2664 before the end of block 0.
2666 2000-05-27 Richard Henderson <rth@cygnus.com>
2668 * gensupport.c (collect_insn_data): Record the maximum number
2669 of alternatives, not the last seen.
2671 * genoutput.c: Don't include errors.h.
2672 (struct data): Add lineno member.
2674 (scan_operands): Use message_with_line instead of error.
2675 (validate_insn_alternatives): Likewise.
2676 (gen_insn): Accept and store the pattern's line number.
2677 (gen_peephole, gen_expand, gen_split): Likewise.
2678 (main): Don't set progname. Pass line_no to gen_foo.
2680 2000-05-27 Richard Henderson <rth@cygnus.com>
2682 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
2683 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
2684 * config/d30v/d30v.md (attr predicable): New.
2685 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
2686 (andsi3*): Unify into one pattern.
2687 (iorsi3*, xorsi3*): Likewise.
2688 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
2690 (old cond_exec patterns): Remove.
2691 (define_cond_exec): New.
2693 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2695 * tree.h (TREE_CODE_LENGTH): New macro.
2696 * c-common.c (c_find_base_decl): Use it.
2697 * expr.c (safe_from_p): Likewise.
2698 * print-tree.c (print_node): Likewise.
2699 * tree.c (make_node, copy_node, get_identifier): Likewie.
2700 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
2701 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
2702 * fold-const.c (make_range): Likewise.
2703 (fold): Likewise; also use first_rtl_op.
2704 * c-iterate.c (collect_iterators): Use first_rtl_op.
2705 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
2706 Use IS_EXPR_CODE_CLASS.
2707 (preexpand_calls): Likewise.
2708 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
2709 and TREE_CODE_LENGTH.
2710 * stmt.c (warn_if_unused_value): If no operands, no unused value.
2712 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
2714 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
2716 (movdi_internal64): Likewise.
2718 * config/rs6000/rs6000.md: Correct order of operands for DImode
2721 * config/rs6000/rs6000.c (boolean_or_operator): New function.
2722 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
2723 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
2724 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
2725 boolean_operator for the boolean patterns without NOTs.
2727 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
2728 from reg_or_u_cint_operand. Change comment and behaviour.
2729 (logical_operand): Clean up, add assertion.
2730 (non_logical_cint_operand): Also check for
2731 reg_or_logical_cint_operand.
2732 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
2733 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
2739 2000-05-26 Mark Mitchell <mark@codesourcery.com>
2741 * tree.h (struct record_layout_info): Rename to (struct
2742 record_layout_info_s).
2743 * stor-layout.c (start_record_layout): Replace
2744 `record_layout_info' with `record_layout_info_s'.
2746 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2748 * flow.c (find_label_refs): New function.
2749 (find_basic_blocks_1): Call it for each alternative of a call
2752 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2754 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
2757 2000-05-25 Richard Henderson <rth@cygnus.com>
2759 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
2760 so strict about DImode.
2761 (alpha_swapped_comparison_operator): Likewise.
2762 * config/alpha/alpha.md (*setne_internal): Name it. Allow
2763 any integer output mode.
2764 (*setcc_internal): Likewise.
2765 (*setcc_swapped_internal): Likewise.
2766 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
2767 (*mov[qhs]icc_internal): New.
2768 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2770 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2772 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2774 2000-05-25 Richard Henderson <rth@cygnus.com>
2776 * bb-reorder.c (reorder_block_def): Reorder elements for size.
2777 Remove add_jump; add next; replace flags with visited.
2779 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2780 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2781 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2782 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2784 (reorder_index, reorder_last_visited): Remove.
2785 (skip_insns_after_block): Rewrite to use a switch.
2786 (get_common_dest): Remove.
2787 (chain_reorder_blocks): Remove.
2788 (record_effective_endpoints): Split out from reorder_basic_blocks.
2789 (make_reorder_chain): Likewise. Loop until all blocks are placed.
2790 (make_reorder_chain_1): Renamed from old make_reorder_chain.
2791 Only construct the reorder chain, do not move insns. Try harder
2793 (label_for_bb, emit_jump_to_block_after): New.
2794 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
2795 and adjust the jump insns appropriately. Fixup basic_block_info.
2796 (verify_insn_chain): Always define.
2797 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
2799 (make_new_scope): Don't write zeros to calloc'd space.
2800 (build_scope_forest): Rely on xrealloc to DTRT.
2801 (reorder_basic_blocks): Don't build loop nest. Don't fail if
2802 profile_arc_flag. Streamline EH test.
2804 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
2805 * basic-block.h: Declare them.
2807 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
2809 * emit-rtl.c (reset_used_decls): New function.
2810 (unshare_all_rtl_again): Call it.
2812 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
2814 * cpplex.c (maybe_macroexpand): Warn about function-like
2815 macros used in non-function context, if -Wtraditional.
2817 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2819 * recog.c (peephole2_optimize): Use INSN_P.
2821 2000-05-25 Richard Henderson <rth@cygnus.com>
2823 * ifcvt.c (seq_contains_jump): New.
2824 (noce_try_store_flag_constants): Use it to fail conversion.
2825 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2827 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2829 * except.h (can_throw): Declare it.
2830 * except.c (can_throw): Give it external linkage.
2831 * resource.c (find_dead_or_set_registers): Use can_throw.
2833 2000-05-25 Richard Henderson <rth@cygnus.com>
2835 * flow.c (mark_set_1): Don't record conditionally dead memory.
2837 2000-05-25 Jan Hubicka <jh@suse.cz>
2839 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2840 and pc_set at the place of simplejump_p and condjump_p.
2841 * cse.c (record_jump_equiv): Likewise.
2842 * emit-rtl.c (emit): Likewise.
2843 * explow.c (find_next_ref): Likewise.
2844 * flow.c (tidy_fallthru_edge): Likewise.
2845 (init_propagate_block_info): Likewise.
2846 * gcse.c (delete_null_pointer_checks): Likewise.
2847 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
2848 dead_or_predicable): Likewise.
2849 * integrate.c (copy_insn_list): Likewise.
2850 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2851 for_each_insn_in_loop, check_dbra_loop, get_condition,
2852 insert_bct, load_mems): Likewise.
2853 * resource.c (find_dead_or_set_registers): Likewise.
2854 * sibcalls.c (simplejump_p): Likewise.
2855 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2857 2000-05-25 David Edelsohn <edelsohn@gnu.org>
2859 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2860 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
2862 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2863 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2864 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2865 * rs6000.md: Name various internal patterns.
2867 2000-05-25 Jan Hubicka <jh@suse.cz>
2869 * jump.c (invert_exp_1): Remove first argument, use pc_set
2870 to get the expression.
2871 (redirect_exp): Make static; redirect only the pc_set expression,
2872 remove first argument.
2873 (invert_exp): Remove first argument, make static.
2874 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
2875 any_onlyjump at most places where we originaly did condjump_p
2877 (jump_back_p, follow_jumps, thread_jumps): Likewise.
2878 (delete_barrier_succesors): Use pc_set.
2879 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2880 calls of invert_exp and redirect_exp.
2881 * rtl.h (redirect_exp, invert_exp): Remove.
2882 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2884 2000-05-25 Richard Henderson <rth@cygnus.com>
2886 * stmt.c (expand_end_bindings): Fix thinko last change.
2888 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
2889 Andrew Haley <aph@cygnus.com>
2891 * except.c (func_eh_entry): Add emitted field.
2892 (new_eh_region_entry): Set emitted field to 0;
2893 (output_exception_table_entry): Only emit previously un-emitted data,
2894 and send it to the eh_data section.
2895 (output_exception_table): Break out common parts. Output
2896 exception table for entire compilation unit to eh_data section.
2897 (output_exception_table_data): Common parts of output_exception_table.
2898 Send output to eh_data section.
2899 (output_function_exception_table): Output exception table data for
2900 a single function to eh_data section.
2901 (free_exception_table): New external to free the table.
2902 * except.h (free_exception_table): Add prototype.
2903 (output_function_exception_table): Add prototype.
2904 * final.c (final_end_function): Output function exception table
2905 for IA64_UNWIND_INFO.
2906 (final_scan_insn): Emit any unwind directives for an insn.
2908 * frame-dwarf2.c: New file containing all DWARF 2 specific code
2910 * frame.c: Remove all DWARF 2 specific code.
2911 * config/ia64/frame-ia64.c: New file.
2912 (gthread_stuff): Make all gthread available with
2914 (dwarf_fde): Define an IA64 struct for dwarf_fde.
2915 (__register_frame_info, __register_frame): Move to common area of file.
2916 (__register_frame_info_table, __register_frame_table): Move to common i
2918 (__deregister_frame_info, __deregister_frame): Move to common area.
2919 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
2920 (read_uleb128): New version for ia64.
2921 (get_unwind_record): Read the next IA-64 unwind record.
2922 (read_R_record): Read a region header record.
2923 (process_a_b_reg_code): X record helper.
2924 (read_X_record): Read an X format record.
2925 (read_B_record): Read a B format record.
2926 (P3_record_types): List of record types matching the P3 format.
2927 (P7_record_types): List of record types matching the P7 format.
2928 (P8_record_types): List of record types matching the P8 format.
2929 (read_P_record): Read a P format record.
2930 (init_ia64_reg_loc): Set default fields for a register.
2931 (init_ia64_unwind_frame): Set defaults for all register records.
2932 (execute_one_ia64_descriptor): Execute one descriptor record.
2933 (rse_address_add): Calculate the position of a local reg in memory.
2934 (normalize_reg_loc): Turn a location descriptor into a memory address.
2935 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
2936 within a specified PC offset range.
2937 (get_real_reg_value): Given a register location, retrieve its value.
2938 (set_real_reg_value): Change the value of a register location.
2939 (copy_reg_value): Copy reg values, if needed.
2940 (copy_saved_reg_state): Copy all registers that need to be copied.
2941 (process_state_between): Normalize all frame register records that
2942 fall within the specified PC range.
2943 (frame_translate): Take a processed frame description, and turn
2944 everything into addresses.
2945 (build_ia64_frame_state ): Find and create frame state record for a PC.
2946 (get_personality): Get the personality routine for a given frame.
2947 (get_except_table): Get the exception table for a given frame.
2948 (record_name): Unwind record names for debugging.
2949 (print_record): Print and unwind record.
2950 (print_all_records): Print an entire unwind image.
2951 (__ia64_backtrace): Print a backtrace.
2952 (ia64_backtrace_helper): New function.
2953 (__register_frame_info_aux): New function.
2954 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
2956 * frame.h (enum unw_record_type): New unwind record types.
2957 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
2958 (struct unw_r_record, unwind_record): New unwind record structs.
2959 (struct unwind_info_ptr): Unwind information layout.
2960 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
2962 (struct ia64_reg_loc): Register location description.
2963 (struct ia64_frame_state): Location of all registers in a frame.
2964 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
2965 * libgcc2.c (__ia64_personality_v1): Personality routine.
2966 (__calc_caller_bsp): Calculate the bsp register for the caller's
2968 (ia64_throw_helper): Figure out who to return to and set up the
2970 (__throw): Throw routine.
2972 * output.h (assemble_eh_align, assemble_eh_label): New functions
2973 to generate EH info where we want it.
2974 (assemble_eh_integer): New function.
2975 * toplev.c (compile_file): Output module level exception table for
2977 (main): Set exceptions_via_longjump and flag_new_exceptions based
2978 on IA64_UNWIND_INFO too.
2980 * varasm.c (assemble_eh_label): Generate a label via
2981 ASM_OUTPUT_EH_LABEL if it has been specified.
2982 (assemble_eh_align): Generate an alignment directive via
2983 ASM_OUTPUT_EH_ALIGN if it has been specified.
2984 (assemble_eh_label): Generate an integer value via
2985 ASM_OUTPUT_EH_type if they have been specified.
2986 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
2987 (ia64_init_builtins): Add __builtin_ia64_bsp
2988 and __builtin_ia64_flushrs.
2989 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
2990 IA64_BUILTIN_FLUSHRS.
2991 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
2992 IA64_BUILTIN_FLUSHRS.
2994 * config/ia64/ia64.md (flushrs): New insn to flush the register
2995 stack. Add to unspec list.
2997 * config/ia64/crtbegin.asm (frame_object): Change size.
2998 (__do_frame_setup_aux): New function.
2999 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3000 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3001 * Makefile.in (LIB2ADDEH): Add.
3002 (LIB2ADD): Use LIB2ADDEH.
3004 2000-05-24 Richard Henderson <rth@cygnus.com>
3006 * recog.c (offsettable_address_p): If mode size is zero, assume
3009 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3011 * configure.in: Check for -Wno-long-long option support and improve
3012 handling of warning CFLAGS for stages 1 and 2.
3013 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3014 * configure: Regenerate.
3016 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3018 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3019 * contrib.texi: New file.
3021 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3023 * loop.c (basic_induction_var): Avoid double recording of an increment.
3025 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3027 * Back out this patch:
3028 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3029 * loop.h (struct induction): Add multi_insn_incr.
3030 * loop.c (basic_induction_var): New multi_insn_incr argument.
3031 Set it if we search back through previous insns for the biv.
3032 (record_biv): New multi_insn_incr argument; fill in struct induction.
3033 (strength_reduce): Discard an iv with multiple bivs, any of
3034 which require multiple insns to increment.
3036 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3038 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3040 * rtl.h (loc_mentioned_in_p): Declare.
3041 * reload.c (loc_mentioned_in_p): Moved from here...
3042 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3043 Fix loop increment for 'E' handling.
3044 * loop.c (strength_reduce): When doing biv->giv conversion,
3045 take multi-insn biv increments into account.
3047 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3049 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3052 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3054 * calls.c (expand_call): Handle cleanups in tail-recursion
3055 arguments analagously to cleanups in sibling calls.
3057 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3059 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3060 All callers changed.
3062 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3064 * expr.c (expand_assignment, store_expr, expand_expr,
3065 expand_expr_unaligned): Set in_check_memory_usage while emitting
3066 chkr_check_addr libcall.
3068 2000-05-24 Nick Clifton <nickc@cygnus.com>
3070 * fold-const.c (extract_muldiv): When constructing a
3071 multiplier/divisor, do not expect const_binop to correctly
3072 determine if overflow has occured, so check explicitly.
3074 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3076 * c-decl.c (build_enumerator): Don't modify the value's type,
3079 2000-05-24 Andreas Jaeger <aj@suse.de>
3081 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3083 2000-05-24 Eric Christopher <echristo@cygnus.com>
3085 * configure.in: Redefine inhibit_libc conditions.
3086 * libgcc2.c: Remove inhibit_libc conditional define.
3087 * configure: Regenerate.
3089 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3091 * configure.in: For --enable-languages=LIST, check for empty LIST.
3092 * configure: Regenerate.
3094 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3096 * pdp11.h (STACK_BOUNDARY): Define.
3098 2000-05-24 Jakub Jelinek <jakub@redhat.com>
3100 * ifcvt.c (if_convert): Update life info globally.
3102 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3104 * emit-rtl.c (unshare_all_decls): New function.
3105 (unshare_all_rtl): Call it.
3107 2000-05-23 Nick Clifton <nickc@cygnus.com>
3109 * configure.in: Treat 'strongarm' as if it were 'arm' when
3110 determining cpu type.
3112 * configure: Regenerate.
3114 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
3115 where constant strings are involved.
3117 * config/arm/arm.h (arm_condition_codes): Change type to 'const
3120 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
3121 cases where constant strings are involved.
3123 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
3125 * config/sh/sh.c (gen_far_branch, split_branches): Update
3126 to reflect new prototypes for redirect_jump and invert_jump.
3127 (sh_insn_length_adjustment): Get rid of const warnings.
3129 2000-05-23 Kazu Hirata <kazu@hxi.com>
3131 * invoke.texi (Options for Debugging Your Program or GCC): Update
3132 the names of dump files.
3134 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
3136 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
3137 * configure: Regenerated.
3139 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3141 * simplify-rtx.c (SIGN_EXTEND): New macro.
3142 (simplify_unary_operation, simplify_binary_operation,
3143 simplify_relational_operation): Use SIGN_EXTEND. Make low
3144 halves of (low, high) pairs unsigned if they weren't already.
3145 (simplify_ternary_operation): Cast INTVAL to unsigned before
3146 comparing to a MODE_BITSIZE.
3148 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3150 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
3151 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
3153 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
3154 gcc_AC_NEED_DECLARATIONS.
3156 * dwarfout.c: Don't prototype time().
3158 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
3160 * system.h: Likewise.
3162 * toplev.c: Likewise.
3164 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3166 * c-decl.c (pushdecl): Invert sense of test for non-global types.
3168 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3170 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
3172 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
3174 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
3176 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3178 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
3179 (alpha_start_function): Never write ..ng label if VMS or NT.
3180 (alpha_align_insns): Remove GP_IN_USE arg.
3181 Alignment now unsigned.
3182 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
3183 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
3184 and two define_insn's.
3186 2000-05-22 Richard Henderson <rth@cygnus.com>
3188 * combine.c (simplify_comparison): Use trunc_int_for_mode.
3190 2000-05-22 Richard Henderson <rth@cygnus.com>
3192 * stor-layout.c (place_field): Change rli->size to rli->offset.
3194 2000-05-22 Richard Henderson <rth@cygnus.com>
3196 * function.c (thread_prologue_and_epilogue_insns): Make sure
3197 existing line number notes appear after the prologue.
3199 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3201 * config/alpha/alpha.c (alpha_fnname): New static variable.
3202 (print_operand, case '~'): New case.
3203 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
3204 (alpha_start_function): Set alpha_fnname.
3205 Write "ng" label if no ldgp; don't write ldgp insn.
3206 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
3207 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
3209 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
3211 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
3214 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
3216 * varasm.c (eh_frame_section): Revert change to argument list.
3218 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3220 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
3221 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
3223 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
3224 dangling "else" that causes "break" to be conditional.
3225 Also remove unneeded code at start.
3227 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
3229 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
3230 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
3231 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
3233 2000-05-22 Jakub Jelinek <jakub@redhat.com>
3235 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
3238 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3240 * alias.c (record_component_aliases): New function.
3241 * tree.h: Clean up some declarations and comments.
3242 (record_component_aliases): New declaration.
3243 * tree.c (get_alias_set): If type and has alias set, use it.
3245 2000-05-22 Richard Henderson <rth@cygnus.com>
3247 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
3248 IF_THEN_ELSE to a setcc form.
3249 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
3251 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3253 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
3254 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
3256 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3258 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
3261 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3263 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
3264 * config/mn10300/mn10300.c (print_operand): Likewise.
3266 * final.c (split_double): Right shift of negative values is not
3269 * ifcvt.c (if_convert): Scan and kill dead code.
3271 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
3273 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
3275 * diagnostic.c: Eliminate implicit int.
3276 * except.c, gcc.c: Add static prototypes.
3277 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
3278 * gensupport.c (process_rtx): Use XVEC to initialize vector
3281 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
3282 debug_reg_names instead of static reg_names. If not, define
3284 * regclass.c: Don't define global reg_names unless
3285 DEBUG_REGISTER_NAMES is defined.
3287 * reload1.c (order_regs_for_reload): Remove unused variable.
3288 * varasm.c: Include output.h after defaults.h. Define
3289 eh_frame_section as function of no args, not of unspecified args.
3291 * gcc.c: Constify argbuf; arguments to store_arg,
3292 process_command, main; elements of struct command and struct
3293 switchstr; local variables in execute, process_command, main.
3295 2000-05-20 Bruce Korb <bkorb@gnu.org>
3297 * fixinc/inclhack.def: many applications of c_fix=format + tests
3298 * fixinc/check.diff: regenerated
3299 * fixinc/fixincl.x: regenerated
3301 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3303 * alias.c: Clarify some comments.
3304 (record_base_value): REGNO is unsigned.
3305 * rtl.h (record_base_value): Likewise.
3307 * alias.c (aliases_everything_p): Don't special-case QImode here.
3308 * c-common.c (c_get_alias_set): Do it here.
3309 Handle BIT_FIELD_REF by getting alias info for arg.
3312 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3314 * mklibgcc.in: Restore rule to create ${dir}.
3316 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
3318 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
3319 GCC_FOR_TARGET used by MULTILIBS.
3320 * mklibgcc.in: Make sure each .o file depends on the
3321 directory it will be in.
3322 Make the multilib directory depends libgcc.
3324 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
3326 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
3328 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
3330 * fold-const.c (make_range): Handle degenerated intervals.
3331 Fixes c-torture/execute/991221-1.c
3333 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3335 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
3336 * reload.c (find_equiv_reg): Likewise.
3337 * alias.c (init_alias_analysis): Likewise.
3338 Only call prologue_epilogue_contains on insns.
3339 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
3340 * bb-reorder.c (hard-reg-set.h): Include earlier.
3341 * haifa-sched.c (hard-reg-set.h): Likewise.
3342 * ifcvt.c (hard-reg-set.h): Likewise.
3343 * local-alloc.c (hard-reg-set.h): Likewise.
3344 * loop.c (hard-reg-set.h): Likewise.
3345 * predict.c (hard-reg-set.h): Likewise.
3346 * regrename.c (hard-reg-set.h): Likewise.
3347 * flow.c (hard-reg-set.h): Likewise.
3348 (reg_set_to_hard_reg_set): New function.
3349 * bitmap.c (regs.h, basic-block.h): No longer include.
3350 (bitmap.h): Now include.
3351 * conflict.c (hard-reg-set.h): Include.
3352 * profile.c (hard-reg-set.h): Likewise.
3353 * print-rtl.c (hard-reg-set.h): Likewise.
3354 * sbitmap.c (hard-reg-set.h): Likewise.
3355 * toplev.c (hard-reg-set.h): Likewise.
3356 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
3357 * hard-reg-set.h (reg_names): Now constant.
3358 * regs.h (reg_names): Likewise.
3359 * regclass.c (reg_names): Likewise.
3360 * loop.h (basic-block.h): No longer include.
3361 (bitmap.h): Now include.
3362 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
3363 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
3364 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
3366 2000-05-19 Jan Hubicka <jh@suse.cz>
3367 Richard Henderson <rth@cygnus.com>
3369 * basic-block.h (struct edge_def): New field "count".
3370 (struct basic_block_def): Likewise.
3371 * flow.c (entry_exit_blocks): Add count fileds.
3372 (split_edge): Keep count information up-to-date.
3373 (dump_edge_info, dump_flow_info): Dump count fields.
3375 * final.c (count_instrumented_edges): Rename to edge from arc.
3376 (end_final): Update users.
3377 * profile.c: Include expr.h, basic-block.h.
3378 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
3379 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
3380 (ignore_next_note, return_label_execution_count): Kill.
3381 (bbg_file_name, da_file_name): Kill.
3382 (edge_info, bb_info): New structures.
3383 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
3384 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
3385 (total_num_edges_instrumented): Likewise.
3386 (init_arc, expand_spanning_tree): Kill.
3387 (fill_spanning_tree, tablejump_entry_p): Kill.
3388 (instrument_edges): Rewrite from instrument_arcs to use
3389 commit_edge_insertions infrastructure.
3390 (compute_branch_probabilities): Remove arguments; rewrite for
3391 CFG infrastructure; use rtl_dump_file directly.
3392 (branch_prob, find_spanning_tree): Likewise.
3393 (union_groups, find_group): New.
3394 (init_branch_prob): Make bbg_file_name and da_file_name local.
3395 (end_branch_prob): Use rtl_dump_file directly.
3396 (init_edge_profiler): Rename to edge from arc.
3397 (output_arc_profiler): Kill.
3398 (gen_edge_profiler): New.
3399 (output_func_start_profiler): Turn off profiling. Make the
3400 constructor static when we can.
3401 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
3403 * toplev.c (DFI_flow): Remove.
3404 (DFI_cfg, DFI_life): New.
3405 (dump_file): Update accordingly.
3406 (compile_file): Call end_branch_prob if profile_arc_flag too.
3407 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
3408 profiling after the CFG is built. Move flow1 life analysis to
3409 DFI_life. Always estimate remaining probabilities.
3411 2000-05-19 Richard Henderson <rth@cygnus.com>
3413 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
3415 * flow.c (make_edges): The sibling call edge to exit is abnormal.
3417 2000-05-19 Richard Henderson <rth@cygnus.com>
3419 * jump.c (redirect_jump): Add delete_unused argument. Don't
3420 remove labels and code following when LABEL_NUSES goes to zero.
3421 (invert_jump): Likewise.
3422 (jump_optimize_1): Fix redirect/invert arguments.
3423 (do_cross_jump, thread_jumps): Likewise.
3424 * flow.c (split_edge): Likewise.
3425 * reorg.c (optimize_skip): Likewise.
3426 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
3427 * profile.c (instrument_arcs): Likewise.
3428 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
3429 * rtl.h: Update prototypes.
3431 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
3433 * ssa.c (convert_from_ssa): Tell life_analysis we need death
3435 (make_regs_equivalent_over_bad_edges): Only look at abnormal
3438 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
3440 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
3441 past l1 when deleting whitespace and markers.
3443 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
3444 * cpplib.c (do_unassert): Put the list to compare against on
3447 2000-05-19 Bruce Korb <bkorb@gnu.org>
3449 * fixinc/README: cleaned up old documentation
3450 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
3451 * fixinc/check.tpl: compute the list of needed directories
3452 emit "#if defined(name)" because of conflict
3453 omit machine name differences from output differences
3454 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
3455 (machine_name): change test text to use `sed' markers
3456 * fixinc/fixincl.x: regen
3458 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3460 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
3463 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3465 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
3466 it to match the current practice.
3468 2000-05-18 Mark Mitchell <mark@codesourcery.com>
3470 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
3472 2000-05-18 Richard Henderson <rth@cygnus.com>
3474 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
3475 * rtl.h (insn_dependant_p): Declare it.
3476 * loop.c (strength_reduce): Use it.
3478 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
3480 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
3481 16-bit and 64-bit clean-up.
3483 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
3485 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
3486 * configure: Rebuilt.
3488 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3490 * genopinit.c: Use $ for escape sequences in optab patterns.
3491 Remove backslashes from optab patterns. Change $A, $B, $C to
3492 expand to (int) whatever instead of just whatever; remove
3493 explicit (int) from all optab patterns.
3495 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
3496 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
3497 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
3498 genrecog.c: Remove private copies of xmalloc, xrealloc, and
3501 2000-05-18 Richard Henderson <rth@cygnus.com>
3503 * jump.c (jump_optimize_1): Base minimum insn count during
3504 find_cross_jump on BRANCH_COST.
3506 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3508 * print-rtl.c (print_rtx): Only print note line number as string
3509 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
3510 * final.c (final_scan_insn): Do nothing for note line number 0.
3512 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3514 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
3515 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
3516 NOTE_INSN_DELETED_LABEL.
3518 2000-05-18 Nick Clifton <nickc@cygnus.com>
3520 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
3521 uninitialised data in .rodata not .bss, and do not interpret an
3522 error in the initialisation value as meaning that the variable
3523 should be placed in the .bss section.
3525 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
3527 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
3528 not `$ac_cv_prog_cc_cc_c_o'.
3529 * configure: Regenerated.
3531 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3532 Richard Henderson <rth@cygnus.com>
3534 * c-common.h (enum c_tree_index): Add g77 type entries.
3535 (g77_integer_type_node, g77_uinteger_type_node): New.
3536 (g77_longint_type_node, g77_ulongint_type_node): New.
3537 * c-decl.c (init_decl_processing): Initialize them.
3539 2000-05-18 Richard Henderson <rth@cygnus.com>
3541 * config/h8300/h8300.md (subs patterns): Use %G to negate.
3543 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
3544 (small_power_of_two): Likewise; use exact_log2.
3545 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
3546 (output_adds_subs): Remove.
3547 (two_insn_adds_subs_operand): New.
3548 (split_adds_subs): New.
3549 * config/h8300/h8300-protos.h: Update.
3550 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
3551 (CONST_OK_FOR_L): Match strict adds operands.
3552 (CONST_OK_FOR_N): Match struct subs operands.
3553 * config/h8300/h8300.md (adds_subs insns): Remove.
3554 (addhi patterns): Output adds/subs directly.
3555 (addsi_h8300h): Likewise.
3556 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
3558 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3560 * cppexp.c (parse_assertion): New.
3561 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
3562 (_cpp_parse_expr): Remove case '#'. Don't set
3563 parsing_if_directive.
3564 * cpphash.c (collect_objlike_expansion,
3565 collect_funlike_expansion, collect_params,
3566 _cpp_create_definition): The list no longer has a trailing
3568 * cpphash.h (enum node_type): Add T_ASSERTION.
3569 (struct hashnode): Remove aschain, add pred.
3570 (struct predicate): New.
3573 * cpplex.c (expand_token_space): Handle both offset and
3575 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
3576 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
3577 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
3578 _cpp_equiv_toklists): New.
3579 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
3580 stop at any single-character token, not just newline.
3581 (_cpp_lex_token): Remove special cases for #define and #if.
3582 (cpp_get_token): Expect # as a separate token type. Remove
3584 (_cpp_get_directive_token): Remove DIRECTIVE case.
3585 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
3587 * cpplib.c (_cpp_check_directive): Set dirno and
3588 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
3589 (_cpp_handle_directive): Run # <number> through the same logic
3590 as normal directives.
3591 (do_define): Don't set parsing_define_directive. Use
3592 _cpp_scan_until. The list does not have a VSPACE at the end.
3593 (do_if): Save, clear, and restore only_seen_white around
3595 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
3596 (do_assert, do_unassert): Rewrite.
3598 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
3599 (LIST_OFFSET): New flag.
3600 (struct cpp_toklist): Replace dir_handler and dir_flags with
3602 (struct cpp_reader): Remove parsing_if_directive and
3603 parsing_define_directive.
3605 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3607 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
3608 following the cabs decl which terminate on the following line.
3609 Add the corresponding test_text case.
3611 2000-05-18 Neil Booth <NeilB@earthling.net>
3613 * cppinit.c (cpp_reader_init): Initialise col_adjust and
3614 default tab stop size.
3615 (no_num, OPT_ftabstop): New.
3616 (handle_option): Handle "ftabstop=" command-line option.
3617 (print_help): Document it.
3618 * cpplex.c (COLUMN): Remove.
3619 (handle_newline): Reset col_adjust.
3620 (skip_whitespace): Update col_adjust as tabs encountered.
3621 (_cpp_lex_line): Update to use col_adjust. Call
3622 skip_whitespace for all whitespace.
3623 * cpplib.h (struct cpp_options): New member tabstop.
3624 (struct cpp_reader): New member col_adjust.
3625 (CPP_BUF_COL): Update.
3626 (CPP_BUF_COLUMN): New.
3627 * cpp.texi: Document "-ftabstop=" command line option.
3629 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
3631 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
3633 * configure: Rebuilt.
3635 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
3637 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
3639 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
3640 HOST_BITS_PER_WIDE_INT is >= 64.
3642 2000-05-17 Richard Henderson <rth@cygnus.com>
3644 * jump.c (jump_optimize_1): Remove inactive but real insns
3645 in jump-to-next-insn optimization.
3647 2000-05-17 Richard Henderson <rth@cygnus.com>
3649 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
3650 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
3651 Don't call recompute_reg_usage if no_new_pseudos is true.
3652 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
3653 Return true if we did work; update global life information.
3654 * basic-block.h (optimize_mode_switching): Update decl.
3656 2000-05-17 Neil Booth <neilb@earthling.net>
3658 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
3660 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
3662 * cpplib.c: New feature, #pragma system_header.
3663 * cpp.texi: Document special treatment of system headers, and
3664 the various mechanisms to get a header that special treatment.
3666 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3668 * system.h (offsetof): Define at the very end, to ensure we prefer
3669 the platform's definition if available.
3671 2000-05-16 Bruce Korb <bkorb@gnu.org>
3673 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
3674 * fixinc/server.c: likewise
3675 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
3676 + #ifdef debugging code + use #def constant for
3678 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
3679 on C++ math namespace
3681 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3683 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
3684 Don't check the return value of sprintf. Use asprintf to avoid
3687 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
3689 * flags.h (warn_unused_function, warn_unused_label,
3690 warn_unused_parameter, warn_unused_variable, warn_unused_value):
3691 Replace ``warn_unused''.
3692 (set_Wunused): Add declaration.
3693 * toplev.c (set_Wunused): New function.
3694 (warn_unused_function, warn_unused_label, warn_unused_parameter,
3695 warn_unused_variable, warn_unused_value): New variables.
3696 (W_options): Add -Wunused-function, -Wunused-function,
3697 -Wunused-label, -Wunused-parameter, -Wunused-variable and
3698 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
3700 * toplev.c (decode_W_option): Update -Wunused flags by calling
3702 * c-decl.c (c_decode_option): Ditto for -Wall.
3704 * stmt.c (expand_expr_stmt, expand_expr_stmt,
3705 warn_about_unused_variables): Replace warn_unused with more
3706 explicit warn_unused_value et.al.
3707 * function.c (expand_function_end): Ditto.
3708 * c-typeck.c (internal_build_compound_expr,
3709 internal_build_compound_expr): Ditto.
3710 * c-decl.c (poplevel, pop_label_level): Ditto.
3711 * toplev.c (check_global_declarations): Replace warn_unused with
3712 check for either warn_unused_function or warn_unused_variable.
3714 * gcc.1, invoke.texi (Warning Options): Document
3715 -Wunused-function, -Wunused-function, -Wunused-label,
3716 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
3718 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
3720 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
3721 $(srcdir), not in the current directory.
3723 2000-05-16 Richard Henderson <rth@cygnus.com>
3725 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
3726 assembler supports it.
3727 (.fini, .init): Use a gp-relative indirect call.
3728 (__do_global_dtors_aux): Preserve the gp; rebundle.
3729 (__do_frame_setup): Likewise.
3730 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
3731 (.init): Use a gp-relative indirect call.
3732 (__do_global_ctors_aux): Preserve the gp.
3734 2000-05-16 Richard Henderson <rth@cygnus.com>
3736 * flow.c (commit_one_edge_insertion): Be prepared for a return
3737 insn to be inserted on the edge with a normal jump.
3738 * jump.c (jump_optimize_1): Don't look to create return isns.
3740 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
3741 * jump.c (jump_optimize_1): Likewise.
3742 (returnjump_p): Verify the argument is a JUMP_INSN.
3743 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
3745 2000-05-16 Nick Clifton <nickc@cygnus.com>
3747 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
3748 GET_RTX_CLASS (GET_CODE ()) == 'i'.
3749 (large_insn_p): Ditto.
3750 (m32r_is_insn): New function: Return true if the insn contains
3751 an executable instruction.
3752 (m32r_adjust_insn): Use m32r_is_insn.
3753 (m32r_sched_reorder): Use m32r_is_insn.
3754 (m32r_sched_variable_issue): Use m32r_is_insn.
3756 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3758 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
3761 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
3763 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
3764 according to given options.
3766 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
3768 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
3769 if X has VOIDmode either.
3770 (LIMIT_RELOAD_CLASS): Similarly.
3772 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
3773 not "general_operand" to match the processor's capabilities.
3775 2000-05-16 Bruce Korb <bkorb@gnu.org>
3777 * fixinc/README: corrected return address
3778 * fixinc/check.diff: regenerate, now that test works
3779 * fixinc/fixfixes.c(format_fix,format_write): reformatted
3780 (char_macro_def_fix,char_macro_use_fix): corrected and
3781 rewrote to use regex to parse the text
3782 * fixinc/inclhack.def: more testing
3783 * fixinc/fixincl.x: regenerated
3785 * fixinc/inclhack.def: added several "test_text" attributes
3786 changed several fixes to use `c_fix = format'
3787 re-alphabetized the fixes
3789 * fixinc/check.diff: regenerate
3790 * fixinc/fixincl.x: regenerate
3791 * fixinc/check.tpl: added `sparc' and `netinet' to the list
3795 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
3797 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3799 2000-05-15 Richard Henderson <rth@cygnus.com>
3801 * toplev.c (rest_of_compilation): Run full jump pass before
3802 find_basic_blocks of flow2.
3804 2000-05-15 Richard Henderson <rth@cygnus.com>
3806 * jump.c: Fix typos and clarify commentary from last change.
3807 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3808 (safe_to_remove_jump_p): Remove.
3809 (condjump_label): Use pc_set.
3811 2000-05-15 Richard Henderson <rth@cygnus.com>
3813 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3814 that get in the way after reload.
3815 (cond_exec_process_if_block): Skip a label heading THEN block.
3817 2000-05-15 Richard Henderson <rth@cygnus.com>
3819 * varasm.c (output_constant_pool): Abort instead of converting
3820 (improperly) deleted labels to zero.
3822 2000-05-16 Neil Booth <NeilB@earthling.net>
3824 * cpplex.c (parse_string2): Update comment.
3825 (cpp_lex_line): No special assertion treatment for '('.
3826 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3827 * cpplib.h (SYNTAX_ASSERT): Remove.
3829 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3831 * jump.c (condjump_p): Mark as depreached.
3832 (any_condump_p): New.
3833 (any_uncondump_p): New.
3835 (safe_to_remove_jump_p): New.
3836 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
3837 safe_to_remove_jump_p): Declare.
3839 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3841 * calls.c: Re-install both patches reverted by last patch.
3842 (struct arg_data): New field tail_call_reg.
3843 (initialize_argument_information): Initialize tail_call_reg
3844 (load_register_parameters): New argument flags, use
3845 tail_call_reg when emiting tail call sequence.
3846 (expand_call): Update call of load_register_parameters;
3847 copy unadjusted_args_size to adjusted_args_size.
3849 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3851 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3852 and bct_p parameters to flags.
3853 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3854 * rtl.h (loop_optimize): Update prototype.
3855 * toplev.c (rest_of_compilation): Update call of loop_optimize.
3857 2000-05-15 Jakub Jelinek <jakub@redhat.com>
3859 * calls.c (expand_call): Move expand_start_target_temps call after
3862 2000-05-15 Neil Booth <NeilB@earthling.net>
3864 * cpphash.c (trad_stringify, warn_trad_stringify,
3865 collect_params): Make some pointers pointers to const.
3866 * cpplex.c (auto_expand_name_space) Guaranteed to always
3867 expand by at least one character.
3868 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3869 (struct token_spelling): Use const U_CHAR * rather than PTR.
3870 (expand_name_space): Fix up token pointers if name space
3871 is moved when expanding.
3872 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
3873 parse_string2, save_comment, spell_token, cpp_output_list):
3874 Update so the routines handle tokens with a direct pointer to
3875 their text, rather than an offset into the token's list's namebuf.
3876 (_cpp_lex_line): Rearrange for clarity.
3878 * cpplib.c (_cpp_check_directive): Similarly.
3879 (do_define): Make SYM a pointer to const.
3880 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
3881 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3882 (TOK_OFFSET): Delete.
3885 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
3887 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3890 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3892 (logical_u_operand): Delete.
3893 (non_logical_cint_operand): Rewrite to take MODE into account.
3894 (non_logical_u_cint_operand): Delete.
3895 (boolean_operator): New function.
3896 (print_operand): Add new %q operand.
3897 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3898 remove logical_u_operand and non_logical_u_cint_operand,
3899 update logical_operand and non_logical_cint_operand.
3900 * config/rs6000/rs6000.md: Rewrite the patterns for performing
3901 logical operations to use %q.
3903 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3904 (movdi): Make similar to movsi.
3905 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3906 is no such thing as a DImode CONST_DOUBLE.
3907 * config/rs6000/rs6000.c (output_toc): Likewise.
3909 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3910 codes when old mnemonics are in use. Print register names
3911 for cc registers when requested.
3913 * optabs.c (expand_float): Don't allow mode widening that causes
3916 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3917 flags to their current names -maix64 and -maix32.
3919 2000-05-14 Bruce Korb <bkorb@gnu.org>
3921 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
3922 and/or after current text of file
3923 * fixinc/fixlib.c(must_malloc):
3924 * fixinc/fixlib.h(must_malloc): + reformatting
3925 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
3926 with usages of ``c_fix = wrap;''
3927 Add several tests and use the ``c_fix = format'' fixer more.
3928 * fixinc/fixincl.x: regen
3929 * fixinc/check.diff: regen
3930 * fixinc/check.tpl: emit the associated header with the missing
3933 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
3935 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
3936 variables $src and $dst.
3938 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
3940 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
3941 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
3942 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
3943 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
3945 (set_message_prefixing_rule): Declare.
3947 * diagnostic.c: (current_prefixing_rule): New variable.
3948 (set_message_prefixing_rule): Define.
3949 (output_set_prefix): Adjust buffer->emitted_prefix_p.
3950 (init_output_buffer): Adjust Initialization.
3951 (output_emit_prefix): Rewrite. Take prefixing rules into account.
3953 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
3955 * ifcvt.c (if_convert): Do not free NULL.
3957 2000-05-12 Nick Clifton <nickc@cygnus.com>
3959 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
3960 to move a double word value.
3961 (di_operand): New function: Return true if the operand is suitbale
3962 for a double word move operation.
3963 (nonimmediate_di_operand): New function: Return true if the
3964 operand is a DImode register or MEM.
3966 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
3967 nonimmediate_di_operand.
3969 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
3970 nonimmediate_di_operand.
3972 * config/fr30/fr30.md (movdi): New pattern. Required because
3973 other patterns generate DImode results.
3974 (movdi_insn): New pattern.
3976 2000-05-12 Richard Henderson <rth@cygnus.com>
3978 * config/alpha/alpha.c (struct shadow_summary): Define
3979 bitfields as type unsigned int.
3981 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
3983 * config/avr/t-avr: Added definition of FLOAT while generates
3986 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
3987 peepholes for tst+jump = sbrs/sbrc optimization.
3989 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
3991 * expr.c (emit_push_insn): Do not adjust stack pointer when
3994 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
3996 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
3997 * system.h (offsetof): ... to here.
3999 2000-05-12 Richard Henderson <rth@cygnus.com>
4001 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4002 * final.c (final_end_function): Use app_disable. Rearrange note
4003 handling into a switch. Emit deleted labels.
4004 (output_asm_label): Generate label strings for deleted labels.
4005 * flow.c (tail_recursion_label_list): New.
4006 (find_basic_blocks_1): Set label_value_list directly. Collect list
4007 of tail recursion labels from call_placeholders. Don't add deleted
4008 labels to the label value list.
4009 (cleanup_cfg): Use free_EXPR_LIST_list.
4010 (flow_delete_insn_chain): Turn non-removable labels into notes.
4011 (flow_delete_block): Don't disable deleting the block because of
4012 a non-removable label.
4013 (tail_recursion_label_p): New.
4014 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4016 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4018 (merge_blocks): Disable a merge because of tail recursion labels.
4019 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4020 Use a more accurate measure of not merging the join block.
4021 (find_if_block): Don't disable conversion because of a label.
4022 (find_if_case_1, find_if_case_2): Likewise.
4023 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4024 element when copying.
4025 (squeeze_notes): Also leave EH notes.
4026 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4028 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4030 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4031 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4032 referring to a deleted label. Convert tail handling to a switch.
4033 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4034 for NOTE_INSN_DELETED_LABEL.
4035 (NOTE): Fix commentary.
4036 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4037 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4038 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4039 (LABEL_NUSES, LABEL_REFS): Likewise.
4040 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4042 2000-05-12 Bruce Korb <bkorb@gnu.org>
4044 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4045 * fixinc/check.diff: updated
4046 * fixinc/inclhack.def: corrected & added some test_text-s
4047 * fixinc/genfixes: removed unneeded options to autogen invocation
4048 * fixinc/fixincl.tpl: Specified the output file
4049 * fixinc/fixfixes.c: visual appearance
4050 * fixinc/fixincl.x: regenerate
4052 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4054 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4055 CTRL_defn_fix): Delete.
4056 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4057 char_macro_def_fix and char_macro_use_fix, respectively. Put
4058 them into the FIXUP_TABLE. Get the string to search for from
4061 (format_write): New function.
4062 (format_fix): Use it.
4064 (FIX_PROC_HEAD): Constify text parameter.
4065 (machine_name_fix): Constify all char *s.
4066 * fixtests.c (skip_quote): Remove double static.
4068 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4069 ctrl_use_quotes): Update for new scheme.
4070 * fixincl.x: Regenerate.
4072 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4074 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4076 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4077 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4079 2000-05-11 Robert Lipe <robertlipe@usa.net>
4081 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4082 * fixincl.x: Regenerate.
4084 2000-05-11 Richard Henderson <rth@cygnus.com>
4086 * calls.c: Revert both 05-09 patches.
4088 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4090 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4092 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4095 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4096 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
4098 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
4100 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
4102 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4104 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
4106 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
4108 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
4109 * config/avr/avr.c (jump_over_one_insn_p): New function.
4110 * config/avr/avr.md: New peepholes added. Output test and
4111 conditional jump to "sbrc" or "sbrs" command.
4113 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
4115 * cppmain.c (main): Use IS_DIR_SEPARATOR.
4117 2000-05-11 Jakub Jelinek <jakub@redhat.com>
4119 * except.c (find_exception_handler_labels_1): New function.
4120 (find_exception_handler_labels): Split into two functions, dive
4121 into CALL_PLACEHOLDERs when looking for exception handler labels.
4123 2000-05-11 Stan Cox <scox@cygnus.com>
4125 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
4126 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
4127 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
4129 2000-05-11 Bruce Korb <bkorb@gnu.org>
4131 * fixinc/fixfixes.c (double_slash_fix): obsolete
4132 (else_endif_label_fix): obsolete
4133 (format_fix): new, unused as yet
4135 * fixinc/fixlib.h: added fix description struct for use by format_fix
4136 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
4137 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
4138 modules. Removed the vestiges of the script version.
4139 Added support for "make check".
4140 * fixinc/check.diff: base diff file (needs work!!)
4141 * fixinc/check.tpl: quiet the fixup output
4142 * fixinc/fixtests.c (main): obsolete
4143 * fixinc/fixincl.sh: don't bother copying fixincl to ..
4144 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
4146 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
4148 * toplev.c (rest_of_compilation): Remove dead code after
4151 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4153 * cpphash.c (collect_funlike_expansion): Make "# is not
4154 followed by a macro argument name" a pedwarn, not an error.
4155 Preserve the # in the output. Suppress the warning if lang_asm.
4157 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
4159 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
4160 * configure: Rebuilt.
4162 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
4164 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
4166 2000-05-10 Kazu Hirata <kazu@hxi.com>
4168 * combine.c (try_combine): Fix a typo.
4170 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
4172 * config/ia64/ia64.md (insv): Add comment.
4174 2000-05-10 Richard Henderson <rth@cygnus.com>
4176 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
4177 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
4178 dependancies on FPBIT and DPBIT.
4180 2000-05-10 Nick Clifton <nickc@redhat.com>
4182 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
4183 when optimising for size.
4184 (mark_used_regs:) Ditto.
4185 (try_pre_increment_1): Ditto.
4187 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
4189 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
4190 Make error message friendlier.
4192 * cpphash.h (struct hashnode): Use struct hack for name
4194 * cpphash.c (struct hashdummy): New.
4195 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
4196 (make_HASHNODE): No need to set ->name pointer. Correct
4198 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
4200 2000-05-10 Richard Henderson <rth@cygnus.com>
4202 * flow.c (find_basic_blocks_1): Remove any spare bb_note
4205 2000-05-10 Bruce Korb <bkorb@gnu.org>
4207 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
4209 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
4211 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
4212 after we enter .debug.
4214 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
4216 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
4217 abstract instance of a nested inline function.
4219 * stor-layout.c (finish_record_layout): finalize_type_size
4220 before laying out the pending_statics.
4222 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
4224 * cpplex.c (spell_token): New function.
4225 (spell_string, spell_comment, spell_name): fold into
4228 (E, H): Remove macros.
4229 (save_comment): Save comment opening characters too.
4230 (_cpp_lex_file): Update to use spell_token. Tidy up comment
4232 * cpplib.h (I, S): Add macros.
4233 (E, H): Remove macros.
4234 (TTYPE_TABLE): Update entries for new speller.
4235 (SYNTAX_ASSERT): Remove.
4237 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
4239 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
4240 when removing escaped newlines. Reverse sense of test for
4243 2000-05-09 Richard Henderson <rth@cygnus.com>
4245 * flow.c (find_basic_blocks_1): Do not delete the first
4246 bb_note we run across.
4247 (create_basic_block): Use reorder_insns to move an existing
4248 bb_note to the correct place.
4250 2000-05-09 Richard Henderson <rth@cygnus.com>
4252 * calls.c (expand_call): Increment currently_expanding_call
4253 before calling optimize_tail_recursion.
4255 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4257 * reload1.c (reload_combine): Fix errors in last change.
4259 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
4261 * gcc.c (used_arg): Skip over a semicolon at the end of the
4262 split-up loop; don't break out of it.
4264 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
4265 (tree.o): Depend on output.h.
4267 * c-decl.c (pending_invalid_xref_file,
4268 current_function_prototype_file): Constify.
4269 (pushdecl): Constify a local char *.
4270 (define_label): Constify filename parameter.
4271 * c-lex.c (init_parse): Constify parameter and return value.
4272 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
4273 * c-tree.h: Update prototypes.
4274 * c-parse.in: Constify filename member of %union, and if_stmt_file.
4275 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
4276 objc/objc-parse.c: Regenerate.
4278 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
4279 * dwarfout.h: Update prototypes.
4280 * expr.c (expand_expr): Constify a local char *.
4281 * flags.h: Constify main_input_filename.
4282 * function.c (expand_function_end): Constify filename parameter.
4283 * genrecog.c (make_insn_sequence): Use a character array for
4285 (main): Remove unused variables.
4286 * input.h: Constify input_filename, main_input_filename, and
4287 file_stack.name. Update prototypes.
4288 * output.h: Declare first_global_object_name and
4289 weak_global_object_name here, as const char *.
4290 * stmt.c (expand_asm_operands): Constify filename parameter.
4291 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
4292 Constify filename parameter.
4293 (input_filename, main_input_filename): Constify.
4294 * toplev.h: Update prototypes.
4295 * tree.c: Include output.h. Don't declare
4296 first_global_object_name or weak_global_object_name. Clean up string
4297 bashing in get_file_function_name_long.
4298 * tree.h (struct tree_decl): Constify filename member.
4299 (input_filename): Constify.
4301 * varasm.c (first_global_object_name, weak_global_object_name):
4303 (assemble_start_function, assemble_variable): Clean up string bashing.
4305 * gcc.c: Constify all spec-related strings initialized,
4306 transitively, from string constants. Constify all strings
4307 and string variables related to multilibs.
4308 (set_spec, read_specs): Cast argument to free to PTR.
4309 (used_arg): Do not modify multilib_matches. Use strncmp plus
4310 length comparison to compare multilib switches.
4311 * genmultilib: Constify everything declared in multilib.h.
4313 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
4315 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
4318 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
4320 * config/avr/avr-protos.h (extra_constraint): change a type of
4321 second argument from char to int to avoid warnings.
4322 (asm_output_byte): Likewise.
4324 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
4325 (initial_elimination_offset): Handle elimination from
4326 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
4327 (legitimate_address_p): Use MAX_LD_OFFSET.
4328 (legitimize_address): Likewise.
4329 (out_movqi_r_mr): Likewise.
4330 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
4331 (out_movsi_r_mr): Use MAX_LD_OFFSET.
4332 (out_movsi_mr_r): Likewise.
4333 (out_movqi_mr_r): Likewise.
4334 (out_movhi_mr_r): Likewise.
4335 (notice_update_cc): Correct CC for the ashrqi3 with the shift
4336 count as CONST_INT != 6.
4337 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
4338 shift count is a CONSTANT_P, but not a CONST_INT.
4339 (ashlhi3_out): Coding style modifications.
4340 (ashlsi3_out): Likewise.
4341 (ashrhi3_out): Likewise.
4342 (ashrsi3_out): Likewise.
4343 (lshrhi3_out): Likewise.
4344 (lshrsi3_out): Likewise.
4345 (ashrqi3_out): Generate shift for any known constant count without
4346 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
4347 but not a CONST_INT.
4348 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
4349 shift count is a CONSTANT_P, but not a CONST_INT.
4350 (extra_constraint): change a type of
4351 second argument from char to int to avoid warnings.
4352 (asm_output_byte): Likewise.
4353 (asm_file_end): Output size generated commands count as a hex
4356 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
4358 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
4360 (ashlqi3): Values of "length" attribute changed. Shift count
4361 uses constraints 'n' instead of 'i'.
4362 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
4363 shifts without clobber register.
4364 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
4365 (call_insn): Correct test for which_alternative == 1 (was 0).
4366 (call_value_insn): Likewise.
4368 * config/avr/t-avr: Remove definition of FLOAT while generates
4371 2000-05-09 Bruce Korb <bkorb@gnu.org>
4373 * fixinc/check.tpl: Template for checking fixes
4374 * fixinc/inclhack.def: Added 'test_text' for many fixes
4375 disable hpux8_bogus_inlines on SCO
4376 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
4378 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4380 * calls.c (expand_call): Reorganize somewhat in order
4381 to avoid unnecesary recalculation inside loop and make
4382 tail call failure code cleaner.
4384 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4386 * alias.c (nonlocal_reference_p): Minor reformatting.
4387 * reload.c (find_equiv_reg): Simplify logic for
4388 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
4389 some some reformatting.
4390 * reload1.c (reload_combine): Don't assume everything in
4391 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
4393 2000-05-08 Richard Henderson <rth@cygnus.com>
4395 * final.c (current_insn_predicate): New.
4396 (final_scan_insn): Set it.
4397 * output.h (current_insn_predicate): Declare.
4399 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
4400 Attach it to call insns.
4401 (cond_exec_process_if_block): Track probability for true and
4403 (dead_or_predicable): Likewise.
4405 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
4406 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
4407 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
4408 (estimate_probability, expected_value_to_br_prob): Use them.
4410 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
4411 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
4412 (ia64_expand_prediction): New.
4413 (emit_insn_group_barriers): Don't look at notes. Emit barriers
4414 as needed after calls.
4415 (ia64_epilogue_uses): Mark b0 used.
4416 * config/ia64/ia64.md (beq_true, beq_false): Remove.
4417 (bne_true, bne_false): Remove.
4418 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
4419 (br_true, br_false): New. Use predicate_operator and
4420 ia64_expand_prediction.
4421 (return_true, return_false): Likewise.
4422 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
4423 (call_internal1, call_value_internal): Likewise.
4424 (call_value_internal1, call_multiple_values_internal1): Likewise.
4426 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
4428 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
4430 2000-05-08 Richard Henderson <rth@cygnus.com>
4432 * rtlanal.c (may_trap_p): Consider old-style and volatile
4435 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
4437 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
4439 2000-05-08 Richard Henderson <rth@cygnus.com>
4441 * config/ia64/ia64.h (predicate_operator): Declare.
4443 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
4446 * gensupport.c (process_rtx): Copy and post-process each member
4447 of the define_insn rtvec individually.
4449 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
4451 * cpplex.c (spell_token): New function.
4452 (TOKEN_LEN): Add 1 for whitespace.
4453 (_cpp_lex_file): Update to use spell_token.
4454 * cpplib.h (E): Remove.
4455 (TTYPE_TABLE): Update CPP_VSPACE entry.
4457 2000-05-08 Richard Henderson <rth@cygnus.com>
4459 * flow.c (init_propagate_block_info): Watch out for conditional
4460 branch to next instruction, and thus one outgoing edge.
4462 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
4463 for global register variables; don't special case __[CD]TOR_LIST__;
4464 mind ggc_p for string allocation.
4466 2000-05-08 Nick Clifton <nickc@cygnus.com>
4468 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
4470 2000-05-08 Bruce Korb <bkorb@gnu.org>
4472 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
4473 i?86-*-msdosdjgpp* no longer uses fixincludes
4474 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
4475 * fixinc/inclhack.sh: deleted
4476 * fixinc/hackshell.tpl: deleted
4477 * fixinc/inclhack.tpl: deleted
4478 * fixinc/Makefile.in: Remove dependencies on above
4479 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
4481 2000-05-08 Andreas Jaeger <aj@suse.de>
4483 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
4486 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
4488 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
4491 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
4493 * cpplex.c: Move new lexer definitions and prototypes
4494 to top. Conditional include these and the code if
4495 NEW_LEXER is defined. Rename functions whose names
4496 clash if this code included.
4498 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
4500 * rtl.def (COND_EXEC): Clarify.
4502 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
4503 same fashion as zero_extendsidi2.
4505 2000-05-06 Richard Henderson <rth@cygnus.com>
4507 * config/ia64/ia64.c (predicate_operator): New.
4508 (ia64_print_operand): Handle 'J'.
4509 (rtx_needs_barrier): Handle COND_EXEC.
4510 * config/ia64/ia64.h (BRANCH_COST): Define.
4511 (PREDICATE_CODES): Update.
4512 * config/ia64/ia64.md: Docuement used unspec values.
4513 (attr predicable): New.
4514 (movxf, movxf_internal): New.
4515 (extendsfdf2): Don't comment out nop.
4516 (floatdidf2): Remove.
4517 (truncxfsf2, truncxfdf2, floatdixf2): New.
4518 (abssi2, absdi2): Put the neg in the "true" slot.
4519 (conditional branch instructions): Mark not predicable.
4520 (cmov*_internal): Use predicate_operator. Split to cond_exec.
4521 (abs*_internal): Likewise.
4522 (alloc, set_bsp): Mark not predicable.
4523 (barrier, insn_group_barrier, flush_cache): Likewise.
4524 (define_cond_exec): New.
4526 2000-05-06 Richard Henderson <rth@cygnus.com>
4528 * c-decl.c: Include "tm_p.h".
4530 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
4531 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
4532 (ia64_expand_op_and_fetch): Declare.
4533 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
4534 (setjmp_operand): Constify variables for XSTR.
4535 (ia64_encode_section_info): Likewise.
4536 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
4538 (ia64_asm_output_external): Constify name.
4539 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
4540 (process_for_unwind_directive): Provide switch default.
4541 (ia64_expand_compare_and_swap): Remove unused variables.
4542 (ia64_expand_builtin): Likewise.
4543 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
4546 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
4547 (symbolic_operand, function_operand, setjmp_operand): Likewise.
4548 (shift_count_operand, shift_32bit_count_operand): Likewise.
4549 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
4550 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
4551 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
4552 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
4553 (ia64_expand_builtin): Likewise.
4554 (call_multiple_values_operation): Make dest_regno unsigned.
4556 2000-05-06 Richard Henderson <rth@cygnus.com>
4558 * rtl.def (DEFINE_COND_EXEC): New.
4559 * md.texi: Document it.
4561 * gensupport.c (input_file): Remove.
4562 (struct queue_elem): Add lineno.
4563 (rtx_ready_queue): Remove.
4565 (predicable_default): New.
4566 (predicable_true, predicable_false): New.
4567 (define_attr_queue, define_attr_tail): New.
4568 (define_insn_queue, define_insn_tail): New.
4569 (define_cond_exec_queue, define_cond_exec_tail): New.
4570 (other_queue, other_tail): New.
4571 (queue_pattern): New.
4572 (process_rtx): Add patterns to the appropriate queues.
4573 (is_predicable, identify_predicable_attribute): New.
4574 (n_alternatives, collect_insn_data): New.
4575 (alter_predicate_for_insn, alter_test_for_insn): New.
4576 (shift_output_template, alter_output_for_insn): New.
4577 (process_one_cond_exec, process_define_cond_exec): New.
4578 (init_md_reader): Read the entire file. Process define_cond_exec.
4579 (read_md_rtx): Return elements from the queues.
4581 2000-05-06 Richard Henderson <rth@cygnus.com>
4583 * flow.c (mark_set_1): Don't update conditional life info
4584 if the register is not_dead.
4586 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4588 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
4589 (mostlyclean): Also delete fixincl, fixinc.sh, and
4590 specs.ready, and make clean in the fixinc subdir.
4592 2000-05-06 Richard Henderson <rth@cygnus.com>
4594 * Makefile.in (gensupport.o): Compile for the host.
4595 (host-prefix gensuuprt.o): Remove.
4596 (genflags.o): Depend on gensupport.h and OBSTACK_H.
4597 (genattrtab.o): Likewise.
4598 (gencodes.o): Depend on gensupport.h.
4599 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
4600 (genpeep.o, genattr.o, genoutput.o): Likewise.
4602 * gensupport.c (obstack, rtl_obstack): New.
4603 (init_md_reader): Initialize rtl_obstack.
4604 * gensupport.h (rtl_obstack): Declare.
4605 (message_with_line): Declare.
4607 * genattr.c: Remove all traces of obstack manipulation.
4608 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4609 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4611 * genattrtab.c (obstack, rtl_obstack): Remove.
4612 (main): Don't init rtl_obstack.
4613 * genflags.c: Likewise.
4615 * genrecog.c (message_with_line): Move ...
4616 * gensupport.c: ... here.
4618 2000-05-06 Richard Henderson <rth@cygnus.com>
4620 * c-typeck.c (build_c_cast): Remove dead code.
4622 2000-05-06 Richard Henderson <rth@cygnus.com>
4624 * flow.c (split_edge): Don't allocate global_live_at_start for
4625 the new block unless the old blocks had them as well.
4627 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
4629 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
4630 test_bb if a or b uses x.
4632 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4634 * cpphash.h: Remove conditional #define of __extension__.
4635 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
4636 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
4637 (ENABLE_RTL_CHECKING only).
4638 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
4639 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
4640 (ENABLE_TREE_CHECKING only).
4641 * varray.h: Add __extension__ to VARRAY_CHECK macro
4642 (ENABLE_CHECKING only).
4644 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4646 Use new tail-calling mechanism on ARM.
4647 * arm.md (sibcall, sibcall_value): New expands.
4648 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
4649 (tailcalling peepholes): Delete.
4650 (push_multi): Simplify.
4651 * arm.c (lr_save_eliminated): Delete definition.
4652 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
4653 (output_return_instruction): Remove checks on lr_save_eliminated.
4654 (output_arm_prologue): Remove old tail-calling code.
4655 (arm_output_epilogue): New parameter, really_return. All callers
4656 changed. Handle tail-calling epilogues.
4657 * arm.h (lr_save_eliminated): Delete declaration.
4658 (frame_pointer_needed): Delete declaration.
4659 * arm-protos.h (arm_output_epilogue): Adjust prototype.
4661 * arm.md (is_thumb): Examine symbol thumb_code, not expression
4663 * arm.c (thumb_code): Define it.
4664 (arm_override_options): Set it.
4665 * arm.h (thumb_code): Declare it.
4667 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4669 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
4671 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4673 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4674 bogus clobber to insns.
4675 (load_multiple_operation, store_mulitple_operation): Don't check
4677 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
4679 * arm.md (and_scc, ior_scc): Add missing mode.
4681 * arm.md (call_value_symbol): Remove predicate from op2.
4683 * arm.h (SPECIAL_MODE_PREDICATES): Define.
4685 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4687 * expr.c (get_subtarget): New function.
4688 (force_operand, expand_expr, do_store_flag): Use it.
4690 * toplev.c (compile_file): Don't take strlen of NAME if null.
4692 2000-05-06 David Edelsohn <edelsohn@gnu.org>
4694 * xcoffout.c (xcoff_current_include_file,
4695 xcoff_current_function_file, xcoff_lastfile): Constify char *.
4696 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
4698 (xcoffout_declare_function): Make name 'const char *'.
4699 (xcoffout_end_epilogue): Make fname 'const char *'
4700 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
4701 xcoffout_declare_function, xcoffout_source_line): Match above.
4703 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
4705 * rs6000.c (print_operand): Fix lossage typo.
4706 (output_cbranch): Remove "cr" decoration for now.
4707 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
4709 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
4711 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
4714 2000-05-05 Bruce Korb <bkorb@gnu.org>
4716 * fixinc/genfixes: Improve the matching for make target names
4718 2000-05-05 Catherine Moore <clm@cygnus.com>
4720 * c-common.c (decl_attributes): For TYPE_DECLs attach the
4721 attribute to the decl.
4722 * c-decl.c (pushdecl): Propagate the USED attribute to the
4725 2000-05-05 Richard Henderson <rth@cygnus.com>
4727 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
4728 same way emit_group_load does.
4730 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
4732 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
4734 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
4737 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
4739 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
4741 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
4743 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
4744 to support -shared, on platforms with dynamic libraries.
4746 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
4748 * system.h (S_ISBLK): Provide fallback definition.
4750 2000-05-05 Geoff Berry <geoffb@bops.com>
4752 * extend.texi (Extended Asm): Document inability to give asm
4753 statements access to condition codes.
4755 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
4757 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
4758 as arg 2 of UNIQUE_SECTION.
4760 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
4762 * predict.c: Remove May 4 change.
4763 * bb-reorder.c (make_reorder_chain): Do not perform block movement
4764 if we have predicted the branch at 50-50 probability.
4766 2000-05-05 Richard Henderson <rth@cygnus.com>
4768 * flow.c (init_propagate_block_info): Fix merge error
4769 in HAVE_conditional_execution code.
4771 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
4773 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
4774 shift cycle for unknown shift count. Also generates dec + brpl.
4775 (ashlqi3_out): Don't generate dec + brpl which now generates by
4776 `out_shift_with_cnt'.
4777 (ashlhi3_out): Likewise.
4778 (ashlsi3_out): Likewise.
4779 (ashrqi3_out): Likewise.
4780 (ashrhi3_out): Likewise.
4781 (ashrsi3_out): Likewise.
4782 (lshrqi3_out): Likewise.
4783 (lshrhi3_out): Likewise.
4784 (lshrsi3_out): Likewise.
4786 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4788 * gcc.c (free_split_directories): Correct typo in explanation
4789 of make_relative_prefix.
4791 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4793 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4794 comparison codes to branch_comparison_operator.
4796 2000-05-04 Richard Henderson <rth@cygnus.com>
4798 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4800 2000-05-04 Richard Henderson <rth@cygnus.com>
4802 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4803 (DPBIT_FUNCS): Remove _sf_to_usi.
4804 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4806 * ifcvt.c (noce_process_if_block): Fail if A or B modified
4807 between condition and jump.
4809 * libgcc2.c (near eh_context_specific): Comment #endif string.
4810 * longlong.h: Don't use strings with embedded newlines.
4812 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4814 * config/rs6000/rs6000-protos.h: Add output_cbranch.
4815 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4816 (print_operand): Delete %t and %T codes.
4817 (output_cbranch): New function. Support branch prediction.
4818 * config/rs6000/rs6000.md: Use output_cbranch for
4819 conditional branches and returns.
4821 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
4823 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4824 * stor-layout.c (place_field): Likewise.
4825 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4826 * expr.c (store_expr): Make align unsigned.
4827 * explow.c (plus_constant_wide): Make low words unsigned.
4828 * expmed.c (choose_multiplier): Likewise.
4829 * fold-const.c (fold): Likewise.
4830 * tree.h (build_int_2): Likewise.
4831 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4832 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4833 (init_emit): Change cast to unsigned char*.
4834 * varasm.c (compare_constant_1): Add cast to char*.
4835 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4836 * reload1.c (reload): Likewise.
4838 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4840 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
4842 * predict.c (estimate_probability): If no prediction was found, then
4843 predict the successor that is the next physical block (if such a
4846 2000-05-04 Richard Henderson <rth@cygnus.com>
4848 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4850 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4852 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4854 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
4856 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4857 attribute macros from here ...
4858 (CPP_SPEC): to here.
4859 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4860 (CPP_SPEC): Likewise.
4861 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4863 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4864 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4866 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4868 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4870 * diagnostic (vbuild_message_string, build_message_string,
4871 build_location_prefix, output_get_prefix, init_output_buffer,
4872 output_notice, vline_wrapper_message_with_location,
4873 v_message_with_decl, default_print_error_function): De-constify.
4874 (set_real_maximum_length): Prototype.
4876 * diagnostic.h (struct output_buffer, init_output_buffer,
4877 output_get_prefix, output_set_prefix): De-constify.
4879 * function.c (init_function_start): Constify.
4881 * gensupport.c (remove_constraints, process_rtx): Prototype.
4883 * gthr-posix.h: Indent uses of #pragma.
4885 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4888 * predict.c (find_expected_value): Delete prototype.
4889 (expected_value_to_br_prob): Initialize variable `ev_reg'.
4891 * sbitmap.h (debug_sbitmap): Prototype.
4893 * ssa.c (compute_coalesced_reg_partition): Prototype.
4895 * stor-layout.c (debug_rli): Prototype.
4897 * tree.h (round_down): Prototype.
4898 (init_function_start): Constify.
4900 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
4902 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4903 (overly conservative). Change extern inline wrappers to
4904 static inline, define them always, use PARAMS properly.
4905 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4906 whitespace warnings for \f and \v at the beginning of a line.
4908 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
4910 * haifa-sched.c (schedule_insns): Free the flow edge list when it
4913 2000-05-04 Bruce Korb <bkorb@gnu.org>
4915 * fixincl/inclhack.def: added broken_cabs -
4916 Remove `extern double cabs' declarations from math.h
4917 * fixincl/inclhack.sh: regen
4918 * fixincl/fixincl.x: regen
4919 * fixincl/fixincl.c: Remove BOGOSITY code
4920 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
4922 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4924 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
4926 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
4927 when calling MEM_COPY_ATTRIBUTES.
4928 * emit-rtl.c (operand_subword, change_address): Likewise.
4929 * explow.c (stabilize): Likewise.
4930 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4931 * integrate.c (copy_rtx_and_substitute): Likewise.
4932 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
4933 when calling MEM_COPY_ATTRIBUTES.
4934 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
4936 * cse.c (gen_lowpart_if_possible): Likewise.
4937 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4938 * optabs.c (gen_move_insn): Likewise.
4939 * recog.c (validate_replace_rtx_1): Likewise.
4940 * simplify-rtx.c (add_mem_for_addr): Likewise.
4941 * stmt.c (expand_anon_union_decl): Likewise.
4942 * config/arm/arm.md: Likewise.
4943 * config/h8300/h7300.c (fix_bit_operand): Likewise.
4944 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
4945 (block_move_no_loop, block_move_sequence): Likewise.
4946 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
4947 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4948 Clear MEM_ALIAS_SET.
4949 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
4950 MEM_COPY_ATTRIBUTES.
4952 2000-05-03 Robert Lipe <robertlipe@usa.net>
4954 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
4955 to suppress libgcc1.
4956 (i[34567]86-*-sco3.2v5*) Likewise.
4957 (i[34567]86-*-sco3.2v4*) Likewise.
4958 (i[34567]86-*-sco) Likewise.
4959 (i[34567]86-*-solaris2) Likewise.
4960 (i[34567]86-*-sysv5*) Likewise.
4961 (i[34567]86-*-sysv4*) Likewise.
4962 (i[34567]86-*-udk*) Likewise.
4963 (i[34567]86-*-sysv*) Likewise.
4965 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4967 * cpphash.h (U): New define, to correct type of string constants.
4968 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
4969 routines, to do casts when passing unsigned strings to libc.
4970 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
4972 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
4973 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
4974 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
4975 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
4976 second argument an U_CHAR *.
4978 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
4979 length field, clean up initializer.
4980 (ISTABLE): Add __extension__ to designated-
4981 initializers version.
4982 * cpplex.c (CHARTAB): Likewise.
4984 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
4985 case so the file won't be empty.
4987 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
4989 * bb-reorder.c (struct reorder_block_def): Member succ removed.
4990 (REORDER_BLOCK_SUCC): Removed.
4991 (enum reorder_skip_type): Removed.
4992 (skip_insns_between_block): Renamed to skip_insns_after_block.
4993 Removed second argument. Removed dead code and cleaned up.
4994 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
4995 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
4996 second parameter to skip_insns_after_block.
4998 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5000 * tree.c (staticp, case LABEL_DECL): New case.
5002 2000-05-03 Richard Henderson <rth@cygnus.com>
5004 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5006 * mklibgcc1.in: Fix typo last change.
5008 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5010 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5011 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5012 (GCC_CFLAGS): Use it.
5013 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5014 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5015 objc/Make-lang.in: Use it.
5017 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5019 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5021 2000-05-03 Richard Henderson <rth@cygnus.com>
5023 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5024 LIBGCC1 empty with libgcc1.null.
5026 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5028 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5031 2000-05-03 Greg McGary <gkm@gnu.org>
5033 * tree.h (tree_common): Add bounded_flag member. Remove
5034 inaccurate comment about number of remaining bits.
5035 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5036 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5037 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5038 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5039 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5040 (TYPE_QUAL_BOUNDED): New constant.
5041 (TYPE_QUALS): Handle bounded qualifier.
5042 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5043 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5044 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5045 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5046 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5047 (tree_type): Add pointer_depth member. Remove
5048 inaccurate comment about number of remaining bits.
5049 (DECL_POINTER_DEPTH): Add macro.
5050 (tree_decl): Add pointer_depth member.
5052 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5054 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5055 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5056 (lshrhi3_out): Likewise.
5057 (ashrsi3_out): bugfix in shift by 8.
5058 (test_hard_reg_class): New function.
5059 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5060 (ashlhi3): removed define_expand of this pattern.
5061 (*ashlhi3_insn): renamed to ashlhi3.
5062 (ashlsi3): removed define_expand of this pattern.
5063 (*ashlsi3_insn): renamed to ashlsi3.
5064 (ashrqi3): removed define_expand of this pattern.
5065 (*ashrqi3_insn): renamed to ashrqi3.
5066 (ashrhi3): removed define_expand of this pattern.
5067 (*ashrhi3_insn): renamed to ashrhi3.
5068 (ashrsi3): removed define_expand of this pattern.
5069 (*ashrsi3_insn): renamed to ashrsi3.
5070 (lshrhi3): removed define_expand of this pattern.
5071 (*lshrhi3_insn): renamed to lshrhi3.
5072 (lshrsi3): removed define_expand of this pattern.
5073 (*lshrsi3_insn): renamed to lshrsi3.
5075 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5077 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5078 inclusion of "system.h".
5080 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5082 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5085 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5087 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5088 if -mauto-pic is on.
5089 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5090 -mconstant-gp is in effect and function-descriptors are being used
5091 to make indirect calls.
5092 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5093 (MASK_AUTO_PIC): Ditto.
5094 (TARGET_CONST_GP): Ditto.
5095 (TARGET_AUTO_PIC): Ditto.
5096 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5097 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
5098 -mno-pic is in effect.
5099 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
5100 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
5101 -mauto-pic is in effect.
5102 (gprel64_offset): New pattern.
5103 (load_gprel64): Ditto.
5104 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
5105 -mconstant-gp is in effect, no need to preserve gp around direct
5107 (call_value): Ditto.
5108 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
5109 (FUNCTION_PROFILER): Define.
5110 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
5111 @fptr() directive when -mno-pic or -mauto-pic is in effect.
5112 (ASM_OUTPUT_DESTRUCTOR): Ditto.
5114 2000-05-03 Richard Henderson <rth@cygnus.com>
5116 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
5117 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
5118 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
5119 (mklibgcc, libgcc.mk): New targets.
5120 (libgcc.a): Use libgcc.mk.
5121 (stmp-multilib): Likewise.
5122 (stmp-multilib-sub): Remove.
5123 (mostlyclean): Don't delete libgcc2 temp files.
5124 * configure.in (AC_PROG_CC_C_O): Add.
5125 (NO_MINUS_C_MINUS_O): Substitute it.
5126 (all_outputs): Add mklibgcc.
5127 * mklibgcc.in: New file.
5129 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5131 * cppexp.c (op_t): Make an int.
5133 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
5135 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
5137 * gensupport.c (process_rtx): Fix macros used.
5139 2000-05-03 Richard Henderson <rth@cygnus.com>
5141 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
5142 call-clobbered registers of a call.
5144 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5146 * gensupport.c: New file.
5147 * gensupport.h: New file.
5148 * Makefile.in (HOST_RTL): Depend on gensupport.
5149 (gensupport.o) New rule.
5150 * genattr.c: Use gensupport for reading .md files.
5151 * genattrtab.c: Ditto.
5152 * gencodes.c: Ditto.
5153 * genconfig.c: Ditto.
5155 * genextract.c: Ditto.
5156 * genflags.c: Ditto.
5157 * genopinit.c: Ditto.
5158 * genoutput.c: Ditto.
5160 * genrecog.c: Ditto.
5161 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
5162 * md.texi (Insn Splitting): Document define_insn_and_split.
5164 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
5166 * flow.c (verify_flow_info): Added two more sanity checks. The
5167 first checks that the blocks are numbered consecutively. The second
5168 checks that n_basic_blocks is actually equal to the number of
5169 basic blocks in the insn chain.
5171 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5173 * cpplib.h: Add accessor macros for token lists.
5174 * cpplib.c, cpphash.c, cpplex.c: Use them.
5176 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5178 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
5179 memory usage if not in a function.
5180 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
5181 return address if static.
5183 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
5185 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
5186 whether address may trap.
5188 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
5190 * bb-reorder (chain_reorder_blocks): Changed code to test for
5191 EDGE_FALLTHRU rather than making erroneous assumption that the
5192 first outgoing edge is the fall-through edge.
5194 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
5196 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
5197 ABI for varargs, across all MIPS. This is incompatible because the
5198 va_list (__builtin_va_list) structure is different, so a compilation
5199 unit passing a va_list and a compilation unit being passed one, should
5200 both be compiled with the same ABI. (The old structure had two
5201 pointers, now it has three.)
5203 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
5205 * bb-reorder.c (struct reorder_block_def): Remove members end,
5206 block_begin, and block_end.
5207 (REORDER_BLOCK_OLD_END): Delete.
5208 (REORDER_BLOCK_BEGIN): Delete.
5209 (REORDER_BLOCK_END): Delete.
5210 (chain_reorder_blocks): Remove dead code.
5212 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
5214 * bb-reorder.c (remove_scope_notes): Check for both types of scope
5215 notes as the end of a basic block before deleting.
5217 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
5219 * final.c (final_start_function): Fix spelling of "necessary".
5221 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
5223 * toplev.c (debug_ignore_block): Return int.
5224 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
5225 * toplev.h, dwarf2out.h: Adjust.
5226 * emit-rtl.c (remove_unnecessary_notes): Test return value.
5228 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
5229 * toplev.c, final.c, rtl.h: Adjust.
5231 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5233 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
5234 * configure.in: Look for makeinfo in the unified tree, then
5235 for a system makeinfo which is sufficiently new.
5236 * Makefile.in: If configure says makeinfo is too old, don't
5237 build or install Info documentation.
5239 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5241 * cpphash.c (collect_params): Fix off-by-one error.
5242 (dump_hash_helper): Dump all four macro nodetypes.
5244 2000-05-02 Jakub Jelinek <jakub@redhat.com>
5246 * cpphash.c (trad_stringify): Adjust p after stringification as
5249 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5251 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
5252 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
5254 * cppfiles.c (file_cleanup): Delete.
5255 * cpphash.c (macro_cleanup): Delete.
5256 (collect_objlike_expansion, collect_funlike_expansion,
5257 macarg, scan_arguments): Remove CPP_POP case.
5259 * cpplex.c (null_cleanup): Delete.
5260 (cpp_pop_buffer): Do the work that was done in the cleanups
5261 here. Call _cpp_unwind_if_stack from here.
5262 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
5263 cpp_scan_buffer): Run until we see CPP_EOF and the top of
5264 stack is the buffer _below_ the one we stacked.
5265 (cpp_get_token): Always pop an exhausted buffer. Return
5266 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
5267 * cpplib.c (skip_if_group): Don't call cpp_get_token to
5268 increment the line number.
5269 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
5271 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
5272 we see CPP_EOF and the top of stack is the buffer _below_ the
5274 * scan-decls.c: Likewise.
5276 2000-05-02 Andrew Haley <aph@cygnus.com>
5278 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
5279 where this function is called for the second time on a decl that
5280 has had its section info changed in such a way as to move it out
5282 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
5284 2000-05-01 Richard Henderson <rth@cygnus.com>
5286 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
5287 the sequence we're moving, not to merge_bb->head.
5289 2000-05-01 Richard Henderson <rth@cygnus.com>
5291 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
5292 reference to alpha/t-linux.
5293 (alpha*-*-linux-gnu*): Likewise.
5294 * configure: Rebuild.
5296 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5298 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
5301 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
5303 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
5305 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
5308 2000-05-01 Richard Henderson <rth@cygnus.com>
5310 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
5311 emit_conditional_move.
5313 2000-05-01 Jakub Jelinek <jakub@redhat.com>
5315 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
5316 as the dynamic linker.
5318 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
5320 * cppfiles.c (open_include_file): Open file in blocking mode.
5321 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
5322 Only exclude block devices and directories.
5324 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
5325 static. Allocate the hashnode and its string in the same
5327 (del_HASHNODE): Don't free h->name.
5328 (_cpp_lookup): If there is no entry for this string, create
5329 one, of type T_VOID.
5330 (_cpp_lookup_slot): Delete.
5331 * cpphash.h: Update prototypes.
5333 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
5335 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
5336 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
5337 node here, just fill in the value field properly. "Delete"
5338 entries by setting the value field to T_VOID. Check for
5339 hp->type == T_VOID, not hp == NULL.
5341 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
5342 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
5345 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
5347 * config/mn10300/mn10300.c (print_operand_address): Do not add
5350 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
5351 adjusted by less than 256 bytes, use ret regardless of having any
5352 callee-saved register to restore.
5354 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
5356 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
5358 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
5360 * config/i386/djgpp.h (INT_ASM_OP): Define.
5361 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
5362 (ASM_WEAKEN_LABEL): Define.
5363 (MASK_BNU210): Define.
5364 (SUBTARGET_SWITCHES): Define.
5365 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
5366 (MAKE_DECL_ONE_ONLY): Define.
5367 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
5369 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
5371 * i386/cygwin.h (INT_ASM_OP): Define.
5373 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
5375 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
5376 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
5378 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
5380 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
5381 __tmp_reg__ and __zero_reg__ initialization.
5383 2000-04-30 Richard Henderson <rth@cygnus.com>
5385 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
5387 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
5388 referenced bewteen the condition and the jump. Don't delete
5389 anything but the jump.
5391 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
5393 * bb-reorder.c (scope_def): New struct.
5394 (scope_forest_info): New struct.
5395 (struct reorder_block_def): New member "scope".
5396 (REORDER_BLOCK_SCOPE): New macro.
5397 (relate_bbs_with_scopes): New function and prototype.
5398 (make_new_scope): Likewise.
5399 (build_scope_forest): Likewise.
5400 (remove_scope_notes): Likewise.
5401 (insert_intra_1): Likewise.
5402 (insert_intra_bb_scope_notes): Likewise.
5403 (insert_inter_bb_scope_notes): Likewise.
5404 (rebuild_scope_notes): Likewise.
5405 (free_scope_forest_1): Likewise.
5406 (free_scope_forest): Likewise.
5407 (dump_scope_forest): Likewise.
5408 (dump_scope_forest_1): Likewise.
5409 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
5410 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
5412 (reorder_basic_blocks): Added calls to build_scope_scope_forest
5413 and remove_scope_notes before reordering is done. Added calls to
5414 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
5415 after reordering is done.
5417 2000-40-30 Bruce Korb <bkorb@gnu.org>
5419 * fixinc/inclhack.def: Added definitions needed by OSR5,
5420 removed two stale entries (defined away with OLD_CPP).
5421 * fixinc/inclhack.sh: regen
5422 * fixinc/fixincl.x: regen
5424 2000-04-30 Richard Henderson <rth@cygnus.com>
5426 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
5427 from the last insn in the sequence.
5429 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
5431 * cpplex.c (cpp_idcmp): New function.
5432 * cpplib.h: Prototype it.
5433 * scan_decls.c (scan_decls): Use it to inspect token names.
5434 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
5435 the file being run through the preprocessor.
5436 (check_macro_names): Provide length of token to cpp_defined.
5438 * Makefile.in: Remove stale warning message.
5440 * cppfiles.c (redundant_include_p): Provide length of token to
5442 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
5443 values are unsigned int.
5444 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
5445 (_cpp_lookup_slot): Do not calculate the hash, either.
5446 * cpphash.h: Update prototypes.
5447 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
5448 Hashes are unsigned int. Calculate hash here, pass by value
5449 to _cpp_lookup_slot.
5451 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
5453 * simplify-rtx.c (check_value_useless): Delete function.
5454 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
5456 (cselib_invalidate_regno): Likewise.
5457 (cselib_invalidate_mem_1): Likewise.
5458 (references_value_p): Recognize useless values by the fact that they
5460 (discard_useless_values): Likewise.
5461 (cselib_record_set): This may turn a useless value
5464 2000-04-30 Richard Henderson <rth@cygnus.com>
5466 * config/d30v: New port.
5468 * configure.in (d30v-*): Set fp format.
5469 * configure: Rebuild.
5471 2000-04-30 Richard Henderson <rth@cygnus.com>
5473 * ifcvt.c: New file.
5474 * Makefile.in (OBJS): Add it.
5475 (ifcvt.o): New target.
5476 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
5477 and conditional arithmetic.
5478 (find_insert_position): Remove.
5479 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
5480 * toplev.c (DFI_ce, DFI_ce2): New.
5481 (dump_file): Add ce and ce2 dumps.
5482 (rest_of_compilation): Run if_convert a couple o times. Set
5483 cse_not_expected after cse2. Don't set no_new_pseudos until
5484 after sched1 or recompute_reg_usage.
5486 2000-04-30 Richard Henderson <rth@cygnus.com>
5488 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
5489 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
5491 2000-04-30 Richard Henderson <rth@cygnus.com>
5493 * flow.c (struct reg_cond_life_info): New.
5494 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
5495 (init_propagate_block_info): Initialize them.
5496 (free_propagate_block_info): Destruct them.
5497 (mark_set_1): Consider conditional life before killing a register.
5498 (mark_regno_cond_dead): New.
5499 (free_reg_cond_life_info): New.
5500 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
5501 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
5502 (mark_used_reg): Record conditional life.
5504 * haifa-sched.c (schedule_insns): Disable death counting
5505 sanity check for HAVE_conditional_execution.
5507 2000-04-30 Richard Henderson <rth@cygnus.com>
5509 * Makefile.in (TIMEVAR_H): New.
5510 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
5511 (timevar.h): Remove rule.
5513 2000-04-29 Richard Henderson <rth@cygnus.com>
5515 * config/alpha/crtend.asm: Use C comments instead of #.
5516 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
5518 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
5520 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
5522 * cpphash.h (enum node_type: Take out T_MCONST.
5523 (union hashval): Move into struct hashnode.
5524 (struct hashnode): Pack tighter. Remove file, line, col
5526 * cpphash.c: Constify most of the macro-definition structures.
5527 (struct definition): Replace by struct object_defn
5528 and struct funct_defn. Put file, line, column information
5529 here. All users updated to match.
5530 (_cpp_create_definition, _cpp_macroexpand): Remove special
5531 case for #define WORD OTHERWORD.
5532 * cpplib.c (do_undef): Remove T_MCONST case.
5534 * cpphash.h: Move struct reflist, struct definition, and the
5535 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
5536 union hashval. _cpp_free_definition takes a HASHNODE pointer.
5537 * cpphash.c (_cpp_free_definition): Free data pointed to by
5538 MCONST, XCONST, MACRO, and FMACRO nodes properly.
5539 (_cpp_create_definition, del_HASHNODE): Just call
5540 _cpp_free_definition to clear out a hashnode.
5541 * cpplib.c (do_pragma_poison): Likewise.
5543 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5545 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
5546 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
5547 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
5548 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
5549 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
5550 REGNO_AM33_P): Redefine in terms of the new macros.
5551 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
5552 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5553 STRUCT_VALUE): Likewise.
5554 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5555 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
5557 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
5559 * regmove.c (struct record_stack_memrefs_data): New.
5560 (record_stack_memrefs): New function.
5561 (combine_stack_adjustments_for_block): Use it.
5563 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5565 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
5566 use special_function_p to detect alloca.
5568 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
5570 * gcc.texi: Fixes for makeinfo 4.0 --html.
5572 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
5574 * pcp.h: Delete file.
5576 2000-04-28 Kazu Hirata <kazu@hxi.com>
5578 * h8300.c (function_epilogue): Clean up flags when the last insn
5579 in a function is a barrier.
5581 2000-04-28 Chris Demetriou <cgd@sibyte.com>
5583 * configure.in (sparc-hal-solaris2*): protect [] glob from
5585 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
5586 rather than hard-coded constants in target_cpu_default2.
5587 * configure: Regenerate.
5589 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5591 * tree.c (get_callee_fndecl): Extract the initial value from
5594 2000-04-28 Richard Henderson <rth@cygnus.com>
5596 * varasm.c (record_constant_1): Record the CODE_LABEL when
5597 taking the address of a LABEL_REF.
5599 2000-04-28 Richard Henderson <rth@cygnus.com>
5600 Jan Hubicka <jh@suse.cz>
5602 * calls.c (combine_pending_stack_adjustment_and_call): Return the
5603 adjustment; don't do the stack adjust.
5604 (expand_call): Call compute_argument_block_size right before
5605 allocating the block; update comment; don't do alignment sanity
5606 checking for sibling call; use args_size instead of
5607 unadjusted_args_size before args_size is adjusted. Use
5608 combine_pending_stack_adjustment_and_call to compute stack adjust
5609 for must_preallocate case.
5611 * expr.c (push_block): Remove shadow `temp' in inner scope.
5613 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5615 * toplev.c (rest_of_compilation): Call
5616 note_deferral_of_defined_inline_function even if the function
5619 2000-04-28 Scott Bambrough <scottb@netwinder.org>
5621 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
5623 2000-04-28 Richard Henderson <rth@cygnus.com>
5625 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
5627 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5629 * timevar.c (init_timevar): DeANSIfy function definition.
5631 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5633 * Makefile.in (timevar.o): Depend on flags.h.
5634 * timevar.c (unused_stack_instances): New variable.
5635 (timevar_push): Take a timevar_stack_def from
5636 unused_stack_instances if available.
5637 (timevar_pop): Push the popped timevar_stack_def onto
5638 unused_stack_instances.
5639 (TIMEVAR_ENABLE): New macro.
5640 (timevar_def): Make standalone a 1-bit field. Add field used.
5641 (get_time): Rename parameter to now. Return after clearing it if
5643 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
5644 (timevar_pop): Likewise.
5645 (timevar_stop): Likewise.
5646 (timevar_push): Likewise. Mark the timing variable as used.
5647 (timevar_start): Likewise.
5648 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
5649 timevars that were never used.
5651 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5653 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
5654 always TREE_READONLY.
5656 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
5658 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
5659 for call instruction with mode QImode.
5661 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5663 * Makefile.in (OBJS): Add timevar.o.
5664 (toplev.o): Depend on timevar.h.
5665 (ggc-simple.o): Likewise.
5666 (ggc-page.o): Likewise.
5667 (timevar.o): New rule.
5668 (timevar.h): New rule.
5670 * timevar.h: New file.
5671 * timevar.c: Likewise.
5672 * timevar.def: Likewise.
5674 * toplev.h (gc_time, parse_time, varconst_time): Remove.
5675 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
5677 (TIMEVAR): Remove macro.
5678 (gc_time, parse_time, varconst_time, integration_time, jump_time,
5679 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
5680 flow_time, combine_time, regmove_time, sched_time,
5681 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
5682 sched2_time, dbr_sched_time, reorder_blocks_time,
5683 rename_registers_time, shorten_branch_time, stack_reg_time,
5684 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
5686 (compile_file): Don't initialize time variables. Call
5687 init_timevar and start TV_TOTAL timer. Call timevar_print instead
5688 of many calls to print_time.
5689 (rest_of_compilation): Add timing for reload_cse_regs.
5690 (get_run_time): Removed to timevar.c.
5691 (print_time): Likewise.
5692 (get_run_time): Implement using TV_TOTAL time variable.
5693 (print_time): Get total run time from get_run_time.
5694 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
5695 computing elapsed time explicitly.
5696 * ggc-simple.c (ggc_collect): Likewise.
5697 (gc_time): Remove declaration.
5699 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5701 * calls.c (combine_pending_stack_adjustment_and_call): New function.
5702 (expand_call): Use it.
5704 2000-04-27 Jan Hubicka <jh@suse.cz>
5706 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
5709 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5711 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
5714 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
5716 * function.c (epilogue_done): Pass whole insn to record_insns.
5718 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
5720 * cse.c (CSE_ADDRESS_COST): Remove.
5721 (find_best_addr): Add new parameter "MODE", use address_cost instead
5723 (address_cost): New.
5724 (fold_rtx): Update call of find_best_addr.
5725 * rtl.h (address_cost): Declare.
5726 * loop.c (general_induction_var): Add new parameter "MODE", use
5727 address_cost instead of ADDRESS_COST
5728 (init_loop): Use address_cost instead of ADDRESS_COST.
5729 (check_insn_for_givs): Update call of general_induction_var.
5730 (find_mem_givs): Likewise.
5731 (consec_sets_giv): Likewise.
5732 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
5733 * i386.c (ix86_address_cost): New.
5734 * i386-protos.h (ix86_address_cost): Declare.
5736 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
5738 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
5741 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
5743 * expr.c (store_expr): Use clear_storage instead of direct memset
5746 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
5748 * config/mn10300/mn10300.c (mn10300_address_cost): Test
5749 ASHIFT, AND and LABEL_REF.
5751 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
5753 * invoke.texi (-foptimize-sibling-calls): Fix.
5755 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
5757 * loop.c (load_mems) Don't use hard registers for the hoisting.
5759 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
5760 calculation; rename const_equiv array in the preconditioning code
5761 from loop_unroll to loop_unroll_precondition
5763 2000-04-27 Richard Henderson <rth@cygnus.com>
5765 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
5767 (propagate_one_insn): Clear it. Don't update reg_live here.
5768 (init_propagate_block_info): Update for pbi member changes.
5769 (free_propagate_block_info): Likewise.
5770 (mark_set_1): Know that zero_extract, sign_extract, and
5771 strict_low_part don't kill their argument. Alter hard subregs.
5772 Update new_set for non-CLOBBER sets. Update reg_live.
5773 (find_auto_inc): Update reg_live, not new_dead.
5774 (mark_used_reg): Update reg_live, not new_live. Examine new_set
5775 to determine if the reg in question was set this insn. Only update
5776 reg info with PROP_REG_INFO.
5778 2000-04-26 Richard Henderson <rth@cygnus.com>
5780 * flow.c (allocate_reg_life_data): Set max_regno here ...
5781 (life_analysis): ... not here.
5783 * flow.c (calculate_global_regs_live): Force stack pointer
5786 2000-04-26 Richard Henderson <rth@cygnus.com>
5788 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
5789 commit change group changes.
5790 (invert_exp_1): Similarly.
5791 (redirect_exp, invert_exp): Use them.
5792 (redirect_jump_1): New.
5793 (invert_jump_1): New.
5794 (jump_optimize_1): Remove code subsumed by condexec.c.
5795 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
5797 2000-04-26 Richard Henderson <rth@cygnus.com>
5799 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5801 * genconfig.c (main): Set all HAVE_foo to 1.
5803 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5805 2000-04-26 Alex Samuel <samuel@codesourcery.com>
5807 * invoke.texi: Document -fssa flag.
5809 2000-04-26 Richard Henderson <rth@cygnus.com>
5811 * flow.c (count_reg_sets_1): Remove.
5812 (count_reg_sets, count_reg_references): Remove.
5813 (recompute_reg_usage): Implement with update_life_info.
5814 Reallocate life data.
5816 2000-04-26 Richard Henderson <rth@cygnus.com>
5818 * flow.c (update_life_info): Consider blocks null to mean the
5820 (calculate_global_regs_live): Likewise.
5821 (life_analysis): Do that instead of collecting all_blocks.
5823 2000-04-26 Richard Henderson <rth@cygnus.com>
5825 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5826 a still-valid conditional jump.
5828 2000-04-26 Richard Henderson <rth@cygnus.com>
5830 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5832 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5833 * flow.c (calculate_loop_depth): Remove.
5834 * output.h (calculate_loop_depth): Don't declare.
5835 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
5836 inline; run estimate_probability at the same time.
5838 2000-04-26 Neil Booth <NeilB@earthling.net>
5840 * cpplib.h: "~=" is not a single pp-token.
5841 * cpplex.c: Correct commentary.
5843 2000-04-26 Richard Henderson <rth@cygnus.com>
5845 * flow.c (mark_set_1): New arguments code and flags; update all
5846 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
5847 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
5848 loop_depth when optimizing for size. Do new_dead update after
5849 emitting REG_UNUSED notes. Merge mark_set_reg code.
5850 (mark_set_reg): Remove.
5851 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5852 arrange to not emit REG_UNUSED notes.
5854 2000-04-26 Richard Henderson <rth@cygnus.com>
5856 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5857 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5859 2000-04-26 Richard Henderson <rth@cygnus.com>
5861 * flow.c (propagate_one_insn): Break out from propagate_block.
5862 (init_propagate_block_info): Likewise.
5863 (free_propagate_block_info): Likewise.
5864 (propagate_block): Use them. Export.
5865 * basic-block.h: Declare them all.
5867 2000-04-26 Richard Henderson <rth@cygnus.com>
5869 * basic-block.h (life_analysis): Declare here ...
5870 * output.h: ... not here.
5871 * flow.c (life_analysis): Remove nregs parameter; replace
5872 remove_dead_code with flags. Remove ssa dead code check.
5873 Only init alias analysis if we'll use it.
5874 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
5875 * ssa.c (convert_to_ssa): Likewise.
5876 (convert_from_ssa): Likewise.
5877 * toplev.c (rest_of_compilation): Likewise.
5879 2000-04-26 Richard Henderson <rth@cygnus.com>
5881 * flow.c (flow_delete_block): Rename from delete_block. Export.
5882 * basic-block.h (flow_delete_block): Declare.
5884 2000-04-26 David S. Miller <davem@redhat.com>
5886 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
5887 taking a PATTERN of it.
5889 2000-04-26 <NeilB@earthling.net>
5891 * cpplex.c (spell_other, spell_char): Remove.
5893 (token_spelling, trigraph_map): Use unsigned chars.
5894 (_cpp_lex_line): Tidy up the switch statement.
5895 * cpplib.h: Implement spell_char with spell_string.
5898 2000-04-26 <RodneyBrown@pmsc.com>
5900 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5901 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5903 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5905 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5906 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5907 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5908 dwarf2out_return_save, dwarf2out_return_reg,
5909 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5910 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5911 gen_compile_unit_die, dwarf2out_init): Constify a char*.
5913 * dwarf2out.h (dwarf2out_init): Likewise.
5915 * dwarfout.c (filename_entry, primary_filename, last_filename,
5916 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5918 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5919 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
5920 dwarf2out_return_reg): Likewise.
5922 2000-04-26 Andreas Jaeger <aj@suse.de>
5924 * extend.texi (Function Attributes): Fix description of pure
5927 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5929 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
5930 before calling rest_of_compilation.
5932 2000-04-26 Andreas Jaeger <aj@suse.de>
5934 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
5937 2000-04-25 Richard Henderson <rth@cygnus.com>
5939 * cse.c (cse_insn): Emit barrier after unconditional jump.
5941 * calls.c (expand_call): Disable tail call generation once
5942 rtx_equal_function_value_matters is false.
5944 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
5947 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
5949 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
5951 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
5953 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
5954 is the primary DIE for a member function.
5955 (gen_decl_die): Call set_decl_origin_self here.
5956 * dwarfout.c (output_decl): And here.
5957 * integrate.c (output_inline_function): Not here.
5958 Don't clear DECL_INLINE until after calling rest_of_compilation.
5959 (set_decl_origin_self): No longer static.
5960 * tree.h: Add prototype.
5961 * toplev.c (note_deferral_of_defined_inline_function): Only write
5962 out abstract instance for actual inlines.
5964 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
5966 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
5967 EXTENDED_REGS only if TARGET_AM33.
5968 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
5969 SP_REGS to register allocation and reloading unless absolutely
5971 (movsi3): Remove special-case of adding non-constants to SP.
5973 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5975 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
5976 INCLUDES to search and does not provide any of its own. Also it
5977 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
5978 parameters. Also it does not call AC_DEFINE.
5979 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
5980 AC_DEFINE and provides for automatic entries for autoheader.
5981 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
5983 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
5984 so we can pass -I flags and include gansidecl.h/system.h in this
5987 * acconfig.h: Delete all NEED_DECLARATION_* entries.
5989 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5991 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5992 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5993 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
5995 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5996 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5997 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
5998 for these macros. Clean up spacing and linewraps.
6000 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6002 * calls.c (expand_call): Use get_callee_fndecl.
6004 * print-tree.c (print_node): Print the chain of an _EXPR.
6006 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6007 Jim Wilson <wilson@cygnus.com>
6008 Andrew Haley <aph@cygnus.com>
6010 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6011 and gp save/restore problems.
6012 * config/ia64/crtend.asm: Add IA-64 unwind support.
6013 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6014 in fr_pad_size calculation.
6015 (save_restore_insns): Move PR save area. Correct uses of
6016 RTX_FRAME_RELATED_P.
6017 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6018 (ia64_expand_epilogue): Add eh_epilogue support.
6019 (ia64_function_prologue): Emit .prologue directive.
6020 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6021 (ia64_override_options): Set init_machine_status and
6022 mark_machine_status.
6023 (rtx_needs_barrier): Handle bsp reads and writes.
6024 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6025 New static variables.
6026 (process_set, process_for_unwind_directive): New functions.
6027 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6028 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6029 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6031 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6032 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6033 (struct machine_function): Define.
6034 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6036 2000-04-25 Bruce Korb <bkorb@gnu.org>
6038 * fixinc/Makefile.in: make the removal of old programs more
6040 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6041 install-bin and install-sh
6043 2000-04-25 Nick Clifton <nickc@cygnus.com>
6045 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6046 defined, define to return zero.
6047 (function_cannot_inline_p): If a function has any target
6048 specific attributes, then use the macro
6049 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6050 whether it can be inlined. If it cannot, issue a suitable
6053 * tm.texi: Add a new node 'Inlining' to document the new macro
6054 FUNCTION_ATTRIBUTE_INLINABLE_P.
6056 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6058 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6061 2000-04-25 Neil Booth <NeilB@earthling.net>
6063 Restore previous patch, plus the following fixes:
6065 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6066 flags, not CPP_OPEN_PAREN.
6067 * cpplex.c (expand_token_space, init_token_list,
6068 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6069 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6071 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6073 * config/i386/freebsd.h (INT_ASM_OP): Define.
6075 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6077 * loop.c (strength_reduce): Fix typo in the last checkin.
6079 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6081 * stor-layout.c (finalize_record_size): Simplify to use existing
6083 (compute_record_mode): No longer static.
6084 * tree.h (compute_record_mode): New declaration.
6086 2000-04-25 Neil Booth <NeilB@earthling.net>
6088 * Revert my patch below until cause of build failures
6091 2000-04-25 Richard Henderson <rth@cygnus.com>
6093 * combine.c (combine_instructions): Add missing argument
6096 * toplev.c (rest_of_compilation): Delay sibcall optimization
6097 until after emit_eh_context.
6099 2000-04-24 Nick Clifton <nickc@redhat.com>
6101 * combine.c (combine_instructions): Do not try to combine a
6102 sequence of insns when the second insn has been replaced by a
6105 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
6107 * gcc.c (load_specs): New static function.
6108 (read_specs): Use it.
6110 * gcc.c (lookup_compiler): Make multiple passes for case
6111 insensitive filesystems.
6113 2000-04-24 Neil Booth <NeilB@earthling.net>
6115 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
6116 * cpphash.h (_cpp_check_directive): new.
6117 * cpplex.c (handle_newline, cpp_free_token_list,
6118 init_trigraph_map, trigraph_ok, trigraph_replace,
6119 backslash_start, skip_block_comment, skip_line_comment,
6120 skip_whitespace, parse_name, parse_number, parse_string,
6121 copy_comment, _cpp_lex_line, spell_char, spell_string,
6122 spell_comment, spell_name, spell_other, _cpp_lex_file,
6123 _cpp_output_list): new.
6124 (expand_name_space): take length argument.
6125 (init_token_list): add comment list initialisation.
6126 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
6127 instead of HSPACE_BEFORE.
6129 * cpplib.c (_cpp_check_directive): new
6130 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
6131 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
6132 (HSPACE_BEFORE): delete.
6133 (TTYPE_TABLE): rearrange.
6134 (struct cpp_toklist): update.
6136 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6138 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
6139 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
6140 argument form of AC_DEFINE.
6142 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
6143 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
6144 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
6145 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
6146 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
6148 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
6150 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6152 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
6153 deduced.h): Use -isystem, not -I, for including system headers.
6155 2000-04-24 Nick Clifton <nickc@cygnus.com>
6157 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
6158 the source register is the frame pointer or arg pointer.
6159 (addsi3_small_int): Disallow if source register is the frame
6160 pointer or arg pointer.
6162 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6164 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
6165 call to AC_MSG_RESULT.
6167 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6169 * invoke.texi: Correct grammatical errors, document
6170 -fno-gnu-keywords as identical to -fno-asm for C++.
6172 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6174 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
6175 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
6176 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
6177 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
6178 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
6180 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
6181 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
6182 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
6183 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
6186 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
6188 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
6189 (pop_alignment): Likewise.
6190 (handle_pragma_token): Likewise.
6192 2000-04-24 Robert Lipe <robertlipe@usa.net>
6194 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
6196 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
6198 * combine.c (try_combine): Update reg_nonzero_bits of
6199 newi2pat before newpat.
6201 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
6203 * loop.c (strength_reduce): Simplify test to INSN_P.
6204 (record_giv): Attempt to simplify the add value, use CONSTANT_P
6205 expressions instead of CONST_INT.
6206 (express_from_1): Likewise.
6208 2000-04-24 Mark Mitchell <mark@codesourcery.com>
6210 * regs.h (reg_n_max): Don't declare.
6211 * flow.c (reg_n_max): Don't define.
6212 * regclass.c (renumber): Don't initialize to zero.
6213 (regno_allocated): Likewise.
6214 (reg_n_max): Define.
6215 (allocate_reg_info): Don't initialize unnecessarily.
6217 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
6219 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
6220 and blockage_p in the newly allocated attribute.
6222 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
6224 * config/mn10300/mn10300.md (addsi): `inc4' on address
6225 registers does not modify cc, but `inc' on an extended
6228 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
6230 * reload.c (find_equiv_reg): Checks all valueno regs
6231 as a reload_reg_p regs.
6233 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6235 * cpphash.c (collect_objlike_expansion): Add sanity check.
6236 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
6237 the buffer is the empty string, return. Mark __DATE__ and
6238 __TIME__ as XCONST nodes, not MCONST.
6239 (_cpp_macroexpand): Avoid pushing an empty buffer.
6240 (funlike_macroexpand): Don't pop token_buffer here.
6242 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
6244 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
6245 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
6246 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
6247 (REGNO_OK_FOR_BASE_P): Define in terms of them.
6248 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
6249 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
6250 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
6252 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6254 * loop.c (simplify_giv_expr): Be more agressive on simplifying
6257 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6259 * cpphash.h (struct definition): Move file, line, col members...
6260 (struct hashnode): ... here. Also add 'disabled' flag.
6261 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
6262 T_IDENTITY. Remove T_DISABLED.
6265 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
6266 (collect_expansion): Split into collect_objlike_expansion and
6267 collect_funlike_expansion.
6268 (_cpp_macroexpand): Split out scan_arguments, stringify, and
6269 funlike_macroexpand.
6270 (_cpp_compare_defs): Rename compare_defs, make static.
6271 (_cpp_make_hashnode): Initialize hp->disabled.
6272 (macro_cleanup): Adjust for new token types. Clear
6274 (_cpp_create_definition): Move code here to determine what
6275 sort of macro it is, and code to check for redefinitions, from
6276 do_define. Implement a few simple cases without creating a
6278 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
6279 Handle the simple cases.
6280 (push_macro_expansion): Set buf->has_escapes and hp->disabled
6283 * cppinit.c (builtin_array): Change MCONST to XCONST
6285 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
6286 fix check for disabled and function-like macros.
6287 * cpplib.c (do_define): Move most logic to
6288 _cpp_create_definition.
6289 (do_undef): Handle new special token types.
6291 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
6293 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
6294 of CONSTANT_P for mult_val; always use validate_change to update insn.
6296 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
6298 * cpphash.c (trad_stringify, add_pat): New functions.
6299 (collect_expansion): Restore support for -traditional syntax.
6300 Use trad_stringify and add_pat.
6301 (_cpp_macroexpand): Restore support for -traditional semantics.
6302 * cpplex.c (_cpp_scan_line): Don't change space_before if we
6303 get a COMMENT token.
6304 (_cpp_lex_token): Provide COMMENT tokens to caller if
6305 traditional and parsing_define_directive.
6306 (skip_comment): Warn about // comments if -Wtraditional.
6307 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
6309 (do_undef): Don't warn about undefining EMPTY nodes.
6311 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6313 * loop.c (strength_reduce): Fix biv removal code.
6315 2000-04-22 Richard Henderson <rth@cygnus.com>
6317 * predict.c (estimate_probability): Examine both sides of
6318 a branch for no exits. Use 90% not 50% for predict taken.
6319 Reorg for one copy of note generation code.
6321 2000-04-22 Richard Henderson <rth@cygnus.com>
6323 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
6325 2000-04-22 Richard Henderson <rth@cygnus.com>
6327 * diagnostic.c (init_output_buffer): Don't initialize format_args.
6328 (output_clear): Likewise.
6329 (output_printf): Use va_copy.
6330 (vline_wrapper_message_with_location): Likewise.
6331 (v_message_with_decl): Likewise.
6332 (line_wrapper_printf): VA_START infor buffer.format_args directly.
6333 * system.h (va_copy): Provide default implementation.
6335 2000-04-22 Richard Henderson <rth@cygnus.com>
6337 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
6338 the collected condition is not a constant.
6340 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
6342 * diagnostic.h: New file.
6344 * Makefile.in (diagnostic.o): Depends on diagnostic.h
6346 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
6347 various function prototypes.
6348 (diagnostic.h): #include.
6349 (struct output_buffer): Move into diagnostic.h.
6350 (get_output_prefix): Rename to output_get_prefix. Export.
6351 (init_output_buffer): Export. Break out. Ajust intialization.
6352 (output_space_left, output_append): Export.
6353 (output_newline): Rename to output_add_newline. Export.
6354 (output_clear): Nullify additional output_buffer fields.
6355 (output_puts): Rename to output_add_string. Export.
6356 (dump_output): Rename to output_flush_on. Export.
6357 (build_location_prefix): Constify return-type.
6358 (emit_output_prefix): Rename to output_emit_prefix. Export.
6359 (set_real_maximum_length): New function.
6360 (output_set_maximum_length): Ditto
6361 (output_clear): Ditto.
6362 (output_add_character): Ditto.
6363 (output_add_integer): Ditto.
6364 (output_add_space): Ditto.
6365 (output_format): Ditto.
6366 (output_printf): Adjust buffer initialization.
6367 (vline_wrapper_message_with_location): Ditto.
6368 (v_message_with_decl): Ditto. Adjust call to output_puts
6369 and get_output_prefix.
6370 (default_print_error_function): Adjust buffer intialization.
6372 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6374 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
6377 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
6379 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
6382 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6384 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
6385 accurate data about SP moves.
6387 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
6389 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
6390 aliases to AM33 registers.
6392 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6394 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
6395 to all EXTENDED bitmaps.
6397 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
6399 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
6400 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
6401 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
6403 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
6405 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
6406 the operand is not constant.
6408 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
6410 * reload.c (find_equiv_reg): Checks all valueno and regno regs
6411 as a call-clobbered regs.
6413 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6415 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
6417 * rtl.def: Update comment.
6418 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
6419 * integrate.c (expand_inline_function): Likewise.
6420 * profile.c (branch_prob): Likewise.
6421 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
6422 * print-rtl.c (print_rtx): Likewise.
6423 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
6424 (reemit_notes): Likewise; also use enum insn_note.
6426 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
6427 (place_field): Properly compute know and actual alignment.
6429 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
6432 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
6435 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
6437 * cpphash.c (struct arg, struct arglist): Const-ify strings.
6438 (warn_trad_stringify, duplicate_arg_p): New helper functions.
6439 (collect_expansion): Rewrite to scan over a token list.
6440 Remove -traditional support.
6441 (collect_formal_parameters): Rename to collect_params; rewrite
6442 to scan over a token list.
6443 (_cpp_create_definition): Adjust to scan a token list.
6444 (_cpp_macroexpand): Remove -traditional support.
6445 (_cpp_compare_defs): Whitespace is now canonicalized.
6446 (comp_def_part): Delete function.
6448 * cpphash.h: Update prototypes.
6449 * cpplex.c (init_token_list): Don't set lineno if there is no
6451 (pedantic_whitespace): New function.
6452 (_cpp_scan_line): Mark tokens that had hspace before. Don't
6453 consume a newline. Use pedantic_whitespace.
6454 (_cpp_lex_token): Remove support for -traditional macros.
6455 (_cpp_get_define_token): Delete.
6456 (_cpp_get_directive_token): Do the real work here. Use
6457 pedantic_whitespace.
6458 (_cpp_init_input_buffer): Initialize pfile->directbuf.
6460 * cpplib.c (get_macro_name): Delete.
6461 (do_define): Read the entire line into pfile->directbuf, then
6462 feed the token list to _cpp_create_definition.
6463 * cpplib.h (HSPACE_BEFORE): new define.
6464 (struct cpp_reader): Add a toklist member, "directbuf".
6466 * predict.c (estimate_probability): New heuristic: if a jump
6467 branches around a block with no successors, predict it taken.
6468 Disentangle control flow.
6470 2000-04-20 Richard Henderson <rth@cygnus.com>
6472 * loop.c (emit_iv_add_mult): Revert last change.
6474 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6476 * cpplib.h (enum cpp_ttype): Add token types for all
6477 punctuators. Distinguish pp-numbers from valid C numbers.
6478 Give some tokens better names. Initialize from macro.
6479 (struct cpp_name, cpp_token, cpp_toklist): New data
6482 * cpplex.c (bump_column, expand_name_space,
6483 expand_token_space, init_token_list, cpp_output_list,
6484 _cpp_scan_line): New functions.
6485 (output_line_command): Add third argument, new line number.
6486 * cpphash.h: Update prototypes.
6487 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
6490 2000-04-20 Richard Henderson <rth@cygnus.com>
6492 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
6494 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6496 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
6499 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
6501 * loop.c (emit_iv_add_mult): Simplify it's input and emit
6502 REG_EQUAL note explaining the calculated value.
6504 * calls.c (expand_call): Avoid unnecesary precalculation
6505 and outgoing parameters space guarding for sibling calls.
6506 (store_one_arg): Likewise.
6508 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6510 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
6511 (rest_of_compilation): Write sibling dump file and account
6512 for time as jump time.
6513 * invoke.texi: Update documentation on dump flags.
6515 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
6517 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
6519 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
6521 * cpphash.c (special_symbol): Represent an empty macro with
6522 "\r \r " not just "\r ".
6523 (_cpp_macroexpand): Correct condition for the foo ( ) special
6525 (unsafe_chars): Handle EOF as second argument.
6526 (push_macro_expansion): Simplify test for removing escape at
6527 end. Do not trim both escapes if there is no text in between.
6529 2000-04-19 Jim Blandy <jimb@redhat.com>
6531 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
6532 of PTR_SIZE, when appropriate.
6534 2000-04-19 Mark Mitchell <mark@codesourcery.com>
6536 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
6537 (USE_ENUM_BITFIELDS): Fix typo.
6539 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6541 * stor-layout.c (place_field): Set rli->offset_align properly.
6543 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6545 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
6546 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
6547 PARM_BOUNDARY): Remove unnecessary casts.
6549 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6551 * calls.c (precompute_arguments): Remove must_preallocate and
6553 (expand_call): Update call of precompute_arguments.
6555 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
6556 check_insn_for_givs): Break out from ...
6557 (strength_reduce) ... here; use for_every_insn_in_loop to call
6558 check_insn_for_givs.
6559 * loop.h (for_every_insn_in_loop): Declare.
6560 (loop_insn_callback): New type.
6562 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6564 * cpplib.c (do_pragma_poison): Strings in the token buffer are
6567 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
6569 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
6572 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6574 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
6576 * configure.in: Delete --disable-cpplib option and all
6577 references to cpp_main.
6578 * configure: Regenerate.
6579 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
6580 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
6581 cccp.o, cccp, or cppmain. Link cppmain.o straight to
6582 cpp$(exeext). Add --no-headers to makeinfo command line when
6583 generating INSTALL. Install and uninstall cpp.1 manpage, not
6585 * install.texi: Delete all references to cexp.y/cexp.c.
6586 Delete ancient instructions for compiling GCC on 3b1.
6587 * INSTALL: Regenerate.
6589 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
6590 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
6591 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
6593 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
6594 which is no longer tested anywhere.
6596 * cppinit.c (handle_option): Don't run error message through
6599 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6601 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
6602 * cpperror.c (hashtab.h): Now include.
6603 * cppexp.c (hashtab.h): Likewise.
6604 * cpplex.c (hashtab.h): Likewise.
6605 * cppfiles.c (hashtab.h): Likewise.
6606 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
6607 to htab_find_slot_with_hash.
6608 * cpphash.c (hashtab.h): Now include.
6609 (_cpp_lookup_slot): INSERT is now enum insert_option.
6610 * cpphash.h (_cpp_lookup_slot): Likewise.
6611 * cppinit.c (hashtab.h): Include earlier.
6612 (initialize_builtins): Pass enum to htab_find_slot.
6613 * cpplib.c (hashtab.h): Now include.
6614 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
6615 (do_pragma_poison, do_assert): Likewise.
6616 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
6617 htab_find_slot_with_hash.
6618 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
6619 * tree.c (type_hash_add): Likewise.
6620 (build1): Minor cleanup.
6622 * ggc-common.c: Add missing blanks.
6623 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
6624 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
6626 * stmt.c (mark_case_node): New function.
6627 (mark_case_nesting): Call it.
6629 * expmed.c (emit_store_flag): If comparing two-word integer
6630 with zero, can optimize NE, EQ, GE, and LT.
6632 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
6633 * conflict.c: Minor cleanups.
6634 * optabs.c: Add blank line
6635 * simplify-rtx.c: Minor cleanups.
6637 2000-04-18 Stan Cox <scox@cygnus.com>
6639 * gengenrtl.c (genlegend): Fix misspelling.
6641 2000-04-18 Robert Lipe <robertlipe@usa.net>
6643 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
6644 bitfields of the host compiler are not signed quantities.
6645 * config.in: Regenerate.
6646 * configure: Regenerate.
6647 * system.h (USE_ENUM_BITFIELDS): Added.
6648 (ENUM_BITFIELDS): Added.
6649 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
6650 (SHORT_ENUM_BUG): Deleted.
6651 * tree.h (tree_common): Members `code', `mode', `built_in_class',
6653 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
6654 (CODE_FIELD_BUG): Likewise.
6655 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
6657 * config/m68k/x-ccur (X_CFLAGS): Likewise.
6659 2000-04-18 Mark Mitchell <mark@codesourcery.com>
6661 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
6664 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6666 * cppexp.c (lex): Don't assume tokens are NUL terminated.
6667 * cpplib.c (do_include, do_import, do_include_next,
6668 read_line_number, detect_if_not_defined): Likewise.
6669 * cpphash.c (collect_expansion): Likewise.
6670 (special_symbol, _cpp_macroexpand): Check return from
6672 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
6673 macros. Delete all uses.
6675 * gcc.dg/cpp-mi.c: Add two more test cases.
6676 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
6678 2000-04-17 Richard Henderson <rth@cygnus.com>
6680 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
6681 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
6683 2000-04-17 Mark Mitchell <mark@codesourcery.com>
6685 * function.c (expand_function_start): Use hard_function_value to
6686 compute the RTL to use for DECL_RESULT.
6688 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6690 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
6691 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6692 x86_memory_mismatch_stall): New global variables.
6693 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
6694 alloved; fix load penalties for Athlon.
6695 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6696 x86_memory_mismatch_stall): Declare.
6697 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
6698 TARGET_MEMORY_MISMATCH_STALL): New.
6699 * i386.md (athlon scheduling parameters): Fix latencies according to
6700 Athlon Optimization Manual.
6701 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
6703 (fsqrt instruction patterns): Set athlon_decode to direct.
6704 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
6705 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
6706 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
6707 and TARGET_PARTIAL_REGISTER_STALL machines.
6708 (pushdf_nointeger): New pattern.
6709 (pushdf_integer): Rename from pushdf.
6710 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
6711 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
6713 2000-04-17 Richard Henderson <rth@cygnus.com>
6715 * loop.c (canonicalize_condition): Add WANT_REG argument.
6716 Stop the search if we match it.
6717 * expr.h (canonicalize_condition): Update decl.
6718 * predict.c (expected_value_to_br_prob): Use it. Track last
6719 expected value note.
6720 (find_expected_value): Remove.
6722 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
6724 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6726 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
6727 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6729 * configure.in: Call AC_FUNC_MMAP_FILE.
6730 * configure: Regenerate.
6731 * config.in: Regenerate.
6733 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
6734 * fixinc/fixincl.c: Likewise.
6736 2000-04-17 Richard Henderson <rth@cygnus.com>
6738 * builtins.c (expand_builtin_expect): New.
6739 (expand_builtin): Call it.
6740 * builtins.def (BUILT_IN_EXPECT): New.
6741 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
6742 * extend.texi: Document it.
6744 * predict.c (expected_value_to_br_prob): New.
6745 (find_expected_value): New.
6746 * basic-block.h (expected_value_to_br_prob): Declare.
6747 * toplev.c (rest_of_compilation): Invoke it.
6749 * rtl.h (NOTE_EXPECTED_VALUE): New.
6750 (NOTE_INSN_EXPECTED_VALUE): New.
6751 * rtl.c (note_insn_name): Update.
6752 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
6753 cases; handle NOTE_INSN_EXPECTED_VALUE.
6755 2000-04-17 Jakub Jelinek <jakub@redhat.com>
6757 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
6758 leaf sibcall delay slot if flag_pic.
6759 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
6761 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6763 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
6765 * fixproto: If fix-header fails, exit with an error.
6767 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6769 * cse.c (struct check_depdendence_data): New.
6770 (check_dependence): New function.
6771 (invalidate): Use check_depdenence.
6773 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6775 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
6776 UNITS_PER_WORD is unsigned.
6778 * tree.h (struct tree_common): Remove misleading comment.
6780 2000-04-16 Dave Pitts <dpitts@cozx.com>
6782 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6783 message in quotes. Otherwise, IBM's make program treats the '#' as the
6784 start of a comment and ignores the remainder of the line.
6786 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
6788 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6789 * cexp.y (initialize_random_junk): Likewise.
6790 * cppfiles.c (find_include_file): Cast alloca return value.
6791 * cppinit.c (initialize_standard_includes): Likewise.
6792 * cpplib.c (cpp_define, cpp_undef): Likewise.
6793 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6794 * final.c (output_asm_insn): Allow for holes in EBCDIC.
6795 * fold-const.c (CHARMASK): New.
6796 (real_hex_to_f): Use it.
6797 * real.c (CHARMASK): New.
6798 (etoasc, asctoeg): Use it.
6799 (asctoeg): EBCDIC lower case characters preceed upper case.
6801 * i370.c (mvs_add_label): Change spacing for coding conventions.
6802 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6803 outputing case vectors.
6804 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6805 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6806 since vector in in the data CSECT.
6807 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6808 * i370.md (Many patterns): Put the length in the XL directives.
6809 (movdi): Put back STM and MVC in definition.
6810 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6811 pattern using the TCA.
6812 * oe.h (CPP_SPEC): Added to allow trigraphs.
6813 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6814 not support the "long long" type.
6816 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6818 * config/mips/mips-protos.h (mips_legitimate_address_p): New
6820 (mips_reg_mode_ok_for_base_p): Likewise.
6821 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6822 (REG_OK_FOR_INDEX_P): Define unconditionally.
6823 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6824 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6825 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6826 that GET_MODE_SIZE is unsigned.
6827 (mips_reg_mode_ok_for_base_p): Define.
6828 (mips_legitimate_address_p): Likewise. Adjust now
6829 that GET_MODE_SIZE is unsigned.
6830 (block_move_loop): Make the number of bytes unsigned.
6831 (expand_block_move): Likewise.
6832 (function_arg): Make the loop counter unsigned to match the
6835 2000-04-16 Richard Henderson <rth@cygnus.com>
6837 * rtl.h (enum insn_note): New enumeration. Subsume
6838 NOTE_INSN_DELETED and friends.
6839 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6840 * rtl.c (note_insn_name): Tweak string order.
6842 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
6844 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6847 * cpplex.c (output_line_command): Remove debugging prints.
6848 (cpp_output_tokens): Don't write out a zero-length buffer or
6849 try to see if it has a newline in it.
6850 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
6851 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
6852 the end of the loop. Use memmove. Don't read past the end of
6853 the buffer. Remove trailing newlines from error messages.
6855 2004-04-16 Neil Booth <NeilB@earthling.net>
6857 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6858 * cpplib.c: Add new syntax flags to directive table, and
6861 2000-04-15 Ulrich Drepper <drepper@redhat.com>
6863 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6866 2000-04-15 David Edelsohn <edelsohn@gnu.org>
6868 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
6869 * haifa-sched.c: Update -fsched-verbose comments to use "=".
6871 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6873 * Makefile.in (ggc-page.o): Now includes toplev.h.
6874 * ggc-page.c (toplev.h): Now included.
6875 (gc_time): Remove declaration.
6876 (ggc_collect): TIME now long.
6877 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
6879 * toplev.h (gc_time, parse_time, gc_time): New declarations.
6881 * toplev.c: Make *_time variable long to reduce chance of overflow.
6882 (TIMEVAR): Likewise for `otime'.
6883 (print_time): Arg is now long; compute percentage in FP and round.
6884 * toplev.h (print_time): Arg is long.
6886 * tree.c: Minor whitespace changes.
6888 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6889 * configure: Rebuilt.
6890 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6891 (__fixunsxfDI): Renamed from __fixunsxfdi.
6892 (__fixunsdfDI): Renamed from __fixunsdfdi.
6893 (__fixunssfDI): Renamed from __fixunssfdi.
6894 (__floatdisf): Use proper type in REP_BIT macro.
6895 (__fixunsxfSI): Renamed from __fixunsxfsi.
6896 (__fixunsdfSI): Renamed from __fixunsdfsi.
6897 (__fixunssfSI): Renamed from __fixunssfsi.
6898 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6899 Change location of macros and upper-case some names as above.
6900 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6901 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6903 * varasm.c (assemble_variable): Add cast to remove warning.
6904 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6906 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6907 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6908 region number to -1.
6910 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
6912 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6913 call unshare_all_rtl.
6915 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6917 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
6919 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
6920 Use .s1 not .s0 for all FP instructions.
6922 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
6924 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
6926 (safe_fwrite, output_line_command): New static functions.
6927 (cpp_expand_to_buffer): Now private to cpplib.
6928 (cpp_scan_buffer): Take a printer.
6930 * cpphash.h: Update prototypes.
6931 * cpplib.h: Update prototypes.
6933 (cpp_buffer): Remove last_nominal_fname.
6934 (cpp_reader): Remove lineno.
6936 * cppmain.c: Use a cpp_printer.
6937 * fix-header.c: No need to inhibit line commands. Call
6938 cpp_start_read with no printer.
6940 * cpperror.c (cpp_notice_from_errno): Provide default name.
6941 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
6942 (find_include_file, cpp_read_file): Use make_IHASH.
6943 (file_cleanup): Set control_macro and clear
6944 input_stack_listing_current here.
6945 (_cpp_execute_include): Don't output entering-file marker.
6946 * cpphash.c (special_symbol): Look for the line number in the
6947 buffer, not the reader.
6948 (_cpp_macroexpand): No need to disable line commands.
6949 (_cpp_dump_definition): No need to generate line commands.
6950 (dump_hash_helper): Remove excess newline from output.
6951 * cppinit.c (dump_special_to_buffer): No need to generate line
6953 (cpp_printer_init): New.
6954 (cpp_start_read): Take a printer, and start it up if it's not
6955 NULL. No need to generate line commands.
6956 (cpp_finish): Expect no buffers stacked at all. Take a
6957 printer argument, and flush the output buffer if it's not
6959 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
6960 Don't put two hashes at the beginning of an assertion.
6961 (cpp_get_token): Don't increment pfile->lineno or emit line
6962 commands here. Return EOF if there's no buffer when we get
6964 * cpplib.c (do_define, skip_if_group):
6965 No need to disable line commands.
6966 (_cpp_output_line_command): Delete function.
6967 (do_line): Don't emit line commands here, but set things up so
6968 they will be emitted if necessary. Use _cpp_fake_ihash to
6969 make unique nominal_fnames if necessary.
6970 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
6971 with 0 for column, not -1.
6972 (_cpp_handle_eof): Don't set the control macro here. Don't
6973 clear input_stack_listing_current here. Don't emit line
6976 2000-04-14 Geoff Keating <geoffk@cygnus.com>
6978 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
6979 always, use the default SVR4 start address.
6981 * config/rs6000/linux.h (LINK_SPEC): Don't define.
6982 (LINK_SHLIB_SPEC): Define.
6983 (LINK_START_DEFAULT_SPEC): Define.
6984 (LINK_OS_DEFAULT_SPEC): Define.
6986 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
6988 * config/rs6000/eabi.asm (__eabi): Call __init rather than
6989 __do_global_ctors to handle constructors.
6990 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
6991 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
6992 (STARTFILE_MVME_SPEC): Likewise.
6993 (STARTFILE_SIM_SPEC): Likewise.
6994 (ENDFILE_ADS_SPEC): Use crtend.
6995 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
6996 (ENDFILE_MVME_SPEC): Likewise.
6997 (ENDFILE_SIM_SPEC): Likewise.
6998 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
6999 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7000 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7001 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7002 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7003 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7004 (CRTSTUFF_T_CFLAGS_S): Define.
7005 * config/rs6000/eabi-ctors.c: Delete.
7007 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7010 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7014 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7016 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7017 plus mask size is smaller or equal to the mode size.
7019 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7021 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7024 * expr.c (reload.h): Now included.
7025 (emit_block_move): Set volatile_ok when checking for movstr.
7026 (emit_move_1): Check for replacements in addresses in multi-word case.
7027 * Makefile.in (expr.o): Now includes reload.h.
7029 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7030 Never have a LIBCALL end a basic block.
7031 (find_basic_blocks_1): Likewise.
7032 Reorganize CALL_INSN cases.
7034 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7036 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7038 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7039 completers from mov.ret instruction.
7041 2000-04-14 Richard Henderson <rth@cygnus.com>
7043 * fold-const.c (extract_muldiv): Don't distribute and widen
7044 multiply across plus for non-sizetype unsigned types.
7046 2000-04-14 Richard Henderson <rth@cygnus.com>
7048 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7049 If the original source is dead in the incr insn, it's dead now.
7051 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7053 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7054 see if DECL_BIT_FIELD needs to still be set.
7056 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7058 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7059 print_int_cst_octal with something that's not an INTEGER_CST.
7061 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7062 and not a SUBREG to a FLOAT rtl.
7064 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7066 * emit-rtl.c (try_split): Avoid infinite loop if the split
7067 results in a sequence that contains the original insn.
7069 2000-04-13 Andreas Jaeger <aj@suse.de>
7071 * config/mips/mips.c (expand_block_move): Pass alignment
7072 argument to move_by_pieces in bits, not bytes.
7074 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7075 __pic__ for little endian.
7077 2000-04-13 Andreas Jaeger <aj@suse.de>
7079 * config/i386/i386-protos.h: Add prototype for
7080 uno_comparison_operator.
7082 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7084 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7085 * calls.c (ECF_PURE): New flag.
7086 (emit_call_1): Handle ECF_PURE calls.
7087 (initialize_argument_information): Unset ECF_PURE flag too.
7088 (precompute_arguments): Precompute for ECF_PURE too.
7089 (expand_call): Handle ECF_PURE calls too.
7090 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7091 accept value of 2 as pure function.
7092 (emit_library_call_value, emit_library_call): Rename no_queue argument
7094 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7096 * tree.h (DECL_IS_PURE): New macro.
7097 (struct tree_decl): Add pure_flag.
7098 * c-common.c (enum attrs): Add attribute "pure".
7099 (init_attributes): Initialize attribute "pure"
7100 (decl_attributes): Handle attribute "pure".
7101 * extend.texi (Attribute "pure"): Document.
7102 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
7104 (flags_from_decl_or_type): Support attribute "pure".
7106 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
7108 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
7109 the token except for numbers and identifiers.
7111 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
7113 * i386.c (ix86_expand_binary_operator,
7114 ix86_expand_unary_operator): Check no_new_pseudos
7115 instead of reload_in_progress and reload_completed.
7116 (ix86_split_ashldi, ix86_split_ashrdi,
7117 ix86_split_lshrdi): Check no_new_pseudos instead
7118 of reload_completed.
7120 2000-04-12 Jeffrey A Law (law@cygnus.com)
7122 * function.c (purge_addressof): Unshare any shared rtl created by
7123 purge_addressof and its children.
7125 2000-04-12 Mark Mitchell <mark@codesourcery.com>
7127 * function.c (aggregate_value_p): VOID_TYPE nodes are never
7130 2000-04-05 Andreas Jaeger <aj@suse.de>
7132 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
7133 not compiling PIC code, add flags for mabi=64.
7134 (SUBTARGET_CPP_SIZE_SPEC): New.
7135 (SUBTARGET_CPP_SPEC): New.
7136 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
7137 for MIPS/Linux and lots of code needs these defines.
7139 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
7141 * reorg.c (fill_slots_from_thread): Check side_effects_p when
7142 trying the "opposite arithmetic" approach.
7144 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7146 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
7147 (struct sh_args): Add new field force_mem.
7148 (INIT_CUMULATIVE_ARGS): Initialize it.
7149 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
7151 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7153 * calls.c (expand_call): Do not reverse args in "equal from" field.
7154 (emit_library_call_value_1): Emit_libcall_block for const and pure
7157 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7159 * reload1.c (reload_combine): Don't enable optimization for fixed
7160 registers when encountering a BARRIER.
7162 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
7164 * builtins.c (expand_builtin_memcmp): Do expansion even with
7165 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
7167 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
7168 stack is propertly aligned; add sanity checking for aligned
7170 (expand_library_call_value_1): Add sanity checking for aligned
7173 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
7175 * calls.c (emit_library_call_value_1): Change 3rd arg to
7176 locate_and_pad_parm to disregard the setting of partial.
7178 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7180 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
7182 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
7183 CALL_INSN from the normal case.
7185 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
7187 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7188 New global variables.
7189 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
7191 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7193 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
7194 TARGET_ADD_ESP_8): New macros.
7195 * i386.md: Add peep2s to convert esp adjustments to push and pop
7197 (pushsi_prologue, popsi_epilogue): New patterns.
7199 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7201 * real.c (toe64): Remove stale #endif from the last change.
7203 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
7205 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
7206 * real.c (toe64): Revert previous change.
7208 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7210 * objc/objc-act.c: Include ggc.h.
7211 (objc_tree_index, objc_global_trees): Convert most of the
7212 static tree variables into a static array with previous names
7214 (objc_ellipsis_node): New variable.
7215 (lang_init): Call objc_act_parse_init and c_parse_init.
7216 Create objc_ellipsis_node.
7217 (build_selector_translation_table): Use objc_ellipsis_node instead
7219 (hack_method_prototype): Likewise.
7220 (get_arg_type_list): Likewise.
7221 (start_method_def): Likewise.
7222 (continue_method_def): Likewise.
7223 (gen_method_decl): Likewise.
7224 (ggc_mark_imp_list): New function.
7225 (ggc_mark_hash_table): New function.
7226 (objc_act_parse_init): New function.
7227 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
7228 * c-parse.in (c_parse_init): For objc add roots of objc specific
7229 local tree variables.
7230 * objc/objc-parse.y: Rebuilt.
7231 * objc/objc-parse.c: Rebuilt.
7232 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
7234 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
7236 * cse.c (delete_trivially_dead_insns): Also delete insns
7237 that copy a register to itself where the destination is
7240 2000-04-11 Richard Henderson <rth@cygnus.com>
7242 * flow.c (struct propagate_block_info): Add new_dead, new_live.
7243 (propagate_block): Initialize them. Use them in parallel instead
7244 of one tmp variable, ie revert much of the 0408 and 0407 functional
7245 changes, but keep the structural changes.
7246 (mark_set_regs): Take new_dead from propagate_block_info instead.
7247 (mark_set_1, mark_set_reg): Likewise.
7248 (mark_used_regs): Likewise with new_live.
7249 (mark_used_reg): Likewise. Revert 0408 change.
7251 2000-04-11 Nick Clifton <nickc@cygnus.com>
7253 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
7255 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
7257 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7259 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
7260 const section to output a CONSTRUCTOR based on the same conditions
7263 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
7265 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
7266 * pa/pa-protos.h (output_call): Add additional argument indicating
7267 if the call is a sibling/tail call.
7268 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
7269 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
7270 (function_arg, function_arg_partial_nregs): Likewise
7271 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
7272 (emit_move_sequence): Zero extend certain constants as needed
7274 (compute_zdepdi_operands, output_64bit_and): New functions.
7275 (output_64bit_ior, function_arg): Likewise.
7276 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
7277 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
7278 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
7279 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
7280 (output_bvb): Likewise.
7281 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
7282 (output_call): New argument 'sibcall'. Generate sibcall sequences
7284 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
7285 (ouput_arg_descriptor): Do not emit argument descriptors for
7287 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
7289 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
7290 (FUNCTION_OK_FOR_SIBALL): Define.
7291 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
7292 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
7293 (CPP_SPEC): Use new spec infrastructure.
7294 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
7295 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
7296 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
7297 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
7298 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
7299 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
7300 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
7301 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
7302 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
7303 (FUNCTION_ARG); Call out to C code.
7304 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7305 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
7306 (MIN_UNITS_PER_WORD): Likewise.
7307 * pa/pa.md (cmpdi): New expander.
7308 (scc patterns, movstrsi): Not available for TARGET_64BIT.
7309 (64bit conditional arithmetic): New patterns.
7310 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
7311 (movsicc): Not available if modes on all the operands to not match.
7312 (movdicc): New expander and associated patterns.
7313 (64bit branches): New patterns.
7314 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
7315 (pre_ldd, post_std): New patterns.
7316 (64bit addil, load low part): New patterns.
7317 (special movsf constant): Not available for TARGET_64BIT.
7318 (movsf, movdf expanders): Force constants into memory.
7319 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
7320 (64bit movdf/movdi patterns): New patterns.
7321 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
7323 (extendqidi2, extendhidi2, extendsidi2): Similarly.
7324 (adddi3 expander): Allow "arith_operand" for second input.
7325 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
7326 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
7327 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
7328 (muldi3): New expander for TARGET_64BIT.
7329 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
7331 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
7332 patterns for TARGET_64BIT.
7333 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
7334 patterns for TARGET_64BIT.
7335 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
7336 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
7337 (sibcall_epilogue): New expander.
7338 (casesi): Tweak for TARGET_64BIT.
7339 (call expanders): Set & use the outgoing argument pointer. Use the
7340 64bit call patterns as needed. Add additional arg to output_call.
7341 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
7342 (sibcall, sibcall_internal_symref): New expanders.
7343 (sibcall_value, sibcall_value_internal_symref
7344 (interspace_jump): Turn into an expander + matching patterns.
7345 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
7346 * pa/pa64-regs.h: Eliminate trigraph sequences.
7347 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
7349 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
7351 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
7352 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
7353 cpp_token with cpp_ttype everywhere.
7354 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
7355 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
7356 CPP_BUF_COL. Line and column numbers are unsigned int, not
7358 * cpplex.c (cpp_buf_line_and_col): Delete.
7359 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
7360 'long lineno' to 'unsigned int lineno'.
7361 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
7363 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7365 * extend.texi: ISO C99 is not a draft anymore.
7366 * invoke.texi: ISO C++ is not a draft anymore.
7367 * cpp.texi: __cplusplus is required by the ISO standard.
7369 * extend.texi (-fthis-is-variable): Undocument.
7370 * flags.h (warn_template_debugging): Remove declaration.
7371 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
7372 -Wenum-clash, -Wtemplate-debugging): Undocument.
7374 2000-04-10 Nick Clifton <nickc@cygnus.com>
7376 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
7378 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
7380 (ARM_SIGN_EXTEND): Use HOST_UINT.
7381 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
7382 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
7383 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
7384 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
7386 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
7387 (arm_gen_constant): Use HOST_UINT.
7388 (arm_canonicalize_constant): Use HOST_UINT.
7389 (arm_reload_in_hi): Use HOST_UINT.
7390 (arm_reload_out_hi): Use HOST_UINT.
7391 (output_multi_immediate): Use HOST_UINT.
7392 (int_log2): Use HOST_UINT.
7393 (arm_poke_function_name): Use HOST_UINT.
7394 (arm_output_epilogue): Use arm_volatile_func().
7395 (output_thumb_prologue): Use arm_strip_name_encoding().
7397 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7399 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
7400 of sequence point problems.
7402 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
7404 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
7406 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
7408 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7410 * sbitmap.h: Whitespace changes and use upper-case macro args.
7411 (struct simple_bitmap_def): All sizes now unsigned.
7412 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
7413 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
7414 (sbitmap_vector_alloc): Parms and local vars now unsigned.
7415 (sbitmap_zero): Cast bzero arg to PTR.
7416 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
7417 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
7418 loop to make structure clearer.
7419 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
7420 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
7421 (sbitmap_a_and_b_or_c): Likewise.
7422 (sbitmap_intersection_of_succs): Minor cleanups.
7423 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
7424 (sbitmap_union_of_preds): Likewise.
7425 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
7426 (debug_sbitmap): New function.
7428 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
7429 * c-typeck.c (convert_for_assignment): Likewise.
7431 * expmed.c (init_expmed): Don't free objects we make.
7432 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
7434 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
7435 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
7437 * gcse.c (expr_hash_table_size): Now unsigned.
7438 (compute_ae_gen): Local variable `i' now unsigned.
7439 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
7440 (compute_transout, hoist_code): Likewise.
7441 (compute_local_properties): Likewise, also hash_table_size.
7442 (alloc_expr_hash_table): N_INSNS now unsigned.
7443 (delete_null_pointer_checks): Mark arg F as unused.
7445 * regrename.c: Minor cleanups, including chang some variables
7448 2000-04-10 Neil Booth <NeilB@earthling.net>
7450 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
7452 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
7454 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7456 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
7457 __classof__, and __headof__ from the list of gnu keywords.
7458 (-ansi): Remove -foperator-names from list of implied options.
7459 Do not call it ANSI C++.
7460 (-foperator-names): Document as -fno-operator-names.
7462 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
7464 * cpphash.c (timestamp): Delete.
7465 (del_HASHNODE): If type is T_MCONST, free value.cpval.
7466 (special_symbol): Remove unnecessary braces. Remove
7467 T_VERSION. Treat T_STDC like T_CONST unless
7468 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
7469 when one is encountered, then convert them into T_MCONST
7471 * cppinit.c (builtin_array): version_string is T_MCONST.
7472 __STDC__ has a "1" in its cpval. Don't have a terminator
7473 entry. Clean up which entries are dumped.
7474 (initialize_builtins): Only __STDC__ gets the special
7475 -traditional treatment. Count the length of builtin_array.
7476 Render version_string here.
7477 * cpphash.h: Remove T_VERSION. Add T_MCONST.
7478 * cpplib.h (struct cpp_reader): Remove timebuf.
7480 2000-04-09 Richard Henderson <rth@cygnus.com>
7482 * genrecog.c (pred): Update comparison_operator for the unordered
7485 * config/i386/i386.c (no_comparison_operator): Disallow unordered
7487 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
7488 (uno_comparison_operator): New.
7489 (put_condition_code): Handle UNORDERED/ORDERED.
7490 (unsigned_comparison): Likewise.
7491 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
7492 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
7493 (ix86_expand_fp_compare): Use them. Take scratch as argument,
7494 update all callers. Handle all 8 unordered operators.
7495 (ix86_expand_setcc): Lose the unordered argument, update all callers.
7496 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
7497 * config/i386/i386.h (PREDICATE_CODES): Update.
7498 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
7499 (ix86_expand_branch, ix86_expand_setcc): Update.
7500 * config/i386/i386.md (sunordered, sordered): New.
7501 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
7502 (bunordered, bordered): New.
7503 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
7504 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
7505 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
7507 2000-04-09 Philip Blundell <philb@gnu.org>
7509 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
7511 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
7513 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
7514 fix_truncxfhi2): New patterns.
7515 * i386.c (output_fix_trunc): Handle converting to HImode.
7517 2000-04-08 Alex Samuel <samuel@codesourcery.com>
7519 * ssa.c (convert_to_ssa): Eliminate dead code when calling
7521 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
7522 (for_each_successor_phi): Change parameter to basic_block.
7523 (coalesce_regs_in_successor_phi_nodes): Likewise.
7524 (coalesce_regs_in_copies): Likewise.
7525 (compute_coalesced_reg_partition): Use basic_block instead of index.
7526 * rtl.h (convert_to_ssa): Delete.
7527 (convert_from_ssa): Likewise.
7528 (successor_phi_fn): Likewise.
7529 (for_each_successor_phi): Likewise.
7530 (in_ssa_form): Likewise.
7531 * basic-block.h (convert_to_ssa): Moved from rtl.h.
7532 (convert_from_ssa): Likewise.
7533 (successor_phi_fn): Likewise.
7534 (in_ssa_form): Likewise.
7535 (for_each_successor_phi): Likewise. Change parameter to basic_block.
7536 * flow.c (calculate_global_regs_live): Pass a basic_block to
7537 for_each_successor_phi.
7539 2000-04-08 Richard Henderson <rth@cygnus.com>
7541 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
7542 was modified in the current insn.
7544 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7546 * arm/thumb.md: Delete.
7547 * arm/thumb-protos.h: Delete.
7549 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7551 Merge changes from merged-arm-thumb-backend-branch onto trunk.
7553 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7555 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
7558 * arm.md (nop): Use the standard RTL expression. Don't code as a
7560 (*arm_nop, *thumb_nop): Delete.
7562 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
7563 constants. Use casts instead.
7564 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
7565 output_multi_immediate, arm_poke_function_name): Likewise.
7566 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
7567 MASK_RETURN_ADDDR): Likewise.
7569 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
7571 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
7574 * arm.md (eh_epilogue): New function.
7575 * arm.h (struct machine_function): Move to here ...
7576 * arm.c: ... from here.
7577 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
7578 (thumb_exit): Extra parameter eh_ofs. All callers changed.
7579 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
7581 2000-03-30 Nick Clifton <nickc@cygnus.com>
7583 * config/arm/semi.h (ASM_SPEC): Restore definition.
7584 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7586 * config/arm/elf.h (ASM_SPEC): Restore definition.
7587 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7589 * config/arm/arm.h (ASM_SPEC): Remove definition.
7590 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
7592 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7594 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
7596 2000-03-24 Nick Clifton <nickc@cygnus.com>
7598 Various formating tidyups, elimination of compile time
7599 warnings and synchronisation with internal sources:
7601 * config/arm/arm-protos.h (assemble_align): Add prototype.
7602 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7603 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7604 (arm_return_addr_rtx): Rename to arm_return_addr.
7606 * config/arm/arm.c: Include except.h.
7607 Define shorter typenames for strict minipool_node and struct
7609 (arm_return_in_memory): For WinCE return all structures <= 32 bits
7611 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7612 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7614 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7616 (ASM_SPEC): Define if not already defined.
7617 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
7619 * config/arm/arm.md: Rename references to gen_rotated_half_load to
7620 arm_gen_rotated_half_load, and references to gen_comapre_reg to
7621 arm_gen_compare_reg.
7622 (indirect_jump): Only accept register operands.
7623 (load_indirect_jump): Keep this pattern since combine can generate
7626 * config/arm/coff.h: Include aout.h.
7627 (MULTILIB_DEFAULTS): Only define if not already defined.
7629 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
7630 into arm.h (so that COFF ports can support thumb based aliases).
7631 (ASM_SPEC): Move definition into arm.h
7633 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
7634 redundant apcs spec.
7635 (ASM_SPEC): Move definition to arm.h
7637 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
7639 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
7640 for entries in the .bss section
7642 2000-03-23 Nick Clifton <nickc@cygnus.com>
7644 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
7645 to thumb_far_jump_used_p.
7647 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
7648 single integer parameter.
7650 * config/arm/arm.c (struct machine_function): Add two new
7651 fields, 'far_jump_used' and 'arg_pointer_live'.
7652 (thumb_far_jump_used_p): Once the decision has been made that
7653 far jumps might be used, always return true.
7654 If being called from the initial elimination offset macro then
7655 do not bother to perform the test if the arg pointer is not
7657 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
7658 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
7660 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
7662 * arm.c (output_return_instruction): Handle more cases where we can
7663 return from a function with an ldr instruction.
7664 (arm_output_epilogue): Likewise.
7666 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
7667 if we need to push a large stack frame and there are no callee-saved
7670 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
7671 in ARM code if the frame pointer has been eliminated.
7673 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
7674 unspec_volatile arguments to avoid duplicates.
7675 (consttable_1, consttable_2): Fixes for big-endian mode.
7677 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
7680 Re-write constant pool code.
7681 * arm.c (minipool_node, minipool_fix): New types.
7682 (minifix): Delete type.
7683 (arm_add_minipool_constant): Delete.
7684 (arm_compute_minipool_offsets, arm_find_barrier,
7685 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
7686 (get_jump_table_size): Now returns HOST_WIDE_INT.
7687 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
7689 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
7690 (assign_minipool_offsets, arm_print_value): Likewise.
7691 (dump_minipool): Rewrite.
7692 (arm_barrier_cost): New function.
7693 (create_fix_barrier): New function.
7694 (push_minipool_barrier): New function.
7695 (push_minipool_fix): Record additional information about the fixup
7697 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
7698 check the mode of what needs fixing.
7699 (arm_reorg): Rewrite.
7701 2000-03-08 Nick Clifton <nickc@cygnus.com>
7703 * config/arm/arm.md (indirect_jump): Force constant addresses into
7706 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
7708 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
7710 2000-02-24 Nick Clifton <nickc@cygnus.com>
7712 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
7713 adjust is word aligned.
7714 (thumb_expand_epilogue): Make sure that stack adjust is word
7717 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
7719 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
7721 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
7722 pointer relative addresses.
7724 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
7726 * arm.c (find_barrier): Find the last barrier within the allowed
7729 2000-02-09 Nick Clifton <nickc@cygnus.com>
7731 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
7733 2000-02-09 Nick Clifton <nickc@cygnus.com>
7735 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
7736 ARM_FUNCTION_PROFILER.
7738 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
7739 ARM_FUNCTION_PROFILER.
7741 * config/arm/linux-oldld.h: Imported from mainline sources.
7743 2000-02-07 Nick Clifton <nickc@cygnus.com>
7745 * config/arm/lib1funcs.asm: Merge in thumb functions from
7748 * config/arm/lib1thumb.asm: Delete.
7750 2000-02-04 Nick Clifton <nickc@cygnus.com>
7752 * config/arm/arm.c: Sychronised with current Red hat local
7754 * config/arm/arm.h: Ditto.
7755 * config/arm/arm-protos.h: Ditto.
7757 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
7759 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
7761 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
7764 2000-02-02 Nick Clifton <nickc@cygnus.com>
7766 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
7768 * config/arm/arm.md (epilogue): Fix rtl checking abort because
7769 (return) was emited using an emit_insn() call.
7771 2000-01-31 Nick Clifton <nickc@cygnus.com>
7773 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
7775 (thumb_exit): Move frame pointer back into hard frame pointer
7776 register if backtracing is being used.
7778 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
7780 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7783 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
7785 * config/arm/arm.md (neg_pool_offset): Provide default for new
7787 (arm_movsi_insn): Add neg_pool_offset attribute.
7788 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7789 rtx for the insn that starts the scan and an unsigned long for its
7790 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
7791 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
7792 instructions in *PINSERTED.
7793 (struct minipool_fixup): Add MIN_ADDRESS elt.
7794 (sort_fixups): Compute it.
7795 (arm_reorg): Changes to support inserting pools before the insn to be
7798 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7800 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7801 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7802 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7804 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
7806 * config/arm/semi.h (TARGET_VERSION): Do not define if already
7808 (TARGET_DEFAULT): Do not define if already defined.
7810 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
7812 * config/arm/arm.md (anddi3): Allow disjoint source operands.
7813 (iordi3): Allow disjoint source operands.
7814 (xordi3): Allow disjoint source operands.
7815 (negdi2): Permit construction for ARM and Thumb.
7816 (arm_negdi2): Renamed version of old negdi2 pattern.
7817 (thumb_negdi2): New pattern: Only permit non-overlapping
7818 source and destination.
7820 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
7822 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7823 scratch low register so that it will not be deleted.
7825 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
7827 * config/arm/pe.h (ARM_PE): Define.
7829 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7830 interfacearm attribute if this is a PE toolchain.
7831 (output_return_instruction): Do not emit anything if the function
7832 has the naked attribute set.
7833 (is_called_in_ARM_mode): If the function has the interfacearm
7834 attribute then return true.
7835 (thumb_expand_prologue): Do not generate a prologue for naked
7837 (thumb_expand_epilogue): Do not generate an epilogie for a naked
7839 (output_thumb_prologue): Do not bother if the function is naked.
7840 Strip PE encoding from function name before emitting.
7842 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7844 * arm.md (pic_load_addr): Fix constraints.
7846 * arm.md (casesi_insn): Fix mis-applied patch.
7848 * arm.md ("core" function unit): Add rules for single- and
7850 (All TARGET_THUMB patterns): Add "type" attribute information
7852 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7853 the following insn is a CALL.
7855 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7857 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7858 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7859 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7861 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
7863 * config/arm/linux-gas.h: oops - this file was missed out when the
7864 branch was created...
7866 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
7868 * thumb.c: Deleted. Move contents to ...
7870 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7872 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7875 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
7876 declare a prototype for asm_output_align();
7878 * arm.c (thumb_condition_code): Delete.
7879 (arm_print_operand): Always use arm_condition_code array.
7881 * arm.c (thumb_return_addr_rtx): Delete.
7882 (arm_save_machine_status, arm_restore_machine_status): Delete.
7883 (arm_init_machine_status, arm_mark_machine_status): New functions.
7884 (arm_init_expanders): Update accordingly.
7885 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
7886 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7887 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7889 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
7891 * configure.in : Fix arm-*-aout target to use new t-arm-aout
7893 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7896 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
7898 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7899 stack backtrace structure.
7901 * config/arm/arm-protos.h: Add prototypes for functions defined in
7904 * config/arm/arm.c (arm_override_options): Fix selection of
7905 attributes of default processor.
7907 * config/arm/coff.h: Delete needless #include.
7909 * config/arm/pe.c: Delete unused code.
7911 * config/arm/pe.h (CPP_DEFINES): Delete
7912 (SUBTARGET_CPP_SPEC): Define.
7913 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7915 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7917 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
7919 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
7921 (CAN_DEBUG_WITHOUT_FP): Define.
7922 (FIXED_REGISTERS): Make r11 call-saved.
7923 (CALL_USED_REGISTERS): Likewise.
7924 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
7925 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
7926 frame-pointer is required.
7927 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
7928 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
7929 if the target normally needs a stack frame in non-leaf functions.
7930 (use_return_insn): Correct logic for determining when a return
7931 instruction can be used.
7932 (output_return_instruction): Handle the frame-pointer register as
7933 a normal register when not TARGET_APCS_FRAME.
7934 (arm_output_prologue): Likewise.
7935 (arm_output_epilogue): Likewise.
7936 (output_func_epilogue): Likewise.
7937 (arm_expand_prologue): Likewise.
7938 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
7940 * arm.c (use_return_insn): No need to check floating point regs if
7942 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
7943 the code of value stored in the minipool array.
7944 (arm_add_minipool_constant): Likewise.
7946 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7948 * basic-block.h (conflict_graph_enum_fn): K&R fix.
7950 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7952 * tree.c (tree_expr_nonnegative_p): New function.
7954 * tree.h (tree_expr_nonnegative_p): Declare.
7956 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
7957 elide some sign_compare warnings.
7958 (build_conditional_expr): Likewise.
7960 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
7962 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
7964 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
7965 * i386.c (print_operand): Use the proper suffix for a 387 HImode
7966 operand. Abort if a 387 operand has an unsupported size.
7968 2000-04-08 Neil Booth <NeilB@earthling.net>
7970 * cppexp.c (parse_charconst): Null does not end character
7972 * cppinit.c (ISTABLE): Null character handled as whitespace.
7973 * cpplex.c (null_warning): new function.
7974 (skip_string): Emit warning if nulls encountered.
7975 (_cpp_skip_hspace): Emit warning if nulls encountered.
7976 (_cpp_lex_token): Emit warning if nulls encountered. Drop
7980 2000-04-07 Richard Henderson <rth@cygnus.com>
7982 * flow.c (loop_depth): Remove.
7983 (reg_next_use, cc0_live, mem_set_list): Replace with ...
7984 (struct propagate_block_info): New.
7985 (life_analysis): Don't allocate reg_next_use.
7986 (propagate_block_delete_insn): Break out of propagate_block.
7987 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
7988 (propagate_block_delete_libcall): Likewise.
7989 (propagate_block): Create a propagate_block_info struct to pass
7990 to subroutines. Allocate one not two temporary regsets. Don't
7991 clobber memory for const calls. Look for clobbers in
7992 CALL_INSN_FUNCTION_USAGE.
7993 (mark_set_regs): Recognize COND_EXEC.
7994 (mark_set_reg): Break out of mark_set_1.
7995 (mark_used_reg): Break out of mark_used_regs.
7996 (mark_used_regs): Recognize COND_EXEC.
7997 (insn_dead_p): Use propagate_block_info struct.
7998 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
7999 (find_auto_inc, try_pre_increment_1): Likewise.
8000 (print_rtl_with_bb): Dump regs live at end too.
8001 (count_reg_sets_1): Pass in loop_depth.
8002 (count_reg_sets, count_reg_references): Likewise.
8003 (recompute_reg_usage): Provide it.
8005 2000-04-07 Richard Henderson <rth@cygnus.com>
8007 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8010 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8012 * cpplib.c (do_elif): Skip the rest of the line if we're
8013 not going to bother evaluating it.
8014 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8015 to avoid pointless calls to the lexer.
8017 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8019 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8021 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8023 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8025 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8027 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8029 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8031 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8032 crtend so they can be multilibbed.
8033 (STAGESTUFF): Remove s-crt and s-crtS.
8035 2000-04-07 Richard Henderson <rth@cygnus.com>
8037 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8038 if we discover we need a pseudo and no_new_pseudos is true.
8039 * config/alpha/alpha.md (ne:DI insn): New.
8040 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8042 2000-04-07 Richard Henderson <rth@cygnus.com>
8044 * rtl.def (COND_EXEC): New.
8045 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8046 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8048 * genconfig.c (have_cond_arith_flag): Remove.
8049 (have_cond_exec_flag): New.
8050 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8051 (main): Print HAVE_conditional_execution.
8053 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8054 (sched_analyze_insn, print_pattern): Likewise.
8055 * reload.c (find_equiv_reg): Likewise.
8056 * rtlanal.c (reg_referenced_p): Likewise.
8057 (note_stores, dead_or_set_regno_p): Likewise.
8058 (reg_overlap_mentioned_p): Rewrite to use a switch.
8060 * ggc.h (struct rtx_def): Forward declare.
8062 * print-rtl.c (debug_rtx_range): New.
8063 * rtl.h (debug_rtx_range): Declare.
8065 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8067 * gcse.c (gcse_main): Don't rebuild the CFG here.
8068 (delete_null_pointer_checks): Likewise.
8069 * ssa.c (convert_to_ssa): Likewise.
8070 * toplev.c (rest_of_compilation): Do it here instead. Combine
8071 sequential calls to TIMEVAR. Consistently use `insns' instead of
8072 `get_insns()'. Always split insns after reload when optimizing.
8074 * basic-block.h (merge_blocks_nomove): Declare.
8075 (tidy_fallthru_edge): Declare.
8076 * flow.c (merge_blocks_nomove): Document as merging into previous
8077 blocks. Remove cruft from between blocks; remove all edges out of A.
8078 (tidy_fallthru_edge): Export.
8080 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8082 * ssa.c (compute_conservative_reg_partition): Declare with
8084 * toplev.c (clean_dump_file): Remove previously-deleted function
8085 inadvertantly merged back in.
8086 * conflict.c (conflict_graph_add): Use a single call to
8087 htab_find_slot to look up and insert.
8089 2000-04-06 Richard Henderson <rth@cygnus.com>
8091 * genrecog.c (*): Rename _last_insn to last_insn.
8092 (make_insn_sequence): Set the position of the peephole2 C test
8093 to be at the last insn.
8095 2000-04-06 Richard Henderson <rth@cygnus.com>
8097 * flow.c (compute_flow_dominators): Free worklist.
8099 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
8101 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
8103 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8105 * rtl.h (INSN_P): New macro.
8106 (successor_phi_fn): New typedef.
8107 (for_each_successor_phi): New prototype.
8108 (in_ssa_form): New variable.
8109 (PHI_NODE_P): Likewise.
8110 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
8111 phi nodes in successors.
8112 (mark_used_regs): Add PHI case.
8113 (set_phi_alternative_reg): New function.
8114 (life_analysis): Assert that dead code elimination is not selected
8116 * toplev.c (to_ssa_time): New variable.
8117 (from_ssa_time): Likewise.
8118 (compile_file): Zero to_ssa_time and from_ssa_time.
8119 Print time to convert to and from SSA.
8120 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
8121 (print_time): Compute percent fraction as integer.
8122 * ssa.c (PHI_NODE_P): Moved to rtl.h.
8123 (convert_to_ssa): Check if we're already in SSA.
8124 Don't eliminate dead code in life_analysis.
8125 Rerun flow and life analysis at bottom.
8126 (eliminate_phi): Use canonical regnos when adding nodes.
8127 (mark_reg_in_phi): New function.
8128 (mark_phi_and_copy_regs): Likewise.
8129 (convert_from_ssa): Rerun life analysis at top.
8130 Use coalesced partition.
8131 Check for removing a phi node at the end of the block.
8132 (compute_coalesced_reg_partition): New function.
8133 (coalesce_regs_in_copies): Likewise.
8134 (coalesce_reg_in_phi): Likewise.
8135 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
8136 (for_each_successor_phi): Likewise.
8137 (rename_context): New struct.
8138 (rename_block): Use a rename_context with rename_insn_1. When
8139 renaming sets of a subreg, emit a copy of the entire reg first.
8140 (rename_insn_1): Treat data as a rename_context *. Save current
8142 (rename_set_data): Add field set_insn.
8143 * Makefile.in (HASHTAB_H): Move up in file.
8144 (OBSTACK_H): New macro.
8145 (collect2.o): Use OBSTACK_H in dependencies.
8146 (sdbout.o): Likewise.
8147 (emit-rtl.o): Likewise.
8148 (simplify-rtx.o): Likewise.
8149 (fix-header.o): Likewise.
8150 (OBJS): Add conflict.o.
8151 (conflict.o): New rule.
8152 * basic-block.h: Include partition.h.
8153 (conflict_graph): New typedef.
8154 (conflict_graph_enum_fn): Likewise.
8155 (conflict_graph_new): New prototype.
8156 (conflict_graph_delete): Likewise.
8157 (conflict_graph_add): Likewise.
8158 (conflict_graph_conflict_p): Likewise.
8159 (conflict_graph_enum): Likewise.
8160 (conflict_graph_merge_regs): Likewise.
8161 (conflict_graph_print): Likewise.
8162 (conflict_graph_compute): Likewise.
8163 * conflict.c: New file.
8165 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
8167 * tlink.c (read_repo_files): Don't look for .rpo info for
8170 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8172 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
8174 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8176 * config/sh/lib1funcs.asm (___udivsi3_i4):
8177 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
8178 only depends on FMOVD_WORKS.
8180 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8182 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
8183 make double constant 8-byte aligned.
8185 2000-04-06 Jakub Jelinek <jakub@redhat.com>
8187 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
8188 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
8189 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
8190 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
8191 Accept storing GENERAL_REGS into offsetable memory.
8192 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
8193 building a TFmode constant other than 0.0L into GENERAL_REGS.
8195 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
8197 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
8199 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
8201 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
8202 (macro_cleanup): No need to cast pbuf->macro.
8203 (collect_expansion): Use _cpp_get_define_token. Goto done if
8204 it returns VSPACE. Remove check for trailing space after
8206 (_cpp_create_definition): Don't diddle flags here. Return
8208 (unsafe_chars): Handle c1 being EOF.
8209 (push_macro_expansion): Use unsafe_chars for both accidental-paste
8210 checks. Don't push the buffer till after we're done with
8212 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
8213 (PEEKN, FORWARD, GETC, PEEKC): Use them.
8214 (cpp_push_buffer): Don't set new->alimit. Set new->mark
8216 (_cpp_parse_assertion): Don't NUL terminate.
8217 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
8218 hspace before calling _cpp_parse_assertion. Remove all sets
8219 of only_seen_white. Treat '\f' as hspace. Don't do anything
8220 special with '\n' here.
8221 (maybe_macroexpand): Handle T_EMPTY hash entries without
8222 pushing a buffer at all.
8223 (cpp_get_token): Handle clearing only_seen_white here. Handle
8224 incrementing the line number here. Clear
8225 potential_control_macro as well as only_seen_white, if
8227 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
8228 (_cpp_get_define_token): New function, basically like
8229 _cpp_get_directive_token was but doesn't eat horizontal space.
8230 Don't do anything with only_seen_white here.
8231 (_cpp_get_directive_token): Just call _cpp_get_define_token
8232 repeatedly till it returns non-hspace.
8234 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
8235 (conditional_skip, skip_if_group): Return int.
8236 (DIRECTIVE_TABLE): Change origin of all conditional directives
8238 (TRAD_DIRECT_P): New macro.
8239 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
8240 an error for a bogus directive, unless -lang-asm. Use
8241 TRAD_DIRECT_P. Loop calling handler functions till one returns
8243 (get_macro_name): Don't diddle flags here.
8244 (do_define): Diddle flags here. Use _cpp_get_directive_token.
8245 Create T_EMPTY nodes for #define macro /* nothing */.
8246 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
8247 Use hp->name when calling pass_thru_directive.
8248 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
8249 Return the result of conditional_skip and/or skip_if_group.
8250 Don't call _cpp_output_line_command.
8251 (consider_directive_while_skipping): Use _cpp_get_directive_token.
8252 Issue -Wtraditional warnings as appropriate. Don't complain
8253 about unrecognized directives. If we are to stop skipping,
8254 return the number of the directive that ended the skip.
8255 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
8256 expansion and line commands while skipping. Return the result
8257 of consider_directive_while_skipping, if nonzero.
8258 (do_endif): Just set potential_control_macro here.
8259 (validate_else): Use _cpp_get_directive_token.
8260 (do_assert, do_unassert): Don't save pointers into the
8261 token_buffer across calls to the lexer. Use
8262 _cpp_get_directive_token.
8264 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
8265 pointer, not an offset. Replace 'data', which was a generic
8266 pointer, with 'macro', which points to a struct hashnode.
8267 (cpp_reader): Add 'potential_control_macro' pointer.
8268 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
8269 (CPP_BUF_GET, CPP_FORWARD): Delete.
8270 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
8271 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
8272 ACTIVE_MARK_P): Update.
8273 (_cpp_get_define_token): New internal function.
8274 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
8276 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
8278 * configure.in: And here.
8279 * configure: Regenerate.
8280 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
8281 --enable-libstdcxx-v3 is passed at configure time.
8282 * config.h.in: Regenerate.
8284 2000-04-05 Mark Mitchell <mark@codesourcery.com>
8286 * final.c (final): Use xcalloc to allocate line_note_exists.
8287 * function.c (free_after_compilation): Free the temp_slots.
8288 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
8289 (combine_temp_slot): Free temp_slots when they get combined.
8290 (purge_addressof): Fix typo in comment.
8291 * stmt.c (mark_goto_fixup): Mark the fixup itself.
8292 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
8294 * ggc.h: Include varray.h.
8295 (ggc_pending_trees): Declare.
8296 (ggc_mark_tree_children): Remove declaration.
8297 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
8298 * ggc-common.c (ggc_pending_trees): New variable.
8299 (ggc_mark_roots): Call ggc_mark_trees.
8300 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
8301 the ggc_pending_trees.
8302 * Makefile.in (GGC_H): New variable. Use it throughout in place
8305 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8307 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
8310 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8312 * sh.c (sh_insn_length_adjustment): New function.
8313 * sh-protos.h (sh_insn_length_adjustment): Declare.
8314 * sh.h (ADJUST_INSN_LENGTH): Use it.
8316 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
8318 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
8319 from the insn where REG_RETVAL is added.
8320 (emit_no_conflict_block): Ditto.
8322 * md.texi (Standard Names): Clarify when movX is needed.
8324 * combine.c (simplify_comparison) [MINUS]: Do not replace
8325 all (op (minus A B) 0) with (op A B).
8327 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
8328 J"orn Rennecke <amylaar@cygnus.co.uk>
8330 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
8331 (block_lump_real): Likewise.
8333 2000-04-05 Chris Demetriou <cgd@netbsd.org>
8335 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
8336 remaining non-zero debugging masks.
8338 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
8340 * basic-block.h (verify_flow_info): Declare.
8341 (flow_loop_outside_edge_p): Declare.
8342 * flow.c (verify_flow_info): Remove declaration.
8343 (clear_log_links, flow_loop_outside_edge_p): Likewise.
8345 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
8347 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
8350 2000-04-05 Jakub Jelinek <jakub@redhat.com>
8352 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
8353 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
8354 seqdi_zero_trunc+1): Allow splits only if registers are
8357 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
8359 * acconfig.h: Add HAVE_GAS_HIDDEN.
8360 * config.in: Regenerated.
8361 * configure.in: Add test for .hidden pseudo-op in gas.
8362 * configure: Regenerated.
8363 * crtstuff.c: Include auto-host.h.
8364 Emit additional .hidden pseudo-op for __dso_handle if the
8365 assembler knows about it.
8367 2000-04-04 Philippe De Muyter <phdm@macqel.be>
8369 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
8370 before freeing argnames.
8371 * cpplib.c (do_ifndef): Cast return value of xstrdup.
8373 2000-04-05 Michael Meissner <meissner@redhat.com>
8375 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
8376 Walton <jonboy@gordian.com> to make memory references with update
8377 work wtih -mregnames.
8379 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8381 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
8382 (regrename_optimize): Rename variables `def_uses' and
8383 `ext_basic_blocks' to avoid conflicts with similarly named
8384 typedefs in traditional C.
8386 * calls.c (initialize_argument_information): Fix typo in previous
8389 2000-04-04 Richard Henderson <rth@cygnus.com>
8391 * regrename.c (consider_available): Test fixed_regs not
8392 PIC_OFFSET_TABLE_REGNUM.
8394 2000-04-04 Geoff Keating <geoffk@cygnus.com>
8396 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
8398 (CRTSTUFF_T_CFLAGS_S): Delete definition.
8399 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
8400 (ENDFILE_LINUX_SPEC): Always use crtend.
8401 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
8402 (powerpc-*-linux-gnu): Likewise.
8403 * configure: Regenerate.
8405 * config/rs6000/eabi.h: Don't include sysv4.h.
8406 (MULTILIB_DEFAULTS): Don't define.
8407 * config/rs6000/eabiaix.h: Don't include eabi.h.
8408 * config/rs6000/eabile.h: Delete.
8409 * config/rs6000/eabilesim.h: Delete.
8410 * config/rs6000/eabisim.h: Don't include eabi.h.
8411 * config/rs6000/linux.h: Don't include sysv4.h.
8412 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
8413 (MULTILIB_DEFAULTS): Don't redefine.
8414 * config/rs6000/rtems.h: Don't include eabi.h.
8415 * config/rs6000/sol2.h: Don't include sysv4le.h.
8416 * config/rs6000/sysv4le.h: Don't include sysv4.h.
8417 * config/rs6000/t-ppc: Delete.
8418 * config/rs6000/t-ppcgas: Correct comment.
8419 * config/rs6000/t-ppcos: Correct comment. Don't build
8420 multilibs for -fPIC, rather use -fPIC -mstrict-align
8422 * config/rs6000/t-ppc: Delete.
8423 * config/rs6000/vxppc.h: Don't include sysv4.h.
8424 * config/rs6000/vxppcle.h: Delete.
8425 * configure.in: Use multiple header files for p2pc ELF targets
8426 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
8427 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
8428 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
8429 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
8430 always available for these platforms.
8432 2000-04-04 Richard Henderson <rth@cygnus.com>
8434 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
8436 2000-04-04 Stan Cox <scox@cygnus.com>
8438 * Makefile.in: Add rules for regrename.o
8439 * regrename.c: New file.
8440 * rtl.h (regrename_optimize): Add prototype.
8441 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
8442 (compile_file, decode_d_option): Add support for -frename-registers.
8443 (rest_of_compilation): Call regrename_optimize.
8444 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
8447 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8449 * Makefile (gccbug): New target.
8450 (doc): Depend on it.
8451 * gcc.texi (Bugs): Link subnodes.
8453 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
8454 Document severities, priorities, and classes in bug form.
8456 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
8458 * cpplex.c (trigraph_map, speccase): Combine into single
8460 (NORMAL, NONTRI): New macros.
8461 (_cpp_read_and_prescan): Change to use unified table. Use
8462 is_hspace to test for whitespace.
8464 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
8465 definition that doesn't provoke the "empty body in an
8466 if-statement" warning.
8468 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
8470 * builtins.c (expand_builtin_strlen): Force the source to
8471 be a memory address.
8473 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8475 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
8477 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
8479 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
8480 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
8481 (ECF_IS_CONST): Rename to ECF_CONST.
8482 (special_function_p): Make static, change interface.
8483 (flags_from_decl_or_type, try_to_integrate): Break out from ...
8484 (expand_call) ... here; convert number of variables to flags.
8485 (emit_library_call_vlue_1): Likewise.
8486 (setjmp_call_p): New function.
8487 (initialize_argument_information): Accepts flags as argument;
8489 (precompute_arguments): Likewise.
8490 * tree.h (special_function_p): Remove.
8491 (setjmp_call_p): Add prototype.
8493 2000-04-04 Jakub Jelinek <jakub@redhat.com>
8495 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
8496 so that addresses are offsetable by up to 16 bytes.
8497 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
8498 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
8501 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
8502 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
8503 (movsf): Don't force any constant to memory if target is integer
8505 Move fp_zero_operand check below the const0_rtx check.
8506 (movtf): Likewise. Also allow fp_zero_operand for stores into
8508 (movdf): Likewise. Also allow fp_zero_operand for stores into
8509 memory and into integer hard registers.
8510 (clear_df, clear_dfp, movdf_const_intreg_sp32,
8511 movdf_const_intreg_sp64): Remove.
8512 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
8514 (movdf_no_e_insn_v9_sp32): New pattern.
8515 (movdf_insn_v9only): Remove.
8516 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
8517 (movdf_insn_sp64): Remove.
8518 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
8519 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
8520 (following splits): Rewrite conditions. Add two new splits
8521 for storing 0.0 into memory and registers.
8522 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
8523 (movtf_insn_sp32): Redo constraints and conditions.
8524 (movtf_insn_vis_sp32): New pattern.
8525 (movtf_no_e_insn_sp32): Redo constraints and conditions.
8526 (movtf_insn_hq_sp64): Likewise.
8527 (movtf_insn_hq_vis_sp64): New pattern.
8528 (movtf_insn_sp64): Redo constraints and conditions.
8529 (movtf_insn_vis_sp64): New pattern.
8530 (movtf_no_e_insn_sp64): Redo constraints and conditions.
8531 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
8533 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
8534 -mvis or -m64 to take down the number of various reload patterns.
8536 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
8538 * pa/pa-64.h: New file.
8539 * pa/pa64-regs.h: New file.
8540 * pa/pa64-start.h: New file.
8541 * pa/t-pa64: New file.
8542 * pa/xm-pa64hpux.h: New file.
8544 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8546 * sparc.c (output_restore_regs): Prototype.
8547 (sparc_emit_float_lib_cmp): Constification.
8549 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
8551 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
8554 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
8555 (get_value_hash, hash_rtx): Likewise.
8557 * ssa.c (compute_conservative_reg_partition): Prototype.
8559 * tree.c (mark_hash_entry): Prototype.
8561 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
8563 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
8564 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
8565 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
8567 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
8568 * objc/lang-specs.h: Likewise.
8570 2000-04-03 Neil Booth <NeilB@earthling.net>
8572 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
8573 and SYNTAX_ERROR2. Replace `' in messages with ''.
8574 (op_to_str): Make re-entrant.
8575 (_cpp_parse_expr): Implement new error macros. Use | rather
8576 than || to logically or 2 boolean integers. Simply expression
8577 checking we have a left operand iff needed.
8579 2000-04-03 Nick Clifton <nickc@cygnus.com>
8581 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
8583 2000-04-03 Philip Blundell <philb@gnu.org>
8585 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
8587 2000-04-03 Felix Lee <flee@cygnus.com>
8589 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
8590 (run_shell): Use it.
8592 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
8594 * Makefile.in (stmp-int-hdrs): Make include subdir here...
8595 (stmp-fixproto): ...rather than here.
8597 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
8599 * pa.c (print_operand): Compute 'base' only inside the code paths
8602 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
8604 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
8607 2000-04-03 Philipp Thomas <pthomas@suse.de>
8609 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
8611 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
8613 * Makefile.in (alias.o): Depend on $(TREE_H).
8615 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
8617 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
8619 * cpplib.c (_cpp_handle_directive): Improve warnings for
8620 traditional C and indented directives.
8622 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
8623 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
8624 fixinc/inclhack.def: Indent the # of #include_next one space.
8625 * cp/rtti.c: Un-indent #if and #endif.
8627 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
8628 syntax error, but an error has already been printed.
8629 * cpplex.c (_cpp_parse_assertion): Give a more specific error
8630 message when called with nothing remaining on the line.
8631 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
8632 OTHER token, not an ASSERTION.
8633 * cpplib.c (do_assert): When we create a 'base' node, clear
8634 its aschain pointer.
8636 2000-04-02 Neil Booth <NeilB@earthling.net>
8638 * cppexp.c: New typedef op_t. struct operation and struct
8639 token updated to use it.
8640 (op_to_str): New function.
8641 (_cpp_parse_expr): Error messages modified to use op_to_str.
8643 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8645 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
8646 before checking MUST_PASS_IN_STACK.
8648 2000-04-02 Neil Booth <NeilB@earthling.net>
8650 * cppexp.c: New FINISHED dummy token. Combine operator initial
8651 flags and initial priority into a single constant. New
8652 EQUALITY macro. New operator flag SHORT_CIRCUIT.
8653 (_parse_cpp_expr): Implement new constants. Take left operand
8654 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
8655 parse indicated by reducing FINISHED token. Remove new lines
8656 from cpp_error messages.
8658 2000-04-01 Mark Mitchell <mark@codesourcery.com>
8660 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
8663 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
8665 * cpplib.c: Include symcat.h. Add 'origin' field to struct
8666 directive. Add origin values to DIRECTIVE_TABLE. Generate
8667 the strings and function names on the fly. Take the #sccs
8668 entry out of the table if SCCS_DIRECTIVE is not defined.
8669 (_cpp_handle_directive): Decide if the # was at the beginning
8670 of the line here. Issue -pedantic warnings for extended
8671 directives here. Warn about K+R directives with the #
8672 indented, and C89/extended directives with the # not indented,
8674 (do_import, do_include_next, do_warning, do_ident, do_sccs,
8675 do_assert, do_unassert): Don't issue pedantic warning here.
8677 * cpphash.h: Add CPP_WTRADITIONAL macro.
8678 * cpplib.h (struct cpp_options): Rename warn_stringify to
8679 warn_traditional; update comments.
8680 * cppinit.c (handle_option): Set warn_traditional not
8682 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
8683 CPP_WTRADITIONAL (pfile).
8684 * cpplex.c (_cpp_lex_token): Don't decide if directives should
8685 be ignored in -traditional mode here.
8687 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
8688 to initialize speccase[] and trigraph_map[]. Delete all
8689 references to pfile->input_speccase. Always treat '?' as a
8690 special character. Remove table-initialization code from
8691 _cpp_init_input_buffer.
8693 * cpplib.h (struct cpp_reader): Remove input_speccase field.
8694 * cppinit.c (cpp_cleanup): Don't free input_speccase.
8696 2000-04-01 Richard Henderson <rth@cygnus.com>
8698 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
8699 (mostlyclean): Likewise.
8701 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
8702 (struct dump_file_info, enum dump_file_index, dump_file): New.
8703 (open_dump_file): Take a dump_file_index not a suffix, and a decl
8704 not a string. Clean out file if we havn't yet done so. Do nothing
8705 if the dump isn't enabled.
8706 (close_dump_file): Do nothing if the dump isn't open. Dump
8707 graph data if requested.
8708 (dump_rtl, clean_dump_file): Remove.
8709 (compile_file): Don't clean the dump files. Only finalize .bp dump
8710 if flag_test_coverage or flag_branch_probabilities. Only finalize
8711 .combine dump if optimizing. Iterate over dump_file to finalize the
8713 (rest_of_compilation): Update for open_dump_file/close_dump_file.
8714 Convert all uses of dump_rtl.
8715 (decode_d_option): Iterate over dump_file to implement 'a' and to
8716 locate pass-specific dumps.
8718 2000-04-01 Neil Booth <NeilB@earthling.net>
8720 * cppexp.c: Redefine priority constants.
8721 (_cpp_parse_expr): Replace left and right priority scheme with
8722 single priority logic. Move LOGICAL to same place as COMPARE.
8723 Remove bogus check for multiple unary +/- operators.
8725 2000-04-01 Neil Booth <NeilB@earthling.net>
8727 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
8728 within the switch statement. Binary operations break out of
8729 the switch naturally. '(' tokens handled by forcing
8730 immediate shift. ')' handled by forcing immediate reduce to
8731 the previous '('. New error messages.
8733 2000-03-31 Geoff Keating <geoffk@cygnus.com>
8735 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
8736 part', it's already in use. Use %K instead. Add a return at the
8737 end of what is now %K.
8738 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
8740 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
8742 * builtins.c (expand_builtin_apply): Pass proper parameters to
8743 allocate_dynamic_stack_space.
8744 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
8745 update stack_pointer_delta; do not update arg_size_so_far.
8746 (compute_argument_block_size): Use stack_delta instead of
8747 stack_pointer_pending and arg_size_so_far.
8748 (expand_call): Add sanity checking for stack_pointer_delta;
8749 save and restore stack_pointer_delta for SIB, use
8750 stack_pointer_delta for alignment; do not update arg_space_so_far.
8751 (emit_library_call_value): Use stack_pointer_delta for alignment.
8752 (store_one_arg): Do not update arg_space_so_far.
8753 * explow.c (adjust_stack, anti_adjust_stack): Update
8754 stack_pointer_delta.
8755 (allocate_dynamic_stack_space): Add sanity checking for
8756 stack_pointer_delta.
8757 * expr.c (init_expr, clear_pending_stack_adjust): Clear
8758 stack_pointer_delta.
8759 (emit_push_insn): Update stack_pointer_delta.
8760 * function.h (struct expr_status): Add x_stack_pointer_delta;
8761 remove x_arg_space_so_far.
8762 (arg_space_so_far): Remove.
8763 (stack_pointer_delta): New macro.
8765 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
8767 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
8768 Reorder struct cpp_options and struct cpp_reader for better
8769 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
8770 takes two args. Change all 'char' flags to 'unsigned char'.
8771 Move show_column flag into struct cpp_options. Don't
8772 prototype cpp_options_init.
8773 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
8774 cppinit.c, cpplex.c, cpplib.c:
8775 Replace CPP_OPTIONS (pfile)->whatever with
8776 CPP_OPTION (pfile, whatever), and likewise for
8777 opts = CPP_OPTIONS (pfile); ... opts->whatever;
8779 * cppinit.c (merge_include_chains): Take a cpp_reader *.
8780 Extract CPP_OPTION (pfile, pending) and work with that
8782 (cpp_options_init): Delete.
8783 (cpp_reader_init): Turn on on-by-default options here.
8784 Allocate the pending structure here.
8785 (cl_options, enum opt_code): Define these from the same table,
8786 kept in a large macro. Add -fshow-column and -fno-show-column
8789 * cpperror.c (v_message): If show_column is off, don't print
8792 * cppmain.c: Update for new interface.
8793 * fix-header.c: Likewise.
8795 2000-03-30 Geoff Keating <geoffk@cygnus.com>
8797 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8799 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8800 are passed to any invocation of AR_FOR_TARGET.
8801 (AR_CREATE_FOR_TARGET): New macro.
8802 (AR_EXTRACT_FOR_TARGET): New macro.
8803 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8804 AR_EXTRACT_FOR_TARGET.
8805 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8806 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8807 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
8808 AR_EXTRACT_FOR_TARGET to sub-makes.
8810 2000-03-31 Neil Booth <NeilB@earthling.net>
8812 * cppexp.c: Delete SKIP_OPERAND. Correct priority
8814 (_cpp_parse_expr): Check for multiple unary +/- operators.
8815 Correct priorities of ':' and '?'. Treat ')' as having a
8816 value. Ensure conditional expression is not void.
8818 2000-03-31 Mark Mitchell <mark@codesourcery.com>
8820 * alias.c (canon_rtx): Make it global.
8821 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
8823 * cse.c (struct table_elt): Add canon_exp.
8825 (invalidate): Canonicalize expressions only once.
8826 * rtl.h (canon_rtx): Declare.
8828 2000-03-30 Mark Mitchell <mark@codesourcery.com>
8830 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8831 * alias.c (reg_known_value): Add comments.
8832 (init_alias_analysis): Likewise.
8833 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8835 (cse_basic_block): Fix typo in comment.
8836 * emit-rtl.c: Include hashtab.h.
8837 (const_int_htab): New variable.
8838 (const_int_htab_hash): New function.
8839 (const_int_htab_eq): Likewise.
8840 (rtx_htab_mark_1): Likewise.
8841 (rtx_htab_mark): Likewise.
8842 (gen_rtx_CONST_INT): Cache all CONST_INTs.
8843 (unshare_all_rtx): Fix formatting.
8844 (init_emit_once): Initialize const_int_htab.
8845 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8847 * rtl.texi: Document the fact that all CONST_INTs with the same
8850 2000-03-30 Richard Henderson <rth@cygnus.com>
8852 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8854 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
8856 * configure.in: Comment out --enable-c-cpplib stanza.
8857 * configure: Regenerate.
8859 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8861 * expr.c (store_constructor): Properly compute displacement and
8862 alignment when offset is variable.
8864 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8865 cases of alignment in bytes.
8867 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
8869 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8870 since it is used to generate c-parse.y.
8871 * objc-parse.c, objc-parse.y: Regenerated.
8873 * function.c (expand_function_end): Pass alignment argument to
8874 emit_block_move in bits, not bytes.
8876 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8878 * expr.c (move_by_pieces_ninsns): Fix one more missing align
8881 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8883 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8884 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8885 * function.c (assign_parms): Likewise.
8886 * integrate.c (expand_inline_function): Likewise.
8887 * stmt.c (expand_decl): Likewise.
8888 (copy_rtx_and_substitute): Likewise.
8889 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
8890 (clear_by_pieces): Fix error in last change.
8891 * emit-rtl.c (init_emit): Set known registers alignment in bits.
8892 * function.h (regno_pointer_align): Now unsigned.
8893 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8895 * config/i386/i386.c (aligned_operand): Likewise.
8896 * config/sparc/sparc.c (mem_min_alignment): Likewise.
8897 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
8898 (unaligned_memory_operand): Likewise.
8899 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8900 Also make alignments and sizes unsigned and some whitespace cleanup.
8901 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8903 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8904 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
8905 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8906 (expand_builtin_memset): Likewise, but to clear_storage.
8907 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8908 (restore_fixed_argument_area): Likewise.
8909 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8910 (load_register_parameters): Likewise, to emit_group_load.
8911 (expand_call): Likewise, to emit_group_store and emit_block_move.
8912 (emit_library_call_value_1): Likewise, to emit_block_move.
8913 (store_one_arg): Likewise, and to emit_push_insn.
8914 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8915 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
8916 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8917 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8918 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8919 (expand_assigment, store_expr, store_constructor_field): Likewise.
8920 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
8921 (store_constructor, store_field, get_inner_reference): Likewise.
8922 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
8923 (expand_expr, case COMPONENT_REF): Likewise.
8924 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
8925 and positions; reindent code.
8926 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
8927 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
8928 (assign_parms): Likewise to emit_group_store.
8929 * optabs.c (prepare_cmp_insn): Alignment is in bits.
8930 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
8931 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
8932 (expand_return): Likewise to {extract,store}_bit_field.
8933 * stor-layout.c (get_mode_alignment): Minor cleanup.
8934 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
8935 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
8937 2000-03-29 Nick Clifton <nickc@cygnus.com>
8939 * config/arm/arm.h: Undo effects of previous delta:
8940 (ASM_SPEC): Do not define.
8941 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
8943 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
8946 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8948 * cppinit.c (cpp_start_read): Call initialize_dependency_output
8949 only after reading in the primary source file.
8951 2000-03-29 Geoff Keating <geoffk@cygnus.com>
8953 * c-common.c (c_common_nodes_and_builtins): The first parameter to
8954 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
8955 or a reference to a va_list.
8956 * builtins.c (stabilize_va_list): Simplify now we don't have to
8957 work around C array address decay.
8958 * c-typeck.c (convert_for_assignment): Handle assignment to
8959 a reference parameter by taking the address of the RHS.
8960 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
8961 (va_copy): Likewise.
8962 (__va_copy): Likewise.
8963 * ginclude/varargs.h (va_start): Likewise.
8964 (__va_copy): Likewise.
8966 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
8968 * i386/djgpp.h: Remove extraneous "+".
8970 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
8972 * calls.c (expand_call): Fix typo in last change.
8974 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
8976 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
8979 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8981 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
8982 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
8983 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
8984 * tree.c (bit_position, byte_position): Likewise.
8985 * tree.h: Declare new functions.
8987 2000-03-29 Nick Clifton <nickc@cygnus.com>
8989 * config/arm/arm.c: Minor formatting changes/
8990 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8992 (ASM_SPEC): Define if not already defined.
8994 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8996 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
8999 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9001 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9002 value, don't output it as unsigned.
9004 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9006 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9008 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9010 * c-common.c (c_common_nodes_and_builtins): Don't special case
9011 cplus_mode when declaring builtin bzero/bcmp, always avoid
9012 prototype arguments.
9014 2000-03-29 Bruce Korb <bkorb@gnu.org>
9016 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9019 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9021 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9022 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9023 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9024 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9025 (save_fixed_argument_area, restore_fixed_argument_area):
9026 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9027 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9028 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9029 (precompute_register_parameters): Avoid #ifdefs on
9030 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9031 (stire_one_args): Likewise.
9032 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9033 (emit_library_call_value_1): Likewise.
9034 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9035 ACCUMULATE_OUTGOING_ARGS.
9036 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9038 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9039 (use_crosses_set_p): Likewise.
9040 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9041 #define ACCUMULATE_OUTGOING_ARGS 1.
9042 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9044 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9046 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9047 (TARGET_SWITCHES): Add push-args, no-push-args,
9048 accumulate-outgoing-args and no-accumulate-outgoing-args.
9049 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9050 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9051 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9053 (emit_push_insn): Likewise.
9054 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9055 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9056 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9057 (STACK_DYNAMIC_OFFSET): Define correctly for both
9058 ACCUMULATE_OUTGOING_ARGS and normal mode.
9059 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9060 * tm.texi (PUSH_ARGS): Document.
9061 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9063 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9065 * flags.h (flag_optimize_sibling_calls): Declare.
9066 * calls.c (expand_call): Fail sibcall when
9067 !flag_optimize_sibling_calls
9068 * invoke.texi (flag_optimize_sibling_calls): Document.
9069 * toplev.c (flag_optimize_sibling_calls): New global variable.
9070 (f_options): Add flag_optimize_sibling_calls.
9071 (rest_of_compilation): Conditionize
9072 optimize_sibling_and_tail_recursive_calls by
9073 flag_optimize_sibling_calls.
9074 (main): Set flag_optimize_sibling_calls for -O2.
9075 * stmt.c (expand_return): Conditionize tail recursion by
9076 flag_optimize_sibling_calls.
9078 2000-03-29 Richard Henderson <rth@cygnus.com>
9080 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9081 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9083 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9085 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9087 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9089 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9091 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9092 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9093 * config/rs6000/aix.h: then modified likewise.
9095 2000-03-28 Richard Henderson <rth@cygnus.com>
9097 * rtl.h: Redistribute enum reg_note documentation.
9098 Kill trailing whitespace.
9099 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
9100 Kill trailing whitespace.
9102 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
9104 * cppfiles.c (hash_IHASH): Just return i->hash.
9105 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
9106 htab_find_with_hash.
9107 (cpp_read_file): Likewise.
9108 (find_include_file): Likewise. Properly initialize
9109 ih->nshort. Share ih->name and ih->nshort if possible.
9110 * cpphash.c (_cpp_calc_hash): New function.
9111 (hash_HASHNODE): Just return h->hash.
9112 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
9113 htab_find_with_hash.
9114 * cpphash.h: Prototype _cpp_calc_hash.
9115 * cppinit.c (initialize_builtins): Provide a valid hash
9116 to _cpp_make_hashnode, using _cpp_calc_hash.
9118 * cpphash.c (collect_expansion): # is not a special character
9119 in object-like macros. In -traditional mode, /**/ is not
9120 token paste at the beginning or end of the line.
9121 * cpplib.c (do_include, do_import, do_include_next): If
9122 parse_include fails, return immediately.
9124 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
9126 * config/arm/arm.md (return peepholes): Update to reflect the new
9128 * config/arm/arm.c (arm_volatile_func): Also check
9129 current_function_nothrow.
9130 (output_return_instruction, output_func_prologue): Use it.
9131 (arm_output_epilogue, arm_expand_prologue): Likewise.
9133 2000-03-27 Tom Tromey <tromey@cygnus.com>
9135 * gcc.c (handle_braces): In {x*...} case, break out of loop if
9138 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9140 * expr.c (store_constructor): SIZE now signed.
9141 For EXPR_SIZE, don't evaluate size; just needed if constant.
9142 * fold-const.c (fold): Fix a number of cases when folded tree is
9144 * function.c (flush_addressof): Reenable.
9145 * tree.h (flush_addressof): Likewise.
9146 * toplev.c (independent_decode_option): Look at strings_processed.
9147 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
9149 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
9151 * sibcall.c (indentify_call_return_value): Find last call in the chain;
9152 Allow stack adjustment after function call.
9154 * regmove.c (struct csa_memlist): Make mem field rtx *.
9155 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
9156 (try_apply_stack_adjustment): Replace whole MEM rtx.
9157 (combine_stack_adjustments_for_block): Update calls
9158 to record_one_stack_ref.
9160 2000-03-28 Neil Booth <NeilB@earthling.net>
9162 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
9163 '\\' rather than a null character, so nulls are not special. Fix
9164 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
9165 speed trigraph conversion.
9166 (_cpp_init_input_buffer): Initialize trigraph map.
9168 2000-03-27 Alan Modra <alan@linuxcare.com.au>
9170 * config/i386/i386.c (output_387_binary_op): Correct intel
9171 mode assembly output, and add spaces after commas in AT&T
9172 output. Correct Unixware assembler comment. Document input
9173 constraints. Comment fp operations. Reduce profligate buffer
9174 size. Remove extraneous abort. Localize temp var.
9175 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
9176 (output_fix_trunc): Add spaces after commas in assembly output.
9178 2000-03-27 Richard Henderson <rth@cygnus.com>
9180 * i386-protos.h (ix86_match_ccmode): Declare.
9181 * i386.c (ix86_match_ccmode): New.
9182 (ix86_expand_fp_compare): Update for pattern renames.
9183 (ix86_expand_strlensi_unroll_1): Likewise.
9184 * i386.h (EXTRA_CC_MODES): Add CCZ.
9185 (SELECT_CC_MODE): Use it for EQ/NE zero.
9186 * i386.md (cmpsi_ccz_1): New.
9188 (*testsi_ccz_1): New.
9189 (testqi_ccz_1): New.
9190 (cmpsi_ccno_1): Rename from cmpsi_0.
9191 (testsi_ccno_1): Rename from testsi_1.
9192 (testqi_ccno_1): Rename from testqi_1.
9193 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
9194 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
9195 (*cmphi_0): Use ix86_match_ccmode.
9196 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
9197 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
9198 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
9199 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
9200 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
9201 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
9202 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
9203 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
9204 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
9205 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
9206 (appropriate peepholes): Likewise.
9207 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
9208 (*subsi_3, *subhi_3, *subqi_3): Remove.
9209 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
9210 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
9211 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
9212 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
9213 (x86_shift_adj_1): Use CCZ.
9214 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
9216 2000-03-27 Stan Cox <scox@cygnus.com>
9218 * resource.h (mark_resource_type): New.
9219 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
9220 find_free_register): Use mark_resource_type.
9221 (mark_set_resources): Change include_delayed_effects
9222 to mark_resource_type.
9223 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
9224 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
9225 Use mark_resource_type.
9227 2000-03-27 Richard Henderson <rth@cygnus.com>
9229 * i386.md (call_pop_0, call_value_pop_0): New.
9230 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
9231 (call_value_pop_1): Likewise.
9232 (call_0, call_value_0): New.
9233 (call_1, call_value_1): Remove constraint from unused arg.
9235 2000-03-27 Nick Clifton <nickc@cygnus.com>
9237 * invoke.texi (Spec Files): Document new spec % command created by
9238 Tom Tromey's recent patch.
9240 2000-03-27 Jakub Jelinek <jakub@redhat.com>
9242 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
9245 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9247 * expr.c (expand_assignment): Fix typo in last change.
9249 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
9251 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9253 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
9254 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
9255 and DECL_INLINE if FUNCTION_DECL.
9256 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
9257 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
9258 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
9259 (combine_parm_decls): Likewise.
9260 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
9261 * print-tree.c (print_node): Likewise.
9262 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
9263 DECL_TRANSPARENT_UNION on proper decl types.
9264 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
9265 * stor-layout.c (layout_decl): Only check DECL_PACKED and
9266 DECL_BIT_FIELD of FIELD_DECL.
9267 * tree.h (DECL_RESULT_FLD): New macro.
9269 * expr.c (expand_assignment): Add code to handle variable-sized
9272 2000-03-26 Richard Henderson <rth@cygnus.com>
9274 * calls.c (expand_call): Pass parms not original exp to
9275 optimize_tail_recursion. Mind return value instead of looking
9277 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
9278 call_expr. Move checks for call_expr and current_function_decl ...
9279 (expand_return): ... here.
9281 2000-03-26 Tom Tromey <tromey@cygnus.com>
9283 * gcc.c (handle_braces): Recognize `%{<S}' construct.
9284 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
9286 (process_command): Use them.
9287 (check_live_switch): Likewise.
9288 (give_switch): Skip ignored switches.
9290 2000-03-26 Jan Hubicka <jh@suse.cz>
9292 * jump.c (jump_optimize_1): Fix typo in elide optimizations
9293 for minimal jump pass test.
9295 2000-03-26 Mark Mitchell <mark@codesourcery.com>
9297 * integrate.c (function_cannot_inline_p): Do inline functions that
9300 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9302 * stor-layout.c (layout_type, set_sizetype): early_type_list is
9303 now a list of TREE_LIST entries, not types.
9304 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
9306 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
9307 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
9309 * config/mips/mips.c (function_arg): Likewise; also remove cast
9310 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
9311 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
9312 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
9313 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
9314 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
9315 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
9316 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
9317 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
9318 num_adjusts now unsigned.
9319 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
9320 * config/sparc/sparc.c (struct function_arg_record_value_parms):
9322 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
9323 as is BITPOS variable; use host_integerp and int_bit_position.
9324 (function_arg_record_value_2): Likewise.
9325 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
9326 Variable REGNO now unsigned.
9327 (function_arg_record_value): NREGS now unsigned.
9329 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
9331 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
9333 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9335 * Rework fields used to describe positions of bitfields and
9336 modify sizes to be unsigned and use HOST_WIDE_INT.
9337 * alias.c (reg_known_value_size): Now unsigned.
9338 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
9339 (really_start_incremental_init): Use bitsize_zero_node.
9340 (push_init_level, pop_init_level, output_init_element): Likewise.
9341 Use bitsize_unit_node and bitsize_one_node.
9342 (output_pending_init_elements, process_init_element): Likewise.
9343 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
9344 (make_extraction): Position and length HOST_WIDE_INT and unsigned
9345 HOST_WIDE_INT, respectively.
9346 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
9347 (num_sign_bit_copies): Returns unsigned.
9348 BITWIDTH now unsigned; rework arithmetic.
9349 Remove recursive call from arg to MAX.
9350 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
9351 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
9353 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
9354 (find_split_point, expand_compound_operation, make_extraction): LEN
9355 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
9356 (make_field_assignment): Likewise.
9357 (combine_simplify_rtx): Add cast.
9358 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
9359 (force_to_mode): WIDTH now unsigned; add cast.
9360 (if_then_else_cond): SIZE now unsigned.
9361 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
9362 (extended_count): Now returns unsigned.
9363 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
9364 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
9365 (simplify_comparison): MODE_WIDTH now unsigned.
9366 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
9367 (mark_used_regs_combine): Likewise; rework arithmetic.
9368 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
9369 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
9370 (record_promoted_value): REGNO now unsigned.
9371 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
9372 (get_last_value): REGNO now unsigned.
9373 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
9374 (reg_dead_regno, reg_dead_endregno): Now unsigned.
9375 (remove_death): Arg REGNO now unsigned.
9376 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
9377 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
9379 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
9380 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
9381 (struct cse_reg_info): REGNO now unsigned.
9382 (cached_regno): Now unsigned.
9383 (REGNO_QTY_VALID_P): Add cast.
9384 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
9385 (remove_invalid_regs): Likewise.
9386 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
9387 as are variables END and I.
9388 (get_cse_reg_info, insert): Likewise.
9389 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
9390 (canon_hash): Likewise.
9391 (insert_regs, lookup_for_remove): REGNO now unsigned.
9392 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
9394 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
9395 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
9396 * emit-rtl.c (subreg_realpart_p): Add cast.
9397 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
9398 (operand_subword_force): Arg I is now unsigned.
9399 * except.c (eh_regs): Variable I is now unsigned.
9400 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
9401 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
9402 length is unsigned HOST_WIDE_INT; likewise for internal variables.
9403 (store_split_bit_field, extract_fixed_bit_field): Likewise.
9404 (extract_split_bit_field, store_bit_field, extract_bit_field):
9406 * expr.c (store_constructor_fields, store_constructor, store_field):
9407 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
9408 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
9409 (do_jump): Likewise.
9410 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
9411 MAX_SIZE is now unsigned.
9412 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
9413 (emit_group_store): Likewise.
9414 (emit_move_insn): I now unsigned.
9415 (store_constructor): Use host_integerp, tree_low_cst, and
9417 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
9418 Rework all calculations to use trees and new fields.
9419 * expr.h (promoted_input_arg): Regno now unsigned.
9420 (store_bit_field, extract_bit_field): Adjust types of pos and size.
9421 (mark_seen_cases): Arg is HOST_WIDE_INT.
9422 * flow.c (verify_wide_reg_1): REGNO now unsigned.
9423 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
9424 precisions and alignments are unsigned.
9425 (optimize_bit_field_compare, fold_truthop): Likewise.
9426 (int_const_binop): Adjust threshold for size_int_type_wide call.
9427 (fold_convert): Likewise.
9428 (size_int_type_wide): Make table larger and fix thinko that only
9429 had half of table used.
9430 (all_ones_mask_p, fold): Precisions are unsigned.
9431 * function.c (put_reg_info_stack): REGNO is unsigned.
9432 (instantiate_decl): Size is HOST_WIDE_INT.
9433 (instantiate_virtual_regs): I is unsigned.
9434 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
9435 (promoted_input_arg): REGNO is unsigned.
9436 * function.h (struct function): x_max_parm_reg is now unsigned.
9437 * gcse.c (max_gcse_regno): Now unsigned.
9438 (struct null_pointer_info): min_reg and max_reg now unsigned.
9439 (lookup_set, next_set): REGNO arg now unsigned.
9440 (compute_hash_table): REGNO and I now unsigned.
9441 (handle_avail_expr): regnum_for_replacing now unsigned.
9442 (cprop_insn): REGNO now unsigned.
9443 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
9444 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
9445 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
9446 * hard-reg-set.h (reg_class_size): Now unsigned.
9447 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
9448 * jump.c (mark_modified_reg): I now unsigned; add cast.
9449 (rtx_equal_for_thread_p): Add cast.
9450 * loop.c (max_reg_before_loop): Now unsigned.
9451 (struct_movable): REGNO now unsigned.
9452 (try_copy_prop): REGNO arg unsigned.
9453 (regs_match_p): XN and YN now unsigned.
9454 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
9455 (strength_reduce): Likewise; NREGS also unsigned.
9456 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
9457 * loop.h (struct iv_class): REGNO now unsigned.
9458 (max_reg_before_loop, first_increment_giv, last_increment_giv):
9460 * machmode.h (mode_size, mode_unit_size): Now unsigned.
9461 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
9462 * optabs.c (expand_binop): I and NWORDS now unsigned.
9463 (expand_unop): I now unsigned.
9464 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
9465 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
9466 * real.c (significand_size): Now returns unsigned.
9467 * real.h (significand_size): Likewise.
9468 * regclass.c (reg_class_size): Now unsigned.
9469 (choose_hard_reg_mode): Both operands now unsigned.
9470 (record_reg_classes): REGNO and NR now unsigned.
9471 (reg_scan): NREGS now unsigned.
9472 (reg_scan_update): old_max_regno now unsigned.
9473 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
9474 * reload.c (find_valid_class): BEST_SIZE now unsigned.
9475 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
9476 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
9477 Likewise for variable R.
9478 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
9479 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
9480 (find_equiv_reg): Add casts.
9481 (regno_clobbered_p): Arg REGNO now unsigned.
9482 * reload.h (struct reload): NREGS now unsigned.
9483 (refers_to_regno_for_reload_p): Regno args are unsigned.
9484 (regno_clobbered_p): Likewise.
9485 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
9486 (compute_use_by_pseudos): REGNO now unsigned.
9487 (find_reg): I and J now unsigned, new variable K, and change loop
9488 variables accordingly; THIS_NREGS now unsigned.
9489 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
9490 (spill_hard_reg): REGNO arg now unsigned; add casts.
9491 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
9492 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
9493 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
9494 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
9495 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
9496 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
9497 (emit_reload_insns): REGNO now unsigned.
9498 (reload_cse_move2add): Add cast.
9499 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
9501 * resource.c (mark_referenced_resources, mark_set_resources): New
9502 variable R; REGNO and LAST_REGNO now unsigned.
9503 (mark_target_live_regs): J and REGNO now unsigned.
9504 * rtl.c (mode_size, mode_unit_size): Now unsigned.
9505 * rtl.h (union rtunion_def): New field rtuint.
9506 (XCUINT): New macro.
9507 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
9508 (operand_subword, operand_subword_force): Word number is unsigned.
9509 (choose_hard_reg_mode): Operands are unsigned.
9510 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
9511 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
9512 (regno_use_in, combine_instructions, remove_death): Likewise.
9513 (reg_scan, reg_scan_update): Likewise.
9514 (extended_count): Return is unsigned.
9515 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
9516 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
9517 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
9518 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
9519 (reg_reg_last_1): FIRS and LAST now unsigned.
9520 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
9521 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
9523 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
9524 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
9525 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
9526 (replace_regs): Arg NREGS now unsigned.
9527 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
9528 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
9529 (simplify_binary_operation): Likewise.
9530 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
9531 THIS_LAST now unsigned.
9532 (cselib_record_set): Add cast.
9533 * ssa.c (ssa_max_reg_num): Now unsigned.
9534 (rename_block): REGNO now unsigned.
9535 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
9537 (all_cases_count): Just return -1 not -2.
9538 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
9539 Rework tests to use trees whenever possible.
9540 Use host_integerp and tree_low_cst.
9541 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
9542 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
9543 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
9544 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
9545 (smallest_mode_for_size): Likewise.
9546 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
9547 KNOWN_ALIGN is now an alignment, so simplify code.
9548 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
9549 (start_record_layout): Renamed from new_record_layout_info.
9550 Update to new fields.
9551 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
9553 (place_union_field): Renamed from layout_union_field.
9554 Update to use new fields in rli.
9555 (place_field): Renamed from layout_field.
9556 Major rewrite to use new fields in rli; pass alignment to layout_decl.
9557 (finalize_record_size): Rework to use new fields in rli and handle
9559 (compute_record_mode): Rework to simplify and to use new DECL fields.
9560 (finalize_type_size): Make rounding more consistent.
9561 (finish_union_layout): Deleted.
9562 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
9563 (layout_type, case RECORD_TYPE): Call new function names.
9564 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
9565 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
9566 (get_best_mode): UNIT is now unsigned; remove casts.
9567 * tree.c (bit_position): Compute from new fields.
9568 (byte_position, int_byte_position): New functions.
9569 (print_type_hash_statistics): Cast to remove warning.
9570 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
9571 (build_index_type): Likewise; make subtype of sizetype.
9572 (build_index_2_type): Pass sizetype to build_range_type.
9573 (build_common_tree_nodes): Use size_int and bitsize_int to
9574 initialize nodes; add bitsize_{zero,one,unit}_node.
9575 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
9576 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
9577 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
9578 (DECL_FIELD_BITPOS): Deleted.
9579 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
9580 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
9581 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
9582 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
9583 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
9584 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
9585 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
9586 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
9587 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
9588 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
9589 (DECL_ALIGN): Adjust to new field in union.
9590 (DECL_OFFSET_ALIGN): New field.
9591 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
9592 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
9593 (union tree_decl): Add struct for both aligns.
9594 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
9595 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
9596 (struct record_layout_info): Rework fields to have offset
9597 alignment and byte and bit position.
9598 (start_record_layout, place_field): Renamed from old names.
9599 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
9600 (byte_position, int_byte_position): Likewise.
9601 (get_inner_reference): Change types of position and length.
9602 * unroll.c (unroll_loop): New variable R; use for some loops.
9603 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
9604 (calculate_giv_inc): Arg REGNO now unsigned.
9605 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
9606 * varasm.c (assemble_variable): Clean up handling of size using
9607 host_integerp and tree_low_cst.
9608 (decode_addr_const): Use byte, not bit, position.
9609 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
9610 use tree_low_cst and int_bit_position.
9611 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
9613 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
9615 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
9616 (reorder_block_def): New members eff_head and eff_end.
9617 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
9618 (verify_insn_chain): New function.
9619 (skip_insns_between_block): Add code to skip deleted insns.
9620 Check for note before using.
9621 (chain_reorder_blocks): Replace calls to skip_insns_between_block
9622 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
9623 Check for note before using.
9624 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
9625 (fixup_reorder_chain): Restructure, clean up, defect removal.
9626 (reorder_basic_blocks): Remove last_insn and references to it.
9627 Moved insn chain verification code into a new function (see above).
9628 Delete defective code that sets last insn.
9629 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
9632 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9634 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
9636 2000-03-24 Richard Henderson <rth@cygnus.com>
9638 * tree.c (lang_safe_for_unsave): Remove.
9639 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
9640 allowing for two levels of unsafeness. Remove lang hook.
9641 * tree.h: Update declarations.
9642 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
9643 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
9644 Always fail sibcalls when there are pending cleanups.
9646 2000-03-24 Geoff Keating <geoffk@cygnus.com>
9648 * flow.c (propagate_block): When we delete an ADDR_VEC,
9649 also delete the BARRIER following it if there is one.
9651 2000-03-24 Richard Henderson <rth@cygnus.com>
9653 * builtins.c (expand_builtin_bzero): Convert `length' argument
9656 2000-03-24 Jakub Jelinek <jakub@redhat.com>
9658 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
9659 comparison if regno's are equal.
9660 * calls.c (initialize_argument_informat): Add ecf_flags argument.
9661 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9662 (expand_call): Update caller.
9663 Avoid making a sibling call if argument size of the callee is larger
9664 than argument size of the caller.
9665 Call hard_function_value with outgoing set if in sibcall pass.
9666 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9668 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
9669 Change LEAF_REGISTERS from an array initializer to actual array
9670 identifier. Move static global variable into the function.
9671 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
9672 sequences for leaf functions.
9673 * global.c (global_alloc): Likewise.
9674 * tm.texi (LEAF_REGISTERS): Update documentation.
9676 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
9677 TARGET_FLAT leaf disabling hack.
9678 (LEAF_REGISTERS): Changed from an array initializer to actual array
9679 identifier to avoid duplication and remove the above hack.
9680 (FUNCTION_OK_FOR_SIBCALL): Define.
9681 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
9682 always like call attribute.
9683 (eligible_for_sibcall_delay): New attribute.
9684 (sibcall): New delay type.
9685 (sibcall, sibcall_value, sibcall_epilogue): New expands.
9686 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
9687 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
9688 * config/sparc/sparc.c (sparc_leaf_regs): New array.
9689 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
9691 (output_function_epilogue): Move part of the code into
9692 output_restore_regs.
9693 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
9695 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
9698 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
9699 until infrastructure is finished.
9701 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
9703 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
9704 (save_parm_insns): Not here.
9706 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9708 * builtins.c (expand_builtin_bzero): New function.
9709 (expand_builtin): Handle bzero.
9711 * builtins.def: Add BUILT_IN_BZERO.
9713 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9714 prototype & function for bzero.
9716 2000-03-23 Michael Meissner <meissner@redhat.com>
9718 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
9719 change adding TARGET_FP to the TF floating point insns, except for
9720 trunctfsf2, which generates direct calls to truncdfsf2.
9722 2000-03-23 Geoff Keating <geoffk@cygnus.com>
9724 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
9725 try to protect against middle-end changes that break binary
9727 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
9729 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9731 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
9733 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9735 * calls.c (expand_call): If TARGET is passed by reference and
9736 is readonly, write a CLOBBER.
9738 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9740 * builtins.c (expand_builtin): Handle bcmp.
9742 * builtins.def: Add BUILT_IN_BCMP.
9744 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9745 prototype & function for bcmp.
9747 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
9749 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
9750 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
9751 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
9753 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
9755 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
9756 alternative when using -fp64 -gp32.
9758 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9760 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
9761 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
9762 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
9764 * frame.h (frame_state): Revert last change.
9765 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
9766 * libgcc2.c (throw_helper): Revert last change.
9768 2000-03-22 Richard Henderson <rth@cygnus.com>
9770 * stmt.c (expand_asm_operands): Don't promote the temporary.
9772 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
9774 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
9775 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
9776 c_get_alias_set): Likewise.
9777 * c-decl.c (duplicate_decls): Likewise.
9778 * c-typeck.c (default_conversion,build_unary_op): Likewise.
9779 * calls.c (initialize_argument_information): Likewise.
9780 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9782 * dwarfout.c (decl_class_context,output_type): Likewise.
9783 * expr.c (get_inner_reference): Likewise.
9784 * fold-const.c (simple_operand_p,fold): Likewise.
9785 * function.c (aggregate_value_p): Likewise.
9786 * stmt.c (expand_asm_operands): Likewise.
9787 * varasm.c (named_section): Likewise.
9789 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9791 Implement dwarf2 exception handling for the ARM.
9792 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9793 (DWARF_FRAME_RETURN_COLUMN): Define.
9794 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
9795 REG_FRAME_RELATED_EXPR note.
9796 (emit_sfm): Likewise.
9797 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9798 * dwarf2out.c (reg_save): Handle saving a register to itself.
9799 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9800 * except.c (eh_regs): Don't use the static chain reg if it's
9802 * frame.h (frame_state): Add cfa_saved field.
9803 * frame.c (execute_cfa_insn): Set it.
9804 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9806 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9808 (instantiate_virtual_regs): Adjust.
9810 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9811 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9812 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9814 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9815 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9817 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9819 * builtins.def: New file.
9821 * Makefile.in (TREE_H): Depend on builtins.def.
9823 * builtins.c (built_in_names): Use builtins.def.
9825 * tree.h (built_in_function): Likewise.
9827 2000-03-22 Mark Mitchell <mark@codesourcery.com>
9829 * tree.c (size_in_bytes): Return size_zero_node, not
9832 2000-03-22 Geoff Keating <geoffk@cygnus.com>
9834 * config/fp-bit.c (pack_d): Correct the case when a denormal
9835 is rounded up and stops being denormal.
9837 2000-03-21 Richard Henderson <rth@cygnus.com>
9839 * config/alpha/alpha.c (function_arg): Check for void_type_node
9840 before using MUST_PASS_IN_STACK.
9842 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
9844 * regmove.c (combine_stack_adjustments_for_block): Check that
9845 the stack pointer is a valid memory address.
9847 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
9849 * calls.c: re-install Mar 16 emit_library_call merge.
9851 2000-03-21 Jakub Jelinek <jakub@redhat.com>
9853 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9854 we cannot be sure that if reload_completed base register will
9855 be properly aligned.
9857 2000-03-21 Richard Henderson <rth@cygnus.com>
9859 * flow.c (delete_block): Fix typo last change.
9861 2000-03-21 Mark Mitchell <mark@codesourcery.com>
9863 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9864 not COMPLETE_TYPE_P, to check the type of the expression.
9866 2000-03-21 Michael Meissner <meissner@redhat.com>
9868 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9869 all floating point insns that just tested the macro
9870 TARGET_HAS_XFLOATING_LIBS.
9871 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9872 used to only use the gprs.
9874 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
9876 * tree.h (COMPLETE_TYPE_P): New macro.
9877 (COMPLETE_OR_VOID_TYPE_P): New macro.
9878 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9879 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9880 * c-aux-info.c (gen_type): Use them.
9881 * c-common.c (c_expand_expr_stmt): Likewise.
9882 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9883 grokdeclarator, grokparms, finish_struct, start_function,
9884 store_parm_decls, combine_parm_decls): Likewise.
9885 * c-parse.y (cast_expr): Likewise.
9886 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9887 c_size_in_bytes, c_alignof, build_component_ref,
9888 build_indirect_ref, build_array_ref, convert_arguments,
9889 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9890 * calls.c (initialize_argument_information): Likewise.
9891 * convert.c (convert_to_integer): Likewise.
9892 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9893 * dwarfout.c (location_or_const_value_attribute,
9894 output_enumeration_type_die, output_structure_type_die,
9895 output_union_type_die, output_type): Likewise.
9896 * expr.c (safe_from_p, expand_expr): Likewise.
9897 * function.c (assign_parms): Likewise.
9898 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9899 * tree.c (build_array_type, build_function_type,
9900 build_method_type, build_offset_type, build_complex_type): Likewise.
9901 * c-parse.c, c-parse.h: Regenerated.
9903 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9905 * config/c4x/rtems.h: Include config/rtems.h.
9907 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
9909 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9910 decl is a FUNCTION_DECL
9912 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
9914 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9915 function uses output registers. Don't save RP for leaf functions.
9916 Do save RP even if no epilogue.
9917 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9918 (CALL_USED_REGISTERS): Unmark in registers.
9919 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
9922 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9924 * config/rs6000/rs6000.md (bunordered): New expander.
9925 (bordered): New expander.
9926 (buneq): New expander.
9927 (bunge): New expander.
9928 (bungt): New expander.
9929 (bunle): New expander.
9930 (bunlt): New expander.
9931 (bltgt): New expander.
9933 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
9934 (ccr_bit_negated_p): New function.
9935 (print_operand): For %C, generate appropriate cror for UNEQ,
9936 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
9938 2000-03-20 Andreas Jaeger <aj@suse.de>
9940 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
9943 * tree.h (safe_for_unsave): Prototype.
9945 2000-03-20 Richard Henderson <rth@cygnus.com>
9947 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
9948 (combine_stack_adjustments_for_block): Don't allow sp references
9949 in the side of a set we're not fixing up.
9950 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
9951 after life_analysis.
9953 2000-03-20 Richard Henderson <rth@cygnus.com>
9955 * calls.c (expand_call): Don't bother generating tail call
9956 sequences if there are pending cleanups. Use
9957 expand_start_target_temps/expand_end_target_temps to elide
9958 cleanups created during sibcall expansion.
9960 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9962 * configure.in: Set $IFS to a value if it doesn't already have one
9963 in the --enable-checking handling.
9964 * configure: Regenerate.
9966 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9968 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
9969 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9972 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
9974 * jump.c (delete_noop_moves): Remove code attempting to
9975 combine stack adjustments.
9977 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9979 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
9980 * except.c (emit_cleanup_handler): Use them.
9981 (expand_end_all_catch): Likewise.
9982 * function.c (fixup_var_refs): Likewise.
9983 (expand_function_end): Clear catch_clauses_last.
9984 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
9985 * except.h (struct eh_status): New field x_catch_clauses_last.
9986 (catch_clauses_last): New define.
9988 * Makefile.in (tree.o): Depend on HASHTAB_H.
9989 * tree.c: Include hashtab.h.
9990 (struct type_hash): Remove next field.
9991 (TYPE_HASH_SIZE): Remove.
9992 (TYPE_HASH_INITIAL_SIZE): New define.
9993 (type_hash_table): Change type to htab_t.
9994 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
9995 mark_hash_entry): New functions.
9996 (init_obstacks): Allocate type hash.
9997 (type_hash_lookup): Use htab functions.
9998 (type_hash_add, mark_type_hash): Likewise.
9999 (dump_tree_statistics): Call print_type_hash_statistics.
10001 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10003 * rs6000/t-aix41: New file.
10005 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10007 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10009 * tm.texi (Driver): Fix typos and tweak entry for
10011 Move misplaced STRUCT_FORCE_BLK entry ...
10012 (Storage Layout): ... to here.
10013 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10015 2000-03-19 Richard Henderson <rth@cygnus.com>
10017 * flow.c (delete_block): Delete the addr_vec along with the block.
10018 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10021 * fold-const.c (extract_muldiv): Apply type check for defined
10022 overflow to multiply as well as divide.
10024 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10026 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10028 * emit-rtl.c (remove_unncessary_notes): Check that all
10029 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10030 associated NOTE_BLOCK.
10031 * function.h (identify_blocks): Update comments.
10032 (reorder_blocks): Declare.
10033 * function.c (identify_blocks): Don't take paramters.
10034 (reorder_blocks): Don't take parameters.
10035 * loop.h (find_loop_tree_blocks): Remove.
10036 (unroll_block_trees): Likewise.
10037 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10038 reorder_blocks instead of unroll_block_trees.h
10039 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10040 * stmt.c (find_loop_tree_blocks): Remove.
10041 (unroll_block_trees): Likewise.
10042 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10043 in whole-function mode.
10044 * tree.h (reorder_blocks): Remove declaration.
10046 * expr.c: Include intl.h.
10047 * Makefile.in (expr.o): Depend on intl.h.
10049 2000-03-18 Richard Henderson <rth@cygnus.com>
10051 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10053 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10055 * tree.h (tree_index): Remove enumerals for integer types.
10056 (integer_type_kind): New type.
10057 (integer_types): New variable.
10058 (char_type_node): Adjust.
10059 (signed_char_type_node): Likewise.
10060 (unsigned_char_type_node): Likewise.
10061 (short_integer_type_node): Likewise.
10062 (short_unsigned_type_node): Likewise.
10063 (integer_type_node): Likewise.
10064 (unsigned_type_node): Likewise.
10065 (long_integer_type_node): Likewise.
10066 (long_unsigned_type_node): Likewise.
10067 (long_long_integer_type_node): Likewise.
10068 (long_long_unsigned_type_node): Likewise.
10069 * tree.c (integer_types): New variable.
10070 (init_obstacks): Register it as a root.
10072 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10074 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10075 NEXT_INSN. Update last insn in chain.
10077 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10079 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10080 with TYPE_DECL_SUPPRESS_DEBUG set.
10082 2000-03-18 Richard Henderson <rth@cygnus.com>
10084 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10086 2000-03-18 Richard Henderson <rth@cygnus.com>
10088 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10089 care for HALF_PIC_P.
10090 (expander_call_insn_operand): Remove.
10091 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10092 * i386.h (PREDICATE_CODES): Update.
10093 * i386.md (all call expanders): Remove predicates, remove special
10094 handling for half-pic.
10095 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10096 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10097 (sibcall_epilogue): New.
10099 2000-03-17 Richard Henderson <rth@cygnus.com>
10101 * rtlanal.c (single_set): Reject if the parallel has anything
10102 except SET or USE or CLOBBER.
10104 2000-03-17 Jeff Law <law@cygnus.com>
10105 Richard Henderson <rth@cygnus.com>
10107 * Makefile.in (OBJS): Add sibcall.o.
10109 * sibcall.c: New file.
10110 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
10111 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
10112 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
10113 Emit sibcall patterns when requested. Update all callers.
10114 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
10115 elimination seems feasable.
10116 * final.c (leaf_function_p): Sibling calls don't discount being
10118 * flow.c (HAVE_sibcall_epilogue): Provide default.
10119 (find_basic_blocks_1): Sibling calls don't throw.
10120 (make_edges): Make edge from sibling call to EXIT.
10121 (propagate_block): Don't remove sibcall_epilogue insns.
10122 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
10123 (sibcall_epilogue): New.
10124 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
10125 (identify_blocks_1): Likewise. Break out from ...
10126 (identify_blocks): ... here.
10127 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
10128 (reorder_blocks): ... here.
10129 (init_function_for_compilation): Zap prologue/epilogue as varrays.
10130 (record_insns): Extend a varray instead of mallocing new memory.
10131 (contains): Read a varray not array of ints.
10132 (sibcall_epilogue_contains): New.
10133 (thread_prologue_and_epilogue_insns): Emit and record
10134 sibcall_epilogue patterns.
10135 (init_function_once): Allocate prologue/epilogue varrays.
10136 * genflags.c (gen_insn): Treat sibcall patterns as calls.
10137 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
10138 Broken out from ...
10139 (save_for_inline_nocopy): ... here.
10140 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
10141 Broken out from ...
10142 (expand_inline_function): ... here.
10143 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
10144 (subst_constants): Handle 'n' formats.
10145 * jump.c (jump_optimize_minimal): New.
10146 (jump_optimize_1): New arg `minimal'; update callers. Elide most
10147 optimizations if it's set.
10148 * rtl.c (copy_rtx): Do copy jump & call for insns.
10149 * rtl.h (struct rtx_def): Document use of jump and call for insns.
10150 (SIBLING_CALL_P): New.
10151 (sibcall_use_t): New.
10152 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
10153 Invoke optimize_sibling_and_tail_recursive_calls.
10154 * tree.c (lang_safe_for_unsave): New.
10155 (safe_for_unsave): New.
10156 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
10158 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
10159 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
10160 (*sibcall_osf_1, *sibcall_value_osf_1): New.
10162 2000-03-17 Mark Mitchell <mark@codesourcery.com>
10164 * objc/objc-act.c (encode_method_prototype): Pass types, not
10165 PARM_DECLs, to int_size_in_bytes.
10167 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
10169 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
10171 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10172 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
10174 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10176 * Clean up usages of TREE_INT_CST_LOW.
10177 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
10178 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10180 * c-tree.h (min_precision): Move declaration to here.
10181 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
10182 (build_unary_op, add_pending_init): Use bit_position.
10183 (pending_init_member, process_init_element): Likewise.
10184 (really_start_incremental_init, push_init_level, pop_init_level):
10185 Don't make copies of nodes or modify them in place, use consistent
10186 types when tracking positions, and use tree routines computations.
10187 (set_init_index, output_init_element): Likewise.
10188 (output_pending_init_elements, process_init_element): Likewise.
10189 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
10190 tree_low_cst and int_bit_position; also minor cleanup.
10191 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
10192 (print_cst_octal): Precision is unsigned.
10193 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
10194 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
10195 (simple_type_align_in_bits): Result is unsigned int.
10196 Use tree_int_low_cst and host_integerp.
10197 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
10198 (field_byte_offset): Result is HOST_WIDE_INT.
10199 Change types of internal variables so alignments are unsigned int,
10200 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
10201 Use host_integerp, tree_low_cst, and int_bit_position.
10202 (add_bit_offset_attribute): Likewise.
10203 (add_data_member_location_attribute): Use tree_cst_low.
10204 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
10205 (add_bit_size_attribute): Use tree_low_cst.
10206 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
10207 * dwarfout.c: Similar changes to dwarf2out.c.
10208 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
10209 * genoutput.c (n_occurences): Return -1 for null string.
10210 (strip_whitespace): Accept null string and make into function.
10211 (scan_operands): Reflect above changes.
10212 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
10213 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
10214 * ssa.c (rename_registers): Add missing cast of arg to bzero.
10215 * tree.c (int_size_in_bytes): Check for too big to represent.
10216 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
10217 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
10219 (min_precision): Delete from here.
10220 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
10221 and int_bit_position.
10222 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
10223 (encode_method_def): Likewise.
10224 (build_ivar_list_initializer): Use int_bit_position.
10225 (generate_shared_structures): Convert size.
10226 (encode_type, encode_complete_bitfield): Use integer_zerop.
10227 (encode_bitfield): Use tree_low_cst and int_bit_position.
10229 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10231 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
10233 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10235 * call.c (special_function_p): It is only malloc if it returns
10238 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10240 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
10241 (C33_FLAG, TARGET_C3X): Add macros.
10242 (TARGET_SWITCHES): Add -m33 option.
10243 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
10245 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10247 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
10248 (PARALLEL_PACK_FLAG): Delete.
10249 (TARGET_SWITCHES): Update.
10250 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
10252 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10254 * fold-const.c (fold): Fix a few cases when the returned result
10255 is not of the same type as the input.
10257 2000-03-16 Nick Clifton <nickc@cygnus.com>
10259 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
10262 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10264 * libgcc2.h: Move prototypes above macros with the same name.
10265 Wrap some function prototypes in the conditional which indicates
10266 whether they are supported, i.e. "BITS_PER_UNIT == 8".
10268 2000-03-16 Richard Henderson <rth@cygnus.com>
10270 * calls.c: Revert last two changes.
10272 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
10274 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
10275 has exponent 0 is a zero.
10277 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
10278 HASH may already be nonzero. Add code/mode into hash value
10279 immediately after repeat label.
10280 (cselib_lookup): Don't leave the hash table in an inconsistent
10281 state before a hash lookup operation.
10283 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
10285 * i386.md (all HI and QI mode non-move patterns): Conditionize
10286 by TARGET_[HQ]IMODE_MATH.
10287 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10288 x86_promote_qi_regs): Declare.
10289 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
10290 TARGET_PROMOTE_QI_REGS): New macros.
10291 (PROMOTE_MODE): New macro.
10292 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10293 x86_promote_qi_regs): New global variables.
10295 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
10297 * calls.c (emit_library_call_value_1): Break out from ...; handle
10298 VOIDmode function calls too.
10299 (emit_library_call_value): ... here.
10300 (emit_library_call): Implement by calling emit_library_call_value_1.
10302 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10304 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
10305 Update arg_space_so_far on stack adjustments.
10306 (emit_library_call, emit_library_call_value): Likewise; take into
10307 account arg_space_so_far and pending_stack_adjust when calculcating
10310 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
10312 * flow.c: Move all basic block reordering code into its own file.
10313 (create_basic_block): Externalize.
10314 * bb-reorder.c: New file. Copy all basic block reordering code from
10315 flow.c to this file.
10316 (reorder_basic_blocks): Fix fencepost error in for-loop.
10317 (reorder_basic_blocks): Remove braces from single statement for-loops.
10318 * basic-block.h: Add declaration for create_basic_block.
10319 * Makefile.in: Add rules for bb-reorder.o.
10321 2000-03-16 Neil Booth <NeilB@earthling.net>
10323 * cppinit.c (handle_option): Implement #unassert directive
10324 as -A- command line option.
10325 (print_help): Update.
10326 * cpptexi.c: Update.
10328 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
10330 * md.texi (Standard Names): Document `jump'.
10332 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10334 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
10337 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10339 Merge changes from newppc-branch onto trunk.
10341 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10343 * rs6000.c (toc_hash_table): Update for new hash table functions.
10344 (toc_hash_function): Likewise.
10345 (toc_hash_eq): Likewise.
10346 (toc_hash_mark_entry): Likewise.
10347 (toc_hash_mark_table): Likewise.
10348 (output_toc): Likewise.
10349 (rs6000_add_gc_roots): Likewise.
10351 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10353 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
10354 (AR_FLAGS_FOR_TARGET): here. New macro.
10356 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
10358 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
10359 fpmem_operand) Delete.
10361 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
10362 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
10363 (rs6000_save_machine_status, rs6000_restore_machine_status,
10364 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
10365 references to above variables.
10366 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
10367 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
10368 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
10369 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
10370 (XER_REGNO_P, XER_REGNO): New.
10371 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
10372 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
10373 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
10375 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10376 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
10377 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
10379 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10381 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
10382 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
10383 * rs6000.h: from here.
10385 * rs6000-protos.h (rs6000_select_section): Provide prototype.
10386 (rs6000_select_rtx_section): Likewise.
10387 (rs6000_encode_section_info): Likewise.
10388 (sdata_section): Likewise.
10389 (sdata2_section): Likewise.
10390 (sbss_section): Likewise.
10391 * sysv4.h (rs6000_select_section): Delete prototype.
10392 (rs6000_select_rtx_section): Likewise.
10393 (rs6000_encode_section_info): Likewise.
10394 (sdata_section): Likewise.
10395 (sdata2_section): Likewise.
10396 (sbss_section): Likewise.
10397 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
10399 * sysv4.h: Delete various unnecessary #undef's and put a comment
10400 on the remaining ones.
10401 Change various comments according to coding standard.
10403 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
10405 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
10406 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
10407 (CR0_REGNO_P) Remove.
10408 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
10409 setup_incoming_varargs, mtcrf_operation, print_operand,
10410 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
10411 Use the above macros.
10413 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
10415 * config/rs6000/rs6000.md: Added a new alternative for each
10416 pattern that had a 'x' alternative but no 'y' alternative.
10417 Added a new split for each of the above patterns.
10419 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10421 * aix41.h (ASM_CPU_SPEC): Delete.
10422 (CPP_CPU_SPEC): Delete.
10424 * aix.h (RS6000_OUTPUT_BASENAME): Define.
10425 (ASM_OUTPUT_LABEL): Define.
10426 (ASM_GLOBALIZE_LABEL): Define.
10427 (STRIP_NAME_ENCODING): Define.
10428 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
10429 (STRIP_NAME_ENCODING): Don't define.
10430 (ASM_OUTPUT_LABEL): Don't define.
10431 (ASM_GLOBALIZE_LABEL): Don't define.
10432 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
10433 names, and ASM_OUTPUT_LABEL to output labels, rather than
10435 (ASM_OUTPUT_LABEL): Define.
10436 (ASM_OUTPUT_INT): Use assemble_name.
10437 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
10438 (STRIP_NAME_ENCODING): Don't undefine first.
10439 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
10441 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
10442 specified with 'asm' even with -fleading-underscore.
10443 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
10444 (output_epilog): Likewise.
10445 (output_toc): Likewise.
10446 * tramp.asm: Handle -fleading-underscore correctly.
10448 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
10450 (nonlocal_goto_receiver): Delete.
10451 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
10453 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
10454 (SET_ASM_OP): Define.
10455 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
10457 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
10458 (ASM_LONG): Define.
10460 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
10461 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
10463 * rs6000.h: Add 'u' to more constants.
10465 2000-02-18 David Edelsohn <edelsohn@gnu.org>
10467 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
10469 2000-02-15 David Edelsohn <edelsohn@gnu.org>
10471 * rs6000.c (reg_or_u_cint_operand): New function.
10472 (logical_operand): Handle 64-bit hosts.
10473 (logical_u_operand): New function.
10474 (non_logical_cint_operand): Handle 64-bit hosts.
10475 (non_logical_u_cint_operand): New function.
10476 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
10477 (PREDICATE_CODES): Define new functions.
10478 * rs6000-protos.h: Declare new functions.
10479 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
10480 (movdi_64): Bracket code intended for 64-bit hosts. Create
10481 CONST_DOUBLE for 32-bit values.
10482 (scc insns): Generate DImode compares.
10483 (mfcr insns): Create DImode versions.
10484 (sge matchers): New patterns.
10486 2000-02-15 Gabriel Paubert <paubert@iram.es>
10488 * rs6000.md: Correct instructions length attributes and
10489 constraints on unsigned compare instructions.
10490 (*ne0): Disable for PowerPC64.
10492 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10494 * rs6000.c (output_function_profiler): Use .long for a 32-bit
10495 quantity, fix profile1.C test failure under -fPIC.
10497 * rs6000.c: Add 'u' to many constants to suppress warnings.
10498 (constant_pool_expr_1): Make static.
10499 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
10500 * rs6000.h: Add 'u' to many constants to suppress warnings.
10502 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
10503 for the start of the TOC, instead of LCTOC..0.
10504 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
10506 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
10507 (load_toc_aix_di): Use LCTOC..1.
10509 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
10510 * rs6000.c (rs6000_legitimize_address): New function from
10511 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
10512 symbols in the constant pool that really are TOC references.
10513 (print_operand_address): For ELF, write TOC offsets under
10514 -fPIC as subtractions in the insn.
10515 (output_toc): For ELF, define symbols in TOC as normal labels,
10517 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
10518 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
10519 (create_TOC_reference): Prototype only when RTX_CODE is defined.
10520 * rs6000.md (movsi): Only use create_TOC_reference on
10521 symbols in the constant pool that really are TOC references.
10523 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
10524 * rs6000.c (rs6000_reorg): Delete.
10525 * rs6000-protos.h (rs6000_reorg): Delete.
10527 2000-02-09 Geoff Keating <geoffk@cygnus.com>
10529 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
10531 * aix.h (SETUP_FRAME_ADDRESSES): Define.
10532 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
10533 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
10534 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
10535 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
10536 rs6000_aix_emit_builtin_unwind_init.
10537 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
10538 rs6000_emit_eh_toc_restore on AIX.
10539 (return_eh_si): Use r2.
10540 (return_eh_di): Use r2.
10542 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
10543 since we're breaking binary compatibility anyway.
10545 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10547 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
10548 constant_pool_expr_p): Declare them.
10549 (constant_pool_expr_p): Declare it.
10550 * config/rs6000/rs6000.c (toc_label_name): Define.
10551 (rs6000_override_options): Set toc_label_name.
10552 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
10553 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
10554 uses_TOC): New functions.
10555 (print_operand): Delete old '*' case.
10556 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
10557 and strip off rtl for TOC before calling output_addr_const.
10558 (rs6000_emit_load_toc_table): Use toc_label_name.
10559 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
10561 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
10562 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
10563 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
10564 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
10565 into explicit TOC_REGISTER offsets.
10566 (TOC_REGISTER): New macro.
10567 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
10568 TARGET_TOC to reference TOC_REGISTER.
10569 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
10570 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
10571 uses_TOC before emitting label references.
10573 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10575 * rs6000.md (stack_tie): Fix warning.
10577 * eabi-ctors.c: Use 'asm' names for the start/end variables,
10578 to handle -fleading-underscore.
10579 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
10580 (USER_LABEL_PREFIX): New macro.
10581 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
10582 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
10583 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
10584 call-linux can use the same multilibs.
10585 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
10586 and call-linux multilibs. Do multilib with -fleading-underscore.
10587 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
10588 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
10591 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
10592 have MASK_SOFT_FLOAT set.
10593 (CPP_FLOAT_DEFAULT_SPEC): New macro.
10594 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
10595 CPP_FLOAT_DEFAULT_SPEC.
10597 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
10598 * rs6000.md: Whitespace change.
10599 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
10600 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
10602 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10604 * rs6000.md (eh_epilogue): New expander.
10605 (eh_reg_restore): New expand/split/insn combination.
10606 (return_eh_si): New insn.
10607 (return_eh_di): New insn.
10609 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
10610 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
10611 * eabi-ctors.c (__do_global_ctors): Register this object's
10612 frame. Clean up. Call atexit() after the constructors.
10613 (__do_global_dtors): Deregister this object's frame. Clean up.
10614 Allow for recursive calls to exit().
10615 * rs6000.c (fixuplabelno): New variable.
10616 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
10617 TARGET_RELOCATABLE, it slows down exec() under linux.
10618 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
10620 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
10621 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
10622 (ASM_OUTPUT_DWARF_DELTA2): New macro.
10623 (ASM_OUTPUT_DWARF_DELTA4): New macro.
10624 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
10625 (ASM_OUTPUT_DWARF_ADDR): New macro.
10626 (ASM_OUTPUT_DWARF_DATA4): New macro.
10627 (ASM_OUTPUT_DWARF_DATA2): New macro.
10628 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
10629 (ASM_OUTPUT_DWARF_OFFSET): New macro.
10630 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
10632 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10634 * rs6000.c (rs6000_sr_alias_set): New variable.
10635 (rs6000_override_options): Initialise rs6000_sr_alias_set.
10636 (rs6000_emit_stack_tie): New function.
10637 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
10638 in a way that dwarf2out can understand.
10639 (rs6000_frame_related): New function.
10640 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
10641 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
10642 Use rs6000_emit_stack_tie when needed.
10643 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
10644 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
10645 * rs6000.md (stack_tie): New insn.
10646 (return_internal_si): Allow return value to be in the count
10648 (return_internal_di): Likewise.
10650 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
10652 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10654 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
10656 2000-01-31 Geoff Keating <geoffk@cygnus.com>
10658 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
10660 * rs6000.md (stmw): Use the right POWER opcode.
10663 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10665 * rs6000-protos.h: New file.
10667 * rs6000.c: Include tm_p.h. Fix compile time warnings.
10669 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
10672 * sysv4.h: Likewise.
10674 2000-01-28 Geoff Keating <geoffk@cygnus.com>
10676 * ../../configure.in: Delete powerpcle-*-winnt*
10677 and powerpcle-*-pe|powerpcle-*-cygwin*.
10678 * ../../configure: Regenerated.
10679 * cygwin.h: Delete.
10680 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
10681 (TARGET_WINDOWS_NT): Delete.
10683 (CALL_NT_DLLIMPORT): Delete.
10684 Delete NT-specific code.
10685 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
10686 * win-nt.h: Delete.
10688 * nt-ci.asm: Delete.
10689 * nt-cn.asm: Delete.
10690 * ntstack.asm: Delete.
10692 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10694 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
10695 (ASM_FILE_START): Likewise.
10696 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10697 (ASM_OUTPUT_LABELREF): Likewise.
10698 (ASM_OUTPUT_SKIP): Likewise.
10699 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
10700 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10701 (ASM_OUTPUT_CASE_LABEL): Likewise.
10702 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10703 (ASM_OUTPUT_ASCII): Likewise.
10705 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
10707 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
10708 reload_toc_labelno for non-prologue TOC reloads. Also, don't
10709 increment rs6000_pic_labelno here.
10710 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
10711 and increment rs6000_pic_labelno here.
10713 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
10715 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
10716 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
10717 allocation knows (reg) is dead before the insn.
10719 2000-01-21 Geoff Keating <geoffk@cygnus.com>
10721 * rs6000.md (movsi_to_cr): Correct typo in output template.
10723 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10725 * rs6000.c (rs6000_pic_labelno): Always define.
10726 (rs6000_pic_func_labelno): Delete.
10727 (lmw_operation): Check for a zero base register,
10728 which doesn't mean what we want.
10729 (stmw_operation): New function.
10730 (print_operand): Define new 'l' modifier.
10731 (rs6000_stack_info): We must save all 64 bits of the registers
10732 if TARGET_POWERPC64.
10733 (rs6000_output_load_toc_table): Delete.
10734 (rs6000_emit_load_toc_table): New function.
10735 (rs6000_allocate_stack_space): Delete.
10736 (rs6000_emit_allocate_stack): New function.
10737 (rs6000_emit_prologue): New function.
10738 (output_prolog): Use rs6000_emit_prologue.
10739 (rs6000_emit_epilogue): Change a few variable names to be
10740 more accurate. Restore all 64 bits of the registers if
10741 TARGET_POWERPC64. Only restore the FP registers which were used
10742 if they are being saved/restored one-at-a-time.
10743 (output_mi_thunk): Delete inefficient code generation.
10744 (output_function_profiler): Don't use rs6000_output_load_toc_table.
10745 * rs6000.h: Declare rs6000_emit_load_toc_table,
10746 rs6000_allocate_stack_space, stmw_operation. Don't declare
10747 rs6000_output_load_toc_table.
10748 * rs6000.md (elf_high): Allow register 0, but discourage it
10750 (elf_low): Support loading into register 0.
10751 (load_toc_aix_si): New pattern.
10752 (load_toc_aix_di): New pattern.
10753 (load_toc_v4_pic_si): New pattern.
10754 (load_toc_v4_pic_di): New pattern.
10755 (load_toc_v4_PIC_1): New pattern.
10756 (load_toc_v4_PIC_1b): New pattern.
10757 (load_toc_v4_PIC_2): New pattern.
10758 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
10759 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
10760 (prologue): New expander.
10761 (movesi_from_cr): New pattern.
10762 (stmw): New pattern.
10763 (save_fpregs_si): New pattern.
10764 (save_fpregs_di): New pattern.
10766 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10768 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
10773 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10775 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
10777 (movsi_got_internal): Likewise.
10778 (movsi_got_internal+1): Likewise.
10779 (set_sp): 'unspec 7' does a SImode clobber.
10781 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10783 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
10784 allocate a stack temporary.
10785 (floatsidf2_internal): Likewise.
10786 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
10788 (floatunssidf2): Don't use the fpmem "register", just
10789 allocate a stack temporary.
10790 (floatunssidf2_internal): Likewise.
10791 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
10793 (floatsidf2_loadaddr): Delete.
10794 (floatsidf2_store1): Delete.
10795 (floatsidf2_store2): Delete.
10796 (floatsidf2_load): Delete.
10797 (fix_truncdfsi2): Don't use the fpmem "register", just
10798 allocate a stack temporary.
10799 (fix_truncdfsi2_internal_si): Delete.
10800 (fix_truncdfsi2_internal_di): Delete.
10801 (fix_truncdfsi2_internal): New insn.
10802 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10803 (fix_truncdfsi2_store): Delete.
10804 (fix_truncdfsi2_load): Delete.
10805 (fctiwz): Produce gen_fctiwz.
10807 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10809 * eabi.h (INVOKE__main): Define.
10810 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10812 (rs6000_emit_prologue): Likewise.
10813 * rs6000.h (struct rs6000_stack): Don't keep track of whether
10814 this is the main program.
10816 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10818 * rs6000.c (rs6000_va_arg): Delete some unused variables.
10820 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10822 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10823 goes after the argument.
10825 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10827 * rs6000.md: Document 'unspec' values used.
10828 (epilogue): New expander.
10829 (movesi_to_cr_one): New expander.
10830 (movesi_to_cr and following): New pattern.
10831 (lmw): New pattern.
10832 (return_internal_si): New pattern.
10833 (return_internal_di): New pattern.
10834 (return_and_restore_fpregs_si): New pattern.
10835 (return_and_restore_fpregs_di): New pattern.
10836 * rs6000.h: Declare new functions.
10837 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10838 rather than rs6000_calls_p.
10839 (rs6000_makes_calls): Delete.
10840 (lmw_operation): New function.
10841 (mtcrf_operation): New function.
10842 (rs6000_emit_epilogue): New function.
10843 (output_epilog): Call rs6000_emit_epilogue and final if
10844 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10846 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10848 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10849 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10850 * aix.h (SUBTARGET_SWITCHES): Document switches.
10851 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
10852 sched-prolog and sched-epilog the same. Document all the
10854 (TARGET_OPTIONS): No longer allow -mdebug-.
10856 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10858 * rs6000.h (ASM_FILE_END): Move to aix.h.
10859 (EXTRA_SECTIONS): Move to aix.h.
10860 (READONLY_DATA_SECTION): Move to aix.h.
10861 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10862 (SELECT_SECTION): Move to aix.h.
10863 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10864 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10865 (LINK_REGISTER_REGNUM): New definition.
10866 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10867 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10869 * sysv4.h: Delete the code between the inclusion of rs6000.h
10871 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10872 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10873 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
10874 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10875 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10876 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10877 (fix_truncdfsi2_internal_di): New pattern.
10878 (fix_truncdfsi2_store): The second arg here is Pmode too.
10879 (fix_truncdfsi2_load): The second arg here is Pmode too.
10880 (tablejumpdi): Now that switch tables hold only SImode values,
10881 gcc needs to know how to add them to the pc which is DImode.
10882 * rs6000.c (rs6000_stack_info): Use symbolic name for
10883 LINK_REGISTER_REGNUM.
10884 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10885 (output_toc): Delete unused variables s1 and s2.
10886 (output_ascii): Use fputs not fprintf on a variable string.
10888 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10890 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10891 * aix43.h: Revert Aug 2 change.
10892 (HAS_INIT_SECTION): Define, not visible yet.
10893 (LD_INIT_SWITCH): Define, not visible yet.
10894 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10896 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10898 * config/rs6000/rtems.h: Include config/rtems.h.
10900 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10902 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10903 (SLOW_UNALIGNED_ACCESS): Define.
10904 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10905 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10906 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10907 (toc_section): Likewise and .toc pseudo-op.
10908 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10910 (TEXT_SECTION_ASM_OP): Likewise.
10911 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10914 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10916 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10917 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10920 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10922 * rs6000.h: Move more stuff from here...
10924 * sysv4.h: Cleanup accordingly.
10925 * netware.h: Likewise
10927 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10929 * rs6000.h: Continue cleanup.
10931 * lynx.h: Likewise.
10932 * netware.h: Likewise.
10933 * sol2.h: Likewise.
10934 * sysv4.h: Likewise.
10935 * win-nt.h: Likewise.
10937 * rs6000.h (TARGET_SWITCHES): Add descriptions.
10938 (TARGET_OPTIONS): Likewise.
10940 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
10941 (SUBTARGET_OPTIONS): Likewise.
10943 * rs6000.md: Fix compile time warnings.
10945 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10947 vxworks patches from the Cygnus tree originally by
10948 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
10949 <vmakarov@cygnus.com>.
10950 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
10951 (ENDFILE_SPEC): Likewise.
10952 (LIB_VXWORKS_SPEC): New macro.
10953 (STARTFILE_VXWORKS_SPEC): New macro.
10954 (ENDFILE_VXWORKS_SPEC): New macro.
10955 (LINK_START_VXWORKS_SPEC): New macro.
10956 (LINK_OS_VXWORKS_SPEC): New macro.
10957 (CPP_OS_VXWORKS_SPEC): New macro.
10958 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
10959 * vxppc.h: Rewrite to use proper configuration method.
10960 * vxppcle.h: New file.
10961 * ../../configure.in: Add powerpcle-wrs-vxworks*.
10962 * ../../configure: Rebuilt.
10964 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10966 Lots of changes to rs6000.h, sysv4.h, aix.h,
10967 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
10968 with the aim that rs6000.h is the first header
10969 included and the others override it.
10972 * x-aix41-gld: Remove.
10974 * x-aix41: Remove target-specific switches, and don't specify
10975 -Wl,-bbigtoc as we don't need it any more.
10976 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
10977 Use t-aix43 for AIX 4.3 and above.
10978 * ../../configure: Regenerated.
10980 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
10981 options, that don't do anything yet.
10982 (MASK_SCHED_PROLOG): New macro.
10983 (MASK_SCHED_EPILOG): New macro.
10984 (TARGET_SCHED_PROLOG): New macro.
10985 (TARGET_SCHED_EPILOG): New macro.
10987 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10989 * rs6000.c: Correct comment, the `minimal' TOCs are actually
10990 one per translation unit, not one per function.
10991 (output_toc): Also do duplicate constant elimination
10992 for per-translation-unit TOCs.
10994 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
10995 a comment explaining _exactly_ when this pattern gets used.
10996 (builtin_setjmp_receiver): New pattern for better clarity.
10997 (init_v4_pic): Move it into a section dealing with TOC registers.
10999 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11001 * rs6000.c (toc_hash_table): New variable.
11002 (rs6000_hash_constant): New function.
11003 (toc_hash_function): New function.
11004 (toc_hash_eq): New function.
11005 (toc_hash_mark_entry): New function.
11006 (toc_hash_mark_table): New function.
11007 (output_toc): Don't output duplicate TOC entries in
11009 (rs6000_add_gc_roots): Add the hash table as a GC root.
11010 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11011 where they clearly shouldn't be. This may need to be fixed
11012 later when there is a GNU ar for AIX.
11013 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11014 Don't define BOOT_LDFLAGS as it is now not necessary.
11016 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11018 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11019 for va_list on AIX. Use unsigned_char_type_node rather than
11020 constructing our own version on svr4.
11022 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11024 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11025 since patently it's not.
11027 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11029 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11030 define_expand/define_insn pair, and handle restore of the
11031 SVR4 -fpic register.
11033 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11035 * acconfig.h (HAVE_GAS_WEAK): New define.
11036 * configure.in (assembler weak support): Check for .weak support.
11037 * config.in, configure: Rebuilt.
11038 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11039 HAVE_GAS_WEAK is defined.
11041 2000-03-15 Nick Clifton <nickc@cygnus.com>
11043 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11046 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11048 * cppfiles.c (open_include_file): New function.
11049 (find_include_file, cpp_read_file): Use it.
11051 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11053 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11055 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11057 * flow.c (verify_flow_info): Check for unconditional return.
11059 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11061 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11062 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11063 (__ia64_restore_stack_nonlocal): New.
11064 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11066 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11068 * cpphash.c (collect_formal_parameters): Do not complain about
11069 parameter names that just start with `__VA_ARGS__'.
11071 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11073 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11074 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11075 * i386.c (pentiumpro_cost): Set mul cost to 4.
11076 (x86_use_movx): Set for PPro.
11078 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11080 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11081 STACK_BOUNDARY for empty frames now.
11083 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11085 * stor-layout.c (layout_union): Remove.
11086 (layout_union_field): New function, split out from layout_union.
11087 (finish_union_layout): Likewise.
11088 (layout_field): Handle unions by calling layout_union_field.
11089 (finish_record_layout): Handle unions.
11090 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11091 QUAL_UNION_TYPE handling.
11093 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11095 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11096 end of basic block is jump_insn, not barrier; use create_basic_block
11097 instead of creating basic block by hand.
11099 2000-03-14 Jason Eckhardt <jle@cygnus.com>
11101 * flow.c (reorder_basic_blocks): Account for barriers when writing
11102 over NEXT_INSN (last_bb->end).
11103 (verify_flow_info): Add check for missing barriers.
11105 2000-03-14 Greg McGary <gkm@gnu.org>
11107 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
11108 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
11109 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
11110 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
11111 __unbounded, __unbounded__): New keywords.
11112 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
11113 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
11114 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
11116 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
11118 * cselib.h: New file.
11119 * alias.c: Include "cselib.h".
11120 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
11121 MEMs as two new arguments.
11122 (get_addr): New static function.
11123 (find_base_term): Handle VALUEs.
11124 (memrefs_conflict_p): Likewise.
11125 (true_dependence): Call get_addr on the addresses.
11126 Call fixed_scalar_and_varying_struct_p with addresses that have been
11127 passed through get_addr and canon_rtx.
11128 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
11129 with true_dependence.
11130 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
11131 * loop.c: Include "cselib.h".
11132 (load_mems): Process extended basic block that enters the loop with
11133 cselib. Use that information to change initialization of the shadow
11134 register so that a constant equivalence is seen by later passes.
11135 * reload1.c: Include "cselib.h".
11136 (reload_cse_invalidate_regno): Delete function.
11137 (reload_cse_mem_conflict_p): Likewise.
11138 (reload_cse_invalidate_mem): Likewise.
11139 (reload_cse_invalidate_rtx): Likewise.
11140 (reload_cse_regno_equal_p): Likewise.
11141 (reload_cse_check_clobber): Likewise.
11142 (reload_cse_record_set): Likewise.
11143 (reg_values): Delete static variable.
11144 (invalidate_regno_rtx): Likewise.
11145 (reload_cse_delete_noop_set): New static function.
11146 (reload_cse_simplify): New static function, broken out of
11148 (reload_cse_noop_set_p): Delete unused argument INSN.
11149 Just call rtx_equal_for_cselib_p on set source and destination.
11150 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
11151 reload_cse_delete_noop_set. Delete code to keep track of values; use
11152 cselib functions instead. Delete code to push/pop obstacks.
11153 (reload_cse_simplify_set): Use cselib to find equivalent values.
11154 Delete code to push/pop obstacks.
11155 (reload_cse_simplify_operands): Likewise.
11156 * rtl.def (VALUE): New rtx code.
11157 * rtl.h (union rtunion_def): New elt rt_cselib.
11158 (X0CSELIB, CSELIB_VAL_PTR): New macros.
11159 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
11160 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
11161 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
11162 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
11163 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
11164 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
11165 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
11166 cselib_record_set, cselib_record_sets): New static functions.
11167 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
11168 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
11169 references_value_p): New functions.
11170 (MAX_USELESS_VALUES, REG_VALUES): New macros.
11171 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
11172 n_useless_values, reg_values, callmem, cselib_obstack,
11173 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
11174 New static variables.
11175 * varray.h (union varray_data_tag): New elt te.
11176 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
11177 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
11180 2000-03-14 Nick Clifton <nickc@cygnus.com>
11182 * gcc.c (do_spec_1): Catch the case where %* is used in a
11183 substitution pattern, but it has not been initialised.
11184 Issue a meaningful error message if an unrecognised operator
11185 is encountered in a spec string.
11187 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
11189 * function.c (prepare_function_start): Correctly initialize
11190 cfun->stack_alignment_needed.
11192 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
11194 * cppfiles.c (find_include_file): Don't assume nshort is a
11197 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
11199 * configure.in (hppa configurations): Add pa32-regs.h to the
11200 list of tm files as appropriate.
11201 * configure: Rebuilt.
11202 * pa.c (compute_frame_size): Remove explicit knowledge about FP
11203 register numbering.
11204 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11205 (fmpyaddoperands, fmpysuboperands): Likewise.
11206 * pa.h: Remove various definitions which depend on knowing
11207 how registers are numbered.
11208 * pa32-regs.h: New file with PA32 register numbering specific
11211 2000-03-14 Richard Henderson <rth@cygnus.com>
11213 * regmove.c (combine_stack_adjustments): New.
11214 (stack_memref_p, single_set_for_csa): New.
11215 (free_csa_memlist, record_one_stack_memref): New.
11216 (try_apply_stack_adjustment): New.
11217 (combine_stack_adjustments_for_block): New.
11218 * rtl.h (combine_stack_adjustments): Declare.
11219 * toplev.c (rest_of_compilation): Call it.
11221 * i386.md: Revert 2000-01-16 change.
11223 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11225 * gccbug.in: Add web category, gcc specific classes.
11227 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
11229 * stor-layout.c (finalize_record_size): Fix typo.
11231 2000-03-14 Stan Shebs <shebs@apple.com>
11233 * c-typeck.c (c_alignof): Error on incomplete types.
11234 * extend.texi (Alignment): Document this.
11236 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11238 * cppfiles.c: Include mkdeps.h.
11239 (find_include_file, read_include_file): Remove _cpp_ prefix
11240 from name, make static.
11241 (_cpp_execute_include): New function, broken out of
11244 * cpplib.c: Don't include mkdeps.h.
11245 (struct directive): Remove type field. Reorder entries. The
11246 function takes only one argument.
11247 (struct if_stack): Make type field an int.
11248 (directive_table): Rename to dtable. Generate it, the
11249 prototypes of the directive handlers, and the enum for the
11250 directive numbers, from a template macro.
11251 (do_ifndef, do_include_next, do_import): New functions.
11252 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
11253 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
11254 do_ident, do_assert, do_unassert, do_sccs): Take only one
11256 (do_sccs): Define always, but alter behavior based on
11258 (_cpp_handle_directive, consider_directive_while_skipping):
11259 Restructure for new directive table layout.
11261 (pass_thru_directive): Take a directive number, not a pointer
11262 to a struct directive.
11263 (parse_include): New function, broken out of do_include.
11264 (do_include, do_import, do_include_next): Use parse_include
11265 and _cpp_execute_include.
11266 (do_elif, do_else): Test for T_ELSE specifically when checking
11267 for #elif/#else after #else.
11268 (parse_ifdef): New function, broken out of do_ifdef.
11269 (validate_else): Expect a name arg without a leading #.
11270 (if_directive_name): Delete.
11271 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
11272 directive handlers with only one argument.
11274 * cpphash.h: Update prototypes.
11275 (enum node_type): Remove entries for directives.
11276 * Makefile.in: Update dependencies.
11278 * cpphash.c (dump_hash_helper): Only dump nodes of type
11279 T_MACRO. Emit a newline after each definition.
11281 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11283 * gccbug.in: New file.
11284 * configure.in (all_outputs): Add gccbug.
11285 * Makefile.in (install-common): Install gccbug.
11286 (GCCBUG_INSTALL_NAME): New variable.
11287 * configure: Rebuilt.
11289 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11291 * function.c (put_var_into_stack): Use type_for_mode to calculate
11292 part_type. Use MEM_SET_IN_STRUCT_P.
11293 * expr.c (store_field): Handle CONCAT.
11294 (store_constructor): Use fields_length.
11295 * tree.c (fields_length): New fn.
11296 * tree.h: Declare it.
11298 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11300 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
11301 (cpplex.o): New target.
11302 * po/POTFILES.in: Add cpplex.c.
11304 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
11305 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
11306 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
11307 skip_block_comment, skip_line_comment, skip_comment,
11308 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
11309 _cpp_parse_name, skip_string, parse_string,
11310 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
11311 _cpp_get_directive_token, find_position,
11312 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
11313 (maybe_macroexpand, _cpp_lex_token): New functions.
11315 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
11316 parse_goto_mark): Delete.
11317 (_cpp_handle_eof): New function.
11318 (_cpp_handle_directive): Rename from handle_directive.
11319 (_cpp_output_line_command): Rename from output_line_command.
11320 (do_if, do_elif): Call _cpp_parse_expr directly.
11321 * cppfiles.c (_cpp_read_include_file): Don't call
11322 init_input_buffer here.
11323 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
11324 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
11325 here; pop the token_buffer and skip the rest of the line here.
11326 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
11329 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
11331 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
11332 CPP_GOTO_MARK): New macros.
11333 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
11334 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
11335 _cpp_read_and_prescan, _cpp_init_input_buffer,
11336 _cpp_grow_token_buffer, _cpp_get_directive_token,
11337 _cpp_handle_directive, _cpp_handle_eof,
11338 _cpp_output_line_command): Prototype them here.
11339 * cpplib.h (enum cpp_token): Add CPP_MACRO.
11340 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
11341 quote_string, output_line_command): Remove.
11343 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
11345 * stmt.c (expand_end_case): RANGE may be signed, and when checking
11346 whether it is too large we must also verify that it isn't negative.
11348 2000-03-13 Jakub Jelinek <jakub@redhat.com>
11350 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
11351 (movsi_zero_liveg0): Remove.
11352 (movsf_insn_novis_liveg0): Remove.
11354 (negsi2_not_liveg0): Rename to negsi2.
11355 (one_cmplsi2): Remove.
11356 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
11357 (one_cmplsi2_liveg0): Remove.
11358 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
11359 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
11360 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
11361 (PREDICATE_CODES): Remove zero_operand.
11362 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
11363 TARGET_BROKEN_SAVERESTORE.
11364 (zero_operand): Remove.
11365 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
11366 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
11368 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
11369 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11370 TARGET_BROKEN_SAVERESTORE): Remove.
11371 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11373 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11375 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11378 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
11380 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11382 * cpplib.c (do_pragma_implementation): Fix off-by-one error
11383 truncating a string. Don't assume tokens are nul terminated.
11384 Problem noted by Andreas Jaeger <aj@suse.de>
11386 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11388 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
11389 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
11390 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
11392 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
11394 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
11395 STRUCTURE_SIZE_BOUNDARY.
11397 2000-03-13 Mark Mitchell <mark@codesourcery.com>
11399 * tree.h (record_layout_info_s): New structure.
11400 (record_layout_info): New type.
11401 (new_record_layout_info): New function.
11402 (layout_field): Likewise.
11403 (finish_record_layout): Likewise.
11404 * stor-layout.c (layout_record): Remove.
11405 (new_record_layout_info): New function.
11406 (layout_field): New function, broken out from layout_record.
11407 (finalize_record_size): Likewise.
11408 (compute_record_mode): Likewise.
11409 (finalize_type_size): New function, broken out from layout_type.
11410 (finish_record_layout): Likewise.
11411 (layout_type): Use them.
11413 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11415 * cpphash.c: Don't include version.h.
11416 (special_symbol) [case T_VERSION]: Look for the string in
11417 hp->value.cpval; don't use version_string.
11418 * cppinit.c (initialize_builtins): Set hp->value.cpval for
11419 __VERSION__ to version_string.
11420 * Makefile.in (cpphash.o): Update deps.
11422 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11424 Convert cpplib to use libiberty/hashtab.c.
11426 * cpplib.h (struct cpp_reader): Make hashtab and
11427 all_include_files of type 'struct htab *'. Delete HASHSIZE
11428 and ALL_INCLUDE_HASHSIZE macros.
11430 * cpphash.h: Update prototypes.
11431 (struct hashnode): Remove next, prev, and bucket_hdr members.
11432 Make length a size_t. Add hash member.
11433 (struct ihash): Remove next member. Add hash member. Make
11434 name a flexible array member.
11436 * cppfiles.c: Include hashtab.h.
11437 (include_hash): Delete.
11438 (IHASHSIZE): New macro.
11439 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
11440 (cpp_included): Do the hash lookup here.
11441 (_cpp_find_include_file): Rewrite.
11442 (cpp_read_file): Put the "fake" hash entry into the hash
11443 table. Honor the control_macro, if it turns out we've seen
11444 the file before. Don't push the buffer here.
11445 (_cpp_read_include_file): Push the buffer here.
11446 (OMODES): New macro. Use it whenever we call open(2).
11448 * cpphash.c: Include hashtab.h.
11449 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
11450 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
11451 _cpp_lookup_slot): New functions.
11452 (HASHSIZE): new macro.
11453 (hashf, _cpp_install, _cpp_delete_macro): Delete.
11454 (_cpp_lookup): Use hashtab.h routines.
11456 * cppinit.c: Include hashtab.h.
11457 (cpp_reader_init): Call _cpp_init_macro_hash and
11458 _cpp_init_include_hash. Don't allocate hashtab directly.
11459 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
11460 pfile->all_include_files.
11461 (initialize_builtins): Use _cpp_make_hashnode and
11462 htab_find_slot to add hash entries.
11463 (cpp_finish): Just call _cpp_dump_macro_hash.
11464 * cpplib.c: Include hashtab.h.
11465 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
11466 create hash entries.
11467 (do_pragma_poison, do_assert): Likewise.
11468 (do_include): Don't push the buffer here. Don't increment
11469 system_include_depth unless _cpp_read_include_file succeeds.
11470 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
11471 or htab_remove_elt.
11472 (do_pragma_implementation): Use alloca to create copy.
11474 * Makefile.in: Update dependencies.
11476 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11478 * cppinit.c (cl_directive_handler): More K&R fixing.
11480 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
11482 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
11484 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
11486 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11488 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
11489 Change from char[] to macros.
11491 2000-03-12 Neil Booth <NeilB@earthling.net>
11493 * cppinit.c (cpp_start_read): Update indirect function
11496 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
11498 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
11501 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11502 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
11504 2000-03-11 Neil Booth <NeilB@earthling.net>
11506 * cppinit.c (struct pending option): Replace undef with a
11507 pointer to a directive handling routine.
11508 (struct cpp_pending): Replace separate assert_ and define_
11509 lists with one directive_ list.
11510 (new_pending_define): Rename new_pending_directive. Extra
11511 argument is the directive's handling routine.
11512 (handle_option): Update to use new_pending_directive.
11514 2000-03-11 Neil Booth <NeilB@earthling.net>
11516 * cppfiles.c (file_cleanup, _cpp_find_include_file,
11517 remap_filename, _cpp_read_include_file, actual_directory,
11518 hack_vms_include_specification): Replace bcopy(), index() etc
11519 calls. Add casts to some allocations. Make some variables
11520 pointers to const [unsigned] char.
11521 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
11522 collect_formal_parameters): Similarly.
11523 * cppinit.c (struct pending_option, append_include_chain,
11524 cpp_options_init, cpp_reader_init, initialize_standard_includes,
11525 cpp_start_read, new_pending_define, handle_option): Similarly.
11526 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
11527 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
11528 do_pragma_implementation, detect_if_not_defined,
11529 do_ifdef, skip_if_group, cpp_get_token, parse_string,
11530 do_assert, do_unassert): Similarly.
11531 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
11532 function prototypes.
11533 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
11535 2000-03-10 Richard Henderson <rth@cygnus.com>
11537 * builtins.c (expand_builtin_strlen): Revert last change.
11538 Use emit_insn_before if we're at the beginning of a sequence.
11540 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
11542 * builtins.c (expand_builtin_strlen): Make sure that we have something
11543 at the beginning of the sequence.
11545 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
11548 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
11550 2000-03-10 Richard Henderson <rth@cygnus.com>
11552 * except.c (can_throw): Use INTVAL on a CONST_INT.
11553 (reachable_handlers): Likewise.
11554 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
11556 2000-03-10 Andreas Jaeger <aj@suse.de>
11558 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
11559 MD_STARTFILE_PREFIX since those are not needed on linux.
11560 (ASM_FILE_START): New, from mips/gnu.h.
11562 2000-03-09 Richard Henderson <rth@cygnus.com>
11563 Alex Samuel <samuel@codesourcery.com> and others
11565 * Makefile.in (ssa.o): New rule.
11567 (STAGESTUFF): Add *.ssa and *.ussa.
11568 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
11569 * rtl.def (PHI): New RTL expression.
11570 * rtl.h (clear_log_links): New declaration.
11571 (convert_to_ssa): Likewise.
11572 (convert_from_ssa): Likewise.
11573 * flow.c (split_edge): If the entry node falls through to the
11574 split edge's source block, split the entry edge.
11575 (clear_log_links): New function.
11576 * toplev.c (ssa_dump): New variable.
11577 (flag_ssa): Likewise.
11578 (f_options): Add "ssa".
11579 (compile_file): Create SSA dump files.
11580 (rest_of_compilation): Go to and from SSA if enabled.
11581 (decide_d_option): Handle -de for SSA dump files.
11584 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
11586 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
11589 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
11591 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
11593 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
11595 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
11596 (MD_STARTFILE_PREFIX_1): New macro.
11598 2000-03-09 Robert Lipe <robertl@sco.com>
11600 * config/ia64/ia64.c: Include system.h.
11602 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11604 * except.c (nothrow_function_p): If -fno-exceptions, just return.
11605 (init_eh_nesting_info): Likewise.
11607 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
11608 (TREE_NOTHROW): Rename from TREE_RAISES.
11609 * toplev.c (rest_of_compilation): Set it.
11610 * print-tree.c (print_node): Adjust.
11611 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
11612 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
11613 * calls.c (emit_call_1): Add 'nothrow' parm. Add
11614 REG_EH_REGION note as appropriate.
11615 (libfunc_nothrow): New fn.
11616 (emit_library_call, emit_library_call_value): Use it.
11617 (expand_call): Check TREE_NOTHROW.
11619 * varasm.c (make_decl_rtl): Skip initial '*' when setting
11620 DECL_ASSEMBLER_NAME.
11622 2000-03-09 Andreas Jaeger <aj@suse.de>
11624 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
11625 (TARGET_MEM_FUNCTIONS): Define.
11627 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11629 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
11631 * except.c (can_throw): See through a SEQUENCE.
11632 (nothrow_function_p): New fn.
11633 * except.h: Declare it.
11634 * function.c (current_function_nothrow): New var.
11635 (prepare_function_start): Initialize it.
11636 * output.h: Declare it.
11637 * toplev.c (rest_of_compilation): Set it.
11638 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
11640 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
11642 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
11643 match. (cpp_compare_defs): Count the nul separator when
11644 advancing over argument names.
11646 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
11648 * recog.c (preprocess_constraints): Matching constraints affect
11649 same alternative/different operand, not same operand/different
11652 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
11653 register and a constant specially.
11655 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11657 * libgcc2.h: New file.
11658 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
11660 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
11662 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
11663 * configure: Regenerate.
11664 * config/ia64: New.
11666 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11668 * Makefile.in (LIBCPP_DEPS): New macro.
11669 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
11670 it to declare deps.
11671 * cpperror.c: Include cpphash.h.
11672 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
11674 (lex): Don't use CPP_WARN_UNDEF.
11675 (_cpp_parse_expr): Return an int, the truth value.
11676 * cppfiles.c: Include cpphash.h.
11677 (_cpp_merge_include_chains): Move to cppinit.c and make static.
11678 * cppinit.c (include_defaults_array): Disentangle.
11679 (cpp_cleanup): Don't free the if stack here.
11680 (cpp_finish): Pop off all buffers, not just one.
11681 * cpplib.c (eval_if_expr): Return int.
11682 (do_xifdef): Rename do_ifdef.
11683 (handle_directive): Don't use CPP_PREPROCESSED.
11684 (cpp_get_token): Don't use CPP_C89.
11685 * fix-header.c: Don't use CPP_OPTIONS.
11687 * cpplib.h: Move U_CHAR, enum node_type, struct
11688 file_name_list, struct ihash, is_idchar, is_idstart,
11689 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
11690 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
11691 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
11692 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
11693 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
11694 of _cpp_simplify_pathname, _cpp_find_include_file,
11695 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
11696 Move struct if_stack to cpplib.c. Move struct cpp_pending to
11698 Change all uses of U_CHAR to be unsigned char instead.
11699 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
11701 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11703 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
11704 (dwarf2out_begin_prologue): Set it.
11705 (output_call_frame_info): Don't emit EH unwind info for leaves.
11707 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
11708 can occur outside of an EH region.
11709 * except.c: Correct comments about rethrow behavior.
11710 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
11712 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
11714 * flow.c (make_edges): Always call make_eh_edge for calls.
11716 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11718 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
11719 (struct cpp_buffer): Remove fname and underflow fields.
11720 (struct cpp_reader): Remove get_token field.
11721 (struct include_hash): Rename to struct ihash. Add typedef to
11723 (struct if_stack): Remove fname field.
11724 (IF_STACK_FRAME): Rename to IF_STACK.
11726 * cpperror.c (print_containing_files): Trust that there are no
11727 macro buffers below the top file buffer.
11728 * cppfiles.c: Replace all references to 'struct include_hash'
11729 with 'IHASH'. Rename initialize_input_buffer to
11730 init_input_buffer. Don't set or reference cpp_buffer->fname,
11731 use buffer->ihash->name instead.
11732 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
11733 not CPP_NULL_BUFFER.
11734 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
11735 IF_STACK_FRAME, IHASH not struct include_hash.
11736 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
11737 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
11738 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
11739 references to cpp_buffer->fname (delete entirely, or use
11740 ->ihash->name instead) and IF_STACK->fname.
11741 (cpp_push_buffer): Don't set new->underflow.
11742 (do_include): Use cpp_file_buffer.
11744 * cpphash.c (collect_formal_parameters): Remove duplicate
11745 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
11746 used as a macro argument name. Don't append "..." to namebuf
11747 for varargs macros. After we're done scanning, go through
11748 namebuf and make it NUL separated, not comma separated.
11749 (_cpp_compare_defs): Remove register tag from variables.
11750 Expect defn->argnames to be NUL separated.
11751 (_cpp_dump_definition): Expect defn->argnames to be NUL
11752 separated and in forward order.
11753 * cpphash.h: Update documentation of argnames field.
11755 2000-03-08 Richard Henderson <rth@cygnus.com>
11757 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
11758 to fail. Don't pre-expand the source operand.
11760 * i386.md (strlensi): Initialize eoschar and align before use.
11762 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11764 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
11765 CONSTRUCTOR element.
11767 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11769 * mips.c (mips_expand_prologue): If the last
11770 named argument is the vararg marker "va_list", treat it as
11771 an unnamed argument.
11773 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
11775 * dbxout.c (dbxout_parms): When correcting for promoted
11776 big-endian parameters, use the mode of the DECL_RTL rather
11777 than UNITS_PER_WORD.
11779 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
11781 * c-common.h (make_fname_decl): Declare.
11782 * c-common.c (make_fname_decl): Define.
11783 (declare_hidden_char_array): Remove.
11784 (declare_function_name): Use make_fname_decl.
11785 * c-decl.c (c_make_fname_decl): New function.
11786 (init_decl_processing): Set make_fname_decl.
11788 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
11790 * cccp.c (handle_directive): Initialize backslash_newlines_p.
11792 2000-03-07 Philipp Thomas <pthomas@suse.de>
11794 * po/POTFILES.in: Remove cppalloc.c from file list.
11796 2000-03-07 Steve Chamberlain <sac@pobox.com>
11798 * pj.c (pj_expand_prologue): current_function->args_info is
11799 now current_function_args_info.
11801 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11802 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11803 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11805 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11807 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11808 output as hexadecimal rather than the default octal.
11810 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11812 * cpphash.c (special_symbol): Fix thinko in previous commit.
11814 2000-03-07 Neil Booth <NeilB@earthling.net>
11816 * cppexp.c (struct operation, left_shift, right_shift,
11817 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11818 "int"s to "unsigned int"s.
11819 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11821 * cpplib.h: Update for above.
11822 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
11823 returned from allocations.
11825 * cppinit.c (opt_comp, parse_options): New functions.
11826 (handle_option): Use parse_option to parse a single command
11827 line option, that possibly takes an argument.
11828 (cpp_handle_options): Sort the array of command line options on
11829 first invocation (non-ASCII hosts only).
11830 (print_help): Update.
11832 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11834 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11835 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
11837 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11839 * cppinit.c (cpp_cleanup): Free imp->nshort also.
11841 * cpperror.c (cpp_print_containing_files,
11842 cpp_print_file_and_line, v_cpp_message): Rename to
11843 print_containing_files, print_file_and_line, and v_message.
11844 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11845 to _cpp_parse_expr, parse_escape, and lex.
11846 (parse_charconst): Remove broken multibyte support.
11847 * cppfiles.c (include_hash): Make static.
11848 (cpp_included): New function.
11849 (merge_include_chains, find_include_file, finclude,
11850 simplify_pathname): Rename to _cpp_merge_include_chains,
11851 _cpp_find_include_file, _cpp_read_include_file, and
11852 _cpp_simplify_pathname.
11853 * cpphash.c (cpp_lookup, free_definition, delete_macro,
11854 cpp_install, create_definition, macroexpand, compare_defs,
11855 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11856 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
11857 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11858 * cppinit.c (cpp_handle_option): Rename to handle_option, make
11860 * cpplib.c: Remove extern prototype of cpp_parse_expr.
11862 * cpphash.h: Update prototypes.
11863 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
11865 2000-03-07 Andrew Haley <aph@cygnus.com>
11867 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11868 PTRDIFF_TYPE should be based solely on Pmode.
11869 (SIZE_TYPE): ditto.
11871 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11873 * rtl.h (rtunion_def): Constify member `rtstr'.
11874 (emit_line_note_after, emit_line_note, emit_line_note_force,
11875 emit_note, decode_asm_operands): Constify.
11877 * cse.c (canon_hash): Likewise.
11879 * dbxout.c (dbxout_block): Likewise.
11881 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11882 v_warning_for_asm): Likewise.
11884 * dwarfout.c (function_start_label): Likewise.
11886 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11887 emit_line_note_force): Likewise.
11889 * final.c (last_filename, asm_insn_count, final_scan_insn,
11890 output_source_line): Likewise.
11892 * function.h (struct emit_status): Likewise.
11894 * gcse.c (hash_expr_1): Likewise.
11896 * genattr.c (gen_attr, main): Likewise.
11898 * genattrtab.c (struct function_unit, current_alternative_string,
11899 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11900 attr_numeral, check_attr_test, check_attr_value,
11901 convert_set_attr_alternative, convert_set_attr,
11902 compute_alternative_mask, simplify_by_exploding, gen_attr,
11903 gen_unit): Likewise.
11905 * genflags.c (gen_insn): Likewise.
11907 * gengenrtl.c (type_from_format): Likewise.
11909 * genopinit.c (gen_insn): Likewise.
11911 * genoutput.c (n_occurrences, process_template, process_template):
11914 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11917 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11920 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
11921 ggc_set_mark, ggc_get_size): Likewise.
11923 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
11925 * optabs.c (init_one_libfunc): Likewise.
11927 * output.h (assemble_start_function): Likewise.
11929 * recog.c (decode_asm_operands): Likewise.
11931 * toplev.c (rest_of_compilation): Likewise.
11933 * tree.h (emit_line_note_after, emit_line_note,
11934 emit_line_note_force): Likewise.
11936 * varasm.c (asm_output_bss, asm_output_aligned_bss,
11937 asm_emit_uninitialised, assemble_start_function,
11938 assemble_variable, const_hash, compare_constant_1,
11939 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
11941 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
11943 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
11945 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
11947 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
11949 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
11950 arm_dllimport_name_p): Likewise.
11952 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
11955 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
11957 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11959 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
11960 arm_mark_dllexport, arm_mark_dllimport,
11961 arm_pe_encode_section_info): Likewise.
11963 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
11964 ASM_FINISH_DECLARE_OBJECT): Likewise.
11966 * arm/thumb.c (thumb_function_prologue): Likewise.
11968 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
11970 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11972 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
11974 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
11976 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
11978 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11980 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
11981 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
11983 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
11985 * i386/i386.c (asm_output_function_prefix): Likewise.
11987 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
11989 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11991 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
11993 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
11994 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
11995 ASM_OUTPUT_SECTION_NAME): Likewise.
11997 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
11999 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12001 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12003 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12005 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12007 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12009 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12011 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12013 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12015 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12017 * mips/mips.md (movdi, movsi): Likewise.
12019 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12021 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12023 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12025 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12026 ASM_OUTPUT_ASCII): Likewise.
12028 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12029 output_mi_thunk, output_toc): Likewise.
12031 * rs6000/rs6000.md (movsi): Likewise.
12033 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12035 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12037 * v850/v850.c (print_operand, print_operand_address,
12038 v850_encode_data_area): Likewise.
12040 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12042 * config/mips/mips.md (zero_extendsidi2): Always force operand
12043 one to memory for mips16.
12045 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12047 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12048 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12049 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12050 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12051 (min_precision): Result is unsigned.
12052 (add_double, neg_double, mul_double): Low word is unsigned.
12053 (lshift_double, rshift_double, lrotate_double): Likewise.
12054 (rrotate_double, div_and_round_double): Likewise.
12055 (tree_floor_log2, compare_tree_int): New functions.
12056 (preserve_rtl_expr_temps): New declaration.
12057 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12058 (decl_attributes): Use tree_log2 to find alignment.
12059 Check for TREE_INT_CST_HIGH for format args.
12060 (min_precision): Now unsigned.
12061 Use tree_floor_log2.
12062 (truthvalue_conversion): Delete long-disabled code.
12063 * c-decl.c (finish_struct): Clean up tests on field width.
12064 (finish_function): Use compare_tree_int.
12065 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12066 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12067 (default_conversion, digest_init): Use compare_tree_int.
12068 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12069 Fix type errors in forming masks.
12070 * calls.c (initialize_argument_information): Use compare_tree_int.
12071 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12072 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12073 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12074 (store_field): Use compare_tree_int.
12075 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12076 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12077 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12078 (do_store_flag): Use compare_tree_int.
12079 * fold-const.c (encode, decode): Low part is always unsigned.
12080 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12081 (lshift_double, rshift_double, lrotate_double): Likewise.
12082 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12083 (fold_convert): Use compare_tree_int.
12084 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12085 (invert_truthvalue, case INTEGER_CST): Likewise.
12086 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12087 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12088 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12089 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12091 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12092 (expand_end_case): Use compare_tree_int.
12093 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12094 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12095 (layout_decl): Likewise.
12096 (layout_record, layout_union): Make sizes unsigned.
12097 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
12098 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
12099 * tree.c (struct type_hash): hashcode is unsigned.
12100 (build_type_attribute_variant, type_hash_list): Likewise.
12101 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
12102 (attribute_hash_list, build_array_type, build_method_type): Likewise.
12103 (build_complex_type): Likewise.
12104 (real_value_from_int_cst): Remove unneeded casts.
12105 (integer_all_onesp): Add casts.
12106 (tree_floor_log2, compare_tree_int): New functions.
12107 (build_index_type): Use tree_int_cst_sgn.
12108 * varasm.c (assemble_variable): Use compare_tree_int.
12110 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
12112 * cpphash.c (collect_expansion): Also catch ## at start of macro.
12114 * varasm.c (make_decl_rtl): Don't add a number to members of
12116 (make_function_rtl): Likewise.
12118 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12120 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
12121 patch from 2000-01-28.
12123 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
12125 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
12126 filled with an insn from the jump target.
12128 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12130 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
12131 (c4x_external_ref): Likewise.
12132 * config/c4x/c4x.c (struct name_list): Likewise.
12134 1999-12-16 Ben Collins <bcollins@debian.org>
12136 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
12137 argument to genmultilib.
12138 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
12139 the contents into the multilib.h header.
12140 * gcc.c: Declare multilib_exclusions for the specs file.
12141 (set_multilib_dir): Use it.
12142 (print_multilib_info): Likewise.
12143 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
12144 to pass to genmultilib.
12146 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12148 * builtins.c (built_in_class_names, built_in_names): Constify a
12151 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
12153 (_mcleanup): Ensure value matches format specifier in sprintf.
12155 * cpphash.c (special_symbol): Don't needlessly cast away
12158 * cppinit.c (base_name): Delete unused prototype.
12160 * mkdeps.c (deps_init): Make definition K&R safe.
12162 * tree.h (built_in_class_names, built_in_names): Constify a
12165 2000-03-06 Jakub Jelinek <jakub@redhat.com>
12167 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
12168 floating point instructions for epilogue delay.
12170 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
12171 to gas if it supports .register pseudo.
12173 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
12174 LONG_DOUBLE_TYPE_SIZE if not defined.
12175 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
12176 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
12177 * real.c: Likewise.
12178 * gengenrtl.c: Likewise.
12179 * print-rtl.c: Likewise.
12181 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
12182 MASK_LONG_DOUBLE_128.
12183 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
12184 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
12185 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
12186 (SUBTARGET_SWITCHES): Define.
12187 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
12188 with -mlong-double-128.
12189 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12190 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12191 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12192 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
12193 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
12194 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
12195 with -mlong-double-128.
12196 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12197 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12198 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12199 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
12200 TARGET_LONG_DOUBLE_128): Define.
12201 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
12202 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
12203 long double on TARGET_ARCH64.
12205 2000-03-06 Mark Mitchell <mark@codesourcery.com>
12207 * function.c (free_temps_for_rtl_expr): Don't free slots
12208 that have been pushed into a higher level.
12211 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12213 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12215 * basic-block.h (ALLOCA_REG_SET): Remove.
12216 (INITIALIZE_REG_SET): New macro.
12217 * flow.c (update_life_info): Use it.
12218 (calculate_global_regs_live): Likewise.
12219 (propagate_block): Likewise.
12220 * global.c (build_insn_chain): Likewise.
12221 * haifa-sched.c (schedule_region): Likewise.
12223 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
12225 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
12226 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
12227 (DWARF_ARANGES_PAD_SIZE): New define.
12228 (output_aranges): Use it to pad the address range header.
12229 (DWARF_ROUND): Fix for non power of 2 rounding.
12231 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
12233 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
12235 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12237 * tree.def (RTL_EXPR): Update documentation.
12238 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
12239 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
12240 * function.c (preserve_rtl_expr_temp): New function.
12241 (preserve_rtl_expr_temps): Likewise.
12242 (preserve_rtl_expr_result): Use it.
12245 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12247 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
12249 * regmove.c (copy_src_to_dest) Do not create src->dest move
12250 for unchanging destination.
12252 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12254 * function.h (struct sequence_stack): Remove rtl_expr.
12255 (struct emit_staus): Likewise.
12256 (seq_rtl_expr): Remove.
12257 * tree.h (free_temps_for_rtl_expr): Don't declare.
12258 (start_sequence_for_rtl_expr): Likewise.
12259 * rtl.h (preserve_rtl_expr_result): Likewise.
12260 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
12261 (start_sequence_for_rtl_expr): Remove.
12262 (push_topmost_sequence): Don't save sequence_rtl_expr.
12263 (pop_topmost_sequence): Remove comment about not restoring it.
12264 (end_sequence): Don't set seq_rtl_expr.
12265 (init_emit): Don't initialize it.
12266 (mark_sequence_stack): Don't mark it.
12267 (mark_emit_status): Likewise.
12268 * except.c (protect_with_terminate): Use
12269 start_sequence_for_rtl_expr, not start_sequence.
12270 * expr.c (expand_expr, case RTL_EXPR): Don't call
12271 preserve_rtl_expr_result or free_temps_for_rtl_expr.
12272 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
12273 (preserve_rtl_expr_result): Remove.
12274 (free_temps_for_rtl_expr): Likewise.
12275 (pop_temp_slots): Likewise.
12276 (mark_temp_slot): Don't mark the rtl_expr.
12277 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
12278 start_sequence_for_rtl_expr.
12280 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
12282 * mkdeps.c, mkdeps.h: New files.
12283 * po/POTFILES.in: Add them.
12284 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
12285 (cpplib.o, cppinit.o): Depend on mkdeps.h.
12286 (mkdeps.o): New target.
12288 * cppfiles.c: Delete deps_output.
12289 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
12290 OBJECT_SUFFIX, and base_name.
12291 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
12293 (initialize_dependency_output): Use deps_init,
12294 deps_add_target, deps_calc_target, and deps_add_dep. Remove
12295 all the unnecessary string bashing.
12296 (cpp_finish): Use deps_write. Remove an unnecessary nesting
12298 * cpplib.c (do_include): Use deps_add_dep.
12299 * cpplib.h (struct cpp_reader): Replace deps_buffer,
12300 deps_allocated_size, deps_size, deps_column members with
12301 single pointer to a struct deps. Delete prototype of
12304 * cppinit.c: Fix thinko in previous patch.
12306 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12308 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
12309 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
12310 (mode_for_size_tree): New function.
12311 (layout_decl, layout_type): Call it and clean up BLKmode checks.
12312 * tree.h (mode_for_size_tree): New declaration.
12314 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
12316 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
12318 * stmt.c (is_body_block): Move...
12319 * dwarfout.c, dwarf2out.c: ...from here.
12320 * tree.h: Declare it.
12321 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
12322 * final.c (final_start_function): Do call remove_unnecessary_notes
12325 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12327 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
12329 * cpplib.h (_dollar_ok): New macro.
12330 (is_idchar, is_idstart): Use it.
12331 (IStable): Rename to _cpp_IStable. Declare it const if
12332 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
12333 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
12334 is_space): Update for renamed IStable.
12336 * cppinit.c: Delete all references to FAKE_CONST and CAT
12337 macros. Define init_IStable as empty macro if gcc >=2.7 or
12338 C99. Change TABLE() to ISTABLE and hardcode name of table.
12339 (cpp_start_read): Don't change the IStable based on
12342 * cpphash.c (unsafe_chars): Add pfile argument. All callers
12343 changed. Handle '$' for char1 correctly.
12344 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
12346 * cppexp.c (tokentab2): Make const.
12347 (cpp_lex): Make toktab const.
12348 * cppinit.c (include_defaults_array): Make const.
12349 (initialize_standard_includes): Make default_include const.
12351 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12353 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
12354 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
12355 (gen_decl_die): Likewise.
12356 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
12357 (output_decl): Likewise.
12359 * varasm.c (make_function_rtl): If we change the name used in the
12360 rtl, update DECL_ASSEMBLER_NAME accordingly.
12361 (make_decl_rtl): Likewise.
12363 * toplev.c (rest_of_compilation): Tweak formatting.
12365 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
12366 remove_unnecessary_notes.
12367 (debug_ignore_block): New fn.
12368 * toplev.h: Declare it.
12369 * emit-rtl.c (remove_unncessary_notes): Call it.
12370 * dwarf2out.c (dwarf2out_ignore_block): New fn.
12371 * dwarf2out.h: Declare it.
12372 * final.c (final_start_function): Don't call remove_unnecessary_notes
12373 if we did insn scheduling.
12375 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12377 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
12378 * cpplib.h: Delete SET_CPP_PEDANTIC.
12380 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12382 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
12383 result is a RECORD_TYPE.
12385 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
12387 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
12389 2000-03-03 Richard Henderson <rth@cygnus.com>
12391 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
12392 addition over compliments over shifts.
12394 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12396 * reload1.c (reload_combine_note_use): Handle return register USEs.
12397 REG case: Handle multi-hard-register hard regs.
12399 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12401 * md.texi: Document use of '*' in insn pattern name.
12403 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12405 * calls.c (special_function_p): operator new may not be malloc-like.
12407 * gcse.c (dump_hash_table): Really fix error in last change.
12409 2000-03-02 Denis Chertykov <denisc@overta.ru>
12411 * avr.c (print_operand): Use print_operand_address instead of
12413 * avr/libgcc.S: Cleanup code.
12415 2000-03-02 Richard Henderson <rth@cygnus.com>
12417 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
12419 2000-03-02 Mark Mitchell <mark@codesourcery.com>
12421 * tree.h (TYPE_ALIGN_UNIT): New macro.
12423 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
12425 * i386.c: (constant_call_address_operand): Reject CONST_INT.
12427 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
12429 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
12431 (SET_CPP_PEDANTIC): New macro.
12432 * cpplib.c (do_include): Don't bother checking system_header_p.
12433 (do_warning, do_ident, do_assert, do_unassert): Likewise.
12434 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
12436 * function.h (struct expr_status): Add x_arg_space_so_far.
12437 (arg_space_so_far): New macro.
12438 * expr.c (init_expr): Initialize it.
12439 * calls.c (emit_call_1): Reset it.
12440 (compute_argument_block_size, expand_call): Use it.
12441 (expand_call, store_one_arg): Increment it.
12443 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12445 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
12448 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
12450 * cppfiles.c (cpp_read_file): New function.
12452 * cpphash.c (collect_expansion): Make sure to reset last_token
12453 to NORM when we hit a string. Handle trailing whitespace
12454 properly when the expansion is empty.
12455 (create_definition): Disable line commands while parsing the
12457 (dump_definition): If pfile->lineno == 0, output a line
12458 command ahead of the dump, and add a trailing newline.
12460 * cppinit.c (append_include_chain): Add fifth argument, which
12461 indicates whether or not system headers are C++ aware.
12462 (initialize_standard_includes): New function,
12463 broken out of read_and_prescan. Pass 'cxx_aware' value from
12464 the include_defaults_array on to append_include_chain.
12465 (dump_special_to_buffer): Const-ify char array.
12466 (builtin_array): Don't dump __BASE_FILE__.
12467 (cpp_start_read): Use cpp_read_file. Reorder code for
12468 clarity. Don't output line commands here for -D/-A/-U
12469 switches. Don't call deps_output for files included with
12470 -include or -imacros.
12472 * cpplib.c (do_define): Don't pay any attention to the second
12474 (cpp_expand_to_buffer): Disable line commands while scanning.
12475 (output_line_command): Work in the file buffer.
12476 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
12477 Fix formatting of comments. Prototype cpp_read_file.
12479 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12481 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
12482 reference the language-equivalent of sizetype.
12483 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
12484 * fold-const.c (size_binop, size_diffop): Put back checks.
12485 * gcse.c (dump_hash_table): Fix minor error in last change.
12486 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
12487 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
12490 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
12492 * calls.c (expand_call) Do not attempt to combine stack adjustments
12493 with inhibit_defer_pop set.
12495 2000-03-01 Mark Mitchell <mark@codesourcery.com>
12497 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
12498 the DECL_SIZE for a FIELD_DECL.
12500 2000-03-01 Bruce Korb <bkorb@gnu.org>
12502 * fixinc/inclhack.tpl: remove unused symlinks
12503 * fixinc/README: GCC Maintainer info
12504 * fixinc/inclhack.sh: regen
12505 * fixinc/fixincl.sh: regen
12507 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
12509 * cpphash.c (collect_expansion): Trim trailing white space
12510 from macro definitions, but don't go past the last insertion
12513 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
12515 * i386.md (mulqi3): New pattern.
12517 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
12519 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
12521 (struct cpp_reader): Add parsing_if_directive and
12522 parsing_define_directive flags.
12523 (struct cpp_options): Remove output_conditionals flag.
12524 (check_macro_name): Delete prototype.
12526 * cpphash.h (struct macrodef): Delete.
12527 (struct reflist): Separate from struct definition.
12528 (struct definition): Remove unused fields. Add column number.
12529 (create_definition): Returns a DEFINITION *. Takes a
12530 cpp_reader * and an int.
12532 * cpphash.c (SKIP_WHITE_SPACE): Delete.
12533 (PEEKC): Copy defn from cpplib.c.
12534 (rest_extension, REST_EXTENSION_LENGTH): Delete.
12536 (struct arglist): Simplify.
12537 (collect_expansion): Rewrite. Get tokens by calling
12538 cpp_get_token. Add more error checking.
12539 (collect_formal_parameters): New function, broken out of
12540 create_definition and reworked to use get_directive_token.
12541 (create_definition): All real work is now in collect_expansion
12542 and collect_formal_parameters. do_define handles finding the
12543 macro name. Return a DEFINITION, not a MACRODEF.
12544 (macroexpand): Replace bcopy with memcpy throughout. Replace
12545 character-at-a-time copy loop with memcpy and pointer increments.
12546 (compare-defs): d1->argnames / d2->argnames might be null.
12548 * cpplib.c (copy_rest_of_line): Delete function.
12549 (skip_rest_of_line): Do all the work ourselves.
12550 (skip_string): New function.
12551 (parse_string): Use skip_string.
12552 (get_macro_name): New function.
12553 (check_macro_name): Delete.
12554 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
12555 (cpp_skip_hspace): Use CPP_BUMP_LINE.
12556 (handle_directive): ICE if we're called on a macro buffer.
12557 (do_define): Determine macro name and type (funlike/objlike)
12558 here. Expunge all uses of MACRODEF.
12559 (cpp_push_buffer): Set line_base to NULL.
12560 (do_undef, read_line_number): Don't worry about getting a POP token.
12561 (eval_if_expression): Set/reset parsing_if_directive around
12562 cpp_parse_expr. Don't clear only_seen_white.
12563 (skip_if_group): Remove output_conditionals logic. Use
12565 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
12566 tokens under appropriate conditions.
12567 (cpp_unassert): Call do_unassert not do_assert. Oops.
12569 * cppexp.c (parse_defined): New function, break out of
12571 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
12572 ourselves, with cpp_defined.
12573 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
12575 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
12576 * gcc.dg/strpaste-2.c: New.
12578 2000-02-29 Mark Mitchell <mark@codesourcery.com>
12580 * fold-const.c (size_binop): Don't asert inputs are the same and
12581 have TYPE_IS_SIZETYPE set.
12582 (size_diffop): Likewise.
12584 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
12586 * dwarfout.c (output_block): Output abstract blocks even if they
12587 don't have TREE_ASM_WRITTEN set.
12589 * calls.c (emit_library_call): Check for null REG.
12591 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
12593 * c-decl.c (current_function_decl): Move to toplev.c.
12594 (init_decl_processing): Don't add current_function_decl as a ggc
12596 * dbxout.c (dbxout_symbol): Change return type to int.
12597 (dbxout_symbol_location, dbxout_syms): Likewise.
12598 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
12599 any locals. Use current_function_func_begin_label if set.
12600 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
12601 * dwarf2out.c (dwarf2out_begin_prologue): Set
12602 current_function_func_begin_label.
12603 * final.c (final_start_function): Reset it.
12604 * toplev.c (current_function_decl): Define it here.
12605 (current_function_func_begin_label): New variable.
12606 (main): Add both as ggc roots.
12607 * tree.h (current_function_func_begin_label): Declare.
12609 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12611 * gcse.c: Cleanups throughout: mostly white-space, but also
12612 some minor rearrangement of code.
12614 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
12616 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
12617 returns a PARALLEL. Use emit_group_load and use_group_regs
12619 (emit_library_call_value): Similarly.
12621 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
12622 * pa/quadlib.asm: Remove.
12623 * pa/quadlib.c: New file.
12625 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
12626 * configure: Rebuilt.
12628 2000-02-29 Philip Blundell <pb@futuretv.com>
12630 * config/arm/conix-elf.h: New file.
12631 * configure.in (arm*-*-conix*): New configuration.
12632 * configure: Regenerate.
12634 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
12636 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
12637 don't have TREE_ASM_WRITTEN set.
12639 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12641 * Eliminate DECL_FIELD_SIZE.
12642 * builtins.c (built_in_class_names, built_in_names): New variables.
12643 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
12644 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
12645 DECL_SIZE, not DECL_FIELD_SIZE.
12646 * print-tree.c (print_node): Remove code that prints extra blank
12647 lines in some cases.
12648 Properly handle inline and builtin function cases.
12649 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
12650 * tree.h (built_in_class_named, built_in_names): New declarations.
12651 (union tree_decl): Rename internal unions to u1 and u2 and change
12652 some of their components.
12653 Add new field built_in_class.
12654 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
12655 Reflect above changes.
12656 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
12657 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
12658 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
12659 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
12661 2000-02-28 Dmitri Makarov <dim@windriver.com>
12663 * extend.texi: Document ARM's support for long/short calls.
12665 * invoke.texi: Document ARM's -mlong-calls command line switch.
12667 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
12668 (arm_encode_call_attribute): Add prototype.
12669 (arm_set_default_type_attribute): Add prototype.
12670 (arm_strip_name_encoding): Add prototype.
12672 * config/arm/arm.c (arm_init_cumulative_args): replace
12673 initialisation og 'long_calls' field with initialisation of
12674 'call_cookie' field.
12675 (enum arm_pragma_enum): New enum.
12676 (arm_pragma_long_calls): New static variable.
12677 (arm_process_pragma): Also process "#pragma long_calls_off".
12678 (arm_valid_type_attribute_p): Accept short_call attribute.
12679 (arm_comp_type_attributes): Check long/short call attributes.
12680 (arm_encode_call_attribute): New function: Encode long_call
12681 or short_call attribute in function name.
12682 (arm_set_default_type_attributes): New function: Assign
12683 default attributes to newly defined type.
12684 (current_file_function_operand): New function: Return true if
12685 the symbol is a function which has already been compiled.
12686 (arm_is_longcall_p): New function: Return true if the
12687 indicated function should be called via a long call.
12688 (arm_get_strip_length): New function. Returns number of
12689 prefix characters to be stripped from a function's name.
12690 (arm_strip_name_encoding): New function. Strip prefix characters
12691 from a function's name.
12693 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
12694 with 'call_cookie'.
12695 (SHORT_CALL_FAG_CHAR): Define.
12696 (LONG_CALL_FAG_CHAR): Define.
12697 (ENCODED_SHORT_CALL_ATTR_P): Define.
12698 (ENCODED_LONG_CALL_ATTR_P): Define.
12699 (ARM_NAME_ENCODING_LENGTHS): Define.
12700 (STRIP_NAME_ENCODING): Define.
12701 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
12702 (ARM_ENCODE_CALL_TYPE): Define.
12703 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
12704 (ARM_DECLARE_FUNCTION_SIZE): Define.
12705 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
12707 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
12708 if a long call is needed.
12709 (call_value): Ditto.
12710 (call_symbol): Ditto.
12712 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
12713 ARM_DECLARE_FUNCTION_SIZE.
12715 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
12716 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
12717 (ARM_STRIP_NAME_ENCODING): Undefine.
12718 (STRIP_NAME_ENCODING): Undefine.
12719 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
12720 (ASM_DECLARE_FUNCTION_NAME): Ditto.
12721 (ASM_OUTPUT_COMMON): Ditto.
12722 (ASM_DECLARE_OBJECT_NAME): Ditto.
12724 * config/arm/pe.c (arm_dllexport_name_p): Check for
12726 (arm_dllimport_name_p): Ditto.
12727 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
12728 (arm_mark_dllimport): Ditto.
12730 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12732 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
12734 2000-02-28 Mark Mitchell <mark@codesourcery.com>
12736 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
12738 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
12740 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
12741 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
12742 NO_BUILTIN_WCHAR_TYPE is not defined.
12743 (CPP_WCHAR_TYPE): Delete.
12744 * cccp.c (main): Don't change wchar_type if cplusplus.
12745 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
12747 2000-02-28 Nick Clifton <nickc@cygnus.com>
12749 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
12751 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
12753 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
12754 (ASM_WEAKEN_LABEL): Define.
12756 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
12758 * expr.c (store_constructor): Do not emit USE.
12759 * rtl.h (stupid_life_analysis): Remove.
12761 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12763 * function.c (number_blocks): Reset next_block_index based on
12764 what debugging format is used, not what is defined.
12766 * lcm.c: Minor reformatting throughout.
12767 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
12769 * toplev.c (rest_of_compilation): Account for time in
12770 optimize_mode_switching.
12772 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
12773 if only marking labels.
12775 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
12777 * calls.c (expand_call): Attempt to combine stack adjustments with
12778 pending stack adjustments.
12780 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12782 * loop.c (reg_in_basic_block_p): Don't abort when falling through
12783 to the end of the function.
12785 2000-02-27 Mark Mitchell <mark@codesourcery.com>
12787 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
12789 * final.c (next_block_index): Remove.
12790 (max_block_depth): Likewise.
12791 (pending_blocks): Likewise.
12792 (init_final): Don't initialize them.
12793 (final_start_function): Don't set next_block_index. Set up
12795 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12796 * function.h (number_blocks): New function.
12797 * function.c (get_block_vector): New function.
12798 (identify_blocks): Use it.
12799 (reorder_blocks): Set NOTE_BLOCK.
12800 (number_blocks): New function.
12801 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12802 * tree.h (BLOCK_NUMBER): New macro.
12803 (tree_block): Add block_num field.
12804 * dbxout.c (next_block_number): Remove.
12805 (dbxout_init): Don't set it.
12806 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12807 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
12809 * toplev.c (rest_of_compilation): Always call
12810 find_loop_tree_blocks. Fix indentation.
12811 * dwarf2out.c (next_block_number): Remove.
12812 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12813 to determine block numbers.
12814 (gen_inlined_subroutine_die): Likewise.
12815 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12816 (decls_for_scope): Don't increment next_block_number.
12817 * dwarfout.c (next_block_number): Remove.
12818 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12819 to determine block numbers.
12820 (output_inlined_subroutine_die): Likewise.
12821 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12822 (output_decls_for_scope): Don't increment next_block_number.
12823 * sdbout.c (next_block_number): Remove.
12824 (sdbout_block): Use BLOCK_NUMBER.
12825 (sdbout_begin_block): Simplify.
12826 * xcoffout.c (next_block_number): Remove.
12827 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12828 (xcoffout_begin_block): Don't set next_block_number.
12829 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12832 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12834 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12835 (expand_builtin_strcpy): Pass correct type to size_binop.
12836 (expand_builtin_strcmp): Likewise.
12837 Clean up conditional structure.
12838 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12839 (complete_array_type): Don't use size_binop for MAXINDEX.
12840 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12841 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
12842 (c_alignof): Use size_one_node.
12843 (build_unary_op): Pass arg of proper type to size_binop.
12844 (really_start_incremental_init, push_init_level): Use sizetype for
12845 constructor{,_bit,_unfilled}_index.
12846 (pop_init_label, output_init_element): Likewise.
12847 (output_pending_init_elements, process_init_element): Likewise.
12848 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
12849 * expr.c (store_expr): Use size_int.
12850 (store_constructor): Use proper types for size_binop args.
12851 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12852 (expand_expr_unaligned): Likewise.
12853 (string_contant): Return object of sizetype.
12854 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12855 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12856 (ARGS_SIZE_TREE): Pass proper types to size_binop.
12857 * fold-const.c (int_const_binop): Refine when size_int is called.
12858 (fold_convert): Likewise.
12859 (size_int_wide): Rework to take KIND as arg, only take low order
12860 bits, handle new sizetype_tab datatype, and chain entries in
12862 (size_int_type_wide): New function.
12863 (size_binop): Validate types of arguments.
12864 (ssize_binop): Deleted.
12865 (size_diffop): New function.
12866 (extract_muldiv): Only fold division into multiplication for sizetypes.
12867 * function.c (assign_parms): Use size_diffop and make sure
12868 VAR field is of ssizetype; also pass proper type to size_binop.
12869 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12870 (round_down): Deleted from here.
12871 * store-layout.c (sizetype_tab): Now an array.
12872 (sizetype_set, early_root_list): New variables.
12873 (variable_size): Use size_one_node.
12874 (round_up): Pass proper type to size_binop.
12875 (round_down): Moved to here and corrected as above.
12876 (layout_record): Pass proper arg types to size_binop.
12877 (layout_type): Likewise.
12878 If sizetype_set is zero, record the type just laid out.
12879 (make_unsigned_type): Don't call set_sizetype;
12880 (make_signed_type): Likewise; also, call fixup_signed_type.
12881 (initialize_sizetypes): New function.
12882 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12883 set name of bitsizetype to "bit_size_type".
12884 Fix up type of sizes of all types made before call.
12885 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12886 * tree.c (fix_sizetype): Deleted.
12887 (build_common_tree_nodes): Call initialize_sizetypes.
12888 (build_common_tree_nodes_2): Don't call fix_sizetype.
12889 * tree.h (TYPE_IS_SIZETYPE): New macro.
12890 (initialize_sizetype): New declaration.
12891 (enum size_type_kind): New type.
12892 (struct sizetype_tab): Deleted.
12893 (sizetype_tab): Now array; adjust sizetype macros.
12894 (size_diffop, size_int_type_wide): New functions.
12895 (size_int_wide): Change number of args and type; access macros changed.
12896 (ssize_int, sbitsize_int): New macros.
12897 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12898 (ROUND_TYPE_SIZE_UNIT): New macro.
12900 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
12902 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12904 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12906 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12907 Mark as possibly unused.
12909 * cse.c (cse_insn): Delete dead code involving tablejump.
12910 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12912 * Makefile.in (libcpp.a): Start by deleting it.
12914 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12916 * cpplib.h (enum file_change_code): Added rename_file.
12917 * cpplib.c (do_line): If a filename is given, set file_change to
12919 (output_line_command): If file_change is rename_file, always
12920 output a # directive with the file name.
12922 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
12924 2000-02-26 Mark Mitchell <mark@codesourcery.com>
12926 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
12927 when copying a PARM_DECL or RESULT_DECL.
12929 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12931 * fix-header.c (recognized_function): Also fix prototypes for
12932 functions taking "void".
12934 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12936 * reload1.c (do_output_reload): Check reg_reloaded_valid before
12937 looking at reg_reloaded_contents.
12939 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
12941 * Makefile.in (STMP_FIXINC): New toggle.
12942 (LIBGCC2_DEPS): Delete all references.
12943 (stmp-headers): Delete target. All references either deleted
12944 or changed to stmp-int-headers.
12945 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
12946 (LIBCPP_OBJS): Take out cppalloc.o.
12947 (cppalloc.o): Delete target.
12948 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
12949 (gen-protos, fix-header): Link with libiberty.a.
12950 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
12953 * configure.in: Remove refs to strerror.
12954 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
12955 * system.h: Take out strerror stanza.
12957 * cpperror.c (my_strerror): Delete function.
12958 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
12959 * cppmain.c (main): Call xmalloc_set_program_name first thing.
12960 * cppalloc.c: Delete file.
12961 * gen-protos.c: Don't provide xrealloc.
12963 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
12964 xstrerror throughout.
12966 2000-02-26 Bruce Korb <bkorb@gnu.org>
12968 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
12969 match for DOS headers, too.
12970 * fixinc/inclhack.sh,fixincl.x: Regenerate.
12972 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12974 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
12975 is right for most ELF targets.
12976 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
12977 Let the default file use %U properly.
12978 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
12981 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
12984 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12986 * toplev.c (documented_lang_options): Correct spelling error.
12987 (decode_d_option, decode_f_option, main): Likewise.
12989 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
12991 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
12992 to tell assembler it is permitted to expand large constants.
12994 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
12996 * protoize.c: (AUX_INFO_SUFFIX): New macro.
12997 (aux_info_suffix): Use.
12998 (SAVE_SUFFIX): New macro.
12999 (save_suffix): Use.
13000 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13001 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13002 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13004 * invoke.texi (Running Protoize): Update documentation.
13006 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13008 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13010 2000-02-25 John Wehle (john@feith.com)
13012 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13014 2000-02-25 Anthony Green <green@cygnus.com>
13016 * toplev.c (rest_of_compilation): Rebuild jump labels if
13017 combine_instructions has created a new direct jump.
13018 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13020 (combine_instructions): Call try_combine with new argument.
13021 Return non-null value when new direct jump instruction is created.
13022 * rtl.h: combine_instructions returns an int.
13024 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13026 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13027 jump when changing a computed jump into a jump to a known
13030 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13032 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13033 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13035 * i386.md (define_expand "clrstrsi"): Fix typo.
13037 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13039 * rtl.texi: Fix typo.
13041 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13043 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13044 UNITS_PER_WORD. Change caller initial_elimination_offset.
13045 (rounded_frame_size): Take into account that argument pushed has
13046 changed. Fix TARGET_ALIGN_DOUBLE problem.
13048 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13050 * haifa-sched.c (schedule_block): Explain the real reason
13051 we delete REG_SAVE_NOTEs on the first insn of a block.
13052 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13054 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13056 * input.h (push_srcloc): New function.
13057 (pop_srcloc): Likewise.
13058 * toplev.c (push_srcloc): Define it.
13059 (pop_srcloc): Likewise.
13061 2000-02-24 Richard Henderson <rth@cygnus.com>
13063 * flow.c (life_analysis): When collecting reg info, clear
13066 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13068 Fix bug exposed by reload.c no longer rounding the frame
13069 size to BIGGEST_ALIGNMENT:
13070 * sh.c (rounded_frame_size): New function.
13071 (sh_expand_prologue, sh_expand_epilogue): Use it.
13072 (initial_elimination_offset): Likewise.
13074 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13076 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13077 * sh-protos.h (sh_need_epilogue): Declare.
13078 * sh.c (sh_need_epilogue_known): New static variable.
13079 (sh_need_epilogue): New function.
13080 (function_epilogue): Clear need_epilogue_known.
13081 * sh.md (return): Split into expander / insn pattern.
13082 Make the expander conditional on ! sh_need_epilogue ().
13084 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13086 * machmode.h (get_mode_alignment): Declare.
13087 (GET_MODE_ALIGNMENT): Call it.
13088 * stor-layout.c (get_mode_alignment): New function. Make
13089 sure alignment is always power of 2.
13091 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13093 * i386.h: Remove useless definition of "I386" and misleading
13096 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13098 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
13099 under which TREE_PERMANENT will be set.
13100 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
13101 build1): Use TREE_SET_PERMANENT.
13102 * print-tree.c (print_node): Don't report value of
13103 TREE_PERMANENT if ggc_p is true.
13105 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
13106 decide whether to give a type a new alias set.
13107 * objc/objc-act.c (build_objc_string_object): Never copy the string.
13108 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
13109 of value of 'obstack'.
13112 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13114 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
13116 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13118 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
13119 * cpplib.c (cpp_get_token): Produce them.
13120 * cppexp.c (cpp_lex): Handle them.
13122 2000-02-23 Nick Clifton <nickc@cygnus.com>
13124 * config/arm/arm.c (arm_comp_type_attributes): Simply and
13125 comment tests on type attributes.
13127 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13129 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
13130 conform to documentation.
13131 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
13132 to check for special cases.
13133 * sh-protos.h (sh_loop_align): Declare.
13134 * sh.c (sh_loop_align): Define.
13136 2000-02-22 Andrew Haley <aph@cygnus.com>
13138 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
13139 (SIZE_TYPE): Is 32 bits when using -mgp32.
13140 (PTRDIFF_TYPE): Ditto.
13142 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13144 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
13146 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13148 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
13149 BIGGEST_FIELD_ALIGNMENT a constant.
13151 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
13153 * dwarf2out.c (output_line_info): Put the marker for the end of
13154 the line number info at the actual end.
13155 (gen_struct_or_union_type_die): Use decl_function_context
13156 to check for local classes.
13157 * dwarfout.c (output_type): Likewise.
13159 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
13161 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
13162 for arguments with a mode, but no type.
13163 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
13164 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
13165 * pa/long_double.h: New file.
13166 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
13167 both have 128bit wide long doubles.
13168 * configure: Rebuilt.
13170 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13172 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
13174 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
13175 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
13176 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
13178 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
13180 * integrate.c (compare_blocks, find_block): Likewise.
13182 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
13184 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
13186 * stmt.c (stmt_status, set_file_and_line_for_stmt,
13187 expand_asm_operands): Likewise.
13189 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
13191 * predict.c (estimate_probability): Added the pointer heuristic to
13192 the collection of static branch predictors.
13194 2000-02-21 Catherine Moore <clm@cygnus.com>
13196 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
13197 * invoke.texi (-mfix7000): Document.
13199 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
13201 * diagnostic.c (init_output_buffer): Make it possible to output at
13202 least 32 characters if we're given a too long prefix.
13204 2000-02-20 Mark Mitchell <mark@codesourcery.com>
13206 * varasm.c (initializer_constant_valid_p): Call
13207 lang_expand_constant to simplify the constant.
13209 2000-02-20 Bruce Korb <bkorb@gnu.org>
13211 * fixinc/inclhack.def(stdio_va_list):
13212 typedef needs to be disabled.
13213 * fixinc/inclhack.sh: regen
13214 * fixinc/fixincl.x: regen
13216 2000-02-20 Geoff Keating <geoffk@cygnus.com>
13218 * print-rtl.c (print_rtx): Don't print addresses when
13219 flag_dump_unnumbered.
13221 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13223 * sparc.c (sparc_output_scratch_registers): Mark parameter with
13225 (sparc_va_arg, sparc_flat_output_function_prologue,
13226 sparc_flat_output_function_epilogue): Cast value to unsigned in
13228 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
13230 * sparc.md: Add default case in switch.
13232 2000-02-19 Richard Henderson <rth@cygnus.com>
13234 * c-typeck.c (add_pending_init): Don't abort for multiple
13235 fields at the same offset.
13236 (pending_init_member): Test the correct member.
13238 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13240 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
13242 (start_catch_handler) : Same.
13244 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
13246 * Makefile.in: Have flow.o depend on $(EXPR_H)
13248 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13250 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
13251 * c-decl.c (duplicate_decls, finish_enum): Likewise.
13252 (finish_decl): Remove -Wlarger-than code from here.
13253 * flags.h (id_clash_len): Now int.
13254 (larger_than_size): Now HOST_WIDE_INT.
13255 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
13256 Clean up checking to see if in table.
13257 (make_bit_field_ref): Remove extra parm to bitsize_int.
13258 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
13259 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
13260 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
13261 and for computing size of decl.
13262 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
13263 Move -Wlarger-than code to here.
13264 (layout_record): Remove extra arg to bitsize_int.
13265 Set TYPE_BINFO_SIZE_UNIT.
13266 (layout_union): Remove extra arg to bitsize_int.
13267 Use proper type for size of QUAL_UNION.
13268 (layout_type): Remove extra arg to bitsize_int.
13269 * toplev.c (id_clash_len): Now int.
13270 (larger_than_size): Now HOST_WIDE_INT.
13271 (decode_W_option): Clean up id-clash and larger-than- cases.
13272 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
13273 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
13274 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
13275 (struct tree_decl): New field size_unit.
13276 (size_int_wide): No HIGH operand; NUMBER is now signed.
13277 (size_int_2): Deleted.
13278 (size_int, bitsize_int): Don't use it and rework args.
13279 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
13281 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
13283 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
13285 2000-02-18 Geoff Keating <geoffk@cygnus.com>
13287 * invoke.texi (Warning Options): Add an explanation of why
13288 you might want the -Wfloat-equal flag.
13290 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13292 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13293 * cppinit.c (new_pending_define): Add cast to avoid warning.
13294 * expmed.c (extract_bit_field): Likewise.
13295 * flow.c (enum reorder_skip_type): New type.
13296 (skip_insns_between_blcok): New it.
13297 Rework to avoid warning about possibly undefined variable.
13298 * function.c (assign_parms): Make thisparm_boundary unsigned.
13299 * genrecog.c (write_switch): Cast XWINT result to int.
13300 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
13301 * mips-tfile.c (init_file): Make two versions of FDR intializer:
13302 one for MIPS and one for Alpha.
13303 (get_tag, copy_object): Add casts to avoid warnings.
13304 * optabs.c (init_one_libfunc): Cast NAME to (char *).
13305 * reload.c (find_reloads): Make TYPE enum reload_type.
13306 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
13307 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
13308 * varasm.c (compare_constant_1): Add cast to avoid warning.
13309 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
13311 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
13312 Cast switch operand of size to int.
13313 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
13314 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
13317 2000-02-18 Nick Clifton <nickc@cygnus.com>
13319 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
13320 anything for an alignment of zero.
13322 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
13323 anything for an alignment of zero.
13325 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
13327 * gcc.texi (Bug Reporting): Refer to bugs.html.
13328 (Bug Lists): Likewise.
13329 * system.h (GCCBUGURL): New preprocessor define.
13330 * rtl.c (fancy_abort): Use it.
13331 * gcc.c (main): Likewise.
13333 2000-02-18 Richard Henderson <rth@cygnus.com>
13335 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
13336 (life_analysis_1): Subsume into ...
13337 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
13338 Use update_life_info for the relaxation.
13339 (update_life_info): Update REG_BASIC_BLOCK for registers live on
13340 entry and regs_live_at_setjmp.
13341 (set_noop_p): Simplify.
13342 (notice_stack_pointer_modification_1): Renamed from s/_1//.
13343 (record_volatile_insns): Split into ...
13344 (delete_noop_moves): ... here,
13345 (notice_stack_pointer_modification): ... here,
13346 (insn_dead_p): ... and here.
13347 (propagate_block): Don't query INSN_VOLATILE.
13348 (mark_used_regs): Mind !PROP_REG_INFO.
13349 * toplev.c (rest_of_compilation): Call mark_constant_function here,
13350 not in life_analysis.
13352 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
13354 * loop.c (canonicalize_condition): New function,
13355 broken out of get_condition.
13356 (get_condition): Use it.
13357 * expr.h (canonicalize_condition): Prototype it.
13359 * tree.h (tree_int_cst_msb): Declare.
13360 * tree.c (tree_int_cst_msb): New function.
13362 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13364 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
13367 * invoke.texi (-fmessage-length=n): Document.
13369 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
13371 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
13373 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13375 * function.c (thread_prologue_and_epilogue_insns): Put a line note
13376 after the prologue.
13378 2000-02-17 Nick Clifton <nickc@cygnus.com>
13380 * config/arm/thumb.c: Replace includes of system headers with
13381 #include "system.h".
13383 2000-02-16 Richard Henderson <rth@cygnus.com>
13385 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
13386 Add crtbeginS.o and crtendS.o.
13387 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
13388 (ENDFILE_SPEC): Use crtendS.o.
13389 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
13391 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
13392 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
13393 shared and present.
13394 (__dso_handle): New variable.
13395 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
13396 bias to __CTOR_END__.
13398 2000-02-16 Richard Henderson <rth@cygnus.com>
13400 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
13402 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
13404 * longlong.h (__clz_tab): Declare as static to match definition.
13406 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
13408 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
13409 (XREF_FILE_NAME): Define.
13411 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
13412 (EH_FRAME_SECTION_ASM_OP): Define.
13413 (IDENT_ASM_OP): Define.
13414 (TEXT_SECTION_ASM_OP): Define.
13415 (CPP_SPEC): Define.
13416 (CTORS_SECTION_ASM_OP): Define.
13417 (CTOR_SECTION_FUNCTION): Use it.
13418 (DTORS_SECTION_ASM_OP): Define.
13419 (DTOR_SECTION_FUNCTION): Use it.
13421 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
13423 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
13426 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
13427 debug_bb_n): New functions.
13428 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
13429 * basic-block.h: Prototype new functions.
13431 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
13433 * configure.in: Add support for avr target.
13434 * configure: Rebuilt.
13436 * invoke.texi: Add AVR invocation docs.
13437 * install.texi: Add information about AVR.
13438 * md.texi: Add AVR constraint letters description.
13439 * extend.texi: Add description for AVR specific attributes.
13441 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
13443 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
13445 2000-02-16 Nick Clifton <nickc@cygnus.com>
13447 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
13448 (make_insn_raw): Move RTL check here.
13450 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13452 * version.c: Include gansidecl.h and version.h.
13454 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
13456 * configure.in (gcc_version): When setting, narrow search to
13457 lines containing `version_string'.
13459 * Makefile.in (mainversion): Likewise.
13460 (GCC_H): New variable.
13461 (gcc.h): Delete target.
13462 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
13463 (version.o): Depend on version.h.
13464 (dbxout.o): Don't depend on gcc.h.
13466 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
13467 Michael Meissner <meissner@cygnus.com>
13469 * md.texi (Simple Constraints): Add item about whitespace.
13470 * genoutput.c (strip_whitespace): New.
13471 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
13472 strip_whitespace for constraints.
13473 Test pointer using NULL, not 0.
13475 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13477 * cpplib.c (do_line): Pedwarn for #line > 32767.
13479 * c-lex.c (readescape): Warn about '\x', but do not reject it.
13481 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
13483 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
13484 to default cpp spec.
13485 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
13486 * cpp.texi: Document __GNUC_PATCHLEVEL__.
13489 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
13492 2000-02-15 Denis Chertykov <denisc@overta.ru>
13494 * configure.in: Add support for avr target.
13496 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13498 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
13499 (sh_addr_diff_vec_mode): Don't declare.
13500 * sh.c (sh_addr_diff_vec_mode): Delete.
13502 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13504 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
13506 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13508 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
13509 (smulsi3_highpart_i): Name.
13510 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
13511 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
13512 (smulsi3_highpart, umulsi3_highpart): Likewise.
13514 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
13515 correctly independent of endianness.
13516 (mulsidi3, umulsidi3): Now define_insn. Hide details that
13517 confuse the optimizers.
13518 (mulsidi3+1, umulsidi3+1): New define_split.
13520 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
13522 * config/sh/sh.md: Guard insn splits against illegal registers.
13523 * config/sh/sh.h: Correct comment about macros.
13525 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13526 Andrew MacLeod <amacleod@cygnus.com>
13528 * Makefile.in (lcm.o): Depend on insn-attr.h.
13529 * basic-block.h (optimize_mode_switching): Declare.
13530 * lcm.c (tm_p.h, insn-attr.h): #include.
13531 (seginfo, bb_info): New structs.
13532 (antic, transp, comp, delete, insert) : New file-scope static variables.
13533 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
13534 (reg_becomes_live, optimize_mode_switching): Likewise.
13535 * tm.texi: Add description of mode switching macros.
13536 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
13538 * sh-protos.h (remove_dead_before_cse): Remove prototype.
13539 (fldi_ok, fpscr_set_from_mem): New prototypes.
13540 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
13541 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
13542 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13543 (sh_flag_remove_dead_before_cse): Remove declaration.
13544 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
13545 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
13546 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
13547 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13548 (barrier_align): Allow for JUMP_INSNS containing a parallel.
13549 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
13550 (fldi_ok): New function.
13551 (get_fpscr_rtx): Add fpscr_rtx as GC root.
13552 (emit_sf_insn): Only generate fpu switches when optimize < 1.
13553 (emit_df_insn): Likewise.
13554 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
13555 (sh_flag_remove_dead_before_cse): Delete.
13556 (get_free_reg, fpscr_set_from_mem): New functions.
13557 * sh.md (movdf, movsf): Remove no_new_pseudos code.
13558 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
13560 2000-02-15 Loren Rittle <ljrittle@acm.org>
13562 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
13564 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13566 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
13567 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
13569 * cccp.c: Include version.h and/or don't declare `version_string'.
13570 * collect2.c: Likewise.
13571 * alpha.c: Likewise.
13572 * arm/aof.h: Likewise.
13573 * arm/coff.h: Likewise.
13574 * arm/elf.h: Likewise.
13575 * arm/pe.h: Likewise.
13576 * arm/tcoff.h: Likewise.
13577 * arm/telf.h: Likewise.
13578 * arm/tpe.h: Likewise.
13579 * arm/vxarm.h: Likewise.
13580 * convex/convex.c: Likewise.
13581 * i386/dgux.c: Likewise.
13582 * i386/sun386.h: Likewise.
13583 * m88k/m88k.c: Likewise.
13584 * mcore/mcore-pe.h: Likewise.
13585 * mips/mips.h: Likewise.
13586 * romp/romp.h: Likewise.
13587 * sh/sh.c: Likewise.
13588 * cpphash.c: Likewise.
13589 * cppinit.c: Likewise.
13590 * dwarf2out.c: Likewise.
13591 * dwarfout.c: Likewise.
13594 * mips-tfile.c: Likewise.
13595 * protoize.c: Likewise.
13596 * toplev.c: Likewise.
13597 * tree.h: Likewise.
13599 * version.c (version_string): Constify a char*.
13601 * version.h: New file.
13603 2000-02-14 Nick Clifton <nickc@cygnus.com>
13605 * configure.in: Add mcore-elf and mcore-pe targets.
13606 * configure: Regenerate.
13608 * NEWS: Add note that MCore port has been contributed.
13610 * invoke.texi: Document command line switches for MCore port.
13611 * install.texi: Add MCore to list of supported targets.
13613 2000-02-14 Geoff Keating <geoffk@cygnus.com>
13615 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
13616 then we will need to import the frame handling functions.
13617 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
13618 to import the frames themselves.
13620 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
13621 Jason Eckhardt <jle@cygnus.com>
13623 * basic_block.h: Added prototype for reorder_basic_blocks.
13624 * toplev.c: Changes to add -freorder-blocks and graph dump after
13625 block reordering is done.
13626 * flow.c (reorder_block_def): New structure for use during block
13628 (REORDER_BLOCK_*): New macros to access members of above structure.
13629 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
13630 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
13631 functions for block reordering.
13633 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
13635 * gcc.texi (Passes): Fix typo.
13636 * md.texi (Standard Names): Ditto.
13637 * tm.texi (Storage Layout): Ditto.
13639 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13641 * cpplib.c (do_define): Only free the old definition if it
13644 2000-02-13 Neil Booth <NeilB@earthling.net>
13646 * cppfiles.c (read_and_prescan): When emitting deferred
13647 newlines, test speccase[] again instead of checking each
13648 possible whitespace character in turn. When we encounter \r,
13649 look behind for \n first, then ahead.
13651 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13653 * cse.c (cse_altered): New internal flag.
13654 (cse_insn): Set it if we changed an insn.
13655 (cse_main): Clear cse_altered before each basic block.
13656 Only garbage collect if cse_altered is true afterward.
13658 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13660 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
13662 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
13664 * combine.c (simplify_comparison): Fix typo.
13666 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
13668 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
13671 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13673 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
13674 previously inserted node instead of root node. Caller changed.
13676 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13678 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
13680 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13682 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
13683 __dereg_frame_dtor): Add prototype argument.
13685 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
13687 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
13689 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
13691 * gthr-vxworks.h (__gthread_once): Likewise.
13693 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
13695 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
13697 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
13698 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
13699 stack pointer in functions w/o saved registers, output LEAVE more often
13700 on TARGET_USE_LEAVE machines.
13702 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
13704 * config/arm/arm.c (arm_init_cumulative_args); New function:
13705 Initlaise the CUMULATIE_ARGS strcuture for a function
13707 (arm_function_arg): New function: Determine where to place a
13708 function's argument. Also handles deciding the function's
13710 (current_file_function_operand): New function: Return true if
13711 the symbol is a function which has already been compiled.
13712 (arm_is_long_call_p): New function: Return true if the
13713 indicated function should be called via a long call.
13714 (arm_valid_type_attribute_p): New function: Return true if the
13715 attribute is a valid, arm specific, attribute.
13716 (arm_comp_type_attribute): New function: Return true if the
13717 two types have compatable, arm specific, attributes.
13719 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
13721 (FUNCTION_ARG): Redefine to call arm_function_arg.
13722 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
13724 (INIT_CUMULATIVE_ARGS): Redefine to call
13725 arm_init_cumulative_args.
13726 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
13728 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
13730 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
13732 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
13733 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
13734 (COMP_TYPE_ATTRIBUTES): Define.
13736 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
13737 if a long call is needed.
13738 (call_value): Call arm_is_long_call_p to decide if a long call
13740 (call_symbol): Call arm_is_long_call_p to decide if a long call
13743 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
13745 2000-02-11 Denis Chertykov <denisc@overta.ru>
13747 * README.AVR: New file with information about the avr ports.
13748 * config/avr: New directory with avr port files.
13750 2000-02-11 Andreas Jaeger <aj@suse.de>
13752 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
13754 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
13756 * cpphash.c: Fix formatting, update commentary.
13757 (dump_definition): Take three separate arguments instead of a
13758 MACRODEF structure argument.
13759 * cpphash.h: Update prototype of dump_definition.
13760 * cppinit.c (cpp_finish): Update call of dump_definition.
13762 * cpplib.c (do_define): Always create new hash entry with
13763 T_MACRO type. Remove redundant check for redefinition of
13764 poisoned identifier. Update call of dump_definition.
13765 (do_undef): Don't call check_macro_name. Rename sym_length to
13767 (do_error, do_warning): Don't use copy_rest_of_line or
13769 (do_warning): Don't use pedwarn for the actual warning,
13770 only the notice about its not being in the standard. (Fixes
13771 bug with #warning in system headers.)
13772 (do_ident): Stricter argument checking - accept only a single
13773 string after #ident. Also, macro-expand the line.
13774 (do_xifdef): Use cpp_defined. De-obfuscate.
13776 (do_pragma): Split out specific pragma handling to separate
13777 functions. Use get_directive_token. Update commentary. Do
13778 not pass on #pragma once or #pragma poison to the front end.
13779 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
13780 do_pragma_default): New.
13782 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
13784 * jump.c (jump_optimize_1): The first operand in a relational
13785 can be a CONST_INT.
13786 * optabs.c (emit_conditional_move): Handle relationals which
13787 have a known true/false result.
13789 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13791 * function.c (thread_prologue_and_epilogue_insns): Don't insert
13792 a RETURN insn into a block which already ends with a jump.
13794 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13796 * haifa-sched.c (BUF_LEN): Increase a lot.
13798 2000-02-11 Nick Clifton <nickc@cygnus.com>
13800 * configure.in: Add tm_p_file specification for thumb targets.
13801 * configure: Regenerate.
13803 * config/arm/thumb-protos.h: New file: Prototypes for exported
13804 functions defined in thumb.c.
13806 2000-02-11 Robert Lipe <robertl@sco.com>
13808 * Makefile.in (bootstrap-lean): Remove additional files.
13809 (bootstrap2-lean): Likewise.
13810 (VOL_FILES): List of files for above.
13812 2000-02-11 Nathan Sidwell <nathan@acm.org>
13814 * cpphash.c (special_symbol): Remove spurious argument to
13817 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13819 * configure.in: (i*86-*-rtems*): Swapped elf and coff
13821 * configure: Rebuilt.
13823 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
13825 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13827 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
13829 * pa.c, pa.h: Remove trigraph sequences within comments.
13831 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
13833 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13835 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
13837 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13839 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13841 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13843 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13845 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13846 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13847 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13848 (ASM_FILE_END): Use c4x_file_end.
13849 * config/c4x/c4x.c (c4x_global_label): New function.
13850 (c4x_external_ref, c4x_file_end): Likewise.
13852 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13853 (c4x_external_ref, c4x_end_file): Likewise.
13855 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
13857 * cppexp.c: Don't include cpphash.h.
13858 (parse_charconst, cpp_lex): Use cpp_defined.
13859 (cpp_lex): Use get_directive_token throughout. Remove
13860 unnecessary cases from switch. Move assertion-handling code
13861 down to OTHER case.
13862 (cpp_parse_expr): If we see '+' or '-', check the context to
13863 determine if they are unary or binary operators. Streamline
13864 the jumps a bit. Do not call skip_rest_of_line.
13866 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13867 static. Export get_directive_token. Update commentary.
13868 (cpp_defined): New function.
13869 (do_define): Remove reference to T_PCSTRING. Call
13870 free_definition to release memory for old definition, when
13871 redefining a macro.
13872 (eval_if_expression): Set only_seen_white to 0 before calling
13873 cpp_parse_expr. Call skip_rest_of_line after it returns.
13874 (cpp_read_check_assertion): Don't preserve a pointer into the
13875 token buffer across a call to cpp_get_token.
13877 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
13878 * cppfiles.c (redundant_include_p): Use cpp_defined.
13879 * cpphash.c (free_definition): New function.
13880 (delete_macro): Use it. Update commentary.
13881 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
13883 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13884 from enum node_type. Prototype cpp_defined and get_directive_token.
13885 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13887 * fix-header.c (check_macro_names): Use cpp_defined.
13888 (read_scan_file): Set inhibit_warnings and inhibit_errors in
13889 the options structure.
13891 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13893 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13895 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
13897 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13898 rather than die->die_tag.
13900 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13902 * combine.c (make_extraction, force_to_mode): Avoid warning on
13903 mixed-signedness conditionals.
13904 (make_field_assignment, nonzero_bits): Likewise.
13905 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13906 (store_split_bit_field, extract_split_bit_field): Likewise.
13907 (extract_fixed_bit_field, store_bit_field,
13908 * expr.c: Change alignment to be unsigned everywhere.
13909 (move_by_pieces, store_constructor_field, store_constructor):
13910 Alignment parm is unsigned.
13911 (emit_block_move, emit_group_load, emit_group_store): Likewise.
13912 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13913 (do_compare_rtx_and_jump): Likewise.
13914 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
13915 Compare align with GET_MODE_ALIGNMENT.
13916 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13917 (get_inner_reference): Likewise.
13918 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13919 (expand_assignment): Local vars for alignment now unsigned.
13920 (store_constructor, store_field, expand_expr, do_jump): Likewise.
13921 (do_compare_and_jump): Likewise.
13922 (store_field): Call new function expr_align.
13923 * expr.h (emit_block_move, emit_group_load, emit_group_store):
13924 Alignment arg now unsigned.
13925 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13926 (do_compare_rtx_and_jump, store_bit_field): Likewise.
13927 (extract_bit_field): Likewise.
13928 * fold-const.c (add_double): Add cast to eliminate signedness warning.
13929 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
13930 (get_best_mode): Alignment arg is unsigned.
13931 * rtl.h (move_by_pieces): Likewise.
13932 * store-layout.c (maximum_field_alignment, set_alignment):
13934 (layout_decl): Alignment arg is now unsigned.
13935 Remove unneeded casts.
13936 (layout_record, layout_union, layout_type): Remove unneeded casts.
13937 Local alignment variables now unsigned.
13938 (get_best_mode): Alignment arg now unsigned.
13939 * tree.c (expr_align): New function.
13940 * tree.h (expr_align): Likewise.
13941 (maximum_field_alignment, set_alignment): Now unsigned.
13942 (get_inner_reference): Alignment argument is now pointer to unsigned.
13943 * varasm.c (assemble_variable): Add cast to eliminate warning.
13945 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
13947 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
13948 then store directly into op0.
13950 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
13951 the CALL_INSN, and emit the note immediately after it.
13953 2000-02-10 Nick Clifton <nickc@cygnus.com>
13955 * config/arm/thumb.md (epilogue): Include a (return) in the
13956 generated insn, and emit it using emit_jump_insn not
13959 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
13961 * function.c (assign_temp): Change zero-sized arrays to size 1.
13962 * integrate.c (expand_inline_function): Do not update
13963 stack_alignment_needed
13964 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
13965 add some sanity checking, remove optimization for function with
13968 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13970 * flow.c (mark_regs_live_at_end): Delete unused variables.
13972 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
13974 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
13975 in macro FRAME_GROWS_DOWNWARD.
13977 * stmt.c (expand_end_bindings): Delete unused variable.
13979 * unroll.c (iteration_info): Mark parameter `loop' with
13982 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13984 * fixinc/server.c (load_data): Return NULL if the marker line is
13986 (run_shell): If load_data returns NULL, retry the command once, in
13989 * configure: Rebuilt.
13991 2000-02-09 Bruce Korb <bkorb@gnu.org>
13993 * gcc/fixincludes: ** DELETED **
13994 * gcc/fixcpp: ** DELETED **
13995 * gcc/fixinc-nt.sed: ** DELETED **
13996 * gcc/just-fixinc: ** DELETED **
13997 * gcc/Makefile.in: Removed out-dated commentary
13998 * gcc/configure.in: Removed fast-fixincludes disablement.
13999 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14001 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14002 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14005 2000-02-09 Richard Henderson <rth@cygnus.com>
14007 * jump.c (delete_insn): Don't delete user labels at -O0.
14009 2000-02-09 Robert Lipe <robertl@sco.com>
14011 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14012 Don't link with HOST_LIBS.
14014 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14016 * configure.in: Correct --help text for --with-dwarf2.
14017 Put tm-dwarf2.h after other tm files, if it's requested.
14018 * configure: Regenerate.
14019 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14022 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14024 * cpplib.h: Provide HASHNODE typedef and forward decl of
14025 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14026 DEFINITION, struct hashnode, struct macrodef, struct
14027 definition, scan_decls prototype, default defn of
14028 INCLUDE_LEN_FUDGE moved elsewhere.
14030 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14031 definition, and struct hashnode moved here. Remove the unused
14032 'predefined' field from struct definition. Replace the 'args'
14033 union with its sole member. All users updated (cpphash.c).
14034 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14035 multiple include guard.
14037 * cpphash.c (hashf): Make static; use better algorithm; drop
14038 HASHSIZE parameter; return an unsigned int.
14039 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14040 used. Calculate HASHSIZE modulus here.
14041 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14043 (create_definition): Drop PREDEFINITION parameter.
14044 * cpplib.c (do_define): Don't calculate a hash value here.
14045 Don't pass (keyword == NULL) to create_definition.
14047 * scan.h: Prototype scan_decls here.
14048 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14049 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14050 callers of cpp_lookup and cpp_install updated.
14052 * cpphash.c (macarg): Hoist all the flag diddling out of the
14054 (macroexpand): ... and out of the loop that calls macarg.
14055 Skip over the initial paren before macro arguments with
14056 cpp_get_non_space_token; point may be some distance before
14057 that paren. Abort if it's not there.
14059 * cpplib.c (parse_clear_mark): Delete function.
14060 (parse_set_mark, parse_goto_mark): Make static.
14061 (ACTIVE_MARK_P): New macro.
14062 (skip_block_comment, skip_line_comment): Do not bump the line
14063 if ACTIVE_MARK_P is true.
14064 (cpp_pop_buffer): The buffer to be popped may not have an
14066 (cpp_get_token): When looking for the initial paren before
14067 macro arguments, only set a mark in a file buffer, Always
14068 return to that mark before proceeding to call macroexpand or
14069 return a NAME token.
14071 * cpplib.h: Remove prototypes of parse_set_mark,
14072 parse_clear_mark, parse_goto_mark.
14073 (struct cpp_options): Rename 'put_out_comments' to
14074 'discard_comments' and invert its sense.
14075 * cppinit.c, cpphash.c, cpplib.c: All users of
14076 put_out_comments changed to use discard_comments, with
14079 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14081 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14082 the edge from a block that both jumps and falls through to the
14085 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14087 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14088 constant source address is legitimate.
14090 2000-02-09 Philip Blundell <pb@futuretv.com>
14092 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14095 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14097 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
14099 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14101 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
14102 ends with a newline and a NUL. Don't be so clever manipulating
14105 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
14107 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
14108 not to BIGGEST_ALIGNMENT.
14110 2000-02-08 Geoff Keating <geoffk@cygnus.com>
14112 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
14113 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
14114 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
14115 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
14116 * frame.c (execute_cfa_insn): Handle
14117 DW_CFA_GNU_negative_offset_extended.
14119 2000-02-08 Richard Henderson <rth@cygnus.com>
14121 * flow.c (tidy_fallthru_edges): Split out from ...
14122 (delete_unreachable_blocks): ... here.
14123 (find_basic_blocks): Use it.
14125 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14127 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
14129 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
14131 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
14132 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
14133 (fix-header.o): Don't depend on cpphash.h.
14135 * scan.c (hashstr): New function.
14136 * scan.h: Prototype it.
14137 * fix-header.c: Don't include cpphash.h. Use hashstr.
14138 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
14139 hashstr. Report hash table statistics. Add private
14140 definition of xrealloc.
14142 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14144 * i386.h (TARGET_SWITCHES): Fix typo in option name.
14146 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
14148 * function.c (thread_prologue_and_epilogue_insns): Don't replace
14149 jumps with returns unless they are jumps to the fallthru block.
14151 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
14153 * i386.md (addqi3_cc): Fix contraints.
14155 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14157 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
14159 2000-02-07 Mark Mitchell <mark@codesourcery.com>
14161 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
14162 carriage return after a macro name.
14164 2000-02-07 Fred Fish <fnf@be.com>
14166 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
14167 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
14169 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
14171 * cppfiles.c (deps_output): Count spacers in deps_column.
14173 2000-02-07 Neil Booth <NeilB@earthling.net>
14175 * cppinit.c (initialize_dependency_output): If there is no
14176 suffix, don't try to look for known suffixes. Use strrchr.
14177 (cpp_start_read): Remove duplicate initialization.
14179 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
14181 * calls.c (compute_argument_block_size): New argument
14182 preferred_stack_boundary.
14183 (expand_call): update cfun->preferred_stack_boundary, update call of
14184 compute_argument_block_size
14185 (emit_library_call): Increate cfun->preferred_stack_boundary
14186 to PREFERRED_STACK_BOUNDARY
14187 (emit_library_call_value): Likewise.
14188 * explow.c (allocate_dynamic_stack_spave): Likewise.
14189 * function.c (prepare_function_start): Set
14190 cfun->preferred_stack_boundary
14191 * function.h (struct function): Add preferred_stack_boundary field.
14192 * integrate.c (expand_inline_function): Update
14193 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
14194 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
14195 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
14197 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
14199 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
14200 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
14201 cpp_pedwarn, cpp_pedwarn_with_line,
14202 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
14203 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
14204 v_cpp_error_with_line, v_cpp_warning_with_line,
14205 cpp_message_from_errno, cpp_perror_with_name): Delete.
14207 * cpperror.c (cpp_print_containing_files): Take starting
14208 buffer as argument.
14209 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
14210 (v_cpp_message): Now called directly by all entry points.
14212 (cpp_pfatal_with_name, cpp_message): Delete.
14213 (cpp_notice_from_errno, cpp_ice): New functions.
14214 (cpp_notice): Is now for reporting error conditions, just
14215 without an associated file.
14216 (cpp_error, cpp_error_with_line): Don't do anything if
14217 opts->inhibit_errors is on.
14218 (cpp_pedwarn_with_file_and_line): Take column argument also.
14220 * cpplib.h: Update prototypes of exported functions.
14221 (struct cpp_options): Add inhibit_errors.
14223 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
14224 non-error messages. Include intl.h.
14226 * cppinit.c, cppmain.c: Likewise. Also, use
14227 cpp_notice_from_errno instead of cpp_perror_with_name or
14228 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
14230 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
14231 report internal errors.
14233 * cpplib.c (do_define): Switch bcopy to memcpy.
14234 Give cpp_pedwarn_with_file_and_line a dummy column argument.
14236 * cpplib.c (copy_rest_of_line): Revert previous change: don't
14237 bail out early if we hit a line comment.
14239 2000-02-06 Richard Henderson <rth@cygnus.com>
14241 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
14242 * basic-block.h: Declare them.
14243 * emit-rtl.h (active_insn_p): New.
14244 (next_active_insn, prev_active_insn): Use it.
14245 * rtl.h: Declare it.
14246 * function.c (emit_return_into_block): New.
14247 (thread_prologue_and_epilogue_insns): Insert return insns instead
14248 of epilogues when possible.
14249 * jump.c (jump_optimize_1): Remove code to insert a return insn
14250 on the fallthru to the exit block.
14252 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
14253 and for non-empty stack frames.
14254 * i386.md (return): Expand to return-pop as needed.
14256 2000-02-06 Richard Henderson <rth@cygnus.com>
14258 * simplify-rtx.c (simplify_relational_operation): Canonicalize
14259 constant to op1 for testing.
14261 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14263 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
14264 (fixuns_truncqfqi2): Use it.
14266 2000-02-06 Richard Henderson <rth@cygnus.com>
14268 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
14269 as a TYPE_LEA insn.
14271 * i386.md (widening and peepholes): Mask the constant instead of
14274 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14276 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
14277 input pointer before possibly branching off to the backslash
14279 * cpphash.c (macroexpand): Correctly delete \r escapes when
14280 stringifying parameters.
14281 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
14282 if we can; bail out early if we hit a line comment.
14283 (handle_directive): Treat '# 123' in an .S file just like
14284 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
14285 Return 1 for '# not_a_directive'.
14286 (get_directive_token): Pop macro buffers here, so that
14287 cpp_get_token can't sneakily move past a newline.
14289 (cpp_get_token): goto randomchar if handle_directive returns 0.
14291 * cppalloc.c: Update copyright.
14292 * cpplib.c: Merge all the static function prototypes into one
14294 * cpplib.h: Remove #if 0 block.
14296 * cpperror.c: Remove #ifdef EMACS block.
14297 * cppmain.c: Likewise.
14298 * cpphash.c: Remove #if 0 blocks.
14299 * cppinit.c: Remove #if 0 blocks, and the -lint option.
14300 * cpplib.c: Remove #if 0 blocks and code referencing
14301 pcp_inside_if or for_lint. Remove duplicate error message.
14302 Fix error messages for #else after #else or #elif. Reformat.
14303 Remove archaic TODO list.
14304 * cpplib.h: Remove pcp_inside_if and for_lint flags.
14306 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14308 * i386/osf1elf.h: Add missing backslash to multiline string.
14310 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14312 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
14314 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14316 * Makefile.in (c-common.o): Depend on $(EXPR_H).
14318 * c-common.c: Include expr.h.
14320 * c-pragma.c (mark_align_stack): Add prototype.
14322 * caller-save.c (add_stored_regs): Likewise.
14324 * combine.c (record_promoted_value): Likewise.
14326 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
14329 * cppinit.c (new_pending_define): Likewise.
14331 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
14333 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
14334 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14335 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
14336 class_scope_p): Likewise.
14338 * dwarf2out.h (dwarf2out_set_demangle_name_func,
14339 dwarf2out_add_library_unit_info): Likewise.
14341 * ggc.h (ggc_page_print_statistics): Likewise.
14343 * haifa-sched.c (propagate_deps): Likewise.
14345 * reg-stack.c (next_flags_user, record_label_references): Likewise.
14347 * rtl.h (set_stack_check_libfunc): Likewise.
14349 * toplev.h (set_fatal_function): Likewise.
14351 * toplev.c (set_fatal_function): Delete prototype.
14353 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
14355 2000-02-05 Geoff Keating <geoffk@cygnus.com>
14357 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
14358 (FUNC_END): Likewise.
14360 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14362 * caller-save.c: Include tm_p.h.
14364 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14366 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
14368 2000-02-04 Neil Booth <NeilB@earthling.net>
14370 * cccp.c (main): Check 'dir' for a NULL pointer before passing
14373 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
14375 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
14376 * genflags.c: Use the max_operand_1 logic from genemit.c to
14377 calculate how many arguments gen_insn prototypes have. Remove
14378 NO_MD_PROTOTYPES ifdefs from the generated file.
14379 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
14380 file. Cast gen_insn initializers to insn_gen_fn.
14381 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
14382 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
14384 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14386 * fixinc/Makefile.in (HDR): Add machname.h.
14389 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14391 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
14392 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
14393 (c4x_cpu_version): Ditto.
14394 * config/c4x/c4x-protos.h: ... here.
14396 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
14398 * dwarf2out.c (add_abstract_origin_attribute): Don't call
14399 gen_abstract_function on our context if we're a nested function.
14401 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14403 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
14404 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
14406 2000-02-04 Bruce Korb <bkorb@gnu.org>
14408 * fixinc/genfixes(machname.h):
14409 Move the functionality from gen-machine.h into this file.
14410 UNdef MN_NAME_PAT if there are no names to change.
14411 Also, be a little kinder when AutoGen is not present.
14413 * fixinc/Makefile.in(machname.h):
14414 Change the generation rule to use genfixes.
14416 * fixinc/fixfixes.c(machine_name):
14417 machine_name_fix's functionality now dependent upon whether
14418 MN_NAME_PAT is defined.
14420 * fixinc/fixtests.c(machine_name):
14423 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
14426 * fixinc/fixlib.h(mn_get_regexps):
14429 * fixinc/gen-machine.h: DELETED
14431 2000-02-04 Jan Hubicka <jh@suse.cz>
14432 Richard Henderson <rth@cygnus.com>
14434 * i386.c (SAVE_REGS_FIRST): Remove.
14435 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
14436 (ix86_compute_frame_size): Likewise.
14437 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
14438 (ix86_emit_restore_regs): Remove.
14439 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
14440 when a frame pointer is in use.
14441 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
14442 instead of pop to restore a register when profitable; emit leave
14444 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
14445 as a TYPE_LEA insn.
14446 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
14447 * i386.md (prologue_allocate_stack): Remove.
14448 (epilogue_deallocate_stack): Remove.
14449 (pro_epilogue_adjust_stack): New.
14451 2000-02-04 Richard Henderson <rth@cygnus.com>
14453 * function.c (diddle_return_value): Rework to use a callback function.
14454 Use current_function_return_rtx if it's been set up.
14455 (do_clobber_return_reg, clobber_return_register): New.
14456 (do_use_return_reg, use_return_register): New.
14457 (expand_function_end): Use them.
14458 * stmt.c (expand_null_return): Likewise.
14459 * function.h: Declare them.
14460 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
14461 (mark_reg): Change arguments as appropriate for callback.
14462 * integrate.c (expand_inline_function): Revert 19 Jan change.
14464 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
14466 * tm.texi (Values in Registers): Fix typo: "fo" "for".
14467 (Misc): Say the scheduler, not the Haifa scheduler.
14469 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
14471 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
14472 when in_mem is set. Update all callers.
14474 2000-02-04 Richard Henderson <rth@cygnus.com>
14476 * i386/openbsd.h (INT_ASM_OP): Define.
14478 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
14480 * tm.texi: Fix various typos.
14482 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
14484 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
14485 (MD_STARTFILE_PREFIX_1): New macro.
14487 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
14489 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
14490 destination when needed.
14491 (strmovsi, strsetsi): New expander.
14492 (strmovsi_1, strsetsi_1): New pattern.
14493 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
14494 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
14495 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
14496 * invoke.texi (align-stringops, inline-all-stringops): Document.
14498 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
14500 * i386/netbsd.h (INT_ASM_OP): Define.
14502 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
14504 * cpplib.h (cpp_reader): Add new flag, no_directives.
14505 * cpphash.c (macarg): Set it.
14506 * cpplib.c (handle_directive): If no_directives is on and we
14507 find a directive, issue an error and discard the line.
14509 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
14511 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
14512 FP constants. Add ! TARGET_FPU check for FP constants.
14514 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
14516 * flow.c (find_basic_blocks): Don't kill label_value_list
14518 (cleanup_cfg): Kill it here.
14520 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14522 * expr.c (store_field): Ensure ALIGN is no stricter than the
14525 2000-02-02 Richard Henderson <rth@cygnus.com>
14527 * jump.c (delete_insn): Partially revert 19 Jan change;
14528 don't convert unused code labels to notes at -O0.
14530 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14532 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
14533 split_all_insns to recreate REG_LABEL notes for flow2 pass.
14535 2000-02-01 Richard Henderson <rth@cygnus.com>
14537 * i386.c (general_no_elim_operand): New.
14538 (nonmemory_no_elim_operand): New.
14539 (ix86_expand_move): Copy eliminable operands before a push.
14540 * i386-protos.h: Declare new functions.
14541 * i386.h (CAN_ELIMINATE): Simplify.
14542 (PREDICATE_CODES): Update.
14543 * i386.md (push insns): Don't allow eliminable register operands.
14545 2000-02-01 Richard Henderson <rth@cygnus.com>
14547 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
14548 replace BLKmode with DECL_RTL's mode.
14550 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
14552 * frame.c (find_fde): Convert for loop to do-while so compiler
14553 sees it's always executed at least once.
14554 * libgcc2.c (BBINBUFSIZE): Kill.
14555 (__bb_init_prg): Use fgets.
14556 (__bb_exit_trace_func): Don't paste strings.
14557 * unroll.c (unroll_loop): Initialize unroll_type, not
14558 unroll_number, and tweak logic to match.
14560 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
14562 (ix86_flags_dependant): Likewise. Disentangle control flow.
14563 (ix86_sched_reorder): Break guts out to
14564 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
14565 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
14568 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
14569 use string concatenation. Don't save and restore esi.
14571 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
14572 (machname.h): Remove script to separate file. Use two-step
14573 sequence so target is not created if script fails.
14574 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
14575 identifiers are defined.
14576 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
14577 an empty string, machine_name doesn't need to do anything at
14579 (is_cxx_header): Add more cases to regexp.
14580 * fixinc/fixlib.h: Update prototype.
14581 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
14583 * fixinc/fixincl.c: Define NO_BOGOSITY.
14585 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
14586 (hp_sysfile): Add missing comma.
14587 (math_exception): Put the wrapper ifdefs at the beginning and
14588 the end of the file.
14589 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
14591 2000-02-01 Richard Henderson <rth@cygnus.com>
14593 * sparc.c (fp_zero_operand): Turn into a normal predicate.
14594 Use CONST0_RTX. Update all callers.
14595 * sparc.h, sparc-protos.h: Update accordingly.
14596 * sparc.md (fp mov insns): Use fp_zero_operand directly
14599 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14601 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
14604 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14606 * Makefile.in (specs.ready): New target.
14607 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
14609 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14611 * fixinc.irix: Use unique filenames for writing into /tmp,
14612 * fixinc.ptx: Likewise.
14613 * fixinc.sco: Likewise.
14614 * fixinc.svr4: Likewise.
14615 * fixinc.winnt: Likewise.
14617 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14619 * tsystem.h: New file.
14621 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
14622 s-crtS): Depend on tsystem.h.
14624 * crtstuff.c: Include tsystem.h.
14625 * frame.c: Likewise.
14626 * libgcc2.c: Likewise.
14628 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
14630 * builtins.c (expand_builtin_memset): Expand for variable sized
14633 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
14635 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
14638 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14640 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
14642 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
14644 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
14646 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
14647 case 3->2 combining (combining with splitting) in which 2 is CC0
14648 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
14649 checked at the begining of the function with the aid of calling
14650 function 'can_combine_p'.
14652 2000-01-31 Dave Brolley <brolley@redhat.com>
14654 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
14656 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
14658 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
14661 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14663 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
14665 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
14668 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14670 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
14671 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
14672 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
14673 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
14674 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
14675 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
14676 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
14677 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
14678 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
14679 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
14681 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
14682 Add %(cpp_cpu) to CPP_SPEC.
14684 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
14685 Add %(cc1_cpu) to CC1_SPEC.
14687 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14689 * c-decl.c (c_decode_option): Accept optional numeric argument to
14690 -Wformat and set warn_format.
14691 * c-common.c: Don't emit warning about non-constant printf format
14692 string unless warn_format > 1.
14694 2000-01-30 Richard Henderson <rth@cygnus.com>
14696 * alpha.md (return_internal): Allow after reload only.
14698 2000-01-30 Richard Henderson <rth@cygnus.com>
14700 * i386.c (ix86_compute_frame_size): Omit padding1 if the
14701 local frame size is zero.
14703 2000-01-30 Richard Henderson <rth@cygnus.com>
14705 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
14706 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
14707 * alpha.md (return): Turn into an expander.
14708 (return_internal): Don't use $26.
14709 (epilogue): Emit the return insn.
14711 2000-01-30 Richard Henderson <rth@cygnus.com>
14713 * alpha.md (negtf2, abstf2): Fix word order thinko.
14714 (extendsftf2): New.
14715 (trunctfsf2): Avoid intermediate rounding errors.
14717 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14719 * cppfiles.c (find_position): Drop 'colp' argument, return the
14721 (read_and_prescan): Adjust to match. Don't ever manipulate
14722 line or line_base except via find_position.
14724 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14726 * c-parse.in: Apply Ulrich's changes from c-parse.y.
14727 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
14730 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14732 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
14733 just print "<command line>". If 'filename' is null or an
14734 empty string, print "<stdin>" for the filename.
14735 * cpplib.c (do_define): Don't print the 'location of the
14736 previous definition' message if we're still parsing the
14738 (cpp_pedwarn_with_file_and_line): Always call
14739 cpp_file_line_for_message.
14741 2000-01-29 Mark Mitchell <mark@codesourcery.com>
14743 * flow.c (mark_regs_live_at_end): Fix typo.
14745 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14747 * c-common.c: Adjust variable names, comments, help strings to c99.
14748 * c-lex.c: Likewise.
14749 * c-parse.y: Likewise.
14750 * c-tree.h: Likewise.
14751 * cccp.c: Likewise.
14752 * cpplib.h: Likewise.
14753 * c-decl.c: Likewise. Recognize options with names "*99" as well.
14754 * cppinit.c: Likewise.
14756 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14758 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
14759 * c4x.c: Define the optab rtx values.
14760 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
14761 (c4x_emit_libcall): Use new optab rtx values.
14762 (c4x_emit_libcall3): Likewise.
14763 (c4x_emit_libcall_mulhi): Likewise.
14764 * c4x-protos.h: Add prototypes for optab rtx values and change
14765 prototypes for above c4x_emit_libcall functions.
14767 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14769 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
14771 (c4x_function_prologue): Use regnames intead of float_reg_names when
14773 (c4x_function_epilogue): Likewise.
14774 (c4x_print_operand): Likewise.
14775 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
14776 * c4x.md (set_high): Disable for TARGET_TI.
14778 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14780 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14781 of framepointer + constant to ADDR_REGS class.
14782 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
14783 * c4x.c (std_or_reg_operand): New function.
14784 * c4x-protos.h (std_or_reg_operand): Prototype it.
14786 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14788 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14789 object names as libgcc2.c.
14790 * libgcc.S: Use newly defined names.
14792 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
14793 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14795 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14796 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14797 (FLOW_LOOP_LAST_BLOCK): Likewise.
14799 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14801 * basic-block.h (struct loop): New fields 'first' and 'last'.
14802 * flow.c (flow_loops_find): Compute loop->first and loop->last.
14803 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14804 and loop->last to check for NOTE_INSN_LOOP_END.
14806 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
14808 * predict.c (estimate_probability): Use the new FIRST and LAST fields
14809 of the loop descriptor rather than HEADER and LATCH. Also added
14810 missing break statements as well making some coding style modifications
14811 as suggested by Michael Hayes.
14813 2000-01-28 Richard Henderson <rth@cygnus.com>
14815 * flow.c (find_basic_blocks): Remove do_cleanup argument.
14816 Break out that code ...
14817 (cleanup_cfg): ... here.
14818 (commit_one_edge_insertion): Detect a return instruction being
14819 emitted to an edge. Emit a barrier following; clear fallthru.
14820 (commit_edge_insertions): Verify CFG consistency.
14821 * function.c (expand_function_start): Kill unused variable.
14822 (expand_function_end): Likewise.
14823 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14824 to insert the epilogue.
14826 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
14827 (delete_null_pointer_checks): Likewise.
14828 * output.h: Likewise.
14829 * reg-stack.c (reg_to_stack): Likewise.
14830 * toplev.c (rest_of_compilation): Likewise. Run
14831 thread_prologue_and_epilogue_insns after rebuilding the CFG.
14833 2000-01-28 Richard Henderson <rth@cygnus.com>
14835 * Makefile.in (flow.o): Revert 24 Jan change.
14836 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
14837 FUNCTION_VALUE result to DECL_RESULT's mode.
14839 * haifa-sched.c (schedule_insns): Don't recompute reg info
14842 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
14844 * configure.in: Make --enable-cpplib the default.
14845 * configure: Regenerate.
14846 * gcc.dg/990119-1.c: No longer expected to fail.
14848 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
14850 * jump.c (jump_optimize_1): Delete an optimization that is also done
14851 by merge_blocks in flow.
14853 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14855 * diagnostic.c (build_message_string, output_printf,
14856 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14857 (build_location_prefix): Fix non-literal format string.
14859 2000-01-27 Richard Henderson <rth@cygnus.com>
14861 * alpha.md (trunctfsf2): New.
14863 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
14865 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14867 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14869 * cppinit.c (cpp_handle_option): Recognize C++ comments under
14871 * cpplib.c (skip_block_comment, skip_line_comment): Split code
14873 (skip_comment) ... here. Permit C++ comments in system
14874 headers always. Warn about C++ comments in user code under
14875 -std=gnu89 -pedantic.
14876 (copy_comment): Use skip_comment.
14877 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14879 (consider_directive_while_skipping, do_else, do_endif): Call
14880 validate_else unconditionally.
14881 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
14882 text after the conditional in a system header.
14883 * cpplib.h (struct cpp_buffer): Add flag
14884 warned_cplusplus_comments.
14886 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14888 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14889 Use unshare_all_rtl_1.
14890 (unshare_all_rtl_again): New function.
14891 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
14893 * function.c (purge_addressof_1): Use unshare_all_rtl_again
14894 rather than resetting the 'used' flags ourself.
14896 * toplev.c (rest_of_compilation): Add current_function_decl
14897 to the unshare_all_rtl call.
14898 * tree.h: Prototype unshare_all_rtl.
14899 * rtl.h: Prototype unshare_all_rtl_again here.
14901 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14903 * genoutput.c (output_prologue): Include ggc.h in generated
14905 * Makefile.in (insn-output.o): Depends on ggc.h.
14907 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
14908 Hans-Peter Nilsson <hp@bitrange.com>
14910 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14911 Remove redundant include of xm-ns32k.h.
14912 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14913 Remove redundant include of xm-ns32k.h.
14914 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14915 Remove redundant include of xm-ns32k.h.
14916 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14918 * ns32k/ns32k.h: Update comment on multiply-add instructions.
14919 (TARGET_SWITCHES): Add documentation strings.
14920 (DWARF_FRAME_REGNUM): Override default definition.
14921 (REG_CLASS_CONTENTS): Add comments.
14922 (SUBSET_P): Format to reduce line length.
14923 (SMALL_REGISTER_CLASSES): Make a run time option.
14924 (GO_IF_NONINDEXED_ADDRESS): Reformat.
14925 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
14926 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
14927 (regclass_map): fix typo in comment.
14928 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
14929 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
14930 (trace, reg_or_mem_operand): Delete, unused function.
14931 (calc_address_cost): Small offsets are cheaper than large ones.
14932 (expand_block_move): Generate more efficient code when bytes is a
14933 known at compile time.
14934 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
14935 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
14936 instead of reg_or_mem_operand.
14938 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
14939 not general_operand. Similarly use "=rm" or stricter, not "=g".
14940 For input operands, use stricter constraints than "g" if not
14941 general_operand. Similarly use stricter predicate than
14942 "general_operand" when stricter constraints than "g" are present,
14943 except for matching constraints.
14944 (movstrsi): Use "memory_operand" for operands 0 and 1.
14945 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
14946 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
14947 not reg_or_mem_operand.
14948 (udivmoddisi4): Ditto.
14949 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
14950 Use nonimmediate_operand for operand 3, not register_operand.
14951 (udivmoddiqi4_internal): Use register_operand for operand 1, not
14952 reg_or_mem_operand.
14954 2000-01-27 Fred Fish <fnf@be.com>
14956 * gthr-posix.h: Fix typo; compatibily -> compatibility.
14957 * gthr-single.h: Likewise.
14958 * gthr-solaris.h: Likewise.
14959 * gthr-vxworks.h: Likewise.
14960 * gthr-win32.h: Likewise.
14961 * gthr.h: Likewise.
14963 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14965 * cppinit.c: Add " (cpplib)" to end of string printed by
14968 2000-01-27 Richard Henderson <rth@cygnus.com>
14970 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
14971 testing for a signed comparison.
14972 (alpha_emit_floatuns): New.
14973 * alpha-protos.h: Declare it.
14974 * alpha.md (floatunsdisf2, floatunsdidf2): New.
14975 (extendsfdf2): Tidy.
14977 2000-01-27 Jakub Jelinek <jakub@redhat.com>
14979 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
14980 no -g option specifying debugging format, default to -gstabs+.
14982 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14984 * calls.c (special_function_p): New argument fork_or_exec.
14985 (expand_call): When profile_arc_flag is set and the function
14986 is in the fork_or_exec group, call __bb_fork_func first.
14987 * libgcc2.c, _bb module (__bb_fork_func): New function.
14988 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
14990 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
14991 * tree.h (special_function_p): Update prototype.
14993 2000-01-26 Richard Henderson <rth@cygnus.com>
14995 * alpha.c (alpha_split_tfmode_pair): New.
14996 * alpha-protos.h: Declare it.
14997 * alpha.md (abstf2, negtf2): New.
14998 (movtf insn): Add input G constraint.
14999 (movtf splitter): Use alpha_split_tfmode_pair.
15001 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15003 * i386/cygwin.h: PROTO -> PARAMS.
15005 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15007 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15008 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15009 using _Qp_cmp/_Q_cmp and testing the return value.
15010 (print_operand): Call reverse_condition_maybe_unordered if
15011 we are handling CCFPmode or CCFPEmode.
15012 Handle ORDERED, UN* and LTGT comparisons.
15013 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15014 if not TARGET_HARD_QUAD.
15015 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15016 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15017 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15018 Adjust gen_b* calls so that they reflect return comparison of
15019 sparc_emit_float_lib_cmp.
15021 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15023 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15024 incoming operands array is large enough for one more operand.
15025 (alpha_emit_xfloating_arith): Likewise.
15027 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15029 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15030 file with one line and no trailing newline.
15031 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15032 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15033 checking if the match is on the line.
15034 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15036 2000-01-25 Richard Henderson <rth@cygnus.com>
15038 * sparc.c (output_cbranch): Fix accidental squashing of the
15039 fp branch pre-delay nop.
15041 2000-01-25 Richard Henderson <rth@cygnus.com>
15043 * tree.def (UNNE_EXPR): Remove.
15044 * c-typeck.c (build_binary_op): Don't handle it.
15045 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15047 * rtl.def (UNNE): Remove.
15049 * jump.c (reverse_condition): Update accordingly.
15050 (swap_condition): Likewise.
15051 (comparison_dominates_p): Handle unordered comparisons.
15052 (reverse_condition_maybe_unordered): New.
15053 * rtl.h (reverse_condition_maybe_unordered): Declare.
15055 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15056 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15057 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15058 * sparc.md (bltgt): New.
15060 2000-01-25 Nick Clifton <nickc@redhat.com>
15062 * emit-rtl.c (emit_insn): Only check machine class insns for
15063 improper emission of a RETURN.
15065 2000-01-25 Richard Henderson <rth@cygnus.com>
15067 * Makefile.in (flow.o): Depend on $(EXPR_H).
15068 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15069 duplicate the structure of diddle_return_value for keeping regs live.
15071 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15073 * loop.c (current_loop_info): Delete.
15074 (consec_sets_invariant_p): Add loop argument, update callers.
15075 (get_condition_for_loop): Likewise.
15076 (count_nonfixed_reads, update_giv_derive): Likewise.
15077 (simplify_giv_expr, general_induction_var): Likewise.
15078 (consec_sets_giv, recombine_givs): Likewise.
15079 (move_movables): Delete loop_start and loop_end arguments,
15080 add loop argument, and update callers.
15081 (find_mem_givs, check_final_value): Likewise.
15082 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15083 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15085 (basic_induction_var): Add loop argument, delete loop_level argument,
15086 and update callers.
15087 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15088 add loop argument, and update callers.
15089 (find_splittable_regs, find_splittable_givs): Likewise.
15090 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15091 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15092 (biv_total_increment): Delete loop_start and loop_end arguments;
15094 (precondition_loop_p): Delete loop_start and loop_info arguments;
15096 * loop.h (get_condition_for_loop): Add loop argument.
15097 (biv_total_increment): Delete loop_start and loop_end arguments.
15098 (precondition_loop_p): Delete loop_start and loop_info arguments;
15100 (final_biv_value): Delete loop_start and loop_end arguments;
15102 (final_giv_value, back_branch_in_range_p): Likewise.
15104 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15106 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
15108 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15110 * Makefile.in (c-gperf.h) : Change the "See" pointer to
15111 point to the new "generated_files" doc.
15113 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15115 * config/fp-bit.c (_unord_f2): Fix typo.
15117 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15119 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
15120 c-typeck.c, objc/objc-act.c: Remove all references to obstack
15121 functions obsoleted by GC, such as push_obstacks_nochange,
15122 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
15123 and code which existed only to decide whether or not to call
15124 them. Remove now-unused NESTED argument from start_function;
15125 all callers changed. Do not change behavior based on ggc_p.
15126 The use of the ixp_obstack in c-iterate.c and the util_obstack
15127 in objc/objc-act.c remain; these are not obsoleted by garbage
15129 * c-tree.h: Update prototype for start_function.
15131 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
15133 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15135 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
15138 2000-01-25 Richard Henderson <rth@cygnus.com>
15140 * sparc-protos.h (select_cc_mode): Declare.
15141 * sparc.c (select_cc_mode): New. Handle unordered compares.
15142 (output_cbranch): Always reverse via code change. Handle
15143 unordered compares. Factor tests and string updates.
15144 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
15145 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
15146 * sparc.md (bunordered, bordered): New.
15147 (bungt, bunlt, buneq, bunge, bunle): New.
15149 2000-01-25 Richard Henderson <rth@cygnus.com>
15151 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
15152 * ggc-common.c (ggc_add_rtx_varray_root): New.
15153 (ggc_mark_rtx_varray): New.
15154 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
15155 functions down below ggc_mark_foo.
15156 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
15158 2000-01-25 Richard Henderson <rth@cygnus.com>
15160 * alpha.c (secondary_reload_class): Don't allocate a secondary
15161 for integral mode memories into FLOAT_REGS. Rearrange the more
15162 complicated memory expression inward.
15164 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15166 * inclhack.def: Fixes to play nicer with FreeBSD, and
15167 corrections to comments.
15168 (cxx_unready): Add select expression.
15169 (irix_sockaddr): Add bypass expression.
15170 (machine_ansi_h_va_list): New fix.
15171 (stdio_va_list): No need to edit _BSD_VA_LIST_.
15172 Split out addition of "#include <stdarg.h>" to...
15173 (stdio_stdarg_h): ... here.
15174 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
15175 to stdlib.h also. Do not munge _BSD_SIZE_T_.
15176 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
15178 (ultrix_ifdef): Tighten up select expression.
15180 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
15181 re_ct and max_mach to avoid use of shell. Make printed names
15182 match names in inclhack.def. Use static copyright date.
15183 Don't count c_test and test expressions as requiring regex_t
15184 slots. Add some commentary.
15185 * inclhack.tpl: Do not include the 'This script contains N
15186 fixup scripts' line if PROGRAM is defined. Use static
15189 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
15191 * dwarf2out.c: include "varray.h", not dyn-string.h.
15192 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
15193 (addr_const_to_string, addr_to_string): Lose.
15194 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
15195 (struct dw_val_struct): val_addr is now an rtx.
15196 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
15197 (used_rtx_varray): New varray.
15198 (dwarf2out_init): Initialize it.
15199 (save_rtx): New fn.
15200 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
15202 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
15203 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
15204 * Makefile.in (dwarf2out.o): Update dependencies.
15206 2000-01-24 Richard Henderson <rth@cygnus.com>
15208 * i386.c (i386_dwarf_output_addr_const): New.
15209 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
15211 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
15213 * dwarfout.c (output_mem_loc_descriptor): Likewise.
15214 * i386.c (i386_simplify_dwarf_addr): New.
15215 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
15217 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
15219 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
15220 TYPE_STUB_DECL is NULL.
15222 2000-01-24 Richard Henderson <rth@cygnus.com>
15224 * builtins.c (expand_tree_builtin): Move ...
15225 * c-common.c (expand_tree_builtin): ... here.
15227 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15229 * loop.h (LOOP_INFO): New accessor macro.
15230 * basic-block.h (struct loop): Rename field `info' to `aux'.
15231 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
15232 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
15233 * unroll.c (loop_iterations, unroll_loop): Likewise.
15235 2000-01-24 Christopher Faylor <cgf@cygnus.com>
15237 * config/i386/t-cygwin: Accomodate new winsup directory layout
15238 when searching for include files.
15240 2000-01-24 Richard Henderson <rth@cygnus.com>
15242 * rtl.def: Add unordered fp comparisions.
15243 * tree.def: Likewise.
15244 * tree.h: Add ISO C 9x unordered fp comparision builtins.
15246 * builtins.c (expand_tree_builtin): New function.
15247 * c-typeck.c (build_function_call): Use it.
15248 (build_binary_op): Support unordered compares.
15249 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
15251 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
15252 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
15253 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
15254 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
15255 * jump.c (reverse_condition): Don't abort for UNLE etc, but
15257 (swap_condition): Handle unordered compares.
15258 (thread_jumps): Check can_reverse before reversing.
15259 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
15262 * optabs.c (can_compare_p): New argument CODE. Verify branch or
15263 setcc is present before acking for cmp_optab. Update all callers.
15264 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
15265 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
15266 * expr.c (expand_expr): Likewise. Support unordered compares.
15267 (do_jump, do_store_flag): Likewise.
15268 * expr.h (enum libfunc_index): Add unordered compares.
15270 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
15271 (DPBIT_FUNCS): Add _unord_df.
15272 * config/fp-bit.c (_unord_f2): New.
15273 * fp-test.c (main): Try unordered compare builtins.
15275 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
15276 * alpha.c (alpha_comparison_operator): Check mode properly.
15277 (alpha_swapped_comparison_operator): Likewise.
15278 (signed_comparison_operator): Likewise.
15279 (alpha_fp_comparison_operator): New.
15280 (alpha_emit_conditional_branch): Handle unordered compares.
15281 * alpha.h (PREDICATE_CODES): Update.
15282 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
15283 (bunordered, bordered): New.
15285 2000-01-24 Richard Henderson <rth@cygnus.com>
15287 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
15288 * alpha.md (movtf): New expander, insn, and splitter.
15290 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
15292 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15295 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
15297 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
15298 (FIXED_REGISTERS, CALL_USED_REGISTERS,
15299 REG_ALLOC_ORDER): Add frame pointer
15300 (FRAME_POINTER_REGNUM): Set to 20
15301 (HARD_FRAME_POINTER_REGNUM): New macro.
15302 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
15303 to HARD_FRAME_POINTER.
15304 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
15305 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
15306 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
15307 (HI_REGISTER_NAMES): Add "frame".
15308 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
15309 (debug_reg): Handle FRAME_POINTER_REGNUM.
15310 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
15311 GENERAL_REGS and INDEX_REGS.
15312 * i386.c (SAVED_REGS_FIRST): new macro.
15313 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
15314 (ix86_decompose_address, memory_address_length): Likewise.
15315 (regclass_map): Add frame pointer.
15316 (call_insn_operand): Handle frame_pointer_rtx.
15317 (reg_no_sp_operand): Likewise.
15318 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
15319 (print_operand, legitimize_pic_address): Fix formating.
15320 (ix86_compute_frame_size): Make static, update prototype, new
15321 parameters padding1, padding2, use ix86_nsaved_regs, use
15322 stack_alignment_needed.
15323 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
15324 to HARD_FRAME_POINTER_REGNUM conversions.
15325 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
15326 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
15327 (print_reg): Abort on FRAME_POINTER_REGNUM
15329 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
15331 * i386.h (PREDICATE_CODES): Add aligned_operand.
15332 * i386.c (aligned_operand): New function.
15333 (ix86_aligned_p): Kill.
15334 * i386.md (movhi_1): Emit mov for aligned operands.
15335 (promoting peep2s): Use aligned_operand.
15337 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
15339 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
15340 expression to allow underscores in macro names.
15341 (fix_char_macro_defines): Increment scanning pointer.
15343 2000-01-23 Richard Henderson <rth@cygnus.com>
15345 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
15346 * alpha/osf5.h: New file.
15347 * configure.in (alpha-*-osf5): Add it to tm_file.
15349 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
15351 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
15352 (alpha_emit_xfloating_cvt, function_arg): Declare.
15353 * alpha.c (alpha_emit_conditional_branch): Call
15354 alpha_emit_xfloating_compare for TFmode compares.
15355 (alpha_lookup_xfloating_lib_func): New.
15356 (alpha_compute_xfloating_mode_arg): New.
15357 (alpha_emit_xfloating_libcall): New.
15358 (alpha_emit_xfloating_arith): New.
15359 (alpha_emit_xfloating_compare): New.
15360 (alpha_emit_xfloating_cvt): New.
15361 (print_operand): Add default abort case.
15362 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
15363 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
15364 (BIGGEST_ALIGNMENT): Increase to 128 bits.
15365 (RETURN_IN_MEMORY): True for TF/TCmode.
15366 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
15367 (FUNCTION_ARG): Move to function_arg.
15368 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
15369 (ASM_OUTPUT_LONG_DOUBLE): New.
15370 (ASM_OUTPUT_DOUBLE): Always output bits.
15371 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
15372 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
15373 (extenddftf2, trunctfdf2): New.
15375 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15377 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
15378 * config/sparc/sol2.h: ... here.
15380 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15382 * basic-block.h (struct loops): New field `levels'.
15383 * flow.c (flow_loops_level_compute): Traverse all outer loops.
15384 (flow_loop_level_compute): Initialise level to 1.
15385 (flow_loops_find): Set loops->levels.
15386 (flow_loops_dump): Print loops->levels.
15388 2000-01-23 Richard Henderson <rth@cygnus.com>
15390 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
15391 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
15393 2000-01-23 Richard Henderson <rth@cygnus.com>
15395 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
15396 * i386.h (DBX_REGISTER_NUMBER): Use them.
15397 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
15398 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
15399 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
15400 * i386/sequent.h: Kill incorrect comment.
15402 2000-01-23 Mark Mitchell <mark@codesourcery.com>
15404 * ggc-page.c (struct page_entry): Make `context_depth' an
15406 (struct globals): Likewise.
15408 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
15410 * loop.c (check_dbra_loop): When checking a loop for
15411 reversability, check the source of any stores to ensure
15412 they don't depend on an initial value.
15414 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15416 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
15418 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
15420 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
15421 'pz_scan' into scope of entire function. Only affects
15422 compiles with -DDEBUG.
15424 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
15426 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
15427 section naming to that prior to 2000-01-07 patch.
15428 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
15429 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
15430 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
15431 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
15432 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
15434 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
15436 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
15439 2000-01-21 Jim Wilson <wilson@cygnus.com>
15441 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
15442 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
15444 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15446 * cpphash.c (change_newlines): Delete function.
15447 (struct argdata): Delete 'newlines' and 'use_count' fields.
15448 (macroexpand): Remove code referencing those fields.
15450 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15452 * loop.c (loops_info): New variable.
15453 (loop_optimize): Allocate loops->array and free it on exit.
15454 Allocate memory for loops_info and assign to each loop,
15456 (find_and_verify_loops): Do not allocate loops->array.
15458 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15460 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
15462 2000-01-21 Jakub Jelinek <jakub@redhat.com>
15464 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
15465 pseudos if expanded after first flow.
15466 (movdi_pic_label_ref): Likewise.
15468 2000-01-20 Richard Henderson <rth@cygnus.com>
15470 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
15472 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
15474 * Makefile.in (fixinc.sh): Depend on specs.
15475 * fixinc/Makefile.in: Add rule to create machname.h.
15476 (fixlib.o): Depend on machname.h.
15477 * fixinc/fixtests.c (machine_name): New test.
15478 * fixinc/fixfixes.c (machine_name): New fix.
15479 * fixinc/fixlib.c (mn_get_regexps): New helper function for
15480 the machine_name test and fix.
15481 * fixinc/fixlib.h: Prototype it.
15482 * fixinc/inclhack.def (machine_name): Use the C test and fix.
15483 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
15485 * gcc.c (do_spec_1) [case P]: Take care not to create
15486 identifiers with three leading or trailing underscores.
15488 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
15489 (fixincl): Don't specify libraries twice on link line.
15490 (gnu-regex.o): Remove special rule.
15491 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
15492 defined by config.h. Do not define _REGEX_RE_COMP.
15493 (regcomp): Allocate and initialize a fastmap.
15494 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
15496 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
15498 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
15500 2000-01-19 Richard Henderson <rth@cygnus.com>
15502 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
15503 arguments with BB. Update all callers. Tidy line wrapping.
15505 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
15507 * emit-rtl.c (try_split): Return last_insn if we split the
15510 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
15512 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
15513 (ix86_initial_elimination_offset): Declare.
15514 * i386.c (ix86_nsaved_regs): Break out from ...
15515 (ix86_can_use_return_insn_p): ... here.
15516 (ix86_emit_save_regs): Break out from ...
15517 (ix86_expand_prologue): ... here.
15518 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
15520 (ix86_expand_epilogue): ... here.
15521 (ix86_compute_frame_size): Make static, add prototype.
15522 (ix86_initial_elimination_offset): Break out from ...
15523 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
15525 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15527 * recog.h (OUT_FCN): Delete.
15529 * vax.md: Call `get_insn_template' instead of OUT_FCN.
15531 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15533 * cppalloc.c: PROTO -> PARAMS.
15534 * cpperror.c: Likewise.
15535 * cppfiles.c: Likewise.
15536 * cpplib.c: Likewise.
15537 * cpplib.h: Likewise.
15539 * config/arm/arm-protos.h: PROTO -> PARAMS.
15540 * config/arm/arm.c: Likewise.
15541 * config/c4x/c4x.c: Likewise.
15542 * config/fr30/fr30-protos.h: Likewise.
15543 * config/nextstep.c: Likewise.
15544 * config/pa/pa.c: Likewise.
15545 * config/pj/pj.c: Likewise.
15546 * config/rs6000/rs6000.c: Likewise.
15547 * config/v850/v850-protos.h: Likewise.
15548 * config/v850/v850.c: Likewise.
15550 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15552 * i370-protos.h: New file.
15554 * i370.c: Include tm_p.h. Fix compile time warnings.
15556 * i370.h: Move prototypes to i370-protos.h. Fix compile time
15559 * i370.md: Likewise.
15561 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15563 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
15564 (target_isinf, target_isnan, eisnan): Mark parameter with
15566 (eiisinf): Wrap in INFINITY.
15567 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
15568 (ibmtoe): Remove unused variable `rndsav'.
15570 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15572 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
15573 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
15575 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
15577 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
15578 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
15579 (fix_char_macro_defines, fix_char_macro_uses): New functions.
15581 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
15582 Recognize Emacs mode markers also.
15583 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
15584 C++ comments in C++ headers. Call is_cxx_header only if
15587 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
15588 bypass for ncurses.
15589 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
15590 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
15591 ... these, which use the new C fixes.
15592 (math_exception): Escape literal '+' in bypass expression.
15594 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
15597 2000-01-19 Geoff Keating <geoffk@cygnus.com>
15599 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
15602 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15604 * loop.c (loop_optimize): Allocate loop_info structure for each loop
15605 prior to calling scan_loop.
15607 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15609 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
15610 (split_branches, calc_live_regs): Likewise.
15612 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15614 * sh.md (fpu_single, fp_mode): New attributes.
15616 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15618 * loop.c (current_loop_info): Renamed from loop_info_data
15619 and changed to a pointer.
15620 (loop_optimize): Allocate loop_info structure for each loop
15621 and initialise to zero.
15622 (scan_loop): Set current_loop_info.
15624 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
15627 2000-01-19 Richard Henderson <rth@cygnus.com>
15629 * stupid.c: Die die die.
15630 * Makefile.in (OBJS): Remove stupid.o.
15631 (stupid.o): Likewise.
15633 * except.c (emit_eh_context): Don't emit USEs for stupid.
15634 * explow.c (probe_stack_range): Likewise.
15635 * flags.h (obey_regdecls): Remove.
15636 * flow.c (find_basic_blocks): Don't run try_merge_blocks
15637 when not optimizing.
15638 (life_analysis): Limit data collection when not optimizing.
15639 (mark_regs_live_at_end): Always mark the return value registers.
15640 (mark_used_regs): Remove dummy RETURN case.
15641 (print_rtl_with_bb): Don't consult obey_regdecls.
15642 * function.c (use_variable, use_variable_after): Remove.
15643 (assign_parms): Consult optimize not obey_regdecls.
15644 (expand_function_start): Don't emit USEs for stupid.
15645 (expand_function_end): Likewise.
15646 * global.c (build_insn_chain): Export.
15647 * integrate.c (expand_inline_function): Kill return-value USE
15649 * jump.c (jump_optimize_1): Do simple jump optimizations and
15650 dead code elimination.
15651 (calculate_can_reach_end): Remove check_deleted argument.
15652 (delete_insn): Patch out insns even when not optimizing.
15653 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
15654 * rtl.h (use_variable, use_variable_after): Remove declarations.
15655 (build_insn_chain): Declare.
15656 * stmt.c (expand_value_return): Don't emit USEs for stupid.
15657 (expand_end_bindings): Likewise.
15658 (expand_decl): Likewise. Consult optimize not obey_regdecls.
15659 * toplev.c (obey_regdecls): Remove.
15660 (rest_of_compilation): Don't set it. Kill stupid in favour of
15661 flow1, local-alloc, and reload.
15662 (main): Don't set obey_regdecls.
15664 * config/nextstep.c (handle_pragma): Likewise.
15666 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
15668 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
15670 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15672 * alpha-protos.h: PROTO -> PARAMS.
15673 * alpha.c: Likewise.
15675 * h8300.c: Likewise.
15676 * i386-protos.h: Likewise.
15677 * i386.c: Likewise.
15678 * m32r-protos.h: Likewise.
15679 * m32r.c: Likewise.
15680 * mips.c: Likewise.
15681 * mips.md: Likewise.
15682 * gmon-sol2.c: Likewise.
15683 * sparc.c: Likewise.
15685 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15687 * ns32k-protos.h: New file.
15689 * ns32k.c: Fix compile time warnings.
15691 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
15694 * ns32k.md: Likewise.
15696 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15698 * vax-protos.h: New file.
15700 * vax.c: Fix compile time warnings.
15702 * vax.h: Move prototypes to vax-protos.h. Fix compile time
15705 * vax.md: Likewise.
15707 * vaxv.md: Likewise.
15709 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15711 * romp-protos.h: New file.
15713 * romp.c: Fix compile time warnings.
15715 * romp.h: Move prototypes to romp-protos.h. Fix compile time
15718 * romp.md: Likewise.
15720 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15722 * we32k-protos.h: New file.
15724 * we32k.c: Fix compile time warnings.
15726 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
15729 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15731 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
15733 * except.c (eh_regs): Likewise.
15735 * final.c (output_operand): Likewise.
15737 * fold-const.c (target_isinf, target_isnan): Likewise.
15739 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15741 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
15742 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
15744 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
15745 when optimize_size.
15746 (clrstrsi): Rewrite.
15747 (strsethi, strsetqi): New expanders.
15748 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
15749 (cmpstrsi): Emit compare insn before cmpstrsi_1
15750 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
15751 (strlensi_1): Likewise.
15752 (cmpstrsi_1): Likewise; do not output compare.
15753 (strlen expander): Do not unroll when optimizing for size.
15754 (*subsi3_carry): Rename to subsi3_carry
15755 (addqi3_cc): New pattern.
15756 * i386.h (processor_costs): Add move_ratio field.
15757 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
15758 * i386.c (*_cost): Set move_ratio.
15759 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
15760 (x86_expand_strlensi_1): Rewrite the main loop.
15762 2000-01-17 Richard Henderson <rth@cygnus.com>
15764 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
15765 * cse.c (find_comparison_args, fold_rtx): Likewise.
15766 * integrate.c (subst_constants): Likewise.
15767 * loop.c (get_condition): Likewise.
15769 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
15771 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
15773 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15775 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
15776 (RESTORE_WARN_FLAGS): Unpack it.
15777 Change semantic type of extension to ttype.
15778 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15779 * c-parse.y, c-parse.c, objc/objc-parse.y,
15780 objc/objc-parse.c: Regenerate.
15782 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
15784 * fixinc/fixlib.c: Add copyright notice.
15785 (compile_re): New function.
15786 * fixinc/fixlib.h: Prototype compile_re.
15788 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15789 Use compile_re to compile regular expressions.
15791 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15792 where the pattern matched.
15794 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15796 (ultrix_ansi_compat): Likewise.
15797 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15799 (interactv_add2, interactv_add3): Delete.
15800 (x11_sprintf): Don't use filename glob.
15801 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15804 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15806 * print-rtl.c: PROTO -> PARAMS.
15807 * real.c: Likewise.
15808 * reg-stack.c: Likewise.
15809 * resource.c: Likewise.
15810 * sdbout.h: Likewise.
15811 * simplify-rtx.c: Likewise.
15812 * stor-layout.c: Likewise.
15813 * stupid.c: Likewise.
15814 * xcoffout.c: Likewise.
15815 * xcoffout.h: Likewise.
15817 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15819 * toplev.c: PROTO -> PARAMS.
15820 * toplev.h: Likewise.
15821 * tree.c: Likewise.
15822 * tree.h: Likewise.
15823 * unroll.c: Likewise.
15824 * varasm.c: Likewise.
15825 * varray.c: Likewise.
15826 * varray.h: Likewise.
15828 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15830 * reload.c: PROTO -> PARAMS.
15831 * reload.h: Likewise.
15832 * reload1.c: Likewise.
15833 * reorg.c: Likewise.
15834 * resource.h: Likewise.
15837 * rtlanal.c: Likewise.
15838 * sbitmap.h: Likewise.
15839 * sdbout.c: Likewise.
15840 * stack.h: Likewise.
15841 * stmt.c: Likewise.
15842 * system.h: Likewise.
15844 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15846 * machmode.h: PROTO -> PARAMS.
15847 * mbchar.h: Likewise.
15848 * mips-tdump.c: Likewise.
15849 * mips-tfile.c: Likewise.
15850 * optabs.c: Likewise.
15851 * output.h: Likewise.
15852 * prefix.c: Likewise.
15853 * profile.c: Likewise.
15854 * protoize.c: Likewise.
15855 * real.h: Likewise.
15856 * recog.c: Likewise.
15857 * recog.h: Likewise.
15858 * regclass.c: Likewise.
15859 * regmove.c: Likewise.
15860 * regs.h: Likewise.
15862 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15864 * ggc-common.c: PROTO -> PARAMS.
15865 * ggc-page.c: Likewise.
15866 * ggc-simple.c: Likewise.
15868 * global.c: Likewise.
15869 * graph.c: Likewise.
15870 * gthr-win32.h: Likewise.
15871 * haifa-sched.c: Likewise.
15872 * halfpic.h: Likewise.
15873 * integrate.c: Likewise.
15874 * integrate.h: Likewise.
15875 * jump.c: Likewise.
15877 * local-alloc.c: Likewise.
15878 * loop.c: Likewise.
15879 * loop.h: Likewise.
15881 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15883 * genattr.c: PROTO -> PARAMS.
15884 * genattrtab.c: Likewise.
15885 * gencheck.c: Likewise.
15886 * gencodes.c: Likewise.
15887 * genconfig.c: Likewise.
15888 * genemit.c: Likewise.
15889 * genextract.c: Likewise.
15890 * genflags.c: Likewise.
15891 * gengenrtl.c: Likewise.
15892 * genopinit.c: Likewise.
15893 * genoutput.c: Likewise.
15894 * genpeep.c: Likewise.
15895 * genrecog.c: Likewise.
15897 2000-01-16 Mark Mitchell <mark@codesourcery.com>
15899 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
15901 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15903 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15904 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15905 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15906 * configure, config.in: Rebuilt.
15908 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
15910 * config/i386/i386.md: Add peephole to merge successive stack
15913 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
15915 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15916 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
15917 when walking backwards to find all the parameter loads when
15918 the basic block ends in a call.
15920 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15922 * loop.c (this_loop_info): Delete.
15923 (uid_loop): Add in place of uid_loop_num. All uses updated.
15924 (loop_number_exit_count): Delete and replace with entry in loop
15925 structure. All uses updated.
15926 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15927 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15928 (loop_outer_loop): Likewise.
15929 (loop_invalid, loop_number_exit_labels): Likewise.
15930 (loop_used_count_register): Delete and replace with entry in
15931 loop_info structure.
15932 (find_and_verify_loops): Add loops argument.
15933 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
15934 loop_end, etc. arguments with loop structure pointer. All callers
15936 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
15937 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
15938 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
15939 (insert_bct): Likewise.
15940 (basic_induction_var): New argument level.
15941 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
15942 vtop, and cont. Add used_count_register.
15943 (uid_loop): Delete declaration.
15944 (loop_number_exit_count): Likewise.
15945 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15946 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15947 (loop_outer_loop, loop_used_count_register): Likewise.
15948 (loop_invalid, loop_number_exit_labels): Likewise.
15949 (unroll_loop): Replace loop_start and loop_end arguments
15950 with loop structure pointer.
15951 (loop_precondition_p, loop_iterations): Likewise.
15952 Include basic-block.h.
15953 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
15954 with loop structure pointer.
15955 (loop_precondition_p, loop_iterations): Likewise.
15956 * basic-block.h (struct loop): New entries vtop, cont,
15957 cont_dominator, start, end, top, scan_start, exit_labels,
15959 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
15961 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15963 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
15965 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
15967 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
15969 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15971 * pdp11-protos.h: New file.
15973 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
15976 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
15979 * pdp11.md: Likewise.
15981 * 2bsd.h: Likewise.
15983 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15985 * mn10300-protos.h: New file.
15987 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
15990 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
15993 * mn10300.md: Likewise.
15995 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15997 * mn10200-protos.h: New file.
15999 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16002 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16005 * mn10200.md: Likewise.
16007 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16009 * h8300-protos.h: New file.
16011 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16014 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16017 * h8300.md: Likewise.
16019 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16021 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16022 (asm_emit_uninitialised): Likewise.
16024 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16026 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16027 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16029 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16031 * config/mips/mips.c (override_options): Don't turn on extra
16032 alignment for mips16.
16034 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16036 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16037 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16040 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16042 * builtins.c (PAD_VARARGS_DOWN): Define.
16043 (std_expand_builtin_va_arg): Use the above macro.
16044 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16045 * tm.texi (Register Arguments): Document the above macro.
16047 2000-01-14 Nick Clifton <nickc@cygnus.com>
16049 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16050 that this function has not been used to emit a jump
16053 * jump.c (return_jump_1): Cope with being passed a null rtx.
16055 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16057 * eh-common.h: PROTO -> PARAMS.
16058 * emit-rtl.c: Likewise.
16059 * errors.c: Likewise.
16060 * errors.h: Likewise.
16061 * except.c: Likewise.
16062 * except.h: Likewise.
16063 * explow.c: Likewise.
16064 * expmed.c: Likewise.
16065 * expr.c: Likewise.
16066 * expr.h: Likewise.
16067 * final.c: Likewise.
16068 * fix-header.c: Likewise.
16069 * flow.c: Likewise.
16070 * fold-const.c: Likewise.
16071 * function.c: Likewise.
16072 * function.h: Likewise.
16074 * gcov-io.h: Likewise.
16075 * gcov.c: Likewise.
16076 * gcse.c: Likewise.
16078 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16080 * sh-protos.h: New file.
16082 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16083 Add static prototypes. Fix compile time warnings.
16085 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16089 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16091 * arc-protos.h: New file.
16093 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16096 * arc.h: Move prototypes to arc-protos.h. Fix compile time
16099 * arc.md: Likewise.
16101 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16103 * dsp16xx-protos.h: New file.
16105 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
16108 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
16111 * dsp16xx.md: Likewise.
16113 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16115 * convex-protos.h: New file.
16117 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
16120 * convex.h: Move prototypes to convex-protos.h. Fix compile time
16123 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16125 * elxsi-protos.h: New file.
16127 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
16130 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
16133 * elxsi.md: Likewise.
16135 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16137 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
16138 case for moving from HI/LO/HI_LO_REG. This makes the behavior
16139 match the comment for MIPS16.
16141 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
16143 * flow.c (split_edge): Do not call set_block_for_insn if we
16144 do not have a basic_block_for_insn structure.
16146 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
16147 and destination functions are 32bit aligned within the trampoline.
16148 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
16149 (TRAMPOLINE_ALIGNMENT): Define.
16151 * cse.c (cse_insn): When changing (set (pc) (reg)) to
16152 (set (pc) (label_ref)), verify the change creates a valid insn.
16154 * fr30.c (call_operand): Tighten and rework to match rules for
16155 call RTL expressions.
16156 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
16157 * fr30.md (call patterns): Improve constraints.
16159 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
16161 * fr30.c (fr30_expand_epilogue): Revert last change.
16162 Use emit_jump_insn for the return insn.
16164 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
16165 Stan Cox <scox@cygnus.com>
16167 * predict.c: New file. Preliminary infrastructure work for static
16168 branch prediction and basic block reordering.
16169 * basic-block.h: Add prototype for estimate_probability.
16170 * Makefile.in: Add rules for predict.o.
16172 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
16174 * fixincludes (va_list): Use __not_va_list__ for the dummy.
16175 * fixinc/*: Likewise.
16177 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16179 * cccp.c: PROTO -> PARAMS.
16180 * cexp.y: Likewise.
16181 * collect2.c: Likewise.
16182 * combine.c: Likewise.
16183 * convert.h: Likewise.
16185 * dbxout.c: Likewise.
16186 * dbxout.h: Likewise.
16187 * diagnostic.c: Likewise.
16188 * doprint.c: Likewise.
16189 * dwarf2out.c: Likewise.
16190 * dwarf2out.h: Likewise.
16191 * dwarfout.c: Likewise.
16192 * dwarfout.h: Likewise.
16193 * dyn-string.h: Likewise.
16195 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16197 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
16198 macro conditionals guarding use.
16200 * dwarf2out.c: Include "tm_p.h".
16202 * function.c (locate_and_pad_parm): Mark parameter with
16204 (expand_function_end): Likewise for variable `context'.
16206 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
16208 2000-01-13 Nick Clifton <nickc@cygnus.com>
16210 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
16211 register to prevent compile time warnings.
16213 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
16215 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
16216 to avoid -Wtraditional warning.
16218 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16220 * 1750a-protos.h: New file.
16222 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
16225 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
16228 * 1750a.md: Likewise.
16230 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16232 * a29k-protos.h: New file.
16234 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
16237 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
16240 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16242 * clipper-protos.h: New file.
16244 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
16247 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
16250 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16252 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
16254 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
16256 * configure.in (--enable-new-gxx-abi): New option.
16257 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
16258 * Makefile.in (GXX_ABI_FLAG): New variable.
16259 * configure: Regenerate.
16261 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16263 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
16264 * tm.texi (FORCE_STRUCT_BLK): Document.
16265 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
16267 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
16269 * config/ns32k/ns32k.md: Revert Jan 9 change.
16271 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
16272 to a mode-test, if the predicate is address_operand.
16274 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
16276 * combine.c (if_then_else_cond): Be careful about what kinds
16277 of RTL expressions are passed to operand_subword.
16279 * flow.c (split_edge): If we have to insert a new jump, make
16280 sure to associate it with a basic block.
16282 * flow.c (commit_one_edge_insertion): A block with one successor
16283 can end in a JUMP_INSN that is not a simplejump.
16285 2000-01-12 Robert Lipe <robertl@sco.com>
16287 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
16288 (BUILD_VA_LIST_TYPE): Define.
16289 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
16292 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
16294 * cccp.c (do_pragma): Add cast to (char *).
16296 2000-01-12 Richard Henderson <rth@cygnus.com>
16297 Fred Fish <fnf@be.com>
16298 Jason Merrill <jason@cygnus.com>
16300 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
16301 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
16302 * i386/beos-elf.h, i386/beos-pe.h: New files.
16304 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
16305 * cross-make (SYSTEM_HEADER_DIR): Define using
16306 CROSS_SYSTEM_HEADER_DIR.
16308 * gcc.c (LIBRARY_PATH_ENV): Provide default.
16309 (process_command): Use it.
16310 (main): Likewise. Kill trailing = from env vars.
16311 (build_search_list): Put it back.
16312 * collect2.c (main): Use LIBRARY_PATH_ENV.
16314 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
16315 * toplev.c: Use NEED_DECLARATION_ENVIRON.
16317 * tm.texi (Frame Layout): Document SMALL_STACK.
16318 * c-common.c (c_common_nodes_and_builtins): Check it.
16320 * system.h: Undef alloca after including glibc's <stdlib.h>,
16321 if USE_C_ALLOCA is defined.
16323 * gcc.c (set_input): New fn.
16324 (main): After all input files are compiled, reset the input file
16327 * aclocal.m4 (rindex, index): If already defined, don't attempt
16330 * ginclude/varargs.h: (__va_list__): Define ifndef.
16331 * ginclude/stdarg.h: Likewise.
16333 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
16334 instead of unsigned char.
16336 * hash.h (true, false, boolean): Undef before enum.
16338 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
16339 proper type of "HOST_WIDE_INT *", rather than their natural type of
16340 "unsigned HOST_WIDE_INT *".
16342 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16344 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
16346 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
16348 * regclass.c (choose_hard_reg_mode): Likewise.
16350 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
16352 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
16354 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16356 * c-common.c: PROTO -> PARAMS.
16357 * c-common.h: Likewise.
16358 * c-decl.c: Likewise.
16359 * c-iterate.c: Likewise.
16360 * c-lang.c: Likewise.
16361 * c-lex.c: Likewise.
16362 * c-lex.h: Likewise.
16363 * c-parse.in: Likewise.
16364 * c-pragma.c: Likewise.
16365 * c-pragma.h: Likewise.
16366 * c-tree.h: Likewise.
16367 * c-typeck.c: Likewise.
16368 * objc/objc-act.c: Likewise.
16369 * objc/objc-act.h: Likewise.
16371 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16373 * m88k-protos.h: New file.
16375 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
16378 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
16380 * m88k.md: Likewise.
16382 * tekXD88.h: Likewise.
16384 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16386 * m68k-protos.h: New file.
16388 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
16391 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
16393 * mot3300.h: Likewise.
16395 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
16397 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
16399 (extract_bitlist): Declare bitlen.
16401 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
16403 * cccp.c: Accept and ignore -lang-fortran.
16405 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
16406 qualifiers don't match at any level of pointerness.
16408 2000-01-12 Robert Lipe <robertl@sco.com>
16410 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
16412 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
16414 * reload1.c (reload_reg_unavailable): New static variable.
16415 (reload_reg_free_p): Test it.
16416 (reload_reg_free_for_value_p): Test it instead of
16418 (choose_reload_regs_init): Compute it.
16420 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
16422 * reorg.c (fill_slots_from_thread): Check modified_in_p
16425 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
16427 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
16428 these nodes even if INTERNALS is not set.
16430 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
16432 * gcse.c (delete_null_pointer_checks_1): Cope when
16433 get_condition cannot determine the condition.
16435 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
16437 * toplev.h (set_message_length): Declare.
16439 * diagnostic.c (obstack_chunk_alloc): Define macro.
16440 (obstack_chunk_free): Likewise.
16441 (struct output_buffer): New data structure.
16442 (vmessage): Remove.
16443 (output_maximum_width): New variable.
16444 (doing_line_wrapping, set_message_length, init_output_buffer,
16445 get_output_prefix, output_space_left, emit_output_prefix,
16446 output_newline, output_append, output_puts, dump_output,
16447 vbuild_message_string, build_message_string, build_location_prefix,
16448 voutput_notice, output_printf, line_wrapper_printf,
16449 vline_wrapper_message_with_location): New functions. Implement
16450 automatic line wrapping.
16451 (v_message_with_decl): Make it handle automatic line wrapping.
16452 (v_error_with_file_and_line): Likewise.
16453 (v_warning_with_file_and_line): Likewise.
16454 (announce_function): Likewise.
16455 (default_print_error_function): Likewise.
16457 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
16459 * cpplib.h (struct cpp_options): Change lang_asm to char.
16461 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
16462 done in cpp_handle_option now.
16463 (initialize_builtins): Take out special case code used only by
16465 (cpp_handle_option): Turn off trigraphs and trigraph warnings
16466 if -traditional. Recognize -lang-fortran and set
16467 lang_fortran, also turn off cplusplus_comments.
16468 (print_help): Document -lang-fortran.
16469 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
16470 lang_asm. Ignore all directives other than `# 123 "file"' if
16472 (cpp_get_token): If -traditional, don't recognize directives
16473 unless the # is in column 1.
16474 (parse_string): If lang_fortran or lang_asm, silently
16475 terminate strings ('' or "") at end of line.
16476 Remove unnecessary braces.
16478 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16479 Richard Henderson <rth@cygnus.com>
16481 * resource.c (mark_referenced_resources): Mark a set strict_low_part
16483 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
16484 strict_low_part when possible.
16486 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16488 * alias.c: PROTO -> PARAMS.
16489 * basic-block.h: Likewise.
16490 * bitmap.c: Likewise.
16491 * bitmap.h: Likewise.
16492 * builtins.c: Likewise.
16493 * c-aux-info.c: Likewise.
16494 * caller-save.c: Likewise.
16495 * calls.c: Likewise.
16497 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16499 * Makefile.in (toplev.o): Depend on regs.h.
16501 * output.h (tdesc_section): Prototype.
16503 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
16505 * sdbout.c: Include "tm_p.h".
16507 * toplev.c: Include "regs.h".
16509 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
16511 * unroll.c (unroll_loop): Add EH support.
16513 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16515 * pa-protos.h: New file.
16517 * pa.c: Include recog.h and tm_p.h.
16518 (compute_zdepwi_operands, compute_movstrsi_length,
16519 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
16520 find_addr_reg, import_milli): Add static prototypes.
16521 (pa_cpu_string, pa_arch_string): Constify a char*.
16522 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
16523 (read_only_operand): Add argument `mode'.
16524 (singlemove_string, output_move_double, output_fp_move_double,
16525 output_block_move, output_and, output_ior, output_ascii,
16526 remove_useless_addtr_insns, milli_names, output_mul_insn,
16527 output_div_insn, output_mod_insn, output_arg_descriptor,
16528 output_cbranch, output_bb, output_bvb, output_dbra, ,
16529 output_millicode_call, output_call, hppa_encode_label,
16530 output_parallel_movb, output_parallel_addb): Constify a char*.
16531 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
16532 (output_parallel_addb): Remove extra arg to `constrain_operands'
16534 * pa.h: Move all prototypes to pa-protos.h.
16535 (pa_cpu_string, pa_arch_string): Constify a char*.
16536 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
16538 * pa.md: Call `function_label_operand' with mode argument.
16539 Likewise for `read_only_operand'.
16540 Fix nesting of parens in call to `symbolic_operand'.
16542 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16544 * i860-protos.h: New file.
16546 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
16549 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
16551 * i860.md: Likewise.
16553 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
16555 * i386.md (movstrsi expander): Rewrite.
16556 (movstrsi_1 insn): Deleted.
16557 (strmovhi, strmovqi expander): New expanders.
16558 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
16559 * i386.c (x86_single_stringop): New global variable.
16560 * i386.h (x86_single_stringop): Declare.
16561 (TARGET_SINGLE_STRINGOP): New macro.
16563 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16565 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
16566 integer vararg POSTINCREMENT before the destination of the jump
16567 for the hard fp case.
16568 (function_arg_pass_by_reference): Pass a copy of CUM to
16571 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
16572 for CONSTANT_ADDRESS_P above while loop for subreg.
16574 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16576 * flow.c (propagate_block): When a prologue/epilogue insn
16577 is marked dead, unconditionally clear libcall_is_dead and
16578 insn_is_dead, and only dump rtl if warnings aren't being
16581 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
16583 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
16584 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
16585 (FIXED_REGISTERS): Set dirflag as fixed.
16586 (CALL_USED_REGISTERS): Set dirflag as used.
16587 (REG_ALLOC_ORDER): Set dirflag as last one.
16588 (DIRFLAG_REG): New macro.
16589 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
16590 (HI_REGISTER_NAMES): Add dirflag.
16591 (DEBUF_PRINT_REG): Handle dirflag.
16592 * i386.md (type attribute): New cld and str types.
16593 (length_opcode attribute): Set cld and str to 1.
16594 (memory attribute): Set str to unknown - it is not clear from the
16596 (pent_np function unit): Prefixed string operations takes 12 cycles
16597 minimally; cld takes 2 cycles.
16598 (ppro_uops attribute): Str is "many" and cld is "few".
16599 (ppro_p0 unit): Handle cld here.
16600 (k6_alux unit): Handle cld and str types.
16601 (k6_load unit): It is ocupied by str opcodes.
16602 (k6_store unit): It is ocupied by str opcodes.
16603 (athlon_decode): Str is vector decoded.
16604 (athlon_ieu): Handle str and cld.
16605 (cld pattern): New.
16606 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
16607 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
16608 cmpstrsi_nz_1 insn): Do not output cld instruction
16610 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
16612 * gcc.texi (G++ and GCC): Add Java and Chill.
16613 (Bug Critera): Don't list languages.
16615 * gcc.texi (Incompatibilities): No longer claim most C compilers
16618 * gcc.texi (G++ and GCC): Update other front-ends list.
16620 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
16622 * i386.c (ix86_expand_setcc): Fix typo.
16623 (ix86_expand_movcc): Similarly.
16625 * Band-aid until haifa's bitset implementation is nuked.
16626 * haifa-sched.c (extract_bitlst): New parameter for size of the
16627 bitset in bits. All callers changed. Avoid looking at undefined
16628 bits in the bitset.
16629 (edgeset_bitsize): New variable.
16630 (schedule_region): Initialize edgeset_bitsize.
16632 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16634 * Makefile.in (optabs.o): Depend on real.h
16635 (resource.o): Depend on insn-attr.h
16637 * builtins.c (result_vector): Wrap prototype in macro conditions
16638 governing definition and use.
16640 * c-common.c: Include tm_p.h.
16642 * c-lex.c: Likewise.
16644 * elfos.h: Constify a char*.
16646 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
16647 (get_attr_length, shorten_branches, profile_after_prologue): Mark
16648 parameter with ATTRIBUTE_UNUSED.
16650 * fold-const.c (exact_real_inverse): Wrap variable `i' in
16653 * haifa-sched.c (schedule_insns): Mark parameter with
16656 * optabs.c: Include real.h.
16658 * real.h (ereal_atof): Add prototype arguments.
16660 * resource.c: Include insn-attr.h.
16662 * sdbout.c (sdbout_queue_anonymous_type,
16663 sdbout_dequeue_anonymous_types): Wrap in macro
16664 SDB_ALLOW_FORWARD_REFERENCES.
16665 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
16668 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
16670 * stupid.c: Include tm_p.h.
16672 * tree.c (real_value_from_int_cst): Mark parameter with
16675 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16677 * i960-protos.h: New file.
16679 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
16682 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
16684 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16686 * combine.c (expand_field_assignment): Do not discard SUBREGs
16687 while computing nonzero_bits.
16689 2000-01-09 Nick Clifton <nickc@cygnus.com>
16691 * config/arm/arm.c: Fix compile time warnings about signed vs
16692 unsigned constants.
16693 * config/arm/arm.h: Fix compile time warnings about signed vs
16694 unsigned constants.
16696 2000-01-09 Philip Blundell <philb@gnu.org>
16698 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
16699 than `ldm' with only one register.
16700 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
16703 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
16706 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
16708 * config/ns32k/ns32k.md (load or push effective address): Operand 1
16711 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16713 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
16714 assignment used as truth value.
16716 * function.c (assign_temp): Mark parameter `dont_promote' with
16717 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
16718 PROMOTE_FOR_CALL_ONLY.
16720 * genrecog.c (write_subroutine): Mark variable `operands' with
16723 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
16726 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
16727 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
16729 * toplev.c (note_deferral_of_defined_inline_function): Likewise
16732 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16734 * config/c4x.h: Tidy up comments.
16735 * config/c4x.c: Likewise.
16737 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
16739 * fold-const.c (lshift_double, rshift_double): Handle
16740 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
16742 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16744 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
16745 in prepare_function_start().
16747 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
16749 * config/v850/v850.c (expand_epilogue): Interrupt functions no
16750 longer allocate extra stack for function calls.
16752 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16754 * config/c4x/c4x.md (*subqf3_set): Fix typo.
16756 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16758 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
16760 2000-01-07 David Edelsohn <edelsohn@gnu.org>
16762 * rs6000.c (processor_target_table): Add power3 as alias for 630.
16763 * aix43.h: Revert Aug 2 change.
16764 (HAS_INIT_SECTION): Define, not visible yet.
16765 (LD_INIT_SWITCH): Define, not visible yet.
16766 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
16768 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
16770 * collect2.c (main): Expand ld2 size further.
16771 (export_object_lst): Cast assignment to avoid warning.
16772 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
16773 (scan_prog_file, COFF): Do not collect initialization or
16774 finalization functions generated for entire shared object if
16775 init/fini support present.
16777 2000-01-07 Nick Clifton <nickc@cygnus.com>
16779 * config/elfos.h: Tidy up formatting of marcos. Make sure
16780 that .section directives are always prefixed by a tab.
16782 * config/svr4.h: Add #include "elfos.h" and remove duplicate
16785 2000-01-07 Matt Austern <austern@sgi.com>
16787 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
16790 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
16792 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16794 (crtbegin.o, s-crtS): Likewise.
16796 2000-01-06 Richard Henderson <rth@cygnus.com>
16798 * alpha.md (adddi_2+1): Limit offset such that it will be
16799 loadable with a single ldah+lda pair.
16800 (adddi_2+2): Explicitly fail split if we can't make it work.
16802 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
16804 * protoize.c: Conditionally include unistd.h.
16805 (IS_SAME_PATH_CHAR): New macro.
16806 (IS_SAME_PATH): New macro.
16807 (CPLUS_FILE_SUFFIX): New macro.
16808 (cplus_suffix): New static variable.
16809 (is_abspath): New static function.
16810 (in_system_include_dir): Handle DOS style pathnames.
16811 (file_could_be_converted): Likewise.
16812 (file_normally_convertible): Likewise.
16813 (directory_specified_p): Likewise.
16814 (file_excluded_p): Likewise.
16815 (abspath): Likewise.
16816 (shortpath): Likewise.
16817 (referenced_file_is_newer): Likewise.
16818 (save_def_or_dec): Likewise.
16819 (do_processing): Likewise.
16821 (edit_file): Likewise. Use rename instead of link.
16822 (rename_c_file): Likewise. Don't rename syscalls file.
16823 (munge_compile_params): Define null device for DOS based systems.
16824 (process_aux_info_file): Use binary mode if appliable.
16825 (edit_file): Likewise.
16826 * invoke.texi (Running Protoize): Document C++ suffixes used.
16828 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16829 IS_DIR_SEPARATOR macros.
16830 * collect2.c: Likewise.
16831 * cppinit.c: Likewise.
16832 * dwarf2out.c: Likewise.
16834 * gcov.c: Likewise.
16835 * prefix.c: Likewise.
16837 * toplev.c: Likewise.
16838 * system.h: And move to here.
16840 * prefix.c (update_path): Fix typo in variable name.
16842 2000-01-06 Richard Henderson <rth@cygnus.com>
16844 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16845 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16846 (count_reg_sets_1, count_reg_references): Likewise.
16847 (flow_loops_level_compute): Start counting actual loop depth at 1.
16848 (flow_loops_find): Likewise.
16849 * local-alloc.c (update_equiv_regs): Likewise.
16850 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16852 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
16854 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16855 FIRST_PSEUDO_REGISTER
16856 * dwarf2out.c: Don't include frame.h
16857 * dwarfout.c: Likewise
16858 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16861 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
16863 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16866 * i386.c (movsf splitter): Fix typo in my last checkin.
16868 2000-01-05 Nick Clifton <nickc@cygnus.com>
16870 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16871 own definition of this macro.
16872 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16873 flag_data_sections or UNIQUE_SECTION_P are true.
16875 * tm.texi (UNIQUE_SECTION): Document that it can be called for
16876 unitialised data decls.
16878 * config/i386/winnt.c (i386_pe_unique_section): Cope with
16879 being called for uninitialised data.
16881 * config/i386/interix.c (i386_pe_unique_section): Cope with
16882 being called for uninitialised data.
16884 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16885 for uninitialised data.
16887 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16888 for uninitialised data.
16890 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16891 for uninitialised data.
16893 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16894 (UNIQUE_SECTION_P): Always generate a unique section if
16895 flag_data_sections is true.
16896 (UNIQUE_SECTION): Also generate unique sections for
16897 uninitialised data.
16898 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16899 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16902 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16904 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16907 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16909 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
16910 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16911 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16912 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16913 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16915 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16917 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
16919 * c-decl.c (finish_enum): Simplify code to determine minimum and
16920 maximum values of the enum, and calculate the type. Remove check
16921 for FUNCTION_DECLs in the values list, which cannot happen. Replace
16922 the DECL_INITIAL of each enumeration constant with a copy converted
16923 to the enumeration type. When updating variant types, don't bother
16924 updating the type itself.
16926 * c-typeck.c (build_binary_op): Simplify conditional expressions
16927 when weeding out spurious signed-unsigned warnings. Add new
16928 spurious warning category: if the unsigned quantity is an enum
16929 and its maximum value fits in signed_type(result_type). Update
16931 (build_conditional_expr): Warn here if one alternative is signed
16932 and the other is unsigned.
16934 2000-01-05 Nick Clifton <nickc@cygnus.com>
16936 * config/fr30/fr30.h: Remove extraneous comments.
16938 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
16940 * reload1.c (choose_reload_regs): When disabling a reload, also
16941 set reload_spill_index to -1.
16943 2000-01-04 Joel Sherrill (joel@OARcorp.com>
16945 * configure.in (m68*-*-rtemscoff*): New target, formal name for
16947 (m68*-*-rtemself*): New target.
16948 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
16949 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
16950 (sparc*-*-rtemself*): New target.
16951 (sparc*-*-rtems*): Now elf not a.out.
16952 * config/i386/rtems.h: Include config/rtems.h.
16953 * config/i386/rtemself.h: Include config/rtems.h.
16954 * config/i960/rtems.h: Include config/rtems.h.
16955 * config/m68k/rtems.h: Include config/rtems.h.
16956 * config/m68k/rtemself.h: Include config/rtems.h.
16957 * config/mips/rtems64.h: Include config/rtems.h.
16958 * config/pa/rtems.h: Include config/rtems.h.
16959 * config/rs6000/rtems.h: Include config/rtems.h.
16960 * config/sh/rtems.h: Include config/rtems.h.
16961 * config/sh/rtemself.h: Include config/rtems.h.
16962 * config/sparc/rtems.h: Include config/rtems.h.
16963 * config/sparc/rtemself.h: Include config/rtems.h
16965 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
16967 * final.c (shorten_branches): Correctly compute length of
16968 asms without operands.
16970 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
16972 * configure.in: Add pj target.
16973 * configure: Regenerate.
16974 * config/pj: New directory.
16975 * config/pj/lib1funcs.S: New file.
16976 * config/pj/linux.h: New file.
16977 * config/pj/pj.c: New file.
16978 * config/pj/pj.md: New file.
16979 * config/pj/pjl.h: New file.
16980 * config/pj/t-pj: New file.
16981 * config/pj/xm-pj.h: New file
16983 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
16985 * toplev.c (rest_of_compilation): Run shorten-branches before
16988 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16990 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
16991 macros so that they're consistent with their names.
16992 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16993 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16995 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16997 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
16998 modified inadvertently.
17000 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17002 * configure.in (v850*-*-rtems*): New target.
17003 * configure: Regenerate.
17004 * config/v850/rtems.h: New file.
17006 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17008 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17009 (__gthread_key_create): Likewise.
17010 (__gthread_key_dtor): Likewise.
17011 (__gthread_once): Fix logic.
17012 (__gthread_key_delete): Cast away constness.
17014 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17015 * invoke.texi: Document.
17016 * i386/mingw32.h (CPP_SPEC): Use.
17017 (LIBGCC_SPEC): Likewise.
17018 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17020 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17022 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17023 (HANDLE_PRAGMA_PACK): Undefine.
17024 (SLOW_UNALIGNED_ACCESS): Define.
17026 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17028 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17029 to default definition.
17030 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17031 (store_fixed_bit_field): Call macro with word_mode and alignment.
17032 (extract_bit_field): Call macro with relevant mode and alignment.
17033 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17034 to default definition.
17035 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17037 (move_by_pieces_ninsns): Likewise.
17038 (clear_by_pieces): Likewise.
17039 (emit_push_insn): Likewise.
17040 (store_field): Call macro with relevant mode and alignment.
17041 (expand_expr): Likewise.
17042 (expand_expr_unaligned): Likewise.
17044 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17045 (SLOW_UNALIGNED_ACCESS): Define.
17046 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17047 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17048 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17049 (toc_section): Likewise and .toc pseudo-op.
17050 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17052 (TEXT_SECTION_ASM_OP): Likewise.
17053 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17056 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17057 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17058 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17059 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17060 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17062 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17064 * regclass.c: Revert my Jan 4 change to loop cost computation.
17066 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17068 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17071 2000-01-04 Stan Cox <scox@cygnus.com>
17073 * haifa-sched.c (build_control_flow): Change unreachable simple
17074 loop test to check if current block has only one predecessor.
17075 (find_rgns): Initialize degree. Use dest as degree index, not src.
17077 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17079 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17081 * calls.c (expand_call): Likewise for
17082 `old_stack_arg_under_construction'.
17084 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17086 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17089 * gcc.c (execute): Likewise for `ut' and `st'.
17091 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17093 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17095 * jump.c (jump_optimize_1): Likewise for `temp2'.
17097 * local-alloc.c (block_alloc): Likewise for `r1'.
17099 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
17101 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
17102 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
17104 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
17107 * reload.c (find_reloads): Likewise for `goal_alternative_number'
17108 and `goal_earlyclobber'.
17110 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
17112 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
17114 * stupid.c (stupid_life_analysis): Likewise for `chain'.
17116 * unroll.c (copy_loop_body): Likewise for `copy'.
17118 * varasm.c (output_constructor): Likewise for `byte'.
17120 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17122 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
17123 all FP constants for constant->reg moves.
17124 (ix86_split_to_parts): Try to convert memory address into immediate
17125 when available in the constant pool.
17126 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
17128 (LEGITIMATE_CONSTANT_P): Return 1.
17129 * i386.md (pushsf): New splitter to convert constant pool memory
17130 reference to immediate.
17131 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
17134 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
17136 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
17137 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
17138 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
17139 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
17140 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
17142 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
17144 * ginclude/stdbool.h: Support compilation as C++.
17146 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17148 * fold-const.c (make_range): Don't try to reverse an unbounded range.
17150 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
17152 * regclass.c (regclass): Properly compute loop_cost. Adjust
17155 * regclass.c: Fix minor whitespace problems.
17157 2000-01-03 Anthony Green <green@cygnus.com>
17159 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
17160 Restore the pic register if required.
17162 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
17164 * c-common.c (format_char_info): Update comment.
17165 (check_format_info): Recognize 'z' modifier in the same way 'Z'
17166 was recognized. Emit warning for formats new in ISO C99 only
17167 if flag_isoc9x is not set.
17169 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
17171 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
17173 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17175 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
17176 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
17177 (make_compound_operation): Choose cheaper alternative between
17178 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
17180 * regclass.c (op_costs): Remove global variable.
17181 (record_reg_classes): New parameter "op_costs" and "reg_pref".
17182 (record_operand_costs): Break out from ...
17183 (scan_one_insn): ... here.
17184 (dump_regclass): Make dumps nicer.
17185 (regclass): Dump preferrences choosed and changes done during passes.
17187 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17189 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
17191 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17193 * config/sparc/sparc.c (gen_df_reg): New function.
17194 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
17195 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
17196 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
17197 movtf_cc_reg_sp64+1): Use it.
17199 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17201 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
17202 copied LABEL_DECLs.
17204 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
17206 * config/i386/i386.c (ix86_expand_unary_operator): Function
17207 definition made void.
17208 (ix86_expand_binary_operator): Update outdated preceding comment.
17209 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
17212 * config/i386/i386.c (override_options): Fix option-name typo.
17214 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17216 * system.h (CEIL): Define.
17217 * builtins.c (CEIL): Remove.
17218 * expmed.c (CEIL): Likewise.
17219 * expr.c (CEIL): Likewise.
17220 * stor-layout.c (CEIL): Likewise.
17222 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17224 * expr.c (store_constructor_field): Fix typo introduced with last
17227 2000-01-01 Mark Mitchell <mark@codesourcery.com>
17229 * tree.h (BINFO_N_BASETYPES): New macro.
17231 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
17233 * expmed.c (emit_store_flag): Prevent losing a pending stack
17234 adjust the same way we prevent losing queued increments.
17236 See ChangeLog.2 for earlier changes.