1 2000-09-19 Richard Henderson <rth@cygnus.com>
3 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
4 if the tree has side effects.
5 (warn_if_unused_value): Do not warn about void constructs.
7 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
9 * unroll.c (copy_loop_body): Update LABEL_NUSES before
12 2000-09-18 Geoff Keating <geoffk@cygnus.com>
14 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
17 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19 * Makefile.in (c-common.o): Depend on diagnostic.h.
21 * c-common.c: Include diagnostic.h.
23 (status_warning): New function.
24 (check_format_info, maybe_read_dollar_number, check_format_types,
25 finish_dollar_format_checking, check_function_format): Accept a
26 `status' parameter. All callers changed.
28 * c-common.h (check_function_format): Accept a `status' parameter.
30 * c-typeck.c: Update call to `check_function_format'.
32 2000-09-18 Richard Henderson <rth@cygnus.com>
34 * c-decl.c (c_expand_body): Call mark_varargs before
35 expand_function_start.
37 2000-09-18 Geoff Keating <geoffk@cygnus.com>
39 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
40 * config/rs6000/eabi-ci.asm: Likewise.
42 2000-09-18 Richard Henderson <rth@cygnus.com>
44 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
47 2000-09-18 Jim Wilson <wilson@cygnus.com>
49 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
50 before passing it to fold_rtx_mult_add.
52 * unroll.c (final_giv_value): Pass increment through
53 extend_value_for_giv before passing it to emit_iv_add_mult.
55 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
56 paradoxical subreg, then directly substitute the replacement and
59 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
61 * cpp.texi: Update documentation, including some clarifications,
62 the treatment of various newline combinations, and space between
63 backslash and newline.
65 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
67 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
68 Replace ASM_OUTPUT_LABELREF with assemble_name.
70 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
72 * sh.c (addsubcosts): CONST is not cheap.
73 (find_barrier): For Sh1, take alignment after jumps into account.
75 2000-09-15 Andrew Haley <aph@redhat.com>
77 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
78 remove all SETs of SUBREGs of hard registers.
79 * function.c (purge_hard_subreg_sets): New function.
80 (purge_single_hard_subreg_set): New function.
81 * rtl.h: (purge_hard_subreg_sets): New function.
83 2000-09-18 Richard Henderson <rth@cygnus.com>
85 * config/ia64/ia64-protos.h: Update.
86 * config/ia64/ia64.c (signed_inequality_operator): New.
87 (ia64_expand_compare): New.
88 (ia64_register_move_cost): Handle PR_REGS moves.
89 (ia64_secondary_reload_class): Require a GR when moving to a PR.
90 (struct reg_write_state): Add written_by_and/or.
91 (struct reg_flags): Add is_and/or.
92 (rws_update): Set them.
93 (rws_access_regno): Test them to allow parallel comparisons.
94 (rtx_needs_barrier): Recognize parallel comparisons.
95 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
96 Call recog_memoized; ignore pred_rel_mutex.
97 (emit_predicate_relation_info): Don't call find_basic_blocks here.
98 (ia64_reorg): Do it here instead.
99 * config/ia64/ia64.h: s/CCmode/BImode/g
100 (MODES_TIEABLE_P): Don't tie BImode.
101 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
102 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
103 (RTX_COSTS): Make multiply 4 insns.
104 (MEMORY_MOVE_COST): New.
105 (PREDICATE_CODES): Update.
106 * config/ia64/ia64.md: s/CCmode/BImode/g
107 (movcci, movbi): New.
108 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
109 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
110 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
111 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
112 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
113 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
114 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
115 (mulsi, muldi): Use xmpy not xma.
117 (movcc, movcc_internal): Remove.
118 (branch expanders): Use ia64_expand_compare.
119 (setcc expanders): Likewise.
120 (cmov insns): Use move_operand and ia64_move_ok.
121 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
122 scheduler from moving it past a use.
123 * config/ia64/build.hacks: Remove.
125 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
127 * cpphash.h (HASHSTEP): Take character rather than pointer
129 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
131 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
133 * cpplex.c (auto_expand_name_space, trigraph_replace,
134 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
135 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
136 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
137 KNOWN_DIRECTIVE): Delete.
139 (handle_newline, check_long_token, skip_escaped_newlines,
140 unterminated): New functions.
141 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
143 (parse_identifier): Was parse_name, new implementation.
144 (skip_line_comment, skip_block_comment, skip_whitespace,
145 parse_number, parse_string, trigraph_ok, save_comment,
146 adjust_column, _cpp_get_line): New implementations.
148 (lex_token): New function. Lexes a token at a time, looking
149 forwards. Contains most of the guts of the old lex_line.
150 (lex_line): New implementation, using lex_token to obtain
152 (cpp_scan_buffer): Use the token's line, not the list's line.
154 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
156 (do_assert): Don't bother setting the answer's list's line.
157 (cpp_push_buffer): Initialise new pfile and read_ahead members
158 of struct cpp_buffer.
160 * cpplib.h (cppchar_t): New typedef.
161 (struct cpp_buffer): read_ahead, pfile and col_adjust are
163 (struct lexer_state): New structure that determines the state
164 and behaviour of the lexer.
165 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
166 (struct cpp_reader): New member "state". Rename
167 multiline_string_line and multiline_string_column. Delete
168 col_adjust, in_lex_line members.
169 (CPP_BUF_COLUMN): Update.
171 2000-09-18 Richard Henderson <rth@cygnus.com>
173 * combine.c (simplify_comparison): Shift a NOT out of a single
176 * combine.c (if_then_else_cond): Canonicalize BImode true to
178 * explow.c (trunc_int_for_mode): Likewise.
180 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
181 the NOT for De Morgan's rule.
182 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
183 of a comparison to the reverse comparison.
185 * combine.c (try_combine): Allow split to create a single insn.
187 * machmode.def: Add BImode. Add a column for bitsize.
188 * machmode.h (DEF_MACHMODE): Adjust for extra column.
189 (GET_MODE_BITSIZE): Use it.
190 * rtl.c (DEF_MACHMODE): Adjust for extra column.
192 (mode_mask_array): Use bitsize.
193 * combine.c (combine_simplify_rtx): Require inner and outer
194 modes to match on nonzero_bits optimizations.
196 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
198 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
199 its entry in spill_reg_store.
200 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
201 * sh.c (reg_no_subreg_operand): New function.
202 * sh-protos.h (reg_no_subreg_operand): Declare it.
203 * sh.h (PREDICATE_CODES): Add it.
204 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
205 input operand that needs to be in fpul.
206 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
207 * sh.c (find_barrier): Take into account that machine_dependent_reorg
210 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
212 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
214 (sh_expand_epilogue): Take the PIC register into account when
215 computing the frame size.
217 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
218 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
219 LABEL_REFs with a PIC-safe unspec.
221 2000-09-18 Will Cohen <wcohen@redhat.com>
223 * extend.texi (Zero Length): State that static initializers for
224 zero-length arrays are not allowed.
226 * c-typeck.c (process_init_element): Flag initializers for zero
229 * tree.c (integer_all_onesp): Ignore TREE_INT_CST_HIGH if prec is
230 exactly HOST_BITS_PERWIDE_INT.
232 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
234 * c-common.c (check_format_info): Properly save the argument
235 number and parameter for $ operand number formats in case width
236 and precision arguments are also used. Allow printf width and
237 precision arguments to have operand numbers even if none was
238 specified for the main format, since this is OK for %*.*m. Only
239 object to missing $ operand number if the format used requires an
242 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
244 * c-common.c (format_char_info): Add 'W' flag to comment.
245 (print_char_table, scan_char_table): Use it.
246 (check_format_info): Use the 'W' flag to determine whether a
247 format argument is written into.
249 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
251 * c-common.c (check_format_types): Reorganise and clean up,
252 checking earlier for ERROR_MARKs and making cur_type into its
253 TYPE_MAIN_VARIANT where convenient.
255 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
257 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
259 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
261 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
263 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
264 * i386.c (struct builtin_description): New.
265 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
266 (mmx_reg_operand): Declare MODE arg as unused.
267 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
268 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
269 ix86_expand_binop_builtin, ix86_expand_store_builtin,
270 ix86_init_builtins, ix86_expand_builtin): New functions.
271 * i386.h (ix86_builtins): New enumeration.
272 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
273 * i386.md (attr length_immediate): 0 for mmx/sse types.
274 (attr prefix_0f): 1 for mmx/sse types.
275 (setcc_2): Remove "*" so we get gen_setcc_2.
276 (emms): Account for changed register numbering. Set "memory" attr
278 (sfence): Set "memory" attr to unknown.
280 2000-09-18 Andreas Jaeger <aj@suse.de>
282 * configure.in: Define _GNU_SOURCE only when using the GNU C
284 * configure: Regenerated.
285 * config.in: Regenerated.
287 2000-09-17 Mark Mitchell <mark@codesourcery.com>
289 * cppinit.c (cpp_init): Don't use ANSI prototypes.
290 * flow.c (flow_dump_loop): Likewise.
291 (flow_loops_dump): Likewise.
293 * c-typeck.c (c_start_case): Fix typo.
295 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
297 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
298 to int for plain complex which defaults to complex double. Do
299 warn about defaulting to complex double if pedantic. Warn about
300 complex integer types if pedantic. Warn about complex types if
301 pedantic and not in C99 mode.
302 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
303 for complex conjugation.
305 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
307 * contrib.texi: Update my entry.
309 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
311 * config/avr/avr.md (mcu_enhanced): New attribute.
312 (mcu_mega): Likewise.
313 (extendhisi2): Use mcu_enhanced.
314 (zero_extendhisi2): Likewise.
315 (call_insn): Use mcu_enhanced and mcu_mega.
316 (call_value_insn): Likewise.
317 (*sbrx_branch): Use mcu_mega.
318 (*sbrx_and_branchsi): Likewise.
319 (*sbrx_and_branchhi): Likewise.
320 (*tablejump_lib): Likewise.
322 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
324 * alias.c (true_dependence): Allow non-unchanging read to conflict
325 with unchanging write.
327 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
328 (store_constructor): Pass alias_set to it.
330 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
331 TYPE_MAIN_VARIANT of ERROR_MARK.
332 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
334 * simplify-rtx.c (simplify_unary_operation): Add cases
335 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
337 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
339 * expr.h (emit_library_call, emit_library_call_value): Delete
341 * rtl.h (enum libcall_type): New.
342 (emit_library_call, emit_library_call_value): Change fn_type arg to
343 be of type enum libcall_type.
344 * calls.c: Likewise for the function definitions. Several callers
345 throughout changed to use the new enumeration appropriately.
346 (emit_library_call_value_1): Likewise. Put back code to make libcall
347 blocks of equal form, but only use it for the two new higher
350 2000-09-16 Mark Mitchell <mark@codesourcery.com>
352 Convert the C front-end to use function-at-a-time mode.
353 * c-common.h: Include splay-tree.h.
354 (C_DECLARED_LABEL_FLAG): New macro.
355 (struct language_function): Add x_scope_stmt_stack and
356 x_function_name_declared_p.
357 (RECHAIN_STMTS): Move definition.
358 (lang_statment_code_p): Likewise.
359 (lang_expand_stmt): Likewise.
360 (lang_expand_decl_stmt): New variable.
361 (lang_expand_function_end): Likewise.
362 (current_scope_stmt_stack): New function.
363 (add_decl_stmt): Likewise.
364 (add_scope_stmt): Likewise.
365 (mark_stmt_tree): Likewise.
366 (struct c_lang_decl): New structure.
367 (DECL_SAVED_TREE): Define.
368 (c_mark_lang_decl): New function.
369 (c_expand_start_cond): Change prototype.
370 (c_finish_then): New function.
371 (c_finish_else): Likewise.
372 (current_function_name_declared): Remove.
373 (set_current_function_name_declared): Likewise.
374 (mark_c_language_function): Declare.
375 (case_compare): Likewise.
376 (c_add_case_label): Likewise.
377 (c_expand_expr): Likewise.
378 (c_safe_from_p): Likewise.
379 * c-common.c (lang_expand_function_end): New variable.
380 (struct if_elt): Add if_stmt.
381 (c_expand_start_cond): Add the if-statement to the statement-tree,
382 rather than generating RTL.
383 (c_finish_then): New function.
384 (c_expand_start_else): Don't generate RTL.
385 (c_finish_else): New function.
386 (c_expand_expr_stmt): Don't generate RTL.
387 (statement_code_p): Add SCOPE_STMT.
388 (case_compare): New function.
389 (c_add_case_label): Likewise.
390 (mark_stmt_tree): Likewise.
391 (c_mark_lang_decl): Likewise.
392 (mark_c_language_function): Likewise.
393 (c_expand_expr): Likewise.
394 (c_safe_from_p): Likewise.
395 * c-decl.c (c_stmt_tree): New variable
396 (c_scope_stmt_stack): Likewise.
397 (c_function_name_declared_p): Likewise.
398 (lang_expand_expr_stmt): Remove.
399 (poplevel): Don't call output_inline_function for nested
401 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
403 (redeclaration_error_message): Change means of computing whether
404 or not a function is nested.
405 (lookup_label): Don't call label_rtx.
406 (init_decl_processing): Add more GC roots.
407 (start_decl): Add DECL_STMTs to the statement-tree, rather than
408 calling rest_of_decl_compilation.
409 (finish_decl): Don't call expand_decl.
410 (store_parm_decls): Begin the statement-tree, but don't generate
412 (finish_function): Tie off the statement-tree. Call c_expand_body
414 (c_expand_body): New function.
415 (push_c_function_context): Save more information.
416 (pop_c_function_contxt): Likewise.
417 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
418 (lang_mark_tree): Mark it.
419 (current_stmt_tree): Adjust.
420 (current_scope_stmt_stack): New function.
422 (set_current_name_declared): Likewise.
423 (c_begin_compound_stmt): Define.
424 (c_expand_decl_stmt): Likewise.
425 * c-lang.c: Include rtl.h and expr.h.
426 (lang_init): Set more language-specific hooks.
427 * c-lex.c: Include expr.h.
428 * c-parse.in: Changes throughout to add statements to the
429 statement-tree, rather than generating RTL after every statement.
430 * c-semantics.c (lang_expand_decl_stmt): Define.
431 (add_decl_stmt): New function.
432 (add_scope_stmt): Likewise.
433 (finish_stmt_tree): Tweak.
434 (genrtl_expr_stmt): Likewise.
435 (genrtl_decl_stmt): Handle local labels, and call
436 lang_expand_decl_stmt if required.
437 (genrtl_for_stmt): Fix line-number handling.
438 (genrtl_case_label): Handle cleanups.
439 (genrtl_asm_stmt): Don't call combine_strings.
440 (genrtl_compound_stmt): Simplify.
441 (expand_stmt): Handle SCOPE_STMTs.
442 * c-tree.h (struct lang_decl): New structure.
443 (C_DECLARED_LABEL_FLAG): Remove.
444 (c_begin_compound_stmt): Declare.
445 (c_expand_decl_stmt): Likewise.
446 (c_expand_start_case): Rename to c_start_case.
447 (c_finish_case): New function.
448 * c-typeck.c (start_init): Tweak setting of
449 constructor_incremental.
450 (c_expand_asm_operands): Tweak error-handling. Add to the
452 (c_expand_return): Add to the statement-tree.
453 (c_expand_start_case): Rename to ...
454 (c_start_case): ... this.
455 (struct c_switch): New type.
456 (switch_stack): New variable.
458 (c_finish_case): New function.
459 * dependence.c: Include expr.h.
460 (enum dependence_type): Change spelling of enumerals.
461 (check_node_dependence): Adjust.
462 * expr.h (lang_safe_from_p): Declare.
463 (safe_from_p): Likewise.
464 * expr.c (lang_safe_from_p): New variable.
465 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
466 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
467 * toplev.c (rest_of_decl_compilation): Robustify.
468 * tree.c (contains_placeholder_p): Likewise.
469 * Makefile.in: Update dependencies.
470 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
471 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
472 (objc_expand_function_end): New function.
473 (finish_method_def): Use it.
474 (init_objc): Initialize more language-specific hooks.
475 * objc/Make-lang.in: Update dependencies.
477 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
479 * configure.in: Define macros that affect features before
480 testing for features. Don't define _XOPEN_SOURCE.
481 * configure: Regenerated.
482 * config.in: Regenerated.
484 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
486 * rtlanal.c (rtx_varies_p): Volatile asms vary.
487 (rtx_unstable_p): Restructure code. Volatile asms
490 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
492 * function.h (no_debugging_symbols): New field.
493 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
494 Initialize no_debugging_symbols.
495 (output_inline_function): Save and restore write_symbols and set from
496 no_debugging_symbols.
497 * toplev.c (rest_of_compilation): Call save_for_inline.
498 * tree.h: Update comment.
500 * stor-layout.c (place_field): Don't do anything if field or
501 its type are ERROR_MARK.
503 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
505 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
506 (read_include_file): Ensure inc->mmaped is initialized.
508 2000-09-16 Richard Henderson <rth@cygnus.com>
510 * cppiles.c (purge_cache): Use PTR not caddr_t.
512 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
514 * gcc.c: In description for %{<S}, say the option removed is -S.
515 * invoke.texi (Spec Files): Ditto.
517 2000-09-16 Andreas Jaeger <aj@suse.de>
519 * configure.in: Always define _GNU_SOURCE to make interfaces
520 visible that were hidden by only defining _GNU_SOURCE.
521 * configure: Regenerated.
523 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
525 * cpplex.c (push_macro_context): Set an argument's level after
526 calling parse_args. We could loop infinitely otherwise.
528 2000-09-15 Tom Tromey <tromey@cygnus.com>
530 * configure, config.in: Rebuilt.
531 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
533 2000-09-15 Greg McGary <greg@mcgary.org>
535 * cppmacro.c (check_trad_stringification): Check token
536 text pointers against limit before dereferencing.
538 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
540 * c-common.c (format_wanted_type): New structure.
541 (check_format_types): New function.
542 (check_format_info): Pass all checking of types of format
543 arguments, including width and precision arguments, to this new
546 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
550 2000-09-15 Jakub Jelinek <jakub@redhat.com>
552 * config/alpha/alpha.c (override_options): ev6 cache latencies
553 from Richard Henderson. Don't allow -mmemory-latency=L0.
555 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
556 (TARGET_OPTIONS): Add tune=.
557 (alpha_tune_string): Declare.
558 * config/alpha/alpha.c (override_options): Add cpu_table.
559 Use alpha_cpu_string first to set both alpha_cpu and target_flags
560 and then alpha_tune_string to set alpha_cpu only.
561 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
562 * config/alpha/elf.h (ASM_FILE_START): Likewise.
563 * config/alpha/osf.h (ASM_FILE_START): Likewise.
564 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
566 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
568 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
570 (ix86_comparison_operator, ix86_cc_mode): Declare
571 * i386.h (CCGC, CCGCO): New modes.
572 (SELECT_CC_MODE): Move offline to ....
573 * i386.c (ix86_cc_mode): .... here; use new modes.
574 (ix86_comparison_operator): New.
575 (fcmov_comparison_operator): Ensure proper mode.
576 (put_condition_mode): More sanity checking.
577 (ix86_match_ccmode): Handle new modes.
578 (ix86_expand_fp_compare): GEU requires CCmode.
579 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
581 * i386.md (cmp?i_ccz_1): Remove
582 (cmp?i_ccno_1): Use ix86_match_ccmode.
583 (cmp?i_minus_1): New.
584 (cmpsi_1): New expander.
585 (cmpqi_ext_1): Use match_ccmode
586 (cmpqi_ext_3): New expander.
587 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
588 (cmpqi_ext_4): Use match_ccmode.
589 (add?i_?): Use match_ccmode.
591 (test?i_ccz_1): Remove
593 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
594 (testqi_ext_0): Use ix86_match_ccmode.
595 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
596 (xorqi_cc_ext_1): New expander.
597 (shift patterns): Use CCGOCmode for all shifts except for sar.
598 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
599 (setcc_3, jcc_3, miv?icc_c): Remove.
601 2000-09-15 Will Cohen <wcohen@redhat.com>
603 * dwarf2out.c (add_const_value_attribute): Changed array into a
604 xmalloced object, so it exists after function exit.
605 (free_AT): Added case for dw_val_class_float to free allocated
608 2000-09-15 Kazu Hirata <kazu@hxi.com>
610 * config/i386/i386.md: Fix a comment typo.
611 * gcc.c: Fix formatting.
613 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
615 * optabs.c (emit_libcall_block): If target is a user variable,
616 copy to a temporary first.
617 * expr.c (convert_move): When generating a libcall, make a libcall
619 * calls.c (emit_library_call_value_1): Don't create a libcall
620 sequence here; our caller will in most cases do it.
622 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
624 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
625 * sh.md (reload_outsf): Generate recognizable patterns for
627 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
628 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
629 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
630 truncdfsf2_i4): Change not to use explicit references to fpul.
631 (floatsisf2_ie): Remove USE of fpscr.
632 (floatsisf2): Change default expansion to match this.
633 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
636 2000-09-15 Richard Henderson <rth@cygnus.com>
638 * expmed.c (store_bit_field): Consider naturally aligned
639 memory for direct reference.
641 2000-09-15 Richard Henderson <rth@cygnus.com>
643 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
644 AND addresses into alias set 0.
645 (alpha_expand_unaligned_store): Likewise.
646 (alpha_expand_unaligned_load_words): Likewise.
647 (alpha_expand_unaligned_store_words): Likewise.
649 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
651 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
652 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
654 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
655 rsize of UNITS_PER_WORD.
657 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
659 * cpplex.c (ON_REST_ARG): Correct the test.
660 (maybe_paste_with_next): Duplicate a token that fail pasting,
661 and clear its PASTE_LEFT flag, so that nested pasting attempts
664 2000-09-14 Richard Henderson <rth@cygnus.com>
666 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
667 * cse.c (rtx_cost): Likewise.
668 * optabls.c (expand_binop): Likewise.
669 (expand_twoval_binop, prepare_cmp_insn): Likewise.
670 * regclass.c (copy_cost): Likewise.
671 * reload1.c (reload_cse_move2add): Likewise.
673 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
675 * c-parse.in (reswords): Add _Complex.
677 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
679 * gcc.1: Delete documentation for -undef preprocessor option.
681 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
683 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
684 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
685 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
686 Remove undefine before config/elfos.h.
687 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
689 2000-09-14 Kazu Hirata <kazu@hxi.com>
691 * invoke.texi (H8/300 Options): Add -ms2600.
692 * config/h8300.c (h8300_init_once): Output an error when -ms2600
694 * config/h8300.h (TARGET_MAC): New.
695 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
696 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
697 machine other than H8/S2600.
698 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
701 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
703 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
704 pseudos that refer to the original pseudos, not only to their
705 equivalent memory locations.
707 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
709 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
712 * Makefile.in (LN): Remove duplicate definition.
714 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
717 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
718 on an insn and function_invariant_p returns nonzero for the source,
719 add a REG_EQUAL note.
721 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
723 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
724 conflict with frame_pointer_rtx.
726 2000-09-13 Kazu Hirata <kazu@hxi.com>
728 * loop.c: Fix formatting.
731 2000-09-13 Richard Henderson <rth@cygnus.com>
733 * config/ia64/ia64.md (divsf3): New.
734 (divsf3_internal_lat, divsf3_internal_thr): New.
735 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
736 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
737 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
738 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
739 (nmadddf4_alts, nmadddf4_trunc): New.
740 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
741 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
742 (multf3_truncsf_alts, multf3_truncdf_alts): New.
743 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
744 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
745 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
746 (nmaddtf4_truncdf_alts): New.
747 (recip_approx): Don't predicate.
749 2000-09-13 Richard Henderson <rth@cygnus.com>
751 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
753 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
755 * flags.h (flag_dump_rtl_in_asm): Declare.
756 * toplev.c (flag_dump_rtl_in_asm): Define.
757 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
759 * rtl.h (print_rtx_head): Declare.
760 * print-rtl.c (print_rtx_head): Define.
761 (print_rtx): Print the string pointed to by print_rtx_head
762 at beginning of each dump line.
763 (print_rtl): Likewise.
764 (print_rtl_single): Likewise.
765 * final.c (final_scan_insn): Dump the insn in the assembly
767 * gcc.1: Document -dP option.
768 * invoke.texi (Debugging Options): Likewise.
770 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
772 * md.texi (Machine Constraints): Document the 68HC11 constraints.
773 * install.texi (Configurations): Document the 68HC11&68HC12 port.
774 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
776 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
778 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
779 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
780 (*clrstrqi): Likewise.
781 (xorhi3,xorsi3,absqi2): Likewise.
782 (one_cmplhi2,one_cmplsi2): Likewise.
783 (addsi3): Two stupid constraint alternatives removed.
784 (extendhisi2): Use `movw' for enhanced avr cores.
785 (zero_extendhisi2): Likewise.
787 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
789 * alias.c (find_base_term): Use frame_pointer_rtx
790 when handling an ADDRESSOF.
792 * cse.c (canon_hash): Handle USE of BLKmode memory.
793 (cse_insn): Outgoing arguments for a libcall don't
794 affect any recorded expressions.
796 2000-09-12 Tom Tromey <tromey@cygnus.com>
798 * configure, config.in: Rebuilt.
799 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
801 2000-09-12 Jakub Jelinek <jakub@redhat.com>
803 * c-lex.c (lex_string): Use charwidth to compute bytemask.
804 * expr.c (expand_expr): Don't optimize constant array references
805 initialized with wide string constants.
807 2000-09-13 Michael Hayes <mhayes@cygnus.com>
809 * loop.c (note_set_pseudo_multiple_uses): Correct.
811 2000-09-12 Jim Wilson <wilson@cygnus.com>
813 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
814 else block, and X has side-effects, then fail.
816 2000-09-12 Greg McGary <greg@mcgary.org>
818 * config/mips/mips-protos.h
819 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
820 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
821 (PREDICATE_CODES): Add "trap_cmp_op".
823 (trap_cmp_op, mips_gen_conditional_trap): New functions.
824 * config/mips/mips.md (trap, conditional_trap): New patterns.
826 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
828 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
831 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
833 * builtins.c (built_in_decls): New array.
834 (expand_builtin_fputs): New function.
835 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
837 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
839 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
841 * tree.h (built_in_decls): New array.
843 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
845 * convex.md: Use "+" instead of "=" for outputs wrapped in a
847 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
849 2000-09-12 Kazu Hirata <kazu@hxi.com>
851 * haifa-sched.c: Fix formatting.
853 * genattrtab.c: Fix formatting.
855 * unroll.c: Fix formatting.
857 2000-09-12 Bruce Korb <bkorb@gnu.org>
859 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
861 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
862 * fixinc/fixincl.tpl: make non-exported arrays static scope
863 * fixinc/fixincl.x: regenerate
864 * fixinc/fixlib.h: Use PARAMS, not _P_
865 * fixinc/fixtests.c: make a type for the test proc & use it
866 * fixinc/server.h: Use PARAMS, not _P_
868 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
870 * c-typeck.c (process_init_element): Avoid union init warnings on
871 floating point zero. Don't crash on unions containing structs.
873 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
875 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
876 general_movsrc_operand, and remove CONST_INT from
877 general_movdst_operand.
879 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
881 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
882 if a reference to non-fixed hardreg is seen. Otherwise, count hard
883 regs with a higher cost.
884 (preferrable): Deal with cases where either cost or regcost is
886 (cse_insn): Use MAX_COST rather than 10000. Always initialize
888 (COSTS_N_INSNS): Move definition...
890 (MAX_COST): New macro.
891 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
894 2000-09-11 Mark Mitchell <mark@codesourcery.com>
896 * c-common.h (genrtl_clear_out_block): Remove.
897 * c-semantics.c (genrtl_clear_out_block): Remove.
898 (genrtl_while_stmt): Don't call it.
899 (genrtl_for_stmt): Likewise.
901 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
903 * cppfiles.c: Move all default-#defines to top of file.
904 (open_include_file): Replace by lookup_include_file.
905 (read_with_read, read_file): Merged into read_include_file.
906 (stack_include_file, purge_cache): New functions.
907 (close_cached_fd): Delete.
908 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
909 Cache the in-memory buffer, not the file descriptor.
911 * cpphash.h (struct include_file): Add buffer, st, refcnt,
913 (xcnew): New utility macro.
914 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
915 * cpplib.h (struct cpp_buffer): Remove mapped field.
917 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
919 * cpplex.c (parse_string): Accept backslash space newline as a
921 (lex_line): Likewise.
922 (_cpp_get_token): Remove hard limit on macro nesting.
924 2000-09-12 Philipp Thomas <pthomas@suse.de>
926 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
927 * configure: Rebuilt.
929 2000-09-13 Michael Hayes <mhayes@cygnus.com>
931 * flow.c (split_block): Fix update of registers live at
934 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
936 * i386.md (add?i_3, add?i_5): New.
937 (add?i_4): Rename from add?i_3; Fix compare pattern.
938 (sub?i_3, xor?i_3, ior?i_3): New.
940 * genrecog.c (write_tree): Output code to clear insn_extract cache.
941 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
942 instead of extract_insn and extract_constrain_insn_cache instead of
943 extract_insn and constrain_operands.
944 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
946 (extract_insn): Clear which_alternative.
947 (constrain_operands): Set which_alternative to -1 when failed.
948 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
951 2000-09-11 Matthew Hiller <hiller@redhat.com>
953 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
955 (movstricthi): Likewise.
957 2000-09-12 Michael Hayes <mhayes@cygnus.com>
959 * loop.h (LOOP_IVS): New macro.
960 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
961 (struct loop_ivs): New.
962 (struct loop_info): Add ivs field.
963 (reg_iv_type, reg_iv_info): Delete prototype.
964 (reg_biv_class, loop_iv_list): Likewise.
965 * loop.c (record_biv, find_life_end): Pass loop argument.
966 (reg_iv_type): Remove global array and use
967 field in loop_regs structure within loop_ivs structure.
968 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
969 (first_increment_giv, last_increment_giv): Use entry in
971 (record_initial): Pass ivs pointer.
972 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
974 2000-09-12 Michael Hayes <mhayes@cygnus.com>
976 * loop.h (LOOP_REGS): New macro.
977 (struct loop_regs): New.
978 (struct loop_info): Add regs field.
979 * loop.c (set_in_loop): Remove global array and store
980 in loop_regs structure as part of loop_info structure.
981 (n_times_set, may_not_optimize): Likewise.
982 (reg_single_usage, moved_once): Likewise.
983 (count_one_set): Add regs argument.
984 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
985 (set_pseudo_multiple_uses): Pass regs pointer.
987 2000-09-12 Michael Hayes <mhayes@cygnus.com>
989 * unroll.c (iteration_info): Subsume into loop_iterations.
990 * loop.h (loop_info): New field iv.
992 2000-09-12 Michael Hayes <mhayes@cygnus.com>
994 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
995 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
996 (flow_loops_update): New prototype.
997 (flow_loops_find): Add flags to prototype.
998 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
999 * flow.c (flow_loop_pre_header_scan): New.
1000 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1001 (flow_loop_free): Free pre-header root and trace and exit dominators.
1002 (flow_loops_find): New argument flags.
1003 (flow_loops_update): New function.
1004 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1006 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1008 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1009 * flow.c (split_block, update_bb_for_insn): New functions.
1011 2000-09-11 Richard Henderson <rth@cygnus.com>
1013 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1015 2000-09-11 Richard Henderson <rth@cygnus.com>
1017 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1018 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1019 (ia64_override_options): Prevent optimizing division for both
1020 latency and throughput.
1021 (rtx_needs_barrier): Handle frcpa.
1022 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1023 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1024 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1025 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1026 -minline-divide-max-throughput.
1027 (PREDICATE_CODES): Update.
1028 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1029 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1030 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1031 (extendsftf2): Likewise.
1032 (extenddftf2): Likewise.
1033 (fix_trunctfdi2_alts): New.
1034 (fixuns_trunctfdi2_alts): New.
1035 (madd*4): Rename from madd*3.
1036 (divsi3, modsi3, udivsi3, umodsi3): New.
1037 (divsi3_internal): New.
1038 (divdi3, moddi3, udivdi3, umoddi3): New.
1039 (divdi3_internal_lat, divdi3_internal_thr): New.
1040 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1041 (recip_approx): New.
1043 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1045 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1046 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
1048 * integrate.c (copy_rtx_and_substitute): Don't share
1049 LEAF_REG_REMAPpable registers with the inlined function. Don't
1050 share the function value with calling sequences.
1052 2000-09-11 Jakub Jelinek <jakub@redhat.com>
1054 * c-decl.c (do_case): Fix a typo.
1056 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
1057 to a if the comparison is floating mode and not -ffast-math.
1058 * simplify-rtx.c (simplify_ternary_operation): Likewise.
1060 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1062 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
1063 gen_ic_invalidate_line.
1065 2000-09-11 Philip Blundell <pb@futuretv.com>
1067 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
1069 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
1071 * install.texi (LANGUAGES): Update to include new languages.
1074 2000-09-11 DJ Delorie <dj@redhat.com>
1076 * gcc.c (main): Don't warn about unused -B prefixes
1077 (unused_prefix_warnings): remove
1079 2000-09-11 Kazu Hirata <kazu@hxi.com>
1081 * final.c: Fix formatting.
1083 * integrate.c: Fix formatting.
1085 2000-09-11 Geoff Keating <geoffk@cygnus.com>
1087 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
1089 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
1091 * reload.c (regno_clobbered_p): Fix thinko in previous change.
1093 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1095 * gcc.1: Document 68hc11 specific options.
1097 2000-09-10 Geoff Keating <geoffk@cygnus.com>
1099 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
1100 (TARGET_LONG_DOUBLE_128): Define.
1101 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
1102 (LONG_DOUBLE_TYPE_SIZE): Redefine.
1103 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1104 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
1105 of __LONG_DOUBLE_128__.
1106 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
1108 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
1109 (CPP_SYSV_DEFAULT_SPEC): Define.
1110 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
1111 (INIT_TARGET_OPTABS): Define.
1113 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
1114 (RS6000_UITRUNC): Likewise.
1115 (INIT_TARGET_OPTABS): New macro.
1116 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
1117 (trunc_defined): Delete.
1118 (output_prolog): Don't output .extern definitions for fp->int
1119 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
1120 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
1121 (trunc_defined): Delete.
1122 (RS6000_ITRUNC): Moved to aix.h.
1123 (RS6000_UITRUNC): Likewise.
1124 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
1125 only emit a libcall.
1126 (fixuns_truncdfsi2): Delete.
1127 (trunc_call): Delete.
1128 (trunc_call_rtl): Delete.
1130 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1132 * varasm.c (make_decl_rtl): Restore leading star on
1133 DECL_ASSEMBLER_NAME set for decls with an asmspec.
1135 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1137 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
1138 won't give a spurious error for '#pragma pack()'. Simplify
1139 control flow for readability. 'reset' action is not necessary.
1141 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1143 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
1144 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
1145 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
1146 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
1148 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
1149 profile.c, sdbout.c, tradcif.y, tree.c:
1150 Include defaults.h if not already included.
1151 Don't define the above macros.
1153 * Makefile.in: Update dependencies.
1155 2000-09-10 Mark Mitchell <mark@codesourcery.com>
1157 * c-common.h (add_stmt): Change prototype.
1158 (RECHAIN_STMTS): New macro.
1159 (CASE_LABEL_DECL): Likewise.
1160 (genrtl_case_label): Change prototype.
1161 (c_expand_start_case): Remove prototype.
1162 (build_case_label): Change prototype.
1163 (decl_constant_value): Declare.
1164 * c-common.c (check_case_value): Handle C++'s extensions to C
1166 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
1168 * c-parse.in (stmt): Adjust handling of return statements and case
1170 * c-semantics.c (add_stmt): Return the new statement.
1171 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
1172 returned expression. Directly generate RTL, rather than calling
1174 (genrtl_switch_stmt): Don't call c_expand_start_case.
1175 (build_case_label): Take the LABEL_DECL as input, too.
1176 (genrtl_case_label): Just call add_case_node.
1177 (expand_stmt): Adjust calls to genrtl_return_stmt and
1179 * c-tree.h (c_expand_start_case): Declare.
1180 * c-typeck.c (decl_constant_value): Give it external linkage.
1181 (c_expand_return): Don't call expand_return or expand_null_return;
1182 use genrtl_return_stmt instead.
1183 * stmt.c (struct nesting): Remove num_ranges field.
1184 (add_case_node): Give it external linkage.
1185 (expand_start_case): Don't set num_ranges.
1186 (expand_start_case_dummy): Don't clear it.
1187 (pushcase): Rely on add_case_node to handle `default' labels.
1188 (add_case_node): Handle `default' labels.
1189 * tree.c (tree_int_cst_compare): New function.
1190 * tree.h (tree_int_cst_compare): Declare.
1191 (add_case_node): Likewise.
1193 2000-09-10 Richard Henderson <rth@cygnus.com>
1195 * c-parse.in: Revert last change.
1196 (init_reswords): Do not enter disabled keywords into the ridpointers
1197 table, modulo objc weirdness.
1198 (_yylex): Return the canonical spelling for a keyword.
1200 2000-09-10 Philip Blundell <philb@gnu.org>
1202 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
1203 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
1205 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
1207 * alias.c (find_base_term): Handle ADDRESSOF.
1208 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
1210 2000-09-10 Denis Chertykov <denisc@overta.ru>
1212 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
1213 outputting templates with many lines.
1215 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1217 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
1218 to decide whether 64-bit support must be generated.
1220 2000-09-10 Richard Henderson <rth@cygnus.com>
1222 * c-parse.in (asm patterns): Fix volatile check.
1224 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1226 * cppmacro.c (check_trad_stringification): New function.
1227 (save_expansion): If -Wtraditional, warn about stringification of
1230 2000-09-11 Michael Hayes <mhayes@cygnus.com>
1232 * loop.h (struct loop_mem_info): Move from loop.c
1233 (struct loop_info): Add fields store_mems, mems, mems_idx,
1234 mems_allocated, unknown_address_altered,
1235 unknown_constant_address_altered, num_mem_sets, and
1236 first_loop_store_insn.
1238 * loop.c (loop_store_mems): Replace with field in loop_info struct.
1239 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
1240 (unknown_address_altered, unknown_constant_address_altered): Likewise.
1241 (num_mem_sets): Likewise.
1242 (replace_loop_mems, replace_loop_regs): New.
1243 (struct loop_replace_args): New.
1244 (load_mems): Use replace_loop_mems.
1245 (try_copy_prop): Use replace_loop_regs.
1246 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
1248 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1250 * configure.in: Recognize m6811-elf and m6812-elf.
1251 * configure: Regenerate.
1253 2000-09-09 Geoff Keating <geoffk@cygnus.com>
1255 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
1258 2000-09-10 Michael Hayes <mhayes@cygnus.com>
1260 * loop.c (struct movables): New.
1261 (num_movables): Move into struct movables.
1262 (the_movables): Change type to struct movables.
1263 (ignore_some_movables): Change struct movable arg to struct movables.
1264 (force_movables, combine_movables, regs_match_p): Likewise.
1265 (rtx_equal_for_loop_p, move_movables): Likewise.
1266 (scan_loop): Change movables to be of type struct movables.
1267 Replace last_movable with field in movables structure.
1269 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
1271 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
1272 (init_pragma): Avoid warning if pfile happens to be unused.
1273 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
1274 define init_pragma to nothing. Always prototype
1275 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
1277 * c-lex.c (process_directive): Always call dispatch_pragma.
1278 Initialize entering_c_header to 0.
1280 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1282 * config/m68hc11/m68hc11.md: New file, machine description for
1284 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
1285 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
1286 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
1287 * config/m68hc11/m68hc11-protos.h: New file.
1288 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
1289 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
1290 * config/m68hc11/xm-m68hc11.h: New file, target defs.
1291 * config/m68hc11/larith.asm: New file, libgcc routines.
1293 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1295 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
1296 (FPBIT_FUNCS): Add _usi_to_sf.
1297 * config/fp-bit.c (usi_to_float): New function.
1298 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
1299 (usi_to_float): Add appropriate #define.
1301 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1303 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
1305 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
1306 * i386.md (attr "type"): Add sse and mmx types.
1307 (attr "memory"): Handle them without a crash.
1308 (movsi_1, movdi_2): Allow MMX regs.
1309 (movdi splits): Don't split moves involving MMX regs.
1310 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
1311 (movv4sf_internal, movv4si_internal, movv8qi_internal,
1312 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
1313 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
1314 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
1315 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
1316 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
1317 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
1318 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
1319 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
1320 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
1321 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1322 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1323 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
1324 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
1325 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1326 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1327 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
1328 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
1329 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
1330 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
1331 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
1332 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1333 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1334 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
1335 mmx_clrdi): New patterns.
1337 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
1339 * arm.c: Don't include tm.h directly.
1341 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
1343 * recog.c (validate_replace_rtx_1): Fix confusion about equality
1344 testing; simplify subregs of constants and nested subregs.
1346 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
1348 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
1350 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1352 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
1354 * rtl.texi (description of USE): Add note about possible pitfalls
1356 From Richard Henderson:
1357 * reload1.c (choose_reload_regs): Compute need_mode properly.
1359 2000-09-07 Richard Henderson <rth@cygnus.com>
1361 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
1362 (__modsi3, __umodsi3): Likewise.
1363 (__udivsi3): Likewise. Normalize the TFmode values.
1365 2000-09-07 Geoff Keating <geoffk@cygnus.com>
1367 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
1369 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
1372 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1374 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
1375 (cmpeqdi_t): Add output pattern.
1376 (cmpeqdi_t+1): Don't split when not optimizing.
1377 Restore proper splitting operation.
1379 2000-09-07 Richard Henderson <rth@cygnus.com>
1381 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
1382 do not call dispatch_pragma.
1384 2000-09-07 Jim Wilson <wilson@cygnus.com>
1386 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
1387 to CLASS_CANNOT_CHANGE_MODE.
1388 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
1389 mode classes are different.
1391 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1393 * cpplib.h (struct cpp_options): Add user_label_prefix member,
1394 left out of commit which removed cppulp.c.
1396 2000-09-07 Richard Henderson <rth@cygnus.com>
1398 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
1399 after switch for CASE_DROPS_THROUGH.
1401 2000-09-07 Richard Henderson <rth@cygnus.com>
1403 * loop.c (strength_reduce): Call check_ext_dependant_givs.
1404 Properly extend the biv initial value for the giv.
1405 (record_biv): Zero ext_dependant.
1406 (record_giv): New argument ext_val. Update all callers.
1407 (general_induction_var): Likewise.
1408 (consec_sets_giv): Likewise.
1409 (simplify_giv_expr): Likewise. Fill in ext_val if we find
1410 a sign-extend, zero-extend, or truncate.
1411 (combine_givs_p): Make sure modes are compatible.
1412 (check_ext_dependant_givs): New.
1413 (extend_value_for_giv): New.
1414 * loop.h (struct induction): Add ext_dependant.
1415 * unroll.c (iteration_info): Extend the biv initial value for the giv.
1416 (find_splittable_givs): Likewise.
1417 (final_giv_value): Likewise.
1419 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1421 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
1422 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
1423 definitions from cpplib.h.
1424 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
1426 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
1427 documentation for REGISTER_TARGET_PRAGMAS.
1429 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
1430 default-pragma callback to implement -Wunknown-pragmas if
1432 * c-parse.in: Move all includes to top of file.
1433 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
1435 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
1437 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
1439 * arm.h, arm-protos.h, arm.c,
1440 c4x.h, c4x-protos.h, c4x.c,
1441 h8300.h, h8300-protos.h, h8300.c,
1442 i370.h, i370-protos.h, i370.c,
1443 i960.h, i960-protos.h, i960.c,
1444 sh.h, sh-protos.h, sh.c,
1445 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
1446 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
1448 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
1449 multiple include guard.
1450 * i370.md (untyped_call): Use GEN_CALL.
1451 (umodsi3): Remove unused variable.
1452 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
1453 * v850.c (output_move_single, output_move_double): Constify
1455 (print_operand): Constify a char *.
1456 * v850.h (struct small_memory_info): Constify name member.
1458 2000-09-07 Kazu Hirata <kazu@hxi.com>
1460 * config/h8300.h: Fix comment typos.
1461 * config/h8300/h8300.md: Likewise.
1462 * config/h8300/lib1funcs.asm: Likewise.
1464 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
1466 * Makefile.in: Remove references to cppulp.{c,o}.
1467 * cppinit.c (initialize_builtins, cpp_start_read,
1468 cpp_handle_option): Update to use cpp_options structure.
1471 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
1473 * c-common.c (time_char_table): Allow %#b and %#h.
1475 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1477 * reorg.c (find_end_label): If the basic block reorder pass moves the
1478 return insn to some other place try to locate it again and put our
1479 end_of_function_label there.
1480 * reorg.c (relax_delay_slots): Check if find_end_label created a
1481 new label that invalidates the current optimazation.
1483 2000-09-07 Catherine Moore <clm@redhat.com>
1485 * unroll.c (unroll_loop): Check for unconditional jumps
1486 to loop continuation. Delete if n_iterations is 1.
1487 (ujump_to_loop_cont): New routine.
1489 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
1491 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
1493 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
1494 to handle multiword modes correctly. All callers and the declaration
1497 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1499 * c-common.h (prep_stmt): Declare.
1500 (lang_expand_stmt): Likewise.
1501 * c-decl.c (lang_expand_stmt): Remove.
1502 * c-semantics.c (lang_expand_stmt): Define.
1503 (prep_stmt): New function.
1504 (expand_stmt): Handle common statement types here.
1506 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
1508 * configure.in (sh-*-linux*): Added.
1509 * configure: Rebuilt.
1510 * config/sh/t-linux: New file.
1511 * config/sh/sh.h (USERMODE_BIT): Define.
1512 (TARGET_USERMODE): Likewise.
1513 (TARGET_SWITCHES): New switches for the bits above.
1514 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
1515 * config/sh/linux.h: New file.
1516 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
1517 underscore on linux.
1518 (L_sdivsi3, L_udivsi3): Define for linux.
1519 (L_ic_invalidate): Define.
1520 * invoke.texi (SH Options): Document -musermode.
1522 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
1524 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
1525 CSE unless generating PIC.
1527 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
1530 2000-09-06 H.J. Lu (hjl@gnu.org)
1532 * Makefile.in (clean_s1): Depend on stage_b.
1533 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
1534 stage2. They are used for "make compare".
1536 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1538 Move statement-tree facilities from C++ to C front-end.
1539 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
1540 (void_zero_node): New macro.
1541 (struct stmt_tree_s): New type.
1542 (stmt_tree): New typedef.
1543 (struct language_function): New type.
1544 (last_tree): New macro.
1545 (last_expr_type): Likewise.
1546 (walk_tree_fn): New typedef.
1547 (current_stmt_tree): New function.
1548 (begin_stmt_tree): Likewise.
1549 (add_stmt): Likewise.
1550 (finish_stmt_tree): Likewise.
1551 (statement_code_p): Likewise.
1552 (lang_statement_code_p): New variable.
1553 (walk_stmt_tree): New function.
1554 (STMT_IS_FULL_EXPR_P): New macro.
1555 * c-common.c (lang_statement_code_p): New variable.
1556 (c_common_nodes_and_builtins): Initialize void_zero_node.
1557 (statement_code_p): New function.
1558 (walk_stmt_tree): Likewise.
1559 * c-decl.c (language_function): Rename to ...
1560 (c_language_function): ... this. Include language_function.
1561 (push_c_function_context): Adjust accordingly.
1562 (pop_c_function_context): Likewise.
1563 (mark_c_function_context): Likewise.
1564 (current_stmt_tree): Define.
1565 * c-semantics.c (begin_stmt_tree): New function.
1566 (add_stmt): Likewise.
1567 (prune_unused_decls): Likewise.
1568 (finish_stmt_tree): Likewise.
1570 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1572 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
1574 2000-09-06 Kazu Hirata <kazu@hxi.com>
1576 * calls.c: Fix formatting.
1578 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
1580 * config/i386/i386.h (ADDRESS_COST): Fix typo.
1582 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1584 Integrated preprocessor.
1586 * Makefile.in: Remove all references to c-parse.gperf,
1587 c-gperf.h, and c-parse.h. Remove -d from yacc command line
1588 generating c-parse.c. Update dependencies.
1589 * c-parse.gperf, c-gperf.h: Delete.
1591 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
1592 yy_lim, or yy_get_token. Don't define get_directive_line if
1594 * c-common.h: Add multiple include guard. Define RID values
1595 for every keyword in C, C++, and Objective C. Put all the
1597 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
1598 * c-decl.c (c_decode_option): Handle -lang-objc here.
1599 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
1600 (grokdeclarator): Adjust for new RID scheme.
1601 (extract_interface_info): New stub.
1602 * c-lang.c: Don't declare yy_cur or parse_options.
1603 (lang_init_options): Call cpp_init. Don't call
1605 (lang_init): Don't call check_newline if USE_CPPLIB.
1607 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
1608 Elide lots of unnecessary code if USE_CPPLIB. Delete code
1609 rendered unnecessary by new architecture. Move routines not
1610 shared with C++ to c-parse.in. Maintain a local idea of the
1611 line number. Handle C++ as well as C.
1612 [USE_CPPLIB]: Declare and register callbacks for #ident and
1613 for entering/leaving files.
1614 (init_c_lex, c_lex): Are now the entry points to this file.
1615 (check_newline): Break out directive handling to
1617 (read_ucs, is_extended_char, utf8_extend_token): Moved here
1619 (readescape, parse_float): Overhaul.
1620 (lex_number, lex_string, lex_charconst): Break out of c_lex
1622 (get_fileinfo, update_header_times, dump_one_header,
1623 dump_time_statistics): New and/or moved here from C++.
1624 Support per-file data needed by C++ and per-header timing
1625 statistics (C++ only, at the moment).
1626 * c-lex.h: Update prototypes. Add multiple include guard.
1627 * c-tree.h (struct lang_identifier): Add rid_code field.
1628 (C_IS_RESERVED_WORD, C_RID_CODE): New.
1630 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
1631 reinit_parse_for_function and/or position_after_white_space.
1632 (save_filename, save_lineno): Look ahead before saving.
1633 (label -> identifier ':'): Save file and line before shifting ':'.
1634 (reservedwords): No need to call get_identifier.
1635 (init_parse, finish_parse, yyerror, yylex, yyprint,
1636 make_pointer_declarator): Are now here for C/ObjC.
1637 (rid_to_yy): Conversion table from RID constants to Yacc codes.
1639 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
1640 #pragma registry. Provide dummy implementation of that
1641 interface if !USE_CPPLIB.
1642 * c-pragma.h: Update to match.
1644 * flags.h: Add multiple include guard.
1645 (flag_detailed_statistics): Moved here from C++.
1646 * toplev.c: Define flag_detailed_statistics.
1648 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
1650 * timevar.def (TV_CPP, TV_LEX): New.
1651 * timevar.h: Add multiple include guard.
1653 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
1655 * objc/objc-act.c: Don't mention yy_cur or parse_options.
1656 Initialize cpplib properly. Force lineno to 0 after first
1657 call to check_newline. Don't handle -lang-objc here.
1658 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
1660 2000-09-06 David Edelsohn <edelsohn@gnu.org>
1662 * rs6000.md: Correct function unit definitions for cr_logical and
1664 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
1665 and use portable method for >=0 and floating point >=. Remove
1666 associated matchers.
1668 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1670 * extend.texi: Mark named return value extension as deprecated.
1672 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1674 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
1677 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
1679 * toplev.c (display_help): Fix thinko in documentation.
1681 * diagnostic.h (output_buffer::indent_skip): New fields.
1682 (output_indentation): New macro.
1684 * diagnostic.c (output_indent): New function.
1685 (output_set_prefix, clear_diagnostic_info): Use.
1686 (output_emit_prefix): Predict future indentation.
1688 2000-09-06 DJ Delorie <dj@redhat.com>
1690 * Makefile.in (stage_*): add more dependencies to ensure parallel
1691 builds build correctly
1693 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
1695 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
1696 not bootstrap-lean_f.
1698 2000-09-06 Andreas Schwab <schwab@suse.de>
1700 * mklibgcc.in: Emit rule for libgcc-stage-start.
1701 * Makefile.in (stage1-start, stage2-start, stage3-start,
1702 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
1704 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
1706 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
1707 (update_equiv_regs): Likewise, except for the mn10200 kludge.
1708 (combine_regs): Likewise.
1710 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
1711 * cse.c: Include "basic-block.h".
1712 (struct table_elt): New field REGCOST.
1713 (CHEAP_REG): Delete macro.
1714 (COST): Return 0 for REGs.
1715 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
1716 (notreg_cost): Return 0 for appropriate SUBREGs.
1717 (COSTS_N_INSNS): Return N * 2.
1718 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
1720 (CHEAPER): Use new function preferrable.
1721 (insert): Initialize REGCOST member.
1722 (find_best_addr): Use approx_reg_cost for estimation of register
1724 (cse_insn): Likewise.
1725 * loop.c (iv_add_mult_cost): New function.
1726 (add_cost, shift_cost, mult_cost): Delete variables.
1727 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
1728 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
1729 Make code that detects autoinc opportunities slightly less optimistic.
1730 (simplify_giv_expr): If expression contains other reg that is also a
1731 giv, only increment benefit if this is the only use of that reg.
1732 (consec_sets_giv): Take that change into account.
1733 (combine_givs): Slightly more verbose output.
1735 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
1736 not the cost of an equivalent shift.
1737 * sh-protos.h (addsubcosts): Declare.
1738 * sh.c (addsubcosts): New function.
1739 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
1740 (RTX_COSTS): Tweak. Use addsubcosts.
1741 (ADDRESS_COST): Return higher cost for reg+reg addressing.
1743 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1745 * config/rs6000/rs6000.c (validate_condition_mode): New function.
1746 (branch_comparison_operator): Call validate_condition_mode to
1747 abort rather than returning 0.
1748 (branch_positive_comparison_operator): New function.
1749 (scc_comparison_operator): Call validate_condition_mode to abort
1750 rather than returning 0.
1751 (ccr_bit): Call validate_condition_mode. Update for
1753 (print_operand): Delete %C modifier. Update %E case
1754 to use EQ bit not SO bit.
1755 (rs6000_reverse_condition): New function.
1756 (rs6000_generate_compare): New function.
1757 (rs6000_emit_sCOND): New function.
1758 (rs6000_emit_cbranch): New function.
1759 (output_cbranch): The length of a long branch insn is
1760 now only 8 bytes. Add validate_condition_mode. Use
1761 rs6000_reverse_condition. Remove cror generation.
1763 * config/rs6000/rs6000.h: Update comments.
1764 (PREDICATE_CODES): Add new predicate. Update codes used
1765 by branch_comparison_operator and scc_comparison_operator.
1766 * config/rs6000/rs6000-protos.h: Add prototypes for
1767 new external functions.
1768 * config/rs6000/rs6000.md: Add new scheduling parameters
1769 for cr_logical instructions. Change length of branch
1771 (bCOND patterns): Call rs6000_emit_cbranch.
1772 (sCOND patterns): Call rs6000_emit_sCOND.
1773 (branch patterns): Change lengths to 4.
1774 (cr logical patterns): New.
1776 2000-09-06 Richard Henderson <rth@cygnus.com>
1778 * config/i386/i386.md (call_pop): Fix test for setting
1779 current_function_uses_pic_offset_table.
1780 (call, call_value_pop, call_value): Likewise.
1782 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1784 * timevar.c (timevar_add): Delete.
1785 (timevar_get): Also count time since the selected timer was
1786 last updated. Do not examine the timevar stack if the
1787 selected timer is standalone.
1789 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1791 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
1793 2000-09-05 Jason Merrill <jason@redhat.com>
1795 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
1796 for 'extern' arrays.
1798 2000-09-05 Richard Henderson <rth@cygnus.com>
1800 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
1801 Eliminate final copy from non-trapping case.
1802 (__divdf3, __divsf3): Likewise.
1804 2000-09-05 Richard Henderson <rth@cygnus.com>
1806 * config/ia64/ia64.md (mulhi3): Fix typo last change.
1807 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
1809 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
1811 * Makefile.in: Restructure bootstrap stages to allow clean
1812 restart after failure.
1814 2000-09-05 Richard Henderson <rth@cygnus.com>
1816 * config/ia64.md (movsi and movdi patterns): Allow moves from
1817 8-bit constants to AR registers.
1819 2000-09-05 Richard Henderson <rth@cygnus.com>
1821 * config/ia64/ia64.md (mulhi3): New.
1823 2000-09-05 Richard Henderson <rth@cygnus.com>
1825 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
1826 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
1827 Optimization Guide, minimum latency alternative.
1828 (__moddi3, __udivdi3, __umoddi3): Likewise.
1829 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
1831 2000-09-05 Bruce Korb <bkorb@gnu.org>
1833 * fixinc/fixincl.c (load_file): always read header files
1834 with sizes that are a multiple of the page size.
1835 & use libiberty's getpagesize for determining that.
1837 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
1839 * gcse.c (hash_string_1): Add prototype.
1840 * cse.c (canon_hash_string): Likewise.
1842 2000-09-04 Craig Newell <CraigN@ieee.org>
1844 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
1846 2000-09-04 Andreas Schwab <schwab@suse.de>
1848 * Makefile.in (STAGESTUFF): Remove libgcc.
1849 (stage1-start, stage2-start, stage3-start): Copy the contents of
1850 the libgcc directory explicitly.
1851 (mostlyclean): Clean libgcc.
1853 2000-09-04 Andrew Haley <aph@redhat.com>
1855 * dwarf2out.c: (stack_adjust_offset): New prototype.
1857 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
1859 * combine.c (make_extraction): Fix rtx_cost comparison to
1862 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
1864 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
1865 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
1866 Add '*' to insn pattern name.
1868 2000-09-04 Jakub Jelinek <jakub@redhat.com>
1870 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
1871 use posn - 1 to index into tokens array.
1872 (maybe_paste_with_next): Adjust caller.
1874 2000-09-03 Geoff Keating <geoffk@cygnus.com>
1876 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
1878 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
1879 (REGNO_REG_CLASS): Use symbolic register
1882 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
1884 * arm.c (final_prescan_insn): If the form of a jump insn isn't
1885 recognized, don't try to conditionally execute it.
1887 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
1889 * config/avr/avr.md ("*tablejump_lib"): New pattern.
1890 (call_value_insn): Right length claculation.
1891 (call_insn): Likewise.
1893 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
1895 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
1896 gas_output_limited_string, gas_output_ascii, output_movqi,
1897 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
1898 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
1899 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
1900 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
1901 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
1902 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
1903 Add "const" as needed to remove warnings.
1905 * config/avr/avr.c (avr_override_options, avr_init_once,
1906 function_prologue, function_epilogue, frame_pointer_required_p,
1907 class_likely_spilled_p, order_regs_for_local_alloc,
1908 avr_address_cost, avr_ret_register): Use K&R style arguments.
1909 (initial_elimination_offset, gas_output_limited_string):
1910 Remove ATTRIBUTE_UNUSED from the used arguments.
1911 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
1912 Use local variables src, dest, base to access operands[].
1913 Rename reg_dest to reg_src if that's what it is.
1914 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
1915 constants to LD_REGS if reg_was_0.
1916 (output_reload_insisf): Change arg 3 to insn length and set it.
1917 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
1918 access to 16-bit I/O register pairs.
1919 (avr_address_cost): Lower cost for the above case.
1920 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
1921 may be clobbered, also for LD_REGS.
1922 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
1925 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
1927 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
1928 macro to test_hard_reg_class function.
1929 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
1930 for loading immediate constants to LD_REGS.
1931 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
1934 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
1936 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
1937 * config/avr/libgcc.S: Lost part of the previous patch.
1939 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1941 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
1942 object before calling pthread_mutex_init.
1944 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
1946 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
1947 config/sh/crtn.asm: New files.
1948 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
1949 (crt1.o, crti.o, crtn.o): New targets.
1950 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
1952 * configure: Rebuilt.
1953 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
1954 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
1955 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
1956 Undefine for config/elfos.h to redefine.
1957 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
1959 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
1961 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
1962 legitimize_pic_address, output_pic_addr_const): Declare.
1963 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
1964 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
1965 (TARGET_SWITCHES): New switch -mprefergot.
1966 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
1967 (PIC_OFFSET_TABLE_REGNUM): Define.
1968 (GOT_SYMBOL_TABLE): Likewise.
1969 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
1970 (ENCODE_SECTION_INFO): Define.
1971 (FINALIZE_PIC): New macros.
1972 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
1973 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
1974 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
1975 (prepare_move_operands): Call emit_pic_move or
1976 emit_pic_const_move if appropriate.
1977 (output_far_jump): For PIC, use braf and output long offset.
1978 (machine_dependent_reorg):
1979 (sh_expand_prologue): Save and initialize the PIC register.
1980 (sh_expand_epilogue): Restore it.
1981 (initial_elimination_offset): Account for it.
1982 (nonpic_symbol_mentioned_p): New function.
1983 (legitimize_pic_address): Likewise.
1984 (output_pic_addr_const): Likewise.
1985 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
1986 (call, call_value): Use them.
1987 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
1988 symPLT_label2reg): New expands.
1989 * invoke.texi (SH Options): Document -mprefergot.
1991 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
1993 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
1994 * gcse.c (hash_string_1): New function.
1995 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
1996 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
1997 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
1998 (canon_hash_string): New function.
1999 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2000 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2001 (fold_rtx): Use ASM_OPERANDS accessor macros.
2002 * emit-rtl.c (copy_insn_1): Likewise.
2003 * integrate.c (copy_rtx_and_substitute): Likewise.
2004 * stmt.c (expand_asm_operands): Likewise. Give an
2005 ASM_OPERANDS rtx the mode of the output reg being set from it.
2007 2000-09-01 Fred Fish <fnf@be.com>
2009 * fix-header.c (write_rbrac): Add putc and getc to list of
2010 functions to protect against prior definition as a macro.
2012 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2014 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2015 (c_size_type_node): Define.
2016 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2017 * c-common.c (enum format_lengths, enum format_std_version,
2018 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2019 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2020 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2021 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2022 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2023 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2024 format_types): Define.
2025 (format_char_info, print_char_table, scan_char_table,
2026 time_char_table): Rearrange for new organization of information
2027 about format length modifiers and standard versions.
2028 (T_ST): Redefine to use c_size_type_node.
2029 (check_format_info): Obtain information about length modifiers and
2030 standard versions from tables. Adjust warning message wordings.
2031 Use the name from the user's program for `ll' and `hh' length
2032 modifiers in warning messages. Use more informative names for
2033 wanted types where available (for wchar_t, wint_t, size_t, signed
2034 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2036 2000-09-01 Jim Wilson <wilson@cygnus.com>
2038 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2039 * combine.c (distribute_notes): Handle REG_NORETURN.
2040 * rtl.c (reg_note_name): Add REG_NORETURN.
2041 * rtl.h (enum reg_note): Likewise.
2043 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2045 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2046 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2047 (emit_predicate_relation_info): Handle conditional calls with
2049 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
2050 instead of ia64_file_start.
2051 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
2052 * config/ia64/ia64.md (safe_across_calls_all,
2053 save_across_calls_normal): New patterns.
2055 * loop.c (check_final_value): Check for biv use before checking for
2056 giv use. Check for both biv and giv uses. Always set last_giv_use
2057 if there is a giv use.
2059 2000-09-01 Richard Henderson <rth@cygnus.com>
2061 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
2062 (madddi3): Likewise.
2065 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2067 * expr.c (clear_storage): Don't use emit_move_insn unless
2068 either BLKmode or proper size.
2069 (store_constructor): Don't call clear_storage if REG of wrong size.
2071 * flow.c (init_propagate_block_info): Don't mark frame dead at end
2072 of function if returns wiht stack pointer depressed.
2074 2000-09-01 Andrew Haley <aph@redhat.com>
2076 * dwarf2out.c (stack_adjust_offset): New function.
2077 (dwarf2out_stack_adjust): Break out stack adjust logic into
2078 new stack_adjust_offset function. Look inside parallels and
2079 sequences for stack adjustments.
2081 2000-08-31 Jeff Law <law@cygnus.com>
2083 * arm.md: Use no_new_pseudos to determine when it is safe
2084 to create new pseudo registers.
2086 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
2087 when we can safely allocate new registers.
2089 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
2091 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
2092 so that CONCATs are not generated for ASMs.
2093 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
2094 not generating_concat_p.
2095 * function.c (pop_function_context_from): Reset
2096 generating_concat_p.
2097 (prepare_function_start): Likewise.
2098 * rtl.c (generating_concat_p): Define.
2099 * rtl.h (generating_concat_p): Declare.
2100 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
2102 2000-08-22 Philipp Thomas <pthomas@suse.de>
2103 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
2105 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
2108 2000-08-30 Greg McGary <greg@mcgary.org>
2110 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
2111 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
2112 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
2114 2000-08-30 Greg McGary <greg@mcgary.org>
2116 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
2117 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
2118 (TREE_INT_CST): New macro.
2119 * varasm.c (const_hash, compare_constant_1, record_constant_1):
2120 Use new macro TREE_INT_CST.
2122 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
2124 * contrib.texi: Add self.
2126 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
2128 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
2129 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
2132 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2134 * fixinc/gnu-regex.c: Don't define `const'.
2136 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2138 * expr.c (store_constructor): Allow variable bounds of array type.
2139 (expand_expr): Don't blow up if type is ERROR_MARK.
2140 * varasm.c (output_constructor): Don't access lower bound of array
2141 type unless need it if index is supplied (so it can be a variable
2142 if no index is supplied).
2143 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
2144 Other minor cleanups.
2146 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2148 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
2149 for compilations in stage 1 and subsequent stages, respectively.
2150 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
2151 * configure: Rebuilt.
2152 * x-vax, x-vax-gcc: Deleted.
2154 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2156 * c-common.c (declare_function_name): Use func_id_node,
2157 function_id_node, and pretty_function_id_node. Do not make
2158 __func__ visible at file scope.
2159 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
2160 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
2161 (function_id_node, pretty_function_id_node, func_id_node): New
2163 * c-decl.c (init_decl_processing): Initialize function_id_node,
2164 pretty_function_id_node, and func_id_node.
2165 (c_make_fname_decl): Correct comment.
2167 * tree.h (struct tree_identifier): Constify pointer member.
2169 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
2170 * c-pragma.h (struct weak_syms): Constify name and value members.
2171 (add_weak): Constify arguments.
2173 * calls.c (special_function_p): Constify a char *.
2174 (expand_call): Remove variable which is initialized and then
2176 * dependence.c (struct def_use, struct induction, struct subscript):
2177 Constify 'variable' member.
2178 (get_low_bound, have_induction_variable): Constify char * argument.
2179 (find_induction_variable): Add braces to avoid dangling else.
2180 (classify_dependence): Constify char * arrays.
2181 * profile.c (output_func_start_profiler): Constify a char *.
2182 * stor-layout.c (finalize_record_size): Constify a char *.
2183 * tree.c (is_attribute_p): Constify a char *.
2184 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
2186 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
2187 for comprehensibility. Do not call get_identifier if we did
2188 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
2189 create temporary string constants, not ggc_alloc_string. No
2190 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
2191 char * to hold IDENTIFIER_POINTERs.
2193 2000-08-29 Richard Henderson <rth@cygnus.com>
2195 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
2198 2000-08-29 Richard Henderson <rth@cygnus.com>
2200 * reload.c (push_secondary_reload): Allow class == reload_class
2201 if we're using a reload_in/out pattern.
2203 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
2204 the half that does not conflict with the reload register.
2205 (reload_outti): Likewise.
2207 2000-08-29 Kazu Hirata <kazu@hxi.com>
2209 * reload.c: Fix formatting.
2211 * stmt.c: Fix formatting.
2213 * gcc.c: Fix formatting.
2215 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2217 * flags.h (time_report, mem_report): New global flags.
2218 * toplev.c: Define time_report and mem_report.
2219 (f_options): Add -ftime-report and -fmem-report.
2220 (compile_file): Turn on time_report if quiet_flag is off.
2221 Call ggc_print_statistics at very end if mem_report is on.
2222 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
2224 * ggc-common.c (ggc_print_statistics): Rename to
2225 ggc_print_common_statistics; all callers changed. Scale
2226 quantities above 10K to kilobytes and above 10M to megabytes.
2227 * ggc-page.c (ggc_page_print_statistics): Rename to
2228 ggc_print_statistics. Report memory consumed by internal data
2229 structures for each allocation bucket. Scale quantities above
2230 10K to kilobytes and above 10M to megabytes.
2231 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
2232 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
2233 Define tally_leaves always.
2234 (ggc_print_statistics): New function.
2235 * ggc.h: Adjust for renamed functions.
2237 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
2239 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
2240 output_movsisf instead of which_alternative.
2242 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
2244 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2246 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
2247 (avr_progmem_p): New prototype.
2248 (output_movsisf): Prototype declaration changed.
2249 (output_movqi): New prototype.
2250 (output_movhi): New prototype.
2251 (call_insn_operand): Likewise.
2252 (final_prescan_insn): Likewise.
2253 (avr_simplify_comparision_p): Likewise.
2254 (avr_normalize_condition): Likewise.
2255 (compare_eq_p): Likewise.
2256 (out_shift_with_cnt): Likewise.
2257 (const_int_pow2_p): Likewise.
2258 (output_reload_inhi): Prototype declaration changed.
2260 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
2261 (ldi_reg_rtx): New. rtx for r31.
2262 (avr_init_stack): Initialize as "__stack".
2263 (function_prologue): Use it.
2264 Replace all TARGET_ENHANCED with AVR_ENHANCED.
2265 (avr_mcu_name): Initialize as "avr2".
2266 (avr_enhanced_p, avr_mega_p): New variables.
2267 (mcu_types, avr_override_options): Handle all known MCU types.
2268 Also handle avr1 (only preprocess, assemble and link).
2269 (print_operand): Using of `%K' in output template removed.
2270 (out_movqi_r_mr): Optimized.
2271 (out_movhi_r_mr): Likewise.
2272 (output_movqi): New function.
2273 (output_movhi): Likewise.
2274 (out_movsi_r_mr): Optimized.
2275 (output_movsisf): Compute insn length for `adjust_insn_length'
2276 (out_movqi_mr_r): Optimized.
2277 (out_movhi_mr_r): Optimized.
2278 (adjust_insn_length): Use output_movsisf, output_movqi,
2279 output_movhi for insn length adjusting.
2280 (reg_unused_after): Use dead_or_set_p.
2281 (preferred_reload_class): Now havn't any restriction.
2282 (reg_was_0): New function.
2283 (io_address_p): Likewise.
2284 (const_int_pow2_p): Likewise.
2285 (output_reload_inhi): Likewise.
2286 (output_reload_insisf): Likewise.
2288 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
2289 (LIB_SPEC): Use -lc for all supported devices.
2290 (LIBGCC_SPEC): Use -lgcc for all supported devices.
2291 (AVR_MEGA): Define as avr_mega_p.
2292 (AVR_ENHANCED): New, define as avr_enhanced_p.
2293 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
2294 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
2295 (CRT_BINUTILS_SPECS): Handle all known MCU types.
2296 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
2297 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
2298 (ASM_SPEC): Pass -mmcu=... to the assembler.
2299 Change all -DAVR_* to -D__AVR_*__.
2300 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
2301 Rename library functions to start with two underscores.
2302 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
2304 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
2305 (SUPPORTS_WEAK): Likewise.
2306 (LDI_REG_REGNO): New. Register r31 will be used as temporary
2307 register for loading constants to r0-r14.
2309 * config/avr/avr.md: Replace all TARGET_ENHANCED with
2311 (*mov_r_sp): Removed. Handled by output_movhi.
2312 (*mov_sp_r): Likewise.
2313 (*mov_sp_r_no_interrupts): Likewise
2314 (*mov_sp_r_tiny): Likewise.
2315 (*movqi): Use output_movqi.
2316 (*reload_inqi): New.
2317 (*movhi): Use output_movhi.
2318 (*reload_inhi): New.
2319 (*negsi2): Optimized.
2320 (*negsf2): Likewise.
2321 Added peepholes (define_peephole2) for loading constants to r0-r14
2322 and for using `cpse' command.
2324 * config/avr/libgcc.S: Rename library functions to start with two
2326 Add support for enhanced core.
2327 (_moqhi3): Fix typo, now _modqi3.
2328 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
2329 (__prologue_saves__): Remove test for stack adjust by 0.
2330 (__tablejump__): New.
2332 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
2333 Add multilib support.
2335 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
2337 * loop.c (prescan_loop): Don't check unknown_address_altered
2338 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
2339 to loop_store_mems as necessary.
2340 (loop_invariant_p): Don't check unknown_address_altered
2341 or unknown_constant_address_altered.
2343 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2345 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
2347 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2349 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
2350 print just the filename.
2351 * cpplex.c (_cpp_run_directive): Add additional argument, the
2352 name to give the synthetic buffer. This defaults to
2353 translated "<command line>".
2354 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
2356 (_cpp_define_builtin): New function.
2357 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
2358 * cpphash.h: Update prototypes.
2360 * tradcpp.c (main): Process -D and -U simultaneously, in the
2361 order they appeared on the command line.
2363 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2365 * c-decl.c (define_label): Call warning_with_file_and_line and
2366 error_with_file_and_line instead of plain warning or error.
2368 * c-parse.in (label): Use save_filename/save_lineno to ensure
2369 correct values for calls to define_label.
2371 2000-08-29 Mark Mitchell <mark@codesourcery.com>
2373 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
2375 * expr.c (expand_expr, case TARGET_EXPR): Don't call
2377 * tree.h (get_file_function_name): Remove two duplicate
2380 2000-08-28 Kazu Hirata <kazu@hxi.com>
2382 * tree.c: Fix formatting.
2384 * xcoffout.c: Fix formatting.
2386 2000-08-28 Jason Merrill <jason@redhat.com>
2388 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
2390 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2392 * dwarf2out.c (dwarf2out_finish): Don't bother calling
2393 break_out_includes if it won't do anything.
2395 2000-08-28 Richard Henderson <rth@cygnus.com>
2397 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
2398 (find_reloads): Likewise.
2399 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
2400 (reload_inhi): Likewise.
2402 2000-08-28 Richard Henderson <rth@cygnus.com>
2404 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
2405 (call_insn_operand): Don't expect a surrounding mem.
2406 (constant_call_address_operand): Likewise.
2407 * config/i386/i386.h (PREDICATE_CODES): Update.
2408 * config/i386/i386.md (call patterns): Move the match_operand
2409 for the call destination inside the mem.
2411 2000-08-28 Richard Henderson <rth@cygnus.com>
2413 * local-alloc.c (requires_inout): Don't use reserved range for
2414 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
2415 * recog.c (asm_operand_ok): Likewise.
2416 (preprocess_constraints, constrain_operands): Likewise.
2417 * regclass.c (record_reg_classes): Likewise.
2418 * reload.c (find_reloads): Likewise.
2419 * reload1.c (maybe_fix_stack_asms): Likewise.
2420 (reload_cse_simplify_operands): Likewise.
2421 * stmt.c (expand_asm_operands): Likewise.
2423 * md.texi: Update constraints documentation.
2424 * tm.texi (EXTRA_CONSTRAINT): Update.
2426 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2428 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
2429 (print_die): If we don't know the offset of the
2430 target die, try the symbol. Add a trailing newline.
2431 (reverse_all_dies): New fn.
2432 (dwarf2out_finish): Call it.
2433 (break_out_includes): Reorganize for clarity.
2434 (add_sibling_attributes): Don't call reverse_die_lists.
2435 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
2437 * flags.h: Add flag_eliminate_dwarf2_dups.
2438 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
2440 2000-08-28 Jason Merrill <jason@redhat.com>
2442 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
2443 * dwarf2out.c: #include "md5.h".
2444 (DIE_LABEL_PREFIX): New macro.
2445 (dw_val_struct): Add 'external' flag to val_die_ref.
2446 (add_AT_die_ref, AT_ref): Adjust.
2447 (AT_ref_external, set_AT_ref_external): New fns.
2448 (build_abbrev_table): Call set_AT_ref_external.
2449 (value_format): Call AT_ref_external.
2450 (die_struct): Add die_symbol field.
2451 (new_die): Clear it.
2452 (dwarf_tag_name): Handle BINCL/EINCL.
2453 (dwarf2out_start_source_file): Add BINCL DIE.
2454 (dwarf2out_end_source_file): Add EINCL DIE.
2455 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
2456 (loc_checksum, attr_checksum, die_checksum): New fns.
2457 (is_type_die, is_comdat_die, is_symbol_die): New fns.
2458 (compute_section_prefix, assign_symbol_names): New fns.
2459 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
2460 (output_die): Call output_die_symbol and AT_ref_external.
2461 (output_comdat_comp_unit): New fn, split out from...
2462 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
2464 (output_pubnames, output_aranges): Abort if we see entries from
2466 * toplev.h: Declare file_name_nondirectory.
2467 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
2468 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
2469 (debug_start_source_file): Call dwarf2out_start_source_file
2470 regardless of debug verbosity.
2471 (debug_end_source_file): Similarly.
2472 * tree.h: Declare clean_symbol_name.
2473 * tree.c (clean_symbol_name): Split out from...
2474 (get_file_function_name_long): ...here.
2476 * dwarf2out.c (new_loc_descr): Use calloc.
2477 (splice_child_die): Remove the die from the right parent.
2478 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
2480 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2482 * toplev.c (decode_g_option): Don't give warning for unknown -g
2483 option; return 0 instead.
2484 (main): If -g option is not recognized by front end or
2485 language-independent code, give warning.
2487 2000-08-28 Greg McGary <greg@mcgary.org>
2489 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
2490 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
2491 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
2493 2000-08-27 Greg McGary <greg@mcgary.org>
2495 * cpplex.c (parse_string): Don't look for backslash
2496 before first char in `namebuf'.
2497 * loop.c (strength_reduce): Skip NOTEs.
2499 2000-08-27 Jason Merrill <jason@redhat.com>
2501 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
2502 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
2503 TREE_ASM_WRITTEN, either.
2504 (finish_decl): Adjust.
2506 2000-08-28 Philipp Thomas <pthomas@suse.de>
2508 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
2509 they have been incorporated into the gettext CVS. Change the text to
2510 reflect the current status of NLS. Add instructions for accessing
2511 the gettext CVS and add the patch from Martin v. Loewis.
2513 2000-08-27 Geoff Keating <geoffk@cygnus.com>
2515 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
2516 by using gen_lowpart_common.
2517 (movdi_internal64+6): Likewise.
2519 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
2521 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
2524 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
2525 numbers to the ranges used by GDB.
2527 2000-08-25 Richard Henderson <rth@cygnus.com>
2529 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
2530 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
2531 (ia64_expand_prologue): Likewise.
2532 (ia64_setup_incoming_varargs): Set it. Properly skip the current
2533 argument for stdargs.
2535 2000-08-25 Jason Merrill <jason@redhat.com>
2537 * integrate.c (expand_inline_function): Pull out the original decl.
2539 2000-08-25 Jim Wilson <wilson@cygnus.com>
2541 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
2543 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
2545 2000-08-25 Greg McGary <greg@mcgary.org>
2547 * flow.c (dump_edge_info): Use ARRAY_SIZE.
2548 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
2550 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
2552 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
2554 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
2556 * i386.c (ix86_find_base_term): New.
2557 * i386-protos.h (ix86_find_base_term): Prototype.
2558 * i386.h (FIND_BASE_TERM): Define.
2559 * alias.c (find_base_term): Use it.
2560 * tm.texi (FIND_BASE_TERM): Document it.
2562 * alias.c (true_dependence, write_dependence_p): Unchanging
2563 memory can't conflict with non-unchanging memory.
2565 * alias.c (memrefs_conflict_p): A BLKmode reference
2566 to a symbol (or CONST_INT address) always conflicts
2567 with a reference to another symbol.
2569 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
2571 * c-common.c (time_char_table): Don't allow width and flags with
2574 2000-08-25 Jakub Jelinek <jakub@redhat.com>
2576 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
2577 way as LT and LTU when the second operand has 0 in low word.
2579 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2581 * basic-block.h (struct loop): Rename `exits' field to
2582 `exit_edges'. Add `entry_edges' and `num_entries' fields.
2584 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
2585 (flow_loop_entry_edges_find): Add.
2586 (flow_edge_list_print): Rename from flow_exits_print.
2587 (flow_loops_find): Call flow_loop_entry_edges_find.
2588 (flow_loop_dump): Dump entry_edges list.
2589 (flow_loops_free): Free entry_edges.
2591 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2593 * loop.c (loop_dump_aux, debug_loop): New functions.
2594 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
2596 * flow.c (flow_loops_dump): Add callback parameter.
2597 (flow_loop_dump): Add callback parameter and call it. Move
2598 loop note debugging code to loop_dump_aux.
2600 * basic-block.h (flow_loop_dump): Add callback parameter
2601 (flow_loops_dump): Likewise.
2603 * toplev.c (rest_of_compilation): Add NULL callback function pointer
2604 to call to flow_loops_dump.
2606 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2608 * loop.c (count_loop_regs_set): Replace start and end arguments
2609 with loop argument. All callers udated.
2611 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2613 * loop.c (constant_high_bytes): Delete.
2615 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2617 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
2618 and NOTE_INSN_LOOP_VTOP to...
2619 (find_and_verify_loops) ...here.
2621 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
2623 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
2624 (fini_dummy, init_dummy): Use it.
2626 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
2628 * cpplex.c (is_macro_disabled): Caller has already checked
2629 that we're not a preprocessed file.
2631 2000-08-24 Mark Mitchell <mark@codesourcery.com>
2633 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
2634 (c-iterate.o): Remove target.
2635 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
2636 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
2637 (finish_decl): Don't handle iterators.
2638 (grokdeclarator): Likewise.
2639 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
2640 * gcc/c-gperf.h: Regenerated.
2641 * gcc/c-iterate.c: Removed.
2642 * gcc/c-lex.c (init_lex): Don't handle iterators.
2643 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
2644 (compstmt_primary_start): Remove push_iterator_stack call.
2645 (stmt): Don't allow iterator statements. Replace iterator_expand
2646 with expand_expr_stmt.
2647 (all_iter_stmt): Remove.
2648 (all_iter_stmt_simple): Likewise.
2649 (all_iter_stmt_with_decl): Likewise.
2650 * gcc/c-tree.h (ITERATOR_P): Remove.
2651 (ITERATOR_BOUND_P): Likewise.
2652 (init_iterators): Remove declaration.
2653 (iterator_expand): Likewise.
2654 (iterator_for_loop_start): Likewise.
2655 (iterator_for_loop_end): Likewise.
2656 (iterator_for_loop_record): Likewise.
2657 (push_iterator_stack): Likewise.
2658 (pop_iterator_stack): Likewise.
2659 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
2660 (readonly_warning): Likewise.
2661 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
2663 2000-08-24 Jim Wilson <wilson@cygnus.com>
2665 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
2666 Copy type in a TYPE_DECL, just like pushdecl does.
2668 2000-08-24 Richard Henderson <rth@cygnus.com>
2670 * toplev.c (main): Enable flag_reorder_blocks at -O2.
2672 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2674 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
2675 asked for one page, allocate GGC_QUIRE_SIZE of them and put
2676 the extras on the free list.
2677 (release_pages): Clean up.
2678 (ggc_set_mark): Don't adjust G.allocated here...
2679 (sweep_pages): ... do it here.
2681 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2683 * cppfiles.c (read_include_file): Rearrange initializations.
2685 2000-08-24 Richard Henderson <rth@cygnus.com>
2687 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
2689 * config/ia64/ia64-protos.h: Update.
2690 * config/ia64/ia64.c (gr_register_operand): New.
2691 (fr_register_operand, grfr_register_operand): New.
2692 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
2693 (grfr_reg_or_8bit_operand): New.
2694 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
2695 use gr_register_operand.
2696 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
2697 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
2698 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
2699 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
2700 (fr_reg_or_fp01_operand): Likewise.
2701 (not_postinc_memory_operand): New.
2702 (ia64_split_timode): Remove unused variables.
2703 (rtx_needs_barrier): Check arguments to cmpxchg.
2704 (builtin_description): Remove.
2705 (bdesc_2argsi, bdesc_2argdi): Remove.
2706 (ia64_init_builtins): Declare all builtins directly.
2707 (ia64_expand_fetch_and_op): Rewrite to be called from
2708 ia64_expand_builtin directly. Use expand_binop and co.
2709 (ia64_expand_op_and_fetch): Likewise.
2710 (ia64_expand_compare_and_swap): Likewise.
2711 (ia64_expand_binop_builtin): Remove.
2712 (ia64_expand_lock_test_and_set): New.
2713 (ia64_expand_lock_release): New.
2714 (ia64_expand_builtin): Use them.
2715 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
2716 (EXTRA_CONSTRAINT): Use it.
2717 (PREDICATE_CODES): Update.
2718 * config/ia64/ia64.md (*): Use gr_register_operand and co.
2719 (mf): Indicate that we set memory as well as use it.
2720 (fetchadd_acq_si): Show memory being modified as well.
2721 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
2722 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
2723 (lock_test_and_set_si, lock_test_and_set_di): Remove.
2724 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
2725 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
2726 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
2727 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
2728 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
2729 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
2730 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
2731 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
2732 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
2733 return type. Pretty print definitions.
2735 2000-08-24 Jim Wilson <wilson@cygnus.com>
2737 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
2738 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
2740 2000-08-24 Jason Merrill <jason@redhat.com>
2742 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
2743 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
2744 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
2745 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
2747 2000-08-24 Greg McGary <greg@mcgary.org>
2749 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
2750 and extendtab within their proper array boundaries.
2751 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
2752 for the entire array.
2754 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
2755 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
2756 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
2757 * config/fr30/fr30.c (fr30_print_operand): Likewise.
2758 * config/i386/dgux.c (output_options): Likewise.
2759 * config/i386/dgux.h (ASM_FILE_START): Likewise.
2760 * config/m88k/m88k.c (output_options): Likewise.
2761 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
2762 * config/mcore/mcore.c (mcore_output_inline_const_forced,
2763 layout_mcore_frame, handle_structs_in_regs): Likewise.
2764 * config/mips/mips.c (output_block_move): Likewise.
2765 * config/rs6000/rs6000.c (rs6000_override_options,
2766 rs6000_file_start): Likewise.
2767 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
2768 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
2769 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
2770 * builtins.c (expand_builtin_setjmp): Likewise.
2771 * expr.c (safe_from_p): Likewise.
2772 * flow.c (life_analysis): Likewise.
2773 * fold-const.c (size_int_type_wide): Likewise.
2774 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
2775 * genattrtab.c (make_length_attrs): Likewise.
2776 * genopinit.c (gen_insn): Likewise.
2777 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
2778 * global.c (global_alloc): Likewise.
2779 * local-alloc.c (find_free_reg): Likewise.
2780 * mips-tdump.c (print_symbol): Likewise.
2781 * mips-tfile.c (parse_def, parse_input): Likewise.
2782 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
2783 * stmt.c (expand_nl_goto_receiver): Likewise.
2784 * stor-layout.c (set_sizetype): Likewise.
2785 * varasm.c (decode_reg_name): Likewise.
2786 * toplev.c (decode_f_option, decode_W_option,
2787 set_target_switch, print_switch_values): Likewise.
2788 (NUM_ELEM): Remove macro.
2789 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
2791 2000-08-24 Greg McGary <greg@mcgary.org>
2793 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
2794 (MAIN_NAME_P, main_identifier_node): New macros.
2795 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
2796 * c-decl.c (start_decl, grokdeclarator, start_function,
2797 store_parm_decls, finish_function): Use MAIN_NAME_P.
2798 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
2799 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
2800 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
2801 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
2803 2000-08-24 Greg McGary <greg@mcgary.org>
2805 * cppfiles.c (actual_directory): Don't write beyond `dir'
2806 when it contains "".
2807 * real.c (asctoeg): Stay within bounds of etens[][].
2809 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2811 * dependence.c (dependence_string, direction_string,
2812 dump_one_node, dump_node_dependence): Hide unused identifiers.
2813 (get_low_bound, normalize_coefficients): Match definition to
2815 (get_one_coefficient): Initialize variables `value0_is_idx' and
2817 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
2818 (ziv_test): Delete variable `idx', use parameter `sub' instead.
2819 (direction_merge): Avoid automatic aggregate initialization.
2820 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
2821 Initialize variables `dest_idx' and `src_idx'.
2822 (end_dependence_analysis): Avoid C89 style function definition.
2824 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
2826 * c-common.c (time_char_table): Don't allow width with %F.
2827 (check_format_info): Don't allow "Z" length with scanf.
2829 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
2831 * diagnostic.c (finish_diagnostic): Define.
2832 (output_do_printf): Use wrap_text instead of output_add_string.
2833 (default_print_error_function): Avoid embedded '\n'.
2835 * diagnostic.h (flush_diagnostic_buffer): Declare.
2837 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
2839 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
2841 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
2843 * Makefile.in (GCC_PASSES): Add specs.
2845 2000-08-23 Jim Wilson <wilson@cygnus.com>
2847 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
2848 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
2849 EHANDLER nor UHANDLER bit is set.
2850 (__get_except_table): Likewise.
2852 2000-08-23 Nick Clifton <nickc@redhat.com>
2854 * config/arm/lib1funcs.asm: Replace upper case condition codes
2855 with lower case versions.
2857 * config/arm/arm.h (STRUCT_VALUE): Define.
2858 (STRUCT_VALUE_REGNUM): Delete.
2860 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
2862 * cpphash.h (IN_I): New flag for directive table.
2863 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
2865 (_cpp_check_directive): If -fpreprocessed, execute directives
2866 marked with IN_I. Issue no warnings in this case.
2867 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
2869 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
2871 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
2873 (check_format_info): Support printf 'I' flag; warn about it with
2876 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
2878 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
2879 barrier can't be ignored by the alias analysis code.
2881 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
2883 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
2884 works inside fixincl.
2886 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
2888 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
2889 simplify_relational_operation() unless both operands are of
2891 * cse.c (fold_rtx): Likewise.
2893 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
2895 * rtlanal.c (rtx_unstable_p): The pic register is stable
2896 (within one function) and the actual rtx should be used
2897 when checking the registers.
2898 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
2900 * alias.c (true_dependence, write_dependence_p): Fix
2901 bug in previous patch.
2903 * i386.c (ix86_GOT_alias_set): New.
2904 (legitimize_pic_address): Use it.
2906 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
2907 only stable if its address is stable.
2908 (rtx_varies_p): An unchanging MEM can't vary if
2909 its address doesn't vary.
2911 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2913 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
2915 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2917 * vax.h (ASM_SPEC): Pass `-J' to assembler.
2918 * x-vax-gcc: New file for bootstrapping with gcc.
2919 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
2920 * configure.in: Use x-vax-gcc with gcc.
2921 * configure: Rebuilt.
2923 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2925 * toplev.c (rest_of_compilation): Rebuild label notes after
2926 post-reload splitting pass if new labels have been created.
2928 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
2930 * diagnostic.h (output_buffer_state): New macro.
2931 * diagnostic.c (diagnostic_for_decl, sorry,
2932 default_print_error_function, output_do_verbatim,
2933 report_diagnostic, report_problematic_module): Use it.
2935 (output_format): Use wrap_text instead of maybe_wrap_text.
2937 2000-08-22 Nick Clifton <nickc@redhat.com>
2939 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
2940 Common code for ARM divide and modulus functions.
2941 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
2943 (FUNC_END): New macro: Common code at the end of the division and
2945 (THUMB_FUNCTION_START): New macro: Common code at the start of
2947 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
2949 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
2951 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
2953 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
2954 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
2957 2000-08-22 Nick Clifton <nickc@redhat.com>
2959 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
2960 restorative additions, test for bottom bits of IP being set,
2961 rather than relying upon the RORs not matching.
2964 2000-08-22 David Edelsohn <edelsohn@gnu.org>
2966 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
2967 text_section() as appropriate instead of emitting text csect
2969 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
2970 (UNIQUE_SECTION): Define macro.
2971 (ASM_OUTPUT_SECTION_NAME): Define macro.
2972 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
2973 on AIX if debugging and -fdata-sections always.
2975 2000-08-22 Steven King <sxking@uswest.net>
2977 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
2979 (LDBL_MAX): Same here.
2981 2000-08-22 Richard Henderson <rth@cygnus.com>
2983 * flow.c (tidy_fallthru_edge): Update b->end properly.
2985 2000-08-22 Stan Cox <scox@redhat.com>
2987 * Makefile.in (OBJS): Add dependence.o.
2988 * dependence.c: New file.
2990 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
2992 * calls.c (check_sibcall_argument_overlap_1): Adjust for
2994 (check_sibcall_argument_overlap): Likewise.
2996 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
2998 * invoke.texi (SH Options): Document -m4-nofpu,
2999 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3000 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3002 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3004 * c-common.c (check_format_info): Give the 'some locales' warning
3005 for strftime %Ey rather than the unconditional 'only last 2 digits
3008 2000-08-22 Richard Henderson <rth@cygnus.com>
3010 * alias.c (init_alias_analysis): Do not register
3011 struct_value_incoming_rtx or static_chain_rtx as pointing
3014 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3016 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3018 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3020 * diagnostic.h (report_problematic_module): Declare.
3021 * diagnostic.c (report_problematic_module): New function.
3022 (report_error_function): Tweak.
3024 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3026 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3027 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3029 2000-08-21 Richard Henderson <rth@cygnus.com>
3031 * flow.c (calculate_global_regs_live): Mark frame pointer live
3032 everywhere before reload.
3034 2000-08-21 Jim Wilson <wilson@cygnus.com>
3036 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3037 INTEL_EXTENDED_IEEE_FORMAT.
3038 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3039 clear last two bytes of output FP value.
3041 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3043 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3045 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3047 * unroll.c (loop_find_equiv_value): If ret is modified between
3048 insn and loop_start, ret might not be equivalent to reg.
3050 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3052 * c-common.c (init_dollar_format_checking,
3053 maybe_read_dollar_number, finish_dollar_format_checking): New
3055 (dollar_arguments_used, dollar_arguments_count,
3056 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
3058 (check_format_info): Support $ formats for scanf and printf width
3059 and precision. Always increment format_chars to advance past the
3060 '*' of precision, not just when the format parameters are
3063 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3065 * mips.c (block_move_loop, expand_block_move,
3066 function_arg_partial_nregs, save_restore_insns, function_prologue,
3067 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
3069 (function_arg_advance, function_arg): Match argument to format
3072 2000-08-21 Nix <nix@esperi.demon.co.uk>
3074 * gcc.c (do_spec_1): Implement %j spec flag.
3075 Remove dead comment.
3077 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
3078 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
3079 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
3080 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
3082 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
3083 writable) instead of hardcoded value.
3085 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
3087 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
3090 * gcc.c (cc1_options): Do not process -o or run the assembler if
3092 * objc/lang-spec.h: Likewise.
3094 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
3096 * fixinc/fixincl.c (fix_with_system): Pipe the output of
3097 "external" fixes through `cat', to avoid truncating the input
3098 file by redirection.
3100 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3102 * config/i386/i386.md (lea_general_1): Copy insn condition to split
3104 (lea_general_2, lea_general_3): Likewise.
3106 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3108 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
3109 warnings to user code.
3111 * c-lex.c (readescape, yylex): Likewise.
3113 * c-typeck.c (store_init_value, process_init_element): Likewise
3114 (c_expand_start_case): Format.
3116 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
3118 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
3120 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
3121 and linker_endian_spec to endian_spec.
3122 (ENDIAN_SPEC): Add %{EB} and %{EL}.
3123 (LINK_SPEC): Remove %{EB} and %{EL}.
3124 (ASM_SPEC): Likewise. Use %(endian_spec).
3126 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3128 * c-tree.h (flag_hosted): Move declaration from here...
3129 * c-common.h (flag_hosted): ... to here.
3130 (flag_noniso_default_format_attributes): New declaration.
3131 * c-decl.c (flag_noniso_default_format_attributes): New variable.
3132 (c_decode_option): Set it appropriately for options choosing
3133 language standard variant.
3134 * c-common.c (init_function_format_info): Only provide default
3135 format attributes if flag_hosted. Only provide the gettext
3136 formats if flag_noniso_default_format_attributes. Update
3138 (check_format_info): Disable treatment of %a as a scanf flag in
3141 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3143 * c-common.c (scan_char_table): Add 'w' to flags for all formats
3145 (check_format_info): Set 'wide' for scanf format widths. Warn for
3146 a zero scanf width. Make the check for writing into a constant
3147 object at the first level of indirection; at later levels, warn if
3148 any type qualifiers are encountered.
3150 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
3152 * reload.c (reload_inner_reg_of_subreg): New function broken out of
3154 (push_reload): Use reload_inner_reg_of_subreg.
3155 (combine_reloads): Do not combine reloads if the input reload
3156 is a SUBREG in which the inner part will need reloading.
3158 * global.c (global_alloc): Avoid passing dumpfile argument to
3160 * toplev.c (rest_of_compilation): Likewise.
3161 * reload.h (reload): Remove dumpfile argument. Callers changed.
3162 (debug_reload, debug_reload_to_stream): Move prototypes here.
3163 * rtl.h (reload): Remove dumpfile argument.
3164 * reload.c (debug_reload): Remove prototype.
3165 (debug_reload_to_stream): Likewise.
3166 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
3169 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3171 * diagnostic.c (context_as_prefix): Export.
3172 (need_error_newline): Remove.
3173 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
3174 (error_module_changed, record_last_error_module,
3175 error_function_changed, record_last_error_function): New functions.
3176 (initialize_diagnostics): Default intialize
3177 lang_diagnostic_starter, lang_diagnostic_finalizer.
3178 (init_output_buffer): Tweak.
3179 (file_name_as_prefix): New function.
3180 (announce_function, default_print_error_function,
3181 report_error_function, set_diagnostic_context): Tweak.
3183 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
3185 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
3186 condition expression.
3188 2000-08-20 Richard Henderson <rth@cygnus.com>
3190 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
3192 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
3194 * cppinit.c (cpp_init): Set global flag when called.
3195 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
3197 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
3199 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
3200 before `process_directive' so that newlines won't be missed
3202 (cpp_printf): Increment `print->lineno' when newline is emitted.
3204 * cppmain.c (cb_ident): Likewise.
3205 (cb_define): Likewise.
3206 (cb_undef): Likewise.
3207 (cb_include): Likewise.
3208 (cb_def_pragma): Likewise.
3209 (dump_macros_helper): Likewise.
3211 2000-08-20 Richard Henderson <rth@cygnus.com>
3213 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
3214 assigned before a loop.
3216 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
3217 (ashrsi3, lshrsi3): Likewise.
3219 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3221 * c-lang.c: #include diagnostic.h
3222 (c_tree_printer): New function.
3223 (lang_init): Initialize lang_printer.
3225 * Makefile.in (c-lang.o): Depends on diagnostic.h
3227 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3229 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
3231 * diagnostic.c (default_diagnostic_starter,
3232 default_diagnostic_finalizer): New functions.
3233 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
3234 (pedwarn, pedwarn_with_file_and_line, error,
3235 error_with_file_and_line, fatal, warning,
3236 warning_with_file_and_line): Adjust call to report_diagnostic.
3237 (report_diagnostic): Rework.
3238 (set_diagnostic_context): New function.
3240 * diagnostic.h (struct diagnostic_context): New data structure.
3241 (diagnostic_message, diagnostic_argument_list,
3242 diagnostic_file_location, diagnostic_line_location,
3243 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
3244 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
3245 (set_diagnostic_context): Declare.
3246 (report_diagnostic): Change prototype.
3248 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
3250 * fix-header.c (main): Initialize cpplib.
3252 2000-08-19 Michael Meissner <meissner@redhat.com>
3254 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
3255 instructions in it before checking for indirect jumps.
3257 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
3258 in a indirect jump as a potential for conditional execution.
3260 * d30v.h (d30v_init_expanders): Don't declare here.
3261 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
3264 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
3266 * cpp.texi: Add @section for assertions.
3268 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
3270 * loop.c (scan_loop): Use CONST_CALL_P instead of
3271 checking for REG_LIBCALL / REG_RETVAL.
3273 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
3275 * reload1.c (reload_as_needed): Accept dumpfile argument,
3276 pass it to emit_reload_insns.
3277 (emit_reload_insns): Add new dumpfile argument. If non-null
3278 then dump the reloads for each insn into the dumpfile.
3279 (reload): Pass dumpfile to reload_as_needed.
3281 * invoke.texi: Clean up linux-gnu vs linux comments.
3283 2000-08-19 Richard Henderson <rth@cygnus.com>
3285 * config/ia64/ia64.c (reg_or_5bit_operand): New.
3286 (ia64_depz_field_mask): New.
3287 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
3288 (PREDICATE_CODES): Update.
3289 * config/ia64/ia64.md: Update commentary.
3290 (depz_internal): New.
3291 (ashlsi3): Implement directly.
3292 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
3293 (ashldi3): Use shladd.
3294 * config/ia64/ia64-protos.h: Update.
3296 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3298 * toplev.c (independent_decode_option): Always process -g.
3299 Remove third argument, now unused. Adjust caller to match.
3301 2000-08-18 Richard Henderson <rth@cygnus.com>
3303 * combine.c (make_compound_operation): Break after creating
3306 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3308 * cpplib.c (cpp_register_pragma_space): Just return if the
3309 namespace is already registered.
3311 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
3313 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
3314 constant amount. Do not generate ROTL instruction.
3316 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
3318 * config/sh/elf.h: Do not include sh/sh.h.
3319 * config/sh/rtems.h: Likewise.
3320 * config/sh/rtemself.h: Do not include sh/elf.h.
3321 * configure.in: Get them included with `tm_file's.
3322 * configure: Rebuilt.
3324 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
3325 * config/sh/sh.c (fpscr_set_from_mem): Use them.
3327 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3329 * stor-layout.c (compute_record_type): Don't use mode of single
3330 field as mode of record if not integer mode of same type.
3332 * regmove.c (perhaps_ends_bb_p): New function.
3333 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
3334 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
3335 (fixup_match_1): Likewise.
3336 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
3337 avoid signed/unsigned warnings.
3339 * function.c (fixup_var_refs_1, case MEM): Update CODE after
3342 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
3344 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
3345 (_cpp_trigraph_map): Declaration moved from cpplex.c
3347 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
3348 instead of 256. Use consistent test for designated initializers.
3349 (cpp_init): Initialize trigraph_map.
3350 (initialize_standard_includes, parse_option): Use memcmp
3353 * cpplex.c (init_trigraph_map): Remove.
3354 (trigraph_ok, trigraph_replace, lex_line): Refer to
3357 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
3358 (do_unassert): Remove unused "next" local.
3360 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
3362 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
3364 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
3367 2000-08-17 Richard Henderson <rth@cygnus.com>
3369 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
3370 the first insn in a sequence.
3372 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
3374 * alias.c (true_dependence, write_dependence_p): A read
3375 involving a label_ref or the constant pool doesn't create
3378 * rtl.h (unchanging): Improve documentation.
3380 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
3382 * cse.c (insert_regs): Remove unused `regno'.
3384 2000-08-17 Neil Booth <NeilB@earthling.net>
3386 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
3387 remove_dup_dirs. If qtail == brack, remove brack not
3389 (remove_dup_dir, remove_dup_dirs): New functions.
3391 2000-08-17 Neil Booth <NeilB@earthling.net>
3393 * cppinit.c (cpp_cleanup): Free include dir chains.
3394 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
3395 (do_unassert): Free the assert with _cpp_free_definition.
3396 * cppmacro.c (_cpp_free_definition): Free memory allocated for
3397 assertions. Make the node a T_VOID node.
3399 2000-08-17 Neil Booth <NeilB@earthling.net>
3401 * cppinit.c (path_include, append_include_chain):
3402 Remove 2nd parameter (struct cpp_pending *).
3403 (path_include, initialize_standard_includes, cpp_handle_option):
3404 Update callers appropriately.
3405 (cpp_handle_option): Use pend.
3407 2000-08-17 Neil Booth <NeilB@earthling.net>
3409 * cppinit.c (sort_options): Remove, put functionality in
3412 (initialize_builtins): Free memory.
3413 (cpp_start_read): Move init_IStable to cpp_init.
3415 * cpplib.h (cpp_init): New prototype.
3416 * cppmain.c (main): Call cpp_init.
3418 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
3420 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
3421 (rtx_unstable_p, rtx_varies_p): Process vectors.
3423 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3425 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
3426 references to GLOBAL symbols. Use LOCAL where appropriate.
3428 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3430 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
3431 use t-aix41 when host == target.
3433 2000-08-16 Richard Henderson <rth@cygnus.com>
3435 * reload.c (push_secondary_reload): Revert last change.
3436 If we use a reload_in/out pattern, make the when the same
3437 as the primary reload.
3438 (find_reloads): Likewise.
3440 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
3442 * configure.in (libstdcxx-v3): Fix test.
3443 * configure: Regenerate.
3445 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3447 * calls.c (calls_function_1, expand_call): Only test
3448 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3449 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3451 2000-08-16 Richard Henderson <rth@cygnus.com>
3453 * combine.c (simplify_shift_const): Revert previous two
3454 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
3455 before the main loop.
3457 2000-08-15 Richard Henderson <rth@cygnus.com>
3459 * combine.c (simplify_shift_const): Bound shift count when
3462 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3464 * calls.c (ECF_SP_DEPRESSED): New macro.
3465 (calls_function_1): Treat calling sp-depressed function as alloca.
3466 (emit_call_1): Don't adjust SP if calling sp-depressed function.
3467 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
3468 If sp-depressed, ensure block saves and restores SP.
3469 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
3471 * function.c (keep_stack_depressed): New function.
3472 (thread_prologue_and_epilogue_insns): Call it.
3473 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
3474 to print DECL_OFFSET_ALIGN.
3475 Print no-force-blk and transparent-union flags properly.
3476 * stmt.c (expand_goto_internal): Don't restore stack if last block
3477 and function returns with sp depressed.
3478 (fixup_gotos): Likewise.
3479 (save_stack_pointer): New function, from code in expand_decl.
3480 (expand_decl): Call new function.
3481 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
3482 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
3483 (save_stack_pointer): New declaration.
3485 * diagnostic.c (fatal_function): New variable.
3486 (set_fatal_function): New function.
3488 * diagnostic.h (set_fatal_function): New declaration.
3490 2000-08-15 William Cohen <wcohen@redhat.com>
3492 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
3493 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
3494 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
3496 2000-08-15 Richard Henderson <rth@cygnus.com>
3498 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
3500 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3502 * arm.c (arm_function_ok_for_sibcall): New function.
3503 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
3504 * arm.md (call expanders): Don't check here for calls that can't
3507 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3509 * arm.md (splits generating cond_exec): Disable.
3511 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3513 * arm/linux-elf.h (text_section): Delete declaration.
3515 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3517 ARM support for unordered FP operations.
3518 * arm-protos.h (arm_comparison_operator): Declare.
3519 * arm.c (arm_comparison_operator): New function.
3520 (arm_select_cc_mode): Add unordered comparison codes.
3521 (get_arm_condition_code): Likewise.
3522 (arm_final_prescan_insn): Can't handle unordered jumps that can't
3523 be done in one insn.
3524 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
3525 * arm.md (all uses of comparison_operator): Replace with
3526 arm_comparison_operator.
3527 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
3529 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
3532 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3534 * gthr-posix.h: Conditionally include <sched.h>; include
3535 <config.h> from libobjc/.
3537 2000-08-14 Richard Henderson <rth@cygnus.com>
3539 * config/i386/i386.c (legitimize_pic_address): Use Pmode
3542 2000-08-14 Richard Henderson <rth@cygnus.com>
3544 * configure.in (ia64-*): Set float_format for i386 long double.
3546 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
3547 as we would for i386 XFmode.
3548 (PUT_REAL): Likewise.
3549 (endian, ereal_atof, real_value_truncate): Likewise.
3550 (ereal_isneg, toe64, etens, make_nan): Likewise.
3551 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
3553 * config/ia64/ia64-protos.h: Update.
3554 * config/ia64/ia64.c (general_tfmode_operand): New.
3555 (destination_tfmode_operand): New.
3556 (tfreg_or_fp01_operand): New.
3557 (ia64_split_timode): New.
3558 (spill_tfmode_operand): New.
3559 (ia64_expand_prologue): Use TFmode not XFmode.
3560 (ia64_expand_epilogue): Likewise.
3561 (ia64_function_arg): Likewise.
3562 (ia64_function_arg_advance): Likewise.
3563 (ia64_return_in_memory): Likewise.
3564 (ia64_function_value): Likewise.
3565 (ia64_print_operand): Likewise.
3566 (ia64_register_move_cost): Set GR<->FR to 5.
3567 (ia64_secondary_reload_class): Get GR for TImode memory op.
3568 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
3569 (ROUND_TYPE_ALIGN): Remove.
3570 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
3571 (INTEL_EXTENDED_IEEE_FORMAT): Define.
3572 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
3573 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
3574 (MODES_TIEABLE_P): Use TFmode, not XFmode.
3575 (CLASS_MAX_NREGS): Likewise.
3576 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
3577 (PREDICATE_CODES): Update.
3578 * config/ia64/ia64.md (movti): New.
3579 (movti_internal): Use a clobber for memory alternatives.
3580 (reload_inti, reload_outti): New.
3581 (movsfcc_astep): Predicate properly.
3582 (movdfcc_astep): Likewise.
3585 (extendsftf2, extenddftf2): New.
3586 (trunctfsf2, trunctfdf2): New.
3587 (floatditf2, fix_trunctfdi2): New.
3588 (floatunsditf2, fixuns_trunctfdi2): New.
3589 (addtf3, subtf3, multf3, abstf2): New.
3590 (negtf2, nabstf2, mintf3, maxtf3): New.
3591 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
3593 (fr_spill): Use TFmode, not XFmode.
3594 (fr_restore): Likewise.
3595 * config/ia64/lib1funcs.asm (__divtf3): New.
3596 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
3598 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3600 * cse.c (fold_rtx): Avoid empty body in an if-statement.
3602 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
3603 `U' integer constant suffix.
3605 * dwarf2out.c (add_subscript_info): Avoid empty body in an
3608 * sparc/sol2.h (__enable_execute_stack): Prototype.
3610 2000-08-14 David Edelsohn <edelsohn@gnu.org>
3612 * collect2.c: Remove use of AIX import file.
3614 * longlong.h: Test ARCH_PWR not ARCH_POWER.
3616 * rs6000.c (print_operand, case 'E'): Add else.
3618 2000-08-14 Richard Henderson <rth@cygnus.com>
3620 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
3621 (movdi_symbolic): New.
3623 2000-08-14 Jim Wilson <wilson@cygnus.com>
3625 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3626 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
3627 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3630 2000-08-14 Richard Henderson <rth@cygnus.com>
3632 * expr.c (emit_group_load): Don't force constants into registers.
3633 Special case source already in the correct mode.
3635 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
3637 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
3638 * fixinc/inclhack.def: Likewise.
3639 * fixinc/mkfixinc.sh: Likewise.
3640 * configure: Regenerate.
3641 * fixinc/fixincl.x: Regenerate.
3642 * install.texi: Document equivalence of linux and linux-gnu.
3644 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3646 * cse.c (insert_regs): Also in REG case: When finding an invalid
3647 value, and we make a new quantity, make sure that it won't be
3648 mistaken by for a valid one by mention_regs.
3650 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
3652 * h8300.md: Remove obsolete peepholes.
3654 2000-08-13 Kazu Hirata <kazu@hxi.com>
3656 * invoke.texi (H8/300 Options): Fix typos.
3657 * config/h8300.c: Fix formatting.
3658 * config/h8300.h: Fix comment typos.
3659 (OVERRIDE_OPTIONS): Fix formatting.
3661 * function.c: Fix formatting.
3663 * cse.c: Fix formatting.
3665 2000-08-13 Geoff Keating <geoffk@cygnus.com>
3667 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
3668 (attempt_auto_inc): Suppress parentheses warning.
3669 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
3670 * loop.c (load_mems): Remove `u' suffix in two places.
3671 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
3673 * config/rs6000/rs6000.h: Likewise.
3674 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
3675 __eabi dummy routine.
3676 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
3679 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
3680 not put stuff in .sdata unnecessarily.
3681 (rs6000_unique_section): New function.
3682 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
3683 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
3685 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
3686 arrays in C99. Don't try to look at DECL_REGISTER of a
3687 COMPONENT_REF. Don't complain twice about the same error.
3689 * fixinc/inclhack.def (aix_pthread): New fix.
3690 (aix_sysmachine): New fix.
3691 * fixinc/fixincl.x: Regenerate.
3693 * expr.c (expand_expr): Call convert_modes when turning a large
3694 multiply into a small one.
3696 2000-08-12 Geoff Keating <geoffk@cygnus.com>
3698 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
3699 the tree structure an exponent rather than an explicit alignment
3700 so it doesn't overflow.
3701 (SET_DECL_OFFSET_ALIGN): New macro.
3702 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
3703 rather than DECL_OFFSET_ALIGN.
3704 (place_field): Likewise.
3705 * expmed.c (store_bit_field): Abort on align==0 to avoid
3706 antisocial machine behaviour.
3708 2000-08-12 Richard Henderson <rth@cygnus.com>
3710 * sibcall.c (uses_addressof): Accept both addressof and
3711 current_function_internal_arg_pointer inside a mem.
3712 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
3713 if current_function_uses_addressof.
3714 * stmt.c (expand_return): Kill tail recursion and HAVE_return
3717 2000-08-11 Richard Henderson <rth@cygnus.com>
3719 * config/ia64/ia64.md (addsi3): Remove expander.
3720 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
3721 (*addsi3_shladd): New.
3723 2000-08-11 Richard Henderson <rth@cygnus.com>
3725 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
3726 (do_restore): Likewise.
3727 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
3728 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
3729 (rtx_needs_barrier): Track actual bit manipulation for
3730 ar.unat moves, gr_spill, and gr_restore.
3731 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
3732 (process_set): Don't handle varargs spills.
3733 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
3734 .mem.offset here instead of in process_set.
3735 (gr_restore): Likewise.
3737 2000-08-11 Richard Henderson <rth@cygnus.com>
3739 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
3741 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
3743 * gcc.texi (The Configuration File): Document
3744 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
3745 UPDATE_PATH_HOST_CANONICALIZATION.
3747 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3749 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
3750 unprototyped function pointer casts on integer constants.
3752 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
3754 * fixproto: Recognize DOS paths with drive letters as absolute paths.
3756 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
3758 * extend.texi (Volatiles): Fix typos.
3760 2000-08-11 Kazu Hirata <kazu@hxi.com>
3762 * flow.c: Fix formatting.
3764 2000-08-11 Richard Henderson <rth@cygnus.com>
3766 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
3767 pattern, always allocate a tertiary scratch register.
3769 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
3770 (reload_inhi): Likewise.
3772 2000-08-11 Richard Henderson <rth@cygnus.com>
3774 * function.c (put_reg_into_stack): Allow type to be NULL.
3775 (schedule_fixup_var_refs): Likewise.
3776 (gen_mem_addressof): Allow decl to be NULL.
3777 (put_addressof_into_stack): Likewise.
3779 * flow.c (merge_blocks_nomove): Be more careful about
3780 locating the beginning of block A.
3782 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
3784 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3789 * config.in: Reverted the check for <sched.h>.
3791 2000-08-10 Chris Demetriou <cgd@sibyte.com>
3793 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
3794 macros define the name of CTOR and DTOR sections.
3795 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3796 DTOR_LIST_END): Change to use attributes to specify
3798 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
3799 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3800 DTOR_LIST_END): Same as in mips/elf.h.
3802 2000-08-10 Drew Moseley <dmoseley@redhat.com>
3804 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
3805 disabling just crt0.o.
3807 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
3809 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
3810 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
3811 (EXTRA_SPECS): Add them.
3812 * arm/lib1funcs.asm: Support builds for interworking.
3813 Use macros to eliminate duplicated pieces of code.
3815 2000-08-10 Kazu Hirata <kazu@hxi.com>
3817 * h8300.c (expand_a_rotate): New.
3818 (emit_a_rotate): Likewise.
3819 (h8300_adjust_insn_length): Add support for the rotate insns.
3820 * h8300.md (rotlqi3): New.
3821 (*rotlqi3_1): Likewise.
3822 (rotlhi3): Likewise.
3823 (*rotlhi3_1): Likewise.
3824 (rotlhi3): Likewise.
3825 (*rotlhi3_1): Likewise.
3826 * h8300-proto.h: Add prototypes for expand_a_rotate and
3829 * h8300.c: Fix comment typos.
3830 (dosize): Declare the variable amount as unsigned.
3831 (get_shift_alg): Fix a comparison between signed and unsigned.
3832 (emit_a_shift): Likewise.
3833 (h8300_adjust_insn_length): Simplify the code.
3835 * c-decl.c: Fix formatting.
3837 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3839 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
3840 warning about non-traditional numeric constant suffixes.
3842 * cppexp.c (parse_number): Likewise.
3844 * invoke.texi: (-Wtraditional): Document new behavior.
3846 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3848 * gthr-posix.h: Include auto-host.h. Conditionally include
3850 * configure.in: Check for the <sched.h> header file.
3851 * config.in: Added define for HAVE_SCHED_H.
3853 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3855 * c-typeck.c (process_init_element): For -Wtraditional, warn about
3856 initialization of unions.
3858 * invoke.texi (-Wtraditional): Document new behavior.
3860 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
3862 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
3863 instead of extra_c_flags.
3864 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
3865 * configure: Regenerate.
3866 * config.in: Regenerate.
3868 * cpperror.c (cpp_type2name): New function.
3869 * cpplex.c (lex_line): If we issued an error for an invalid
3870 preprocessing directive, discard that logical line.
3871 * cpplib.c (do_line): Call a hook function if the current file
3872 is renamed by #line.
3873 (do_ident): Pass the contents of the string, not the entire
3874 token, to the callback function.
3875 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
3876 (cb.rename_file): New hook function.
3877 (cb.ident): Adjust prototype.
3878 (cpp_type2name): Prototype.
3879 * cppmacro.c (dump_macro_args): Correct precedence lossage.
3881 * cppmain.c (cb_ident): Update for changed interface.
3882 (cb_rename_file): New function.
3883 (main): Set rename callback.
3885 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
3887 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
3888 multi-word registers.
3890 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
3892 * c-common.c (combine_strings, check_format_info): Refer to ISO C
3893 or ISO C89 instead of ANSI C.
3894 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
3895 build_enumerator, do_case): Likewise.
3896 * c-lex.c (parse_float, yylex): Likewise.
3897 * c-parse.in: Likewise.
3898 * c-typeck.c (common_type, build_array_ref, build_binary_op,
3899 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
3900 build_c_cast, convert_for_assignment, set_init_index,
3901 set_init_label, c_expand_start_case): Likewise.
3902 * toplev.c (documented_lang_options, display_help): Likewise.
3904 2000-08-08 Kazu Hirata <kazu@hxi.com>
3906 * h8300.c: Fix formatting.
3907 * h8300.h: Likewise.
3908 * h8300.md: Likewise.
3909 (movsi_h8300hs): Fix formatting of the resulting assembly code.
3911 * reload1.c: Fix formatting.
3913 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
3915 * alpha/alpha.c (alpha_emit_xfloating_libcall):
3916 Use GEN_CALL_VALUE define.
3917 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
3918 * clipper/clipper.md (untyped_call): Likewise.
3919 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
3920 * fx80/fx80.md (untyped_call): Likewise.
3921 * mips/mips.md (untyped_call): Likewise.
3922 * ns32k/ns32k.md (untyped_call): Likewise.
3923 * pa/pa.md (untyped_call): Likewise.
3924 * romp/romp.md (untyped_call): Likewise.
3925 * sparc/sparc.md (untyped_call): Likewise.
3927 2000-08-08 Jason Eckhardt <jle@cygnus.com>
3929 * config/i860/i860.c (singlemove_string): Do not generate assembler
3930 pseudo instructions that must be expanded (that is, with signed
3931 constants larger than 16 bits).
3933 2000-08-08 Richard Henderson <rth@cygnus.com>
3935 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
3936 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
3937 (init_propagate_block_info): Don't kill memory stores at -O0.
3938 (mark_set_1, mark_used_regs): Likewise.
3940 2000-08-08 David Edelsohn <edelsohn@gnu.org>
3942 * rs6000.c (optimization_options): Decorate 'level' as
3944 (mask64_operand): Remove sign-extend thinko.
3945 (rldic_operand): New function.
3946 (load_multiple_operation): regno's are unsigned ints.
3947 (store_multiple_operation): Likewise.
3948 (lmw_operation): Likewise.
3949 (stmw_operation): Likewise.
3950 (includes_lshift_p): shift_mask is unsigned int.
3951 (includes_lshift64_p): New function.
3952 (addrs_ok_for_quad_peep): unsigned int reg1.
3953 (print_operand): Consistently add "else" after
3954 output_operand_lossage().
3955 (print_operand, case 'b'): Fold in case 'W'.
3956 (print_operand, case 'W'): Print rldic MB value.
3957 (output_epilogue): Update Objective-C language string.
3958 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
3959 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
3960 * rs6000.md (ashldi3): Add rldic instruction.
3961 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
3962 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
3965 2000-08-08 Richard Henderson <rth@cygnus.com>
3967 * config/ia64/ia64-protos.h: Remove duplicates. Update
3968 for massive code rearrangements.
3969 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
3970 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
3971 (ia64_local_regs, ia64_need_regstk): Remove.
3972 (ar_ccv_reg_operand): New.
3973 (ia64_gp_save_reg): New.
3974 (struct ia64_frame_info): Combine most of the size elements;
3975 add new gr save elements.
3976 (find_gr_spill): New.
3977 (next_scratch_gr_reg): New.
3978 (mark_reg_gr_used_mask): New.
3979 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
3980 to GR backing store regs when possible.
3981 (ia64_initial_elimination_offset): New.
3982 (ia64_rap_fp_offset): Remove.
3983 (save_restore_insns): Remove.
3984 (setup_spill_pointers): New.
3985 (finish_spill_pointers): New.
3986 (spill_restore_mem): New.
3987 (do_spill, do_restore): New.
3988 (ia64_expand_prologue): Rewrite to use them.
3989 (ia64_expand_epilogue): Likewise.
3990 (ia64_direct_return): Update for current_frame_info changes.
3991 (ia64_function_prologue): Simplify .prologue emission. Emit
3993 (ia64_setup_incoming_varargs): Don't ever emit rtl.
3994 (ia64_dbx_register_number): New.
3995 (ia64_initialize_trampoline): New.
3996 (ia64_secondary_reload_class): Request GR_REGS for integer
3997 arithmetic destined for FR_REGS.
3998 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
3999 (ia64_mark_machine_status): Mark ia64_gp_save.
4000 (rws_access_regno): Rename from rws_access_reg; don't treat
4001 predicates specially.
4002 (rws_access_reg): New. Update all callers.
4003 (rtx_needs_barrier): Remove dead unspecs.
4004 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4005 (ia64_encode_section_info): Silence signed/unsigned warnings.
4006 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4007 (tmp_reg, tmp_saved): Remove.
4008 (process_set): Rewrite to expect complicated bits via
4009 REG_FRAME_RELATED_EXPR.
4010 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4011 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4012 (ia64_expand_op_and_fetch): Likewise.
4013 (ia64_expand_compare_and_swap): Likewise.
4014 (ia64_expand_builtin): Likewise.
4015 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4016 (FIRST_PSEUDO_REGISTER): Update.
4017 (AR_M_REGNO_P): Update.
4018 (FIXED_REGS): Don't mark three local registers as used.
4019 (EXTRA_CC_MODES): New.
4020 (SELECT_CC_MODE): New.
4021 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4022 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4023 (FRAME_GROWS_DOWNWARD): Unset.
4024 (STARTING_FRAME_OFFSET): Zero.
4025 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4026 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4027 (HARD_FRAME_POINTER_REGNUM): New.
4028 (CAN_DEBUG_WITHOUT_FP): Define.
4029 (TRAMPOLINE_TEMPLATE): Remove.
4030 (TRAMPOLINE_SIZE): Lower to 32.
4031 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4032 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4033 (PREDICATE_CODES): Update.
4034 (struct machine_function): Add ia64_gp_save.
4035 * config/ia64/ia64.md: Purge unused unspecs.
4036 (movsi patterns): Allow moves to/from AR_M_REGS.
4037 (movdi patterns): Allow moves to/from p0.
4038 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4039 (gr_spill, gr_restore): Indicate ar.unat read/written.
4040 (nonlocal_goto): Don't pass old frame_pointer.
4041 (nonlocal_goto_receiver): Remove.
4042 (exception_receiver): New.
4043 (builtin_setjmp_setup): New.
4044 (builtin_setjmp_receiver): New.
4045 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4046 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4047 (__ia64_restore_stack_nonlocal): Likewise.
4048 (__ia64_trampoline): New.
4049 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
4051 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
4053 2000-08-08 Richard Henderson <rth@cygnus.com>
4055 * frame.h (ia64_frame_state): Add my_psp.
4056 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
4057 (__throw): Pass it in. Don't clobber r7.
4058 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
4059 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
4060 and nothing to do with sp.
4061 (normalize_reg_loc): Use frame->my_psp.
4062 (frame_translate): Handle frame-pointer-less functions. Set
4063 spill_base correctly, in absence of being told.
4064 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
4065 (__ia64_backtrace_helper): New sp argument. Use
4066 builtin_return_address instead of label addresses.
4067 (print_record) [mem_stack_v]: No size member.
4069 2000-08-08 Richard Henderson <rth@cygnus.com>
4071 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
4073 2000-08-08 Richard Henderson <rth@cygnus.com>
4075 * tm.texi (LOCAL_REGNO): Document.
4076 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
4077 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
4078 * reload1.c (reload): Likewise when considering nonlocal labels.
4080 * config/ia64/ia64.h (LOCAL_REGNO): New.
4081 * config/sparc/sparc.h (LOCAL_REGNO): New.
4083 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4085 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
4087 2000-08-07 Nick Clifton <nickc@redhat.com>
4089 * config/mips/mips.c: Fix compile time warning messages.
4090 * config/mips/mips-protos.h: Add prototype for equality_op.
4092 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
4094 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
4096 * mn10300.md: Use nonimmediate_operand instead of general_operand
4099 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
4101 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
4103 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
4104 * sh.c (expand_block_move): Break long lines.
4105 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
4106 * sh.md (mulsi3): Likewise.
4107 (movdi): Adjust spacing.
4109 2000-08-07 Richard Henderson <rth@cygnus.com>
4111 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
4112 * expr.c (emit_group_store): Don't set it.
4114 2000-08-07 Kazu Hirata <kazu@hxi.com>
4116 * invoke.texi (Options for Debugging Your Program or GCC): Remove
4117 duplicate entries for 'w' and 'z'.
4119 * flow.c: Fix a comment typo.
4121 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4123 * c-parse.in: Changed the language string for Objective-C to "GNU
4126 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4128 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
4129 to improve the Posix thread support for Objective-C.
4131 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
4133 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
4134 CTI_UNSIGNED_PTRDIFF_TYPE.
4135 (signed_size_type_node): Define.
4136 (unsigned_ptrdiff_type_node): Define.
4137 * c-decl.c (init_decl_processing): Create the
4138 signed_size_type_node and unsigned_ptrdiff_type_node types.
4139 * c-common.c (T_SC): Define.
4142 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
4143 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
4145 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
4146 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
4147 flags for %c, %s and %[.
4148 (check_format_info): Only allow leniency for signedness of targets
4149 of character pointers (when pedantic) for formats flagged with
4150 "c", so for strings but not for %hh formats. When pedantic, don't
4151 allow character pointers to substitute for void pointers if a
4152 second level of indirection is present.
4154 2000-08-06 Kazu Hirata <kazu@hxi.com>
4156 * invoke.texi (Options for Debugging Your Program or GCC): Update
4157 the names of dump files.
4159 * h8300.c (dosize): Rearrange code for conciseness.
4160 (split_adds_subs): Likewise.
4162 * loop.c: Fix formatting.
4164 * dwarf2out.c: Fix formatting.
4166 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
4168 * expr.c: Fix formatting.
4170 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4172 * rs6000.c (rs6000_maybe_dead): Prototype.
4174 2000-08-06 Richard Henderson <rth@cygnus.com>
4176 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
4177 HAVE_nonlocal_goto as well.
4178 * config/i960/i960.md (nonlocal_goto): Don't do it here.
4179 * config/pj/pj.md (nonlocal_goto): Likewise.
4181 2000-08-07 Michael Hayes <mhayes@cygnus.com>
4183 * loop.c (try_swap_copy_prop): New function.
4184 (load_mems): Rename copies to load_copies and add new regset
4185 store_copies. Check for sets of shadow registers and mark
4186 in store_copies. Call try_swap_copy_prop for registers
4187 marked in store_copies.
4189 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4191 * objc/objc-act.c: New command line option -fconstant-string-class
4192 to allow specifying a user defined constant string class,
4193 different from NXConstantString.
4195 * toplev.c: Moved the Objective-C specific options to
4196 objc/lang-options.h.
4198 * objc/lang-options.h: Moved the Objective-C specific options from
4199 toplev.c. Added -fconstant-string-class.
4201 2000-08-05 Chris Demetriou <cgd@sibyte.com>
4203 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4204 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
4205 __CTOR_LIST__ from func_ptr array to just func_ptr, to
4206 avoid extra alignment imposed on arrays.
4207 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4208 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
4210 * mips.h: Clean up comments and spacing near MASKs.
4211 (TARGET_UNIX_ASM): Delete.
4212 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
4213 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
4216 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
4218 * c-common.c (print_char_table): Add entries for the X/Open '
4219 format flag (print decimals with locale's thousands grouping
4220 character). Make %C expect wint_t.
4221 (check_format_info): If pedantic, warn when the %n$ operand
4222 number form is used. Allow for the ' flag; warn about it if
4225 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
4227 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
4228 type is a float mode, cfun->decl's return type is not, and
4229 TARGET_FLOAT_RETURNS_IN_80387.
4231 2000-08-04 Andreas Schwab <schwab@suse.de>
4233 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
4234 token list, which are always `#' and `pragma'.
4236 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
4238 * tree.c (tree_expr_nonnegative_p): Move to...
4239 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
4240 (rtl_expr_nonnegative_p): New.
4241 * tree.h: Add prototype for rtl_expr_nonnegative_p.
4243 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
4244 CONST_DOUBLE_CHAIN: Move to...
4245 * rtl.h: ...here. Use XCINT/XCEXP.
4247 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
4248 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
4249 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
4252 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
4254 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4256 * config/c4x/c4x.md (return_indirect_internal): New.
4257 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
4259 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4261 * c-common.c (time_char_table): Mark up formats added in C99 and
4262 make other corrections. %D and %g were added in C99. %Og is an
4263 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
4264 C99. %e was added in C99. %Oj is an extension. %G and %z are in
4265 C99 rather than GNU extensions, but %OG and %Oz are extensions.
4266 %h was added in C99. %C was added in C99. %OY and %OC are
4267 extensions. Add the C99 format %F.
4268 (check_format_info): If pedantic and not in C99 mode, warn for C99
4271 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4273 * function.c (schedule_fixup_var_refs): New function, broken out
4274 of put_reg_into_stack.
4275 (put_reg_into_stack): Use it.
4276 (put_var_into_stack): In CONCAT case, fixup up references for
4277 components only after fixing up references to the whole concat.
4279 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
4281 * alias.c (mark_constant_function): Use INSN_P.
4282 (init_alias_analysis): Likewise.
4283 * combine.c (combine_instructions): Use INSN_P.
4284 (can_combine_p): Likewise.
4285 (try_combine): Likewise.
4286 (distribute_notes): Likewise.
4287 (distribute_links): Likewise.
4288 * cse.c (cse_around_loop): Use INSN_P.
4289 (invalidate_skipped_block): Likewise.
4290 (cse_set_around_loop): Likewise.
4291 (cse_end_of_basic_block): Likewise.
4292 (delete_trivially_dead_insns): Likewise.
4293 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
4294 (unshare_all_rtl_1): Likewise.
4295 (next_cc0_user): Likewise.
4296 (try_split make_insn_raw): Likewise.
4297 (remove_unnecessary_notes): Likewise.
4298 * final.c (shorten_branches): Use INSN_P.
4299 (leaf_renumber_regs): Likewise.
4300 (leaf_renumber_regs_insn): Likewise.
4301 * flow.c (find_label_refs): Use INSN_P.
4302 (verify_wide_reg): Likewise.
4303 (notice_stack_pointer_modification): Likewise.
4304 (count_or_remove_death_notes): Likewise.
4305 (verify_flow_info): Likewise.
4306 (clear_log_links): Likewise.
4307 * function.c (fixup_var_refs_insns): Use INSN_P.
4308 (compute_insns_for_mem): Likewise.
4309 * gcse.c (alloc_gcse_mem): Use INSN_P.
4310 (compute_sets): Likewise.
4311 (compute_hash_table): Likewise.
4312 (classic_gcse): Likewise.
4314 (insert_insn_end_bb): Likewise.
4315 (delete_null_pointer_checks_1): Likewise.
4316 * global.c (expand_preferences): Use INSN_P.
4317 (build_insn_chain): Likewise.
4318 * graph.c (node_data): Use INSN_P.
4319 * haifa-sched.c (priority): Use INSN_P.
4320 (rm_line_notes): Likewise.
4321 (rm_other_notes): Likewise.
4322 (find_insn_reg_weight): Likewise.
4323 (init_target_units): Likewise.
4324 (schedule_block): Likewise.
4325 (compute_block_forward_dependences): Likewise.
4326 (debug_dependencies): Likewise.
4327 (set_priorities): Likewise.
4328 * integrate.c (function_cannot_inline_p): Use INSN_P.
4329 (save_parm_insns): Likewise.
4330 (copy_insn_list): Likewise.
4331 * jump.c (mark_all_labels): Use INSN_P.
4332 (never_reached_warning): Likewise.
4333 * lcm.c (optimize_mode_switching): Use INSN_P.
4334 * local-alloc.c (validate_equiv_mem): Use INSN_P.
4335 (memref_used_between_p): Likewise.
4336 (update_equiv_regs): Likewise.
4337 (block_alloc): Likewise.
4338 (no_conflict_p): Likewise.
4339 * loop.c (scan_loop): Use INSN_P.
4340 (find_and_verify_loops): Likewise.
4341 (count_loop_regs_set): Likewise.
4342 (loop_reg_used_before_p): Likewise.
4343 (strength_reduce): Likewise.
4344 (recombine_givs): Likewise.
4345 (check_dbra_loop): Likewise.
4346 (load_mems): Likewise.
4347 (try_copy_prop): Likewise.
4348 * print-rtl.c (print_rtx): Use INSN_P.
4349 * recog.c (find_single_use): Use INSN_P.
4350 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
4351 (next_flags_user): Likewise.
4352 (swap_rtx_condition): Likewise.
4353 * regmove.c (mark_flags_life_zones): Use INSN_P.
4354 (optimize_reg_copy_1): Likewise.
4355 (optimize_reg_copy_2): Likewise.
4356 (optimize_reg_copy_3): Likewise.
4357 (reg_is_remote_constant_p): Likewise.
4358 (fixup_match_2): Likewise.
4359 (regmove_optimize): Likewise.
4360 (fixup_match_1): Likewise.
4361 * regrename.c (build_def_use): Use INSN_P.
4362 (replace_reg_in_block): Likewise.
4363 (consider_use): Likewise.
4364 * reload.c (find_equiv_reg): Use INSN_P.
4365 * reload1.c (reload): Use INSN_P.
4366 (maybe_fix_stack_asms): Likewise.
4367 (calculate_needs_all_insns): Likewise.
4368 (reload_as_needed): Likewise.
4369 (emit_output_reload_insns): Likewise.
4370 (delete_address_reloads_1): Likewise.
4371 (reload_cse_regs_1): Likewise.
4372 (reload_combine): Likewise.
4373 (reload_cse_move2add): Likewise.
4374 * reorg.c (redundant_insn): Use INSN_P.
4375 (dbr_schedule): Likewise.
4376 * resource.c (find_dead_or_set_registers): Use INSN_P.
4377 (mark_target_live_regs): Likewise.
4378 * rtlanal.c (reg_used_between_p): Use INSN_P.
4379 (reg_referenced_between_p): Likewise.
4380 (reg_set_between_p): Likewise.
4381 (reg_set_p): Likewise.
4382 (single_set): Likewise.
4383 (multiple_sets): Likewise.
4384 (find_last_value): Likewise.
4385 (reg_set_last): Likewise.
4386 (find_reg_note): Likewise.
4387 (find_regno_note): Likewise.
4388 * sibcall.c (sequence_uses_addressof): Use INSN_P.
4389 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
4390 * ssa.c (find_evaluations): Use INSN_P.
4391 (rename_block): Likewise.
4392 (rename_equivalent_regs): Likewise.
4393 * unroll.c (loop_find_equiv_value): Use INSN_P.
4394 (set_dominates_use): Likewise.
4395 * varasm.c (mark_constant_pool): Use INSN_P.
4396 (mark_constants): Likewise.
4397 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
4398 (alphaev4_next_group): Likewise.
4399 (alphaev5_next_group): Likewise.
4400 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
4401 (c4x_rptb_rpts_p): Likewise.
4402 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
4403 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
4404 (rs6000_adjust_priority): Likewise.
4405 * config/sh/sh.c (sh_loop_align): Use INSN_P.
4406 (machine_dependent_reorg): Likewise.
4407 (split_branches): Likewise.
4408 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
4410 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
4412 * combine.c (recog_for_combine): Remove the old notes
4413 prior to attempting to recognize the new pattern.
4414 (distribute_notes): Ignore REG_NONNEG notes.
4416 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
4418 * varasm.c (output_constructor): Add .align 0 for packed vars.
4420 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4422 * configure.in: Use default thread_file even when enable_threads is
4423 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
4424 * configure: Rebuilt.
4426 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
4428 2000-08-04 Donn Terry (donnte@microsoft.com)
4430 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
4432 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
4434 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
4435 Delete code that conditionally modifies 'version'.
4436 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
4437 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
4438 * gcc.c (main): Use it.
4439 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
4440 * prefix.c (update_path): Use it.
4441 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
4442 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
4443 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
4445 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
4446 (SUBTARGET_SWITCHES): Adjust.
4447 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
4449 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
4451 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4453 * c-common.h (flag_isoc94): Declare.
4454 * c-decl.c (flag_isoc94): Define.
4455 (c_decode_option): Set flag_isoc94 as appropriate.
4456 * c-common.c (T_PD, T_IM, T_UIM): Define.
4457 (format_char_info): Add tlen and jlen.
4458 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
4460 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
4462 (time_char_table): Add NULL entries for %t and %j.
4463 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
4464 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
4465 Warn for printf %lf if pedantic and not C99. Don't warn for empty
4466 precision. Allow precision argument to be unsigned int. If
4467 pedantic, warn for %p passed an argument not a pointer to possibly
4468 qualified void or a possibly qualified character type, and for
4469 pointer targets of the wrong sign, except for character pointers.
4471 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4473 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
4474 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
4475 (wint_type_node): Define.
4476 * c-decl.c (WINT_TYPE): Define.
4477 (init_decl_processing): Create the wint_type_node type.
4478 * c-common.c (T_WI): Define.
4479 (print_char_table): Use T_WI for %lc format.
4481 2000-08-04 Bruce Korb <bkorb@gnu.org>
4483 * fixinc/: Verified that the MSDOS patch does not break
4484 the UNIX functionality and applied the next three patches
4487 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
4489 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
4490 output file with the temporary one by appending ".X" to generate
4491 the temporary fuile's name. If the output file already has an
4492 extension, replace it with ".X".
4494 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
4495 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
4496 reallocate the command buffer while copying the command-line
4497 argument. Redirect the output directly to the temporary file,
4498 instead of going through another temporary file.
4499 (process): Close the temporary file before unlinking it.
4500 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
4501 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
4502 (run_compiles): Pass p_fixd argument to machine_matches, as it
4505 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
4506 environment, assume there are no symlinks in the include
4507 directory. When cleaning up the DONE files, look for them
4508 case-insensitively. Don't try to remove symlinks if they aren't
4511 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
4512 all callers changed. Declare pz "const char *", to avoid compiler
4515 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
4516 Change prototype of make_raw_shell_str.
4518 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
4520 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
4521 (initialize) [__MSDOS__]: Use tempnam.
4522 (initialize): Don't use SIGPIPE if it is not defined.
4524 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
4527 2000-07-25 Bruce Korb <bkorb@gnu.org>
4529 * fixinc/fix*.[ch]: substantially reworked to make it possible
4530 to run this program without using fork(2) or pipe(2) (i.e. in
4533 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4535 * cppdefault.h (WINT_TYPE): Define.
4536 * cppinit.c (builtin_array): Define __WINT_TYPE__.
4537 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
4538 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
4540 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
4542 * (mips_legitimate_address_p): Don't allow register+offset
4543 if the offset is large and negative, and we are compiling
4544 for 64 bit registers.
4546 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4548 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
4549 insn_code_number + 1.
4551 2000-08-04 Kazu Hirata <kazu@hxi.com>
4553 * h8300.c (function_prologue): Rearrange code for conciseness.
4554 (function_epilogue): Likewise.
4555 * h8300.h (OK_FOR_U): Fix formatting.
4557 * cse.c: Fix a comment typo. Fix formatting.
4559 2000-08-03 Richard Henderson <rth@cygnus.com>
4561 * config/i386/i386.md (return_indirect_internal): New.
4562 * config/i386/i386.c (ix86_expand_epilogue): Use it.
4564 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
4566 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
4568 (lex_line): Glue @ onto the beginning of identifiers and
4569 string constants, in Objective-C mode.
4570 (output_token, spell_token): Handle CPP_OSTRING.
4571 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
4572 beginning of a NAME or a STRING, in objc mode.
4574 * cpplib.c (get_define_node): Do not permit identifiers that
4575 begin with @ to be #defined.
4576 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
4577 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
4579 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
4580 * c-tree.h (build_objc_string): Delete prototype.
4581 * objc/objc-tree.def: Delete OBJC_STRING_CST.
4582 * c-lex.c (yylex): Use build_string for all three kinds of strings.
4584 * c-parse.in, objc/objc-act.c: Update commentary.
4586 2000-08-03 Mark Mitchell <mark@codesourcery.com>
4588 * extend.texi: Fix typo in last change.
4590 * extend.texi: Add commentary on statement-expressions and their
4591 interactions with C++.
4593 2000-08-03 Nick Clifton <nickc@cygnus.com>
4595 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
4596 * dwarf.h (LANG_JAVA): Change value to 0x000b.
4598 2000-08-03 Anthony Green <green@cygnus.com>
4600 * dwarf2out.c (gen_compile_unit_die): Add java language support.
4601 (add_bound_info): Check for java language.
4602 (is_java): New function.
4603 * dwarfout.c (output_compile_unit_die): Ditto.
4604 * dwarf.h (dwarf_source_language): Add java source language type.
4605 * dwarf2.h (dwarf_source_language): Ditto.
4607 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4609 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
4612 * i386.c (ix86_expand_branch): Mode of comparison in
4613 IF_THEN_ELSE is VOIDmode.
4615 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
4617 * gengenrtl.c, rtl.c: Avoid #elif.
4619 2000-08-03 Michael Poole <poole@troilus.org>
4621 * tm.texi (Register Classes): Clarify order of sub-initializers
4622 in REG_CLASS_CONTENTS.
4624 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4626 From SAITOH Masanobu:
4627 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
4629 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
4631 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
4632 is not supported by tradcpp and isn't actually needed for cygwin.
4634 2000-08-03 Kazu Hirata <kazu@hxi.com>
4636 * h8300.c: Fix a comment typo.
4637 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
4639 * jump.c: Fix formatting.
4641 * toplev.c: Fix formatting.
4643 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
4645 * flow.c (find_auto_inc): Verify that we've got a REG before
4646 peeking at its regno. Fail, don't abort if we can't find
4647 the increment of the desired register.
4649 * pa.md (shadd height reduction patterns/splitters): Remove.
4651 2000-08-02 Jim Wilson <wilson@cygnus.com>
4653 * config/ia64/ia64-protos.h (flag_ssa): Declare.
4654 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
4656 2000-08-02 Mark Mitchell <mark@codesourcery.com>
4658 * dce.c: Remove all uses of assert.
4659 * dwarf2out.c: Likewise.
4660 * dwarfout.c: Likewise.
4663 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4665 * gcc.h (lang_specific_driver): Constify second argument.
4666 * gcc.c (translate_options, process_command, main): Likewise.
4667 Constify variables to match. Cast second argument to
4670 * cppspec.c, gccspec.c: Adjust type of second argument to
4671 lang_specific_driver, and update code as necessary.
4673 2000-08-02 Jakub Jelinek <jakub@redhat.com>
4675 * loop.c (scan_loop): Ensure update_end label does not
4676 go away until reg_scan_update is run.
4678 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4680 * c-common.h: Prototype min_precision and c_build_qualified_type here...
4681 * c-tree.h: ... not here.
4682 * errors.h: Prototype fancy_abort.
4684 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
4685 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
4686 * regrename.c (regrename_optimize): Make control flow explicit.
4687 (replace_reg_in_block): Initialize reg_use to 0.
4689 * i386.c (legitimate_address_p): Rename error label to
4690 report_error to avoid namespace clash.
4692 2000-08-02 Kazu Hirata <kazu@hxi.com>
4694 * fold-const.c: Fix formatting.
4696 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
4698 * i386.c (legitimate_address_p): Accept other bases than
4699 pic_offset_table_rtx for GOTOFF constructs.
4701 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4703 * i386.md (shift to lea splitter): Use const_int_operand.
4705 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4707 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
4708 cppspec.c: Do not use 'legal' or 'illegal' in error messages
4711 * cppmain.c (cb_define, cb_undef): Don't generate any output
4712 if not done_initializing.
4713 * cpplex.c (maybe_paste_with_next): When the token after a ##
4714 is an omitted rest argument, only delete the token before it
4715 if that token is a comma. Do not warn about bogus token
4716 pastes for , ## rest_arg.
4719 * cpp.1: Regenerate.
4721 2000-08-02 Fred Fish <fnf@be.com>
4723 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
4724 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
4727 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
4728 Be directories to search path.
4730 Remove support for __declspec(dllimport) and __declspec(dllexport).
4731 This is leftover cruft from the earlier BeOS gcc port when BeOS
4732 used Microsoft's PE object file format.
4733 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
4734 * config/i386/t-beos (winnt.o): Remove Makefile frag.
4735 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
4736 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
4737 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4738 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
4739 (REDO_SECTION_INFO_P): Remove.
4740 (ASM_EXPORT_DECL): Remove.
4741 (ASM_DECLARE_FUNCTION_NAME): Remove.
4742 (ASM_DECLARE_OBJECT_NAME): Remove.
4743 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
4744 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
4745 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
4746 (STRIP_NAME_ENCODING): Remove.
4748 Remove support for obsolete version of BeOS that is no longer
4750 * configure.in (i*86-*-beospe*): Remove.
4751 * config/i386/beos-pe.h: Remove.
4753 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
4754 Mark Mitchell <mark@codesourcery.com>
4756 * Makefile.in (OBJS): Added dce.o.
4757 (ssa.o): Updated target to include ssa.h.
4759 (toplev.o): Likewise.
4760 (dce.o): Created target.
4761 * basic-block.h: Added comments.
4762 (INVALID_BLOCK): Added definition.
4763 (connect_infinite_loops_to_exit): Added declaration.
4764 Moved SSA declarations to ssa.h.
4765 * flow.c: Added inclusion of ssa.h.
4766 (struct depth_first_search_dsS, depth_first_search_ds):
4768 (compute_immediate_postdominators): Added definition.
4769 (connect_infinite_loops_to_exit): Likewise.
4770 (flow_dfs_compute_reverse_init): Likewise.
4771 (flow_dfs_compute_reverse_add_bb): Likewise.
4772 (flow_dfs_compute_reverse_execute): Likewise.
4773 (flow_dfs_compute_reverse_finish): Likewise.
4774 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
4775 (LABEL_P): Added definition.
4778 (BARRIER_P): Likewise.
4779 (JUMP_TABLE_DATA_P): Likewise.
4780 (INSN_DEAD_CODE_P): Likewise.
4781 * ssa.c: Replaced inclusions with ssa.h inclusion.
4782 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
4783 (rename_registers): Removed unnecessary variables.
4784 * ssa.h: Created by moving declarations from ssa.c and
4786 * timevar.def: Defined TV_DEAD_CODE_ELIM.
4787 * toplev.c: Added ssa.h inclusion.
4788 (dump_file_index): Added DFI_dce.
4789 (dump_file): Added "dce" entry.
4791 (f_options): Added dce entry.
4792 * invoke.texi: Document -fdce. Emphasize experimental status of
4796 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
4798 * cpperror.c (v_message): Split into _cpp_begin_message and
4799 v_message macro. All callers updated.
4800 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
4803 * cppfiles.c (cpp_syshdr_flags): New function.
4804 (read_include_file): Don't call cpp_output_tokens. Call
4806 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
4807 (cpp_reader_init): Don't initialize token_buffer. Call
4808 _cpp_init_internal_pragmas.
4809 (cpp_cleanup): Don't clear token_buffer.
4810 (cpp_start_read): Don't worry about output from -D processing.
4811 Don't call cpp_output_tokens.
4812 (cpp_finish): Don't dump macros here. Don't call
4814 * cppmacro.c (_cpp_dump_definition): Rename
4815 cpp_dump_definition. Write directly to a FILE *.
4816 (dump_funlike_macro): Delete.
4817 (dump_macro_args): New.
4819 * cpplex.c (TOKEN_LEN): Convert to inline function.
4820 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
4821 cpp_scan_line, _cpp_dump_list): Delete.
4822 (cpp_printf, cpp_output_list): New.
4823 (output_line_command): Don't worry about entering or leaving files.
4824 (cpp_scan_buffer): Just output each token as we hit it.
4825 (process_directive): Don't call cpp_output_tokens.
4826 (_cpp_glue_header_name): Don't use token_buffer.
4827 (output_token, dump_param_spelling): Write directly to a FILE *.
4829 * cpplib.c (pass_thru_directive, dump_macro_name,
4830 pragma_dispatch, do_pragma_gcc): Delete.
4831 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
4832 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
4834 (do_error, do_warning, pragma_dependency): Call
4835 _cpp_begin_message, then cpp_output_list.
4836 (cpp_register_pragma, cpp_register_pragma_space,
4837 _cpp_init_internal_pragmas): New.
4838 (do_pragma): Walk the pragmas table here.
4839 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
4840 do_pragma_dependency): Return void.
4841 (do_pragma_implementation): Moved to cppmain.c.
4843 * cpplib.h: Update prototypes.
4844 (struct cpp_reader): Remove printer, token_buffer,
4845 token_buffer_size, and limit. Add struct cb, and pragmas.
4846 (struct cpp_printer): Remove last_id and written.
4847 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
4848 CPP_ADJUST_WRITTEN): Delete.
4849 * cpphash.h: Update prototypes.
4850 (ufputs): New wrapper.
4852 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
4853 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
4854 (main): Set up callbacks. Register #pragma implementation.
4855 Dump macros from here.
4857 2000-08-01 Geoff Keating <geoffk@cygnus.com>
4859 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
4860 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
4861 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
4862 insns if they have a REG_MAYBE_DEAD note attached.
4863 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
4864 (rs6000_emit_load_toc_table): TOC loads may go dead.
4866 2000-08-01 Jim Wilson <wilson@cygnus.com>
4868 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
4869 type exists before using it. Use number of words as alignment
4871 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
4872 ia64_va_arg): Propagate ia64_function_args changes here.
4874 2000-08-01 Richard Henderson <rth@cygnus.com>
4876 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
4877 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
4879 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
4881 From Joern Rennecke:
4882 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
4883 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
4884 unless TARGET_SH3E is set.
4885 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
4887 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
4888 (ashlsi3_std): New pattern.
4889 (ashlsi3 expander): Use it for TARGET_SH3.
4890 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
4892 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
4894 * loop.c (canonicalize_condition): Use destination, not source to
4895 determine SET's mode.
4897 2000-07-31 Mark Mitchell <mark@codesourcery.com>
4899 * flow.c (clear_log_links): Fix typo.
4901 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
4903 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
4904 on targets which need more than one insn for a compare/cbranch
4907 2000-07-31 Jim Wilson <wilson@cygnus.com>
4909 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
4910 when computing offset.
4912 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
4914 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
4916 2000-07-31 Geoff Keating <geoffk@cygnus.com>
4918 * flow.c (clear_log_links): Nuke global_live_at_start and
4919 global_live_at_end data, since if the log_links stuff is invalid
4920 so is global_live_at_*.
4922 2000-07-31 Richard Henderson <rth@cygnus.com>
4924 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
4926 2000-07-31 Jakub Jelinek <jakub@redhat.com>
4928 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
4929 (_cpp_get_token): Don't macro expand a just pasted token if it
4930 was pasted at no_expand_level.
4932 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4934 * cppmacro.c (find_param, count_params, save_expansion):
4935 Permit 'defined' as a macro parameter name.
4937 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4939 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
4940 xcpp to cpp throughout.
4941 (native): Remove unnecessary dependency on cpp.
4943 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
4944 tradcpp to tradcpp0.
4945 (.i spec): Add missing output-file spec to cc1 command line.
4946 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
4948 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
4950 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
4951 (implicit_decl_warning): New function.
4952 (implicitly_declare): Use it.
4953 * c-typeck.c (build_external_ref): Use implicit_decl_warning
4954 to complain about implicit decls of builtins.
4956 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
4957 based on pedantic && flag_isoc99, if not already set.
4958 * c-tree.h: Declare mesg_implicit_function_declaration.
4959 Prototype implicit_decl_warning.
4961 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
4963 * Makefile.in (ssa.o): Updated header files in dependences.
4964 * basic-block.h: Added compute_immediate_postdominators declaration.
4965 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
4967 * flow.c (compute_immediate_dominators): Updated comment.
4968 (compute_immediate_postdominators): Added definition.
4969 * rtl.h (HARD_REGISTER_P): Added definition.
4970 * ssa.c: Include additional header files.
4971 (assert): Added definition.
4972 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
4973 include select hard registers.
4974 (ssa_rename_to_insert): Likewise.
4975 (ssa_rename_from_initialize): Likewise.
4976 (ssa_rename_from_lookup): Likewise.
4977 (original_register): Likewise.
4978 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
4979 include select hard reigsters.
4980 (ssa_rename_from_traverse): Likewise.
4981 (ssa_rename_from_free): Likewise.
4982 (ssa_rename_from_print): Likewise.
4983 (ssa_rename_from_print_1): Likewise.
4984 (ssa_rename_from_hash_function): Likewise.
4985 (ssa_rename_from_equal): Likewise.
4986 (ssa_rename_from_delete): Likewise.
4987 (simplify_to_immediate_dominators): Removed in favor of
4988 flow.c:compute_immediate_dominators.
4989 (find_evaluations_1): Modified to work with hard registers.
4990 (insert_phi_node): Likewise.
4991 (insert_phi_nodes): Likewise.
4992 (struct rename_set_data): Updated prev_reg comment.
4993 (create_delayed_rename): Modified to work with hard registers.
4994 (RENAME_NO_RTX): Updated comment.
4995 (apply_delayed_renames): Modified to work with hard registers.
4996 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
4997 (rename_block): Updated to use revised ssa_rename_to interface.
4998 (rename_registers): Updated to use revised ssa_rename_to and
4999 ssa_rename_from interface.
5000 (convert_to_ssa): Revised to use compute_immediate_dominators and
5001 deal with hard registers.
5002 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5003 registers. Added check for illegal unification of hard register.
5004 (make_equivalent_phi_alternatives_equivalent): Modified to work
5005 with hard registers.
5006 (compute_conservative_reg_partition): Likewise.
5007 (coalesce_if_unconflicting): Modified to work with hard registers
5008 and check for conflicting hard registers.
5009 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5011 (rename_equivalent_regs_in_insn): Modified to work with hard
5013 (record_canonical_element_1): Added definition.
5014 (check_hard_regs_in_partition): Added definition.
5015 (convert_from_ssa): Added data structure deallocation and check
5016 for illegal hard register unification.
5017 (conflict_hard_regs_p): Added definition.
5018 * toplev.c (rest_of_compilation): Added comment.
5020 2000-07-31 Anthony Green <green@redhat.com>
5022 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5024 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5026 * builtins.c (expand_builtin_apply): Don't defer pop during
5029 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5031 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5032 preferred_unit_stack_boundary when it is > 1.
5034 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5036 * c-common.c (init_function_format_info): Add C99 format functions
5039 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5040 void' or 'register void' as being the special case of 'void' alone
5041 in a parameter list.
5043 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5044 discarding qualifiers into a plain warning.
5046 2000-07-31 Kazu Hirata <kazu@hxi.com>
5048 * combine.c: Fix formatting.
5050 * h8300.md: Fix formatting.
5052 * local-alloc.c: Fix formatting.
5054 * h8300.c (get_shift_alg): Remove the variable alg.
5055 (emit_a_shift): Rearrange code to improve readability.
5057 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
5059 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
5060 HImode on all architectures and a combination of HImode and SImode
5061 on H8/300H and H8/S.
5063 * h8300.c (split_adds_subs): Rearrange code for conciseness.
5065 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5067 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
5070 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5072 * recog.c (extract_insn): Set operand_mode according to
5073 operand if match_operand is VOIDmode.
5075 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5077 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
5079 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5081 * c-parse.in (extdefs): Call ggc_collect between external
5084 2000-07-30 Michael Hayes <mhayes@cygnus.com>
5085 Richard Henderson <rth@cygnus.com>
5087 * Makefile.in (OBJS): Add doloop.o.
5088 * doloop.c: New file.
5090 * final.c (insn_current_reference_address): Return 0 before final.
5091 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
5092 * jump.c (any_uncondjump_p): Likewise.
5093 * loop.c (indirect_jump_in_function): Make static.
5094 (strength_reduce): Call doloop_optimize.
5095 (insert_bct, instrument_loop_bct): Remove.
5096 * loop.h (doloop_optimize): Prototype.
5097 * recog.c (split_all_insns): Split all INSN_P.
5098 * toplev.c (flag_branch_on_count_reg): Default on.
5100 * config/c4x/c4x.c (c4x_optimization_options): Don't set
5101 flag_branch_on_count_reg.
5102 * config/i386/i386.c (override_options): Likewise.
5103 * config/rs6000/rs6000.c (optimization_options): Likewise.
5105 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
5107 (dbra_ge): Remove, as well as all it's splitters.
5109 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
5112 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
5113 (ia64_register_move_cost): Declare.
5114 * config/ia64/ia64.c (ar_lc_reg_operand): New.
5115 (struct ia64_frame_info): Add ar_size.
5116 (ia64_compute_frame_size): Set it.
5117 (save_restore_insns): Save and restore ar.lc.
5118 (ia64_register_move_cost): New, moved from header file. Handle
5119 application registers.
5120 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
5121 (emit_insn_group_barriers): Special case doloop_end_internal.
5122 (ia64_epilogue_uses): Mark ar.lc live at end.
5123 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
5124 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
5125 (FIRST_PSEUDO_REGISTER): Make room.
5126 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
5127 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
5128 (REG_ALLOC_ORDER): Update.
5129 (HARD_REGNO_MODE_OK): Update.
5130 (REGISTER_NAMES): Update.
5131 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
5132 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
5133 (REGNO_REG_CLASS): Update.
5134 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
5135 (REGISTER_MOVE_COST): Move out of line.
5136 (PREDICATE_CODES): Update.
5137 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
5138 (addsi3_plus1_alt, adddi3_plus1_alt): New.
5139 (shladd_elim splitter): Allow constants in the predicate.
5140 (doloop_end, doloop_end_internal): New.
5142 2000-07-30 Richard Henderson <rth@cygnus.com>
5144 * genattrtab.c (struct insn_def): Add lineno member.
5145 (struct insn_ent): Likewise.
5146 (struct attr_desc): Likewise.
5147 (struct delay_desc): Likewise.
5148 (struct function_unit_op): Likewise.
5149 (struct function_unit): Likewise.
5150 (check_attr_value): Use message_with_line.
5151 (check_defs): Likewise.
5152 (expand_units): Likewise.
5153 (check_attr_test): Take a lineno argument.
5154 (gen_attr): Likewise.
5155 (gen_insn): Likewise.
5156 (gen_delay): Likewise.
5157 (gen_unit): Likewise.
5158 (main): Give it to them.
5159 (convert_set_attr_alternative): Take an insn_def argument
5160 instead of num_alt and insn_index.
5161 (convert_set_attr): Likewise.
5162 (write_test_expr): Protect INSN_ADDRESSES load
5163 with INSN_ADDRESSES_SET_P.
5165 2000-07-30 Richard Henderson <rth@cygnus.com>
5167 * flow.c (init_propagate_block_info): Use pc_set.
5169 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5171 * i386.md (*lea_general_[123]) New insns and splits.
5172 (addsi3 to lea splitter): Handle other modes too.
5173 (shlsi3 to lea splitter): Likewise.
5174 (addhi_1_lea, shlhi_1_lea): New patterns.
5175 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
5177 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5179 * recog.c (general_operand, nonimmediate_operand): Accept
5180 any mode for VOIDmode CONSTANT_P operands.
5182 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5184 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
5185 instead of replace_rtx.
5186 * recog.c (validate_replace_rtx_subexp): New function.
5187 * recog.h (validate_replace_rtx_subexp): Declare.
5189 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5191 * combine.c (simplify_set, make_extraction, make_compound_operation
5192 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
5193 as force_to_mode argument.
5195 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5197 * combine.c (if_then_else_cond): Be sure that mode fits in
5200 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5202 * combine.c (record_promoted_value): Allow bitsize of mode
5203 to be equivalent to HOST_BITS_PER_WISE_INT.
5205 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5207 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
5208 Do not call gen_mode_alignment when mode is BLKmode.
5210 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
5212 * loop.c (express_from_1): Fix call of simplify_gen_binary.
5214 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5216 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
5217 VOIDmode implies both operands to be VOIDmode.
5218 (simplify_ternary_operation): Compute properly the mode of comparison.
5219 * combine.c (combine_simplify_rtx): Likewise.
5221 2000-07-25 Michael Hayes <mph@paradise.net.nz>
5223 * basic-block.h (struct loops): New field rc_order.
5224 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
5225 (flow_loops_free): Free rc_order.
5226 (flow_depth_first_order_compute): New parameter rc_order.
5227 (flow_loops_find): Allocate rc_order and swap usage with
5230 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5231 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5233 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
5234 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
5235 (nodb_call, return_from_epilogue): Likewise.
5236 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
5237 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
5238 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
5239 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5240 (c4x_valid_type_attribute_p): Likewise.
5241 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
5242 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
5244 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5246 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
5247 and loadhi_big_constant if applicable.
5248 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
5249 and add new splitter.s
5251 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5253 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
5255 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5257 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
5259 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5261 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
5263 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5265 * config/c4x/libgcc.S (divqf3): Improve accuracy.
5267 2000-07-27 Mark Mitchell <mark@codesourcery.com>
5269 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
5270 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
5271 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
5272 (get_prev_bb_note): Likewise.
5273 (remove_scope_notes): Likewise.
5274 * flow.c (commit_one_edge_insertion): Likewise.
5275 (merge_blocks_nomove): Likewise.
5276 (verify_flow_info): Likewise.
5277 * gcse.c (insert_insn_end_bb): Likewise.
5278 * reg-stack.c (emit_swap_insn): Likewise.
5279 * ssa.c (first_insn_after_basic_block_note): New function.
5280 (insert_phi_node): Use it.
5281 (rename_block): Likewise.
5282 (eliminate_phi): Likewise.
5283 (make_regs_equivalent_over_bad_edges): Likewise.
5284 (make_equivalent_phi_alternatives_equivalent): Likewise.
5285 (for_each_successor_phi): Likewise.
5286 (convert_from_ssa): Modify phi-node deletion algorithm.
5288 2000-07-29 Andreas Jaeger <aj@suse.de>
5290 * configure.in (mips*-*-linux*): Use mips*el to check for little
5291 endian MIPS, add tmake_file.
5293 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
5294 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
5295 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
5297 2000-07-28 Richard Henderson <rth@cygnus.com>
5299 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
5300 Sign extend mode size before negating.
5302 2000-07-28 Richard Henderson <rth@cygnus.com>
5304 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
5306 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
5308 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
5309 (cse_insn): Likewise.
5310 (addr_affects_sp_p): Likewise.
5311 * expr.c (move_by_pieces): Likewise.
5312 (clear_by_pieces): Likewise.
5313 * gcse.c (oprs_unchanged_p): Likewise.
5314 * haifa-sched.c (sched_analyze_2): Likewise.
5315 * recog.c (offsettable_address_p): Likewise.
5316 * regclass.c (record_address_regs): Likewise.
5317 * reload.c (find_reusable_reload): Likewise.
5318 (push_reload): Likewise.
5319 (operands_match_p): Likewise.
5320 (decompose): Likewise.
5321 (find_reloads_address_1): Likewise.
5322 (find_inc_amount): Likewise.
5323 * reload1.c (elimination_effects): Likewise.
5324 * resource.c (mark_set_resources): Likewise.
5325 * flow.c (attempt_auto_inc): New function; mostly broken out
5327 (find_auto_inc): Split into two functions and enhanced to
5328 generate POST_MODIFY.
5329 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
5330 * rtl.h (count_all_occurrences): Declare.
5331 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
5333 * rtlanal.c (count_all_occurrences): New function.
5334 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
5335 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
5337 * config/ia64/ia64-protos.h (destination_operand): Declare.
5338 * config/ia64/ia64.c (destination_operand): New function.
5339 (ia64_print_operand): Handle POST_MODIFY.
5340 (rtx_needs_barrier): Likewise.
5341 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
5342 (HAVE_POST_MODIFY_REG): Define to 1.
5343 (MAX_REGS_PER_ADDRESS): Change to 2.
5344 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
5345 (LEGITIMATE_ADDRESS_REG): New helper macro.
5346 (LEGITIMATE_ADDRESS_DISP): Likewise.
5347 (PREDICATE_CODES): Add entry for destination_operand.
5348 * config/ia64/ia64.md (all mov patterns): Use destination_operand
5349 predicate for operand 0.
5351 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5353 * dwarf2out.c: Indent #error directive.
5355 * gbl-ctors.h: Fix typo in comment.
5356 (__do_global_ctors): Prototype.
5358 * gcse.c (record_one_set, pre_delete): Remove unused variables.
5360 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
5361 (print_operand): Initialize variable `t'.
5363 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
5365 * config/arm/arm.md ("call_value"): removed constraints.
5366 Constraints are ignored in expanders.
5367 (*call_value_reg): split =rf into various constraints.
5368 (*call_value_mem): same
5369 (*call_value_symbol): same
5370 (*sibcall_value_insn): same
5372 2000-07-28 Philipp Thomas <pthomas@suse.de>
5374 * install.texi (--enable-nls): Change the description of the NLS
5375 related configure options to match the current state.
5376 (--with-included-gettext): Likewise.
5377 (--enable-maintainer-mode): New description added.
5378 * extend.texi (-fstrict-prototype): Add missing '.'.
5380 2000-07-27 Jim Wilson <wilson@cygnus.com>
5382 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
5383 DECL_INITIAL (decl) == NULL_TREE.
5385 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
5387 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
5388 on insn-attr.h with it.
5389 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
5390 * insn-addr.h: New header.
5391 (insn_addresses_): Renamed from insn_addresses.
5392 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
5393 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
5394 INSN_ADDRESSES_NEW): New macros.
5395 * genattrtab.c (write_test_expr): Use new macros.
5396 * final.c (insn_addresses, init_insn_lengths): Likewise.
5397 (align_fuzz, shorten_branches): Likewise.
5398 (final): Likewise. Do not reject new insns if their addresses
5399 have been added to INSN_ADDRESSES.
5400 * config/arm/arm.c, config/avr/avr.c: Use new macros.
5401 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
5402 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
5403 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
5404 * config/sh/sh.c: Likewise.
5405 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
5407 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
5409 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
5411 * gcc.c (struct prefix_list): Add member priority.
5412 (enum path_prefix_priority): Declare.
5413 (add_prefix): Replace ``first'' with ``priority''. Append new
5414 entry but keep list in priority order.
5415 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
5416 PREFIX_PRIORITY_LAST to add_prefix.
5417 (process_command): Move include kludge - foo/stageN - to before
5420 2000-07-27 Jason Merrill <jason@redhat.com>
5422 * dwarf2out.c (gen_typedef_die): Abort if we get identical
5423 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
5425 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
5427 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
5428 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
5430 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
5432 * c-decl.c (finish_function): Don't treat 'main' specially unless
5433 flag_hosted. In C99 mode, return 0 from 'main' unless
5434 DEFAULT_MAIN_RETURN is otherwise defined.
5436 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
5437 parameters defaulting to int in an old-style function definition.
5439 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5441 * c-parse.in (string): For -Wtraditional, warn about string
5442 concatenation only once per line.
5444 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
5446 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
5447 for HI-UX/WE2 systems.
5449 2000-07-24 Bruce Korb <bkorb@gnu.org>
5451 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
5452 defining the __xxx_TYPE__ macros.
5453 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
5454 * fixincl/fixlib.h: don't need to include "tm.h" anymore
5455 * fixincl/inclhack.def(type_map): now obsolete
5457 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
5459 * cpp.texi: Append a trailing full-stop to xrefs where needed.
5461 2000-07-26 Dave Pitts <dpitts@cozx.com>
5463 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
5465 (mvs_hash_alias): New function.
5466 (mvs_add_alias): Change argument spacing.
5467 (mvs_need_alias): Change aliasing criteria. Added documentation.
5468 (mvs_get_alias): Change to use hashed name. The hashed name prevents
5469 CSECT name collisions.
5470 (mvs_check_alias): Likewise.
5471 (handle_pragma): Change documentation.
5472 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
5473 mode from SImode to DImode.
5474 (iorhi3): Changed LTORG size for insn.
5476 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5478 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5479 mem if the address is a mode_dependent_address_p.
5481 2000-07-26 Kazu Hirata <kazu@hxi.com>
5483 * h8300.c (print_operand): Print ":8" when the 'R' operand is
5484 suitable for 8-bit absolute.
5485 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
5486 (OK_FOR_U): Add a case for the 8-bit constant address on the
5489 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
5491 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
5492 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
5493 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
5494 lack of implemented alignment.
5496 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
5498 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
5499 cross-compiling between 64-bit and 32-bit machines.
5501 2000-07-27 Richard Henderson <rth@cygnus.com>
5503 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
5504 (movhicc_astep, movhi_internal_astep): New.
5505 (movsicc_astep, movsi_internal_astep): New.
5506 (movdicc_astep, movdi_internal_astep): New.
5507 (movsfcc_astep, movsf_internal_astep): New.
5508 (movdfcc_astep, movdf_internal_astep): New.
5509 (movxfcc_astep, movxf_internal_astep): New.
5510 (cmovdi_internal_astep, cmovsi_internal_astep): New.
5511 Unify the cmov[ds]i splitters.
5513 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
5515 * real.c (asctoeg): Rename `error' label to unexpected_char_error
5517 2000-07-26 Nick Clifton <nickc@cygnus.com>
5519 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
5520 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
5522 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
5523 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
5525 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
5527 * c-decl.c (finish_enum): Convert enumerations that fit in an
5529 (build_enumerator): In pedantic mode, cast to `int' those that
5532 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
5534 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
5536 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5538 * sh.md (cmpgtdi_t): Must be split.
5539 (cmpgtdi_t+1): New splitter.
5541 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5543 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
5544 warnings for indented directives even if we are skipping.
5546 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
5548 * invoke.texi (strict-prototypes): Remove.
5549 * extend.texi (Deprecated Features): Add strict-prototypes.
5550 (Backwards Compatibility): New node.
5552 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5554 * config/i386/i386.md (andsi_1+1): Allow HImode.
5555 (andsi_1+2): Require q_regs_operand.
5557 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5559 * config/i386/i386.md (call_pop): Check operands[0],
5560 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5562 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5563 (call_value): Likewise.
5565 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5567 * toplev.c (pipe_closed): Delete.
5568 (crash_signal): New. Generate ICE for a fatal signal.
5569 (float_signal): Call crash_signal outside a float-handler
5571 (main): Install crash_signal as handler for core-dumping signals.
5573 2000-07-25 David Edelsohn <edelsohn@gnu.org>
5575 * rs6000.c (print_operand, case 'T'): New case.
5577 * rs6000.md (call_indirect_aix32): Convert to expander of
5578 scheduled instructions.
5579 (call_indirect_aix64): Likewise.
5580 (call_value_indirect_aix{32,64}): Likewise.
5581 (call, call_value): Invoke expanders for AIX. Fall through to
5583 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
5584 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
5585 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
5586 only "g" constraint.
5587 (call_nonlocal_aix64): Likewise.
5588 (call_value_nonlocal_aix{32,64}): Likewise.
5589 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
5591 (call_value_nonlocal_sysv): New pattern.
5592 (indirect_jump{si,di}): Use new 'T' modifier.
5593 (tablejump{si,di} matchers): Likewise.
5594 (return_internal_{si,di}): Likewise.
5595 (return_eh_{si,di}): Likewise.
5597 2000-07-24 Richard Henderson <rth@cygnus.com>
5599 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
5600 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
5601 * config/ia64/ia64.md (movdi_internal): Use it.
5603 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
5605 * cppexp.c: Warn about unary + if -Wtraditional.
5606 * cpplex.c (lex_line): Always set BOL on the first token of a line.
5608 2000-07-24 Michael Meissner <meissner@redhat.com>
5610 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
5613 2000-07-24 Nick Clifton <nickc@cygnus.com>
5615 * config/arm/arm.c (emit_multi_reg_push): Generate a
5616 REG_FRAME_RELEATED_NOTE that is compatable with the code in
5617 dwarf2out_debug_frame_expr.
5619 2000-07-24 Jason Merrill <jason@redhat.com>
5621 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
5622 UNALIGNED_INT_ASM_OP.
5623 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
5624 a location expression.
5625 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
5626 assume indirect access if we're saving the CFA address exactly.
5628 * Makefile.in (bootstrap): Move -BstageN/ to the end.
5630 2000-07-24 Jakub Jelinek <jakub@redhat.com>
5632 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
5635 2000-07-24 Michael Meissner <meissner@redhat.com>
5637 * invoke.texi (D30V Options): Add d30v options.
5639 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
5641 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
5642 needed by our gcse pass anymore.
5643 (free_pre_mem): Corresponding changes.
5644 (compute_pre_data): Do not call compute_transpout anymore.
5646 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
5647 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
5650 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
5651 (compute_pre_data): Do it here instead.
5653 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
5655 (pre_delete): Corresponding changes.
5657 2000-07-23 Mark Mitchell <mark@codesourcery.com>
5659 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
5660 to figure out whether or not a variable has already been emitted.
5662 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
5664 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
5665 instead of gen_call.
5667 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
5669 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
5671 2000-07-23 Kazu Hirata <kazu@hxi.com>
5673 * h8300.c: Fix formatting.
5675 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
5677 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
5678 for `long' switch expression into a plain warning.
5680 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
5681 (yylex): Don't pedwarn for "inline" in C99 mode.
5683 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
5685 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
5686 ggc_alloc): Likewise.
5687 * bb-reorder.c (dump_scope_forest_1): Likewise.
5689 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
5691 * reload.c (find_reloads_toplev): Add new parameter
5693 (find_reloads): Add new parameter to find_reloads_toplev calls.
5695 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
5697 * collect2.c (main): Typo fixed.
5698 * diagnostic.c: Typo fixed.
5699 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
5700 * eh-common.h: Typo fixed.
5701 * emit-rtl.c (start_sequence): Typo fixed.
5702 * flow.c (find_label_refs): Typo fixed.
5703 (calculate_global_regs_live): Typo fixed.
5704 (mark_regno_cond_dead): Typo fixed.
5705 (create_edge_list): Typos fixed.
5706 (verify_edge_list): Typo fixed.
5707 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
5708 * loop.c (strength_reduce): Typo in function name fixed.
5709 * rtl.h: Added comments. Typo in function name fixed.
5710 * rtlanal.c: Typo in function name fixed.
5711 (insn_dependant_p): Rename to ...
5712 (insn_dependent_p): ... this.
5713 (computed_jumo_p): Typo fixed.
5715 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5717 * system.h (__FUNCTION__): Wrap definition in #ifndef.
5719 2000-07-21 David Edelsohn <edelsohn@gnu.org>
5721 * rs6000.h (SIZE_TYPE): Define.
5723 2000-07-21 Mark Mitchell <mark@codesourcery.com>
5725 * ssa.c (rename_insn_1): Don't rename registers that are
5728 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
5730 * diagnostic.c (trim_filename, fancy_abort): Moved here from
5732 (fatal_function, set_fatal_function): Removed.
5733 (fatal): Don't prepare for or call the fatal_function.
5734 (diagnostic_lock, error_recursion): New.
5735 (diagnostic_for_decl, report_diagnostic): Guard against
5736 re-entering the error reporting routines.
5737 (fancy_abort): Assume function is not NULL.
5739 * errors.c (fancy_abort): New. Assume function is not NULL.
5740 * tradcpp.c (fancy_abort): Assume function is not NULL.
5742 * system.h: Provide default definition of __FUNCTION__.
5743 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
5744 Always use __FUNCTION__ in definition of abort.
5746 * varray.h: Likewise.
5747 * toplev.h: Likewise. Don't prototype set_fatal_function.
5749 2000-07-20 Geoff Keating <geoffk@cygnus.com>
5751 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
5753 * glimits.h: Don't do #if defined for ARCH_PPC.
5755 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
5756 constants of size no larger than a pointer should go in the TOC.
5757 Add 'MODE' parameter.
5758 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
5759 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
5760 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
5761 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
5762 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
5763 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
5764 (rs6000_legitimize_address): Likewise.
5765 (rs6000_emit_move): Likewise.
5766 (rs6000_select_rtx_section): Likewise.
5767 (output_toc): Deal properly with outputting small constants like
5768 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
5769 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
5770 MODE parameter. Put small constants in the TOC.
5772 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
5774 (rs6000_emit_move): When reload calls us with an illegitimate
5775 address, exit early. Move the change_address calls to one place
5776 at the end of the routine. Merge the SImode and DImode expanders.
5777 When called by reload to put an integer into a FP register, force
5780 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
5782 (rs6000_hash_constant): Hash mode too.
5783 (toc_hash_function): Allow for key_mode.
5784 (toc_hash_eq): Structures are different if key_mode differs.
5785 (output_toc): Add 'mode' parameter. Save key_mode.
5786 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
5787 Pass 'mode' parameter.
5788 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
5790 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
5791 for vtable references.
5793 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
5794 choice, don't put integer values in FP regs.
5796 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
5798 * flow.c (verify_flow_info): Revamp code to verify that the
5799 head and end of each basic block are in the insn chain.
5801 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
5803 * gcse.c (record_one_set): Prepend instead of append onto
5804 reg_set_table, making it O(n) instead O(n^2).
5805 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
5806 Use a queue instead of a stack as worklist.
5808 2000-07-20 Kazu Hirata <kazu@hxi.com>
5810 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
5811 * h8300.h (OK_FOR_T): New.
5812 (EXTRA_CONSTRAINT): Support OK_FOR_T.
5813 * h8300.md: Use inc/dec.[wl] for increment/decrement
5814 by 1 and 2 in HI and SI modes.
5816 2000-07-20 Jim Wilson <wilson@cygnus.com>
5818 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
5819 larger than 14 bits.
5821 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
5823 * cppmacro.c (CAN_PASTE_AFTER): New macro.
5824 (count_params): Don't set GNU_REST_ARGS on anything.
5825 (save_expansion): Set PASTE_LEFT only on tokens for which
5826 CAN_PASTE_AFTER is true, or which are named operators.
5828 * cpplex.c (parse_args): Distinguish between a rest argument
5829 given one empty argument, and a rest argument given zero arguments.
5830 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
5831 deletion of previous token based on that.
5832 (get_raw_token): Flatten some control structure.
5834 * cpplib.h (CPP_LAST_EQ): Correct.
5835 (VOID_REST): New token flag.
5836 (GNU_REST_ARGS): Delete.
5838 * tradcpp.c (main): Don't munge -D options.
5839 (make_definition): Bring -D handling in line with cpplib.
5840 (do_define): Strip all leading whitespace from macro definitions.
5842 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
5844 * Makefile.in (tradcpp): Depend on intl.o and version.o.
5846 2000-07-20 Bruce Korb <bkorb@gnu.org>
5848 * fixincl/check.tpl: strip the platform specific types before testing
5849 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
5850 * fixincl/fixincl.tpl: use platform specific types
5851 * fixincl/fixlib.h: include the platform specific types
5852 * fixincl/inclhack.def(gnu_types): don't supply the types
5853 * fixincl/fixincl.x: regen
5855 2000-07-19 Jim Wilson <wilson@cygnus.com>
5857 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
5860 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5862 * tradcpp.c (rescan): Do not recognize directives when the #
5865 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5867 Implement C++ named operators.
5869 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
5870 of operators allowed in #if and having an _EQ variant. Add
5871 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
5872 (cpp_token flags): Add NAMED_OP.
5873 (enum node_type): Add T_OPERATOR.
5874 (struct cpp_hashnode): Add code slot to value union.
5875 * cpphash.h (spec_nodes): Remove n_defined.
5877 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
5878 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
5879 (is_macro_disabled): Tweak error messages.
5881 * cpplib.c (get_define_node): Disallow all named operators as
5882 macro names. Tweak error messages.
5883 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
5885 * cppinit.c (builtin_array): Add entries for the named operators.
5886 * cppexp.c (lex): Check for CPP_DEFINED token.
5887 (priority table): Add entries for CPP_MIN and CPP_MAX.
5888 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
5890 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
5892 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
5893 larger than the array of cuids.
5894 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
5897 2000-07-19 Bruce Korb <bkorb@gnu.org>
5899 * fixinc/fixincl.c: Convert to using a table of environment variables
5900 and activate the auto-edit marker on the fixed output files.
5901 * fixinc/fixlib.h: Define the environment table
5902 * fixinc/fixincl.sh: export the ${INPUT} dir
5903 * fixinc/check.tpl: likewise
5905 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
5907 * gcc.c (.h spec): Fix typo.
5909 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
5911 * Makefile.in: Fix tradcif.c path.
5913 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
5915 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
5918 * cpphash.h (TOKEN_NAME): New macro.
5919 (_cpp_spell_operator): Deleted.
5920 (token_spellings): Now _cpp_token_spellings.
5922 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
5923 * cpplex.c: Use OP and TK macros when expanding the
5924 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
5925 store the stringification of the enumeration name (CPP_CHAR,
5926 etc.) in the name slot of token_spellings.
5927 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
5928 token_spellings directly.
5929 * cpplib.c: Use TOKEN_SPELL.
5931 * cpplex.c (_cpp_push_token): If the token being pushed back
5932 is the previous token in this context, just subtract one from
5934 * cppmacro.c (save_expansion): Clear aux field when storing a
5937 2000-07-18 Jakub Jelinek <jakub@redhat.com>
5939 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
5940 buffer, provided it is not NULL.
5942 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
5944 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
5945 case of invalid volatile re-declaration.
5947 2000-07-18 Jakub Jelinek <jakub@redhat.com>
5949 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
5950 (expand_call): Adjust caller.
5952 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
5954 * diagnostic.h (report_diagnostic): Change prototype.
5956 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
5957 diagnostic_for_decl): Change prototype.
5958 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
5959 error, warning, error_with_file_and_line,
5960 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
5961 Adjust call to report_diagnostic, diagnostic_for_decl.
5962 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
5963 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
5965 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
5966 varaible argument list.
5968 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
5970 * cpphash.c: Don't include hashtab.h. Most macro-handling code
5971 moved to cppmacro.c.
5972 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
5973 dump_hash_helper): Delete.
5974 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
5975 cpp_forall_identifiers): New. Implement specialized version of
5976 Vlad's expandable hash table.
5977 (cpp_lookup): Use new functions.
5978 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
5980 * cppmacro.c: New file.
5981 * cppinit.c (dump_macros_helper): New.
5982 (cpp_finish): Iterate over the identifier table directly.
5983 * cpplex.c (parse_name): Calculate the hash of the identifier
5984 while we scan it. Use _cpp_lookup_with_hash when we can.
5986 * cpphash.h: Update prototypes.
5987 (xcnewvec, HASHSTEP): New helper macros.
5988 * cpplib.h: Update prototypes.
5989 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
5990 (cppmacro.o): New rule.
5991 (cpphash.o): Update deps.
5993 * cppmain.c: Do not set pfile->printer if no_output is on.
5995 2000-07-15 Neil Booth <neilb@earthling.net>
5997 * cpplib.c: Change all directive-handler functions to return
5999 * cpphash.h: Update typedefs.
6001 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6003 * configure: Regenerate.
6005 * extend.texi (Extended Asm): Mention that a memory clobber
6006 does not count as a side-effect.
6008 * unroll.c (copy_loop_body): Fix one instance of using host
6009 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6012 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6014 2000-07-17 Richard Henderson <rth@cygnus.com>
6016 * config/ia64/ia64.md (movdi): Split out load address code.
6017 New post-reload splitter for symbolic operands.
6018 (movdi_internal): Abort if we didn't split symbolic operands
6019 when we should have.
6020 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6021 (ia64_reorg): Split insns when not optimizing.
6022 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6024 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6026 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6027 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6029 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6031 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6033 2000-07-17 Jason Merrill <jason@redhat.com>
6035 * Makefile.in (clean): Remove libgcc directory.
6037 * configure.in (-Wno-long-long check): Use higher-level macros.
6039 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6041 * simplify-rtx.c (simplify_binary_operation): Recognize
6042 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6043 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6044 a CONST_INT, it will always be zero.
6046 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6048 * loop.c (check_dbra_loop) : Return if more than one condition is
6049 present to control the loop.
6051 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
6053 * mips.c (mips_expand_prologue): Don't calculate the last argument
6054 register unless we need it. When we are calculating this, make
6055 sure FUNCTION_ARG is giving us a REG.
6057 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6059 * flow.c (libcall_dead_p): Use single_set to verify the insn
6060 has only one set and get for analysis.
6061 (propagate_one_insn): Don't pass the PATTERN of the insn.
6063 2000-07-17 Mark Klein <mklein@dis.com>
6065 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
6067 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6069 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
6070 * configure.in (TARGET_GETGROUPS_T): Evaluate.
6071 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
6072 of second argument of getgroups.
6073 * configure, config.in: Rebuilt.
6075 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6077 * simplify-rtx.c (simplify_relational_operation): Two signed
6078 values with equal high words are less/greater than each other if
6079 their low words are less/greater when considered as unsigned.
6081 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
6083 * configure.in (vax-*-openbsd): Change to new style configuration,
6084 add collect2/float_format information.
6085 * configure: Rebuilt.
6086 * config/vax/openbsd1.h: New.
6087 * config/vax/openbsd.h: New.
6088 * config/vax/t-openbsd: New.
6090 2000-07-17 Chip Salzenberg <chip@valinux.com>
6092 * c-common.c (shorten_compare): Quiet warnings about unsigned
6093 comparisons with zero when they occur in a system header.
6095 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6097 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
6098 update to describe current practice.
6100 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
6102 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
6103 references to C9X. Change references to -fstd and -flang-isoc9x
6106 * c-common.c (scan_char_table): Allow "z" length modifiers on
6108 (check_format_info): Use TYPE_DOMAIN on the type matched against
6109 for "z" formats, to retrieve the language size_t rather than the
6112 * c-common.c (check_format_info): Do not make a pedantic objection
6113 to the 'L' length modifier if used with a floating point type
6116 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
6117 constants in C99 mode.
6119 2000-07-17 Kazu Hirata <kazu@hxi.com>
6121 * h8300.md: Fix the format of mac.
6122 (movsi_h8300hs): Output a tab after stmac instead of a space.
6124 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
6125 profitable adds/subs sequences.
6127 * fold-const.c: Fix comment typos.
6129 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
6131 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
6133 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6135 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
6137 2000-07-16 Neil Booth <NeilB@earthling.net>
6139 * cpplex.c: Update comments.
6140 * README.Portability: Small update.
6142 2000-07-16 Neil Booth <NeilB@earthling.net>
6144 * README.Portability: Small update.
6146 2000-07-15 Richard Henderson <rth@cygnus.com>
6148 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
6149 * config/ia64/ia64.c (ia64_move_ok): New function.
6150 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
6151 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
6153 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
6155 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
6156 immediately following a paste operator.
6157 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
6158 (cpp_reader_init): Call it, if HOST_EBCDIC.
6159 (cpp_handle_options): Do not sort option list here.
6160 (handle_option): Rename to cpp_handle_option and export.
6161 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
6162 _cpp_get_token directly.
6163 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
6164 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
6165 * cpplib.h: Prototype cpp_handle_option. Update prototype of
6168 2000-07-15 Richard Henderson <rth@cygnus.com>
6170 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
6171 cast around an expression. Tidy other unsigned tests.
6173 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
6175 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
6176 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
6177 (v_message_with_decl): Rename to ...
6178 (format_with_decl): ... this. Tweak
6179 (diagnostic_for_decl): New function.
6180 (fatal_io_error): Use verbatim in lieu of notice.
6181 (announce_function): Use verbatim.
6182 (default_print_error_function): Likewise.
6183 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
6186 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6188 * mips.c (function_arg_pass_by_reference): Don't do automatic
6189 aggregate initialization.
6190 (machine_dependent_reorg): Initialize variable `mode'.
6192 * mips.md (absdi2): Change variable `regno1' to unsigned int.
6193 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
6194 conflicts with sys/param.h macro of the same name.
6195 (reload_outdi): Likewise.
6197 2000-07-15 Michael Meissner <meissner@redhat.com>
6199 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
6200 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
6201 create a new node instead.
6203 2000-07-15 Neil Booth <NeilB@earthling.net>
6205 * README.Portability: Correct example about calling a function
6206 through a pointer to function. Format wide paragraphs.
6208 2000-07-15 Michael Meissner <meissner@redhat.com>
6210 * README.Portability: Update integer suffixes and function
6213 2000-07-15 Neil Booth <NeilB@earthling.net>
6215 * README.Portability: Small update.
6217 2000-07-15 Neil Booth <NeilB@earthling.net>
6219 * README.Portability: New file.
6221 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
6223 * INSTALL: Give special instructions for building GCC on Irix 6.
6224 * config/mips/x-iris6 (CC): Don't set it.
6227 2000-07-14 Jason Merrill <jason@redhat.com>
6229 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
6230 register in the stack and later in another register, use the new
6233 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6235 * config/mips/mips.md: (absdi2): Handle sign_extend for
6238 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
6240 * cpplib.c (do_pragma_dependency): Tidy warning messages.
6242 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
6244 * .cvsignore: Correct typo.
6246 2000-07-13 Mark Mitchell <mark@codesourcery.com>
6248 * .cvsignore: Add generated YACC files.
6249 * objc/.cvsignore: New file.
6251 2000-07-14 Neil Booth <NeilB@earthling.net>
6253 * cpplex.c (adjust_column): New funcion.
6254 (skip_whitespace): Use it.
6255 (skip_block_comment): Use it, and warn about /*/* with
6258 2000-07-14 Neil Booth <NeilB@earthling.net>
6260 * cpphash.c (struct macro_info): Add new members.
6261 (_cpp_free_definition): Delete the macro directly.
6262 (count_params): Return void, with first token of
6263 expansion in struct macro_info on success.
6264 (parse_define): Return int. Hoist syntax checking from
6265 save_macro_expansion. Leave call to save_expansion to
6266 _cpp_create_definition.
6267 (alloc_macro): Needs just 2 arguments.
6268 (free_macro): Delete.
6269 (save_expansion): Don't perform syntax check.
6270 (_cpp_create_definition): Call save_expansion.
6272 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6274 * genrecog.c (write_header): Split long string.
6276 * cpphash.c (macro_info): Don't use the `signed' keyword.
6278 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
6280 2000-07-13 Jakub Jelinek <jakub@redhat.com>
6282 * calls.c (stored_args_map): New variable.
6283 (check_sibcall_argument_overlap_1): New.
6284 (check_sibcall_argument_overlap): New.
6285 (expand_call): Initialize stored_args_map.
6286 Call check_sibcall_argument_overlap.
6288 2000-07-13 Bruce Korb <bkorb@gnu.org>
6290 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
6291 (emit_gnu_type): utility procedure for gnu_type_fix
6292 (gnu_type_fix): implement various pre-processor guards around
6293 standard types so these types can be defined over and over
6294 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
6295 types alluded to above will have GNU-compliant base types
6296 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
6297 * fixinc/inclhack.def: add test_text entries and utilize the new
6298 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
6299 * fixinc/fixincl.x: regenerate
6301 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6303 * diagnostic.c (vline_wrapper_message_with_location,
6304 v_message_with_file_and_line, v_error_with_file_and_file,
6305 v_error_for_asm, v_warning_for_asm, vfatal,
6306 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
6307 vsorry, verror, vwarning, vpedwarn): Remove.
6308 (diagnostic_for_asm): New function.
6309 (pedwarn, error, warning, pedwarn_with_file_and_line,
6310 error_with_file_and_line, warning_with_file_and_line, sorry,
6311 error_for_asm, warning_for_asm, fatal): Reimplement.
6312 (finish_diagnostic): Clear diagnostic info as well.
6314 2000-07-13 Neil Booth <NeilB@earthling.net>
6316 * c-common.h (flag_digraphs): New.
6317 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
6318 * c-lex.c (yylex): Use flag_digraphs to decide whether to
6321 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
6323 * gcc.c (do_spec_1): Add new %B operator.
6324 (set_input): Prepare for %B.
6326 (link_command_spec): Move up with the other tm.h-
6327 overrideable specs. Factor out the portion conditional on
6328 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
6329 (struct compiler): Just have a single spec string. All users
6331 (default_compilers): Remove unnecessary braces.
6332 (static_specs): Update.
6334 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
6336 (C and assembly specs): Use the new named specs, as appropriate.
6338 * objc/lang-specs.h: Use the new named specs.
6339 Remove unnecessary braces.
6341 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6343 * gcc.c (execute): If a subprocess gets a fatal signal, report
6344 strsignal() of the signal number, and ask for a bug report.
6345 Do not do this for SIGPIPE if there's already been an error.
6347 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
6350 * tradcif.c: Remove.
6352 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6354 * final.c (profile_function): Do not emit profile counters in
6355 the data section, if NO_PROFILE_COUNTERS is defined.
6356 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
6359 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
6360 (FUNCTION_PROFILER): Just emit a call to mcount.
6362 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6364 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
6366 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6367 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
6368 traditional, lang_chill, or lang_fortran.
6370 * cppfiles.c: #undef strcmp to suppress warning about macros
6371 used without arguments.
6372 (_cpp_execute_include): Use f, not fname, in "No include path"
6374 (_cpp_pop_file_buffer): New function.
6375 * cpplib.c: Don't include <sys/mman.h>.
6376 (cpp_push_buffer): Set line_base and lineno in new buffer.
6377 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
6379 * cpplex.c: Move all prototypes and structure declarations to the
6380 top of the file. Properly parenthesise some macro arguments.
6381 (cpp_scan_line): New function.
6382 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
6383 don't need to walk up the stack counting.
6385 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6387 * c-common.c (combine_strings): Emit a pedantic warning when a
6388 string length is greater than the minimum ANSI C is required
6391 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
6393 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
6394 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
6396 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6398 * c-decl.c (define_label): Warn about identifier conflicts with
6399 labels in traditional C.
6401 * c-parse.in (unop +): Warn about the unary plus operator for
6404 * c-typeck.c (store_init_value): Warn about automatic aggregate
6405 initialization for traditional C.
6407 * invoke.texi (-Wtraditional): Document new warnings.
6409 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6411 * Makefile.in (c-errors.o): Fix thinko in dependency.
6413 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6415 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
6416 -traditional, -ftraditional, or -traditional-cpp was given.
6417 Do not pass -traditional to the preprocessor.
6418 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
6419 preprocessor does it automatically.
6420 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
6422 * ch/lang-specs.h: Always use tradcpp. Do not pass
6423 -traditional, -trigraphs, or -pedantic to the preprocessor.
6424 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
6427 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6429 * cppexp.c (LOGICAL): Delete macro.
6430 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
6433 * cpphash.c (HASHSIZE): Increase to 4096.
6434 (struct hashdummy): Add hash field.
6435 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
6436 the string values using memcmp.
6437 (cpp_lookup): Set dummy.hash.
6439 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
6441 * configure.in (m88k-openbsd): Express configuration using new fragment
6443 * configure: Rebuilt.
6444 * m88k/aout-dbx.h: New.
6445 * m88k/openbsd.h: New.
6446 * m88k/xm-openbsd.h: New.
6448 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6450 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
6452 2000-07-12 Richard Henderson <rth@cygnus.com>
6454 * reload.c (push_secondary_reload): Make sure to add the new
6455 reload at the end, after acquiring secondary memory.
6457 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6459 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
6461 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
6462 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
6464 * c-parse.in (stmt): Delete unused variables.
6466 * convert.c (convert_to_vector): Likewise.
6468 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
6470 * tree.c (finish_vector_type): Prototype.
6472 2000-07-12 Bruce Korb <bkorb@gnu.org>
6474 * fixinc/fixfixes.c: use xmalloc
6475 * fixinc/fixincl.c(initialize): set program name for xmalloc
6476 * fixinc/fixlib.c(must_malloc): obsolete
6477 (is_cxx_header): no longer used - disabled
6478 (skip_quote): inserted and disabled for future use
6479 * fixinc/fixlib.h: reflects above
6480 * fixinc/fixtests.c: removed dinkleberries
6482 2000-07-12 Neil Booth <NeilB@earthling.net>
6484 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
6485 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6487 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
6488 struct toklist_dummy): New.
6489 (cpp_free_definition): Free macros with free_macro.
6490 (count_params): Don't save paramter spellings. Save macro
6491 information in a struct macro_info.
6492 (parse_define): Don't allocate a token list.
6493 (save_expansion): Allocate the macro's token list, and
6494 save parameter spellings if necessary. Use TOKEN_SPELL.
6495 (cpp_create_definition): Make list const.
6497 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6499 * c-typeck.c (pedwarn_c99): Move to
6500 * c-errors.c: ... Here.
6501 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
6502 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
6503 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
6504 (c-errors.o): List dependency.
6506 2000-07-12 Mark Mitchell <mark@codesourcery.com>
6508 * c-parse.c: Remove.
6509 * c-parse.h: Likewise.
6510 * c-parse.y: Likewise.
6511 * objc/objc-parse.c: Likewise.
6512 * objc/objc-pasre.y: Likewise.
6514 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
6516 * gcc.texi: Fix minor typos
6517 * extend.texi: Fix minor typos
6519 2000-07-11 Marc Espie <espie@openbsd.org>
6521 * collect2.c (main): Recognize .lo as object files.
6523 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6525 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
6528 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
6529 with MAP_ANONYMOUS and MAP_ANON.
6530 * configure, config.in: Rebuilt.
6532 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6534 * diagnostic.c (save_output_state): Remove.
6535 (restore_output_state): Likewise.
6536 (clear_text_info): New function.
6537 (clear_diagnostic_info): Likewise.
6538 (output_text_length, is_starting_newline, output_prefix,
6539 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
6540 prefixing_policy, output_buffer_ptr_to_format_args): New macros
6541 (set_real_maximum_length, output_set_maximum_length,
6542 output_set_prefix, output_get_prefix, output_set_maximum_length,
6543 output_destroy_prefix, init_output_buffer,
6544 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
6545 output_add_newline, output_add_character, output_add_space,
6546 output_append_r, output_append, wrap_text, output_format,
6547 output_do_printf, output_printf, output_do_verbatim,
6548 output_verbatim, verbatim): Use them.
6549 (output_clear): Split into cleat_text_info and
6550 clear_diagnostic_info.
6551 (struct output_state): Move to...
6553 * diagnostic.h: ...Here
6554 (struct output_buffer): Adjust.
6556 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
6558 * cpplex.c (parse_name): No longer inline (premature optimization).
6559 (do_pop_context): Fold into pop_context.
6560 (pop_context): Returns int.
6561 (lex_next): Hoist test for end of directive into pop_context.
6562 (push_macro_context): Returns int; takes just reader and token.
6563 Hoist test for excessive nesting to caller.
6564 (push_arg_context): Returns void; takes just reader and token.
6565 Do not call stringify_arg or get_raw_token.
6566 (get_raw_token): Convert tail recursion through push_arg_context
6567 to a loop at this level. Call stringify_arg here if appropriate.
6568 (maybe_paste_with_next): Convert tail recursion to a while loop.
6569 Hoist test of paste_level to caller.
6571 (stringify_arg): Push arg context at beginning.
6572 (cpp_get_token): Split out core into _cpp_get_token. Call
6573 process_directive here. Throw away CPP_PLACEMARKER tokens.
6574 (_cpp_get_token): Convert tail recursion through
6575 push_macro_context to a loop at this level.
6576 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
6577 _cpp_get_raw_token): Use _cpp_get_token.
6578 (_cpp_skip_rest_of_line): Drop the context stack directly; do
6579 not call pop_context.
6580 (_cpp_run_directive): Call lex_next directly.
6582 * cpphash.h: Prototype _cpp_get_token.
6583 * cppexp.c (lex): Use it.
6584 * cpphash.c (parse_define): Use it.
6585 * cpplib.c (get_define_node, do_undef, parse_include,
6586 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
6587 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
6588 parse_ifdef, validate_else): Use it.
6589 (cpp_push_buffer): Tweak error message; abort if anyone tries
6590 to push a buffer while macro expansions are stacked.
6592 2000-07-11 Donn Terry <donnte@microsoft.com>
6594 * cpplex.c (free_macro_args, save_token): Cast arg of free
6595 and/or xrealloc to PTR.
6596 (_cpp_init_input_buffer): Clear all fields of the base context.
6598 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
6600 * gensupport.c (process_rtx): Make rtl checking stop
6601 complaining about the define_insn while it is being
6602 converted from a define_insn_and_split.
6604 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
6606 * config/mips/mips.c (simple_memory_operand): Access the
6607 INTVAL of the address, not it's containing MEM.
6609 2000-07-11 Bruce Korb <bkorb@gnu.org>
6611 * fixinc/fixtests.c(double_slash): obsolete
6612 (else_endif_label): likewise
6613 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
6614 (libc1_ifdefd_memx): correct initial comment
6615 and omit the #if/#endif pair from the memxxx declarations
6616 * fixinc/fixincl.x: regen
6618 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6620 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
6622 2000-07-11 Neil Booth <NeilB@earthling.net>
6626 2000-07-11 Neil Booth <NeilB@earthling.net>
6628 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
6629 (handle_option): Set digraphs according to standard.
6630 Merge OPT_lang_c89 handler with OPT_std_c89.
6632 * cpplex.c: (lex_line, can_paste): Honour digraphs in
6633 accordance with the digraphs flag.
6635 * cpplib.h: (struct cpp_options): New option digraphs.
6637 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
6638 Bruce Korb <bkorb@gnu.org>
6640 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
6641 * fixinc/fixincl.x: Regenerate.
6642 * fixinc/tests/base/testing.h: Add testcase.
6644 2000-07-10 Richard Henderson <rth@cygnus.com>
6646 * config/ia64/ia64.c (got_symbolic_operand): New.
6647 (symbolic_operand, move_operand): Revert 0701 change.
6648 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6649 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
6650 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
6651 split the offset into a 14-bit low part instead of a 13-bit low part.
6652 (load_fptr): Mark the mem as unchanging.
6653 (load_symptr): Use got_symbolic_operand.
6655 2000-07-10 Nick Clifton <nickc@cygnus.com>
6657 * libgcc2.c (next_stack_level): Cast result of computation to
6658 (void **) so that the assignment does not generate a warning.
6660 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
6662 * flags.h : Add new variable flag_single_precision_constant.
6663 * toplev.c (display_help) : Add -fsingle-precision-constant option.
6664 (flag_single_precision_constant): New.
6665 * c-lex.c (yylex): Convert floating point constant to single
6667 * invoke.texi : Add documentation for this new option.
6669 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6671 * diagnostic.c (output_octal): Second parameter is unsigned.
6672 (output_long_octal): Likewise.
6673 (output_hexadecimal): Likewise.
6674 (output_long_hexadecimal): Likewise.
6675 (output_format): Adjust arguments extraction. Tweak.
6676 (output_verbatim, verbatim): End variable argument list.
6677 (report_diagnostic): Improve documentation.
6679 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
6681 * c-common.h (build_stmt): Declare.
6682 (build_continue_stmt): Likewise.
6683 (build_break_stmt): Likewise.
6684 (build_return_stmt): Likewise.
6686 * c-decl.c (do_case): Rewrite to do what previously done in
6689 * c-semantics.c (build_stmt): Define.
6690 (build_return_stmt): Likewise.
6691 (build_break_stmt): Likewise.
6692 (build_continue_stmt): Likewise.
6693 (build_case_label): Likewise.
6695 * c-parse.in (BREAK): Change to build tree, then generate RTL.
6696 (CONTINUE): Likewise.
6699 (DEFAULT): Likewise.
6701 * c-parse.y: Regenerate.
6702 * c-pasre.c: Likewise.
6704 2000-07-09 Jason Merrill <jason@redhat.com>
6706 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
6708 * tree.h (STRIP_NOPS): Check for error_mark_node.
6709 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
6710 (dwarf2out_*): Remove duplicate declarations.
6712 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
6713 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
6715 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6717 * diagnostic.c (wrap_text): New function.
6718 (maybe_wrap_text): Likewise.
6719 (output_add_string): Use it.
6720 (output_format): Likewise.
6721 (count_error): Use verbatim instead of notice.
6722 (report_error_function): Likewise. Don't use plain fprintf.
6723 (finish_diagnostic): New function.
6724 (output_do_verbatim): Tweak. Commonalize functionalities in
6725 output_verbatim and verbatim.
6726 (output_verbatim): Adjust.
6727 (verbatim): Likewise.
6728 (report_diagnostic): Define.
6730 * diagnostic.h (report_diagnostic): Prototype.
6732 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
6734 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
6736 2000-07-09 Neil Booth <NeilB@earthling.net>
6738 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
6739 IShspace, ISspace: Update.
6741 * cppinit.c: ISTABLE: Update.
6744 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
6745 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
6746 (skip_block_comment, skip_line_comment, parse_string,
6747 lex_line): Use is_vspace rather than IS_NEWLINE.
6748 (skip_whitespace, lex_line): Clean up to use is_nvspace.
6749 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
6751 (lex_next): Unconditionally stop if within a directive.
6752 Treat directives within macro invocations as directives
6753 (after parse_args emits error), not as the argument.
6755 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
6757 * diagnostic.c (diagnostic_args): New macro.
6758 (diagnostic_msg): Likewise.
6759 (output_formatted_integer): Likewise.
6760 (output_state): New data type.
6761 (digit_buffer): Make global.
6762 (output_add_integer): Rename to output_decimal. Squeeze
6764 (output_long_decimal, output_unsigned_decimal,
6765 output_long_unsigned_decimal, output_octal, output_long_octal,
6766 output_hexadecimal, output_long_hexadecimal): New functions.
6767 (output_append_r): New function.
6768 (output_append): Tweak.
6769 (output_flush_on): Rename to output_to_stream.
6770 (output_format): Change prototype. Improve documentation. Handle
6771 more format specifiers.
6772 (build_location_prefix): Rename to context_as_prefix.
6773 (output_notice): Rename to output_do_printf.
6774 (output_printf): Tweak.
6775 (line_wrapper_printf): Likewise.
6776 (vline_wrapper_message_with_location): Adjust call to renamed
6778 (v_message_with_decl): Likewise.
6779 (default_print_error_function): Likewise.
6780 (save_output_state): New function.
6781 (restore_output_state): Likewise.
6782 (output_do_verbatim): Likewise.
6783 (output_verbatim): Define.
6784 (verbatim): Likewise.
6786 * diagnostic.h (printer_fn): Change return type from void to int.
6787 Improve documentation.
6788 (output_add_integer): Rename to output_decimal.
6789 (output_flush_on, output_format): Don't export.
6790 (output_verbatim, verbatim): Declare.
6792 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
6794 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
6795 Check whether c divides op1 exactly if operation is not
6798 2000-07-08 Richard Henderson <rth@cygnus.com>
6800 * final.c (final): Do not abort when reg-stack introduces
6803 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
6805 * cpplib.h (struct cpp_name): Now struct cpp_string.
6806 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
6807 CPP_HEADER_NAME): Change to type S.
6808 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
6809 field, a cpp_hashnode *. All references to val.name updated
6810 to use val.str or val.node as appropriate.
6811 (struct cpp_reader): Add spec_nodes field.
6812 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
6814 * cpphash.h (struct spec_nodes): New.
6815 (enum spell_type): Reorder. Only SPELL_STRING tokens use
6816 val.str. All references to 'spelling > SPELL_NONE' updated to
6819 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
6820 pfile->buffer->inc are not NULL before dereferencing them.
6822 * cpplex.c (parse_name): Take a pointer to the current token,
6823 plus current position and limit as args; return the new
6824 position; don't copy the text of a name into the string
6825 buffer, instead call cpp_lookup and store the node pointer.
6826 If extending a token, copy out the text of the old into a
6827 scratch buffer, append the new, look that up and store the new
6828 node pointer. Inline.
6829 (maybe_paste_with_next): If the result of paste is a NAME,
6830 then look up the pasted text and store its node pointer.
6831 (lex_line): Adjust for new parse_name interface.
6832 Check for L"str", L'str' using spec_nodes->n_L.
6833 (spell_token): SPELL_IDENT tokens have their spelling in
6834 val.node->name. Handle SPELL_STRING tokens that don't have
6836 (_cpp_expand_name_space,
6837 (can_paste): Check for L ## "str" using spec_nodes->n_L.
6838 (cpp_get_token, special_symbol): No need to call cpp_lookup.
6839 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
6840 return 1=equal 0=not, not a tristate.
6842 * cpphash.c (var_args_str): Delete.
6843 (find_param): Compare node fields directly.
6844 (is__va_args__): Use CPP_PEDANTIC. Just compare
6845 token->val.node with spec_nodes->n__VA_ARGS__.
6846 (dump_funlike_macro): Don't use var_args_str.
6848 * cpplib.c (_cpp_check_directive): Just walk through
6849 spec_nodes->dirs comparing pointers.
6850 (get_define_node, do_pragma_poison, detect_if_not_defined,
6851 parse_ifdef): The identifier has already been looked up.
6852 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
6854 (do_if): Only call detect_if_not_defined at beginning of file.
6855 (_cpp_parse_assertion): Only copy string pointers for
6856 SPELL_STRING tokens.
6857 (pragma_dispatch): Take a node pointer and examine its name
6859 (_cpp_init_stacks): Also initialize the spec_nodes structure.
6861 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
6863 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
6864 reverse order from the corresponding _cpp_init_* routines.
6866 * cppexp.c (parse_number, parse_charconst, parse_defined,
6867 lex): Check val.node->type instead of calling cpp_defined.
6868 Use spec_nodes entries where appropriate.
6870 * fix-header.c, scan-decls.c: Update for interface changes.
6872 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
6874 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
6875 emitting aux_truncdfsf2.
6877 2000-07-03 Donn Terry (donnte@microsoft.com)
6879 * cppinit.c (print_help): split overlong line into ISO C89
6882 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
6884 * cppexp.c: Update all code for new lexer interface.
6885 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
6886 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
6887 * cpplex.c (token_names): Trim leading CPP_ from names; make
6888 the strings unsigned.
6889 (_cpp_spell_operator): New.
6890 (is_macro_disabled): Disable all macros if rescanning
6892 (_cpp_get_directive_token): Remove.
6894 * cppinit.c: Don't set no_macro_expand.
6895 * cpplib.c (read_line_number, do_line): Check only for EOF,
6897 * cpphash.h: Update prototypes.
6898 * cpplib.h (CPP_VSPACE): Remove.
6899 (struct cpp_reader): Remove no_macro_expand.
6901 2000-07-08 Neil Booth <NeilB@earthling.net>
6903 * cpphash.c (is__va_args__): New function.
6904 (count_params): Fix line reported in error messages. Use
6905 is__va_args__. Don't return ')' on error. Flag GNU style
6906 rest args macro definitions.
6907 (parse_define): Check macro name is not __VA_ARGS__.
6908 (save_expansion): Check identifier in non-varargs-macro is
6909 not __VA_ARGS__. Don't flag GNU_VARARGS.
6910 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
6911 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
6912 than per-token GNU_VARARGS.
6913 * cpplib.h (GNU_VARARGS): Remove.
6914 (GNU_REST_ARGS): New.
6916 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
6918 * i386.md (call_pop, call, call_value_pop): Do not set
6919 current_function_uses_pic_offset_table for calls to static
6920 functions or indirect calls.
6922 2000-07-07 Jim Wilson <wilson@cygnus.com>
6924 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
6925 is_predicate_reg, then take max write_count of register pair.
6927 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6929 * tradcpp.c (main): Rename label `include' to `add_include' to
6930 avoid conflicts with variable `include' in traditional C.
6932 2000-07-07 Jakub Jelinek <jakub@redhat.com>
6934 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
6936 2000-07-07 Jakub Jelinek <jakub@redhat.com>
6938 * sibcall.c (uses_addressof): Add INMEM argument, check for
6939 current_function_internal_arg_pointer outside of MEM rtxs in addition
6941 (sequence_uses_addressof): Update caller.
6943 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
6945 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
6948 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6950 * system.h (UNION_INIT_ZERO): New macro for initializing union
6953 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
6955 2000-07-07 Neil Booth <NeilB@earthling.net>
6959 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
6961 * final.c (final): Detect out of bounds array access to
6962 the insn_lengths array.
6964 2000-07-07 Kazu Hirata <kazu@hxi.com>
6966 * fold-const.c (fold): Fix a comment typo.
6968 2000-07-07 Neil Booth <NeilB@earthling.net>
6970 * cpp.texi: Update to new lexer.
6972 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
6974 * tradcpp.c: New file.
6975 * tradcif.y: New file.
6976 * tradcif.c: New generated file.
6978 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
6979 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
6980 dependencies of C. Install tradcpp from install-common, in
6983 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
6985 * cppinit.c: Include cppdefault.h. Refer to
6986 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
6987 to GCC_INCLUDE_DIR and its length.
6988 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
6989 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
6990 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
6992 (include_defaults_array): Move to cppdefault.c.
6994 * cppdefault.h: New file.
6995 * cppdefault.c: New file.
6997 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
6998 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
6999 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7002 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7004 * reload.c (push_reload): When seeing if can reuse a register,
7005 check extra registers against widest of INMODE and OUTMODE.
7007 2000-07-06 Neil Booth <NeilB@earthling.net>
7009 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7010 based on full length of predicate.
7012 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7014 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7015 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7017 2000-07-05 Kazu Hirata <kazu@hxi.com>
7019 * h8300-proto.h: Fix formatting.
7020 * h8300.c: Likewise.
7021 * h8300.h: Likewise.
7023 2000-07-05 Jim Wilson <wilson@cygnus.com>
7025 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7028 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7030 * invoke.texi: Fix minor typos
7031 * md.texi: Fix minor typos
7033 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7035 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7037 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7039 * cpplex.c: Don't include sys/mman.h.
7040 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7042 * cpplib.c: Include sys/mman.h and obstack.h.
7043 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7045 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7046 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7047 bother freeing if stack entries (they will be freed with their buffer).
7048 (do_endif): Free if stack entries from the buffer obstack.
7049 (push_conditional): Allocate if stack entries from the buffer obstack.
7051 (find_answer): Rename to _cpp_find_answer.
7052 (do_assert, do_unassert): Update.
7054 * cpphash.h: Update prototypes.
7055 (xobnew): New convenience macro.
7056 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
7058 (struct cpp_hashnode): Remove disabled field.
7060 * cppinit.c: Don't include hashtab.h or splay-tree.h.
7061 (report_missing_guard): Moved to cppfiles.c.
7062 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
7064 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
7065 cpp_cleanup_includes. Don't destroy hashtab or
7066 all_include_files here.
7067 (cpp_finish): Use _cpp_report_missing_guards.
7069 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
7070 (_cpp_init_include_table): Rename _cpp_init_includes.
7071 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
7073 * cppexp.c (parse_assertion): Update for new name of
7076 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
7078 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7080 * cpplib.c (do_ident): s/VSPACE/EOF/
7082 2000-07-05 Neil Booth <NeilB@earthling.net>
7084 * cpplex.c: Fix trigraph replacement within strings.
7086 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7088 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
7090 * xcoffout.c (assign_type_number): Constify.
7091 (xcoffout_source_file): Add static prototype. Don't needlessly
7092 cast away const-ness.
7094 2000-07-04 Jason Merrill <jason@redhat.com>
7096 * frame.h (frame_state): Move base_offset to end.
7098 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7100 * calls.c (emit_library_call_value_1): Revert previous change.
7102 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7104 * fix-header.c (struct partial_proto): Remove unnecessary fields.
7105 (recognized_extern, recognized_function, read_scan_file):
7106 Update for new scheme.
7107 (check_protection): It's still a multiple include guard even
7108 if it doesn't always trigger.
7109 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
7111 * scan.h: Declare struct cpp_token. Update prototypes.
7113 2000-07-03 Neil Booth <neilb@earthling.net>
7114 Zack Weinberg <zack@wolery.cumb.org>
7116 Complete overhaul of the lexer and macro expander.
7118 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
7119 arg, arglist, argdata, reflist, collect_objlike_expansion,
7120 collect_funlike_expansion, collect_params,
7121 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
7122 unsafe_chars, macarg, compare_defs, special_symbol,
7123 scan_arguments, stringify, funlike_macroexpand,
7124 _cpp_quote_string, monthnames): Delete.
7125 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
7126 _cpp_create_definition, _cpp_dump_definition,
7127 dump_hash_helper): Adjust.
7128 (find_param, count_params, parse_define, var_args_str,
7129 check_macro_redefinition, save_expansion): New.
7131 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
7132 parse_string, output_line_command, trigraph_replace,
7133 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
7134 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
7135 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
7136 _cpp_skip_rest_of_line): Modify.
7138 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
7139 find_position, null_warning, bump_column, expand_name_space,
7140 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
7141 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
7142 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
7143 _cpp_prescan): Delete.
7145 (dump_param_spelling, process_directive, lex_next,
7146 is_macro_disabled, stringify_arg, expand_context_stack,
7147 output_token, make_string_token, alloc_number_token,
7148 special_symbol, duplicate_token, maybe_paste_with_next,
7149 can_paste, prevent_macro_expansion, restore_macro_expansion,
7150 get_temp_token, release_temp_tokens, quote_string,
7151 token_names, token_spellings, _cpp_expand_name_space,
7152 _cpp_glue_header_name, _cpp_reserve_name_space,
7153 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
7154 placemarker_token, eof_token, cpp_context, macro_args,
7155 get_raw_token, parse_arg, parse_args, save_token,
7156 push_arg_context, push_macro_context, pop_context,
7157 do_pop_context, free_macro_args, _cpp_get_line,
7158 _cpp_run_directive): New.
7160 * cpplib.c (validate_else, parse_include, push_conditional,
7161 pass_thru_directive, read_line_number, parse_ifdef,
7162 detect_if_not_defined, _cpp_check_directive, do_define,
7163 do_undef, do_include, do_import, do_include_next, do_error,
7164 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
7165 top_pragmas, do_pragma_gcc, do_pragma_implementation,
7166 do_pragma_poison, do_pragma_system_header,
7167 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
7168 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
7169 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
7170 cpp_defined): Update for new scheme.
7171 (strtoul_for_line, get_define_node, dump_macro_name,
7172 _cpp_check_linemarker, _cpp_parse_assertion): New.
7173 (_cpp_handle_directive, do_pragma_default): Delete.
7175 * cpphash.h (struct predicate): Now struct answer.
7176 (enum spell_type, struct token_spelling, struct directive,
7177 directive_handler): New.
7178 Update prototypes. Remove unused macros.
7179 * cpplib.h: Update prototypes. Remove unused macros,
7180 structure definitions, and fields.
7182 * cpperror.c (print_containing_files, v_message): Adjust.
7183 * cppexp.c (parse_assertion, lex, parse_escape,
7184 _cpp_parse_expr): Adjust.
7185 * cppfiles.c (open_include_file, _cpp_execute_include,
7186 _cpp_compare_file_date, cpp_read_file, read_include_file):
7188 * cppinit.c (dump_special_to_buffer): Delete.
7189 (append_include_chain, merge_include_chains, cpp_reader_init,
7190 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
7191 cpp_finish, handle_option, print_help): Adjust.
7192 * cppmain.c (main): Adjust.
7194 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7196 * cppspec.c (lang_specific_driver): Use double quotes in error
7199 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7201 * calls.c (emit_library_call_value_1): Use valreg instead
7202 of hard_libcall_value.
7204 2000-07-03 Geoff Keating <geoffk@cygnus.com>
7206 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
7207 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
7208 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
7216 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
7217 mode instead of wider_mode is being used.
7219 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7221 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
7222 of 'r'. Use q_regs_operand.
7223 (andsi_1+2): Use q_regs_operand.
7225 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7227 * builtins.c (get_memory_rtx): Always put into alias set 0.
7229 2000-07-03 Nick Clifton <nickc@cygnus.com>
7231 * config/arm/arm.md: Fix post increment and pre increment
7232 peepholes so that they do not generate UNPREDICATBLE opcodes.
7233 (ie ones where the increment clobbers the source/destination).
7235 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
7237 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
7238 change too big for -mtiny-stack" a warning, if larger than 63.
7239 (out_set_stack_ptr): Change the logic so -mno-interrupts is
7240 always safe to use on possible future devices.
7241 (function_prologue): Write SPH before SPL, for consistency.
7242 If interrupt_func_p true, we know we have enabled interrupts.
7243 (avr_num_arg_regs): New function. Round up to even number of
7244 bytes if no -mpack-args or if calling a libgcc function.
7245 (function_arg, function_arg_advance): Use it.
7246 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
7247 Output "movw" if available.
7248 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
7249 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
7250 (asm_output_section_name): Add blanks for consistent output.
7251 (encode_section_info): Set TREE_READONLY for progmem data to
7252 avoid gas warnings about changed section attributes.
7253 (avr_hard_regno_mode_ok): Force non-QImode data to start in
7254 even numbered registers on devices with "movw".
7255 * config/avr/avr.h (MASK_*): Define bits for target_flags.
7256 (TARGET_SWITCHES): Mark help strings for translation.
7257 Add new -mpack-args and -menhanced switches.
7258 (TARGET_OPTIONS): Mark help strings for translation.
7259 (progmem_section): Add section attributes.
7260 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
7261 Output "movw" if available.
7262 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
7264 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
7265 call convention (arguments aligned on even registers).
7266 (_cleanup, _exit): Make weak symbols libc can override.
7268 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7270 * fp-bit.h: New file.
7272 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
7273 Comment #endif statements.
7274 (__thenan_sf, __thenan_df): Add missing braces around initializer.
7276 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
7278 * gcse.c (compute_pre_data): Compute ae_kill using other local
7279 properties instead of calling compute_ae_kill.
7281 * alias.c (init_alias_analysis): Do not call
7282 prologue_epilogue_contains until after reload has completed.
7284 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
7286 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
7287 (genrtl_finish_compound_stmt): Likewise.
7288 (genrtl_compound_stmt): Change to return void.
7290 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
7291 move code from here to ...
7292 (genrtl_compound_stmt): ... here.
7293 (genrtl_finish_compound_stmt): Remove.
7294 (expand_stmt): Add comment.
7296 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
7298 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
7301 2000-07-02 Jakub Jelinek <jakub@redhat.com>
7303 * cpplib.h (struct cpp_reader): New field include_depth.
7304 (struct cpp_printer): Rename last_bsd to last_id.
7305 * cppfiles.c (read_include_file): Bump include_depth.
7306 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
7307 (output_line_command): Output correct #line if a header
7308 is including itself and is not protected against multiple inclusion.
7309 Use include_depth instead of buffer_stack_depth, last_id instead of
7311 * cppinit.c (cpp_start_read): Initialize last_id instead of
7314 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
7316 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
7317 (c-semantics.o): New target.
7319 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
7320 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
7321 (genrtl_clear_out_block): Likewise.
7322 (genrtl_goto_stmt): Likewise.
7323 (genrtl_expr_stmt): Likewise.
7324 (genrtl_decl_stmt): Likewise.
7325 (genrtl_if_stmt): Likewise.
7326 (genrtl_while_stmt): Likewise.
7327 (genrtl_do_stmt): Likewise.
7328 (genrtl_return_stmt): Likewise.
7329 (genrtl_for_stmt): Likewise.
7330 (genrtl_break_stmt): Likewise.
7331 (genrtl_continue_stmt): Likewise.
7332 (genrtl_scope_stmt): Likewise.
7333 (genrtl_switch_stmt): Likewise.
7334 (genrtl_case_label): Likewise.
7335 (genrtl_begin_compound_stmt): Likewise.
7336 (gerntl_finish_compound_stmt): Likewise.
7337 (genrtl_compound_stmt): Likewise.
7338 (genrtl_asm_stmt): Likewise.
7339 (genrtl_decl_cleanup): Likewise.
7340 (DECL_ANON_UNION_ELEMS): Likewise.
7341 (emit_local_var): Likewise.
7342 (make_rtl_for_local_static): Likewise.
7343 (expand_cond): Likewise.
7344 (expand_stmt): Likewise.
7345 (c_expand_return): Likewise.
7346 (c_expand_start_case): Likewise.
7347 (do_case): Likewise.
7348 (COMPOUND_STMT_NO_SCOPE): Likewise.
7349 (c_expand_asm_operands): Likewise.
7350 (NEW_FOR_SCOPE_P): New macro.
7351 (expand_expr_stmt_fn): New type.
7353 (set_current_function_name_declared): Likewise.
7354 (current_function_name_declared): Likewise.
7355 (lang_expand_stmt): Likewise.
7356 (stmts_are_full_exprs_p): Likewise.
7357 (anon_aggr_type_p): Likewise.
7358 (lang_expand_expr_stmt): Likewise.
7359 (build_case_label): Likewise.
7361 * c-decl.c (lang_expand_expr_stmt): Initialize.
7362 (stmts_are_full_exprs_p): Define.
7363 (current_function_name_declared): Likewise.
7364 (do_case): Likewise.
7365 (lang_expand_stmt): Likewise.
7366 (set_current_function_name_declared): Likewise.
7367 (anon_aggr_type_p): Likewise.
7369 * c-semantics.c: New file.
7370 (expand_cond): Moved from cp/semantics.c.
7371 (genrtl_do_pushlevel): Likewise.
7372 (genrtl_clear_out_block): Likewise.
7373 (genrtl_goto_stmt): Likewise.
7374 (genrtl_expr_stmt): Likewise.
7375 (genrtl_decl_stmt): Likewise.
7376 (genrtl_if_stmt): Likewise.
7377 (genrtl_while_stmt): Likewise.
7378 (genrtl_do_stmt): Likewise.
7379 (genrtl_return_stmt): Likewise.
7380 (genrtl_for_stmt): Likewise.
7381 (genrtl_break_stmt): Likewise.
7382 (genrtl_continue_stmt): Likewise.
7383 (genrtl_scope_stmt): Likewise.
7384 (genrtl_switch_stmt): Likewise.
7385 (genrtl_case_label): Likewise.
7386 (genrtl_begin_compound_stmt): Likewise.
7387 (genrtl_finish_compound_stmt): Likewise.
7388 (genrtl_compound_stmt): Likewise.
7389 (genrtl_asm_stmt): Likewise.
7390 (genrtl_decl_cleanup): Likewise.
7391 (make_rtl_for_local_static): Moved from cp/decl.c.
7392 (emit_local_var): Likewise.
7393 (expand_stmt): Define.
7395 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
7396 (c_expand_return): Likewise.
7397 (c_expand_start_case): Likewise.
7399 2000-07-01 Richard Henderson <rth@cygnus.com>
7401 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
7402 with the low 13 bits set.
7403 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
7404 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
7405 of the low 13 bits into a CONST plus an adddi3.
7406 (load_symptr): Set RTX_UNCHANGING_P.
7408 See ChangeLog.3 for earlier changes.