1 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * c-decl.c (finish_decl): Add else's to avoid referencing
4 TYPE_DOMAIN of an ERROR_MARK.
6 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
8 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
11 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
13 * config/avr/avr.md (neghi2): Add alternative for input and output
14 operands in different registers, as in negsi2.
15 (*negsi2): Remove '*' from the name. Use "movw" if available.
17 2000-09-19 Jim Wilson <wilson@cygnus.com>
19 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
20 HAVE_GAS_HIDDEN macro.
22 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
24 * cpplex.c (lex_line): Drop the EOF token for unknown
25 directives in assembler.
27 2000-09-19 David Edelsohn <edelsohn@gnu.org>
29 * configure.in: Allow enable_threads_flag value of "aix". Define
30 thread_file as "aix" for AIX 4.3 and above.
31 * configure: Regenerated.
33 * gthr-aix.h: New file.
35 * rs6000/t-aix43: Replace soft-float multilib with pthread.
36 Remove 403 processor multilib match. Fix rios2 processor multilib
39 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
40 to return to appropriate csect.
42 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
46 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
47 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
50 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
53 * c-common.c (init_function_format_info): Handle __builtin_printf.
54 Set `check_function_format_ptr'.
55 (c_common_nodes_and_builtins): Set `puts_ftype' and
56 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
57 __builtin_printf and printf.
59 * tree.c, tree.h (check_function_format_ptr): Declare.
61 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
63 * cppfiles.c (read_include_file): Take no special action for
66 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
68 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
69 rather than that of branch.
70 (shorten_branches): Don't increment insn_current_address twice.
72 Undo most of the Wed Jan 27 23:39:53 1999 patch:
73 * loop.h (struct induction): Delete members derived, ix and last_use.
74 (struct loop_ivs): Delete members first_increment_giv and
76 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
77 recombine_givs): Delete functions.
78 (find_and_verify_loops): Don't initialize cont_dominator.
79 (strength_reduce): Lose code to try to find bivs that can be
80 expressed as givs of another biv, and to convert biv increments
82 Lose loop_scan_start variable, always use loop->scan_start.
83 Don't call recombine_givs. Don't handle derived givs.
84 (record_giv): Don't initialize derived and last_use fields.
85 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
87 * unroll.c (derived_regs): Delete static variable.
88 (unroll_loop): Don't initialize it.
89 (copy_loop_body): Lose code to handle derived givs.
90 (find_splittable_givs): Don't check for givs made from biv
92 Don't set derived_regs.
94 Fix misapplied earlier patch:
95 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
97 (floatsisf2): Generate floatsisf_ie by default.
98 (floatsisf_i4): Conditional on TARGET_SH4.
100 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
101 predicate for the expanders.
103 2000-09-19 Richard Henderson <rth@cygnus.com>
105 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
106 in addition to pentium and pentiumpro symbols.
107 (CPP_CPU_DEFAULT_SPEC): Likewise.
109 * c-typeck.c (c_expand_asm_operands): Restore the output tree
112 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
113 if the tree has side effects.
114 (warn_if_unused_value): Do not warn about void constructs.
116 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
118 * unroll.c (copy_loop_body): Update LABEL_NUSES before
121 2000-09-18 Geoff Keating <geoffk@cygnus.com>
123 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
126 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
128 * Makefile.in (c-common.o): Depend on diagnostic.h.
130 * c-common.c: Include diagnostic.h.
132 (status_warning): New function.
133 (check_format_info, maybe_read_dollar_number, check_format_types,
134 finish_dollar_format_checking, check_function_format): Accept a
135 `status' parameter. All callers changed.
137 * c-common.h (check_function_format): Accept a `status' parameter.
139 * c-typeck.c: Update call to `check_function_format'.
141 2000-09-18 Richard Henderson <rth@cygnus.com>
143 * c-decl.c (c_expand_body): Call mark_varargs before
144 expand_function_start.
146 2000-09-18 Geoff Keating <geoffk@cygnus.com>
148 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
149 * config/rs6000/eabi-ci.asm: Likewise.
151 2000-09-18 Richard Henderson <rth@cygnus.com>
153 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
156 2000-09-18 Jim Wilson <wilson@cygnus.com>
158 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
159 before passing it to fold_rtx_mult_add.
161 * unroll.c (final_giv_value): Pass increment through
162 extend_value_for_giv before passing it to emit_iv_add_mult.
164 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
165 paradoxical subreg, then directly substitute the replacement and
168 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
170 * cpp.texi: Update documentation, including some clarifications,
171 the treatment of various newline combinations, and space between
172 backslash and newline.
174 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
176 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
177 Replace ASM_OUTPUT_LABELREF with assemble_name.
179 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
181 * sh.c (addsubcosts): CONST is not cheap.
182 (find_barrier): For Sh1, take alignment after jumps into account.
184 2000-09-15 Andrew Haley <aph@redhat.com>
186 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
187 remove all SETs of SUBREGs of hard registers.
188 * function.c (purge_hard_subreg_sets): New function.
189 (purge_single_hard_subreg_set): New function.
190 * rtl.h: (purge_hard_subreg_sets): New function.
192 2000-09-18 Richard Henderson <rth@cygnus.com>
194 * config/ia64/ia64-protos.h: Update.
195 * config/ia64/ia64.c (signed_inequality_operator): New.
196 (ia64_expand_compare): New.
197 (ia64_register_move_cost): Handle PR_REGS moves.
198 (ia64_secondary_reload_class): Require a GR when moving to a PR.
199 (struct reg_write_state): Add written_by_and/or.
200 (struct reg_flags): Add is_and/or.
201 (rws_update): Set them.
202 (rws_access_regno): Test them to allow parallel comparisons.
203 (rtx_needs_barrier): Recognize parallel comparisons.
204 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
205 Call recog_memoized; ignore pred_rel_mutex.
206 (emit_predicate_relation_info): Don't call find_basic_blocks here.
207 (ia64_reorg): Do it here instead.
208 * config/ia64/ia64.h: s/CCmode/BImode/g
209 (MODES_TIEABLE_P): Don't tie BImode.
210 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
211 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
212 (RTX_COSTS): Make multiply 4 insns.
213 (MEMORY_MOVE_COST): New.
214 (PREDICATE_CODES): Update.
215 * config/ia64/ia64.md: s/CCmode/BImode/g
216 (movcci, movbi): New.
217 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
218 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
219 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
220 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
221 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
222 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
223 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
224 (mulsi, muldi): Use xmpy not xma.
226 (movcc, movcc_internal): Remove.
227 (branch expanders): Use ia64_expand_compare.
228 (setcc expanders): Likewise.
229 (cmov insns): Use move_operand and ia64_move_ok.
230 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
231 scheduler from moving it past a use.
232 * config/ia64/build.hacks: Remove.
234 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
236 * cpphash.h (HASHSTEP): Take character rather than pointer
238 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
240 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
242 * cpplex.c (auto_expand_name_space, trigraph_replace,
243 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
244 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
245 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
246 KNOWN_DIRECTIVE): Delete.
248 (handle_newline, check_long_token, skip_escaped_newlines,
249 unterminated): New functions.
250 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
252 (parse_identifier): Was parse_name, new implementation.
253 (skip_line_comment, skip_block_comment, skip_whitespace,
254 parse_number, parse_string, trigraph_ok, save_comment,
255 adjust_column, _cpp_get_line): New implementations.
257 (lex_token): New function. Lexes a token at a time, looking
258 forwards. Contains most of the guts of the old lex_line.
259 (lex_line): New implementation, using lex_token to obtain
261 (cpp_scan_buffer): Use the token's line, not the list's line.
263 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
265 (do_assert): Don't bother setting the answer's list's line.
266 (cpp_push_buffer): Initialise new pfile and read_ahead members
267 of struct cpp_buffer.
269 * cpplib.h (cppchar_t): New typedef.
270 (struct cpp_buffer): read_ahead, pfile and col_adjust are
272 (struct lexer_state): New structure that determines the state
273 and behaviour of the lexer.
274 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
275 (struct cpp_reader): New member "state". Rename
276 multiline_string_line and multiline_string_column. Delete
277 col_adjust, in_lex_line members.
278 (CPP_BUF_COLUMN): Update.
280 2000-09-18 Richard Henderson <rth@cygnus.com>
282 * combine.c (simplify_comparison): Shift a NOT out of a single
285 * combine.c (if_then_else_cond): Canonicalize BImode true to
287 * explow.c (trunc_int_for_mode): Likewise.
289 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
290 the NOT for De Morgan's rule.
291 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
292 of a comparison to the reverse comparison.
294 * combine.c (try_combine): Allow split to create a single insn.
296 * machmode.def: Add BImode. Add a column for bitsize.
297 * machmode.h (DEF_MACHMODE): Adjust for extra column.
298 (GET_MODE_BITSIZE): Use it.
299 * rtl.c (DEF_MACHMODE): Adjust for extra column.
301 (mode_mask_array): Use bitsize.
302 * combine.c (combine_simplify_rtx): Require inner and outer
303 modes to match on nonzero_bits optimizations.
305 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
307 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
308 its entry in spill_reg_store.
309 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
310 * sh.c (reg_no_subreg_operand): New function.
311 * sh-protos.h (reg_no_subreg_operand): Declare it.
312 * sh.h (PREDICATE_CODES): Add it.
313 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
314 input operand that needs to be in fpul.
315 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
316 * sh.c (find_barrier): Take into account that machine_dependent_reorg
319 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
321 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
323 (sh_expand_epilogue): Take the PIC register into account when
324 computing the frame size.
326 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
327 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
328 LABEL_REFs with a PIC-safe unspec.
330 2000-09-18 Will Cohen <wcohen@redhat.com>
332 * extend.texi (Zero Length): State that static initializers for
333 zero-length arrays are not allowed.
335 * c-typeck.c (process_init_element): Flag initializers for zero
338 * tree.c (integer_all_onesp): Ignore TREE_INT_CST_HIGH if prec is
339 exactly HOST_BITS_PERWIDE_INT.
341 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
343 * c-common.c (check_format_info): Properly save the argument
344 number and parameter for $ operand number formats in case width
345 and precision arguments are also used. Allow printf width and
346 precision arguments to have operand numbers even if none was
347 specified for the main format, since this is OK for %*.*m. Only
348 object to missing $ operand number if the format used requires an
351 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
353 * c-common.c (format_char_info): Add 'W' flag to comment.
354 (print_char_table, scan_char_table): Use it.
355 (check_format_info): Use the 'W' flag to determine whether a
356 format argument is written into.
358 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
360 * c-common.c (check_format_types): Reorganise and clean up,
361 checking earlier for ERROR_MARKs and making cur_type into its
362 TYPE_MAIN_VARIANT where convenient.
364 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
366 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
368 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
370 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
372 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
373 * i386.c (struct builtin_description): New.
374 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
375 (mmx_reg_operand): Declare MODE arg as unused.
376 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
377 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
378 ix86_expand_binop_builtin, ix86_expand_store_builtin,
379 ix86_init_builtins, ix86_expand_builtin): New functions.
380 * i386.h (ix86_builtins): New enumeration.
381 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
382 * i386.md (attr length_immediate): 0 for mmx/sse types.
383 (attr prefix_0f): 1 for mmx/sse types.
384 (setcc_2): Remove "*" so we get gen_setcc_2.
385 (emms): Account for changed register numbering. Set "memory" attr
387 (sfence): Set "memory" attr to unknown.
389 2000-09-18 Andreas Jaeger <aj@suse.de>
391 * configure.in: Define _GNU_SOURCE only when using the GNU C
393 * configure: Regenerated.
394 * config.in: Regenerated.
396 2000-09-17 Mark Mitchell <mark@codesourcery.com>
398 * cppinit.c (cpp_init): Don't use ANSI prototypes.
399 * flow.c (flow_dump_loop): Likewise.
400 (flow_loops_dump): Likewise.
402 * c-typeck.c (c_start_case): Fix typo.
404 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
406 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
407 to int for plain complex which defaults to complex double. Do
408 warn about defaulting to complex double if pedantic. Warn about
409 complex integer types if pedantic. Warn about complex types if
410 pedantic and not in C99 mode.
411 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
412 for complex conjugation.
414 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
416 * contrib.texi: Update my entry.
418 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
420 * config/avr/avr.md (mcu_enhanced): New attribute.
421 (mcu_mega): Likewise.
422 (extendhisi2): Use mcu_enhanced.
423 (zero_extendhisi2): Likewise.
424 (call_insn): Use mcu_enhanced and mcu_mega.
425 (call_value_insn): Likewise.
426 (*sbrx_branch): Use mcu_mega.
427 (*sbrx_and_branchsi): Likewise.
428 (*sbrx_and_branchhi): Likewise.
429 (*tablejump_lib): Likewise.
431 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
433 * alias.c (true_dependence): Allow non-unchanging read to conflict
434 with unchanging write.
436 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
437 (store_constructor): Pass alias_set to it.
439 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
440 TYPE_MAIN_VARIANT of ERROR_MARK.
441 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
443 * simplify-rtx.c (simplify_unary_operation): Add cases
444 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
446 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
448 * expr.h (emit_library_call, emit_library_call_value): Delete
450 * rtl.h (enum libcall_type): New.
451 (emit_library_call, emit_library_call_value): Change fn_type arg to
452 be of type enum libcall_type.
453 * calls.c: Likewise for the function definitions. Several callers
454 throughout changed to use the new enumeration appropriately.
455 (emit_library_call_value_1): Likewise. Put back code to make libcall
456 blocks of equal form, but only use it for the two new higher
459 2000-09-16 Mark Mitchell <mark@codesourcery.com>
461 Convert the C front-end to use function-at-a-time mode.
462 * c-common.h: Include splay-tree.h.
463 (C_DECLARED_LABEL_FLAG): New macro.
464 (struct language_function): Add x_scope_stmt_stack and
465 x_function_name_declared_p.
466 (RECHAIN_STMTS): Move definition.
467 (lang_statment_code_p): Likewise.
468 (lang_expand_stmt): Likewise.
469 (lang_expand_decl_stmt): New variable.
470 (lang_expand_function_end): Likewise.
471 (current_scope_stmt_stack): New function.
472 (add_decl_stmt): Likewise.
473 (add_scope_stmt): Likewise.
474 (mark_stmt_tree): Likewise.
475 (struct c_lang_decl): New structure.
476 (DECL_SAVED_TREE): Define.
477 (c_mark_lang_decl): New function.
478 (c_expand_start_cond): Change prototype.
479 (c_finish_then): New function.
480 (c_finish_else): Likewise.
481 (current_function_name_declared): Remove.
482 (set_current_function_name_declared): Likewise.
483 (mark_c_language_function): Declare.
484 (case_compare): Likewise.
485 (c_add_case_label): Likewise.
486 (c_expand_expr): Likewise.
487 (c_safe_from_p): Likewise.
488 * c-common.c (lang_expand_function_end): New variable.
489 (struct if_elt): Add if_stmt.
490 (c_expand_start_cond): Add the if-statement to the statement-tree,
491 rather than generating RTL.
492 (c_finish_then): New function.
493 (c_expand_start_else): Don't generate RTL.
494 (c_finish_else): New function.
495 (c_expand_expr_stmt): Don't generate RTL.
496 (statement_code_p): Add SCOPE_STMT.
497 (case_compare): New function.
498 (c_add_case_label): Likewise.
499 (mark_stmt_tree): Likewise.
500 (c_mark_lang_decl): Likewise.
501 (mark_c_language_function): Likewise.
502 (c_expand_expr): Likewise.
503 (c_safe_from_p): Likewise.
504 * c-decl.c (c_stmt_tree): New variable
505 (c_scope_stmt_stack): Likewise.
506 (c_function_name_declared_p): Likewise.
507 (lang_expand_expr_stmt): Remove.
508 (poplevel): Don't call output_inline_function for nested
510 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
512 (redeclaration_error_message): Change means of computing whether
513 or not a function is nested.
514 (lookup_label): Don't call label_rtx.
515 (init_decl_processing): Add more GC roots.
516 (start_decl): Add DECL_STMTs to the statement-tree, rather than
517 calling rest_of_decl_compilation.
518 (finish_decl): Don't call expand_decl.
519 (store_parm_decls): Begin the statement-tree, but don't generate
521 (finish_function): Tie off the statement-tree. Call c_expand_body
523 (c_expand_body): New function.
524 (push_c_function_context): Save more information.
525 (pop_c_function_contxt): Likewise.
526 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
527 (lang_mark_tree): Mark it.
528 (current_stmt_tree): Adjust.
529 (current_scope_stmt_stack): New function.
531 (set_current_name_declared): Likewise.
532 (c_begin_compound_stmt): Define.
533 (c_expand_decl_stmt): Likewise.
534 * c-lang.c: Include rtl.h and expr.h.
535 (lang_init): Set more language-specific hooks.
536 * c-lex.c: Include expr.h.
537 * c-parse.in: Changes throughout to add statements to the
538 statement-tree, rather than generating RTL after every statement.
539 * c-semantics.c (lang_expand_decl_stmt): Define.
540 (add_decl_stmt): New function.
541 (add_scope_stmt): Likewise.
542 (finish_stmt_tree): Tweak.
543 (genrtl_expr_stmt): Likewise.
544 (genrtl_decl_stmt): Handle local labels, and call
545 lang_expand_decl_stmt if required.
546 (genrtl_for_stmt): Fix line-number handling.
547 (genrtl_case_label): Handle cleanups.
548 (genrtl_asm_stmt): Don't call combine_strings.
549 (genrtl_compound_stmt): Simplify.
550 (expand_stmt): Handle SCOPE_STMTs.
551 * c-tree.h (struct lang_decl): New structure.
552 (C_DECLARED_LABEL_FLAG): Remove.
553 (c_begin_compound_stmt): Declare.
554 (c_expand_decl_stmt): Likewise.
555 (c_expand_start_case): Rename to c_start_case.
556 (c_finish_case): New function.
557 * c-typeck.c (start_init): Tweak setting of
558 constructor_incremental.
559 (c_expand_asm_operands): Tweak error-handling. Add to the
561 (c_expand_return): Add to the statement-tree.
562 (c_expand_start_case): Rename to ...
563 (c_start_case): ... this.
564 (struct c_switch): New type.
565 (switch_stack): New variable.
567 (c_finish_case): New function.
568 * dependence.c: Include expr.h.
569 (enum dependence_type): Change spelling of enumerals.
570 (check_node_dependence): Adjust.
571 * expr.h (lang_safe_from_p): Declare.
572 (safe_from_p): Likewise.
573 * expr.c (lang_safe_from_p): New variable.
574 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
575 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
576 * toplev.c (rest_of_decl_compilation): Robustify.
577 * tree.c (contains_placeholder_p): Likewise.
578 * Makefile.in: Update dependencies.
579 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
580 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
581 (objc_expand_function_end): New function.
582 (finish_method_def): Use it.
583 (init_objc): Initialize more language-specific hooks.
584 * objc/Make-lang.in: Update dependencies.
586 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
588 * configure.in: Define macros that affect features before
589 testing for features. Don't define _XOPEN_SOURCE.
590 * configure: Regenerated.
591 * config.in: Regenerated.
593 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
595 * rtlanal.c (rtx_varies_p): Volatile asms vary.
596 (rtx_unstable_p): Restructure code. Volatile asms
599 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
601 * function.h (no_debugging_symbols): New field.
602 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
603 Initialize no_debugging_symbols.
604 (output_inline_function): Save and restore write_symbols and set from
605 no_debugging_symbols.
606 * toplev.c (rest_of_compilation): Call save_for_inline.
607 * tree.h: Update comment.
609 * stor-layout.c (place_field): Don't do anything if field or
610 its type are ERROR_MARK.
612 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
614 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
615 (read_include_file): Ensure inc->mmaped is initialized.
617 2000-09-16 Richard Henderson <rth@cygnus.com>
619 * cppiles.c (purge_cache): Use PTR not caddr_t.
621 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
623 * gcc.c: In description for %{<S}, say the option removed is -S.
624 * invoke.texi (Spec Files): Ditto.
626 2000-09-16 Andreas Jaeger <aj@suse.de>
628 * configure.in: Always define _GNU_SOURCE to make interfaces
629 visible that were hidden by only defining _GNU_SOURCE.
630 * configure: Regenerated.
632 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
634 * cpplex.c (push_macro_context): Set an argument's level after
635 calling parse_args. We could loop infinitely otherwise.
637 2000-09-15 Tom Tromey <tromey@cygnus.com>
639 * configure, config.in: Rebuilt.
640 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
642 2000-09-15 Greg McGary <greg@mcgary.org>
644 * cppmacro.c (check_trad_stringification): Check token
645 text pointers against limit before dereferencing.
647 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
649 * c-common.c (format_wanted_type): New structure.
650 (check_format_types): New function.
651 (check_format_info): Pass all checking of types of format
652 arguments, including width and precision arguments, to this new
655 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
659 2000-09-15 Jakub Jelinek <jakub@redhat.com>
661 * config/alpha/alpha.c (override_options): ev6 cache latencies
662 from Richard Henderson. Don't allow -mmemory-latency=L0.
664 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
665 (TARGET_OPTIONS): Add tune=.
666 (alpha_tune_string): Declare.
667 * config/alpha/alpha.c (override_options): Add cpu_table.
668 Use alpha_cpu_string first to set both alpha_cpu and target_flags
669 and then alpha_tune_string to set alpha_cpu only.
670 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
671 * config/alpha/elf.h (ASM_FILE_START): Likewise.
672 * config/alpha/osf.h (ASM_FILE_START): Likewise.
673 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
675 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
677 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
679 (ix86_comparison_operator, ix86_cc_mode): Declare
680 * i386.h (CCGC, CCGCO): New modes.
681 (SELECT_CC_MODE): Move offline to ....
682 * i386.c (ix86_cc_mode): .... here; use new modes.
683 (ix86_comparison_operator): New.
684 (fcmov_comparison_operator): Ensure proper mode.
685 (put_condition_mode): More sanity checking.
686 (ix86_match_ccmode): Handle new modes.
687 (ix86_expand_fp_compare): GEU requires CCmode.
688 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
690 * i386.md (cmp?i_ccz_1): Remove
691 (cmp?i_ccno_1): Use ix86_match_ccmode.
692 (cmp?i_minus_1): New.
693 (cmpsi_1): New expander.
694 (cmpqi_ext_1): Use match_ccmode
695 (cmpqi_ext_3): New expander.
696 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
697 (cmpqi_ext_4): Use match_ccmode.
698 (add?i_?): Use match_ccmode.
700 (test?i_ccz_1): Remove
702 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
703 (testqi_ext_0): Use ix86_match_ccmode.
704 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
705 (xorqi_cc_ext_1): New expander.
706 (shift patterns): Use CCGOCmode for all shifts except for sar.
707 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
708 (setcc_3, jcc_3, miv?icc_c): Remove.
710 2000-09-15 Will Cohen <wcohen@redhat.com>
712 * dwarf2out.c (add_const_value_attribute): Changed array into a
713 xmalloced object, so it exists after function exit.
714 (free_AT): Added case for dw_val_class_float to free allocated
717 2000-09-15 Kazu Hirata <kazu@hxi.com>
719 * config/i386/i386.md: Fix a comment typo.
720 * gcc.c: Fix formatting.
722 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
724 * optabs.c (emit_libcall_block): If target is a user variable,
725 copy to a temporary first.
726 * expr.c (convert_move): When generating a libcall, make a libcall
728 * calls.c (emit_library_call_value_1): Don't create a libcall
729 sequence here; our caller will in most cases do it.
731 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
733 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
734 * sh.md (reload_outsf): Generate recognizable patterns for
736 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
737 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
738 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
739 truncdfsf2_i4): Change not to use explicit references to fpul.
740 (floatsisf2_ie): Remove USE of fpscr.
741 (floatsisf2): Change default expansion to match this.
742 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
745 2000-09-15 Richard Henderson <rth@cygnus.com>
747 * expmed.c (store_bit_field): Consider naturally aligned
748 memory for direct reference.
750 2000-09-15 Richard Henderson <rth@cygnus.com>
752 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
753 AND addresses into alias set 0.
754 (alpha_expand_unaligned_store): Likewise.
755 (alpha_expand_unaligned_load_words): Likewise.
756 (alpha_expand_unaligned_store_words): Likewise.
758 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
760 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
761 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
763 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
764 rsize of UNITS_PER_WORD.
766 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
768 * cpplex.c (ON_REST_ARG): Correct the test.
769 (maybe_paste_with_next): Duplicate a token that fail pasting,
770 and clear its PASTE_LEFT flag, so that nested pasting attempts
773 2000-09-14 Richard Henderson <rth@cygnus.com>
775 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
776 * cse.c (rtx_cost): Likewise.
777 * optabls.c (expand_binop): Likewise.
778 (expand_twoval_binop, prepare_cmp_insn): Likewise.
779 * regclass.c (copy_cost): Likewise.
780 * reload1.c (reload_cse_move2add): Likewise.
782 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
784 * c-parse.in (reswords): Add _Complex.
786 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
788 * gcc.1: Delete documentation for -undef preprocessor option.
790 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
792 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
793 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
794 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
795 Remove undefine before config/elfos.h.
796 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
798 2000-09-14 Kazu Hirata <kazu@hxi.com>
800 * invoke.texi (H8/300 Options): Add -ms2600.
801 * config/h8300.c (h8300_init_once): Output an error when -ms2600
803 * config/h8300.h (TARGET_MAC): New.
804 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
805 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
806 machine other than H8/S2600.
807 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
810 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
812 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
813 pseudos that refer to the original pseudos, not only to their
814 equivalent memory locations.
816 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
818 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
821 * Makefile.in (LN): Remove duplicate definition.
823 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
826 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
827 on an insn and function_invariant_p returns nonzero for the source,
828 add a REG_EQUAL note.
830 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
832 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
833 conflict with frame_pointer_rtx.
835 2000-09-13 Kazu Hirata <kazu@hxi.com>
837 * loop.c: Fix formatting.
840 2000-09-13 Richard Henderson <rth@cygnus.com>
842 * config/ia64/ia64.md (divsf3): New.
843 (divsf3_internal_lat, divsf3_internal_thr): New.
844 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
845 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
846 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
847 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
848 (nmadddf4_alts, nmadddf4_trunc): New.
849 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
850 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
851 (multf3_truncsf_alts, multf3_truncdf_alts): New.
852 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
853 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
854 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
855 (nmaddtf4_truncdf_alts): New.
856 (recip_approx): Don't predicate.
858 2000-09-13 Richard Henderson <rth@cygnus.com>
860 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
862 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
864 * flags.h (flag_dump_rtl_in_asm): Declare.
865 * toplev.c (flag_dump_rtl_in_asm): Define.
866 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
868 * rtl.h (print_rtx_head): Declare.
869 * print-rtl.c (print_rtx_head): Define.
870 (print_rtx): Print the string pointed to by print_rtx_head
871 at beginning of each dump line.
872 (print_rtl): Likewise.
873 (print_rtl_single): Likewise.
874 * final.c (final_scan_insn): Dump the insn in the assembly
876 * gcc.1: Document -dP option.
877 * invoke.texi (Debugging Options): Likewise.
879 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
881 * md.texi (Machine Constraints): Document the 68HC11 constraints.
882 * install.texi (Configurations): Document the 68HC11&68HC12 port.
883 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
885 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
887 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
888 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
889 (*clrstrqi): Likewise.
890 (xorhi3,xorsi3,absqi2): Likewise.
891 (one_cmplhi2,one_cmplsi2): Likewise.
892 (addsi3): Two stupid constraint alternatives removed.
893 (extendhisi2): Use `movw' for enhanced avr cores.
894 (zero_extendhisi2): Likewise.
896 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
898 * alias.c (find_base_term): Use frame_pointer_rtx
899 when handling an ADDRESSOF.
901 * cse.c (canon_hash): Handle USE of BLKmode memory.
902 (cse_insn): Outgoing arguments for a libcall don't
903 affect any recorded expressions.
905 2000-09-12 Tom Tromey <tromey@cygnus.com>
907 * configure, config.in: Rebuilt.
908 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
910 2000-09-12 Jakub Jelinek <jakub@redhat.com>
912 * c-lex.c (lex_string): Use charwidth to compute bytemask.
913 * expr.c (expand_expr): Don't optimize constant array references
914 initialized with wide string constants.
916 2000-09-13 Michael Hayes <mhayes@cygnus.com>
918 * loop.c (note_set_pseudo_multiple_uses): Correct.
920 2000-09-12 Jim Wilson <wilson@cygnus.com>
922 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
923 else block, and X has side-effects, then fail.
925 2000-09-12 Greg McGary <greg@mcgary.org>
927 * config/mips/mips-protos.h
928 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
929 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
930 (PREDICATE_CODES): Add "trap_cmp_op".
932 (trap_cmp_op, mips_gen_conditional_trap): New functions.
933 * config/mips/mips.md (trap, conditional_trap): New patterns.
935 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
937 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
940 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
942 * builtins.c (built_in_decls): New array.
943 (expand_builtin_fputs): New function.
944 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
946 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
948 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
950 * tree.h (built_in_decls): New array.
952 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
954 * convex.md: Use "+" instead of "=" for outputs wrapped in a
956 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
958 2000-09-12 Kazu Hirata <kazu@hxi.com>
960 * haifa-sched.c: Fix formatting.
962 * genattrtab.c: Fix formatting.
964 * unroll.c: Fix formatting.
966 2000-09-12 Bruce Korb <bkorb@gnu.org>
968 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
970 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
971 * fixinc/fixincl.tpl: make non-exported arrays static scope
972 * fixinc/fixincl.x: regenerate
973 * fixinc/fixlib.h: Use PARAMS, not _P_
974 * fixinc/fixtests.c: make a type for the test proc & use it
975 * fixinc/server.h: Use PARAMS, not _P_
977 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
979 * c-typeck.c (process_init_element): Avoid union init warnings on
980 floating point zero. Don't crash on unions containing structs.
982 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
984 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
985 general_movsrc_operand, and remove CONST_INT from
986 general_movdst_operand.
988 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
990 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
991 if a reference to non-fixed hardreg is seen. Otherwise, count hard
992 regs with a higher cost.
993 (preferrable): Deal with cases where either cost or regcost is
995 (cse_insn): Use MAX_COST rather than 10000. Always initialize
997 (COSTS_N_INSNS): Move definition...
999 (MAX_COST): New macro.
1000 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1003 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1005 * c-common.h (genrtl_clear_out_block): Remove.
1006 * c-semantics.c (genrtl_clear_out_block): Remove.
1007 (genrtl_while_stmt): Don't call it.
1008 (genrtl_for_stmt): Likewise.
1010 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1012 * cppfiles.c: Move all default-#defines to top of file.
1013 (open_include_file): Replace by lookup_include_file.
1014 (read_with_read, read_file): Merged into read_include_file.
1015 (stack_include_file, purge_cache): New functions.
1016 (close_cached_fd): Delete.
1017 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1018 Cache the in-memory buffer, not the file descriptor.
1020 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1022 (xcnew): New utility macro.
1023 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1024 * cpplib.h (struct cpp_buffer): Remove mapped field.
1026 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1028 * cpplex.c (parse_string): Accept backslash space newline as a
1030 (lex_line): Likewise.
1031 (_cpp_get_token): Remove hard limit on macro nesting.
1033 2000-09-12 Philipp Thomas <pthomas@suse.de>
1035 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1036 * configure: Rebuilt.
1038 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1040 * flow.c (split_block): Fix update of registers live at
1043 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1045 * i386.md (add?i_3, add?i_5): New.
1046 (add?i_4): Rename from add?i_3; Fix compare pattern.
1047 (sub?i_3, xor?i_3, ior?i_3): New.
1049 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1050 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1051 instead of extract_insn and extract_constrain_insn_cache instead of
1052 extract_insn and constrain_operands.
1053 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1055 (extract_insn): Clear which_alternative.
1056 (constrain_operands): Set which_alternative to -1 when failed.
1057 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1060 2000-09-11 Matthew Hiller <hiller@redhat.com>
1062 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1063 on operand 0 to '+'.
1064 (movstricthi): Likewise.
1066 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1068 * loop.h (LOOP_IVS): New macro.
1069 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1070 (struct loop_ivs): New.
1071 (struct loop_info): Add ivs field.
1072 (reg_iv_type, reg_iv_info): Delete prototype.
1073 (reg_biv_class, loop_iv_list): Likewise.
1074 * loop.c (record_biv, find_life_end): Pass loop argument.
1075 (reg_iv_type): Remove global array and use
1076 field in loop_regs structure within loop_ivs structure.
1077 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1078 (first_increment_giv, last_increment_giv): Use entry in
1080 (record_initial): Pass ivs pointer.
1081 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1083 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1085 * loop.h (LOOP_REGS): New macro.
1086 (struct loop_regs): New.
1087 (struct loop_info): Add regs field.
1088 * loop.c (set_in_loop): Remove global array and store
1089 in loop_regs structure as part of loop_info structure.
1090 (n_times_set, may_not_optimize): Likewise.
1091 (reg_single_usage, moved_once): Likewise.
1092 (count_one_set): Add regs argument.
1093 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1094 (set_pseudo_multiple_uses): Pass regs pointer.
1096 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1098 * unroll.c (iteration_info): Subsume into loop_iterations.
1099 * loop.h (loop_info): New field iv.
1101 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1103 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1104 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1105 (flow_loops_update): New prototype.
1106 (flow_loops_find): Add flags to prototype.
1107 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1108 * flow.c (flow_loop_pre_header_scan): New.
1109 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1110 (flow_loop_free): Free pre-header root and trace and exit dominators.
1111 (flow_loops_find): New argument flags.
1112 (flow_loops_update): New function.
1113 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1115 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1117 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1118 * flow.c (split_block, update_bb_for_insn): New functions.
1120 2000-09-11 Richard Henderson <rth@cygnus.com>
1122 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1124 2000-09-11 Richard Henderson <rth@cygnus.com>
1126 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1127 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1128 (ia64_override_options): Prevent optimizing division for both
1129 latency and throughput.
1130 (rtx_needs_barrier): Handle frcpa.
1131 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1132 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1133 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1134 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1135 -minline-divide-max-throughput.
1136 (PREDICATE_CODES): Update.
1137 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1138 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1139 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1140 (extendsftf2): Likewise.
1141 (extenddftf2): Likewise.
1142 (fix_trunctfdi2_alts): New.
1143 (fixuns_trunctfdi2_alts): New.
1144 (madd*4): Rename from madd*3.
1145 (divsi3, modsi3, udivsi3, umodsi3): New.
1146 (divsi3_internal): New.
1147 (divdi3, moddi3, udivdi3, umoddi3): New.
1148 (divdi3_internal_lat, divdi3_internal_thr): New.
1149 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1150 (recip_approx): New.
1152 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1154 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1155 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
1157 * integrate.c (copy_rtx_and_substitute): Don't share
1158 LEAF_REG_REMAPpable registers with the inlined function. Don't
1159 share the function value with calling sequences.
1161 2000-09-11 Jakub Jelinek <jakub@redhat.com>
1163 * c-decl.c (do_case): Fix a typo.
1165 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
1166 to a if the comparison is floating mode and not -ffast-math.
1167 * simplify-rtx.c (simplify_ternary_operation): Likewise.
1169 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1171 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
1172 gen_ic_invalidate_line.
1174 2000-09-11 Philip Blundell <pb@futuretv.com>
1176 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
1178 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
1180 * install.texi (LANGUAGES): Update to include new languages.
1183 2000-09-11 DJ Delorie <dj@redhat.com>
1185 * gcc.c (main): Don't warn about unused -B prefixes
1186 (unused_prefix_warnings): remove
1188 2000-09-11 Kazu Hirata <kazu@hxi.com>
1190 * final.c: Fix formatting.
1192 * integrate.c: Fix formatting.
1194 2000-09-11 Geoff Keating <geoffk@cygnus.com>
1196 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
1198 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
1200 * reload.c (regno_clobbered_p): Fix thinko in previous change.
1202 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1204 * gcc.1: Document 68hc11 specific options.
1206 2000-09-10 Geoff Keating <geoffk@cygnus.com>
1208 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
1209 (TARGET_LONG_DOUBLE_128): Define.
1210 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
1211 (LONG_DOUBLE_TYPE_SIZE): Redefine.
1212 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1213 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
1214 of __LONG_DOUBLE_128__.
1215 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
1217 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
1218 (CPP_SYSV_DEFAULT_SPEC): Define.
1219 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
1220 (INIT_TARGET_OPTABS): Define.
1222 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
1223 (RS6000_UITRUNC): Likewise.
1224 (INIT_TARGET_OPTABS): New macro.
1225 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
1226 (trunc_defined): Delete.
1227 (output_prolog): Don't output .extern definitions for fp->int
1228 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
1229 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
1230 (trunc_defined): Delete.
1231 (RS6000_ITRUNC): Moved to aix.h.
1232 (RS6000_UITRUNC): Likewise.
1233 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
1234 only emit a libcall.
1235 (fixuns_truncdfsi2): Delete.
1236 (trunc_call): Delete.
1237 (trunc_call_rtl): Delete.
1239 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1241 * varasm.c (make_decl_rtl): Restore leading star on
1242 DECL_ASSEMBLER_NAME set for decls with an asmspec.
1244 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1246 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
1247 won't give a spurious error for '#pragma pack()'. Simplify
1248 control flow for readability. 'reset' action is not necessary.
1250 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1252 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
1253 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
1254 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
1255 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
1257 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
1258 profile.c, sdbout.c, tradcif.y, tree.c:
1259 Include defaults.h if not already included.
1260 Don't define the above macros.
1262 * Makefile.in: Update dependencies.
1264 2000-09-10 Mark Mitchell <mark@codesourcery.com>
1266 * c-common.h (add_stmt): Change prototype.
1267 (RECHAIN_STMTS): New macro.
1268 (CASE_LABEL_DECL): Likewise.
1269 (genrtl_case_label): Change prototype.
1270 (c_expand_start_case): Remove prototype.
1271 (build_case_label): Change prototype.
1272 (decl_constant_value): Declare.
1273 * c-common.c (check_case_value): Handle C++'s extensions to C
1275 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
1277 * c-parse.in (stmt): Adjust handling of return statements and case
1279 * c-semantics.c (add_stmt): Return the new statement.
1280 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
1281 returned expression. Directly generate RTL, rather than calling
1283 (genrtl_switch_stmt): Don't call c_expand_start_case.
1284 (build_case_label): Take the LABEL_DECL as input, too.
1285 (genrtl_case_label): Just call add_case_node.
1286 (expand_stmt): Adjust calls to genrtl_return_stmt and
1288 * c-tree.h (c_expand_start_case): Declare.
1289 * c-typeck.c (decl_constant_value): Give it external linkage.
1290 (c_expand_return): Don't call expand_return or expand_null_return;
1291 use genrtl_return_stmt instead.
1292 * stmt.c (struct nesting): Remove num_ranges field.
1293 (add_case_node): Give it external linkage.
1294 (expand_start_case): Don't set num_ranges.
1295 (expand_start_case_dummy): Don't clear it.
1296 (pushcase): Rely on add_case_node to handle `default' labels.
1297 (add_case_node): Handle `default' labels.
1298 * tree.c (tree_int_cst_compare): New function.
1299 * tree.h (tree_int_cst_compare): Declare.
1300 (add_case_node): Likewise.
1302 2000-09-10 Richard Henderson <rth@cygnus.com>
1304 * c-parse.in: Revert last change.
1305 (init_reswords): Do not enter disabled keywords into the ridpointers
1306 table, modulo objc weirdness.
1307 (_yylex): Return the canonical spelling for a keyword.
1309 2000-09-10 Philip Blundell <philb@gnu.org>
1311 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
1312 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
1314 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
1316 * alias.c (find_base_term): Handle ADDRESSOF.
1317 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
1319 2000-09-10 Denis Chertykov <denisc@overta.ru>
1321 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
1322 outputting templates with many lines.
1324 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1326 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
1327 to decide whether 64-bit support must be generated.
1329 2000-09-10 Richard Henderson <rth@cygnus.com>
1331 * c-parse.in (asm patterns): Fix volatile check.
1333 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1335 * cppmacro.c (check_trad_stringification): New function.
1336 (save_expansion): If -Wtraditional, warn about stringification of
1339 2000-09-11 Michael Hayes <mhayes@cygnus.com>
1341 * loop.h (struct loop_mem_info): Move from loop.c
1342 (struct loop_info): Add fields store_mems, mems, mems_idx,
1343 mems_allocated, unknown_address_altered,
1344 unknown_constant_address_altered, num_mem_sets, and
1345 first_loop_store_insn.
1347 * loop.c (loop_store_mems): Replace with field in loop_info struct.
1348 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
1349 (unknown_address_altered, unknown_constant_address_altered): Likewise.
1350 (num_mem_sets): Likewise.
1351 (replace_loop_mems, replace_loop_regs): New.
1352 (struct loop_replace_args): New.
1353 (load_mems): Use replace_loop_mems.
1354 (try_copy_prop): Use replace_loop_regs.
1355 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
1357 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1359 * configure.in: Recognize m6811-elf and m6812-elf.
1360 * configure: Regenerate.
1362 2000-09-09 Geoff Keating <geoffk@cygnus.com>
1364 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
1367 2000-09-10 Michael Hayes <mhayes@cygnus.com>
1369 * loop.c (struct movables): New.
1370 (num_movables): Move into struct movables.
1371 (the_movables): Change type to struct movables.
1372 (ignore_some_movables): Change struct movable arg to struct movables.
1373 (force_movables, combine_movables, regs_match_p): Likewise.
1374 (rtx_equal_for_loop_p, move_movables): Likewise.
1375 (scan_loop): Change movables to be of type struct movables.
1376 Replace last_movable with field in movables structure.
1378 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
1380 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
1381 (init_pragma): Avoid warning if pfile happens to be unused.
1382 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
1383 define init_pragma to nothing. Always prototype
1384 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
1386 * c-lex.c (process_directive): Always call dispatch_pragma.
1387 Initialize entering_c_header to 0.
1389 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1391 * config/m68hc11/m68hc11.md: New file, machine description for
1393 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
1394 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
1395 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
1396 * config/m68hc11/m68hc11-protos.h: New file.
1397 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
1398 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
1399 * config/m68hc11/xm-m68hc11.h: New file, target defs.
1400 * config/m68hc11/larith.asm: New file, libgcc routines.
1402 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1404 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
1405 (FPBIT_FUNCS): Add _usi_to_sf.
1406 * config/fp-bit.c (usi_to_float): New function.
1407 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
1408 (usi_to_float): Add appropriate #define.
1410 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1412 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
1414 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
1415 * i386.md (attr "type"): Add sse and mmx types.
1416 (attr "memory"): Handle them without a crash.
1417 (movsi_1, movdi_2): Allow MMX regs.
1418 (movdi splits): Don't split moves involving MMX regs.
1419 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
1420 (movv4sf_internal, movv4si_internal, movv8qi_internal,
1421 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
1422 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
1423 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
1424 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
1425 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
1426 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
1427 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
1428 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
1429 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
1430 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1431 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1432 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
1433 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
1434 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1435 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1436 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
1437 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
1438 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
1439 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
1440 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
1441 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1442 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1443 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
1444 mmx_clrdi): New patterns.
1446 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
1448 * arm.c: Don't include tm.h directly.
1450 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
1452 * recog.c (validate_replace_rtx_1): Fix confusion about equality
1453 testing; simplify subregs of constants and nested subregs.
1455 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
1457 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
1459 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1461 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
1463 * rtl.texi (description of USE): Add note about possible pitfalls
1465 From Richard Henderson:
1466 * reload1.c (choose_reload_regs): Compute need_mode properly.
1468 2000-09-07 Richard Henderson <rth@cygnus.com>
1470 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
1471 (__modsi3, __umodsi3): Likewise.
1472 (__udivsi3): Likewise. Normalize the TFmode values.
1474 2000-09-07 Geoff Keating <geoffk@cygnus.com>
1476 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
1478 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
1481 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1483 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
1484 (cmpeqdi_t): Add output pattern.
1485 (cmpeqdi_t+1): Don't split when not optimizing.
1486 Restore proper splitting operation.
1488 2000-09-07 Richard Henderson <rth@cygnus.com>
1490 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
1491 do not call dispatch_pragma.
1493 2000-09-07 Jim Wilson <wilson@cygnus.com>
1495 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
1496 to CLASS_CANNOT_CHANGE_MODE.
1497 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
1498 mode classes are different.
1500 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1502 * cpplib.h (struct cpp_options): Add user_label_prefix member,
1503 left out of commit which removed cppulp.c.
1505 2000-09-07 Richard Henderson <rth@cygnus.com>
1507 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
1508 after switch for CASE_DROPS_THROUGH.
1510 2000-09-07 Richard Henderson <rth@cygnus.com>
1512 * loop.c (strength_reduce): Call check_ext_dependant_givs.
1513 Properly extend the biv initial value for the giv.
1514 (record_biv): Zero ext_dependant.
1515 (record_giv): New argument ext_val. Update all callers.
1516 (general_induction_var): Likewise.
1517 (consec_sets_giv): Likewise.
1518 (simplify_giv_expr): Likewise. Fill in ext_val if we find
1519 a sign-extend, zero-extend, or truncate.
1520 (combine_givs_p): Make sure modes are compatible.
1521 (check_ext_dependant_givs): New.
1522 (extend_value_for_giv): New.
1523 * loop.h (struct induction): Add ext_dependant.
1524 * unroll.c (iteration_info): Extend the biv initial value for the giv.
1525 (find_splittable_givs): Likewise.
1526 (final_giv_value): Likewise.
1528 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1530 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
1531 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
1532 definitions from cpplib.h.
1533 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
1535 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
1536 documentation for REGISTER_TARGET_PRAGMAS.
1538 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
1539 default-pragma callback to implement -Wunknown-pragmas if
1541 * c-parse.in: Move all includes to top of file.
1542 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
1544 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
1546 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
1548 * arm.h, arm-protos.h, arm.c,
1549 c4x.h, c4x-protos.h, c4x.c,
1550 h8300.h, h8300-protos.h, h8300.c,
1551 i370.h, i370-protos.h, i370.c,
1552 i960.h, i960-protos.h, i960.c,
1553 sh.h, sh-protos.h, sh.c,
1554 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
1555 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
1557 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
1558 multiple include guard.
1559 * i370.md (untyped_call): Use GEN_CALL.
1560 (umodsi3): Remove unused variable.
1561 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
1562 * v850.c (output_move_single, output_move_double): Constify
1564 (print_operand): Constify a char *.
1565 * v850.h (struct small_memory_info): Constify name member.
1567 2000-09-07 Kazu Hirata <kazu@hxi.com>
1569 * config/h8300.h: Fix comment typos.
1570 * config/h8300/h8300.md: Likewise.
1571 * config/h8300/lib1funcs.asm: Likewise.
1573 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
1575 * Makefile.in: Remove references to cppulp.{c,o}.
1576 * cppinit.c (initialize_builtins, cpp_start_read,
1577 cpp_handle_option): Update to use cpp_options structure.
1580 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
1582 * c-common.c (time_char_table): Allow %#b and %#h.
1584 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1586 * reorg.c (find_end_label): If the basic block reorder pass moves the
1587 return insn to some other place try to locate it again and put our
1588 end_of_function_label there.
1589 * reorg.c (relax_delay_slots): Check if find_end_label created a
1590 new label that invalidates the current optimazation.
1592 2000-09-07 Catherine Moore <clm@redhat.com>
1594 * unroll.c (unroll_loop): Check for unconditional jumps
1595 to loop continuation. Delete if n_iterations is 1.
1596 (ujump_to_loop_cont): New routine.
1598 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
1600 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
1602 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
1603 to handle multiword modes correctly. All callers and the declaration
1606 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1608 * c-common.h (prep_stmt): Declare.
1609 (lang_expand_stmt): Likewise.
1610 * c-decl.c (lang_expand_stmt): Remove.
1611 * c-semantics.c (lang_expand_stmt): Define.
1612 (prep_stmt): New function.
1613 (expand_stmt): Handle common statement types here.
1615 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
1617 * configure.in (sh-*-linux*): Added.
1618 * configure: Rebuilt.
1619 * config/sh/t-linux: New file.
1620 * config/sh/sh.h (USERMODE_BIT): Define.
1621 (TARGET_USERMODE): Likewise.
1622 (TARGET_SWITCHES): New switches for the bits above.
1623 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
1624 * config/sh/linux.h: New file.
1625 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
1626 underscore on linux.
1627 (L_sdivsi3, L_udivsi3): Define for linux.
1628 (L_ic_invalidate): Define.
1629 * invoke.texi (SH Options): Document -musermode.
1631 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
1633 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
1634 CSE unless generating PIC.
1636 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
1639 2000-09-06 H.J. Lu (hjl@gnu.org)
1641 * Makefile.in (clean_s1): Depend on stage_b.
1642 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
1643 stage2. They are used for "make compare".
1645 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1647 Move statement-tree facilities from C++ to C front-end.
1648 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
1649 (void_zero_node): New macro.
1650 (struct stmt_tree_s): New type.
1651 (stmt_tree): New typedef.
1652 (struct language_function): New type.
1653 (last_tree): New macro.
1654 (last_expr_type): Likewise.
1655 (walk_tree_fn): New typedef.
1656 (current_stmt_tree): New function.
1657 (begin_stmt_tree): Likewise.
1658 (add_stmt): Likewise.
1659 (finish_stmt_tree): Likewise.
1660 (statement_code_p): Likewise.
1661 (lang_statement_code_p): New variable.
1662 (walk_stmt_tree): New function.
1663 (STMT_IS_FULL_EXPR_P): New macro.
1664 * c-common.c (lang_statement_code_p): New variable.
1665 (c_common_nodes_and_builtins): Initialize void_zero_node.
1666 (statement_code_p): New function.
1667 (walk_stmt_tree): Likewise.
1668 * c-decl.c (language_function): Rename to ...
1669 (c_language_function): ... this. Include language_function.
1670 (push_c_function_context): Adjust accordingly.
1671 (pop_c_function_context): Likewise.
1672 (mark_c_function_context): Likewise.
1673 (current_stmt_tree): Define.
1674 * c-semantics.c (begin_stmt_tree): New function.
1675 (add_stmt): Likewise.
1676 (prune_unused_decls): Likewise.
1677 (finish_stmt_tree): Likewise.
1679 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1681 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
1683 2000-09-06 Kazu Hirata <kazu@hxi.com>
1685 * calls.c: Fix formatting.
1687 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
1689 * config/i386/i386.h (ADDRESS_COST): Fix typo.
1691 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1693 Integrated preprocessor.
1695 * Makefile.in: Remove all references to c-parse.gperf,
1696 c-gperf.h, and c-parse.h. Remove -d from yacc command line
1697 generating c-parse.c. Update dependencies.
1698 * c-parse.gperf, c-gperf.h: Delete.
1700 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
1701 yy_lim, or yy_get_token. Don't define get_directive_line if
1703 * c-common.h: Add multiple include guard. Define RID values
1704 for every keyword in C, C++, and Objective C. Put all the
1706 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
1707 * c-decl.c (c_decode_option): Handle -lang-objc here.
1708 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
1709 (grokdeclarator): Adjust for new RID scheme.
1710 (extract_interface_info): New stub.
1711 * c-lang.c: Don't declare yy_cur or parse_options.
1712 (lang_init_options): Call cpp_init. Don't call
1714 (lang_init): Don't call check_newline if USE_CPPLIB.
1716 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
1717 Elide lots of unnecessary code if USE_CPPLIB. Delete code
1718 rendered unnecessary by new architecture. Move routines not
1719 shared with C++ to c-parse.in. Maintain a local idea of the
1720 line number. Handle C++ as well as C.
1721 [USE_CPPLIB]: Declare and register callbacks for #ident and
1722 for entering/leaving files.
1723 (init_c_lex, c_lex): Are now the entry points to this file.
1724 (check_newline): Break out directive handling to
1726 (read_ucs, is_extended_char, utf8_extend_token): Moved here
1728 (readescape, parse_float): Overhaul.
1729 (lex_number, lex_string, lex_charconst): Break out of c_lex
1731 (get_fileinfo, update_header_times, dump_one_header,
1732 dump_time_statistics): New and/or moved here from C++.
1733 Support per-file data needed by C++ and per-header timing
1734 statistics (C++ only, at the moment).
1735 * c-lex.h: Update prototypes. Add multiple include guard.
1736 * c-tree.h (struct lang_identifier): Add rid_code field.
1737 (C_IS_RESERVED_WORD, C_RID_CODE): New.
1739 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
1740 reinit_parse_for_function and/or position_after_white_space.
1741 (save_filename, save_lineno): Look ahead before saving.
1742 (label -> identifier ':'): Save file and line before shifting ':'.
1743 (reservedwords): No need to call get_identifier.
1744 (init_parse, finish_parse, yyerror, yylex, yyprint,
1745 make_pointer_declarator): Are now here for C/ObjC.
1746 (rid_to_yy): Conversion table from RID constants to Yacc codes.
1748 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
1749 #pragma registry. Provide dummy implementation of that
1750 interface if !USE_CPPLIB.
1751 * c-pragma.h: Update to match.
1753 * flags.h: Add multiple include guard.
1754 (flag_detailed_statistics): Moved here from C++.
1755 * toplev.c: Define flag_detailed_statistics.
1757 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
1759 * timevar.def (TV_CPP, TV_LEX): New.
1760 * timevar.h: Add multiple include guard.
1762 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
1764 * objc/objc-act.c: Don't mention yy_cur or parse_options.
1765 Initialize cpplib properly. Force lineno to 0 after first
1766 call to check_newline. Don't handle -lang-objc here.
1767 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
1769 2000-09-06 David Edelsohn <edelsohn@gnu.org>
1771 * rs6000.md: Correct function unit definitions for cr_logical and
1773 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
1774 and use portable method for >=0 and floating point >=. Remove
1775 associated matchers.
1777 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1779 * extend.texi: Mark named return value extension as deprecated.
1781 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1783 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
1786 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
1788 * toplev.c (display_help): Fix thinko in documentation.
1790 * diagnostic.h (output_buffer::indent_skip): New fields.
1791 (output_indentation): New macro.
1793 * diagnostic.c (output_indent): New function.
1794 (output_set_prefix, clear_diagnostic_info): Use.
1795 (output_emit_prefix): Predict future indentation.
1797 2000-09-06 DJ Delorie <dj@redhat.com>
1799 * Makefile.in (stage_*): add more dependencies to ensure parallel
1800 builds build correctly
1802 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
1804 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
1805 not bootstrap-lean_f.
1807 2000-09-06 Andreas Schwab <schwab@suse.de>
1809 * mklibgcc.in: Emit rule for libgcc-stage-start.
1810 * Makefile.in (stage1-start, stage2-start, stage3-start,
1811 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
1813 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
1815 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
1816 (update_equiv_regs): Likewise, except for the mn10200 kludge.
1817 (combine_regs): Likewise.
1819 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
1820 * cse.c: Include "basic-block.h".
1821 (struct table_elt): New field REGCOST.
1822 (CHEAP_REG): Delete macro.
1823 (COST): Return 0 for REGs.
1824 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
1825 (notreg_cost): Return 0 for appropriate SUBREGs.
1826 (COSTS_N_INSNS): Return N * 2.
1827 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
1829 (CHEAPER): Use new function preferrable.
1830 (insert): Initialize REGCOST member.
1831 (find_best_addr): Use approx_reg_cost for estimation of register
1833 (cse_insn): Likewise.
1834 * loop.c (iv_add_mult_cost): New function.
1835 (add_cost, shift_cost, mult_cost): Delete variables.
1836 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
1837 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
1838 Make code that detects autoinc opportunities slightly less optimistic.
1839 (simplify_giv_expr): If expression contains other reg that is also a
1840 giv, only increment benefit if this is the only use of that reg.
1841 (consec_sets_giv): Take that change into account.
1842 (combine_givs): Slightly more verbose output.
1844 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
1845 not the cost of an equivalent shift.
1846 * sh-protos.h (addsubcosts): Declare.
1847 * sh.c (addsubcosts): New function.
1848 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
1849 (RTX_COSTS): Tweak. Use addsubcosts.
1850 (ADDRESS_COST): Return higher cost for reg+reg addressing.
1852 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1854 * config/rs6000/rs6000.c (validate_condition_mode): New function.
1855 (branch_comparison_operator): Call validate_condition_mode to
1856 abort rather than returning 0.
1857 (branch_positive_comparison_operator): New function.
1858 (scc_comparison_operator): Call validate_condition_mode to abort
1859 rather than returning 0.
1860 (ccr_bit): Call validate_condition_mode. Update for
1862 (print_operand): Delete %C modifier. Update %E case
1863 to use EQ bit not SO bit.
1864 (rs6000_reverse_condition): New function.
1865 (rs6000_generate_compare): New function.
1866 (rs6000_emit_sCOND): New function.
1867 (rs6000_emit_cbranch): New function.
1868 (output_cbranch): The length of a long branch insn is
1869 now only 8 bytes. Add validate_condition_mode. Use
1870 rs6000_reverse_condition. Remove cror generation.
1872 * config/rs6000/rs6000.h: Update comments.
1873 (PREDICATE_CODES): Add new predicate. Update codes used
1874 by branch_comparison_operator and scc_comparison_operator.
1875 * config/rs6000/rs6000-protos.h: Add prototypes for
1876 new external functions.
1877 * config/rs6000/rs6000.md: Add new scheduling parameters
1878 for cr_logical instructions. Change length of branch
1880 (bCOND patterns): Call rs6000_emit_cbranch.
1881 (sCOND patterns): Call rs6000_emit_sCOND.
1882 (branch patterns): Change lengths to 4.
1883 (cr logical patterns): New.
1885 2000-09-06 Richard Henderson <rth@cygnus.com>
1887 * config/i386/i386.md (call_pop): Fix test for setting
1888 current_function_uses_pic_offset_table.
1889 (call, call_value_pop, call_value): Likewise.
1891 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1893 * timevar.c (timevar_add): Delete.
1894 (timevar_get): Also count time since the selected timer was
1895 last updated. Do not examine the timevar stack if the
1896 selected timer is standalone.
1898 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1900 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
1902 2000-09-05 Jason Merrill <jason@redhat.com>
1904 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
1905 for 'extern' arrays.
1907 2000-09-05 Richard Henderson <rth@cygnus.com>
1909 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
1910 Eliminate final copy from non-trapping case.
1911 (__divdf3, __divsf3): Likewise.
1913 2000-09-05 Richard Henderson <rth@cygnus.com>
1915 * config/ia64/ia64.md (mulhi3): Fix typo last change.
1916 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
1918 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
1920 * Makefile.in: Restructure bootstrap stages to allow clean
1921 restart after failure.
1923 2000-09-05 Richard Henderson <rth@cygnus.com>
1925 * config/ia64.md (movsi and movdi patterns): Allow moves from
1926 8-bit constants to AR registers.
1928 2000-09-05 Richard Henderson <rth@cygnus.com>
1930 * config/ia64/ia64.md (mulhi3): New.
1932 2000-09-05 Richard Henderson <rth@cygnus.com>
1934 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
1935 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
1936 Optimization Guide, minimum latency alternative.
1937 (__moddi3, __udivdi3, __umoddi3): Likewise.
1938 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
1940 2000-09-05 Bruce Korb <bkorb@gnu.org>
1942 * fixinc/fixincl.c (load_file): always read header files
1943 with sizes that are a multiple of the page size.
1944 & use libiberty's getpagesize for determining that.
1946 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
1948 * gcse.c (hash_string_1): Add prototype.
1949 * cse.c (canon_hash_string): Likewise.
1951 2000-09-04 Craig Newell <CraigN@ieee.org>
1953 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
1955 2000-09-04 Andreas Schwab <schwab@suse.de>
1957 * Makefile.in (STAGESTUFF): Remove libgcc.
1958 (stage1-start, stage2-start, stage3-start): Copy the contents of
1959 the libgcc directory explicitly.
1960 (mostlyclean): Clean libgcc.
1962 2000-09-04 Andrew Haley <aph@redhat.com>
1964 * dwarf2out.c: (stack_adjust_offset): New prototype.
1966 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
1968 * combine.c (make_extraction): Fix rtx_cost comparison to
1971 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
1973 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
1974 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
1975 Add '*' to insn pattern name.
1977 2000-09-04 Jakub Jelinek <jakub@redhat.com>
1979 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
1980 use posn - 1 to index into tokens array.
1981 (maybe_paste_with_next): Adjust caller.
1983 2000-09-03 Geoff Keating <geoffk@cygnus.com>
1985 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
1987 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
1988 (REGNO_REG_CLASS): Use symbolic register
1991 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
1993 * arm.c (final_prescan_insn): If the form of a jump insn isn't
1994 recognized, don't try to conditionally execute it.
1996 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
1998 * config/avr/avr.md ("*tablejump_lib"): New pattern.
1999 (call_value_insn): Right length claculation.
2000 (call_insn): Likewise.
2002 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2004 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2005 gas_output_limited_string, gas_output_ascii, output_movqi,
2006 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2007 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2008 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2009 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2010 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2011 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2012 Add "const" as needed to remove warnings.
2014 * config/avr/avr.c (avr_override_options, avr_init_once,
2015 function_prologue, function_epilogue, frame_pointer_required_p,
2016 class_likely_spilled_p, order_regs_for_local_alloc,
2017 avr_address_cost, avr_ret_register): Use K&R style arguments.
2018 (initial_elimination_offset, gas_output_limited_string):
2019 Remove ATTRIBUTE_UNUSED from the used arguments.
2020 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2021 Use local variables src, dest, base to access operands[].
2022 Rename reg_dest to reg_src if that's what it is.
2023 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2024 constants to LD_REGS if reg_was_0.
2025 (output_reload_insisf): Change arg 3 to insn length and set it.
2026 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2027 access to 16-bit I/O register pairs.
2028 (avr_address_cost): Lower cost for the above case.
2029 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2030 may be clobbered, also for LD_REGS.
2031 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2034 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2036 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2037 macro to test_hard_reg_class function.
2038 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2039 for loading immediate constants to LD_REGS.
2040 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2043 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2045 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2046 * config/avr/libgcc.S: Lost part of the previous patch.
2048 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2050 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2051 object before calling pthread_mutex_init.
2053 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2055 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2056 config/sh/crtn.asm: New files.
2057 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2058 (crt1.o, crti.o, crtn.o): New targets.
2059 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2061 * configure: Rebuilt.
2062 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2063 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2064 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2065 Undefine for config/elfos.h to redefine.
2066 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2068 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2070 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2071 legitimize_pic_address, output_pic_addr_const): Declare.
2072 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2073 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2074 (TARGET_SWITCHES): New switch -mprefergot.
2075 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2076 (PIC_OFFSET_TABLE_REGNUM): Define.
2077 (GOT_SYMBOL_TABLE): Likewise.
2078 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2079 (ENCODE_SECTION_INFO): Define.
2080 (FINALIZE_PIC): New macros.
2081 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2082 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2083 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2084 (prepare_move_operands): Call emit_pic_move or
2085 emit_pic_const_move if appropriate.
2086 (output_far_jump): For PIC, use braf and output long offset.
2087 (machine_dependent_reorg):
2088 (sh_expand_prologue): Save and initialize the PIC register.
2089 (sh_expand_epilogue): Restore it.
2090 (initial_elimination_offset): Account for it.
2091 (nonpic_symbol_mentioned_p): New function.
2092 (legitimize_pic_address): Likewise.
2093 (output_pic_addr_const): Likewise.
2094 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2095 (call, call_value): Use them.
2096 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2097 symPLT_label2reg): New expands.
2098 * invoke.texi (SH Options): Document -mprefergot.
2100 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2102 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2103 * gcse.c (hash_string_1): New function.
2104 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2105 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2106 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2107 (canon_hash_string): New function.
2108 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2109 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2110 (fold_rtx): Use ASM_OPERANDS accessor macros.
2111 * emit-rtl.c (copy_insn_1): Likewise.
2112 * integrate.c (copy_rtx_and_substitute): Likewise.
2113 * stmt.c (expand_asm_operands): Likewise. Give an
2114 ASM_OPERANDS rtx the mode of the output reg being set from it.
2116 2000-09-01 Fred Fish <fnf@be.com>
2118 * fix-header.c (write_rbrac): Add putc and getc to list of
2119 functions to protect against prior definition as a macro.
2121 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2123 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2124 (c_size_type_node): Define.
2125 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2126 * c-common.c (enum format_lengths, enum format_std_version,
2127 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2128 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2129 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2130 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2131 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2132 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2133 format_types): Define.
2134 (format_char_info, print_char_table, scan_char_table,
2135 time_char_table): Rearrange for new organization of information
2136 about format length modifiers and standard versions.
2137 (T_ST): Redefine to use c_size_type_node.
2138 (check_format_info): Obtain information about length modifiers and
2139 standard versions from tables. Adjust warning message wordings.
2140 Use the name from the user's program for `ll' and `hh' length
2141 modifiers in warning messages. Use more informative names for
2142 wanted types where available (for wchar_t, wint_t, size_t, signed
2143 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2145 2000-09-01 Jim Wilson <wilson@cygnus.com>
2147 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2148 * combine.c (distribute_notes): Handle REG_NORETURN.
2149 * rtl.c (reg_note_name): Add REG_NORETURN.
2150 * rtl.h (enum reg_note): Likewise.
2152 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2154 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2155 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2156 (emit_predicate_relation_info): Handle conditional calls with
2158 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
2159 instead of ia64_file_start.
2160 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
2161 * config/ia64/ia64.md (safe_across_calls_all,
2162 save_across_calls_normal): New patterns.
2164 * loop.c (check_final_value): Check for biv use before checking for
2165 giv use. Check for both biv and giv uses. Always set last_giv_use
2166 if there is a giv use.
2168 2000-09-01 Richard Henderson <rth@cygnus.com>
2170 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
2171 (madddi3): Likewise.
2174 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2176 * expr.c (clear_storage): Don't use emit_move_insn unless
2177 either BLKmode or proper size.
2178 (store_constructor): Don't call clear_storage if REG of wrong size.
2180 * flow.c (init_propagate_block_info): Don't mark frame dead at end
2181 of function if returns wiht stack pointer depressed.
2183 2000-09-01 Andrew Haley <aph@redhat.com>
2185 * dwarf2out.c (stack_adjust_offset): New function.
2186 (dwarf2out_stack_adjust): Break out stack adjust logic into
2187 new stack_adjust_offset function. Look inside parallels and
2188 sequences for stack adjustments.
2190 2000-08-31 Jeff Law <law@cygnus.com>
2192 * arm.md: Use no_new_pseudos to determine when it is safe
2193 to create new pseudo registers.
2195 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
2196 when we can safely allocate new registers.
2198 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
2200 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
2201 so that CONCATs are not generated for ASMs.
2202 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
2203 not generating_concat_p.
2204 * function.c (pop_function_context_from): Reset
2205 generating_concat_p.
2206 (prepare_function_start): Likewise.
2207 * rtl.c (generating_concat_p): Define.
2208 * rtl.h (generating_concat_p): Declare.
2209 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
2211 2000-08-22 Philipp Thomas <pthomas@suse.de>
2212 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
2214 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
2217 2000-08-30 Greg McGary <greg@mcgary.org>
2219 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
2220 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
2221 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
2223 2000-08-30 Greg McGary <greg@mcgary.org>
2225 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
2226 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
2227 (TREE_INT_CST): New macro.
2228 * varasm.c (const_hash, compare_constant_1, record_constant_1):
2229 Use new macro TREE_INT_CST.
2231 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
2233 * contrib.texi: Add self.
2235 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
2237 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
2238 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
2241 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2243 * fixinc/gnu-regex.c: Don't define `const'.
2245 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2247 * expr.c (store_constructor): Allow variable bounds of array type.
2248 (expand_expr): Don't blow up if type is ERROR_MARK.
2249 * varasm.c (output_constructor): Don't access lower bound of array
2250 type unless need it if index is supplied (so it can be a variable
2251 if no index is supplied).
2252 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
2253 Other minor cleanups.
2255 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2257 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
2258 for compilations in stage 1 and subsequent stages, respectively.
2259 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
2260 * configure: Rebuilt.
2261 * x-vax, x-vax-gcc: Deleted.
2263 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2265 * c-common.c (declare_function_name): Use func_id_node,
2266 function_id_node, and pretty_function_id_node. Do not make
2267 __func__ visible at file scope.
2268 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
2269 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
2270 (function_id_node, pretty_function_id_node, func_id_node): New
2272 * c-decl.c (init_decl_processing): Initialize function_id_node,
2273 pretty_function_id_node, and func_id_node.
2274 (c_make_fname_decl): Correct comment.
2276 * tree.h (struct tree_identifier): Constify pointer member.
2278 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
2279 * c-pragma.h (struct weak_syms): Constify name and value members.
2280 (add_weak): Constify arguments.
2282 * calls.c (special_function_p): Constify a char *.
2283 (expand_call): Remove variable which is initialized and then
2285 * dependence.c (struct def_use, struct induction, struct subscript):
2286 Constify 'variable' member.
2287 (get_low_bound, have_induction_variable): Constify char * argument.
2288 (find_induction_variable): Add braces to avoid dangling else.
2289 (classify_dependence): Constify char * arrays.
2290 * profile.c (output_func_start_profiler): Constify a char *.
2291 * stor-layout.c (finalize_record_size): Constify a char *.
2292 * tree.c (is_attribute_p): Constify a char *.
2293 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
2295 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
2296 for comprehensibility. Do not call get_identifier if we did
2297 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
2298 create temporary string constants, not ggc_alloc_string. No
2299 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
2300 char * to hold IDENTIFIER_POINTERs.
2302 2000-08-29 Richard Henderson <rth@cygnus.com>
2304 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
2307 2000-08-29 Richard Henderson <rth@cygnus.com>
2309 * reload.c (push_secondary_reload): Allow class == reload_class
2310 if we're using a reload_in/out pattern.
2312 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
2313 the half that does not conflict with the reload register.
2314 (reload_outti): Likewise.
2316 2000-08-29 Kazu Hirata <kazu@hxi.com>
2318 * reload.c: Fix formatting.
2320 * stmt.c: Fix formatting.
2322 * gcc.c: Fix formatting.
2324 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2326 * flags.h (time_report, mem_report): New global flags.
2327 * toplev.c: Define time_report and mem_report.
2328 (f_options): Add -ftime-report and -fmem-report.
2329 (compile_file): Turn on time_report if quiet_flag is off.
2330 Call ggc_print_statistics at very end if mem_report is on.
2331 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
2333 * ggc-common.c (ggc_print_statistics): Rename to
2334 ggc_print_common_statistics; all callers changed. Scale
2335 quantities above 10K to kilobytes and above 10M to megabytes.
2336 * ggc-page.c (ggc_page_print_statistics): Rename to
2337 ggc_print_statistics. Report memory consumed by internal data
2338 structures for each allocation bucket. Scale quantities above
2339 10K to kilobytes and above 10M to megabytes.
2340 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
2341 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
2342 Define tally_leaves always.
2343 (ggc_print_statistics): New function.
2344 * ggc.h: Adjust for renamed functions.
2346 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
2348 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
2349 output_movsisf instead of which_alternative.
2351 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
2353 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2355 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
2356 (avr_progmem_p): New prototype.
2357 (output_movsisf): Prototype declaration changed.
2358 (output_movqi): New prototype.
2359 (output_movhi): New prototype.
2360 (call_insn_operand): Likewise.
2361 (final_prescan_insn): Likewise.
2362 (avr_simplify_comparision_p): Likewise.
2363 (avr_normalize_condition): Likewise.
2364 (compare_eq_p): Likewise.
2365 (out_shift_with_cnt): Likewise.
2366 (const_int_pow2_p): Likewise.
2367 (output_reload_inhi): Prototype declaration changed.
2369 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
2370 (ldi_reg_rtx): New. rtx for r31.
2371 (avr_init_stack): Initialize as "__stack".
2372 (function_prologue): Use it.
2373 Replace all TARGET_ENHANCED with AVR_ENHANCED.
2374 (avr_mcu_name): Initialize as "avr2".
2375 (avr_enhanced_p, avr_mega_p): New variables.
2376 (mcu_types, avr_override_options): Handle all known MCU types.
2377 Also handle avr1 (only preprocess, assemble and link).
2378 (print_operand): Using of `%K' in output template removed.
2379 (out_movqi_r_mr): Optimized.
2380 (out_movhi_r_mr): Likewise.
2381 (output_movqi): New function.
2382 (output_movhi): Likewise.
2383 (out_movsi_r_mr): Optimized.
2384 (output_movsisf): Compute insn length for `adjust_insn_length'
2385 (out_movqi_mr_r): Optimized.
2386 (out_movhi_mr_r): Optimized.
2387 (adjust_insn_length): Use output_movsisf, output_movqi,
2388 output_movhi for insn length adjusting.
2389 (reg_unused_after): Use dead_or_set_p.
2390 (preferred_reload_class): Now havn't any restriction.
2391 (reg_was_0): New function.
2392 (io_address_p): Likewise.
2393 (const_int_pow2_p): Likewise.
2394 (output_reload_inhi): Likewise.
2395 (output_reload_insisf): Likewise.
2397 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
2398 (LIB_SPEC): Use -lc for all supported devices.
2399 (LIBGCC_SPEC): Use -lgcc for all supported devices.
2400 (AVR_MEGA): Define as avr_mega_p.
2401 (AVR_ENHANCED): New, define as avr_enhanced_p.
2402 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
2403 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
2404 (CRT_BINUTILS_SPECS): Handle all known MCU types.
2405 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
2406 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
2407 (ASM_SPEC): Pass -mmcu=... to the assembler.
2408 Change all -DAVR_* to -D__AVR_*__.
2409 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
2410 Rename library functions to start with two underscores.
2411 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
2413 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
2414 (SUPPORTS_WEAK): Likewise.
2415 (LDI_REG_REGNO): New. Register r31 will be used as temporary
2416 register for loading constants to r0-r14.
2418 * config/avr/avr.md: Replace all TARGET_ENHANCED with
2420 (*mov_r_sp): Removed. Handled by output_movhi.
2421 (*mov_sp_r): Likewise.
2422 (*mov_sp_r_no_interrupts): Likewise
2423 (*mov_sp_r_tiny): Likewise.
2424 (*movqi): Use output_movqi.
2425 (*reload_inqi): New.
2426 (*movhi): Use output_movhi.
2427 (*reload_inhi): New.
2428 (*negsi2): Optimized.
2429 (*negsf2): Likewise.
2430 Added peepholes (define_peephole2) for loading constants to r0-r14
2431 and for using `cpse' command.
2433 * config/avr/libgcc.S: Rename library functions to start with two
2435 Add support for enhanced core.
2436 (_moqhi3): Fix typo, now _modqi3.
2437 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
2438 (__prologue_saves__): Remove test for stack adjust by 0.
2439 (__tablejump__): New.
2441 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
2442 Add multilib support.
2444 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
2446 * loop.c (prescan_loop): Don't check unknown_address_altered
2447 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
2448 to loop_store_mems as necessary.
2449 (loop_invariant_p): Don't check unknown_address_altered
2450 or unknown_constant_address_altered.
2452 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2454 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
2456 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2458 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
2459 print just the filename.
2460 * cpplex.c (_cpp_run_directive): Add additional argument, the
2461 name to give the synthetic buffer. This defaults to
2462 translated "<command line>".
2463 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
2465 (_cpp_define_builtin): New function.
2466 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
2467 * cpphash.h: Update prototypes.
2469 * tradcpp.c (main): Process -D and -U simultaneously, in the
2470 order they appeared on the command line.
2472 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2474 * c-decl.c (define_label): Call warning_with_file_and_line and
2475 error_with_file_and_line instead of plain warning or error.
2477 * c-parse.in (label): Use save_filename/save_lineno to ensure
2478 correct values for calls to define_label.
2480 2000-08-29 Mark Mitchell <mark@codesourcery.com>
2482 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
2484 * expr.c (expand_expr, case TARGET_EXPR): Don't call
2486 * tree.h (get_file_function_name): Remove two duplicate
2489 2000-08-28 Kazu Hirata <kazu@hxi.com>
2491 * tree.c: Fix formatting.
2493 * xcoffout.c: Fix formatting.
2495 2000-08-28 Jason Merrill <jason@redhat.com>
2497 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
2499 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2501 * dwarf2out.c (dwarf2out_finish): Don't bother calling
2502 break_out_includes if it won't do anything.
2504 2000-08-28 Richard Henderson <rth@cygnus.com>
2506 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
2507 (find_reloads): Likewise.
2508 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
2509 (reload_inhi): Likewise.
2511 2000-08-28 Richard Henderson <rth@cygnus.com>
2513 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
2514 (call_insn_operand): Don't expect a surrounding mem.
2515 (constant_call_address_operand): Likewise.
2516 * config/i386/i386.h (PREDICATE_CODES): Update.
2517 * config/i386/i386.md (call patterns): Move the match_operand
2518 for the call destination inside the mem.
2520 2000-08-28 Richard Henderson <rth@cygnus.com>
2522 * local-alloc.c (requires_inout): Don't use reserved range for
2523 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
2524 * recog.c (asm_operand_ok): Likewise.
2525 (preprocess_constraints, constrain_operands): Likewise.
2526 * regclass.c (record_reg_classes): Likewise.
2527 * reload.c (find_reloads): Likewise.
2528 * reload1.c (maybe_fix_stack_asms): Likewise.
2529 (reload_cse_simplify_operands): Likewise.
2530 * stmt.c (expand_asm_operands): Likewise.
2532 * md.texi: Update constraints documentation.
2533 * tm.texi (EXTRA_CONSTRAINT): Update.
2535 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2537 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
2538 (print_die): If we don't know the offset of the
2539 target die, try the symbol. Add a trailing newline.
2540 (reverse_all_dies): New fn.
2541 (dwarf2out_finish): Call it.
2542 (break_out_includes): Reorganize for clarity.
2543 (add_sibling_attributes): Don't call reverse_die_lists.
2544 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
2546 * flags.h: Add flag_eliminate_dwarf2_dups.
2547 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
2549 2000-08-28 Jason Merrill <jason@redhat.com>
2551 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
2552 * dwarf2out.c: #include "md5.h".
2553 (DIE_LABEL_PREFIX): New macro.
2554 (dw_val_struct): Add 'external' flag to val_die_ref.
2555 (add_AT_die_ref, AT_ref): Adjust.
2556 (AT_ref_external, set_AT_ref_external): New fns.
2557 (build_abbrev_table): Call set_AT_ref_external.
2558 (value_format): Call AT_ref_external.
2559 (die_struct): Add die_symbol field.
2560 (new_die): Clear it.
2561 (dwarf_tag_name): Handle BINCL/EINCL.
2562 (dwarf2out_start_source_file): Add BINCL DIE.
2563 (dwarf2out_end_source_file): Add EINCL DIE.
2564 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
2565 (loc_checksum, attr_checksum, die_checksum): New fns.
2566 (is_type_die, is_comdat_die, is_symbol_die): New fns.
2567 (compute_section_prefix, assign_symbol_names): New fns.
2568 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
2569 (output_die): Call output_die_symbol and AT_ref_external.
2570 (output_comdat_comp_unit): New fn, split out from...
2571 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
2573 (output_pubnames, output_aranges): Abort if we see entries from
2575 * toplev.h: Declare file_name_nondirectory.
2576 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
2577 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
2578 (debug_start_source_file): Call dwarf2out_start_source_file
2579 regardless of debug verbosity.
2580 (debug_end_source_file): Similarly.
2581 * tree.h: Declare clean_symbol_name.
2582 * tree.c (clean_symbol_name): Split out from...
2583 (get_file_function_name_long): ...here.
2585 * dwarf2out.c (new_loc_descr): Use calloc.
2586 (splice_child_die): Remove the die from the right parent.
2587 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
2589 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2591 * toplev.c (decode_g_option): Don't give warning for unknown -g
2592 option; return 0 instead.
2593 (main): If -g option is not recognized by front end or
2594 language-independent code, give warning.
2596 2000-08-28 Greg McGary <greg@mcgary.org>
2598 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
2599 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
2600 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
2602 2000-08-27 Greg McGary <greg@mcgary.org>
2604 * cpplex.c (parse_string): Don't look for backslash
2605 before first char in `namebuf'.
2606 * loop.c (strength_reduce): Skip NOTEs.
2608 2000-08-27 Jason Merrill <jason@redhat.com>
2610 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
2611 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
2612 TREE_ASM_WRITTEN, either.
2613 (finish_decl): Adjust.
2615 2000-08-28 Philipp Thomas <pthomas@suse.de>
2617 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
2618 they have been incorporated into the gettext CVS. Change the text to
2619 reflect the current status of NLS. Add instructions for accessing
2620 the gettext CVS and add the patch from Martin v. Loewis.
2622 2000-08-27 Geoff Keating <geoffk@cygnus.com>
2624 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
2625 by using gen_lowpart_common.
2626 (movdi_internal64+6): Likewise.
2628 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
2630 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
2633 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
2634 numbers to the ranges used by GDB.
2636 2000-08-25 Richard Henderson <rth@cygnus.com>
2638 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
2639 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
2640 (ia64_expand_prologue): Likewise.
2641 (ia64_setup_incoming_varargs): Set it. Properly skip the current
2642 argument for stdargs.
2644 2000-08-25 Jason Merrill <jason@redhat.com>
2646 * integrate.c (expand_inline_function): Pull out the original decl.
2648 2000-08-25 Jim Wilson <wilson@cygnus.com>
2650 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
2652 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
2654 2000-08-25 Greg McGary <greg@mcgary.org>
2656 * flow.c (dump_edge_info): Use ARRAY_SIZE.
2657 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
2659 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
2661 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
2663 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
2665 * i386.c (ix86_find_base_term): New.
2666 * i386-protos.h (ix86_find_base_term): Prototype.
2667 * i386.h (FIND_BASE_TERM): Define.
2668 * alias.c (find_base_term): Use it.
2669 * tm.texi (FIND_BASE_TERM): Document it.
2671 * alias.c (true_dependence, write_dependence_p): Unchanging
2672 memory can't conflict with non-unchanging memory.
2674 * alias.c (memrefs_conflict_p): A BLKmode reference
2675 to a symbol (or CONST_INT address) always conflicts
2676 with a reference to another symbol.
2678 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
2680 * c-common.c (time_char_table): Don't allow width and flags with
2683 2000-08-25 Jakub Jelinek <jakub@redhat.com>
2685 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
2686 way as LT and LTU when the second operand has 0 in low word.
2688 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2690 * basic-block.h (struct loop): Rename `exits' field to
2691 `exit_edges'. Add `entry_edges' and `num_entries' fields.
2693 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
2694 (flow_loop_entry_edges_find): Add.
2695 (flow_edge_list_print): Rename from flow_exits_print.
2696 (flow_loops_find): Call flow_loop_entry_edges_find.
2697 (flow_loop_dump): Dump entry_edges list.
2698 (flow_loops_free): Free entry_edges.
2700 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2702 * loop.c (loop_dump_aux, debug_loop): New functions.
2703 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
2705 * flow.c (flow_loops_dump): Add callback parameter.
2706 (flow_loop_dump): Add callback parameter and call it. Move
2707 loop note debugging code to loop_dump_aux.
2709 * basic-block.h (flow_loop_dump): Add callback parameter
2710 (flow_loops_dump): Likewise.
2712 * toplev.c (rest_of_compilation): Add NULL callback function pointer
2713 to call to flow_loops_dump.
2715 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2717 * loop.c (count_loop_regs_set): Replace start and end arguments
2718 with loop argument. All callers udated.
2720 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2722 * loop.c (constant_high_bytes): Delete.
2724 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2726 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
2727 and NOTE_INSN_LOOP_VTOP to...
2728 (find_and_verify_loops) ...here.
2730 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
2732 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
2733 (fini_dummy, init_dummy): Use it.
2735 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
2737 * cpplex.c (is_macro_disabled): Caller has already checked
2738 that we're not a preprocessed file.
2740 2000-08-24 Mark Mitchell <mark@codesourcery.com>
2742 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
2743 (c-iterate.o): Remove target.
2744 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
2745 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
2746 (finish_decl): Don't handle iterators.
2747 (grokdeclarator): Likewise.
2748 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
2749 * gcc/c-gperf.h: Regenerated.
2750 * gcc/c-iterate.c: Removed.
2751 * gcc/c-lex.c (init_lex): Don't handle iterators.
2752 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
2753 (compstmt_primary_start): Remove push_iterator_stack call.
2754 (stmt): Don't allow iterator statements. Replace iterator_expand
2755 with expand_expr_stmt.
2756 (all_iter_stmt): Remove.
2757 (all_iter_stmt_simple): Likewise.
2758 (all_iter_stmt_with_decl): Likewise.
2759 * gcc/c-tree.h (ITERATOR_P): Remove.
2760 (ITERATOR_BOUND_P): Likewise.
2761 (init_iterators): Remove declaration.
2762 (iterator_expand): Likewise.
2763 (iterator_for_loop_start): Likewise.
2764 (iterator_for_loop_end): Likewise.
2765 (iterator_for_loop_record): Likewise.
2766 (push_iterator_stack): Likewise.
2767 (pop_iterator_stack): Likewise.
2768 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
2769 (readonly_warning): Likewise.
2770 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
2772 2000-08-24 Jim Wilson <wilson@cygnus.com>
2774 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
2775 Copy type in a TYPE_DECL, just like pushdecl does.
2777 2000-08-24 Richard Henderson <rth@cygnus.com>
2779 * toplev.c (main): Enable flag_reorder_blocks at -O2.
2781 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2783 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
2784 asked for one page, allocate GGC_QUIRE_SIZE of them and put
2785 the extras on the free list.
2786 (release_pages): Clean up.
2787 (ggc_set_mark): Don't adjust G.allocated here...
2788 (sweep_pages): ... do it here.
2790 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2792 * cppfiles.c (read_include_file): Rearrange initializations.
2794 2000-08-24 Richard Henderson <rth@cygnus.com>
2796 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
2798 * config/ia64/ia64-protos.h: Update.
2799 * config/ia64/ia64.c (gr_register_operand): New.
2800 (fr_register_operand, grfr_register_operand): New.
2801 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
2802 (grfr_reg_or_8bit_operand): New.
2803 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
2804 use gr_register_operand.
2805 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
2806 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
2807 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
2808 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
2809 (fr_reg_or_fp01_operand): Likewise.
2810 (not_postinc_memory_operand): New.
2811 (ia64_split_timode): Remove unused variables.
2812 (rtx_needs_barrier): Check arguments to cmpxchg.
2813 (builtin_description): Remove.
2814 (bdesc_2argsi, bdesc_2argdi): Remove.
2815 (ia64_init_builtins): Declare all builtins directly.
2816 (ia64_expand_fetch_and_op): Rewrite to be called from
2817 ia64_expand_builtin directly. Use expand_binop and co.
2818 (ia64_expand_op_and_fetch): Likewise.
2819 (ia64_expand_compare_and_swap): Likewise.
2820 (ia64_expand_binop_builtin): Remove.
2821 (ia64_expand_lock_test_and_set): New.
2822 (ia64_expand_lock_release): New.
2823 (ia64_expand_builtin): Use them.
2824 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
2825 (EXTRA_CONSTRAINT): Use it.
2826 (PREDICATE_CODES): Update.
2827 * config/ia64/ia64.md (*): Use gr_register_operand and co.
2828 (mf): Indicate that we set memory as well as use it.
2829 (fetchadd_acq_si): Show memory being modified as well.
2830 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
2831 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
2832 (lock_test_and_set_si, lock_test_and_set_di): Remove.
2833 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
2834 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
2835 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
2836 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
2837 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
2838 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
2839 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
2840 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
2841 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
2842 return type. Pretty print definitions.
2844 2000-08-24 Jim Wilson <wilson@cygnus.com>
2846 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
2847 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
2849 2000-08-24 Jason Merrill <jason@redhat.com>
2851 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
2852 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
2853 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
2854 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
2856 2000-08-24 Greg McGary <greg@mcgary.org>
2858 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
2859 and extendtab within their proper array boundaries.
2860 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
2861 for the entire array.
2863 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
2864 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
2865 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
2866 * config/fr30/fr30.c (fr30_print_operand): Likewise.
2867 * config/i386/dgux.c (output_options): Likewise.
2868 * config/i386/dgux.h (ASM_FILE_START): Likewise.
2869 * config/m88k/m88k.c (output_options): Likewise.
2870 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
2871 * config/mcore/mcore.c (mcore_output_inline_const_forced,
2872 layout_mcore_frame, handle_structs_in_regs): Likewise.
2873 * config/mips/mips.c (output_block_move): Likewise.
2874 * config/rs6000/rs6000.c (rs6000_override_options,
2875 rs6000_file_start): Likewise.
2876 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
2877 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
2878 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
2879 * builtins.c (expand_builtin_setjmp): Likewise.
2880 * expr.c (safe_from_p): Likewise.
2881 * flow.c (life_analysis): Likewise.
2882 * fold-const.c (size_int_type_wide): Likewise.
2883 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
2884 * genattrtab.c (make_length_attrs): Likewise.
2885 * genopinit.c (gen_insn): Likewise.
2886 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
2887 * global.c (global_alloc): Likewise.
2888 * local-alloc.c (find_free_reg): Likewise.
2889 * mips-tdump.c (print_symbol): Likewise.
2890 * mips-tfile.c (parse_def, parse_input): Likewise.
2891 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
2892 * stmt.c (expand_nl_goto_receiver): Likewise.
2893 * stor-layout.c (set_sizetype): Likewise.
2894 * varasm.c (decode_reg_name): Likewise.
2895 * toplev.c (decode_f_option, decode_W_option,
2896 set_target_switch, print_switch_values): Likewise.
2897 (NUM_ELEM): Remove macro.
2898 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
2900 2000-08-24 Greg McGary <greg@mcgary.org>
2902 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
2903 (MAIN_NAME_P, main_identifier_node): New macros.
2904 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
2905 * c-decl.c (start_decl, grokdeclarator, start_function,
2906 store_parm_decls, finish_function): Use MAIN_NAME_P.
2907 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
2908 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
2909 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
2910 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
2912 2000-08-24 Greg McGary <greg@mcgary.org>
2914 * cppfiles.c (actual_directory): Don't write beyond `dir'
2915 when it contains "".
2916 * real.c (asctoeg): Stay within bounds of etens[][].
2918 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2920 * dependence.c (dependence_string, direction_string,
2921 dump_one_node, dump_node_dependence): Hide unused identifiers.
2922 (get_low_bound, normalize_coefficients): Match definition to
2924 (get_one_coefficient): Initialize variables `value0_is_idx' and
2926 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
2927 (ziv_test): Delete variable `idx', use parameter `sub' instead.
2928 (direction_merge): Avoid automatic aggregate initialization.
2929 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
2930 Initialize variables `dest_idx' and `src_idx'.
2931 (end_dependence_analysis): Avoid C89 style function definition.
2933 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
2935 * c-common.c (time_char_table): Don't allow width with %F.
2936 (check_format_info): Don't allow "Z" length with scanf.
2938 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
2940 * diagnostic.c (finish_diagnostic): Define.
2941 (output_do_printf): Use wrap_text instead of output_add_string.
2942 (default_print_error_function): Avoid embedded '\n'.
2944 * diagnostic.h (flush_diagnostic_buffer): Declare.
2946 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
2948 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
2950 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
2952 * Makefile.in (GCC_PASSES): Add specs.
2954 2000-08-23 Jim Wilson <wilson@cygnus.com>
2956 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
2957 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
2958 EHANDLER nor UHANDLER bit is set.
2959 (__get_except_table): Likewise.
2961 2000-08-23 Nick Clifton <nickc@redhat.com>
2963 * config/arm/lib1funcs.asm: Replace upper case condition codes
2964 with lower case versions.
2966 * config/arm/arm.h (STRUCT_VALUE): Define.
2967 (STRUCT_VALUE_REGNUM): Delete.
2969 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
2971 * cpphash.h (IN_I): New flag for directive table.
2972 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
2974 (_cpp_check_directive): If -fpreprocessed, execute directives
2975 marked with IN_I. Issue no warnings in this case.
2976 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
2978 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
2980 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
2982 (check_format_info): Support printf 'I' flag; warn about it with
2985 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
2987 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
2988 barrier can't be ignored by the alias analysis code.
2990 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
2992 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
2993 works inside fixincl.
2995 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
2997 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
2998 simplify_relational_operation() unless both operands are of
3000 * cse.c (fold_rtx): Likewise.
3002 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3004 * rtlanal.c (rtx_unstable_p): The pic register is stable
3005 (within one function) and the actual rtx should be used
3006 when checking the registers.
3007 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3009 * alias.c (true_dependence, write_dependence_p): Fix
3010 bug in previous patch.
3012 * i386.c (ix86_GOT_alias_set): New.
3013 (legitimize_pic_address): Use it.
3015 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3016 only stable if its address is stable.
3017 (rtx_varies_p): An unchanging MEM can't vary if
3018 its address doesn't vary.
3020 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3022 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3024 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3026 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3027 * x-vax-gcc: New file for bootstrapping with gcc.
3028 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3029 * configure.in: Use x-vax-gcc with gcc.
3030 * configure: Rebuilt.
3032 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3034 * toplev.c (rest_of_compilation): Rebuild label notes after
3035 post-reload splitting pass if new labels have been created.
3037 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3039 * diagnostic.h (output_buffer_state): New macro.
3040 * diagnostic.c (diagnostic_for_decl, sorry,
3041 default_print_error_function, output_do_verbatim,
3042 report_diagnostic, report_problematic_module): Use it.
3044 (output_format): Use wrap_text instead of maybe_wrap_text.
3046 2000-08-22 Nick Clifton <nickc@redhat.com>
3048 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3049 Common code for ARM divide and modulus functions.
3050 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3052 (FUNC_END): New macro: Common code at the end of the division and
3054 (THUMB_FUNCTION_START): New macro: Common code at the start of
3056 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3058 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3060 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3062 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3063 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3066 2000-08-22 Nick Clifton <nickc@redhat.com>
3068 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3069 restorative additions, test for bottom bits of IP being set,
3070 rather than relying upon the RORs not matching.
3073 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3075 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3076 text_section() as appropriate instead of emitting text csect
3078 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3079 (UNIQUE_SECTION): Define macro.
3080 (ASM_OUTPUT_SECTION_NAME): Define macro.
3081 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3082 on AIX if debugging and -fdata-sections always.
3084 2000-08-22 Steven King <sxking@uswest.net>
3086 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3088 (LDBL_MAX): Same here.
3090 2000-08-22 Richard Henderson <rth@cygnus.com>
3092 * flow.c (tidy_fallthru_edge): Update b->end properly.
3094 2000-08-22 Stan Cox <scox@redhat.com>
3096 * Makefile.in (OBJS): Add dependence.o.
3097 * dependence.c: New file.
3099 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3101 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3103 (check_sibcall_argument_overlap): Likewise.
3105 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3107 * invoke.texi (SH Options): Document -m4-nofpu,
3108 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3109 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3111 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3113 * c-common.c (check_format_info): Give the 'some locales' warning
3114 for strftime %Ey rather than the unconditional 'only last 2 digits
3117 2000-08-22 Richard Henderson <rth@cygnus.com>
3119 * alias.c (init_alias_analysis): Do not register
3120 struct_value_incoming_rtx or static_chain_rtx as pointing
3123 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3125 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3127 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3129 * diagnostic.h (report_problematic_module): Declare.
3130 * diagnostic.c (report_problematic_module): New function.
3131 (report_error_function): Tweak.
3133 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3135 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3136 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3138 2000-08-21 Richard Henderson <rth@cygnus.com>
3140 * flow.c (calculate_global_regs_live): Mark frame pointer live
3141 everywhere before reload.
3143 2000-08-21 Jim Wilson <wilson@cygnus.com>
3145 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3146 INTEL_EXTENDED_IEEE_FORMAT.
3147 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3148 clear last two bytes of output FP value.
3150 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3152 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3154 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3156 * unroll.c (loop_find_equiv_value): If ret is modified between
3157 insn and loop_start, ret might not be equivalent to reg.
3159 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3161 * c-common.c (init_dollar_format_checking,
3162 maybe_read_dollar_number, finish_dollar_format_checking): New
3164 (dollar_arguments_used, dollar_arguments_count,
3165 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
3167 (check_format_info): Support $ formats for scanf and printf width
3168 and precision. Always increment format_chars to advance past the
3169 '*' of precision, not just when the format parameters are
3172 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3174 * mips.c (block_move_loop, expand_block_move,
3175 function_arg_partial_nregs, save_restore_insns, function_prologue,
3176 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
3178 (function_arg_advance, function_arg): Match argument to format
3181 2000-08-21 Nix <nix@esperi.demon.co.uk>
3183 * gcc.c (do_spec_1): Implement %j spec flag.
3184 Remove dead comment.
3186 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
3187 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
3188 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
3189 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
3191 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
3192 writable) instead of hardcoded value.
3194 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
3196 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
3199 * gcc.c (cc1_options): Do not process -o or run the assembler if
3201 * objc/lang-spec.h: Likewise.
3203 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
3205 * fixinc/fixincl.c (fix_with_system): Pipe the output of
3206 "external" fixes through `cat', to avoid truncating the input
3207 file by redirection.
3209 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3211 * config/i386/i386.md (lea_general_1): Copy insn condition to split
3213 (lea_general_2, lea_general_3): Likewise.
3215 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3217 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
3218 warnings to user code.
3220 * c-lex.c (readescape, yylex): Likewise.
3222 * c-typeck.c (store_init_value, process_init_element): Likewise
3223 (c_expand_start_case): Format.
3225 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
3227 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
3229 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
3230 and linker_endian_spec to endian_spec.
3231 (ENDIAN_SPEC): Add %{EB} and %{EL}.
3232 (LINK_SPEC): Remove %{EB} and %{EL}.
3233 (ASM_SPEC): Likewise. Use %(endian_spec).
3235 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3237 * c-tree.h (flag_hosted): Move declaration from here...
3238 * c-common.h (flag_hosted): ... to here.
3239 (flag_noniso_default_format_attributes): New declaration.
3240 * c-decl.c (flag_noniso_default_format_attributes): New variable.
3241 (c_decode_option): Set it appropriately for options choosing
3242 language standard variant.
3243 * c-common.c (init_function_format_info): Only provide default
3244 format attributes if flag_hosted. Only provide the gettext
3245 formats if flag_noniso_default_format_attributes. Update
3247 (check_format_info): Disable treatment of %a as a scanf flag in
3250 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3252 * c-common.c (scan_char_table): Add 'w' to flags for all formats
3254 (check_format_info): Set 'wide' for scanf format widths. Warn for
3255 a zero scanf width. Make the check for writing into a constant
3256 object at the first level of indirection; at later levels, warn if
3257 any type qualifiers are encountered.
3259 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
3261 * reload.c (reload_inner_reg_of_subreg): New function broken out of
3263 (push_reload): Use reload_inner_reg_of_subreg.
3264 (combine_reloads): Do not combine reloads if the input reload
3265 is a SUBREG in which the inner part will need reloading.
3267 * global.c (global_alloc): Avoid passing dumpfile argument to
3269 * toplev.c (rest_of_compilation): Likewise.
3270 * reload.h (reload): Remove dumpfile argument. Callers changed.
3271 (debug_reload, debug_reload_to_stream): Move prototypes here.
3272 * rtl.h (reload): Remove dumpfile argument.
3273 * reload.c (debug_reload): Remove prototype.
3274 (debug_reload_to_stream): Likewise.
3275 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
3278 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3280 * diagnostic.c (context_as_prefix): Export.
3281 (need_error_newline): Remove.
3282 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
3283 (error_module_changed, record_last_error_module,
3284 error_function_changed, record_last_error_function): New functions.
3285 (initialize_diagnostics): Default intialize
3286 lang_diagnostic_starter, lang_diagnostic_finalizer.
3287 (init_output_buffer): Tweak.
3288 (file_name_as_prefix): New function.
3289 (announce_function, default_print_error_function,
3290 report_error_function, set_diagnostic_context): Tweak.
3292 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
3294 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
3295 condition expression.
3297 2000-08-20 Richard Henderson <rth@cygnus.com>
3299 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
3301 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
3303 * cppinit.c (cpp_init): Set global flag when called.
3304 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
3306 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
3308 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
3309 before `process_directive' so that newlines won't be missed
3311 (cpp_printf): Increment `print->lineno' when newline is emitted.
3313 * cppmain.c (cb_ident): Likewise.
3314 (cb_define): Likewise.
3315 (cb_undef): Likewise.
3316 (cb_include): Likewise.
3317 (cb_def_pragma): Likewise.
3318 (dump_macros_helper): Likewise.
3320 2000-08-20 Richard Henderson <rth@cygnus.com>
3322 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
3323 assigned before a loop.
3325 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
3326 (ashrsi3, lshrsi3): Likewise.
3328 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3330 * c-lang.c: #include diagnostic.h
3331 (c_tree_printer): New function.
3332 (lang_init): Initialize lang_printer.
3334 * Makefile.in (c-lang.o): Depends on diagnostic.h
3336 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3338 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
3340 * diagnostic.c (default_diagnostic_starter,
3341 default_diagnostic_finalizer): New functions.
3342 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
3343 (pedwarn, pedwarn_with_file_and_line, error,
3344 error_with_file_and_line, fatal, warning,
3345 warning_with_file_and_line): Adjust call to report_diagnostic.
3346 (report_diagnostic): Rework.
3347 (set_diagnostic_context): New function.
3349 * diagnostic.h (struct diagnostic_context): New data structure.
3350 (diagnostic_message, diagnostic_argument_list,
3351 diagnostic_file_location, diagnostic_line_location,
3352 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
3353 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
3354 (set_diagnostic_context): Declare.
3355 (report_diagnostic): Change prototype.
3357 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
3359 * fix-header.c (main): Initialize cpplib.
3361 2000-08-19 Michael Meissner <meissner@redhat.com>
3363 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
3364 instructions in it before checking for indirect jumps.
3366 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
3367 in a indirect jump as a potential for conditional execution.
3369 * d30v.h (d30v_init_expanders): Don't declare here.
3370 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
3373 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
3375 * cpp.texi: Add @section for assertions.
3377 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
3379 * loop.c (scan_loop): Use CONST_CALL_P instead of
3380 checking for REG_LIBCALL / REG_RETVAL.
3382 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
3384 * reload1.c (reload_as_needed): Accept dumpfile argument,
3385 pass it to emit_reload_insns.
3386 (emit_reload_insns): Add new dumpfile argument. If non-null
3387 then dump the reloads for each insn into the dumpfile.
3388 (reload): Pass dumpfile to reload_as_needed.
3390 * invoke.texi: Clean up linux-gnu vs linux comments.
3392 2000-08-19 Richard Henderson <rth@cygnus.com>
3394 * config/ia64/ia64.c (reg_or_5bit_operand): New.
3395 (ia64_depz_field_mask): New.
3396 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
3397 (PREDICATE_CODES): Update.
3398 * config/ia64/ia64.md: Update commentary.
3399 (depz_internal): New.
3400 (ashlsi3): Implement directly.
3401 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
3402 (ashldi3): Use shladd.
3403 * config/ia64/ia64-protos.h: Update.
3405 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3407 * toplev.c (independent_decode_option): Always process -g.
3408 Remove third argument, now unused. Adjust caller to match.
3410 2000-08-18 Richard Henderson <rth@cygnus.com>
3412 * combine.c (make_compound_operation): Break after creating
3415 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3417 * cpplib.c (cpp_register_pragma_space): Just return if the
3418 namespace is already registered.
3420 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
3422 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
3423 constant amount. Do not generate ROTL instruction.
3425 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
3427 * config/sh/elf.h: Do not include sh/sh.h.
3428 * config/sh/rtems.h: Likewise.
3429 * config/sh/rtemself.h: Do not include sh/elf.h.
3430 * configure.in: Get them included with `tm_file's.
3431 * configure: Rebuilt.
3433 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
3434 * config/sh/sh.c (fpscr_set_from_mem): Use them.
3436 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3438 * stor-layout.c (compute_record_type): Don't use mode of single
3439 field as mode of record if not integer mode of same type.
3441 * regmove.c (perhaps_ends_bb_p): New function.
3442 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
3443 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
3444 (fixup_match_1): Likewise.
3445 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
3446 avoid signed/unsigned warnings.
3448 * function.c (fixup_var_refs_1, case MEM): Update CODE after
3451 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
3453 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
3454 (_cpp_trigraph_map): Declaration moved from cpplex.c
3456 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
3457 instead of 256. Use consistent test for designated initializers.
3458 (cpp_init): Initialize trigraph_map.
3459 (initialize_standard_includes, parse_option): Use memcmp
3462 * cpplex.c (init_trigraph_map): Remove.
3463 (trigraph_ok, trigraph_replace, lex_line): Refer to
3466 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
3467 (do_unassert): Remove unused "next" local.
3469 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
3471 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
3473 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
3476 2000-08-17 Richard Henderson <rth@cygnus.com>
3478 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
3479 the first insn in a sequence.
3481 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
3483 * alias.c (true_dependence, write_dependence_p): A read
3484 involving a label_ref or the constant pool doesn't create
3487 * rtl.h (unchanging): Improve documentation.
3489 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
3491 * cse.c (insert_regs): Remove unused `regno'.
3493 2000-08-17 Neil Booth <NeilB@earthling.net>
3495 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
3496 remove_dup_dirs. If qtail == brack, remove brack not
3498 (remove_dup_dir, remove_dup_dirs): New functions.
3500 2000-08-17 Neil Booth <NeilB@earthling.net>
3502 * cppinit.c (cpp_cleanup): Free include dir chains.
3503 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
3504 (do_unassert): Free the assert with _cpp_free_definition.
3505 * cppmacro.c (_cpp_free_definition): Free memory allocated for
3506 assertions. Make the node a T_VOID node.
3508 2000-08-17 Neil Booth <NeilB@earthling.net>
3510 * cppinit.c (path_include, append_include_chain):
3511 Remove 2nd parameter (struct cpp_pending *).
3512 (path_include, initialize_standard_includes, cpp_handle_option):
3513 Update callers appropriately.
3514 (cpp_handle_option): Use pend.
3516 2000-08-17 Neil Booth <NeilB@earthling.net>
3518 * cppinit.c (sort_options): Remove, put functionality in
3521 (initialize_builtins): Free memory.
3522 (cpp_start_read): Move init_IStable to cpp_init.
3524 * cpplib.h (cpp_init): New prototype.
3525 * cppmain.c (main): Call cpp_init.
3527 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
3529 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
3530 (rtx_unstable_p, rtx_varies_p): Process vectors.
3532 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3534 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
3535 references to GLOBAL symbols. Use LOCAL where appropriate.
3537 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3539 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
3540 use t-aix41 when host == target.
3542 2000-08-16 Richard Henderson <rth@cygnus.com>
3544 * reload.c (push_secondary_reload): Revert last change.
3545 If we use a reload_in/out pattern, make the when the same
3546 as the primary reload.
3547 (find_reloads): Likewise.
3549 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
3551 * configure.in (libstdcxx-v3): Fix test.
3552 * configure: Regenerate.
3554 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3556 * calls.c (calls_function_1, expand_call): Only test
3557 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3558 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3560 2000-08-16 Richard Henderson <rth@cygnus.com>
3562 * combine.c (simplify_shift_const): Revert previous two
3563 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
3564 before the main loop.
3566 2000-08-15 Richard Henderson <rth@cygnus.com>
3568 * combine.c (simplify_shift_const): Bound shift count when
3571 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3573 * calls.c (ECF_SP_DEPRESSED): New macro.
3574 (calls_function_1): Treat calling sp-depressed function as alloca.
3575 (emit_call_1): Don't adjust SP if calling sp-depressed function.
3576 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
3577 If sp-depressed, ensure block saves and restores SP.
3578 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
3580 * function.c (keep_stack_depressed): New function.
3581 (thread_prologue_and_epilogue_insns): Call it.
3582 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
3583 to print DECL_OFFSET_ALIGN.
3584 Print no-force-blk and transparent-union flags properly.
3585 * stmt.c (expand_goto_internal): Don't restore stack if last block
3586 and function returns with sp depressed.
3587 (fixup_gotos): Likewise.
3588 (save_stack_pointer): New function, from code in expand_decl.
3589 (expand_decl): Call new function.
3590 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
3591 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
3592 (save_stack_pointer): New declaration.
3594 * diagnostic.c (fatal_function): New variable.
3595 (set_fatal_function): New function.
3597 * diagnostic.h (set_fatal_function): New declaration.
3599 2000-08-15 William Cohen <wcohen@redhat.com>
3601 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
3602 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
3603 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
3605 2000-08-15 Richard Henderson <rth@cygnus.com>
3607 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
3609 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3611 * arm.c (arm_function_ok_for_sibcall): New function.
3612 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
3613 * arm.md (call expanders): Don't check here for calls that can't
3616 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3618 * arm.md (splits generating cond_exec): Disable.
3620 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3622 * arm/linux-elf.h (text_section): Delete declaration.
3624 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3626 ARM support for unordered FP operations.
3627 * arm-protos.h (arm_comparison_operator): Declare.
3628 * arm.c (arm_comparison_operator): New function.
3629 (arm_select_cc_mode): Add unordered comparison codes.
3630 (get_arm_condition_code): Likewise.
3631 (arm_final_prescan_insn): Can't handle unordered jumps that can't
3632 be done in one insn.
3633 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
3634 * arm.md (all uses of comparison_operator): Replace with
3635 arm_comparison_operator.
3636 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
3638 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
3641 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3643 * gthr-posix.h: Conditionally include <sched.h>; include
3644 <config.h> from libobjc/.
3646 2000-08-14 Richard Henderson <rth@cygnus.com>
3648 * config/i386/i386.c (legitimize_pic_address): Use Pmode
3651 2000-08-14 Richard Henderson <rth@cygnus.com>
3653 * configure.in (ia64-*): Set float_format for i386 long double.
3655 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
3656 as we would for i386 XFmode.
3657 (PUT_REAL): Likewise.
3658 (endian, ereal_atof, real_value_truncate): Likewise.
3659 (ereal_isneg, toe64, etens, make_nan): Likewise.
3660 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
3662 * config/ia64/ia64-protos.h: Update.
3663 * config/ia64/ia64.c (general_tfmode_operand): New.
3664 (destination_tfmode_operand): New.
3665 (tfreg_or_fp01_operand): New.
3666 (ia64_split_timode): New.
3667 (spill_tfmode_operand): New.
3668 (ia64_expand_prologue): Use TFmode not XFmode.
3669 (ia64_expand_epilogue): Likewise.
3670 (ia64_function_arg): Likewise.
3671 (ia64_function_arg_advance): Likewise.
3672 (ia64_return_in_memory): Likewise.
3673 (ia64_function_value): Likewise.
3674 (ia64_print_operand): Likewise.
3675 (ia64_register_move_cost): Set GR<->FR to 5.
3676 (ia64_secondary_reload_class): Get GR for TImode memory op.
3677 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
3678 (ROUND_TYPE_ALIGN): Remove.
3679 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
3680 (INTEL_EXTENDED_IEEE_FORMAT): Define.
3681 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
3682 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
3683 (MODES_TIEABLE_P): Use TFmode, not XFmode.
3684 (CLASS_MAX_NREGS): Likewise.
3685 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
3686 (PREDICATE_CODES): Update.
3687 * config/ia64/ia64.md (movti): New.
3688 (movti_internal): Use a clobber for memory alternatives.
3689 (reload_inti, reload_outti): New.
3690 (movsfcc_astep): Predicate properly.
3691 (movdfcc_astep): Likewise.
3694 (extendsftf2, extenddftf2): New.
3695 (trunctfsf2, trunctfdf2): New.
3696 (floatditf2, fix_trunctfdi2): New.
3697 (floatunsditf2, fixuns_trunctfdi2): New.
3698 (addtf3, subtf3, multf3, abstf2): New.
3699 (negtf2, nabstf2, mintf3, maxtf3): New.
3700 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
3702 (fr_spill): Use TFmode, not XFmode.
3703 (fr_restore): Likewise.
3704 * config/ia64/lib1funcs.asm (__divtf3): New.
3705 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
3707 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3709 * cse.c (fold_rtx): Avoid empty body in an if-statement.
3711 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
3712 `U' integer constant suffix.
3714 * dwarf2out.c (add_subscript_info): Avoid empty body in an
3717 * sparc/sol2.h (__enable_execute_stack): Prototype.
3719 2000-08-14 David Edelsohn <edelsohn@gnu.org>
3721 * collect2.c: Remove use of AIX import file.
3723 * longlong.h: Test ARCH_PWR not ARCH_POWER.
3725 * rs6000.c (print_operand, case 'E'): Add else.
3727 2000-08-14 Richard Henderson <rth@cygnus.com>
3729 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
3730 (movdi_symbolic): New.
3732 2000-08-14 Jim Wilson <wilson@cygnus.com>
3734 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3735 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
3736 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3739 2000-08-14 Richard Henderson <rth@cygnus.com>
3741 * expr.c (emit_group_load): Don't force constants into registers.
3742 Special case source already in the correct mode.
3744 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
3746 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
3747 * fixinc/inclhack.def: Likewise.
3748 * fixinc/mkfixinc.sh: Likewise.
3749 * configure: Regenerate.
3750 * fixinc/fixincl.x: Regenerate.
3751 * install.texi: Document equivalence of linux and linux-gnu.
3753 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3755 * cse.c (insert_regs): Also in REG case: When finding an invalid
3756 value, and we make a new quantity, make sure that it won't be
3757 mistaken by for a valid one by mention_regs.
3759 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
3761 * h8300.md: Remove obsolete peepholes.
3763 2000-08-13 Kazu Hirata <kazu@hxi.com>
3765 * invoke.texi (H8/300 Options): Fix typos.
3766 * config/h8300.c: Fix formatting.
3767 * config/h8300.h: Fix comment typos.
3768 (OVERRIDE_OPTIONS): Fix formatting.
3770 * function.c: Fix formatting.
3772 * cse.c: Fix formatting.
3774 2000-08-13 Geoff Keating <geoffk@cygnus.com>
3776 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
3777 (attempt_auto_inc): Suppress parentheses warning.
3778 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
3779 * loop.c (load_mems): Remove `u' suffix in two places.
3780 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
3782 * config/rs6000/rs6000.h: Likewise.
3783 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
3784 __eabi dummy routine.
3785 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
3788 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
3789 not put stuff in .sdata unnecessarily.
3790 (rs6000_unique_section): New function.
3791 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
3792 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
3794 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
3795 arrays in C99. Don't try to look at DECL_REGISTER of a
3796 COMPONENT_REF. Don't complain twice about the same error.
3798 * fixinc/inclhack.def (aix_pthread): New fix.
3799 (aix_sysmachine): New fix.
3800 * fixinc/fixincl.x: Regenerate.
3802 * expr.c (expand_expr): Call convert_modes when turning a large
3803 multiply into a small one.
3805 2000-08-12 Geoff Keating <geoffk@cygnus.com>
3807 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
3808 the tree structure an exponent rather than an explicit alignment
3809 so it doesn't overflow.
3810 (SET_DECL_OFFSET_ALIGN): New macro.
3811 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
3812 rather than DECL_OFFSET_ALIGN.
3813 (place_field): Likewise.
3814 * expmed.c (store_bit_field): Abort on align==0 to avoid
3815 antisocial machine behaviour.
3817 2000-08-12 Richard Henderson <rth@cygnus.com>
3819 * sibcall.c (uses_addressof): Accept both addressof and
3820 current_function_internal_arg_pointer inside a mem.
3821 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
3822 if current_function_uses_addressof.
3823 * stmt.c (expand_return): Kill tail recursion and HAVE_return
3826 2000-08-11 Richard Henderson <rth@cygnus.com>
3828 * config/ia64/ia64.md (addsi3): Remove expander.
3829 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
3830 (*addsi3_shladd): New.
3832 2000-08-11 Richard Henderson <rth@cygnus.com>
3834 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
3835 (do_restore): Likewise.
3836 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
3837 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
3838 (rtx_needs_barrier): Track actual bit manipulation for
3839 ar.unat moves, gr_spill, and gr_restore.
3840 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
3841 (process_set): Don't handle varargs spills.
3842 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
3843 .mem.offset here instead of in process_set.
3844 (gr_restore): Likewise.
3846 2000-08-11 Richard Henderson <rth@cygnus.com>
3848 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
3850 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
3852 * gcc.texi (The Configuration File): Document
3853 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
3854 UPDATE_PATH_HOST_CANONICALIZATION.
3856 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3858 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
3859 unprototyped function pointer casts on integer constants.
3861 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
3863 * fixproto: Recognize DOS paths with drive letters as absolute paths.
3865 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
3867 * extend.texi (Volatiles): Fix typos.
3869 2000-08-11 Kazu Hirata <kazu@hxi.com>
3871 * flow.c: Fix formatting.
3873 2000-08-11 Richard Henderson <rth@cygnus.com>
3875 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
3876 pattern, always allocate a tertiary scratch register.
3878 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
3879 (reload_inhi): Likewise.
3881 2000-08-11 Richard Henderson <rth@cygnus.com>
3883 * function.c (put_reg_into_stack): Allow type to be NULL.
3884 (schedule_fixup_var_refs): Likewise.
3885 (gen_mem_addressof): Allow decl to be NULL.
3886 (put_addressof_into_stack): Likewise.
3888 * flow.c (merge_blocks_nomove): Be more careful about
3889 locating the beginning of block A.
3891 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
3893 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3898 * config.in: Reverted the check for <sched.h>.
3900 2000-08-10 Chris Demetriou <cgd@sibyte.com>
3902 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
3903 macros define the name of CTOR and DTOR sections.
3904 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3905 DTOR_LIST_END): Change to use attributes to specify
3907 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
3908 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
3909 DTOR_LIST_END): Same as in mips/elf.h.
3911 2000-08-10 Drew Moseley <dmoseley@redhat.com>
3913 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
3914 disabling just crt0.o.
3916 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
3918 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
3919 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
3920 (EXTRA_SPECS): Add them.
3921 * arm/lib1funcs.asm: Support builds for interworking.
3922 Use macros to eliminate duplicated pieces of code.
3924 2000-08-10 Kazu Hirata <kazu@hxi.com>
3926 * h8300.c (expand_a_rotate): New.
3927 (emit_a_rotate): Likewise.
3928 (h8300_adjust_insn_length): Add support for the rotate insns.
3929 * h8300.md (rotlqi3): New.
3930 (*rotlqi3_1): Likewise.
3931 (rotlhi3): Likewise.
3932 (*rotlhi3_1): Likewise.
3933 (rotlhi3): Likewise.
3934 (*rotlhi3_1): Likewise.
3935 * h8300-proto.h: Add prototypes for expand_a_rotate and
3938 * h8300.c: Fix comment typos.
3939 (dosize): Declare the variable amount as unsigned.
3940 (get_shift_alg): Fix a comparison between signed and unsigned.
3941 (emit_a_shift): Likewise.
3942 (h8300_adjust_insn_length): Simplify the code.
3944 * c-decl.c: Fix formatting.
3946 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3948 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
3949 warning about non-traditional numeric constant suffixes.
3951 * cppexp.c (parse_number): Likewise.
3953 * invoke.texi: (-Wtraditional): Document new behavior.
3955 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3957 * gthr-posix.h: Include auto-host.h. Conditionally include
3959 * configure.in: Check for the <sched.h> header file.
3960 * config.in: Added define for HAVE_SCHED_H.
3962 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3964 * c-typeck.c (process_init_element): For -Wtraditional, warn about
3965 initialization of unions.
3967 * invoke.texi (-Wtraditional): Document new behavior.
3969 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
3971 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
3972 instead of extra_c_flags.
3973 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
3974 * configure: Regenerate.
3975 * config.in: Regenerate.
3977 * cpperror.c (cpp_type2name): New function.
3978 * cpplex.c (lex_line): If we issued an error for an invalid
3979 preprocessing directive, discard that logical line.
3980 * cpplib.c (do_line): Call a hook function if the current file
3981 is renamed by #line.
3982 (do_ident): Pass the contents of the string, not the entire
3983 token, to the callback function.
3984 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
3985 (cb.rename_file): New hook function.
3986 (cb.ident): Adjust prototype.
3987 (cpp_type2name): Prototype.
3988 * cppmacro.c (dump_macro_args): Correct precedence lossage.
3990 * cppmain.c (cb_ident): Update for changed interface.
3991 (cb_rename_file): New function.
3992 (main): Set rename callback.
3994 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
3996 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
3997 multi-word registers.
3999 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4001 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4002 or ISO C89 instead of ANSI C.
4003 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4004 build_enumerator, do_case): Likewise.
4005 * c-lex.c (parse_float, yylex): Likewise.
4006 * c-parse.in: Likewise.
4007 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4008 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4009 build_c_cast, convert_for_assignment, set_init_index,
4010 set_init_label, c_expand_start_case): Likewise.
4011 * toplev.c (documented_lang_options, display_help): Likewise.
4013 2000-08-08 Kazu Hirata <kazu@hxi.com>
4015 * h8300.c: Fix formatting.
4016 * h8300.h: Likewise.
4017 * h8300.md: Likewise.
4018 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4020 * reload1.c: Fix formatting.
4022 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4024 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4025 Use GEN_CALL_VALUE define.
4026 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4027 * clipper/clipper.md (untyped_call): Likewise.
4028 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4029 * fx80/fx80.md (untyped_call): Likewise.
4030 * mips/mips.md (untyped_call): Likewise.
4031 * ns32k/ns32k.md (untyped_call): Likewise.
4032 * pa/pa.md (untyped_call): Likewise.
4033 * romp/romp.md (untyped_call): Likewise.
4034 * sparc/sparc.md (untyped_call): Likewise.
4036 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4038 * config/i860/i860.c (singlemove_string): Do not generate assembler
4039 pseudo instructions that must be expanded (that is, with signed
4040 constants larger than 16 bits).
4042 2000-08-08 Richard Henderson <rth@cygnus.com>
4044 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4045 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4046 (init_propagate_block_info): Don't kill memory stores at -O0.
4047 (mark_set_1, mark_used_regs): Likewise.
4049 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4051 * rs6000.c (optimization_options): Decorate 'level' as
4053 (mask64_operand): Remove sign-extend thinko.
4054 (rldic_operand): New function.
4055 (load_multiple_operation): regno's are unsigned ints.
4056 (store_multiple_operation): Likewise.
4057 (lmw_operation): Likewise.
4058 (stmw_operation): Likewise.
4059 (includes_lshift_p): shift_mask is unsigned int.
4060 (includes_lshift64_p): New function.
4061 (addrs_ok_for_quad_peep): unsigned int reg1.
4062 (print_operand): Consistently add "else" after
4063 output_operand_lossage().
4064 (print_operand, case 'b'): Fold in case 'W'.
4065 (print_operand, case 'W'): Print rldic MB value.
4066 (output_epilogue): Update Objective-C language string.
4067 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4068 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4069 * rs6000.md (ashldi3): Add rldic instruction.
4070 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4071 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4074 2000-08-08 Richard Henderson <rth@cygnus.com>
4076 * config/ia64/ia64-protos.h: Remove duplicates. Update
4077 for massive code rearrangements.
4078 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4079 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4080 (ia64_local_regs, ia64_need_regstk): Remove.
4081 (ar_ccv_reg_operand): New.
4082 (ia64_gp_save_reg): New.
4083 (struct ia64_frame_info): Combine most of the size elements;
4084 add new gr save elements.
4085 (find_gr_spill): New.
4086 (next_scratch_gr_reg): New.
4087 (mark_reg_gr_used_mask): New.
4088 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4089 to GR backing store regs when possible.
4090 (ia64_initial_elimination_offset): New.
4091 (ia64_rap_fp_offset): Remove.
4092 (save_restore_insns): Remove.
4093 (setup_spill_pointers): New.
4094 (finish_spill_pointers): New.
4095 (spill_restore_mem): New.
4096 (do_spill, do_restore): New.
4097 (ia64_expand_prologue): Rewrite to use them.
4098 (ia64_expand_epilogue): Likewise.
4099 (ia64_direct_return): Update for current_frame_info changes.
4100 (ia64_function_prologue): Simplify .prologue emission. Emit
4102 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4103 (ia64_dbx_register_number): New.
4104 (ia64_initialize_trampoline): New.
4105 (ia64_secondary_reload_class): Request GR_REGS for integer
4106 arithmetic destined for FR_REGS.
4107 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4108 (ia64_mark_machine_status): Mark ia64_gp_save.
4109 (rws_access_regno): Rename from rws_access_reg; don't treat
4110 predicates specially.
4111 (rws_access_reg): New. Update all callers.
4112 (rtx_needs_barrier): Remove dead unspecs.
4113 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4114 (ia64_encode_section_info): Silence signed/unsigned warnings.
4115 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4116 (tmp_reg, tmp_saved): Remove.
4117 (process_set): Rewrite to expect complicated bits via
4118 REG_FRAME_RELATED_EXPR.
4119 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4120 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4121 (ia64_expand_op_and_fetch): Likewise.
4122 (ia64_expand_compare_and_swap): Likewise.
4123 (ia64_expand_builtin): Likewise.
4124 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4125 (FIRST_PSEUDO_REGISTER): Update.
4126 (AR_M_REGNO_P): Update.
4127 (FIXED_REGS): Don't mark three local registers as used.
4128 (EXTRA_CC_MODES): New.
4129 (SELECT_CC_MODE): New.
4130 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4131 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4132 (FRAME_GROWS_DOWNWARD): Unset.
4133 (STARTING_FRAME_OFFSET): Zero.
4134 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4135 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4136 (HARD_FRAME_POINTER_REGNUM): New.
4137 (CAN_DEBUG_WITHOUT_FP): Define.
4138 (TRAMPOLINE_TEMPLATE): Remove.
4139 (TRAMPOLINE_SIZE): Lower to 32.
4140 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4141 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4142 (PREDICATE_CODES): Update.
4143 (struct machine_function): Add ia64_gp_save.
4144 * config/ia64/ia64.md: Purge unused unspecs.
4145 (movsi patterns): Allow moves to/from AR_M_REGS.
4146 (movdi patterns): Allow moves to/from p0.
4147 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4148 (gr_spill, gr_restore): Indicate ar.unat read/written.
4149 (nonlocal_goto): Don't pass old frame_pointer.
4150 (nonlocal_goto_receiver): Remove.
4151 (exception_receiver): New.
4152 (builtin_setjmp_setup): New.
4153 (builtin_setjmp_receiver): New.
4154 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4155 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4156 (__ia64_restore_stack_nonlocal): Likewise.
4157 (__ia64_trampoline): New.
4158 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
4160 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
4162 2000-08-08 Richard Henderson <rth@cygnus.com>
4164 * frame.h (ia64_frame_state): Add my_psp.
4165 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
4166 (__throw): Pass it in. Don't clobber r7.
4167 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
4168 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
4169 and nothing to do with sp.
4170 (normalize_reg_loc): Use frame->my_psp.
4171 (frame_translate): Handle frame-pointer-less functions. Set
4172 spill_base correctly, in absence of being told.
4173 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
4174 (__ia64_backtrace_helper): New sp argument. Use
4175 builtin_return_address instead of label addresses.
4176 (print_record) [mem_stack_v]: No size member.
4178 2000-08-08 Richard Henderson <rth@cygnus.com>
4180 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
4182 2000-08-08 Richard Henderson <rth@cygnus.com>
4184 * tm.texi (LOCAL_REGNO): Document.
4185 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
4186 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
4187 * reload1.c (reload): Likewise when considering nonlocal labels.
4189 * config/ia64/ia64.h (LOCAL_REGNO): New.
4190 * config/sparc/sparc.h (LOCAL_REGNO): New.
4192 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4194 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
4196 2000-08-07 Nick Clifton <nickc@redhat.com>
4198 * config/mips/mips.c: Fix compile time warning messages.
4199 * config/mips/mips-protos.h: Add prototype for equality_op.
4201 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
4203 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
4205 * mn10300.md: Use nonimmediate_operand instead of general_operand
4208 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
4210 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
4212 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
4213 * sh.c (expand_block_move): Break long lines.
4214 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
4215 * sh.md (mulsi3): Likewise.
4216 (movdi): Adjust spacing.
4218 2000-08-07 Richard Henderson <rth@cygnus.com>
4220 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
4221 * expr.c (emit_group_store): Don't set it.
4223 2000-08-07 Kazu Hirata <kazu@hxi.com>
4225 * invoke.texi (Options for Debugging Your Program or GCC): Remove
4226 duplicate entries for 'w' and 'z'.
4228 * flow.c: Fix a comment typo.
4230 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4232 * c-parse.in: Changed the language string for Objective-C to "GNU
4235 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4237 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
4238 to improve the Posix thread support for Objective-C.
4240 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
4242 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
4243 CTI_UNSIGNED_PTRDIFF_TYPE.
4244 (signed_size_type_node): Define.
4245 (unsigned_ptrdiff_type_node): Define.
4246 * c-decl.c (init_decl_processing): Create the
4247 signed_size_type_node and unsigned_ptrdiff_type_node types.
4248 * c-common.c (T_SC): Define.
4251 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
4252 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
4254 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
4255 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
4256 flags for %c, %s and %[.
4257 (check_format_info): Only allow leniency for signedness of targets
4258 of character pointers (when pedantic) for formats flagged with
4259 "c", so for strings but not for %hh formats. When pedantic, don't
4260 allow character pointers to substitute for void pointers if a
4261 second level of indirection is present.
4263 2000-08-06 Kazu Hirata <kazu@hxi.com>
4265 * invoke.texi (Options for Debugging Your Program or GCC): Update
4266 the names of dump files.
4268 * h8300.c (dosize): Rearrange code for conciseness.
4269 (split_adds_subs): Likewise.
4271 * loop.c: Fix formatting.
4273 * dwarf2out.c: Fix formatting.
4275 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
4277 * expr.c: Fix formatting.
4279 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4281 * rs6000.c (rs6000_maybe_dead): Prototype.
4283 2000-08-06 Richard Henderson <rth@cygnus.com>
4285 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
4286 HAVE_nonlocal_goto as well.
4287 * config/i960/i960.md (nonlocal_goto): Don't do it here.
4288 * config/pj/pj.md (nonlocal_goto): Likewise.
4290 2000-08-07 Michael Hayes <mhayes@cygnus.com>
4292 * loop.c (try_swap_copy_prop): New function.
4293 (load_mems): Rename copies to load_copies and add new regset
4294 store_copies. Check for sets of shadow registers and mark
4295 in store_copies. Call try_swap_copy_prop for registers
4296 marked in store_copies.
4298 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4300 * objc/objc-act.c: New command line option -fconstant-string-class
4301 to allow specifying a user defined constant string class,
4302 different from NXConstantString.
4304 * toplev.c: Moved the Objective-C specific options to
4305 objc/lang-options.h.
4307 * objc/lang-options.h: Moved the Objective-C specific options from
4308 toplev.c. Added -fconstant-string-class.
4310 2000-08-05 Chris Demetriou <cgd@sibyte.com>
4312 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4313 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
4314 __CTOR_LIST__ from func_ptr array to just func_ptr, to
4315 avoid extra alignment imposed on arrays.
4316 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4317 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
4319 * mips.h: Clean up comments and spacing near MASKs.
4320 (TARGET_UNIX_ASM): Delete.
4321 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
4322 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
4325 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
4327 * c-common.c (print_char_table): Add entries for the X/Open '
4328 format flag (print decimals with locale's thousands grouping
4329 character). Make %C expect wint_t.
4330 (check_format_info): If pedantic, warn when the %n$ operand
4331 number form is used. Allow for the ' flag; warn about it if
4334 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
4336 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
4337 type is a float mode, cfun->decl's return type is not, and
4338 TARGET_FLOAT_RETURNS_IN_80387.
4340 2000-08-04 Andreas Schwab <schwab@suse.de>
4342 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
4343 token list, which are always `#' and `pragma'.
4345 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
4347 * tree.c (tree_expr_nonnegative_p): Move to...
4348 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
4349 (rtl_expr_nonnegative_p): New.
4350 * tree.h: Add prototype for rtl_expr_nonnegative_p.
4352 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
4353 CONST_DOUBLE_CHAIN: Move to...
4354 * rtl.h: ...here. Use XCINT/XCEXP.
4356 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
4357 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
4358 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
4361 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
4363 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4365 * config/c4x/c4x.md (return_indirect_internal): New.
4366 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
4368 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4370 * c-common.c (time_char_table): Mark up formats added in C99 and
4371 make other corrections. %D and %g were added in C99. %Og is an
4372 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
4373 C99. %e was added in C99. %Oj is an extension. %G and %z are in
4374 C99 rather than GNU extensions, but %OG and %Oz are extensions.
4375 %h was added in C99. %C was added in C99. %OY and %OC are
4376 extensions. Add the C99 format %F.
4377 (check_format_info): If pedantic and not in C99 mode, warn for C99
4380 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4382 * function.c (schedule_fixup_var_refs): New function, broken out
4383 of put_reg_into_stack.
4384 (put_reg_into_stack): Use it.
4385 (put_var_into_stack): In CONCAT case, fixup up references for
4386 components only after fixing up references to the whole concat.
4388 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
4390 * alias.c (mark_constant_function): Use INSN_P.
4391 (init_alias_analysis): Likewise.
4392 * combine.c (combine_instructions): Use INSN_P.
4393 (can_combine_p): Likewise.
4394 (try_combine): Likewise.
4395 (distribute_notes): Likewise.
4396 (distribute_links): Likewise.
4397 * cse.c (cse_around_loop): Use INSN_P.
4398 (invalidate_skipped_block): Likewise.
4399 (cse_set_around_loop): Likewise.
4400 (cse_end_of_basic_block): Likewise.
4401 (delete_trivially_dead_insns): Likewise.
4402 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
4403 (unshare_all_rtl_1): Likewise.
4404 (next_cc0_user): Likewise.
4405 (try_split make_insn_raw): Likewise.
4406 (remove_unnecessary_notes): Likewise.
4407 * final.c (shorten_branches): Use INSN_P.
4408 (leaf_renumber_regs): Likewise.
4409 (leaf_renumber_regs_insn): Likewise.
4410 * flow.c (find_label_refs): Use INSN_P.
4411 (verify_wide_reg): Likewise.
4412 (notice_stack_pointer_modification): Likewise.
4413 (count_or_remove_death_notes): Likewise.
4414 (verify_flow_info): Likewise.
4415 (clear_log_links): Likewise.
4416 * function.c (fixup_var_refs_insns): Use INSN_P.
4417 (compute_insns_for_mem): Likewise.
4418 * gcse.c (alloc_gcse_mem): Use INSN_P.
4419 (compute_sets): Likewise.
4420 (compute_hash_table): Likewise.
4421 (classic_gcse): Likewise.
4423 (insert_insn_end_bb): Likewise.
4424 (delete_null_pointer_checks_1): Likewise.
4425 * global.c (expand_preferences): Use INSN_P.
4426 (build_insn_chain): Likewise.
4427 * graph.c (node_data): Use INSN_P.
4428 * haifa-sched.c (priority): Use INSN_P.
4429 (rm_line_notes): Likewise.
4430 (rm_other_notes): Likewise.
4431 (find_insn_reg_weight): Likewise.
4432 (init_target_units): Likewise.
4433 (schedule_block): Likewise.
4434 (compute_block_forward_dependences): Likewise.
4435 (debug_dependencies): Likewise.
4436 (set_priorities): Likewise.
4437 * integrate.c (function_cannot_inline_p): Use INSN_P.
4438 (save_parm_insns): Likewise.
4439 (copy_insn_list): Likewise.
4440 * jump.c (mark_all_labels): Use INSN_P.
4441 (never_reached_warning): Likewise.
4442 * lcm.c (optimize_mode_switching): Use INSN_P.
4443 * local-alloc.c (validate_equiv_mem): Use INSN_P.
4444 (memref_used_between_p): Likewise.
4445 (update_equiv_regs): Likewise.
4446 (block_alloc): Likewise.
4447 (no_conflict_p): Likewise.
4448 * loop.c (scan_loop): Use INSN_P.
4449 (find_and_verify_loops): Likewise.
4450 (count_loop_regs_set): Likewise.
4451 (loop_reg_used_before_p): Likewise.
4452 (strength_reduce): Likewise.
4453 (recombine_givs): Likewise.
4454 (check_dbra_loop): Likewise.
4455 (load_mems): Likewise.
4456 (try_copy_prop): Likewise.
4457 * print-rtl.c (print_rtx): Use INSN_P.
4458 * recog.c (find_single_use): Use INSN_P.
4459 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
4460 (next_flags_user): Likewise.
4461 (swap_rtx_condition): Likewise.
4462 * regmove.c (mark_flags_life_zones): Use INSN_P.
4463 (optimize_reg_copy_1): Likewise.
4464 (optimize_reg_copy_2): Likewise.
4465 (optimize_reg_copy_3): Likewise.
4466 (reg_is_remote_constant_p): Likewise.
4467 (fixup_match_2): Likewise.
4468 (regmove_optimize): Likewise.
4469 (fixup_match_1): Likewise.
4470 * regrename.c (build_def_use): Use INSN_P.
4471 (replace_reg_in_block): Likewise.
4472 (consider_use): Likewise.
4473 * reload.c (find_equiv_reg): Use INSN_P.
4474 * reload1.c (reload): Use INSN_P.
4475 (maybe_fix_stack_asms): Likewise.
4476 (calculate_needs_all_insns): Likewise.
4477 (reload_as_needed): Likewise.
4478 (emit_output_reload_insns): Likewise.
4479 (delete_address_reloads_1): Likewise.
4480 (reload_cse_regs_1): Likewise.
4481 (reload_combine): Likewise.
4482 (reload_cse_move2add): Likewise.
4483 * reorg.c (redundant_insn): Use INSN_P.
4484 (dbr_schedule): Likewise.
4485 * resource.c (find_dead_or_set_registers): Use INSN_P.
4486 (mark_target_live_regs): Likewise.
4487 * rtlanal.c (reg_used_between_p): Use INSN_P.
4488 (reg_referenced_between_p): Likewise.
4489 (reg_set_between_p): Likewise.
4490 (reg_set_p): Likewise.
4491 (single_set): Likewise.
4492 (multiple_sets): Likewise.
4493 (find_last_value): Likewise.
4494 (reg_set_last): Likewise.
4495 (find_reg_note): Likewise.
4496 (find_regno_note): Likewise.
4497 * sibcall.c (sequence_uses_addressof): Use INSN_P.
4498 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
4499 * ssa.c (find_evaluations): Use INSN_P.
4500 (rename_block): Likewise.
4501 (rename_equivalent_regs): Likewise.
4502 * unroll.c (loop_find_equiv_value): Use INSN_P.
4503 (set_dominates_use): Likewise.
4504 * varasm.c (mark_constant_pool): Use INSN_P.
4505 (mark_constants): Likewise.
4506 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
4507 (alphaev4_next_group): Likewise.
4508 (alphaev5_next_group): Likewise.
4509 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
4510 (c4x_rptb_rpts_p): Likewise.
4511 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
4512 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
4513 (rs6000_adjust_priority): Likewise.
4514 * config/sh/sh.c (sh_loop_align): Use INSN_P.
4515 (machine_dependent_reorg): Likewise.
4516 (split_branches): Likewise.
4517 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
4519 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
4521 * combine.c (recog_for_combine): Remove the old notes
4522 prior to attempting to recognize the new pattern.
4523 (distribute_notes): Ignore REG_NONNEG notes.
4525 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
4527 * varasm.c (output_constructor): Add .align 0 for packed vars.
4529 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4531 * configure.in: Use default thread_file even when enable_threads is
4532 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
4533 * configure: Rebuilt.
4535 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
4537 2000-08-04 Donn Terry (donnte@microsoft.com)
4539 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
4541 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
4543 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
4544 Delete code that conditionally modifies 'version'.
4545 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
4546 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
4547 * gcc.c (main): Use it.
4548 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
4549 * prefix.c (update_path): Use it.
4550 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
4551 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
4552 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
4554 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
4555 (SUBTARGET_SWITCHES): Adjust.
4556 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
4558 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
4560 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4562 * c-common.h (flag_isoc94): Declare.
4563 * c-decl.c (flag_isoc94): Define.
4564 (c_decode_option): Set flag_isoc94 as appropriate.
4565 * c-common.c (T_PD, T_IM, T_UIM): Define.
4566 (format_char_info): Add tlen and jlen.
4567 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
4569 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
4571 (time_char_table): Add NULL entries for %t and %j.
4572 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
4573 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
4574 Warn for printf %lf if pedantic and not C99. Don't warn for empty
4575 precision. Allow precision argument to be unsigned int. If
4576 pedantic, warn for %p passed an argument not a pointer to possibly
4577 qualified void or a possibly qualified character type, and for
4578 pointer targets of the wrong sign, except for character pointers.
4580 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4582 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
4583 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
4584 (wint_type_node): Define.
4585 * c-decl.c (WINT_TYPE): Define.
4586 (init_decl_processing): Create the wint_type_node type.
4587 * c-common.c (T_WI): Define.
4588 (print_char_table): Use T_WI for %lc format.
4590 2000-08-04 Bruce Korb <bkorb@gnu.org>
4592 * fixinc/: Verified that the MSDOS patch does not break
4593 the UNIX functionality and applied the next three patches
4596 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
4598 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
4599 output file with the temporary one by appending ".X" to generate
4600 the temporary fuile's name. If the output file already has an
4601 extension, replace it with ".X".
4603 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
4604 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
4605 reallocate the command buffer while copying the command-line
4606 argument. Redirect the output directly to the temporary file,
4607 instead of going through another temporary file.
4608 (process): Close the temporary file before unlinking it.
4609 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
4610 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
4611 (run_compiles): Pass p_fixd argument to machine_matches, as it
4614 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
4615 environment, assume there are no symlinks in the include
4616 directory. When cleaning up the DONE files, look for them
4617 case-insensitively. Don't try to remove symlinks if they aren't
4620 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
4621 all callers changed. Declare pz "const char *", to avoid compiler
4624 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
4625 Change prototype of make_raw_shell_str.
4627 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
4629 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
4630 (initialize) [__MSDOS__]: Use tempnam.
4631 (initialize): Don't use SIGPIPE if it is not defined.
4633 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
4636 2000-07-25 Bruce Korb <bkorb@gnu.org>
4638 * fixinc/fix*.[ch]: substantially reworked to make it possible
4639 to run this program without using fork(2) or pipe(2) (i.e. in
4642 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4644 * cppdefault.h (WINT_TYPE): Define.
4645 * cppinit.c (builtin_array): Define __WINT_TYPE__.
4646 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
4647 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
4649 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
4651 * (mips_legitimate_address_p): Don't allow register+offset
4652 if the offset is large and negative, and we are compiling
4653 for 64 bit registers.
4655 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4657 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
4658 insn_code_number + 1.
4660 2000-08-04 Kazu Hirata <kazu@hxi.com>
4662 * h8300.c (function_prologue): Rearrange code for conciseness.
4663 (function_epilogue): Likewise.
4664 * h8300.h (OK_FOR_U): Fix formatting.
4666 * cse.c: Fix a comment typo. Fix formatting.
4668 2000-08-03 Richard Henderson <rth@cygnus.com>
4670 * config/i386/i386.md (return_indirect_internal): New.
4671 * config/i386/i386.c (ix86_expand_epilogue): Use it.
4673 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
4675 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
4677 (lex_line): Glue @ onto the beginning of identifiers and
4678 string constants, in Objective-C mode.
4679 (output_token, spell_token): Handle CPP_OSTRING.
4680 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
4681 beginning of a NAME or a STRING, in objc mode.
4683 * cpplib.c (get_define_node): Do not permit identifiers that
4684 begin with @ to be #defined.
4685 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
4686 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
4688 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
4689 * c-tree.h (build_objc_string): Delete prototype.
4690 * objc/objc-tree.def: Delete OBJC_STRING_CST.
4691 * c-lex.c (yylex): Use build_string for all three kinds of strings.
4693 * c-parse.in, objc/objc-act.c: Update commentary.
4695 2000-08-03 Mark Mitchell <mark@codesourcery.com>
4697 * extend.texi: Fix typo in last change.
4699 * extend.texi: Add commentary on statement-expressions and their
4700 interactions with C++.
4702 2000-08-03 Nick Clifton <nickc@cygnus.com>
4704 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
4705 * dwarf.h (LANG_JAVA): Change value to 0x000b.
4707 2000-08-03 Anthony Green <green@cygnus.com>
4709 * dwarf2out.c (gen_compile_unit_die): Add java language support.
4710 (add_bound_info): Check for java language.
4711 (is_java): New function.
4712 * dwarfout.c (output_compile_unit_die): Ditto.
4713 * dwarf.h (dwarf_source_language): Add java source language type.
4714 * dwarf2.h (dwarf_source_language): Ditto.
4716 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4718 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
4721 * i386.c (ix86_expand_branch): Mode of comparison in
4722 IF_THEN_ELSE is VOIDmode.
4724 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
4726 * gengenrtl.c, rtl.c: Avoid #elif.
4728 2000-08-03 Michael Poole <poole@troilus.org>
4730 * tm.texi (Register Classes): Clarify order of sub-initializers
4731 in REG_CLASS_CONTENTS.
4733 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4735 From SAITOH Masanobu:
4736 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
4738 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
4740 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
4741 is not supported by tradcpp and isn't actually needed for cygwin.
4743 2000-08-03 Kazu Hirata <kazu@hxi.com>
4745 * h8300.c: Fix a comment typo.
4746 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
4748 * jump.c: Fix formatting.
4750 * toplev.c: Fix formatting.
4752 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
4754 * flow.c (find_auto_inc): Verify that we've got a REG before
4755 peeking at its regno. Fail, don't abort if we can't find
4756 the increment of the desired register.
4758 * pa.md (shadd height reduction patterns/splitters): Remove.
4760 2000-08-02 Jim Wilson <wilson@cygnus.com>
4762 * config/ia64/ia64-protos.h (flag_ssa): Declare.
4763 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
4765 2000-08-02 Mark Mitchell <mark@codesourcery.com>
4767 * dce.c: Remove all uses of assert.
4768 * dwarf2out.c: Likewise.
4769 * dwarfout.c: Likewise.
4772 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4774 * gcc.h (lang_specific_driver): Constify second argument.
4775 * gcc.c (translate_options, process_command, main): Likewise.
4776 Constify variables to match. Cast second argument to
4779 * cppspec.c, gccspec.c: Adjust type of second argument to
4780 lang_specific_driver, and update code as necessary.
4782 2000-08-02 Jakub Jelinek <jakub@redhat.com>
4784 * loop.c (scan_loop): Ensure update_end label does not
4785 go away until reg_scan_update is run.
4787 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4789 * c-common.h: Prototype min_precision and c_build_qualified_type here...
4790 * c-tree.h: ... not here.
4791 * errors.h: Prototype fancy_abort.
4793 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
4794 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
4795 * regrename.c (regrename_optimize): Make control flow explicit.
4796 (replace_reg_in_block): Initialize reg_use to 0.
4798 * i386.c (legitimate_address_p): Rename error label to
4799 report_error to avoid namespace clash.
4801 2000-08-02 Kazu Hirata <kazu@hxi.com>
4803 * fold-const.c: Fix formatting.
4805 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
4807 * i386.c (legitimate_address_p): Accept other bases than
4808 pic_offset_table_rtx for GOTOFF constructs.
4810 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4812 * i386.md (shift to lea splitter): Use const_int_operand.
4814 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4816 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
4817 cppspec.c: Do not use 'legal' or 'illegal' in error messages
4820 * cppmain.c (cb_define, cb_undef): Don't generate any output
4821 if not done_initializing.
4822 * cpplex.c (maybe_paste_with_next): When the token after a ##
4823 is an omitted rest argument, only delete the token before it
4824 if that token is a comma. Do not warn about bogus token
4825 pastes for , ## rest_arg.
4828 * cpp.1: Regenerate.
4830 2000-08-02 Fred Fish <fnf@be.com>
4832 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
4833 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
4836 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
4837 Be directories to search path.
4839 Remove support for __declspec(dllimport) and __declspec(dllexport).
4840 This is leftover cruft from the earlier BeOS gcc port when BeOS
4841 used Microsoft's PE object file format.
4842 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
4843 * config/i386/t-beos (winnt.o): Remove Makefile frag.
4844 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
4845 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
4846 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4847 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
4848 (REDO_SECTION_INFO_P): Remove.
4849 (ASM_EXPORT_DECL): Remove.
4850 (ASM_DECLARE_FUNCTION_NAME): Remove.
4851 (ASM_DECLARE_OBJECT_NAME): Remove.
4852 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
4853 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
4854 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
4855 (STRIP_NAME_ENCODING): Remove.
4857 Remove support for obsolete version of BeOS that is no longer
4859 * configure.in (i*86-*-beospe*): Remove.
4860 * config/i386/beos-pe.h: Remove.
4862 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
4863 Mark Mitchell <mark@codesourcery.com>
4865 * Makefile.in (OBJS): Added dce.o.
4866 (ssa.o): Updated target to include ssa.h.
4868 (toplev.o): Likewise.
4869 (dce.o): Created target.
4870 * basic-block.h: Added comments.
4871 (INVALID_BLOCK): Added definition.
4872 (connect_infinite_loops_to_exit): Added declaration.
4873 Moved SSA declarations to ssa.h.
4874 * flow.c: Added inclusion of ssa.h.
4875 (struct depth_first_search_dsS, depth_first_search_ds):
4877 (compute_immediate_postdominators): Added definition.
4878 (connect_infinite_loops_to_exit): Likewise.
4879 (flow_dfs_compute_reverse_init): Likewise.
4880 (flow_dfs_compute_reverse_add_bb): Likewise.
4881 (flow_dfs_compute_reverse_execute): Likewise.
4882 (flow_dfs_compute_reverse_finish): Likewise.
4883 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
4884 (LABEL_P): Added definition.
4887 (BARRIER_P): Likewise.
4888 (JUMP_TABLE_DATA_P): Likewise.
4889 (INSN_DEAD_CODE_P): Likewise.
4890 * ssa.c: Replaced inclusions with ssa.h inclusion.
4891 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
4892 (rename_registers): Removed unnecessary variables.
4893 * ssa.h: Created by moving declarations from ssa.c and
4895 * timevar.def: Defined TV_DEAD_CODE_ELIM.
4896 * toplev.c: Added ssa.h inclusion.
4897 (dump_file_index): Added DFI_dce.
4898 (dump_file): Added "dce" entry.
4900 (f_options): Added dce entry.
4901 * invoke.texi: Document -fdce. Emphasize experimental status of
4905 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
4907 * cpperror.c (v_message): Split into _cpp_begin_message and
4908 v_message macro. All callers updated.
4909 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
4912 * cppfiles.c (cpp_syshdr_flags): New function.
4913 (read_include_file): Don't call cpp_output_tokens. Call
4915 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
4916 (cpp_reader_init): Don't initialize token_buffer. Call
4917 _cpp_init_internal_pragmas.
4918 (cpp_cleanup): Don't clear token_buffer.
4919 (cpp_start_read): Don't worry about output from -D processing.
4920 Don't call cpp_output_tokens.
4921 (cpp_finish): Don't dump macros here. Don't call
4923 * cppmacro.c (_cpp_dump_definition): Rename
4924 cpp_dump_definition. Write directly to a FILE *.
4925 (dump_funlike_macro): Delete.
4926 (dump_macro_args): New.
4928 * cpplex.c (TOKEN_LEN): Convert to inline function.
4929 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
4930 cpp_scan_line, _cpp_dump_list): Delete.
4931 (cpp_printf, cpp_output_list): New.
4932 (output_line_command): Don't worry about entering or leaving files.
4933 (cpp_scan_buffer): Just output each token as we hit it.
4934 (process_directive): Don't call cpp_output_tokens.
4935 (_cpp_glue_header_name): Don't use token_buffer.
4936 (output_token, dump_param_spelling): Write directly to a FILE *.
4938 * cpplib.c (pass_thru_directive, dump_macro_name,
4939 pragma_dispatch, do_pragma_gcc): Delete.
4940 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
4941 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
4943 (do_error, do_warning, pragma_dependency): Call
4944 _cpp_begin_message, then cpp_output_list.
4945 (cpp_register_pragma, cpp_register_pragma_space,
4946 _cpp_init_internal_pragmas): New.
4947 (do_pragma): Walk the pragmas table here.
4948 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
4949 do_pragma_dependency): Return void.
4950 (do_pragma_implementation): Moved to cppmain.c.
4952 * cpplib.h: Update prototypes.
4953 (struct cpp_reader): Remove printer, token_buffer,
4954 token_buffer_size, and limit. Add struct cb, and pragmas.
4955 (struct cpp_printer): Remove last_id and written.
4956 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
4957 CPP_ADJUST_WRITTEN): Delete.
4958 * cpphash.h: Update prototypes.
4959 (ufputs): New wrapper.
4961 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
4962 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
4963 (main): Set up callbacks. Register #pragma implementation.
4964 Dump macros from here.
4966 2000-08-01 Geoff Keating <geoffk@cygnus.com>
4968 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
4969 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
4970 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
4971 insns if they have a REG_MAYBE_DEAD note attached.
4972 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
4973 (rs6000_emit_load_toc_table): TOC loads may go dead.
4975 2000-08-01 Jim Wilson <wilson@cygnus.com>
4977 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
4978 type exists before using it. Use number of words as alignment
4980 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
4981 ia64_va_arg): Propagate ia64_function_args changes here.
4983 2000-08-01 Richard Henderson <rth@cygnus.com>
4985 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
4986 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
4988 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
4990 From Joern Rennecke:
4991 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
4992 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
4993 unless TARGET_SH3E is set.
4994 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
4996 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
4997 (ashlsi3_std): New pattern.
4998 (ashlsi3 expander): Use it for TARGET_SH3.
4999 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5001 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5003 * loop.c (canonicalize_condition): Use destination, not source to
5004 determine SET's mode.
5006 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5008 * flow.c (clear_log_links): Fix typo.
5010 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5012 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5013 on targets which need more than one insn for a compare/cbranch
5016 2000-07-31 Jim Wilson <wilson@cygnus.com>
5018 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5019 when computing offset.
5021 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5023 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5025 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5027 * flow.c (clear_log_links): Nuke global_live_at_start and
5028 global_live_at_end data, since if the log_links stuff is invalid
5029 so is global_live_at_*.
5031 2000-07-31 Richard Henderson <rth@cygnus.com>
5033 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5035 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5037 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5038 (_cpp_get_token): Don't macro expand a just pasted token if it
5039 was pasted at no_expand_level.
5041 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5043 * cppmacro.c (find_param, count_params, save_expansion):
5044 Permit 'defined' as a macro parameter name.
5046 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5048 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5049 xcpp to cpp throughout.
5050 (native): Remove unnecessary dependency on cpp.
5052 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5053 tradcpp to tradcpp0.
5054 (.i spec): Add missing output-file spec to cc1 command line.
5055 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5057 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5059 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5060 (implicit_decl_warning): New function.
5061 (implicitly_declare): Use it.
5062 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5063 to complain about implicit decls of builtins.
5065 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5066 based on pedantic && flag_isoc99, if not already set.
5067 * c-tree.h: Declare mesg_implicit_function_declaration.
5068 Prototype implicit_decl_warning.
5070 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5072 * Makefile.in (ssa.o): Updated header files in dependences.
5073 * basic-block.h: Added compute_immediate_postdominators declaration.
5074 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5076 * flow.c (compute_immediate_dominators): Updated comment.
5077 (compute_immediate_postdominators): Added definition.
5078 * rtl.h (HARD_REGISTER_P): Added definition.
5079 * ssa.c: Include additional header files.
5080 (assert): Added definition.
5081 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5082 include select hard registers.
5083 (ssa_rename_to_insert): Likewise.
5084 (ssa_rename_from_initialize): Likewise.
5085 (ssa_rename_from_lookup): Likewise.
5086 (original_register): Likewise.
5087 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5088 include select hard reigsters.
5089 (ssa_rename_from_traverse): Likewise.
5090 (ssa_rename_from_free): Likewise.
5091 (ssa_rename_from_print): Likewise.
5092 (ssa_rename_from_print_1): Likewise.
5093 (ssa_rename_from_hash_function): Likewise.
5094 (ssa_rename_from_equal): Likewise.
5095 (ssa_rename_from_delete): Likewise.
5096 (simplify_to_immediate_dominators): Removed in favor of
5097 flow.c:compute_immediate_dominators.
5098 (find_evaluations_1): Modified to work with hard registers.
5099 (insert_phi_node): Likewise.
5100 (insert_phi_nodes): Likewise.
5101 (struct rename_set_data): Updated prev_reg comment.
5102 (create_delayed_rename): Modified to work with hard registers.
5103 (RENAME_NO_RTX): Updated comment.
5104 (apply_delayed_renames): Modified to work with hard registers.
5105 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5106 (rename_block): Updated to use revised ssa_rename_to interface.
5107 (rename_registers): Updated to use revised ssa_rename_to and
5108 ssa_rename_from interface.
5109 (convert_to_ssa): Revised to use compute_immediate_dominators and
5110 deal with hard registers.
5111 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5112 registers. Added check for illegal unification of hard register.
5113 (make_equivalent_phi_alternatives_equivalent): Modified to work
5114 with hard registers.
5115 (compute_conservative_reg_partition): Likewise.
5116 (coalesce_if_unconflicting): Modified to work with hard registers
5117 and check for conflicting hard registers.
5118 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5120 (rename_equivalent_regs_in_insn): Modified to work with hard
5122 (record_canonical_element_1): Added definition.
5123 (check_hard_regs_in_partition): Added definition.
5124 (convert_from_ssa): Added data structure deallocation and check
5125 for illegal hard register unification.
5126 (conflict_hard_regs_p): Added definition.
5127 * toplev.c (rest_of_compilation): Added comment.
5129 2000-07-31 Anthony Green <green@redhat.com>
5131 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5133 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5135 * builtins.c (expand_builtin_apply): Don't defer pop during
5138 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5140 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5141 preferred_unit_stack_boundary when it is > 1.
5143 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5145 * c-common.c (init_function_format_info): Add C99 format functions
5148 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5149 void' or 'register void' as being the special case of 'void' alone
5150 in a parameter list.
5152 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5153 discarding qualifiers into a plain warning.
5155 2000-07-31 Kazu Hirata <kazu@hxi.com>
5157 * combine.c: Fix formatting.
5159 * h8300.md: Fix formatting.
5161 * local-alloc.c: Fix formatting.
5163 * h8300.c (get_shift_alg): Remove the variable alg.
5164 (emit_a_shift): Rearrange code to improve readability.
5166 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
5168 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
5169 HImode on all architectures and a combination of HImode and SImode
5170 on H8/300H and H8/S.
5172 * h8300.c (split_adds_subs): Rearrange code for conciseness.
5174 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5176 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
5179 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5181 * recog.c (extract_insn): Set operand_mode according to
5182 operand if match_operand is VOIDmode.
5184 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5186 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
5188 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5190 * c-parse.in (extdefs): Call ggc_collect between external
5193 2000-07-30 Michael Hayes <mhayes@cygnus.com>
5194 Richard Henderson <rth@cygnus.com>
5196 * Makefile.in (OBJS): Add doloop.o.
5197 * doloop.c: New file.
5199 * final.c (insn_current_reference_address): Return 0 before final.
5200 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
5201 * jump.c (any_uncondjump_p): Likewise.
5202 * loop.c (indirect_jump_in_function): Make static.
5203 (strength_reduce): Call doloop_optimize.
5204 (insert_bct, instrument_loop_bct): Remove.
5205 * loop.h (doloop_optimize): Prototype.
5206 * recog.c (split_all_insns): Split all INSN_P.
5207 * toplev.c (flag_branch_on_count_reg): Default on.
5209 * config/c4x/c4x.c (c4x_optimization_options): Don't set
5210 flag_branch_on_count_reg.
5211 * config/i386/i386.c (override_options): Likewise.
5212 * config/rs6000/rs6000.c (optimization_options): Likewise.
5214 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
5216 (dbra_ge): Remove, as well as all it's splitters.
5218 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
5221 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
5222 (ia64_register_move_cost): Declare.
5223 * config/ia64/ia64.c (ar_lc_reg_operand): New.
5224 (struct ia64_frame_info): Add ar_size.
5225 (ia64_compute_frame_size): Set it.
5226 (save_restore_insns): Save and restore ar.lc.
5227 (ia64_register_move_cost): New, moved from header file. Handle
5228 application registers.
5229 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
5230 (emit_insn_group_barriers): Special case doloop_end_internal.
5231 (ia64_epilogue_uses): Mark ar.lc live at end.
5232 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
5233 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
5234 (FIRST_PSEUDO_REGISTER): Make room.
5235 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
5236 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
5237 (REG_ALLOC_ORDER): Update.
5238 (HARD_REGNO_MODE_OK): Update.
5239 (REGISTER_NAMES): Update.
5240 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
5241 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
5242 (REGNO_REG_CLASS): Update.
5243 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
5244 (REGISTER_MOVE_COST): Move out of line.
5245 (PREDICATE_CODES): Update.
5246 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
5247 (addsi3_plus1_alt, adddi3_plus1_alt): New.
5248 (shladd_elim splitter): Allow constants in the predicate.
5249 (doloop_end, doloop_end_internal): New.
5251 2000-07-30 Richard Henderson <rth@cygnus.com>
5253 * genattrtab.c (struct insn_def): Add lineno member.
5254 (struct insn_ent): Likewise.
5255 (struct attr_desc): Likewise.
5256 (struct delay_desc): Likewise.
5257 (struct function_unit_op): Likewise.
5258 (struct function_unit): Likewise.
5259 (check_attr_value): Use message_with_line.
5260 (check_defs): Likewise.
5261 (expand_units): Likewise.
5262 (check_attr_test): Take a lineno argument.
5263 (gen_attr): Likewise.
5264 (gen_insn): Likewise.
5265 (gen_delay): Likewise.
5266 (gen_unit): Likewise.
5267 (main): Give it to them.
5268 (convert_set_attr_alternative): Take an insn_def argument
5269 instead of num_alt and insn_index.
5270 (convert_set_attr): Likewise.
5271 (write_test_expr): Protect INSN_ADDRESSES load
5272 with INSN_ADDRESSES_SET_P.
5274 2000-07-30 Richard Henderson <rth@cygnus.com>
5276 * flow.c (init_propagate_block_info): Use pc_set.
5278 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5280 * i386.md (*lea_general_[123]) New insns and splits.
5281 (addsi3 to lea splitter): Handle other modes too.
5282 (shlsi3 to lea splitter): Likewise.
5283 (addhi_1_lea, shlhi_1_lea): New patterns.
5284 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
5286 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5288 * recog.c (general_operand, nonimmediate_operand): Accept
5289 any mode for VOIDmode CONSTANT_P operands.
5291 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5293 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
5294 instead of replace_rtx.
5295 * recog.c (validate_replace_rtx_subexp): New function.
5296 * recog.h (validate_replace_rtx_subexp): Declare.
5298 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5300 * combine.c (simplify_set, make_extraction, make_compound_operation
5301 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
5302 as force_to_mode argument.
5304 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5306 * combine.c (if_then_else_cond): Be sure that mode fits in
5309 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5311 * combine.c (record_promoted_value): Allow bitsize of mode
5312 to be equivalent to HOST_BITS_PER_WISE_INT.
5314 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5316 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
5317 Do not call gen_mode_alignment when mode is BLKmode.
5319 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
5321 * loop.c (express_from_1): Fix call of simplify_gen_binary.
5323 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5325 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
5326 VOIDmode implies both operands to be VOIDmode.
5327 (simplify_ternary_operation): Compute properly the mode of comparison.
5328 * combine.c (combine_simplify_rtx): Likewise.
5330 2000-07-25 Michael Hayes <mph@paradise.net.nz>
5332 * basic-block.h (struct loops): New field rc_order.
5333 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
5334 (flow_loops_free): Free rc_order.
5335 (flow_depth_first_order_compute): New parameter rc_order.
5336 (flow_loops_find): Allocate rc_order and swap usage with
5339 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5340 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5342 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
5343 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
5344 (nodb_call, return_from_epilogue): Likewise.
5345 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
5346 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
5347 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
5348 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5349 (c4x_valid_type_attribute_p): Likewise.
5350 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
5351 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
5353 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5355 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
5356 and loadhi_big_constant if applicable.
5357 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
5358 and add new splitter.s
5360 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5362 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
5364 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5366 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
5368 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5370 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
5372 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5374 * config/c4x/libgcc.S (divqf3): Improve accuracy.
5376 2000-07-27 Mark Mitchell <mark@codesourcery.com>
5378 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
5379 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
5380 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
5381 (get_prev_bb_note): Likewise.
5382 (remove_scope_notes): Likewise.
5383 * flow.c (commit_one_edge_insertion): Likewise.
5384 (merge_blocks_nomove): Likewise.
5385 (verify_flow_info): Likewise.
5386 * gcse.c (insert_insn_end_bb): Likewise.
5387 * reg-stack.c (emit_swap_insn): Likewise.
5388 * ssa.c (first_insn_after_basic_block_note): New function.
5389 (insert_phi_node): Use it.
5390 (rename_block): Likewise.
5391 (eliminate_phi): Likewise.
5392 (make_regs_equivalent_over_bad_edges): Likewise.
5393 (make_equivalent_phi_alternatives_equivalent): Likewise.
5394 (for_each_successor_phi): Likewise.
5395 (convert_from_ssa): Modify phi-node deletion algorithm.
5397 2000-07-29 Andreas Jaeger <aj@suse.de>
5399 * configure.in (mips*-*-linux*): Use mips*el to check for little
5400 endian MIPS, add tmake_file.
5402 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
5403 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
5404 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
5406 2000-07-28 Richard Henderson <rth@cygnus.com>
5408 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
5409 Sign extend mode size before negating.
5411 2000-07-28 Richard Henderson <rth@cygnus.com>
5413 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
5415 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
5417 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
5418 (cse_insn): Likewise.
5419 (addr_affects_sp_p): Likewise.
5420 * expr.c (move_by_pieces): Likewise.
5421 (clear_by_pieces): Likewise.
5422 * gcse.c (oprs_unchanged_p): Likewise.
5423 * haifa-sched.c (sched_analyze_2): Likewise.
5424 * recog.c (offsettable_address_p): Likewise.
5425 * regclass.c (record_address_regs): Likewise.
5426 * reload.c (find_reusable_reload): Likewise.
5427 (push_reload): Likewise.
5428 (operands_match_p): Likewise.
5429 (decompose): Likewise.
5430 (find_reloads_address_1): Likewise.
5431 (find_inc_amount): Likewise.
5432 * reload1.c (elimination_effects): Likewise.
5433 * resource.c (mark_set_resources): Likewise.
5434 * flow.c (attempt_auto_inc): New function; mostly broken out
5436 (find_auto_inc): Split into two functions and enhanced to
5437 generate POST_MODIFY.
5438 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
5439 * rtl.h (count_all_occurrences): Declare.
5440 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
5442 * rtlanal.c (count_all_occurrences): New function.
5443 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
5444 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
5446 * config/ia64/ia64-protos.h (destination_operand): Declare.
5447 * config/ia64/ia64.c (destination_operand): New function.
5448 (ia64_print_operand): Handle POST_MODIFY.
5449 (rtx_needs_barrier): Likewise.
5450 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
5451 (HAVE_POST_MODIFY_REG): Define to 1.
5452 (MAX_REGS_PER_ADDRESS): Change to 2.
5453 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
5454 (LEGITIMATE_ADDRESS_REG): New helper macro.
5455 (LEGITIMATE_ADDRESS_DISP): Likewise.
5456 (PREDICATE_CODES): Add entry for destination_operand.
5457 * config/ia64/ia64.md (all mov patterns): Use destination_operand
5458 predicate for operand 0.
5460 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5462 * dwarf2out.c: Indent #error directive.
5464 * gbl-ctors.h: Fix typo in comment.
5465 (__do_global_ctors): Prototype.
5467 * gcse.c (record_one_set, pre_delete): Remove unused variables.
5469 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
5470 (print_operand): Initialize variable `t'.
5472 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
5474 * config/arm/arm.md ("call_value"): removed constraints.
5475 Constraints are ignored in expanders.
5476 (*call_value_reg): split =rf into various constraints.
5477 (*call_value_mem): same
5478 (*call_value_symbol): same
5479 (*sibcall_value_insn): same
5481 2000-07-28 Philipp Thomas <pthomas@suse.de>
5483 * install.texi (--enable-nls): Change the description of the NLS
5484 related configure options to match the current state.
5485 (--with-included-gettext): Likewise.
5486 (--enable-maintainer-mode): New description added.
5487 * extend.texi (-fstrict-prototype): Add missing '.'.
5489 2000-07-27 Jim Wilson <wilson@cygnus.com>
5491 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
5492 DECL_INITIAL (decl) == NULL_TREE.
5494 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
5496 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
5497 on insn-attr.h with it.
5498 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
5499 * insn-addr.h: New header.
5500 (insn_addresses_): Renamed from insn_addresses.
5501 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
5502 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
5503 INSN_ADDRESSES_NEW): New macros.
5504 * genattrtab.c (write_test_expr): Use new macros.
5505 * final.c (insn_addresses, init_insn_lengths): Likewise.
5506 (align_fuzz, shorten_branches): Likewise.
5507 (final): Likewise. Do not reject new insns if their addresses
5508 have been added to INSN_ADDRESSES.
5509 * config/arm/arm.c, config/avr/avr.c: Use new macros.
5510 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
5511 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
5512 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
5513 * config/sh/sh.c: Likewise.
5514 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
5516 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
5518 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
5520 * gcc.c (struct prefix_list): Add member priority.
5521 (enum path_prefix_priority): Declare.
5522 (add_prefix): Replace ``first'' with ``priority''. Append new
5523 entry but keep list in priority order.
5524 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
5525 PREFIX_PRIORITY_LAST to add_prefix.
5526 (process_command): Move include kludge - foo/stageN - to before
5529 2000-07-27 Jason Merrill <jason@redhat.com>
5531 * dwarf2out.c (gen_typedef_die): Abort if we get identical
5532 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
5534 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
5536 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
5537 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
5539 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
5541 * c-decl.c (finish_function): Don't treat 'main' specially unless
5542 flag_hosted. In C99 mode, return 0 from 'main' unless
5543 DEFAULT_MAIN_RETURN is otherwise defined.
5545 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
5546 parameters defaulting to int in an old-style function definition.
5548 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5550 * c-parse.in (string): For -Wtraditional, warn about string
5551 concatenation only once per line.
5553 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
5555 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
5556 for HI-UX/WE2 systems.
5558 2000-07-24 Bruce Korb <bkorb@gnu.org>
5560 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
5561 defining the __xxx_TYPE__ macros.
5562 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
5563 * fixincl/fixlib.h: don't need to include "tm.h" anymore
5564 * fixincl/inclhack.def(type_map): now obsolete
5566 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
5568 * cpp.texi: Append a trailing full-stop to xrefs where needed.
5570 2000-07-26 Dave Pitts <dpitts@cozx.com>
5572 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
5574 (mvs_hash_alias): New function.
5575 (mvs_add_alias): Change argument spacing.
5576 (mvs_need_alias): Change aliasing criteria. Added documentation.
5577 (mvs_get_alias): Change to use hashed name. The hashed name prevents
5578 CSECT name collisions.
5579 (mvs_check_alias): Likewise.
5580 (handle_pragma): Change documentation.
5581 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
5582 mode from SImode to DImode.
5583 (iorhi3): Changed LTORG size for insn.
5585 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5587 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5588 mem if the address is a mode_dependent_address_p.
5590 2000-07-26 Kazu Hirata <kazu@hxi.com>
5592 * h8300.c (print_operand): Print ":8" when the 'R' operand is
5593 suitable for 8-bit absolute.
5594 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
5595 (OK_FOR_U): Add a case for the 8-bit constant address on the
5598 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
5600 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
5601 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
5602 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
5603 lack of implemented alignment.
5605 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
5607 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
5608 cross-compiling between 64-bit and 32-bit machines.
5610 2000-07-27 Richard Henderson <rth@cygnus.com>
5612 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
5613 (movhicc_astep, movhi_internal_astep): New.
5614 (movsicc_astep, movsi_internal_astep): New.
5615 (movdicc_astep, movdi_internal_astep): New.
5616 (movsfcc_astep, movsf_internal_astep): New.
5617 (movdfcc_astep, movdf_internal_astep): New.
5618 (movxfcc_astep, movxf_internal_astep): New.
5619 (cmovdi_internal_astep, cmovsi_internal_astep): New.
5620 Unify the cmov[ds]i splitters.
5622 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
5624 * real.c (asctoeg): Rename `error' label to unexpected_char_error
5626 2000-07-26 Nick Clifton <nickc@cygnus.com>
5628 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
5629 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
5631 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
5632 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
5634 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
5636 * c-decl.c (finish_enum): Convert enumerations that fit in an
5638 (build_enumerator): In pedantic mode, cast to `int' those that
5641 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
5643 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
5645 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5647 * sh.md (cmpgtdi_t): Must be split.
5648 (cmpgtdi_t+1): New splitter.
5650 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5652 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
5653 warnings for indented directives even if we are skipping.
5655 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
5657 * invoke.texi (strict-prototypes): Remove.
5658 * extend.texi (Deprecated Features): Add strict-prototypes.
5659 (Backwards Compatibility): New node.
5661 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5663 * config/i386/i386.md (andsi_1+1): Allow HImode.
5664 (andsi_1+2): Require q_regs_operand.
5666 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5668 * config/i386/i386.md (call_pop): Check operands[0],
5669 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5671 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5672 (call_value): Likewise.
5674 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5676 * toplev.c (pipe_closed): Delete.
5677 (crash_signal): New. Generate ICE for a fatal signal.
5678 (float_signal): Call crash_signal outside a float-handler
5680 (main): Install crash_signal as handler for core-dumping signals.
5682 2000-07-25 David Edelsohn <edelsohn@gnu.org>
5684 * rs6000.c (print_operand, case 'T'): New case.
5686 * rs6000.md (call_indirect_aix32): Convert to expander of
5687 scheduled instructions.
5688 (call_indirect_aix64): Likewise.
5689 (call_value_indirect_aix{32,64}): Likewise.
5690 (call, call_value): Invoke expanders for AIX. Fall through to
5692 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
5693 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
5694 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
5695 only "g" constraint.
5696 (call_nonlocal_aix64): Likewise.
5697 (call_value_nonlocal_aix{32,64}): Likewise.
5698 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
5700 (call_value_nonlocal_sysv): New pattern.
5701 (indirect_jump{si,di}): Use new 'T' modifier.
5702 (tablejump{si,di} matchers): Likewise.
5703 (return_internal_{si,di}): Likewise.
5704 (return_eh_{si,di}): Likewise.
5706 2000-07-24 Richard Henderson <rth@cygnus.com>
5708 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
5709 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
5710 * config/ia64/ia64.md (movdi_internal): Use it.
5712 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
5714 * cppexp.c: Warn about unary + if -Wtraditional.
5715 * cpplex.c (lex_line): Always set BOL on the first token of a line.
5717 2000-07-24 Michael Meissner <meissner@redhat.com>
5719 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
5722 2000-07-24 Nick Clifton <nickc@cygnus.com>
5724 * config/arm/arm.c (emit_multi_reg_push): Generate a
5725 REG_FRAME_RELEATED_NOTE that is compatable with the code in
5726 dwarf2out_debug_frame_expr.
5728 2000-07-24 Jason Merrill <jason@redhat.com>
5730 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
5731 UNALIGNED_INT_ASM_OP.
5732 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
5733 a location expression.
5734 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
5735 assume indirect access if we're saving the CFA address exactly.
5737 * Makefile.in (bootstrap): Move -BstageN/ to the end.
5739 2000-07-24 Jakub Jelinek <jakub@redhat.com>
5741 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
5744 2000-07-24 Michael Meissner <meissner@redhat.com>
5746 * invoke.texi (D30V Options): Add d30v options.
5748 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
5750 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
5751 needed by our gcse pass anymore.
5752 (free_pre_mem): Corresponding changes.
5753 (compute_pre_data): Do not call compute_transpout anymore.
5755 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
5756 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
5759 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
5760 (compute_pre_data): Do it here instead.
5762 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
5764 (pre_delete): Corresponding changes.
5766 2000-07-23 Mark Mitchell <mark@codesourcery.com>
5768 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
5769 to figure out whether or not a variable has already been emitted.
5771 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
5773 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
5774 instead of gen_call.
5776 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
5778 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
5780 2000-07-23 Kazu Hirata <kazu@hxi.com>
5782 * h8300.c: Fix formatting.
5784 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
5786 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
5787 for `long' switch expression into a plain warning.
5789 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
5790 (yylex): Don't pedwarn for "inline" in C99 mode.
5792 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
5794 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
5795 ggc_alloc): Likewise.
5796 * bb-reorder.c (dump_scope_forest_1): Likewise.
5798 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
5800 * reload.c (find_reloads_toplev): Add new parameter
5802 (find_reloads): Add new parameter to find_reloads_toplev calls.
5804 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
5806 * collect2.c (main): Typo fixed.
5807 * diagnostic.c: Typo fixed.
5808 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
5809 * eh-common.h: Typo fixed.
5810 * emit-rtl.c (start_sequence): Typo fixed.
5811 * flow.c (find_label_refs): Typo fixed.
5812 (calculate_global_regs_live): Typo fixed.
5813 (mark_regno_cond_dead): Typo fixed.
5814 (create_edge_list): Typos fixed.
5815 (verify_edge_list): Typo fixed.
5816 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
5817 * loop.c (strength_reduce): Typo in function name fixed.
5818 * rtl.h: Added comments. Typo in function name fixed.
5819 * rtlanal.c: Typo in function name fixed.
5820 (insn_dependant_p): Rename to ...
5821 (insn_dependent_p): ... this.
5822 (computed_jumo_p): Typo fixed.
5824 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5826 * system.h (__FUNCTION__): Wrap definition in #ifndef.
5828 2000-07-21 David Edelsohn <edelsohn@gnu.org>
5830 * rs6000.h (SIZE_TYPE): Define.
5832 2000-07-21 Mark Mitchell <mark@codesourcery.com>
5834 * ssa.c (rename_insn_1): Don't rename registers that are
5837 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
5839 * diagnostic.c (trim_filename, fancy_abort): Moved here from
5841 (fatal_function, set_fatal_function): Removed.
5842 (fatal): Don't prepare for or call the fatal_function.
5843 (diagnostic_lock, error_recursion): New.
5844 (diagnostic_for_decl, report_diagnostic): Guard against
5845 re-entering the error reporting routines.
5846 (fancy_abort): Assume function is not NULL.
5848 * errors.c (fancy_abort): New. Assume function is not NULL.
5849 * tradcpp.c (fancy_abort): Assume function is not NULL.
5851 * system.h: Provide default definition of __FUNCTION__.
5852 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
5853 Always use __FUNCTION__ in definition of abort.
5855 * varray.h: Likewise.
5856 * toplev.h: Likewise. Don't prototype set_fatal_function.
5858 2000-07-20 Geoff Keating <geoffk@cygnus.com>
5860 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
5862 * glimits.h: Don't do #if defined for ARCH_PPC.
5864 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
5865 constants of size no larger than a pointer should go in the TOC.
5866 Add 'MODE' parameter.
5867 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
5868 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
5869 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
5870 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
5871 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
5872 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
5873 (rs6000_legitimize_address): Likewise.
5874 (rs6000_emit_move): Likewise.
5875 (rs6000_select_rtx_section): Likewise.
5876 (output_toc): Deal properly with outputting small constants like
5877 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
5878 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
5879 MODE parameter. Put small constants in the TOC.
5881 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
5883 (rs6000_emit_move): When reload calls us with an illegitimate
5884 address, exit early. Move the change_address calls to one place
5885 at the end of the routine. Merge the SImode and DImode expanders.
5886 When called by reload to put an integer into a FP register, force
5889 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
5891 (rs6000_hash_constant): Hash mode too.
5892 (toc_hash_function): Allow for key_mode.
5893 (toc_hash_eq): Structures are different if key_mode differs.
5894 (output_toc): Add 'mode' parameter. Save key_mode.
5895 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
5896 Pass 'mode' parameter.
5897 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
5899 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
5900 for vtable references.
5902 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
5903 choice, don't put integer values in FP regs.
5905 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
5907 * flow.c (verify_flow_info): Revamp code to verify that the
5908 head and end of each basic block are in the insn chain.
5910 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
5912 * gcse.c (record_one_set): Prepend instead of append onto
5913 reg_set_table, making it O(n) instead O(n^2).
5914 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
5915 Use a queue instead of a stack as worklist.
5917 2000-07-20 Kazu Hirata <kazu@hxi.com>
5919 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
5920 * h8300.h (OK_FOR_T): New.
5921 (EXTRA_CONSTRAINT): Support OK_FOR_T.
5922 * h8300.md: Use inc/dec.[wl] for increment/decrement
5923 by 1 and 2 in HI and SI modes.
5925 2000-07-20 Jim Wilson <wilson@cygnus.com>
5927 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
5928 larger than 14 bits.
5930 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
5932 * cppmacro.c (CAN_PASTE_AFTER): New macro.
5933 (count_params): Don't set GNU_REST_ARGS on anything.
5934 (save_expansion): Set PASTE_LEFT only on tokens for which
5935 CAN_PASTE_AFTER is true, or which are named operators.
5937 * cpplex.c (parse_args): Distinguish between a rest argument
5938 given one empty argument, and a rest argument given zero arguments.
5939 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
5940 deletion of previous token based on that.
5941 (get_raw_token): Flatten some control structure.
5943 * cpplib.h (CPP_LAST_EQ): Correct.
5944 (VOID_REST): New token flag.
5945 (GNU_REST_ARGS): Delete.
5947 * tradcpp.c (main): Don't munge -D options.
5948 (make_definition): Bring -D handling in line with cpplib.
5949 (do_define): Strip all leading whitespace from macro definitions.
5951 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
5953 * Makefile.in (tradcpp): Depend on intl.o and version.o.
5955 2000-07-20 Bruce Korb <bkorb@gnu.org>
5957 * fixincl/check.tpl: strip the platform specific types before testing
5958 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
5959 * fixincl/fixincl.tpl: use platform specific types
5960 * fixincl/fixlib.h: include the platform specific types
5961 * fixincl/inclhack.def(gnu_types): don't supply the types
5962 * fixincl/fixincl.x: regen
5964 2000-07-19 Jim Wilson <wilson@cygnus.com>
5966 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
5969 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5971 * tradcpp.c (rescan): Do not recognize directives when the #
5974 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
5976 Implement C++ named operators.
5978 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
5979 of operators allowed in #if and having an _EQ variant. Add
5980 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
5981 (cpp_token flags): Add NAMED_OP.
5982 (enum node_type): Add T_OPERATOR.
5983 (struct cpp_hashnode): Add code slot to value union.
5984 * cpphash.h (spec_nodes): Remove n_defined.
5986 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
5987 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
5988 (is_macro_disabled): Tweak error messages.
5990 * cpplib.c (get_define_node): Disallow all named operators as
5991 macro names. Tweak error messages.
5992 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
5994 * cppinit.c (builtin_array): Add entries for the named operators.
5995 * cppexp.c (lex): Check for CPP_DEFINED token.
5996 (priority table): Add entries for CPP_MIN and CPP_MAX.
5997 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
5999 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6001 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6002 larger than the array of cuids.
6003 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6006 2000-07-19 Bruce Korb <bkorb@gnu.org>
6008 * fixinc/fixincl.c: Convert to using a table of environment variables
6009 and activate the auto-edit marker on the fixed output files.
6010 * fixinc/fixlib.h: Define the environment table
6011 * fixinc/fixincl.sh: export the ${INPUT} dir
6012 * fixinc/check.tpl: likewise
6014 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6016 * gcc.c (.h spec): Fix typo.
6018 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6020 * Makefile.in: Fix tradcif.c path.
6022 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6024 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6027 * cpphash.h (TOKEN_NAME): New macro.
6028 (_cpp_spell_operator): Deleted.
6029 (token_spellings): Now _cpp_token_spellings.
6031 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6032 * cpplex.c: Use OP and TK macros when expanding the
6033 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6034 store the stringification of the enumeration name (CPP_CHAR,
6035 etc.) in the name slot of token_spellings.
6036 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6037 token_spellings directly.
6038 * cpplib.c: Use TOKEN_SPELL.
6040 * cpplex.c (_cpp_push_token): If the token being pushed back
6041 is the previous token in this context, just subtract one from
6043 * cppmacro.c (save_expansion): Clear aux field when storing a
6046 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6048 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6049 buffer, provided it is not NULL.
6051 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6053 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6054 case of invalid volatile re-declaration.
6056 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6058 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6059 (expand_call): Adjust caller.
6061 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6063 * diagnostic.h (report_diagnostic): Change prototype.
6065 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6066 diagnostic_for_decl): Change prototype.
6067 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6068 error, warning, error_with_file_and_line,
6069 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6070 Adjust call to report_diagnostic, diagnostic_for_decl.
6071 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6072 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6074 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6075 varaible argument list.
6077 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6079 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6080 moved to cppmacro.c.
6081 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6082 dump_hash_helper): Delete.
6083 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6084 cpp_forall_identifiers): New. Implement specialized version of
6085 Vlad's expandable hash table.
6086 (cpp_lookup): Use new functions.
6087 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6089 * cppmacro.c: New file.
6090 * cppinit.c (dump_macros_helper): New.
6091 (cpp_finish): Iterate over the identifier table directly.
6092 * cpplex.c (parse_name): Calculate the hash of the identifier
6093 while we scan it. Use _cpp_lookup_with_hash when we can.
6095 * cpphash.h: Update prototypes.
6096 (xcnewvec, HASHSTEP): New helper macros.
6097 * cpplib.h: Update prototypes.
6098 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6099 (cppmacro.o): New rule.
6100 (cpphash.o): Update deps.
6102 * cppmain.c: Do not set pfile->printer if no_output is on.
6104 2000-07-15 Neil Booth <neilb@earthling.net>
6106 * cpplib.c: Change all directive-handler functions to return
6108 * cpphash.h: Update typedefs.
6110 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6112 * configure: Regenerate.
6114 * extend.texi (Extended Asm): Mention that a memory clobber
6115 does not count as a side-effect.
6117 * unroll.c (copy_loop_body): Fix one instance of using host
6118 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6121 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6123 2000-07-17 Richard Henderson <rth@cygnus.com>
6125 * config/ia64/ia64.md (movdi): Split out load address code.
6126 New post-reload splitter for symbolic operands.
6127 (movdi_internal): Abort if we didn't split symbolic operands
6128 when we should have.
6129 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6130 (ia64_reorg): Split insns when not optimizing.
6131 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6133 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6135 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6136 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6138 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6140 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6142 2000-07-17 Jason Merrill <jason@redhat.com>
6144 * Makefile.in (clean): Remove libgcc directory.
6146 * configure.in (-Wno-long-long check): Use higher-level macros.
6148 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6150 * simplify-rtx.c (simplify_binary_operation): Recognize
6151 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6152 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6153 a CONST_INT, it will always be zero.
6155 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6157 * loop.c (check_dbra_loop) : Return if more than one condition is
6158 present to control the loop.
6160 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
6162 * mips.c (mips_expand_prologue): Don't calculate the last argument
6163 register unless we need it. When we are calculating this, make
6164 sure FUNCTION_ARG is giving us a REG.
6166 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6168 * flow.c (libcall_dead_p): Use single_set to verify the insn
6169 has only one set and get for analysis.
6170 (propagate_one_insn): Don't pass the PATTERN of the insn.
6172 2000-07-17 Mark Klein <mklein@dis.com>
6174 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
6176 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6178 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
6179 * configure.in (TARGET_GETGROUPS_T): Evaluate.
6180 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
6181 of second argument of getgroups.
6182 * configure, config.in: Rebuilt.
6184 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6186 * simplify-rtx.c (simplify_relational_operation): Two signed
6187 values with equal high words are less/greater than each other if
6188 their low words are less/greater when considered as unsigned.
6190 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
6192 * configure.in (vax-*-openbsd): Change to new style configuration,
6193 add collect2/float_format information.
6194 * configure: Rebuilt.
6195 * config/vax/openbsd1.h: New.
6196 * config/vax/openbsd.h: New.
6197 * config/vax/t-openbsd: New.
6199 2000-07-17 Chip Salzenberg <chip@valinux.com>
6201 * c-common.c (shorten_compare): Quiet warnings about unsigned
6202 comparisons with zero when they occur in a system header.
6204 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6206 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
6207 update to describe current practice.
6209 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
6211 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
6212 references to C9X. Change references to -fstd and -flang-isoc9x
6215 * c-common.c (scan_char_table): Allow "z" length modifiers on
6217 (check_format_info): Use TYPE_DOMAIN on the type matched against
6218 for "z" formats, to retrieve the language size_t rather than the
6221 * c-common.c (check_format_info): Do not make a pedantic objection
6222 to the 'L' length modifier if used with a floating point type
6225 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
6226 constants in C99 mode.
6228 2000-07-17 Kazu Hirata <kazu@hxi.com>
6230 * h8300.md: Fix the format of mac.
6231 (movsi_h8300hs): Output a tab after stmac instead of a space.
6233 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
6234 profitable adds/subs sequences.
6236 * fold-const.c: Fix comment typos.
6238 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
6240 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
6242 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6244 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
6246 2000-07-16 Neil Booth <NeilB@earthling.net>
6248 * cpplex.c: Update comments.
6249 * README.Portability: Small update.
6251 2000-07-16 Neil Booth <NeilB@earthling.net>
6253 * README.Portability: Small update.
6255 2000-07-15 Richard Henderson <rth@cygnus.com>
6257 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
6258 * config/ia64/ia64.c (ia64_move_ok): New function.
6259 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
6260 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
6262 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
6264 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
6265 immediately following a paste operator.
6266 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
6267 (cpp_reader_init): Call it, if HOST_EBCDIC.
6268 (cpp_handle_options): Do not sort option list here.
6269 (handle_option): Rename to cpp_handle_option and export.
6270 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
6271 _cpp_get_token directly.
6272 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
6273 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
6274 * cpplib.h: Prototype cpp_handle_option. Update prototype of
6277 2000-07-15 Richard Henderson <rth@cygnus.com>
6279 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
6280 cast around an expression. Tidy other unsigned tests.
6282 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
6284 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
6285 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
6286 (v_message_with_decl): Rename to ...
6287 (format_with_decl): ... this. Tweak
6288 (diagnostic_for_decl): New function.
6289 (fatal_io_error): Use verbatim in lieu of notice.
6290 (announce_function): Use verbatim.
6291 (default_print_error_function): Likewise.
6292 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
6295 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6297 * mips.c (function_arg_pass_by_reference): Don't do automatic
6298 aggregate initialization.
6299 (machine_dependent_reorg): Initialize variable `mode'.
6301 * mips.md (absdi2): Change variable `regno1' to unsigned int.
6302 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
6303 conflicts with sys/param.h macro of the same name.
6304 (reload_outdi): Likewise.
6306 2000-07-15 Michael Meissner <meissner@redhat.com>
6308 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
6309 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
6310 create a new node instead.
6312 2000-07-15 Neil Booth <NeilB@earthling.net>
6314 * README.Portability: Correct example about calling a function
6315 through a pointer to function. Format wide paragraphs.
6317 2000-07-15 Michael Meissner <meissner@redhat.com>
6319 * README.Portability: Update integer suffixes and function
6322 2000-07-15 Neil Booth <NeilB@earthling.net>
6324 * README.Portability: Small update.
6326 2000-07-15 Neil Booth <NeilB@earthling.net>
6328 * README.Portability: New file.
6330 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
6332 * INSTALL: Give special instructions for building GCC on Irix 6.
6333 * config/mips/x-iris6 (CC): Don't set it.
6336 2000-07-14 Jason Merrill <jason@redhat.com>
6338 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
6339 register in the stack and later in another register, use the new
6342 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6344 * config/mips/mips.md: (absdi2): Handle sign_extend for
6347 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
6349 * cpplib.c (do_pragma_dependency): Tidy warning messages.
6351 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
6353 * .cvsignore: Correct typo.
6355 2000-07-13 Mark Mitchell <mark@codesourcery.com>
6357 * .cvsignore: Add generated YACC files.
6358 * objc/.cvsignore: New file.
6360 2000-07-14 Neil Booth <NeilB@earthling.net>
6362 * cpplex.c (adjust_column): New funcion.
6363 (skip_whitespace): Use it.
6364 (skip_block_comment): Use it, and warn about /*/* with
6367 2000-07-14 Neil Booth <NeilB@earthling.net>
6369 * cpphash.c (struct macro_info): Add new members.
6370 (_cpp_free_definition): Delete the macro directly.
6371 (count_params): Return void, with first token of
6372 expansion in struct macro_info on success.
6373 (parse_define): Return int. Hoist syntax checking from
6374 save_macro_expansion. Leave call to save_expansion to
6375 _cpp_create_definition.
6376 (alloc_macro): Needs just 2 arguments.
6377 (free_macro): Delete.
6378 (save_expansion): Don't perform syntax check.
6379 (_cpp_create_definition): Call save_expansion.
6381 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6383 * genrecog.c (write_header): Split long string.
6385 * cpphash.c (macro_info): Don't use the `signed' keyword.
6387 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
6389 2000-07-13 Jakub Jelinek <jakub@redhat.com>
6391 * calls.c (stored_args_map): New variable.
6392 (check_sibcall_argument_overlap_1): New.
6393 (check_sibcall_argument_overlap): New.
6394 (expand_call): Initialize stored_args_map.
6395 Call check_sibcall_argument_overlap.
6397 2000-07-13 Bruce Korb <bkorb@gnu.org>
6399 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
6400 (emit_gnu_type): utility procedure for gnu_type_fix
6401 (gnu_type_fix): implement various pre-processor guards around
6402 standard types so these types can be defined over and over
6403 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
6404 types alluded to above will have GNU-compliant base types
6405 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
6406 * fixinc/inclhack.def: add test_text entries and utilize the new
6407 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
6408 * fixinc/fixincl.x: regenerate
6410 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6412 * diagnostic.c (vline_wrapper_message_with_location,
6413 v_message_with_file_and_line, v_error_with_file_and_file,
6414 v_error_for_asm, v_warning_for_asm, vfatal,
6415 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
6416 vsorry, verror, vwarning, vpedwarn): Remove.
6417 (diagnostic_for_asm): New function.
6418 (pedwarn, error, warning, pedwarn_with_file_and_line,
6419 error_with_file_and_line, warning_with_file_and_line, sorry,
6420 error_for_asm, warning_for_asm, fatal): Reimplement.
6421 (finish_diagnostic): Clear diagnostic info as well.
6423 2000-07-13 Neil Booth <NeilB@earthling.net>
6425 * c-common.h (flag_digraphs): New.
6426 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
6427 * c-lex.c (yylex): Use flag_digraphs to decide whether to
6430 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
6432 * gcc.c (do_spec_1): Add new %B operator.
6433 (set_input): Prepare for %B.
6435 (link_command_spec): Move up with the other tm.h-
6436 overrideable specs. Factor out the portion conditional on
6437 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
6438 (struct compiler): Just have a single spec string. All users
6440 (default_compilers): Remove unnecessary braces.
6441 (static_specs): Update.
6443 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
6445 (C and assembly specs): Use the new named specs, as appropriate.
6447 * objc/lang-specs.h: Use the new named specs.
6448 Remove unnecessary braces.
6450 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6452 * gcc.c (execute): If a subprocess gets a fatal signal, report
6453 strsignal() of the signal number, and ask for a bug report.
6454 Do not do this for SIGPIPE if there's already been an error.
6456 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
6459 * tradcif.c: Remove.
6461 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6463 * final.c (profile_function): Do not emit profile counters in
6464 the data section, if NO_PROFILE_COUNTERS is defined.
6465 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
6468 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
6469 (FUNCTION_PROFILER): Just emit a call to mcount.
6471 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6473 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
6475 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6476 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
6477 traditional, lang_chill, or lang_fortran.
6479 * cppfiles.c: #undef strcmp to suppress warning about macros
6480 used without arguments.
6481 (_cpp_execute_include): Use f, not fname, in "No include path"
6483 (_cpp_pop_file_buffer): New function.
6484 * cpplib.c: Don't include <sys/mman.h>.
6485 (cpp_push_buffer): Set line_base and lineno in new buffer.
6486 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
6488 * cpplex.c: Move all prototypes and structure declarations to the
6489 top of the file. Properly parenthesise some macro arguments.
6490 (cpp_scan_line): New function.
6491 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
6492 don't need to walk up the stack counting.
6494 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6496 * c-common.c (combine_strings): Emit a pedantic warning when a
6497 string length is greater than the minimum ANSI C is required
6500 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
6502 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
6503 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
6505 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6507 * c-decl.c (define_label): Warn about identifier conflicts with
6508 labels in traditional C.
6510 * c-parse.in (unop +): Warn about the unary plus operator for
6513 * c-typeck.c (store_init_value): Warn about automatic aggregate
6514 initialization for traditional C.
6516 * invoke.texi (-Wtraditional): Document new warnings.
6518 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6520 * Makefile.in (c-errors.o): Fix thinko in dependency.
6522 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6524 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
6525 -traditional, -ftraditional, or -traditional-cpp was given.
6526 Do not pass -traditional to the preprocessor.
6527 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
6528 preprocessor does it automatically.
6529 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
6531 * ch/lang-specs.h: Always use tradcpp. Do not pass
6532 -traditional, -trigraphs, or -pedantic to the preprocessor.
6533 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
6536 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6538 * cppexp.c (LOGICAL): Delete macro.
6539 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
6542 * cpphash.c (HASHSIZE): Increase to 4096.
6543 (struct hashdummy): Add hash field.
6544 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
6545 the string values using memcmp.
6546 (cpp_lookup): Set dummy.hash.
6548 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
6550 * configure.in (m88k-openbsd): Express configuration using new fragment
6552 * configure: Rebuilt.
6553 * m88k/aout-dbx.h: New.
6554 * m88k/openbsd.h: New.
6555 * m88k/xm-openbsd.h: New.
6557 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6559 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
6561 2000-07-12 Richard Henderson <rth@cygnus.com>
6563 * reload.c (push_secondary_reload): Make sure to add the new
6564 reload at the end, after acquiring secondary memory.
6566 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6568 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
6570 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
6571 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
6573 * c-parse.in (stmt): Delete unused variables.
6575 * convert.c (convert_to_vector): Likewise.
6577 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
6579 * tree.c (finish_vector_type): Prototype.
6581 2000-07-12 Bruce Korb <bkorb@gnu.org>
6583 * fixinc/fixfixes.c: use xmalloc
6584 * fixinc/fixincl.c(initialize): set program name for xmalloc
6585 * fixinc/fixlib.c(must_malloc): obsolete
6586 (is_cxx_header): no longer used - disabled
6587 (skip_quote): inserted and disabled for future use
6588 * fixinc/fixlib.h: reflects above
6589 * fixinc/fixtests.c: removed dinkleberries
6591 2000-07-12 Neil Booth <NeilB@earthling.net>
6593 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
6594 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6596 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
6597 struct toklist_dummy): New.
6598 (cpp_free_definition): Free macros with free_macro.
6599 (count_params): Don't save paramter spellings. Save macro
6600 information in a struct macro_info.
6601 (parse_define): Don't allocate a token list.
6602 (save_expansion): Allocate the macro's token list, and
6603 save parameter spellings if necessary. Use TOKEN_SPELL.
6604 (cpp_create_definition): Make list const.
6606 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6608 * c-typeck.c (pedwarn_c99): Move to
6609 * c-errors.c: ... Here.
6610 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
6611 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
6612 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
6613 (c-errors.o): List dependency.
6615 2000-07-12 Mark Mitchell <mark@codesourcery.com>
6617 * c-parse.c: Remove.
6618 * c-parse.h: Likewise.
6619 * c-parse.y: Likewise.
6620 * objc/objc-parse.c: Likewise.
6621 * objc/objc-pasre.y: Likewise.
6623 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
6625 * gcc.texi: Fix minor typos
6626 * extend.texi: Fix minor typos
6628 2000-07-11 Marc Espie <espie@openbsd.org>
6630 * collect2.c (main): Recognize .lo as object files.
6632 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6634 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
6637 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
6638 with MAP_ANONYMOUS and MAP_ANON.
6639 * configure, config.in: Rebuilt.
6641 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6643 * diagnostic.c (save_output_state): Remove.
6644 (restore_output_state): Likewise.
6645 (clear_text_info): New function.
6646 (clear_diagnostic_info): Likewise.
6647 (output_text_length, is_starting_newline, output_prefix,
6648 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
6649 prefixing_policy, output_buffer_ptr_to_format_args): New macros
6650 (set_real_maximum_length, output_set_maximum_length,
6651 output_set_prefix, output_get_prefix, output_set_maximum_length,
6652 output_destroy_prefix, init_output_buffer,
6653 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
6654 output_add_newline, output_add_character, output_add_space,
6655 output_append_r, output_append, wrap_text, output_format,
6656 output_do_printf, output_printf, output_do_verbatim,
6657 output_verbatim, verbatim): Use them.
6658 (output_clear): Split into cleat_text_info and
6659 clear_diagnostic_info.
6660 (struct output_state): Move to...
6662 * diagnostic.h: ...Here
6663 (struct output_buffer): Adjust.
6665 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
6667 * cpplex.c (parse_name): No longer inline (premature optimization).
6668 (do_pop_context): Fold into pop_context.
6669 (pop_context): Returns int.
6670 (lex_next): Hoist test for end of directive into pop_context.
6671 (push_macro_context): Returns int; takes just reader and token.
6672 Hoist test for excessive nesting to caller.
6673 (push_arg_context): Returns void; takes just reader and token.
6674 Do not call stringify_arg or get_raw_token.
6675 (get_raw_token): Convert tail recursion through push_arg_context
6676 to a loop at this level. Call stringify_arg here if appropriate.
6677 (maybe_paste_with_next): Convert tail recursion to a while loop.
6678 Hoist test of paste_level to caller.
6680 (stringify_arg): Push arg context at beginning.
6681 (cpp_get_token): Split out core into _cpp_get_token. Call
6682 process_directive here. Throw away CPP_PLACEMARKER tokens.
6683 (_cpp_get_token): Convert tail recursion through
6684 push_macro_context to a loop at this level.
6685 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
6686 _cpp_get_raw_token): Use _cpp_get_token.
6687 (_cpp_skip_rest_of_line): Drop the context stack directly; do
6688 not call pop_context.
6689 (_cpp_run_directive): Call lex_next directly.
6691 * cpphash.h: Prototype _cpp_get_token.
6692 * cppexp.c (lex): Use it.
6693 * cpphash.c (parse_define): Use it.
6694 * cpplib.c (get_define_node, do_undef, parse_include,
6695 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
6696 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
6697 parse_ifdef, validate_else): Use it.
6698 (cpp_push_buffer): Tweak error message; abort if anyone tries
6699 to push a buffer while macro expansions are stacked.
6701 2000-07-11 Donn Terry <donnte@microsoft.com>
6703 * cpplex.c (free_macro_args, save_token): Cast arg of free
6704 and/or xrealloc to PTR.
6705 (_cpp_init_input_buffer): Clear all fields of the base context.
6707 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
6709 * gensupport.c (process_rtx): Make rtl checking stop
6710 complaining about the define_insn while it is being
6711 converted from a define_insn_and_split.
6713 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
6715 * config/mips/mips.c (simple_memory_operand): Access the
6716 INTVAL of the address, not it's containing MEM.
6718 2000-07-11 Bruce Korb <bkorb@gnu.org>
6720 * fixinc/fixtests.c(double_slash): obsolete
6721 (else_endif_label): likewise
6722 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
6723 (libc1_ifdefd_memx): correct initial comment
6724 and omit the #if/#endif pair from the memxxx declarations
6725 * fixinc/fixincl.x: regen
6727 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6729 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
6731 2000-07-11 Neil Booth <NeilB@earthling.net>
6735 2000-07-11 Neil Booth <NeilB@earthling.net>
6737 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
6738 (handle_option): Set digraphs according to standard.
6739 Merge OPT_lang_c89 handler with OPT_std_c89.
6741 * cpplex.c: (lex_line, can_paste): Honour digraphs in
6742 accordance with the digraphs flag.
6744 * cpplib.h: (struct cpp_options): New option digraphs.
6746 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
6747 Bruce Korb <bkorb@gnu.org>
6749 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
6750 * fixinc/fixincl.x: Regenerate.
6751 * fixinc/tests/base/testing.h: Add testcase.
6753 2000-07-10 Richard Henderson <rth@cygnus.com>
6755 * config/ia64/ia64.c (got_symbolic_operand): New.
6756 (symbolic_operand, move_operand): Revert 0701 change.
6757 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6758 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
6759 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
6760 split the offset into a 14-bit low part instead of a 13-bit low part.
6761 (load_fptr): Mark the mem as unchanging.
6762 (load_symptr): Use got_symbolic_operand.
6764 2000-07-10 Nick Clifton <nickc@cygnus.com>
6766 * libgcc2.c (next_stack_level): Cast result of computation to
6767 (void **) so that the assignment does not generate a warning.
6769 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
6771 * flags.h : Add new variable flag_single_precision_constant.
6772 * toplev.c (display_help) : Add -fsingle-precision-constant option.
6773 (flag_single_precision_constant): New.
6774 * c-lex.c (yylex): Convert floating point constant to single
6776 * invoke.texi : Add documentation for this new option.
6778 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6780 * diagnostic.c (output_octal): Second parameter is unsigned.
6781 (output_long_octal): Likewise.
6782 (output_hexadecimal): Likewise.
6783 (output_long_hexadecimal): Likewise.
6784 (output_format): Adjust arguments extraction. Tweak.
6785 (output_verbatim, verbatim): End variable argument list.
6786 (report_diagnostic): Improve documentation.
6788 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
6790 * c-common.h (build_stmt): Declare.
6791 (build_continue_stmt): Likewise.
6792 (build_break_stmt): Likewise.
6793 (build_return_stmt): Likewise.
6795 * c-decl.c (do_case): Rewrite to do what previously done in
6798 * c-semantics.c (build_stmt): Define.
6799 (build_return_stmt): Likewise.
6800 (build_break_stmt): Likewise.
6801 (build_continue_stmt): Likewise.
6802 (build_case_label): Likewise.
6804 * c-parse.in (BREAK): Change to build tree, then generate RTL.
6805 (CONTINUE): Likewise.
6808 (DEFAULT): Likewise.
6810 * c-parse.y: Regenerate.
6811 * c-pasre.c: Likewise.
6813 2000-07-09 Jason Merrill <jason@redhat.com>
6815 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
6817 * tree.h (STRIP_NOPS): Check for error_mark_node.
6818 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
6819 (dwarf2out_*): Remove duplicate declarations.
6821 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
6822 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
6824 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6826 * diagnostic.c (wrap_text): New function.
6827 (maybe_wrap_text): Likewise.
6828 (output_add_string): Use it.
6829 (output_format): Likewise.
6830 (count_error): Use verbatim instead of notice.
6831 (report_error_function): Likewise. Don't use plain fprintf.
6832 (finish_diagnostic): New function.
6833 (output_do_verbatim): Tweak. Commonalize functionalities in
6834 output_verbatim and verbatim.
6835 (output_verbatim): Adjust.
6836 (verbatim): Likewise.
6837 (report_diagnostic): Define.
6839 * diagnostic.h (report_diagnostic): Prototype.
6841 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
6843 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
6845 2000-07-09 Neil Booth <NeilB@earthling.net>
6847 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
6848 IShspace, ISspace: Update.
6850 * cppinit.c: ISTABLE: Update.
6853 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
6854 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
6855 (skip_block_comment, skip_line_comment, parse_string,
6856 lex_line): Use is_vspace rather than IS_NEWLINE.
6857 (skip_whitespace, lex_line): Clean up to use is_nvspace.
6858 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
6860 (lex_next): Unconditionally stop if within a directive.
6861 Treat directives within macro invocations as directives
6862 (after parse_args emits error), not as the argument.
6864 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
6866 * diagnostic.c (diagnostic_args): New macro.
6867 (diagnostic_msg): Likewise.
6868 (output_formatted_integer): Likewise.
6869 (output_state): New data type.
6870 (digit_buffer): Make global.
6871 (output_add_integer): Rename to output_decimal. Squeeze
6873 (output_long_decimal, output_unsigned_decimal,
6874 output_long_unsigned_decimal, output_octal, output_long_octal,
6875 output_hexadecimal, output_long_hexadecimal): New functions.
6876 (output_append_r): New function.
6877 (output_append): Tweak.
6878 (output_flush_on): Rename to output_to_stream.
6879 (output_format): Change prototype. Improve documentation. Handle
6880 more format specifiers.
6881 (build_location_prefix): Rename to context_as_prefix.
6882 (output_notice): Rename to output_do_printf.
6883 (output_printf): Tweak.
6884 (line_wrapper_printf): Likewise.
6885 (vline_wrapper_message_with_location): Adjust call to renamed
6887 (v_message_with_decl): Likewise.
6888 (default_print_error_function): Likewise.
6889 (save_output_state): New function.
6890 (restore_output_state): Likewise.
6891 (output_do_verbatim): Likewise.
6892 (output_verbatim): Define.
6893 (verbatim): Likewise.
6895 * diagnostic.h (printer_fn): Change return type from void to int.
6896 Improve documentation.
6897 (output_add_integer): Rename to output_decimal.
6898 (output_flush_on, output_format): Don't export.
6899 (output_verbatim, verbatim): Declare.
6901 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
6903 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
6904 Check whether c divides op1 exactly if operation is not
6907 2000-07-08 Richard Henderson <rth@cygnus.com>
6909 * final.c (final): Do not abort when reg-stack introduces
6912 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
6914 * cpplib.h (struct cpp_name): Now struct cpp_string.
6915 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
6916 CPP_HEADER_NAME): Change to type S.
6917 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
6918 field, a cpp_hashnode *. All references to val.name updated
6919 to use val.str or val.node as appropriate.
6920 (struct cpp_reader): Add spec_nodes field.
6921 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
6923 * cpphash.h (struct spec_nodes): New.
6924 (enum spell_type): Reorder. Only SPELL_STRING tokens use
6925 val.str. All references to 'spelling > SPELL_NONE' updated to
6928 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
6929 pfile->buffer->inc are not NULL before dereferencing them.
6931 * cpplex.c (parse_name): Take a pointer to the current token,
6932 plus current position and limit as args; return the new
6933 position; don't copy the text of a name into the string
6934 buffer, instead call cpp_lookup and store the node pointer.
6935 If extending a token, copy out the text of the old into a
6936 scratch buffer, append the new, look that up and store the new
6937 node pointer. Inline.
6938 (maybe_paste_with_next): If the result of paste is a NAME,
6939 then look up the pasted text and store its node pointer.
6940 (lex_line): Adjust for new parse_name interface.
6941 Check for L"str", L'str' using spec_nodes->n_L.
6942 (spell_token): SPELL_IDENT tokens have their spelling in
6943 val.node->name. Handle SPELL_STRING tokens that don't have
6945 (_cpp_expand_name_space,
6946 (can_paste): Check for L ## "str" using spec_nodes->n_L.
6947 (cpp_get_token, special_symbol): No need to call cpp_lookup.
6948 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
6949 return 1=equal 0=not, not a tristate.
6951 * cpphash.c (var_args_str): Delete.
6952 (find_param): Compare node fields directly.
6953 (is__va_args__): Use CPP_PEDANTIC. Just compare
6954 token->val.node with spec_nodes->n__VA_ARGS__.
6955 (dump_funlike_macro): Don't use var_args_str.
6957 * cpplib.c (_cpp_check_directive): Just walk through
6958 spec_nodes->dirs comparing pointers.
6959 (get_define_node, do_pragma_poison, detect_if_not_defined,
6960 parse_ifdef): The identifier has already been looked up.
6961 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
6963 (do_if): Only call detect_if_not_defined at beginning of file.
6964 (_cpp_parse_assertion): Only copy string pointers for
6965 SPELL_STRING tokens.
6966 (pragma_dispatch): Take a node pointer and examine its name
6968 (_cpp_init_stacks): Also initialize the spec_nodes structure.
6970 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
6972 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
6973 reverse order from the corresponding _cpp_init_* routines.
6975 * cppexp.c (parse_number, parse_charconst, parse_defined,
6976 lex): Check val.node->type instead of calling cpp_defined.
6977 Use spec_nodes entries where appropriate.
6979 * fix-header.c, scan-decls.c: Update for interface changes.
6981 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
6983 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
6984 emitting aux_truncdfsf2.
6986 2000-07-03 Donn Terry (donnte@microsoft.com)
6988 * cppinit.c (print_help): split overlong line into ISO C89
6991 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
6993 * cppexp.c: Update all code for new lexer interface.
6994 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
6995 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
6996 * cpplex.c (token_names): Trim leading CPP_ from names; make
6997 the strings unsigned.
6998 (_cpp_spell_operator): New.
6999 (is_macro_disabled): Disable all macros if rescanning
7001 (_cpp_get_directive_token): Remove.
7003 * cppinit.c: Don't set no_macro_expand.
7004 * cpplib.c (read_line_number, do_line): Check only for EOF,
7006 * cpphash.h: Update prototypes.
7007 * cpplib.h (CPP_VSPACE): Remove.
7008 (struct cpp_reader): Remove no_macro_expand.
7010 2000-07-08 Neil Booth <NeilB@earthling.net>
7012 * cpphash.c (is__va_args__): New function.
7013 (count_params): Fix line reported in error messages. Use
7014 is__va_args__. Don't return ')' on error. Flag GNU style
7015 rest args macro definitions.
7016 (parse_define): Check macro name is not __VA_ARGS__.
7017 (save_expansion): Check identifier in non-varargs-macro is
7018 not __VA_ARGS__. Don't flag GNU_VARARGS.
7019 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7020 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7021 than per-token GNU_VARARGS.
7022 * cpplib.h (GNU_VARARGS): Remove.
7023 (GNU_REST_ARGS): New.
7025 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7027 * i386.md (call_pop, call, call_value_pop): Do not set
7028 current_function_uses_pic_offset_table for calls to static
7029 functions or indirect calls.
7031 2000-07-07 Jim Wilson <wilson@cygnus.com>
7033 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7034 is_predicate_reg, then take max write_count of register pair.
7036 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7038 * tradcpp.c (main): Rename label `include' to `add_include' to
7039 avoid conflicts with variable `include' in traditional C.
7041 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7043 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7045 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7047 * sibcall.c (uses_addressof): Add INMEM argument, check for
7048 current_function_internal_arg_pointer outside of MEM rtxs in addition
7050 (sequence_uses_addressof): Update caller.
7052 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7054 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7057 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7059 * system.h (UNION_INIT_ZERO): New macro for initializing union
7062 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7064 2000-07-07 Neil Booth <NeilB@earthling.net>
7068 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7070 * final.c (final): Detect out of bounds array access to
7071 the insn_lengths array.
7073 2000-07-07 Kazu Hirata <kazu@hxi.com>
7075 * fold-const.c (fold): Fix a comment typo.
7077 2000-07-07 Neil Booth <NeilB@earthling.net>
7079 * cpp.texi: Update to new lexer.
7081 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7083 * tradcpp.c: New file.
7084 * tradcif.y: New file.
7085 * tradcif.c: New generated file.
7087 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7088 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7089 dependencies of C. Install tradcpp from install-common, in
7092 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7094 * cppinit.c: Include cppdefault.h. Refer to
7095 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7096 to GCC_INCLUDE_DIR and its length.
7097 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7098 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7099 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7101 (include_defaults_array): Move to cppdefault.c.
7103 * cppdefault.h: New file.
7104 * cppdefault.c: New file.
7106 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7107 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7108 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7111 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7113 * reload.c (push_reload): When seeing if can reuse a register,
7114 check extra registers against widest of INMODE and OUTMODE.
7116 2000-07-06 Neil Booth <NeilB@earthling.net>
7118 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7119 based on full length of predicate.
7121 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7123 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7124 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7126 2000-07-05 Kazu Hirata <kazu@hxi.com>
7128 * h8300-proto.h: Fix formatting.
7129 * h8300.c: Likewise.
7130 * h8300.h: Likewise.
7132 2000-07-05 Jim Wilson <wilson@cygnus.com>
7134 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7137 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7139 * invoke.texi: Fix minor typos
7140 * md.texi: Fix minor typos
7142 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7144 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7146 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7148 * cpplex.c: Don't include sys/mman.h.
7149 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7151 * cpplib.c: Include sys/mman.h and obstack.h.
7152 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7154 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7155 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7156 bother freeing if stack entries (they will be freed with their buffer).
7157 (do_endif): Free if stack entries from the buffer obstack.
7158 (push_conditional): Allocate if stack entries from the buffer obstack.
7160 (find_answer): Rename to _cpp_find_answer.
7161 (do_assert, do_unassert): Update.
7163 * cpphash.h: Update prototypes.
7164 (xobnew): New convenience macro.
7165 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
7167 (struct cpp_hashnode): Remove disabled field.
7169 * cppinit.c: Don't include hashtab.h or splay-tree.h.
7170 (report_missing_guard): Moved to cppfiles.c.
7171 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
7173 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
7174 cpp_cleanup_includes. Don't destroy hashtab or
7175 all_include_files here.
7176 (cpp_finish): Use _cpp_report_missing_guards.
7178 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
7179 (_cpp_init_include_table): Rename _cpp_init_includes.
7180 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
7182 * cppexp.c (parse_assertion): Update for new name of
7185 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
7187 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7189 * cpplib.c (do_ident): s/VSPACE/EOF/
7191 2000-07-05 Neil Booth <NeilB@earthling.net>
7193 * cpplex.c: Fix trigraph replacement within strings.
7195 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7197 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
7199 * xcoffout.c (assign_type_number): Constify.
7200 (xcoffout_source_file): Add static prototype. Don't needlessly
7201 cast away const-ness.
7203 2000-07-04 Jason Merrill <jason@redhat.com>
7205 * frame.h (frame_state): Move base_offset to end.
7207 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7209 * calls.c (emit_library_call_value_1): Revert previous change.
7211 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7213 * fix-header.c (struct partial_proto): Remove unnecessary fields.
7214 (recognized_extern, recognized_function, read_scan_file):
7215 Update for new scheme.
7216 (check_protection): It's still a multiple include guard even
7217 if it doesn't always trigger.
7218 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
7220 * scan.h: Declare struct cpp_token. Update prototypes.
7222 2000-07-03 Neil Booth <neilb@earthling.net>
7223 Zack Weinberg <zack@wolery.cumb.org>
7225 Complete overhaul of the lexer and macro expander.
7227 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
7228 arg, arglist, argdata, reflist, collect_objlike_expansion,
7229 collect_funlike_expansion, collect_params,
7230 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
7231 unsafe_chars, macarg, compare_defs, special_symbol,
7232 scan_arguments, stringify, funlike_macroexpand,
7233 _cpp_quote_string, monthnames): Delete.
7234 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
7235 _cpp_create_definition, _cpp_dump_definition,
7236 dump_hash_helper): Adjust.
7237 (find_param, count_params, parse_define, var_args_str,
7238 check_macro_redefinition, save_expansion): New.
7240 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
7241 parse_string, output_line_command, trigraph_replace,
7242 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
7243 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
7244 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
7245 _cpp_skip_rest_of_line): Modify.
7247 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
7248 find_position, null_warning, bump_column, expand_name_space,
7249 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
7250 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
7251 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
7252 _cpp_prescan): Delete.
7254 (dump_param_spelling, process_directive, lex_next,
7255 is_macro_disabled, stringify_arg, expand_context_stack,
7256 output_token, make_string_token, alloc_number_token,
7257 special_symbol, duplicate_token, maybe_paste_with_next,
7258 can_paste, prevent_macro_expansion, restore_macro_expansion,
7259 get_temp_token, release_temp_tokens, quote_string,
7260 token_names, token_spellings, _cpp_expand_name_space,
7261 _cpp_glue_header_name, _cpp_reserve_name_space,
7262 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
7263 placemarker_token, eof_token, cpp_context, macro_args,
7264 get_raw_token, parse_arg, parse_args, save_token,
7265 push_arg_context, push_macro_context, pop_context,
7266 do_pop_context, free_macro_args, _cpp_get_line,
7267 _cpp_run_directive): New.
7269 * cpplib.c (validate_else, parse_include, push_conditional,
7270 pass_thru_directive, read_line_number, parse_ifdef,
7271 detect_if_not_defined, _cpp_check_directive, do_define,
7272 do_undef, do_include, do_import, do_include_next, do_error,
7273 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
7274 top_pragmas, do_pragma_gcc, do_pragma_implementation,
7275 do_pragma_poison, do_pragma_system_header,
7276 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
7277 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
7278 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
7279 cpp_defined): Update for new scheme.
7280 (strtoul_for_line, get_define_node, dump_macro_name,
7281 _cpp_check_linemarker, _cpp_parse_assertion): New.
7282 (_cpp_handle_directive, do_pragma_default): Delete.
7284 * cpphash.h (struct predicate): Now struct answer.
7285 (enum spell_type, struct token_spelling, struct directive,
7286 directive_handler): New.
7287 Update prototypes. Remove unused macros.
7288 * cpplib.h: Update prototypes. Remove unused macros,
7289 structure definitions, and fields.
7291 * cpperror.c (print_containing_files, v_message): Adjust.
7292 * cppexp.c (parse_assertion, lex, parse_escape,
7293 _cpp_parse_expr): Adjust.
7294 * cppfiles.c (open_include_file, _cpp_execute_include,
7295 _cpp_compare_file_date, cpp_read_file, read_include_file):
7297 * cppinit.c (dump_special_to_buffer): Delete.
7298 (append_include_chain, merge_include_chains, cpp_reader_init,
7299 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
7300 cpp_finish, handle_option, print_help): Adjust.
7301 * cppmain.c (main): Adjust.
7303 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7305 * cppspec.c (lang_specific_driver): Use double quotes in error
7308 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7310 * calls.c (emit_library_call_value_1): Use valreg instead
7311 of hard_libcall_value.
7313 2000-07-03 Geoff Keating <geoffk@cygnus.com>
7315 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
7316 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
7317 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
7325 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
7326 mode instead of wider_mode is being used.
7328 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7330 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
7331 of 'r'. Use q_regs_operand.
7332 (andsi_1+2): Use q_regs_operand.
7334 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7336 * builtins.c (get_memory_rtx): Always put into alias set 0.
7338 2000-07-03 Nick Clifton <nickc@cygnus.com>
7340 * config/arm/arm.md: Fix post increment and pre increment
7341 peepholes so that they do not generate UNPREDICATBLE opcodes.
7342 (ie ones where the increment clobbers the source/destination).
7344 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
7346 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
7347 change too big for -mtiny-stack" a warning, if larger than 63.
7348 (out_set_stack_ptr): Change the logic so -mno-interrupts is
7349 always safe to use on possible future devices.
7350 (function_prologue): Write SPH before SPL, for consistency.
7351 If interrupt_func_p true, we know we have enabled interrupts.
7352 (avr_num_arg_regs): New function. Round up to even number of
7353 bytes if no -mpack-args or if calling a libgcc function.
7354 (function_arg, function_arg_advance): Use it.
7355 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
7356 Output "movw" if available.
7357 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
7358 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
7359 (asm_output_section_name): Add blanks for consistent output.
7360 (encode_section_info): Set TREE_READONLY for progmem data to
7361 avoid gas warnings about changed section attributes.
7362 (avr_hard_regno_mode_ok): Force non-QImode data to start in
7363 even numbered registers on devices with "movw".
7364 * config/avr/avr.h (MASK_*): Define bits for target_flags.
7365 (TARGET_SWITCHES): Mark help strings for translation.
7366 Add new -mpack-args and -menhanced switches.
7367 (TARGET_OPTIONS): Mark help strings for translation.
7368 (progmem_section): Add section attributes.
7369 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
7370 Output "movw" if available.
7371 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
7373 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
7374 call convention (arguments aligned on even registers).
7375 (_cleanup, _exit): Make weak symbols libc can override.
7377 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7379 * fp-bit.h: New file.
7381 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
7382 Comment #endif statements.
7383 (__thenan_sf, __thenan_df): Add missing braces around initializer.
7385 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
7387 * gcse.c (compute_pre_data): Compute ae_kill using other local
7388 properties instead of calling compute_ae_kill.
7390 * alias.c (init_alias_analysis): Do not call
7391 prologue_epilogue_contains until after reload has completed.
7393 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
7395 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
7396 (genrtl_finish_compound_stmt): Likewise.
7397 (genrtl_compound_stmt): Change to return void.
7399 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
7400 move code from here to ...
7401 (genrtl_compound_stmt): ... here.
7402 (genrtl_finish_compound_stmt): Remove.
7403 (expand_stmt): Add comment.
7405 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
7407 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
7410 2000-07-02 Jakub Jelinek <jakub@redhat.com>
7412 * cpplib.h (struct cpp_reader): New field include_depth.
7413 (struct cpp_printer): Rename last_bsd to last_id.
7414 * cppfiles.c (read_include_file): Bump include_depth.
7415 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
7416 (output_line_command): Output correct #line if a header
7417 is including itself and is not protected against multiple inclusion.
7418 Use include_depth instead of buffer_stack_depth, last_id instead of
7420 * cppinit.c (cpp_start_read): Initialize last_id instead of
7423 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
7425 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
7426 (c-semantics.o): New target.
7428 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
7429 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
7430 (genrtl_clear_out_block): Likewise.
7431 (genrtl_goto_stmt): Likewise.
7432 (genrtl_expr_stmt): Likewise.
7433 (genrtl_decl_stmt): Likewise.
7434 (genrtl_if_stmt): Likewise.
7435 (genrtl_while_stmt): Likewise.
7436 (genrtl_do_stmt): Likewise.
7437 (genrtl_return_stmt): Likewise.
7438 (genrtl_for_stmt): Likewise.
7439 (genrtl_break_stmt): Likewise.
7440 (genrtl_continue_stmt): Likewise.
7441 (genrtl_scope_stmt): Likewise.
7442 (genrtl_switch_stmt): Likewise.
7443 (genrtl_case_label): Likewise.
7444 (genrtl_begin_compound_stmt): Likewise.
7445 (gerntl_finish_compound_stmt): Likewise.
7446 (genrtl_compound_stmt): Likewise.
7447 (genrtl_asm_stmt): Likewise.
7448 (genrtl_decl_cleanup): Likewise.
7449 (DECL_ANON_UNION_ELEMS): Likewise.
7450 (emit_local_var): Likewise.
7451 (make_rtl_for_local_static): Likewise.
7452 (expand_cond): Likewise.
7453 (expand_stmt): Likewise.
7454 (c_expand_return): Likewise.
7455 (c_expand_start_case): Likewise.
7456 (do_case): Likewise.
7457 (COMPOUND_STMT_NO_SCOPE): Likewise.
7458 (c_expand_asm_operands): Likewise.
7459 (NEW_FOR_SCOPE_P): New macro.
7460 (expand_expr_stmt_fn): New type.
7462 (set_current_function_name_declared): Likewise.
7463 (current_function_name_declared): Likewise.
7464 (lang_expand_stmt): Likewise.
7465 (stmts_are_full_exprs_p): Likewise.
7466 (anon_aggr_type_p): Likewise.
7467 (lang_expand_expr_stmt): Likewise.
7468 (build_case_label): Likewise.
7470 * c-decl.c (lang_expand_expr_stmt): Initialize.
7471 (stmts_are_full_exprs_p): Define.
7472 (current_function_name_declared): Likewise.
7473 (do_case): Likewise.
7474 (lang_expand_stmt): Likewise.
7475 (set_current_function_name_declared): Likewise.
7476 (anon_aggr_type_p): Likewise.
7478 * c-semantics.c: New file.
7479 (expand_cond): Moved from cp/semantics.c.
7480 (genrtl_do_pushlevel): Likewise.
7481 (genrtl_clear_out_block): Likewise.
7482 (genrtl_goto_stmt): Likewise.
7483 (genrtl_expr_stmt): Likewise.
7484 (genrtl_decl_stmt): Likewise.
7485 (genrtl_if_stmt): Likewise.
7486 (genrtl_while_stmt): Likewise.
7487 (genrtl_do_stmt): Likewise.
7488 (genrtl_return_stmt): Likewise.
7489 (genrtl_for_stmt): Likewise.
7490 (genrtl_break_stmt): Likewise.
7491 (genrtl_continue_stmt): Likewise.
7492 (genrtl_scope_stmt): Likewise.
7493 (genrtl_switch_stmt): Likewise.
7494 (genrtl_case_label): Likewise.
7495 (genrtl_begin_compound_stmt): Likewise.
7496 (genrtl_finish_compound_stmt): Likewise.
7497 (genrtl_compound_stmt): Likewise.
7498 (genrtl_asm_stmt): Likewise.
7499 (genrtl_decl_cleanup): Likewise.
7500 (make_rtl_for_local_static): Moved from cp/decl.c.
7501 (emit_local_var): Likewise.
7502 (expand_stmt): Define.
7504 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
7505 (c_expand_return): Likewise.
7506 (c_expand_start_case): Likewise.
7508 2000-07-01 Richard Henderson <rth@cygnus.com>
7510 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
7511 with the low 13 bits set.
7512 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
7513 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
7514 of the low 13 bits into a CONST plus an adddi3.
7515 (load_symptr): Set RTX_UNCHANGING_P.
7517 See ChangeLog.3 for earlier changes.