1 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-common.c (check_format_info): Warn for a wide character string
4 used as a non-wide format argument.
6 2000-09-24 Joseph S. Myers <jsm28@cam.ac.uk>
8 * builtins.def (BUILT_IN_LLABS): Add.
9 * builtins.c (expand_builtin): Also abort on BUILT_IN_LLABS.
10 * c-common.c (c_common_nodes_builtins): Create builtin functions
11 __builtin_llabs, and plain llabs unless no_nonansi_builtins
13 (expand_tree_builtin): Handle BUILT_IN_LLABS.
15 Sat 23-Sep-2000 22:39:18 BST Neil Booth <NeilB@earthling.net>
17 * cpphash.h (CPP_RESERVE, CPP_PUTS_Q, CPP_PUTS, CPP_PUTC_Q,
18 CPP_PUTC, DUMMY_TOKEN, NO_DUMMY_TOKEN): Delete.
19 * cpplex.c (_cpp_expand_token_space, _cpp_init_toklist,
20 _cpp_free_toklist): No need to worry about extra dummy token
21 at the start of token lists any more.
22 (trigraph_ok): Only warn outside comments.
23 (skip_block_comment): Set and clear lexing_comment.
24 (skip_line_comment): Take a cpp_reader not cpp_buffer.
25 Set and clear lexing_comment.
26 (parse_number): Handle leading '.' indicated by pfile->seen_dot.
27 (check_long_token): Delete.
28 (lex_percent, lex_dot): New subroutines of lex_token to
29 handle lexing of '.' and '%' without lookback.
30 (lex_token): Use lex_dot and lex_percent.
31 (lex_line): Don't check for LIST_OFFSET.
32 (_cpp_init_input_buffer): Update for new _cpp_init_toklist.
33 * cpplib.c (_cpp_parse_assertion): Similarly.
34 (cpp_push_buffer): Initialize extra_char.
35 * cpplib.h (LIST_OFFSET): Delete.
36 (struct cpp_buffer): New member extra_char.
37 (struct lexer_state): New members lexing_comment and seen_dot.
39 2000-09-23 Jason Merrill <jason@redhat.com>
41 * config/rs6000/x-aix41 (CLIB): Define here.
42 * config/rs6000/t-aix43: Not here.
43 * config/rs6000/t-aix41: Or here. Remove.
44 * configure.in: Don't use it.
46 2000-09-22 Jason Merrill <jason@redhat.com>
48 * configure.in: Add test for HAVE_LD_DWARF_LINKONCE.
49 * toplev.c: Use it to initialize flag_eliminate_dwarf2dups.
50 * config.in: Regenerate.
52 * configure.in: Fix checks for assembler features when using a
53 one-tree assembler that has not yet been built.
54 Fix --disable-threads.
56 2000-09-19 Geoff Keating <geoffk@cygnus.com>
58 * stmt.c (expand_asm_operands): Allow # in constraints.
60 2000-09-22 Jason Merrill <jason@redhat.com>
62 * c-lex.c (skip_white_space): Just treat CRs as horizontal whitespace.
64 * dbxout.c (dbxout_symbol_name): Just use DECL_NAME for
67 2000-09-22 Brad Lucier <lucier@math.purdue.edu>
68 Mark Mitchell <mark@codesourcery.com>
70 * toplev.c (warn_disabled_optimization): Declare new warning flag.
71 * flags.h (warn_disabled_optimization): Add it here.
72 * gcse.c (gcse_main): Add warning when disabled.
73 * invoke.texi: Document -Wdisabled-optimization.
75 2000-09-21 Jason Merrill <jason@redhat.com>
77 * dwarf2out.c (add_const_value_attribute): Multiply by length, not 4.
79 * dwarf2out.c (tree_add_const_value_attribute): New fn.
80 (gen_variable_die): Call it for non-definitions.
82 * dwarf2out.c (die_struct): Add die_mark field.
83 (mark_dies, unmark_dies): New fns.
84 (clear_die_sizes): Remove.
85 (print_die): Check die_symbol rather than die_offset.
86 (build_abbrev_table, output_pubnames, output_aranges): Check
87 die_mark rather than die_offset.
88 (output_comp_unit): Move calc_die_sizes after build_abbrev_table.
91 Thu 21-Sep-2000 18:19:05 BST Neil Booth <NeilB@earthling.net>
93 * cppfiles.c (lookup_include_file): Rename to open_file.
94 Always create a splay tree value, even on syscall failures.
95 Negative entries indicated by fd == -2.
96 Re-open files closed in the meantime.
97 (_cpp_fake_include): Create a negative splay tree entry.
98 (find_include_file, cpp_read_file): Update for function name
100 * gcc.gd/cpp/mi4.c: Testcase.
102 2000-09-21 Nick Clifton <nickc@redhat.com>
104 * config/arm/t-arm-elf (MULTILIB_DIRNAMES): Enable multilibs for
107 * config/mcore/mcore.c: Fix compile time warnings.
108 * config/mcore/mcore-protos.h: Fix compile time warnings.
110 2000-09-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
112 * configure.in: Correct test of gcc_cv_glibc.
113 * configure: Rebuilt.
114 * config.in: Rebuilt.
116 2000-09-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
118 * builtins.c (expand_builtin_fputs): Also expand when length!=1.
119 (expand_builtin): Handle BUILT_IN_FWRITE.
121 * builtins.def (BUILT_IN_FWRITE): New entry.
123 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_fwrite.
125 Wed Sep 20 15:39:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
127 * gcc.c (modify_target): New variable and struct.
128 (process_command): Handle MODIFY_TARGET_NAME.
129 * tm.texi (MODIFY_TARGET_NAME): Add documentation for new macro.
130 * config/pa/pa.h (MODIFY_TARGET_NAME): New macro.
132 * c-decl.c (finish_decl): Add else's to avoid referencing
133 TYPE_DOMAIN of an ERROR_MARK.
135 Wed Sep 20 21:44:31 2000 Denis Chertykov <denisc@overta.ru>
137 * config/avr/avr.c (adjust_insn_length): Adjust lengths of
140 2000-09-19 Marek Michalkiewicz <marekm@linux.org.pl>
142 * config/avr/avr.md (neghi2): Add alternative for input and output
143 operands in different registers, as in negsi2.
144 (*negsi2): Remove '*' from the name. Use "movw" if available.
146 2000-09-19 Jim Wilson <wilson@cygnus.com>
148 * config/ia64/crtbegin.asm (__dso_handle): Delete use of
149 HAVE_GAS_HIDDEN macro.
151 Tue 19-Sep-2000 22:38:57 BST Neil Booth <NeilB@earthling.net>
153 * cpplex.c (lex_line): Drop the EOF token for unknown
154 directives in assembler.
156 2000-09-19 David Edelsohn <edelsohn@gnu.org>
158 * configure.in: Allow enable_threads_flag value of "aix". Define
159 thread_file as "aix" for AIX 4.3 and above.
160 * configure: Regenerated.
162 * gthr-aix.h: New file.
164 * rs6000/t-aix43: Replace soft-float multilib with pthread.
165 Remove 403 processor multilib match. Fix rios2 processor multilib
168 * rs6000/aix.h (ASM_DECLARE_FUNCTION_NAME): Use function_section
169 to return to appropriate csect.
171 2000-09-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
173 * builtins.c (is_valid_printf_arglist, expand_builtin_printf): New
175 (expand_builtin_fputs): Set `target' parameter for `expand_expr'.
176 (expand_builtin): Handle BUILT_IN_PUTCHAR, BUILT_IN_PUTS and
179 * builtins.def (BUILT_IN_PUTCHAR, BUILT_IN_PUTS, BUILT_IN_PRINTF):
182 * c-common.c (init_function_format_info): Handle __builtin_printf.
183 Set `check_function_format_ptr'.
184 (c_common_nodes_and_builtins): Set `puts_ftype' and
185 `printf_ftype'. Declare __builtin_putchar, __builtin_puts,
186 __builtin_printf and printf.
188 * tree.c, tree.h (check_function_format_ptr): Declare.
190 Tue 19-Sep-2000 18:26:57 BST Neil Booth <NeilB@earthling.net>
192 * cppfiles.c (read_include_file): Take no special action for
195 2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
197 * final.c (insn_current_reference_address): Use INSN_SHUID of seq
198 rather than that of branch.
199 (shorten_branches): Don't increment insn_current_address twice.
201 Undo most of the Wed Jan 27 23:39:53 1999 patch:
202 * loop.h (struct induction): Delete members derived, ix and last_use.
203 (struct loop_ivs): Delete members first_increment_giv and
205 * loop.c (verify_dominator, find_life_end, cmp_recombine_givs_stats,
206 recombine_givs): Delete functions.
207 (find_and_verify_loops): Don't initialize cont_dominator.
208 (strength_reduce): Lose code to try to find bivs that can be
209 expressed as givs of another biv, and to convert biv increments
211 Lose loop_scan_start variable, always use loop->scan_start.
212 Don't call recombine_givs. Don't handle derived givs.
213 (record_giv): Don't initialize derived and last_use fields.
214 (biv_eliminiation_giv_has_0_offset): Lose code to handle derived
216 * unroll.c (derived_regs): Delete static variable.
217 (unroll_loop): Don't initialize it.
218 (copy_loop_body): Lose code to handle derived givs.
219 (find_splittable_givs): Don't check for givs made from biv
221 Don't set derived_regs.
223 Fix misapplied earlier patch:
224 * config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
226 (floatsisf2): Generate floatsisf_ie by default.
227 (floatsisf_i4): Conditional on TARGET_SH4.
229 (floatsisf2, floatsidf2, extendsfdf2): Also use reg_no_subreg_operand
230 predicate for the expanders.
232 2000-09-19 Richard Henderson <rth@cygnus.com>
234 * config/i386/i386.h (CPP_CPU_SPEC): Define i586 and i686 symbols
235 in addition to pentium and pentiumpro symbols.
236 (CPP_CPU_DEFAULT_SPEC): Likewise.
238 * c-typeck.c (c_expand_asm_operands): Restore the output tree
241 * stmt.c (expand_expr_stmt): Only call warn_if_unused_value
242 if the tree has side effects.
243 (warn_if_unused_value): Do not warn about void constructs.
245 * c-decl.c (poplevel): Invoke warn_about_unused_variables.
247 * unroll.c (copy_loop_body): Update LABEL_NUSES before
250 2000-09-18 Geoff Keating <geoffk@cygnus.com>
252 * combine.c (can_combine_p): Don't substitute an ASM_OPERANDS
255 2000-09-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
257 * Makefile.in (c-common.o): Depend on diagnostic.h.
259 * c-common.c: Include diagnostic.h.
261 (status_warning): New function.
262 (check_format_info, maybe_read_dollar_number, check_format_types,
263 finish_dollar_format_checking, check_function_format): Accept a
264 `status' parameter. All callers changed.
266 * c-common.h (check_function_format): Accept a `status' parameter.
268 * c-typeck.c: Update call to `check_function_format'.
270 2000-09-18 Richard Henderson <rth@cygnus.com>
272 * c-decl.c (c_expand_body): Call mark_varargs before
273 expand_function_start.
275 2000-09-18 Geoff Keating <geoffk@cygnus.com>
277 * config/rs6000/eabi-cn.asm: Use /**/ to delimit comments, not #.
278 * config/rs6000/eabi-ci.asm: Likewise.
280 2000-09-18 Richard Henderson <rth@cygnus.com>
282 * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx
285 2000-09-18 Jim Wilson <wilson@cygnus.com>
287 * unroll.c (loop_iterations): Pass increment to extend_for_giv_value
288 before passing it to fold_rtx_mult_add.
290 * unroll.c (final_giv_value): Pass increment through
291 extend_value_for_giv before passing it to emit_iv_add_mult.
293 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): If we have a
294 paradoxical subreg, then directly substitute the replacement and
297 Mon 18-Sep-2000 22:12:44 BST Neil Booth <NeilB@earthling.net>
299 * cpp.texi: Update documentation, including some clarifications,
300 the treatment of various newline combinations, and space between
301 backslash and newline.
303 Mon Sep 18 21:00:47 2000 J"orn Rennecke <amylaar@redhat.co.uk>
305 * sdbout.c (PUT_SDB_DEF, PUT_SDB_TAG, PUT_SDB_EPILOGUE_END):
306 Replace ASM_OUTPUT_LABELREF with assemble_name.
308 Mon Sep 18 20:26:50 2000 J"orn Rennecke <amylaar@redhat.co.uk>
310 * sh.c (addsubcosts): CONST is not cheap.
311 (find_barrier): For Sh1, take alignment after jumps into account.
313 2000-09-15 Andrew Haley <aph@redhat.com>
315 * toplev.c (rest_of_compilation): Call purge_hard_subreg_sets to
316 remove all SETs of SUBREGs of hard registers.
317 * function.c (purge_hard_subreg_sets): New function.
318 (purge_single_hard_subreg_set): New function.
319 * rtl.h: (purge_hard_subreg_sets): New function.
321 2000-09-18 Richard Henderson <rth@cygnus.com>
323 * config/ia64/ia64-protos.h: Update.
324 * config/ia64/ia64.c (signed_inequality_operator): New.
325 (ia64_expand_compare): New.
326 (ia64_register_move_cost): Handle PR_REGS moves.
327 (ia64_secondary_reload_class): Require a GR when moving to a PR.
328 (struct reg_write_state): Add written_by_and/or.
329 (struct reg_flags): Add is_and/or.
330 (rws_update): Set them.
331 (rws_access_regno): Test them to allow parallel comparisons.
332 (rtx_needs_barrier): Recognize parallel comparisons.
333 (emit_insn_group_barriers): Set prev_insn after a call stop bit.
334 Call recog_memoized; ignore pred_rel_mutex.
335 (emit_predicate_relation_info): Don't call find_basic_blocks here.
336 (ia64_reorg): Do it here instead.
337 * config/ia64/ia64.h: s/CCmode/BImode/g
338 (MODES_TIEABLE_P): Don't tie BImode.
339 (PREFERRED_RELOAD_CLASS): Do not reload operations into AR regs.
340 (CONST_COSTS): Pick sensible values for CONST_INT based on context.
341 (RTX_COSTS): Make multiply 4 insns.
342 (MEMORY_MOVE_COST): New.
343 (PREDICATE_CODES): Update.
344 * config/ia64/ia64.md: s/CCmode/BImode/g
345 (movcci, movbi): New.
346 (andbi3, andcmbi3, iorbi3, iorcmbi3, one_cmplbi2): New.
347 (cmpsi_and_0, cmpsi_and_1, cmpsi_andnot_0, cmpsi_andnot_1): New.
348 (cmpdi_and_0, cmpdi_and_1, cmpdi_andnot_0, cmpdi_andnot_1): New.
349 (tbit_and_0, tbit_and_1, tbit_and_2, tbit_and_3): New.
350 (cmpsi_or_0, cmpsi_or_1, cmpsi_orcm_0, cmpsi_orcm_1): New.
351 (cmpdi_or_0, cmpdi_or_1, cmpdi_orcm_0, cmpdi_orcm_1): New.
352 (tbit_or_0, tbit_or_1, tbit_or_2, tbit_or_3): New.
353 (mulsi, muldi): Use xmpy not xma.
355 (movcc, movcc_internal): Remove.
356 (branch expanders): Use ia64_expand_compare.
357 (setcc expanders): Likewise.
358 (cmov insns): Use move_operand and ia64_move_ok.
359 (pred_rel_mutex): Use unspec not unspec_volatile. Prevent the
360 scheduler from moving it past a use.
361 * config/ia64/build.hacks: Remove.
363 Mon 18-Sep-2000 19:21:35 BST Neil Booth <NeilB@earthling.net>
365 * cpphash.h (HASHSTEP): Take character rather than pointer
367 (_cpp_check_directive, _cpp_check_linemarker): Update prototypes.
369 * cpphash.c (cpp_loookup): Update for new HASHSTEP.
371 * cpplex.c (auto_expand_name_space, trigraph_replace,
372 backslash_start, handle_newline, parse_name, INIT_TOKEN_STR,
373 IMMED_TOKEN, PREV_TOKEN_TYPE, PUSH_TOKEN, REVISE_TOKEN,
374 BACKUP_TOKEN, BACKUP_TRIGRAPH, MIGHT_BE_DIRECTIVE,
375 KNOWN_DIRECTIVE): Delete.
377 (handle_newline, check_long_token, skip_escaped_newlines,
378 unterminated): New functions.
379 (ACCEPT_CHAR, SAVE_STATE, RESTORE_STATE): New macros.
381 (parse_identifier): Was parse_name, new implementation.
382 (skip_line_comment, skip_block_comment, skip_whitespace,
383 parse_number, parse_string, trigraph_ok, save_comment,
384 adjust_column, _cpp_get_line): New implementations.
386 (lex_token): New function. Lexes a token at a time, looking
387 forwards. Contains most of the guts of the old lex_line.
388 (lex_line): New implementation, using lex_token to obtain
390 (cpp_scan_buffer): Use the token's line, not the list's line.
392 * cpplib.c (_cpp_check_directive, _cpp_check_linemarker):
394 (do_assert): Don't bother setting the answer's list's line.
395 (cpp_push_buffer): Initialise new pfile and read_ahead members
396 of struct cpp_buffer.
398 * cpplib.h (cppchar_t): New typedef.
399 (struct cpp_buffer): read_ahead, pfile and col_adjust are
401 (struct lexer_state): New structure that determines the state
402 and behaviour of the lexer.
403 (IN_DIRECTIVE, KNOWN_DIRECTIVE): New macros.
404 (struct cpp_reader): New member "state". Rename
405 multiline_string_line and multiline_string_column. Delete
406 col_adjust, in_lex_line members.
407 (CPP_BUF_COLUMN): Update.
409 2000-09-18 Richard Henderson <rth@cygnus.com>
411 * combine.c (simplify_comparison): Shift a NOT out of a single
414 * combine.c (if_then_else_cond): Canonicalize BImode true to
416 * explow.c (trunc_int_for_mode): Likewise.
418 * combine.c (combine_simplify_rtx): Use gen_unary to distribute
419 the NOT for De Morgan's rule.
420 * simplify-rtx.c (simplify_unary_operation): Simplify a BImode NOT
421 of a comparison to the reverse comparison.
423 * combine.c (try_combine): Allow split to create a single insn.
425 * machmode.def: Add BImode. Add a column for bitsize.
426 * machmode.h (DEF_MACHMODE): Adjust for extra column.
427 (GET_MODE_BITSIZE): Use it.
428 * rtl.c (DEF_MACHMODE): Adjust for extra column.
430 (mode_mask_array): Use bitsize.
431 * combine.c (combine_simplify_rtx): Require inner and outer
432 modes to match on nonzero_bits optimizations.
434 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
436 * reload1.c (forget_old_reloads_1): If a hard reg is stored, clear
437 its entry in spill_reg_store.
438 * config/sh/lib1funcs.ams (movstr_i4 functions): Always compile in.
439 * sh.c (reg_no_subreg_operand): New function.
440 * sh-protos.h (reg_no_subreg_operand): Declare it.
441 * sh.h (PREDICATE_CODES): Add it.
442 * sh.md (floatsisf2_i4, floatsidf2_i, extendsfdf2_i4): Use it for
443 input operand that needs to be in fpul.
444 (fix_truncsfsi2, fix_truncsfsi2_i4): Use register_operand for output.
445 * sh.c (find_barrier): Take into account that machine_dependent_reorg
448 2000-09-18 Alexandre Oliva <aoliva@redhat.com>
450 * config/sh/sh.c (sh_expand_prologue): Mark GOTaddr2picreg as
452 (sh_expand_epilogue): Take the PIC register into account when
453 computing the frame size.
455 * config/sh/sh.c (nonpic_symbol_mentioned_p): Check LABEL_REFs.
456 * config/sh/sh.md (sym_label2reg, symPLT_label2reg): Protect
457 LABEL_REFs with a PIC-safe unspec.
459 2000-09-18 Will Cohen <wcohen@redhat.com>
461 * extend.texi (Zero Length): State that static initializers for
462 zero-length arrays are not allowed.
464 * c-typeck.c (process_init_element): Flag initializers for zero
467 * tree.c (integer_all_onesp): Ignore TREE_INT_CST_HIGH if prec is
468 exactly HOST_BITS_PERWIDE_INT.
470 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
472 * c-common.c (check_format_info): Properly save the argument
473 number and parameter for $ operand number formats in case width
474 and precision arguments are also used. Allow printf width and
475 precision arguments to have operand numbers even if none was
476 specified for the main format, since this is OK for %*.*m. Only
477 object to missing $ operand number if the format used requires an
480 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
482 * c-common.c (format_char_info): Add 'W' flag to comment.
483 (print_char_table, scan_char_table): Use it.
484 (check_format_info): Use the 'W' flag to determine whether a
485 format argument is written into.
487 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
489 * c-common.c (check_format_types): Reorganise and clean up,
490 checking earlier for ERROR_MARKs and making cur_type into its
491 TYPE_MAIN_VARIANT where convenient.
493 2000-09-18 Joseph S. Myers <jsm28@cam.ac.uk>
495 * gcc.c (cpp_options): Add specs for __STDC_HOSTED__.
497 2000-09-18 Bernd Schmidt <bernds@redhat.co.uk>
499 * optabs.c (emit_libcall_block): Set CONST_CALL_P for the call.
501 * i386-protos.h (ix86_init_builtins, ix86_expand_builtin): Declare.
502 * i386.c (struct builtin_description): New.
503 (bdesc_comi, bdesc_2arg, bdesc_1arg): New arrays.
504 (mmx_reg_operand): Declare MODE arg as unused.
505 (ix86_expand_sse_comi, ix86_expand_sse_compare, safe_vector_operand,
506 ix86_expand_unop1_builtin, ix86_expand_unop_builtin,
507 ix86_expand_binop_builtin, ix86_expand_store_builtin,
508 ix86_init_builtins, ix86_expand_builtin): New functions.
509 * i386.h (ix86_builtins): New enumeration.
510 (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): New macros.
511 * i386.md (attr length_immediate): 0 for mmx/sse types.
512 (attr prefix_0f): 1 for mmx/sse types.
513 (setcc_2): Remove "*" so we get gen_setcc_2.
514 (emms): Account for changed register numbering. Set "memory" attr
516 (sfence): Set "memory" attr to unknown.
518 2000-09-18 Andreas Jaeger <aj@suse.de>
520 * configure.in: Define _GNU_SOURCE only when using the GNU C
522 * configure: Regenerated.
523 * config.in: Regenerated.
525 2000-09-17 Mark Mitchell <mark@codesourcery.com>
527 * cppinit.c (cpp_init): Don't use ANSI prototypes.
528 * flow.c (flow_dump_loop): Likewise.
529 (flow_loops_dump): Likewise.
531 * c-typeck.c (c_start_case): Fix typo.
533 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
535 * c-decl.c (grokdeclarator): Don't give a warning about defaulting
536 to int for plain complex which defaults to complex double. Do
537 warn about defaulting to complex double if pedantic. Warn about
538 complex integer types if pedantic. Warn about complex types if
539 pedantic and not in C99 mode.
540 * c-typeck.c (build_unary_op): If pedantic, warn about use of ~
541 for complex conjugation.
543 2000-09-17 Joseph S. Myers <jsm28@cam.ac.uk>
545 * contrib.texi: Update my entry.
547 Sun Sep 17 18:48:32 2000 Denis Chertykov <denisc@overta.ru>
549 * config/avr/avr.md (mcu_enhanced): New attribute.
550 (mcu_mega): Likewise.
551 (extendhisi2): Use mcu_enhanced.
552 (zero_extendhisi2): Likewise.
553 (call_insn): Use mcu_enhanced and mcu_mega.
554 (call_value_insn): Likewise.
555 (*sbrx_branch): Use mcu_mega.
556 (*sbrx_and_branchsi): Likewise.
557 (*sbrx_and_branchhi): Likewise.
558 (*tablejump_lib): Likewise.
560 Sun Sep 17 10:46:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
562 * alias.c (true_dependence): Allow non-unchanging read to conflict
563 with unchanging write.
565 * expr.c (store_constructor_field): Accept ALIAS_SET arg.
566 (store_constructor): Pass alias_set to it.
568 * c-decl.c (grokdeclarator): Reorder tests to avoid looking at
569 TYPE_MAIN_VARIANT of ERROR_MARK.
570 * c-lex.c (readescape): Avoid using printf syntax we don't recognize.
572 * simplify-rtx.c (simplify_unary_operation): Add cases
573 FLOAT_EXTEND and FLOAT_TRUNCATE to ones that return 0.
575 2000-09-17 Bernd Schmidt <bernds@redhat.co.uk>
577 * expr.h (emit_library_call, emit_library_call_value): Delete
579 * rtl.h (enum libcall_type): New.
580 (emit_library_call, emit_library_call_value): Change fn_type arg to
581 be of type enum libcall_type.
582 * calls.c: Likewise for the function definitions. Several callers
583 throughout changed to use the new enumeration appropriately.
584 (emit_library_call_value_1): Likewise. Put back code to make libcall
585 blocks of equal form, but only use it for the two new higher
588 2000-09-16 Mark Mitchell <mark@codesourcery.com>
590 Convert the C front-end to use function-at-a-time mode.
591 * c-common.h: Include splay-tree.h.
592 (C_DECLARED_LABEL_FLAG): New macro.
593 (struct language_function): Add x_scope_stmt_stack and
594 x_function_name_declared_p.
595 (RECHAIN_STMTS): Move definition.
596 (lang_statment_code_p): Likewise.
597 (lang_expand_stmt): Likewise.
598 (lang_expand_decl_stmt): New variable.
599 (lang_expand_function_end): Likewise.
600 (current_scope_stmt_stack): New function.
601 (add_decl_stmt): Likewise.
602 (add_scope_stmt): Likewise.
603 (mark_stmt_tree): Likewise.
604 (struct c_lang_decl): New structure.
605 (DECL_SAVED_TREE): Define.
606 (c_mark_lang_decl): New function.
607 (c_expand_start_cond): Change prototype.
608 (c_finish_then): New function.
609 (c_finish_else): Likewise.
610 (current_function_name_declared): Remove.
611 (set_current_function_name_declared): Likewise.
612 (mark_c_language_function): Declare.
613 (case_compare): Likewise.
614 (c_add_case_label): Likewise.
615 (c_expand_expr): Likewise.
616 (c_safe_from_p): Likewise.
617 * c-common.c (lang_expand_function_end): New variable.
618 (struct if_elt): Add if_stmt.
619 (c_expand_start_cond): Add the if-statement to the statement-tree,
620 rather than generating RTL.
621 (c_finish_then): New function.
622 (c_expand_start_else): Don't generate RTL.
623 (c_finish_else): New function.
624 (c_expand_expr_stmt): Don't generate RTL.
625 (statement_code_p): Add SCOPE_STMT.
626 (case_compare): New function.
627 (c_add_case_label): Likewise.
628 (mark_stmt_tree): Likewise.
629 (c_mark_lang_decl): Likewise.
630 (mark_c_language_function): Likewise.
631 (c_expand_expr): Likewise.
632 (c_safe_from_p): Likewise.
633 * c-decl.c (c_stmt_tree): New variable
634 (c_scope_stmt_stack): Likewise.
635 (c_function_name_declared_p): Likewise.
636 (lang_expand_expr_stmt): Remove.
637 (poplevel): Don't call output_inline_function for nested
639 (pushdecl): Don't set DECL_CONTEXT for a local declaration of an
641 (redeclaration_error_message): Change means of computing whether
642 or not a function is nested.
643 (lookup_label): Don't call label_rtx.
644 (init_decl_processing): Add more GC roots.
645 (start_decl): Add DECL_STMTs to the statement-tree, rather than
646 calling rest_of_decl_compilation.
647 (finish_decl): Don't call expand_decl.
648 (store_parm_decls): Begin the statement-tree, but don't generate
650 (finish_function): Tie off the statement-tree. Call c_expand_body
652 (c_expand_body): New function.
653 (push_c_function_context): Save more information.
654 (pop_c_function_contxt): Likewise.
655 (copy_lang_decl): Now that we use DECL_LANG_SPECIFIC, copy it.
656 (lang_mark_tree): Mark it.
657 (current_stmt_tree): Adjust.
658 (current_scope_stmt_stack): New function.
660 (set_current_name_declared): Likewise.
661 (c_begin_compound_stmt): Define.
662 (c_expand_decl_stmt): Likewise.
663 * c-lang.c: Include rtl.h and expr.h.
664 (lang_init): Set more language-specific hooks.
665 * c-lex.c: Include expr.h.
666 * c-parse.in: Changes throughout to add statements to the
667 statement-tree, rather than generating RTL after every statement.
668 * c-semantics.c (lang_expand_decl_stmt): Define.
669 (add_decl_stmt): New function.
670 (add_scope_stmt): Likewise.
671 (finish_stmt_tree): Tweak.
672 (genrtl_expr_stmt): Likewise.
673 (genrtl_decl_stmt): Handle local labels, and call
674 lang_expand_decl_stmt if required.
675 (genrtl_for_stmt): Fix line-number handling.
676 (genrtl_case_label): Handle cleanups.
677 (genrtl_asm_stmt): Don't call combine_strings.
678 (genrtl_compound_stmt): Simplify.
679 (expand_stmt): Handle SCOPE_STMTs.
680 * c-tree.h (struct lang_decl): New structure.
681 (C_DECLARED_LABEL_FLAG): Remove.
682 (c_begin_compound_stmt): Declare.
683 (c_expand_decl_stmt): Likewise.
684 (c_expand_start_case): Rename to c_start_case.
685 (c_finish_case): New function.
686 * c-typeck.c (start_init): Tweak setting of
687 constructor_incremental.
688 (c_expand_asm_operands): Tweak error-handling. Add to the
690 (c_expand_return): Add to the statement-tree.
691 (c_expand_start_case): Rename to ...
692 (c_start_case): ... this.
693 (struct c_switch): New type.
694 (switch_stack): New variable.
696 (c_finish_case): New function.
697 * dependence.c: Include expr.h.
698 (enum dependence_type): Change spelling of enumerals.
699 (check_node_dependence): Adjust.
700 * expr.h (lang_safe_from_p): Declare.
701 (safe_from_p): Likewise.
702 * expr.c (lang_safe_from_p): New variable.
703 (safe_from_p): Give it external linkage. Use lang_safe_from_p.
704 * stmt.c (expand_expr_stmt): Avoid clobberring of last_expr_type.
705 * toplev.c (rest_of_decl_compilation): Robustify.
706 * tree.c (contains_placeholder_p): Likewise.
707 * Makefile.in: Update dependencies.
708 * objc/objc-act.h: Adjust calculation of value for dummy_tree_code.
709 * objc/objc-act.c: Include rtl.h, expr.h, and c-common.h.
710 (objc_expand_function_end): New function.
711 (finish_method_def): Use it.
712 (init_objc): Initialize more language-specific hooks.
713 * objc/Make-lang.in: Update dependencies.
715 2000-09-16 Geoffrey Keating <geoffk@cygnus.com>
717 * configure.in: Define macros that affect features before
718 testing for features. Don't define _XOPEN_SOURCE.
719 * configure: Regenerated.
720 * config.in: Regenerated.
722 Sat Sep 16 19:42:50 EDT 2000 John Wehle (john@feith.com)
724 * rtlanal.c (rtx_varies_p): Volatile asms vary.
725 (rtx_unstable_p): Restructure code. Volatile asms
728 Sat Sep 16 14:35:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
730 * function.h (no_debugging_symbols): New field.
731 * integrate.c (save_for_inline): Renamed from save_for_inline_nocopy.
732 Initialize no_debugging_symbols.
733 (output_inline_function): Save and restore write_symbols and set from
734 no_debugging_symbols.
735 * toplev.c (rest_of_compilation): Call save_for_inline.
736 * tree.h: Update comment.
738 * stor-layout.c (place_field): Don't do anything if field or
739 its type are ERROR_MARK.
741 Sat Sep 16 19:14:00 2000 Laurynas Biveinis <lauras@softhome.net>
743 * cppfiles.c (purge_cache): Use munmap only if MMAP_THRESHOLD defined.
744 (read_include_file): Ensure inc->mmaped is initialized.
746 2000-09-16 Richard Henderson <rth@cygnus.com>
748 * cppiles.c (purge_cache): Use PTR not caddr_t.
750 2000-09-16 Hans-Peter Nilsson <hp@axis.com>
752 * gcc.c: In description for %{<S}, say the option removed is -S.
753 * invoke.texi (Spec Files): Ditto.
755 2000-09-16 Andreas Jaeger <aj@suse.de>
757 * configure.in: Always define _GNU_SOURCE to make interfaces
758 visible that were hidden by only defining _GNU_SOURCE.
759 * configure: Regenerated.
761 Sat 16-Sep-2000 08:13:45 BST Neil Booth <NeilB@earthling.net>
763 * cpplex.c (push_macro_context): Set an argument's level after
764 calling parse_args. We could loop infinitely otherwise.
766 2000-09-15 Tom Tromey <tromey@cygnus.com>
768 * configure, config.in: Rebuilt.
769 * configure.in: Check for iconv.h. Define _XOPEN_SOURCE.
771 2000-09-15 Greg McGary <greg@mcgary.org>
773 * cppmacro.c (check_trad_stringification): Check token
774 text pointers against limit before dereferencing.
776 2000-09-15 Joseph S. Myers <jsm28@cam.ac.uk>
778 * c-common.c (format_wanted_type): New structure.
779 (check_format_types): New function.
780 (check_format_info): Pass all checking of types of format
781 arguments, including width and precision arguments, to this new
784 2000-09-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
788 2000-09-15 Jakub Jelinek <jakub@redhat.com>
790 * config/alpha/alpha.c (override_options): ev6 cache latencies
791 from Richard Henderson. Don't allow -mmemory-latency=L0.
793 * config/alpha/alpha.h (TARGET_CPU_EV5, TARGET_CPU_EV6): Define.
794 (TARGET_OPTIONS): Add tune=.
795 (alpha_tune_string): Declare.
796 * config/alpha/alpha.c (override_options): Add cpu_table.
797 Use alpha_cpu_string first to set both alpha_cpu and target_flags
798 and then alpha_tune_string to set alpha_cpu only.
799 Replace tests for PROCESSOR_EV* with TARGET_CPU_EV* tests.
800 * config/alpha/elf.h (ASM_FILE_START): Likewise.
801 * config/alpha/osf.h (ASM_FILE_START): Likewise.
802 * config/alpha/openbsd.h (ASM_FILE_START): Likewise.
804 Fri Sep 15 19:45:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
806 * i386-protos.h (no_comparison_operator, uno_comparison_operator):
808 (ix86_comparison_operator, ix86_cc_mode): Declare
809 * i386.h (CCGC, CCGCO): New modes.
810 (SELECT_CC_MODE): Move offline to ....
811 * i386.c (ix86_cc_mode): .... here; use new modes.
812 (ix86_comparison_operator): New.
813 (fcmov_comparison_operator): Ensure proper mode.
814 (put_condition_mode): More sanity checking.
815 (ix86_match_ccmode): Handle new modes.
816 (ix86_expand_fp_compare): GEU requires CCmode.
817 (ix86_expand_strlensi_unroll_1): Use emit_cmp_and_jump_insn instead of
819 * i386.md (cmp?i_ccz_1): Remove
820 (cmp?i_ccno_1): Use ix86_match_ccmode.
821 (cmp?i_minus_1): New.
822 (cmpsi_1): New expander.
823 (cmpqi_ext_1): Use match_ccmode
824 (cmpqi_ext_3): New expander.
825 (cmpqi_ext_3_insn): Rename from cmpqi_ext_3.
826 (cmpqi_ext_4): Use match_ccmode.
827 (add?i_?): Use match_ccmode.
829 (test?i_ccz_1): Remove
831 (testsi_ccno_1, testqi_ccz_1, testqi_ext_ccno_0): New expander.
832 (testqi_ext_0): Use ix86_match_ccmode.
833 (*xorqi_cc_ext_1): Use ix86_match_ccmode.
834 (xorqi_cc_ext_1): New expander.
835 (shift patterns): Use CCGOCmode for all shifts except for sar.
836 (setcc_?, jcc_?, miv?icc_nic): Use ix86_comparison_operator.
837 (setcc_3, jcc_3, miv?icc_c): Remove.
839 2000-09-15 Will Cohen <wcohen@redhat.com>
841 * dwarf2out.c (add_const_value_attribute): Changed array into a
842 xmalloced object, so it exists after function exit.
843 (free_AT): Added case for dw_val_class_float to free allocated
846 2000-09-15 Kazu Hirata <kazu@hxi.com>
848 * config/i386/i386.md: Fix a comment typo.
849 * gcc.c: Fix formatting.
851 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
853 * optabs.c (emit_libcall_block): If target is a user variable,
854 copy to a temporary first.
855 * expr.c (convert_move): When generating a libcall, make a libcall
857 * calls.c (emit_library_call_value_1): Don't create a libcall
858 sequence here; our caller will in most cases do it.
860 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Handle moving T, MACL or
862 (SECONDARY_OUTPUT_RELOAD_CLASS): Similar case.
863 * sh.md (reload_outsf): Generate recognizable patterns for
865 (floatsisf2, floatsisf2_ie, floatsisf2_i4, fix_truncsfsi2,
866 fix_truncsfsi2_i4, fixsfsi, floatsidf2, floatsidf2_i, fix_truncdfsi2,
867 fix_truncdfsi2_i, extendsfdf2, extendsfdf2_i4, truncdfsf2,
868 truncdfsf2_i4): Change not to use explicit references to fpul.
869 (floatsisf2_ie): Remove USE of fpscr.
870 (floatsisf2): Change default expansion to match this.
871 (fix_truncsfsi2_i4_2, fix_truncdfsi2_i4 & splitters): Comment out
874 2000-09-15 Richard Henderson <rth@cygnus.com>
876 * expmed.c (store_bit_field): Consider naturally aligned
877 memory for direct reference.
879 2000-09-15 Richard Henderson <rth@cygnus.com>
881 * config/alpha/alpha.c (alpha_expand_unaligned_load): Force all
882 AND addresses into alias set 0.
883 (alpha_expand_unaligned_store): Likewise.
884 (alpha_expand_unaligned_load_words): Likewise.
885 (alpha_expand_unaligned_store_words): Likewise.
887 2000-09-15 Bernd Schmidt <bernds@redhat.co.uk>
889 * config/sh/sh.h (CPP_SPEC): For -m4-nofpu, define __SH4_NOFPU__.
890 * config/sh/lib1funcs.asm (movstr_i4): Also compile if __SH4_NOFPU__
892 * config/mips/mips.c (mips_va_arg): Args passed by reference have a
893 rsize of UNITS_PER_WORD.
895 Fri 15-Sep-2000 06:49:07 BST Neil Booth <NeilB@earthling.net>
897 * cpplex.c (ON_REST_ARG): Correct the test.
898 (maybe_paste_with_next): Duplicate a token that fail pasting,
899 and clear its PASTE_LEFT flag, so that nested pasting attempts
902 2000-09-14 Richard Henderson <rth@cygnus.com>
904 * calls.c (precompute_register_parameters): Use COSTS_N_INSNS, not 2.
905 * cse.c (rtx_cost): Likewise.
906 * optabls.c (expand_binop): Likewise.
907 (expand_twoval_binop, prepare_cmp_insn): Likewise.
908 * regclass.c (copy_cost): Likewise.
909 * reload1.c (reload_cse_move2add): Likewise.
911 2000-09-14 Joseph S. Myers <jsm28@cam.ac.uk>
913 * c-parse.in (reswords): Add _Complex.
915 2000-09-14 J. David Anglin <dave@hiauly1.hia.nrc.ca>
917 * gcc.1: Delete documentation for -undef preprocessor option.
919 2000-09-14 Alexandre Oliva <aoliva@redhat.com>
921 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
922 STARTFILE_SPEC, ENDFILE_SPEC): Remove define.
923 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
924 Remove undefine before config/elfos.h.
925 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Comment out.
927 2000-09-14 Kazu Hirata <kazu@hxi.com>
929 * invoke.texi (H8/300 Options): Add -ms2600.
930 * config/h8300.c (h8300_init_once): Output an error when -ms2600
932 * config/h8300.h (TARGET_MAC): New.
933 (TARGET_SWITCHES): Add -ms2600 and -mno-s2600.
934 (CONDITIONA_REGISTER_USAGE): Disable the mac register on any
935 machine other than H8/S2600.
936 * config/h8300.md: Accept mac instructions on the H8/S2600 instead
939 2000-09-14 Alexandre Oliva <aoliva@redhat.com>, Bernd Schmidt <bernds@redhat.co.uk>
941 * reload.c (find_reloads_address_1): Generate reloads for auto_inc
942 pseudos that refer to the original pseudos, not only to their
943 equivalent memory locations.
945 Thu Sep 14 12:10:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
947 * expr.c (expand_expr, case COMPONENT_EXPR): Copy memory attributes
950 * Makefile.in (LN): Remove duplicate definition.
952 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
955 * local-alloc.c (update_equiv_regs): If there is no REG_EQUAL note
956 on an insn and function_invariant_p returns nonzero for the source,
957 add a REG_EQUAL note.
959 Thu Sep 14 00:51:57 EDT 2000 John Wehle (john@feith.com)
961 * alias.c (memrefs_conflict_p): An ADDRESSOF doesn't
962 conflict with frame_pointer_rtx.
964 2000-09-13 Kazu Hirata <kazu@hxi.com>
966 * loop.c: Fix formatting.
969 2000-09-13 Richard Henderson <rth@cygnus.com>
971 * config/ia64/ia64.md (divsf3): New.
972 (divsf3_internal_lat, divsf3_internal_thr): New.
973 (divdf3, divdf3_internal_lat, divdf3_internal_thr): New.
974 (divtf3, divtf3_internal_lat, divtf3_internal_thr): New.
975 (adddf3_trunc, subdf3_trunc, muldf3_trunc): New.
976 (madddf4_trunc, msubdf4_trunc, nmuldf3_trunc): New.
977 (nmadddf4_alts, nmadddf4_trunc): New.
978 (addtf3_truncsf, addtf3_truncdf, subtf3_truncsf): New.
979 (subtf3_truncdf, multf3_truncsf, multf3_truncdf): New.
980 (multf3_truncsf_alts, multf3_truncdf_alts): New.
981 (maddtf4_truncsf, maddtf4_truncdf, maddtf4_alts_truncdf): New.
982 (msubtf4_truncsf, msubtf4_truncdf, nmultf3_truncsf): New.
983 (nmultf3_truncdf, nmaddtf4_truncsf, nmaddtf4_truncdf): New.
984 (nmaddtf4_truncdf_alts): New.
985 (recip_approx): Don't predicate.
987 2000-09-13 Richard Henderson <rth@cygnus.com>
989 * config/ia64/lib1funcs.asm (__divsf3): Protect fnorm.s with p6.
991 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
993 * flags.h (flag_dump_rtl_in_asm): Declare.
994 * toplev.c (flag_dump_rtl_in_asm): Define.
995 (decode_d_option): Set flag_dump_rtl_in_asm and flag_print_asm_name
997 * rtl.h (print_rtx_head): Declare.
998 * print-rtl.c (print_rtx_head): Define.
999 (print_rtx): Print the string pointed to by print_rtx_head
1000 at beginning of each dump line.
1001 (print_rtl): Likewise.
1002 (print_rtl_single): Likewise.
1003 * final.c (final_scan_insn): Dump the insn in the assembly
1005 * gcc.1: Document -dP option.
1006 * invoke.texi (Debugging Options): Likewise.
1008 2000-09-13 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1010 * md.texi (Machine Constraints): Document the 68HC11 constraints.
1011 * install.texi (Configurations): Document the 68HC11&68HC12 port.
1012 * invoke.texi (Option Summary, M68hc1x Options): Document the options.
1014 Tue Sep 12 13:51:13 2000 Denis Chertykov <denisc@overta.ru>
1016 * config/avr/avr.h (ASSEMBLER_DIALECT): New macro declared.
1017 * config/avr/avr.md (*movstrqi_insn): Cleanup output template.
1018 (*clrstrqi): Likewise.
1019 (xorhi3,xorsi3,absqi2): Likewise.
1020 (one_cmplhi2,one_cmplsi2): Likewise.
1021 (addsi3): Two stupid constraint alternatives removed.
1022 (extendhisi2): Use `movw' for enhanced avr cores.
1023 (zero_extendhisi2): Likewise.
1025 Wed Sep 13 02:31:23 EDT 2000 John Wehle (john@feith.com)
1027 * alias.c (find_base_term): Use frame_pointer_rtx
1028 when handling an ADDRESSOF.
1030 * cse.c (canon_hash): Handle USE of BLKmode memory.
1031 (cse_insn): Outgoing arguments for a libcall don't
1032 affect any recorded expressions.
1034 2000-09-12 Tom Tromey <tromey@cygnus.com>
1036 * configure, config.in: Rebuilt.
1037 * configure.in: Check for iconv, nl_langinfo, langinfo.h.
1039 2000-09-12 Jakub Jelinek <jakub@redhat.com>
1041 * c-lex.c (lex_string): Use charwidth to compute bytemask.
1042 * expr.c (expand_expr): Don't optimize constant array references
1043 initialized with wide string constants.
1045 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1047 * loop.c (note_set_pseudo_multiple_uses): Correct.
1049 2000-09-12 Jim Wilson <wilson@cygnus.com>
1051 * ifcvt.c (noce_process_if_block): If A and B are the same, and no
1052 else block, and X has side-effects, then fail.
1054 2000-09-12 Greg McGary <greg@mcgary.org>
1056 * config/mips/mips-protos.h
1057 (trap_cmp_op, mips_gen_conditional_trap): New func decls.
1058 * config/mips/mips.h (ISA_HAS_COND_TRAP): New macro.
1059 (PREDICATE_CODES): Add "trap_cmp_op".
1060 * config/mips/mips.c
1061 (trap_cmp_op, mips_gen_conditional_trap): New functions.
1062 * config/mips/mips.md (trap, conditional_trap): New patterns.
1064 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1066 * flow.c (try_pre_increment_1): Don't do anything to sets of the stack
1069 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1071 * builtins.c (built_in_decls): New array.
1072 (expand_builtin_fputs): New function.
1073 (expand_builtin): Handle BUILT_IN_FPUTC and BUILT_IN_FPUTS.
1075 * builtins.def (BUILT_IN_FPUTC, BUILT_IN_FPUTS): New members.
1077 * c-common.c (c_common_nodes_and_builtins): Handle fputc/fputs.
1079 * tree.h (built_in_decls): New array.
1081 Tue Sep 12 08:53:57 2000 Jeffrey A Law (law@cygnus.com)
1083 * convex.md: Use "+" instead of "=" for outputs wrapped in a
1085 * i370.md, i386.md, ns32k.md, sh.md, vax.md: Likewise.
1087 2000-09-12 Kazu Hirata <kazu@hxi.com>
1089 * haifa-sched.c: Fix formatting.
1091 * genattrtab.c: Fix formatting.
1093 * unroll.c: Fix formatting.
1095 2000-09-12 Bruce Korb <bkorb@gnu.org>
1097 * fixinc/fixfixes.c: make a type for the fix procedure & use it,
1098 remove obsolete code
1099 * fixinc/fixincl.c: Use PARAMS, not _P_. Add no-op default to switch.
1100 * fixinc/fixincl.tpl: make non-exported arrays static scope
1101 * fixinc/fixincl.x: regenerate
1102 * fixinc/fixlib.h: Use PARAMS, not _P_
1103 * fixinc/fixtests.c: make a type for the test proc & use it
1104 * fixinc/server.h: Use PARAMS, not _P_
1106 2000-09-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1108 * c-typeck.c (process_init_element): Avoid union init warnings on
1109 floating point zero. Don't crash on unions containing structs.
1111 2000-09-12 Alexandre Oliva <aoliva@redhat.com>
1113 * config/sh/sh.h (PREDICATE_CODES): Add CONST_DOUBLE to
1114 general_movsrc_operand, and remove CONST_INT from
1115 general_movdst_operand.
1117 2000-09-12 Bernd Schmidt <bernds@redhat.co.uk>
1119 * cse.c (approx_reg_cost): If SMALL_REGISTER_CLASSES, return INT_MAX
1120 if a reference to non-fixed hardreg is seen. Otherwise, count hard
1121 regs with a higher cost.
1122 (preferrable): Deal with cases where either cost or regcost is
1124 (cse_insn): Use MAX_COST rather than 10000. Always initialize
1126 (COSTS_N_INSNS): Move definition...
1128 (MAX_COST): New macro.
1129 * loop.c (init_loop): Use COSTS_N_INSNS macro instead of hardcoded
1132 2000-09-11 Mark Mitchell <mark@codesourcery.com>
1134 * c-common.h (genrtl_clear_out_block): Remove.
1135 * c-semantics.c (genrtl_clear_out_block): Remove.
1136 (genrtl_while_stmt): Don't call it.
1137 (genrtl_for_stmt): Likewise.
1139 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1141 * cppfiles.c: Move all default-#defines to top of file.
1142 (open_include_file): Replace by lookup_include_file.
1143 (read_with_read, read_file): Merged into read_include_file.
1144 (stack_include_file, purge_cache): New functions.
1145 (close_cached_fd): Delete.
1146 (lookup_include_file, read_include_file, _cpp_pop_file_buffer):
1147 Cache the in-memory buffer, not the file descriptor.
1149 * cpphash.h (struct include_file): Add buffer, st, refcnt,
1151 (xcnew): New utility macro.
1152 (DO_NOT_REREAD, NEVER_REREAD): Move up by struct include_file.
1153 * cpplib.h (struct cpp_buffer): Remove mapped field.
1155 2000-09-11 Zack Weinberg <zack@wolery.cumb.org>
1157 * cpplex.c (parse_string): Accept backslash space newline as a
1159 (lex_line): Likewise.
1160 (_cpp_get_token): Remove hard limit on macro nesting.
1162 2000-09-12 Philipp Thomas <pthomas@suse.de>
1164 * aclocal.m4 (AM_WITH_NLS): Don't force use of included gettext.
1165 * configure: Rebuilt.
1167 2000-09-13 Michael Hayes <mhayes@cygnus.com>
1169 * flow.c (split_block): Fix update of registers live at
1172 Tue Sep 12 01:51:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1174 * i386.md (add?i_3, add?i_5): New.
1175 (add?i_4): Rename from add?i_3; Fix compare pattern.
1176 (sub?i_3, xor?i_3, ior?i_3): New.
1178 * genrecog.c (write_tree): Output code to clear insn_extract cache.
1179 * genattrtab.c (write_attr_case): Gen call to extract_insn_cache
1180 instead of extract_insn and extract_constrain_insn_cache instead of
1181 extract_insn and constrain_operands.
1182 * recog.c (extract_insn_cached, extract_constrain_insn_cached):
1184 (extract_insn): Clear which_alternative.
1185 (constrain_operands): Set which_alternative to -1 when failed.
1186 * recog.h (extract_constrain_insn_cached, extract_insn_cached):
1189 2000-09-11 Matthew Hiller <hiller@redhat.com>
1191 * config/h8300/h8300.md (movstrictqi): Changed constraint modifier
1192 on operand 0 to '+'.
1193 (movstricthi): Likewise.
1195 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1197 * loop.h (LOOP_IVS): New macro.
1198 (REG_IV_TYPE, REG_IV_INFO): Add ivs argument.
1199 (struct loop_ivs): New.
1200 (struct loop_info): Add ivs field.
1201 (reg_iv_type, reg_iv_info): Delete prototype.
1202 (reg_biv_class, loop_iv_list): Likewise.
1203 * loop.c (record_biv, find_life_end): Pass loop argument.
1204 (reg_iv_type): Remove global array and use
1205 field in loop_regs structure within loop_ivs structure.
1206 (reg_iv_info, reg_biv_class, loop_iv_list): Likewise.
1207 (first_increment_giv, last_increment_giv): Use entry in
1209 (record_initial): Pass ivs pointer.
1210 * unroll.c (copy_loop_body, remap_split_bivs): Add loop argument.
1212 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1214 * loop.h (LOOP_REGS): New macro.
1215 (struct loop_regs): New.
1216 (struct loop_info): Add regs field.
1217 * loop.c (set_in_loop): Remove global array and store
1218 in loop_regs structure as part of loop_info structure.
1219 (n_times_set, may_not_optimize): Likewise.
1220 (reg_single_usage, moved_once): Likewise.
1221 (count_one_set): Add regs argument.
1222 (combine_movables, rtx_equal_for_loop_p, combine_givs): Likewise.
1223 (set_pseudo_multiple_uses): Pass regs pointer.
1225 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1227 * unroll.c (iteration_info): Subsume into loop_iterations.
1228 * loop.h (loop_info): New field iv.
1230 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1232 * basic-block.h (LOOP_TREE, LOOP_PRE_HEADER, LOOP_EDGES): New.
1233 (LOOP_EXITS_DOMS, LOOP_ALL): Likewise.
1234 (flow_loops_update): New prototype.
1235 (flow_loops_find): Add flags to prototype.
1236 (struct loop): Add `pre_header_root' and `pre_header_trace' fields.
1237 * flow.c (flow_loop_pre_header_scan): New.
1238 (flow_loop_dump): Dump pre-header root and trace and exit dominators.
1239 (flow_loop_free): Free pre-header root and trace and exit dominators.
1240 (flow_loops_find): New argument flags.
1241 (flow_loops_update): New function.
1242 * toplev.c (rest_of_compilation): Add flag argument to flow_loops_find.
1244 2000-09-12 Michael Hayes <mhayes@cygnus.com>
1246 * basic-block.h (split_block, update_bb_for_insn): New prototypes.
1247 * flow.c (split_block, update_bb_for_insn): New functions.
1249 2000-09-11 Richard Henderson <rth@cygnus.com>
1251 * cse.c (fold_rtx): Honor NO_FUNCTION_CSE.
1253 2000-09-11 Richard Henderson <rth@cygnus.com>
1255 * config/ia64/ia64-protos.h (fr_nonimmediate_operand): Declare.
1256 * config/ia64/ia64.c (fr_nonimmediate_operand): New.
1257 (ia64_override_options): Prevent optimizing division for both
1258 latency and throughput.
1259 (rtx_needs_barrier): Handle frcpa.
1260 * config/ia64/ia64.h (MASK_INLINE_DIV_LAT): New.
1261 (MASK_INLINE_DIV_THR, TARGET_INLINE_DIV_LAT): New.
1262 (TARGET_INLINE_DIV_THR, TARGET_INLINE_DIV): New.
1263 (TARGET_SWITCHES): Add -minline-divide-min-latency and
1264 -minline-divide-max-throughput.
1265 (PREDICATE_CODES): Update.
1266 * config/ia64/ia64.md (extendsidi2): Remove * from f case.
1267 (zero_extendsidi2): Likewise. Fix typo in f case insn.
1268 (extendsfdf2): Add cases for gr<->fr and fr<->mem.
1269 (extendsftf2): Likewise.
1270 (extenddftf2): Likewise.
1271 (fix_trunctfdi2_alts): New.
1272 (fixuns_trunctfdi2_alts): New.
1273 (madd*4): Rename from madd*3.
1274 (divsi3, modsi3, udivsi3, umodsi3): New.
1275 (divsi3_internal): New.
1276 (divdi3, moddi3, udivdi3, umoddi3): New.
1277 (divdi3_internal_lat, divdi3_internal_thr): New.
1278 (multf3_alts, maddtf4_alts, nmaddtf4_alts): New.
1279 (recip_approx): New.
1281 2000-09-11 Alexandre Oliva <aoliva@redhat.com>
1283 * print-rtl.c (debug_call_placeholder_verbose): New variable.
1284 (print_rtx) [CALL_PLACEHOLDER]: Dump all call sequences if it is
1286 * integrate.c (copy_rtx_and_substitute): Don't share
1287 LEAF_REG_REMAPpable registers with the inlined function. Don't
1288 share the function value with calling sequences.
1290 2000-09-11 Jakub Jelinek <jakub@redhat.com>
1292 * c-decl.c (do_case): Fix a typo.
1294 * combine.c (simplify_if_then_else): Don't convert a == b ? b : a
1295 to a if the comparison is floating mode and not -ffast-math.
1296 * simplify-rtx.c (simplify_ternary_operation): Likewise.
1298 Mon Sep 11 20:07:48 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1300 * sh.h (INITIALIZE_TRAMPOLINE): Remove stray call to
1301 gen_ic_invalidate_line.
1303 2000-09-11 Philip Blundell <pb@futuretv.com>
1305 * config/arm/elf.h (SUBTARGET_CPP_SPEC): Don't define `arm_elf'.
1307 Mon Sep 11 10:48:41 2000 Ulrich Drepper <drepper@redhat.com>
1309 * install.texi (LANGUAGES): Update to include new languages.
1312 2000-09-11 DJ Delorie <dj@redhat.com>
1314 * gcc.c (main): Don't warn about unused -B prefixes
1315 (unused_prefix_warnings): remove
1317 2000-09-11 Kazu Hirata <kazu@hxi.com>
1319 * final.c: Fix formatting.
1321 * integrate.c: Fix formatting.
1323 2000-09-11 Geoff Keating <geoffk@cygnus.com>
1325 * alias.c (memrefs_conflict_p): An ADDRESSOF does conflict, sorry.
1327 2000-09-11 Bernd Schmidt <bernds@redhat.co.uk>
1329 * reload.c (regno_clobbered_p): Fix thinko in previous change.
1331 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1333 * gcc.1: Document 68hc11 specific options.
1335 2000-09-10 Geoff Keating <geoffk@cygnus.com>
1337 * config/rs6000/sysv4.h (MASK_LONG_DOUBLE_128): Define.
1338 (TARGET_LONG_DOUBLE_128): Define.
1339 (SUBTARGET_SWITCHES): Add -mlong-double-64 and -mlong-double-128.
1340 (LONG_DOUBLE_TYPE_SIZE): Redefine.
1341 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1342 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on definition
1343 of __LONG_DOUBLE_128__.
1344 (CPP_SYSV_SPEC): Define __LONG_DOUBLE_128__ if -mlong-double-128
1346 (CPP_LONGDOUBLE_DEFAULT_SPEC): Define.
1347 (CPP_SYSV_DEFAULT_SPEC): Define.
1348 (SUBTARGET_EXTRA_SPECS): Add cpp_longdouble_default.
1349 (INIT_TARGET_OPTABS): Define.
1351 * config/rs6000/aix.h (RS6000_ITRUNC): Moved from rs6000.h.
1352 (RS6000_UITRUNC): Likewise.
1353 (INIT_TARGET_OPTABS): New macro.
1354 * config/rs6000/rs6000.c (rs6000_trunc_used): Delete.
1355 (trunc_defined): Delete.
1356 (output_prolog): Don't output .extern definitions for fp->int
1357 conversion routines, ASM_OUTPUT_EXTERNAL_LIBCALL will do it.
1358 * config/rs6000/rs6000.h (rs6000_trunc_used): Delete.
1359 (trunc_defined): Delete.
1360 (RS6000_ITRUNC): Moved to aix.h.
1361 (RS6000_UITRUNC): Likewise.
1362 * config/rs6000/rs6000.md (fix_truncdfsi2): Fail if it would
1363 only emit a libcall.
1364 (fixuns_truncdfsi2): Delete.
1365 (trunc_call): Delete.
1366 (trunc_call_rtl): Delete.
1368 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1370 * varasm.c (make_decl_rtl): Restore leading star on
1371 DECL_ASSEMBLER_NAME set for decls with an asmspec.
1373 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1375 * c-pragma.c (handle_pragma_pack): Correct parsing logic so it
1376 won't give a spurious error for '#pragma pack()'. Simplify
1377 control flow for readability. 'reset' action is not necessary.
1379 2000-09-10 Zack Weinberg <zack@wolery.cumb.org>
1381 * defaults.h: Provide default definitions for: CHAR_TYPE_SIZE,
1382 SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE,
1383 LONG_LONG_TYPE_SIZE, WCHAR_TYPE_SIZE, FLOAT_TYPE_SIZE,
1384 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE, and WCHAR_UNSIGNED.
1386 * cppexp.c, dwarfout.c, dwarf2out.c, emit-rtl.c, final.c, optabs.c,
1387 profile.c, sdbout.c, tradcif.y, tree.c:
1388 Include defaults.h if not already included.
1389 Don't define the above macros.
1391 * Makefile.in: Update dependencies.
1393 2000-09-10 Mark Mitchell <mark@codesourcery.com>
1395 * c-common.h (add_stmt): Change prototype.
1396 (RECHAIN_STMTS): New macro.
1397 (CASE_LABEL_DECL): Likewise.
1398 (genrtl_case_label): Change prototype.
1399 (c_expand_start_case): Remove prototype.
1400 (build_case_label): Change prototype.
1401 (decl_constant_value): Declare.
1402 * c-common.c (check_case_value): Handle C++'s extensions to C
1404 * c-commnon.def (CASE_LABEL): Add room for the CASE_LABEL_DECL
1406 * c-parse.in (stmt): Adjust handling of return statements and case
1408 * c-semantics.c (add_stmt): Return the new statement.
1409 (genrtl_return_stmt): Take the RETURN_STMT as input, not the
1410 returned expression. Directly generate RTL, rather than calling
1412 (genrtl_switch_stmt): Don't call c_expand_start_case.
1413 (build_case_label): Take the LABEL_DECL as input, too.
1414 (genrtl_case_label): Just call add_case_node.
1415 (expand_stmt): Adjust calls to genrtl_return_stmt and
1417 * c-tree.h (c_expand_start_case): Declare.
1418 * c-typeck.c (decl_constant_value): Give it external linkage.
1419 (c_expand_return): Don't call expand_return or expand_null_return;
1420 use genrtl_return_stmt instead.
1421 * stmt.c (struct nesting): Remove num_ranges field.
1422 (add_case_node): Give it external linkage.
1423 (expand_start_case): Don't set num_ranges.
1424 (expand_start_case_dummy): Don't clear it.
1425 (pushcase): Rely on add_case_node to handle `default' labels.
1426 (add_case_node): Handle `default' labels.
1427 * tree.c (tree_int_cst_compare): New function.
1428 * tree.h (tree_int_cst_compare): Declare.
1429 (add_case_node): Likewise.
1431 2000-09-10 Richard Henderson <rth@cygnus.com>
1433 * c-parse.in: Revert last change.
1434 (init_reswords): Do not enter disabled keywords into the ridpointers
1435 table, modulo objc weirdness.
1436 (_yylex): Return the canonical spelling for a keyword.
1438 2000-09-10 Philip Blundell <philb@gnu.org>
1440 * config/arm/arm.h (CPP_ISA_SPEC): Don't define `arm' or `thumb'.
1441 * config/arm/linux-elf.h (CPP_PREDEFINES): Don't define `__arm__'.
1443 Sun Sep 10 14:30:28 EDT 2000 John Wehle (john@feith.com)
1445 * alias.c (find_base_term): Handle ADDRESSOF.
1446 (memrefs_conflict_p): An ADDRESSOF doesn't conflict.
1448 2000-09-10 Denis Chertykov <denisc@overta.ru>
1450 * genoutput.c (output_insn_data): Translate <NEWLINE> to \n\ while
1451 outputting templates with many lines.
1453 2000-09-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1455 * libgcc2.h: Use LONG_LONG_TYPE_SIZE instead of MIN_UNITS_PER_WORD
1456 to decide whether 64-bit support must be generated.
1458 2000-09-10 Richard Henderson <rth@cygnus.com>
1460 * c-parse.in (asm patterns): Fix volatile check.
1462 2000-09-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1464 * cppmacro.c (check_trad_stringification): New function.
1465 (save_expansion): If -Wtraditional, warn about stringification of
1468 2000-09-11 Michael Hayes <mhayes@cygnus.com>
1470 * loop.h (struct loop_mem_info): Move from loop.c
1471 (struct loop_info): Add fields store_mems, mems, mems_idx,
1472 mems_allocated, unknown_address_altered,
1473 unknown_constant_address_altered, num_mem_sets, and
1474 first_loop_store_insn.
1476 * loop.c (loop_store_mems): Replace with field in loop_info struct.
1477 (loop_mems, loop_mems_idx, loop_mems_allocated): Likewise.
1478 (unknown_address_altered, unknown_constant_address_altered): Likewise.
1479 (num_mem_sets): Likewise.
1480 (replace_loop_mems, replace_loop_regs): New.
1481 (struct loop_replace_args): New.
1482 (load_mems): Use replace_loop_mems.
1483 (try_copy_prop): Use replace_loop_regs.
1484 (replace_loop_reg, replace_loop_mem): Use loop_replace_args structure.
1486 2000-09-09 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1488 * configure.in: Recognize m6811-elf and m6812-elf.
1489 * configure: Regenerate.
1491 2000-09-09 Geoff Keating <geoffk@cygnus.com>
1493 * recog.c (validate_replace_rtx_1): Correct MODE parameter in call
1496 2000-09-10 Michael Hayes <mhayes@cygnus.com>
1498 * loop.c (struct movables): New.
1499 (num_movables): Move into struct movables.
1500 (the_movables): Change type to struct movables.
1501 (ignore_some_movables): Change struct movable arg to struct movables.
1502 (force_movables, combine_movables, regs_match_p): Likewise.
1503 (rtx_equal_for_loop_p, move_movables): Likewise.
1504 (scan_loop): Change movables to be of type struct movables.
1505 Replace last_movable with field in movables structure.
1507 2000-09-08 Zack Weinberg <zack@wolery.cumb.org>
1509 * c-pragma.c: Don't elide entire file if !HANDLE_GENERIC_PRAGMAS.
1510 (init_pragma): Avoid warning if pfile happens to be unused.
1511 * c-pragma.h: Never define HANDLE_GENERIC_PRAGMAS. Never
1512 define init_pragma to nothing. Always prototype
1513 init_pragma. Prototype dispatch_pragma if !USE_CPPLIB.
1515 * c-lex.c (process_directive): Always call dispatch_pragma.
1516 Initialize entering_c_header to 0.
1518 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1520 * config/m68hc11/m68hc11.md: New file, machine description for
1522 * config/m68hc11/m68hc11.h: New file, definitions for 68HC11 & 68HC12.
1523 * config/m68hc11/m68hc11.c: New file, functions for 68HC11 & 68HC12.
1524 * config/m68hc11/m68hc12.h: New file, definitions for 68HC12.
1525 * config/m68hc11/m68hc11-protos.h: New file.
1526 * config/m68hc11/m68hc11-crt0.S: New file, startup code.
1527 * config/m68hc11/t-m68hc11-gas: New file, makefile fragment.
1528 * config/m68hc11/xm-m68hc11.h: New file, target defs.
1529 * config/m68hc11/larith.asm: New file, libgcc routines.
1531 2000-09-08 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1533 * Makefile.in (DPBIT_FUNCS): Add _usi_to_df.
1534 (FPBIT_FUNCS): Add _usi_to_sf.
1535 * config/fp-bit.c (usi_to_float): New function.
1536 * config/fp-bit.h (L_usi_to_sf, L_usi_to_df): Define.
1537 (usi_to_float): Add appropriate #define.
1539 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1541 * i386-protos.h (sse_comparison_operator, mmx_reg_operand): Declare
1543 * i386.c (sse_comparison_operator, mmx_reg_operand): New functions.
1544 * i386.md (attr "type"): Add sse and mmx types.
1545 (attr "memory"): Handle them without a crash.
1546 (movsi_1, movdi_2): Allow MMX regs.
1547 (movdi splits): Don't split moves involving MMX regs.
1548 (setcc_4): Remove '*' from pattern name so we get a gen_setcc4.
1549 (movv4sf_internal, movv4si_internal, movv8qi_internal,
1550 movv4hi_internal, movv2si_internal, movv8qi, movv4hi, movv2si,
1551 movv4sf, movv4si, pushv4sf, pushv4si, pushv8qi, pushv4hi, pushv2si,
1552 sse_movaps, sse_movups, sse_movmskps, mmx_pmovmskb, mmx_maskmovq,
1553 sse_movntv4sf, sse_movntdi, sse_movhlps, sse_movlhps, sse_movhps,
1554 sse_movlps, sse_loadss, sse_movss, sse_storess, sse_shufps,
1555 addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, mulv4sf3, vmmulv4sf3,
1556 divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2, rsqrtv4sf2, vmrsqrtv4sf2,
1557 sqrtv4sf2, vmsqrtv4sf2, sse_andti3, sse_nandti3, sse_iorti3,
1558 sse_xorti3, maskcmpv4sf3, maskncmpv4sf3, vmmaskcmpv4sf3,
1559 vmmaskncmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
1560 smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
1561 cvttps2pi, cvtsi2ss, cvtss2si, cvttss2si, addv8qi3, addv4hi3,
1562 addv2si3, ssaddv8qi3, ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3,
1563 subv4hi3, subv2si3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
1564 mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
1565 mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3, mmx_uavgv8qi3,
1566 mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pextrw, mmx_pshufw,
1567 eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3, gtv2si3, umaxv8qi3,
1568 smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3, ashrv2si3, lshrv4hi3,
1569 lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3, mmx_ashldi3,
1570 mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
1571 mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
1572 mmx_punpckldq, emms, sfence, ldmxcsr, prefetch, stmxcsr, sse_clrti,
1573 mmx_clrdi): New patterns.
1575 2000-09-08 Richard Earnshaw <rearnsha@arm.com>
1577 * arm.c: Don't include tm.h directly.
1579 Fri Sep 8 14:34:56 MET DST 2000 Jan Hubicka <jh@suse.cz>
1581 * recog.c (validate_replace_rtx_1): Fix confusion about equality
1582 testing; simplify subregs of constants and nested subregs.
1584 2000-09-08 Alexandre Oliva <aoliva@redhat.com>
1586 * config/sh/sh.md (symPLT_label2reg): Use operand3 for PIC reg.
1588 2000-09-08 Bernd Schmidt <bernds@redhat.co.uk>
1590 * combine.c (combine_simplify_rtx): Try to simplify VEC_SELECT of a
1592 * rtl.texi (description of USE): Add note about possible pitfalls
1594 From Richard Henderson:
1595 * reload1.c (choose_reload_regs): Compute need_mode properly.
1597 2000-09-07 Richard Henderson <rth@cygnus.com>
1599 * config/ia64/lib1funcs.asm (__divsi3): Use .s1 for frcpa.
1600 (__modsi3, __umodsi3): Likewise.
1601 (__udivsi3): Likewise. Normalize the TFmode values.
1603 2000-09-07 Geoff Keating <geoffk@cygnus.com>
1605 * config/rs6000/sol-c0.c (_start): Declare `termfunc' parameter
1607 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Use cast to suppress
1610 Fri Sep 8 03:26:38 2000 J"orn Rennecke <amylaar@redhat.co.uk>
1612 * sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): Remove.
1613 (cmpeqdi_t): Add output pattern.
1614 (cmpeqdi_t+1): Don't split when not optimizing.
1615 Restore proper splitting operation.
1617 2000-09-07 Richard Henderson <rth@cygnus.com>
1619 * c-lex.c (process_directive): If not HANDLE_GENERIC_PRAGMAS,
1620 do not call dispatch_pragma.
1622 2000-09-07 Jim Wilson <wilson@cygnus.com>
1624 * reload.c (push_reload): Use CLASS_CANNOT_CHANGE_MODE_P in addition
1625 to CLASS_CANNOT_CHANGE_MODE.
1626 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE_P): True only if the
1627 mode classes are different.
1629 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1631 * cpplib.h (struct cpp_options): Add user_label_prefix member,
1632 left out of commit which removed cppulp.c.
1634 2000-09-07 Richard Henderson <rth@cygnus.com>
1636 * bb-reorder.c (fixup_reorder_chain): Add jump in new block
1637 after switch for CASE_DROPS_THROUGH.
1639 2000-09-07 Richard Henderson <rth@cygnus.com>
1641 * loop.c (strength_reduce): Call check_ext_dependant_givs.
1642 Properly extend the biv initial value for the giv.
1643 (record_biv): Zero ext_dependant.
1644 (record_giv): New argument ext_val. Update all callers.
1645 (general_induction_var): Likewise.
1646 (consec_sets_giv): Likewise.
1647 (simplify_giv_expr): Likewise. Fill in ext_val if we find
1648 a sign-extend, zero-extend, or truncate.
1649 (combine_givs_p): Make sure modes are compatible.
1650 (check_ext_dependant_givs): New.
1651 (extend_value_for_giv): New.
1652 * loop.h (struct induction): Add ext_dependant.
1653 * unroll.c (iteration_info): Extend the biv initial value for the giv.
1654 (find_splittable_givs): Likewise.
1655 (final_giv_value): Likewise.
1657 2000-09-07 Zack Weinberg <zack@wolery.cumb.org>
1659 * c-pragma.h: Define HANDLE_GENERIC_PRAGMAS if
1660 REGISTER_TARGET_PRAGMAS is defined. Duplicate some
1661 definitions from cpplib.h.
1662 * cpplib.h: Don't typedef struct cpp_reader if c-pragma.h has
1664 * tm.texi: Document HANDLE_PRAGMA as no longer supported. Add
1665 documentation for REGISTER_TARGET_PRAGMAS.
1667 * c-lex.c: Include cpplib.h before c-pragma.h. Define a
1668 default-pragma callback to implement -Wunknown-pragmas if
1670 * c-parse.in: Move all includes to top of file.
1671 * c-pragma.c: Include cpplib.h before c-pragma.h. Include
1673 (dispatch_pragma): Put the namespace in the -Wunknown-pragmas
1675 (init_pragma): If REGISTER_TARGET_PRAGMAS is defined, call it.
1677 * arm.h, arm-protos.h, arm.c,
1678 c4x.h, c4x-protos.h, c4x.c,
1679 h8300.h, h8300-protos.h, h8300.c,
1680 i370.h, i370-protos.h, i370.c,
1681 i960.h, i960-protos.h, i960.c,
1682 sh.h, sh-protos.h, sh.c,
1683 v850.h, v850-protos.h, v850.c: Convert HANDLE_PRAGMA-based
1684 pragmata scheme to use REGISTER_TARGET_PRAGMAS instead.
1686 * d30v.h: Don't mention HANDLE_PRAGMA in comment. Add
1687 multiple include guard.
1688 * i370.md (untyped_call): Use GEN_CALL.
1689 (umodsi3): Remove unused variable.
1690 * sh/elf.h: Don't undef HANDLE_SYSV_PRAGMA.
1691 * v850.c (output_move_single, output_move_double): Constify
1693 (print_operand): Constify a char *.
1694 * v850.h (struct small_memory_info): Constify name member.
1696 2000-09-07 Kazu Hirata <kazu@hxi.com>
1698 * config/h8300.h: Fix comment typos.
1699 * config/h8300/h8300.md: Likewise.
1700 * config/h8300/lib1funcs.asm: Likewise.
1702 Thu 07-Sep-2000 21:29:00 BST Neil Booth <NeilB@earthling.net>
1704 * Makefile.in: Remove references to cppulp.{c,o}.
1705 * cppinit.c (initialize_builtins, cpp_start_read,
1706 cpp_handle_option): Update to use cpp_options structure.
1709 2000-09-07 Joseph S. Myers <jsm28@cam.ac.uk>
1711 * c-common.c (time_char_table): Allow %#b and %#h.
1713 2000-09-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1715 * reorg.c (find_end_label): If the basic block reorder pass moves the
1716 return insn to some other place try to locate it again and put our
1717 end_of_function_label there.
1718 * reorg.c (relax_delay_slots): Check if find_end_label created a
1719 new label that invalidates the current optimazation.
1721 2000-09-07 Catherine Moore <clm@redhat.com>
1723 * unroll.c (unroll_loop): Check for unconditional jumps
1724 to loop continuation. Delete if n_iterations is 1.
1725 (ujump_to_loop_cont): New routine.
1727 2000-09-07 Bernd Schmidt <bernds@redhat.co.uk>
1729 * rtl.c (class_narrowest_mode): Add entries for MODE_VECTOR_INT and
1731 * reload.c (regno_clobbered_p): Accept new arg, MODE, and use it
1732 to handle multiword modes correctly. All callers and the declaration
1735 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1737 * c-common.h (prep_stmt): Declare.
1738 (lang_expand_stmt): Likewise.
1739 * c-decl.c (lang_expand_stmt): Remove.
1740 * c-semantics.c (lang_expand_stmt): Define.
1741 (prep_stmt): New function.
1742 (expand_stmt): Handle common statement types here.
1744 2000-09-07 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>, Alexandre Oliva <aoliva@redhat.com>
1746 * configure.in (sh-*-linux*): Added.
1747 * configure: Rebuilt.
1748 * config/sh/t-linux: New file.
1749 * config/sh/sh.h (USERMODE_BIT): Define.
1750 (TARGET_USERMODE): Likewise.
1751 (TARGET_SWITCHES): New switches for the bits above.
1752 (INITIALIZE_TRAMPOLINE): Call __ic_invalidate in USERMODE.
1753 * config/sh/linux.h: New file.
1754 * config/sh/lib1funcs.asm (GLOBAL): Don't prefix symbols with
1755 underscore on linux.
1756 (L_sdivsi3, L_udivsi3): Define for linux.
1757 (L_ic_invalidate): Define.
1758 * invoke.texi (SH Options): Document -musermode.
1760 2000-09-07 Alexandre Oliva <aoliva@redhat.com>
1762 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't disable function
1763 CSE unless generating PIC.
1765 * config/sh/sh.md (symPLT_label2reg): Force the initialization of
1768 2000-09-06 H.J. Lu (hjl@gnu.org)
1770 * Makefile.in (clean_s1): Depend on stage_b.
1771 (clean_s2): Depend on stage_d. Don't remove $(VOL_FILES) in
1772 stage2. They are used for "make compare".
1774 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1776 Move statement-tree facilities from C++ to C front-end.
1777 * c-common.h (c_tree_index): Add CTI_VOID_ZERO.
1778 (void_zero_node): New macro.
1779 (struct stmt_tree_s): New type.
1780 (stmt_tree): New typedef.
1781 (struct language_function): New type.
1782 (last_tree): New macro.
1783 (last_expr_type): Likewise.
1784 (walk_tree_fn): New typedef.
1785 (current_stmt_tree): New function.
1786 (begin_stmt_tree): Likewise.
1787 (add_stmt): Likewise.
1788 (finish_stmt_tree): Likewise.
1789 (statement_code_p): Likewise.
1790 (lang_statement_code_p): New variable.
1791 (walk_stmt_tree): New function.
1792 (STMT_IS_FULL_EXPR_P): New macro.
1793 * c-common.c (lang_statement_code_p): New variable.
1794 (c_common_nodes_and_builtins): Initialize void_zero_node.
1795 (statement_code_p): New function.
1796 (walk_stmt_tree): Likewise.
1797 * c-decl.c (language_function): Rename to ...
1798 (c_language_function): ... this. Include language_function.
1799 (push_c_function_context): Adjust accordingly.
1800 (pop_c_function_context): Likewise.
1801 (mark_c_function_context): Likewise.
1802 (current_stmt_tree): Define.
1803 * c-semantics.c (begin_stmt_tree): New function.
1804 (add_stmt): Likewise.
1805 (prune_unused_decls): Likewise.
1806 (finish_stmt_tree): Likewise.
1808 2000-09-06 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1810 * flow.c (insn_dead_p): Detect dead memory stores with auto increments.
1812 2000-09-06 Kazu Hirata <kazu@hxi.com>
1814 * calls.c: Fix formatting.
1816 2000-09-06 Graham Stott <grahams@cygnus.co.uk>
1818 * config/i386/i386.h (ADDRESS_COST): Fix typo.
1820 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1822 Integrated preprocessor.
1824 * Makefile.in: Remove all references to c-parse.gperf,
1825 c-gperf.h, and c-parse.h. Remove -d from yacc command line
1826 generating c-parse.c. Update dependencies.
1827 * c-parse.gperf, c-gperf.h: Delete.
1829 * c-common.c: Don't define parse_options, cpp_token, yy_cur,
1830 yy_lim, or yy_get_token. Don't define get_directive_line if
1832 * c-common.h: Add multiple include guard. Define RID values
1833 for every keyword in C, C++, and Objective C. Put all the
1835 (struct c_fileinfo, get_fileinfo, dump_time_statistics): New.
1836 * c-decl.c (c_decode_option): Handle -lang-objc here.
1837 (print_lang_identifier): Handle C_IS_RESERVED_WORD case.
1838 (grokdeclarator): Adjust for new RID scheme.
1839 (extract_interface_info): New stub.
1840 * c-lang.c: Don't declare yy_cur or parse_options.
1841 (lang_init_options): Call cpp_init. Don't call
1843 (lang_init): Don't call check_newline if USE_CPPLIB.
1845 * c-lex.c: Don't include c-parse.h. Do include timevar.h.
1846 Elide lots of unnecessary code if USE_CPPLIB. Delete code
1847 rendered unnecessary by new architecture. Move routines not
1848 shared with C++ to c-parse.in. Maintain a local idea of the
1849 line number. Handle C++ as well as C.
1850 [USE_CPPLIB]: Declare and register callbacks for #ident and
1851 for entering/leaving files.
1852 (init_c_lex, c_lex): Are now the entry points to this file.
1853 (check_newline): Break out directive handling to
1855 (read_ucs, is_extended_char, utf8_extend_token): Moved here
1857 (readescape, parse_float): Overhaul.
1858 (lex_number, lex_string, lex_charconst): Break out of c_lex
1860 (get_fileinfo, update_header_times, dump_one_header,
1861 dump_time_statistics): New and/or moved here from C++.
1862 Support per-file data needed by C++ and per-header timing
1863 statistics (C++ only, at the moment).
1864 * c-lex.h: Update prototypes. Add multiple include guard.
1865 * c-tree.h (struct lang_identifier): Add rid_code field.
1866 (C_IS_RESERVED_WORD, C_RID_CODE): New.
1868 * c-parse.in: Include c-pragma.h. Remove unnecesary calls to
1869 reinit_parse_for_function and/or position_after_white_space.
1870 (save_filename, save_lineno): Look ahead before saving.
1871 (label -> identifier ':'): Save file and line before shifting ':'.
1872 (reservedwords): No need to call get_identifier.
1873 (init_parse, finish_parse, yyerror, yylex, yyprint,
1874 make_pointer_declarator): Are now here for C/ObjC.
1875 (rid_to_yy): Conversion table from RID constants to Yacc codes.
1877 * c-pragma.c: Rewrite parsing logic to fit with cpplib's
1878 #pragma registry. Provide dummy implementation of that
1879 interface if !USE_CPPLIB.
1880 * c-pragma.h: Update to match.
1882 * flags.h: Add multiple include guard.
1883 (flag_detailed_statistics): Moved here from C++.
1884 * toplev.c: Define flag_detailed_statistics.
1886 * gcc.c (C specs): Use %(trad_capable_cpp) for -E|-M|-MM case
1888 * timevar.def (TV_CPP, TV_LEX): New.
1889 * timevar.h: Add multiple include guard.
1891 * objc/lang-specs.h: Use %(trad_capable_cpp) for -E|-M|-MM case
1893 * objc/objc-act.c: Don't mention yy_cur or parse_options.
1894 Initialize cpplib properly. Force lineno to 0 after first
1895 call to check_newline. Don't handle -lang-objc here.
1896 Move forget_protocol_qualifiers and remember_protocol_qualifiers here.
1898 2000-09-06 David Edelsohn <edelsohn@gnu.org>
1900 * rs6000.md: Correct function unit definitions for cr_logical and
1902 (sCOND): Additionally fail for sgt, slt, sge, sle if !TARGET_POWER
1903 and use portable method for >=0 and floating point >=. Remove
1904 associated matchers.
1906 2000-09-06 Mark Mitchell <mark@codesourcery.com>
1908 * extend.texi: Mark named return value extension as deprecated.
1910 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1912 * config/rs6000/rs6000.c (rs6000_reverse_condition): Return
1915 2000-09-06 Gabriel Dos Reis <gdr@codesourcery.com>
1917 * toplev.c (display_help): Fix thinko in documentation.
1919 * diagnostic.h (output_buffer::indent_skip): New fields.
1920 (output_indentation): New macro.
1922 * diagnostic.c (output_indent): New function.
1923 (output_set_prefix, clear_diagnostic_info): Use.
1924 (output_emit_prefix): Predict future indentation.
1926 2000-09-06 DJ Delorie <dj@redhat.com>
1928 * Makefile.in (stage_*): add more dependencies to ensure parallel
1929 builds build correctly
1931 2000-09-06 Manfred Hollstein <manfredh@redhat.com>
1933 * Makefile.in (bootstrap-lean): Depend on bootstrap-lean_g,
1934 not bootstrap-lean_f.
1936 2000-09-06 Andreas Schwab <schwab@suse.de>
1938 * mklibgcc.in: Emit rule for libgcc-stage-start.
1939 * Makefile.in (stage1-start, stage2-start, stage3-start,
1940 stage4-start): Don't handle libgcc here, use libgcc.mk instead.
1942 2000-09-06 Bernd Schmidt <bernds@redhat.co.uk>
1944 * local-alloc.c (local_alloc): Ignore CLASS_LIKELY_SPILLED.
1945 (update_equiv_regs): Likewise, except for the mn10200 kludge.
1946 (combine_regs): Likewise.
1948 * Makefile.in (cse.o): Depend on $(BASIC_BLOCK_H).
1949 * cse.c: Include "basic-block.h".
1950 (struct table_elt): New field REGCOST.
1951 (CHEAP_REG): Delete macro.
1952 (COST): Return 0 for REGs.
1953 (approx_reg_cost_1, approx_reg_cost, preferrable): New functions.
1954 (notreg_cost): Return 0 for appropriate SUBREGs.
1955 (COSTS_N_INSNS): Return N * 2.
1956 (rtx_cost): Return 0 for REGs, and use cost of nested rtx for cheap
1958 (CHEAPER): Use new function preferrable.
1959 (insert): Initialize REGCOST member.
1960 (find_best_addr): Use approx_reg_cost for estimation of register
1962 (cse_insn): Likewise.
1963 * loop.c (iv_add_mult_cost): New function.
1964 (add_cost, shift_cost, mult_cost): Delete variables.
1965 (init_loop): Don't initialize add_cost; reduce copy_cost by half.
1966 (strength_reduce): Use iv_add_mult_cost instead of fixed add_cost.
1967 Make code that detects autoinc opportunities slightly less optimistic.
1968 (simplify_giv_expr): If expression contains other reg that is also a
1969 giv, only increment benefit if this is the only use of that reg.
1970 (consec_sets_giv): Take that change into account.
1971 (combine_givs): Slightly more verbose output.
1973 * i386.h (RTX_COSTS): For MULT, return true cost of multiplication,
1974 not the cost of an equivalent shift.
1975 * sh-protos.h (addsubcosts): Declare.
1976 * sh.c (addsubcosts): New function.
1977 * sh.h (CONST_COSTS): If CONST_OK_FOR_I, then return 0.
1978 (RTX_COSTS): Tweak. Use addsubcosts.
1979 (ADDRESS_COST): Return higher cost for reg+reg addressing.
1981 2000-09-06 Geoff Keating <geoffk@cygnus.com>
1983 * config/rs6000/rs6000.c (validate_condition_mode): New function.
1984 (branch_comparison_operator): Call validate_condition_mode to
1985 abort rather than returning 0.
1986 (branch_positive_comparison_operator): New function.
1987 (scc_comparison_operator): Call validate_condition_mode to abort
1988 rather than returning 0.
1989 (ccr_bit): Call validate_condition_mode. Update for
1991 (print_operand): Delete %C modifier. Update %E case
1992 to use EQ bit not SO bit.
1993 (rs6000_reverse_condition): New function.
1994 (rs6000_generate_compare): New function.
1995 (rs6000_emit_sCOND): New function.
1996 (rs6000_emit_cbranch): New function.
1997 (output_cbranch): The length of a long branch insn is
1998 now only 8 bytes. Add validate_condition_mode. Use
1999 rs6000_reverse_condition. Remove cror generation.
2001 * config/rs6000/rs6000.h: Update comments.
2002 (PREDICATE_CODES): Add new predicate. Update codes used
2003 by branch_comparison_operator and scc_comparison_operator.
2004 * config/rs6000/rs6000-protos.h: Add prototypes for
2005 new external functions.
2006 * config/rs6000/rs6000.md: Add new scheduling parameters
2007 for cr_logical instructions. Change length of branch
2009 (bCOND patterns): Call rs6000_emit_cbranch.
2010 (sCOND patterns): Call rs6000_emit_sCOND.
2011 (branch patterns): Change lengths to 4.
2012 (cr logical patterns): New.
2014 2000-09-06 Richard Henderson <rth@cygnus.com>
2016 * config/i386/i386.md (call_pop): Fix test for setting
2017 current_function_uses_pic_offset_table.
2018 (call, call_value_pop, call_value): Likewise.
2020 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
2022 * timevar.c (timevar_add): Delete.
2023 (timevar_get): Also count time since the selected timer was
2024 last updated. Do not examine the timevar stack if the
2025 selected timer is standalone.
2027 2000-09-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2029 * gthr-dce.h (__gthread_objc_mutex_deallocate): Free mutex->backend.
2031 2000-09-05 Jason Merrill <jason@redhat.com>
2033 * c-decl.c (finish_incomplete_decl): Don't call complete_array_type
2034 for 'extern' arrays.
2036 2000-09-05 Richard Henderson <rth@cygnus.com>
2038 * config/ia64/lib1func.asm (__divtf3): Rebundle for Itanium.
2039 Eliminate final copy from non-trapping case.
2040 (__divdf3, __divsf3): Likewise.
2042 2000-09-05 Richard Henderson <rth@cygnus.com>
2044 * config/ia64/ia64.md (mulhi3): Fix typo last change.
2045 * config/ia64/lib1func.asm (__divdi3, __udivdi3, __umodsi3): Likewise.
2047 2000-09-03 Donn Terry <donn@interix.com>, Laurynas Biveinis <lauras@softhome.net>
2049 * Makefile.in: Restructure bootstrap stages to allow clean
2050 restart after failure.
2052 2000-09-05 Richard Henderson <rth@cygnus.com>
2054 * config/ia64.md (movsi and movdi patterns): Allow moves from
2055 8-bit constants to AR registers.
2057 2000-09-05 Richard Henderson <rth@cygnus.com>
2059 * config/ia64/ia64.md (mulhi3): New.
2061 2000-09-05 Richard Henderson <rth@cygnus.com>
2063 * config/ia64/ia64.h (INIT_TARGET_OPTABS): Remove.
2064 * config/ia64/lib1funcs.asm (__divdi3): Update from Intel IA-64
2065 Optimization Guide, minimum latency alternative.
2066 (__moddi3, __udivdi3, __umoddi3): Likewise.
2067 (__divsi3, __modsi3, __udivsi3, __umodsi3): Likewise.
2069 2000-09-05 Bruce Korb <bkorb@gnu.org>
2071 * fixinc/fixincl.c (load_file): always read header files
2072 with sizes that are a multiple of the page size.
2073 & use libiberty's getpagesize for determining that.
2075 2000-09-05 Alexandre Oliva <aoliva@redhat.com>
2077 * gcse.c (hash_string_1): Add prototype.
2078 * cse.c (canon_hash_string): Likewise.
2080 2000-09-04 Craig Newell <CraigN@ieee.org>
2082 * gcc.c: Undefine "__WCHAR_TYPE__" before redefining it.
2084 2000-09-04 Andreas Schwab <schwab@suse.de>
2086 * Makefile.in (STAGESTUFF): Remove libgcc.
2087 (stage1-start, stage2-start, stage3-start): Copy the contents of
2088 the libgcc directory explicitly.
2089 (mostlyclean): Clean libgcc.
2091 2000-09-04 Andrew Haley <aph@redhat.com>
2093 * dwarf2out.c: (stack_adjust_offset): New prototype.
2095 Wed Jan 1 00:23:59 MET 1997 Jan Hubicka <jh@suse.cz>
2097 * combine.c (make_extraction): Fix rtx_cost comparison to
2100 Wed Jan 1 00:17:32 MET 1997 Jan Hubicka <jh@suse.cz>
2102 * i386.md (pushsi2, pushhi2, pophi2, swapsf, swapdf,
2103 umulsi3_highpart, smulsi3_highpart, testqi_ccno_1, xorqi_ext_1):
2104 Add '*' to insn pattern name.
2106 2000-09-04 Jakub Jelinek <jakub@redhat.com>
2108 * cpplex.c (ON_REST_ARG): Check VAR_ARGS flag of current context,
2109 use posn - 1 to index into tokens array.
2110 (maybe_paste_with_next): Adjust caller.
2112 2000-09-03 Geoff Keating <geoffk@cygnus.com>
2114 * invoke.texi: Document the -mvxworks option for rs6000 ELF.
2116 * config/rs6000/rs6000.h: Update various comments about XER_REGNO.
2117 (REGNO_REG_CLASS): Use symbolic register
2120 2000-09-03 Richard Earnshaw <rearnsha@arm.com>
2122 * arm.c (final_prescan_insn): If the form of a jump insn isn't
2123 recognized, don't try to conditionally execute it.
2125 Sun Sep 3 13:10:56 2000 Denis Chertykov <denisc@overta.ru>
2127 * config/avr/avr.md ("*tablejump_lib"): New pattern.
2128 (call_value_insn): Right length claculation.
2129 (call_insn): Likewise.
2131 2000-09-02 Marek Michalkiewicz <marekm@linux.org.pl>
2133 * config/avr/avr-protos.h, config/avr/avr.c (unique_section,
2134 gas_output_limited_string, gas_output_ascii, output_movqi,
2135 output_movhi, out_movqi_r_mr, out_movqi_mr_r, out_movhi_r_mr,
2136 out_movhi_mr_r, out_movsi_r_mr, out_movsi_mr_r, output_movsisf,
2137 out_tstsi, out_tsthi, ret_cond_branch, ashlqi3_out, ashlhi3_out,
2138 ashlsi3_out, ashrqi3_out, ashrhi3_out, ashrsi3_out, lshrqi3_out,
2139 lshrhi3_out, lshrsi3_out, output_reload_inhi, output_reload_insisf,
2140 out_shift_with_cnt, ptrreg_to_str, cond_string, encode_section_info):
2141 Add "const" as needed to remove warnings.
2143 * config/avr/avr.c (avr_override_options, avr_init_once,
2144 function_prologue, function_epilogue, frame_pointer_required_p,
2145 class_likely_spilled_p, order_regs_for_local_alloc,
2146 avr_address_cost, avr_ret_register): Use K&R style arguments.
2147 (initial_elimination_offset, gas_output_limited_string):
2148 Remove ATTRIBUTE_UNUSED from the used arguments.
2149 (output_mov*, out_mov*_r_mr, out_mov*_mr_r, output_reload_insisf):
2150 Use local variables src, dest, base to access operands[].
2151 Rename reg_dest to reg_src if that's what it is.
2152 (output_movhi, output_movsisf): Optimize loading 8-bit immediate
2153 constants to LD_REGS if reg_was_0.
2154 (output_reload_insisf): Change arg 3 to insn length and set it.
2155 (out_movhi_r_mr, out_movhi_mr_r): Use in/out for more efficient
2156 access to 16-bit I/O register pairs.
2157 (avr_address_cost): Lower cost for the above case.
2158 (out_tsthi): Use "or" (faster) instead of "sbiw" if the operand
2159 may be clobbered, also for LD_REGS.
2160 (adjust_insn_length): Correct insn length for iorhi3 and iorsi3
2163 * config/avr/avr.h (PTRDIFF_TYPE): Make signed.
2165 * config/avr/avr.md: Change all uses of the TEST_HARD_REG_CLASS
2166 macro to test_hard_reg_class function.
2167 (*movsi, *movsf): Change "cc" attribute from "clobber" to "none"
2168 for loading immediate constants to LD_REGS.
2169 (andsi3, cmphi, cmpsi): Add return statements to avoid warnings.
2172 Sat Sep 2 13:58:23 2000 Marek Michalkiewicz <marekm@linux.org.pl>
2174 * config/avr/avr.md ("*negsi2"): substitute %@ to __zero_reg__
2175 * config/avr/libgcc.S: Lost part of the previous patch.
2177 2000-08-31 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2179 * gthr-dce.h (__gthread_objc_mutex_allocate): Create a pthread_mutex_t
2180 object before calling pthread_mutex_init.
2182 2000-09-02 Alexandre Oliva <aoliva@redhat.com>
2184 * config/sh/t-elf, config/sh/crt1.asm, config/sh/crti.asm,
2185 config/sh/crtn.asm: New files.
2186 * config/sh/t-sh (EXTRA_MULTILIB_PARTS): Set.
2187 (crt1.o, crti.o, crtn.o): New targets.
2188 * configure.in [sh-*-elf*, sh-*-rtemself*] (tmake_file): Added
2190 * configure: Rebuilt.
2191 * config/sh/sh.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP,
2192 STARTFILE_SPEC, ENDFILE_SPEC, CRT_CALL_STATIC_FUNCTION): Define.
2193 * config/sh/elf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
2194 Undefine for config/elfos.h to redefine.
2195 (STARTFILE_SPEC, ENDFILE_SPEC): Redefine after config/elfos.h.
2197 2000-09-02 Alexandre Oliva <aoliva@redhat.com>, Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
2199 * config/sh/sh-protos.h (nonpic_symbol_mentioned_p,
2200 legitimize_pic_address, output_pic_addr_const): Declare.
2201 * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Fix PIC register.
2202 (PREFERGOT_BIT, TARGET_PREFERGOT): Likewise.
2203 (TARGET_SWITCHES): New switch -mprefergot.
2204 (OVERRIDE_OPTIONS): Set flag_no_function_cse unless -mprefergot.
2205 (PIC_OFFSET_TABLE_REGNUM): Define.
2206 (GOT_SYMBOL_TABLE): Likewise.
2207 (LEGITIMIZE_ADDRESS): Use legitimize_pic_address.
2208 (ENCODE_SECTION_INFO): Define.
2209 (FINALIZE_PIC): New macros.
2210 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST_P): New macro.
2211 (ASM_OUTPUT_INT, ASM_OUTPUT_SHORT): Use output_pic_addr_const.
2212 * config/sh/sh.c (print_operand_address): Use output_pic_addr_const.
2213 (prepare_move_operands): Call emit_pic_move or
2214 emit_pic_const_move if appropriate.
2215 (output_far_jump): For PIC, use braf and output long offset.
2216 (machine_dependent_reorg):
2217 (sh_expand_prologue): Save and initialize the PIC register.
2218 (sh_expand_epilogue): Restore it.
2219 (initial_elimination_offset): Account for it.
2220 (nonpic_symbol_mentioned_p): New function.
2221 (legitimize_pic_address): Likewise.
2222 (output_pic_addr_const): Likewise.
2223 * config/sh/sh.md (calli_pcrel, call_valuei_pcrel): New insns.
2224 (call, call_value): Use them.
2225 (GOTaddr2picreg, sym_label2reg, symGOT2reg, symGOTOFF2reg,
2226 symPLT_label2reg): New expands.
2227 * invoke.texi (SH Options): Document -mprefergot.
2229 2000-09-01 Alexandre Oliva <aoliva@redhat.com>
2231 * rtl.h (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): New macro.
2232 * gcse.c (hash_string_1): New function.
2233 (hash_expr_1) <ASM_OPERANDS>: Disregard filename and line number.
2234 (expr_equiv_p) <ASM_OPERANDS>: Likewise.
2235 * cse.c (rtx_cost): Don't increase the cost of ASM_OPERANDS.
2236 (canon_hash_string): New function.
2237 (canon_hash) <ASM_OPERANDS>: Disregard filename and line number.
2238 (exp_equiv_p) <ASM_OPERANDS>: Likewise.
2239 (fold_rtx): Use ASM_OPERANDS accessor macros.
2240 * emit-rtl.c (copy_insn_1): Likewise.
2241 * integrate.c (copy_rtx_and_substitute): Likewise.
2242 * stmt.c (expand_asm_operands): Likewise. Give an
2243 ASM_OPERANDS rtx the mode of the output reg being set from it.
2245 2000-09-01 Fred Fish <fnf@be.com>
2247 * fix-header.c (write_rbrac): Add putc and getc to list of
2248 functions to protect against prior definition as a macro.
2250 2000-09-01 Joseph S. Myers <jsm28@cam.ac.uk>
2252 * c-common.h (enum c_tree_index): Add CTI_C_SIZE_TYPE.
2253 (c_size_type_node): Define.
2254 * c-decl.c (init_decl_processing): Initialize c_size_type_node.
2255 * c-common.c (enum format_lengths, enum format_std_version,
2256 format_length_info, format_type_detail, BADLEN, NOLENGTHS,
2257 format_kind_info, printf_length_specs, scanf_length_specs, T89_I,
2258 T99_I, T89_L, T99_LL, TEX_LL, T89_S, T89_UI, T99_UI, T89_UL,
2259 T99_ULL, TEX_ULL, T89_US, T89_F, T99_F, T89_D, T99_D, T89_LD,
2260 T99_LD, T89_C, T99_SC, T99_UC, T89_V, T94_W, TEX_W, T94_WI,
2261 TEX_WI, T99_ST, T99_SST, T99_PD, T99_UPD, T99_IM, T99_UIM,
2262 format_types): Define.
2263 (format_char_info, print_char_table, scan_char_table,
2264 time_char_table): Rearrange for new organization of information
2265 about format length modifiers and standard versions.
2266 (T_ST): Redefine to use c_size_type_node.
2267 (check_format_info): Obtain information about length modifiers and
2268 standard versions from tables. Adjust warning message wordings.
2269 Use the name from the user's program for `ll' and `hh' length
2270 modifiers in warning messages. Use more informative names for
2271 wanted types where available (for wchar_t, wint_t, size_t, signed
2272 size_t, ptrdiff_t, unsigned ptrdiff_t, intmax_t and uintmax_t).
2274 2000-09-01 Jim Wilson <wilson@cygnus.com>
2276 * calls.c (emit_call_1): Add REG_NORETURN note to call if ECF_NORETURN.
2277 * combine.c (distribute_notes): Handle REG_NORETURN.
2278 * rtl.c (reg_note_name): Add REG_NORETURN.
2279 * rtl.h (enum reg_note): Likewise.
2281 * config/ia64/ia64-protos.h (emit_safe_across_calls): Renamed from
2283 * config/ia64/ia64.c (emit_safe_across_calls): Likewise.
2284 (rtx_needs_barrier): Handle unspec_volatile 8 and 9.
2285 (emit_predicate_relation_info): Handle conditional calls with
2287 * config/ia64/ia64.h (ASM_FILE_START): Call emit_safe_across_calls
2288 instead of ia64_file_start.
2289 * config/ia64/sysv4.h (ASM_FILE_START): Likewise.
2290 * config/ia64/ia64.md (safe_across_calls_all,
2291 save_across_calls_normal): New patterns.
2293 * loop.c (check_final_value): Check for biv use before checking for
2294 giv use. Check for both biv and giv uses. Always set last_giv_use
2295 if there is a giv use.
2297 2000-09-01 Richard Henderson <rth@cygnus.com>
2299 * config/ia64/ia64.md (mulsi3): Use grfr_register_operand.
2300 (madddi3): Likewise.
2303 Fri Sep 1 10:59:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2305 * expr.c (clear_storage): Don't use emit_move_insn unless
2306 either BLKmode or proper size.
2307 (store_constructor): Don't call clear_storage if REG of wrong size.
2309 * flow.c (init_propagate_block_info): Don't mark frame dead at end
2310 of function if returns wiht stack pointer depressed.
2312 2000-09-01 Andrew Haley <aph@redhat.com>
2314 * dwarf2out.c (stack_adjust_offset): New function.
2315 (dwarf2out_stack_adjust): Break out stack adjust logic into
2316 new stack_adjust_offset function. Look inside parallels and
2317 sequences for stack adjustments.
2319 2000-08-31 Jeff Law <law@cygnus.com>
2321 * arm.md: Use no_new_pseudos to determine when it is safe
2322 to create new pseudo registers.
2324 * arm.c (legitimize_pic_address): Use no_new_pseudos to determine
2325 when we can safely allocate new registers.
2327 2000-08-31 Geoffrey Keating <geoffk@cygnus.com>
2329 * stmt.c (expand_asm_operands): Twiddle generating_concat_p
2330 so that CONCATs are not generated for ASMs.
2331 * emit-rtl.c (gen_reg_rtx): Don't generate CONCATs when
2332 not generating_concat_p.
2333 * function.c (pop_function_context_from): Reset
2334 generating_concat_p.
2335 (prepare_function_start): Likewise.
2336 * rtl.c (generating_concat_p): Define.
2337 * rtl.h (generating_concat_p): Declare.
2338 * toplev.c (rest_of_compilation): No CONCATs after RTL generation.
2340 2000-08-22 Philipp Thomas <pthomas@suse.de>
2341 Masanobu Yuhara <yuhara@flab.fujitsu.co.jp>
2343 * gmicro.h (TARGET_SWITCHES): Add descriptions and mark them
2346 2000-08-30 Greg McGary <greg@mcgary.org>
2348 * Makefile.in (fixinc.sh): Pass CC, CFLAGS and LDFLAGS to mkfixinc.sh
2349 * fixinc/Makefile.in (fixincl): Pass $(LDFLAGS) to $(CC).
2350 * fixinc/mkfixinc.sh: Pass $CC, $CFLAGS and $LDFLAGS to $MAKE.
2352 2000-08-30 Greg McGary <greg@mcgary.org>
2354 * tree.h (struct tree_int_cst): Wrap low and high in a sub-struct.
2355 (TREE_INT_CST_LOW, TREE_INT_CST_HIGH): Access through sub-struct.
2356 (TREE_INT_CST): New macro.
2357 * varasm.c (const_hash, compare_constant_1, record_constant_1):
2358 Use new macro TREE_INT_CST.
2360 Wed 30-Aug-2000 23:18:59 BST Neil Booth <NeilB@earthling.net>
2362 * contrib.texi: Add self.
2364 2000-08-30 Alexandre Oliva <aoliva@redhat.com>
2366 * config/sh/sh.md (cmpeqsi_ior_t, cmpeqsi_and_t): New insns.
2367 (cmpeqdi_t splitter): Use cmpeqsi_and_t instead of emitting jumps
2370 2000-08-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2372 * fixinc/gnu-regex.c: Don't define `const'.
2374 Tue Aug 29 22:09:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2376 * expr.c (store_constructor): Allow variable bounds of array type.
2377 (expand_expr): Don't blow up if type is ERROR_MARK.
2378 * varasm.c (output_constructor): Don't access lower bound of array
2379 type unless need it if index is supplied (so it can be a variable
2380 if no index is supplied).
2381 Use tree_low_cst; use HOST_WIDE_INT for sizes; change BITPOS to POS.
2382 Other minor cleanups.
2384 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2386 * Makefile.in: Revamp handling of cflags to allow different WARN_CFLAGS
2387 for compilations in stage 1 and subsequent stages, respectively.
2388 * configure.in (vax): Add compiler-dependent CFLAGS for stage 1.
2389 * configure: Rebuilt.
2390 * x-vax, x-vax-gcc: Deleted.
2392 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2394 * c-common.c (declare_function_name): Use func_id_node,
2395 function_id_node, and pretty_function_id_node. Do not make
2396 __func__ visible at file scope.
2397 * c-common.h (c_tree_index): Add CTI_FUNCTION_ID,
2398 CTI_PRETTY_FUNCTION_ID, and CTI_FUNC_ID.
2399 (function_id_node, pretty_function_id_node, func_id_node): New
2401 * c-decl.c (init_decl_processing): Initialize function_id_node,
2402 pretty_function_id_node, and func_id_node.
2403 (c_make_fname_decl): Correct comment.
2405 * tree.h (struct tree_identifier): Constify pointer member.
2407 * c-decl.c (pushdecl, implicit_decl_warning): Constify a char *.
2408 * c-pragma.h (struct weak_syms): Constify name and value members.
2409 (add_weak): Constify arguments.
2411 * calls.c (special_function_p): Constify a char *.
2412 (expand_call): Remove variable which is initialized and then
2414 * dependence.c (struct def_use, struct induction, struct subscript):
2415 Constify 'variable' member.
2416 (get_low_bound, have_induction_variable): Constify char * argument.
2417 (find_induction_variable): Add braces to avoid dangling else.
2418 (classify_dependence): Constify char * arrays.
2419 * profile.c (output_func_start_profiler): Constify a char *.
2420 * stor-layout.c (finalize_record_size): Constify a char *.
2421 * tree.c (is_attribute_p): Constify a char *.
2422 * varasm.c (add_weak, remove_from_pending_weak_list): Constify argument.
2424 * varasm.c (make_function_rtl, make_decl_rtl): Rearrange code
2425 for comprehensibility. Do not call get_identifier if we did
2426 not change the DECL_ASSEMBLER_NAME of the decl. Use alloca to
2427 create temporary string constants, not ggc_alloc_string. No
2428 need to copy result of ASM_FORMAT_PRIVATE_NAME. Use const
2429 char * to hold IDENTIFIER_POINTERs.
2431 2000-08-29 Richard Henderson <rth@cygnus.com>
2433 * config/ia64/ia64.md (muldi3): Use grfr_register_operand
2436 2000-08-29 Richard Henderson <rth@cygnus.com>
2438 * reload.c (push_secondary_reload): Allow class == reload_class
2439 if we're using a reload_in/out pattern.
2441 * config/ia64/ia64.md (reload_inti): Use a TImode scratch. Use
2442 the half that does not conflict with the reload register.
2443 (reload_outti): Likewise.
2445 2000-08-29 Kazu Hirata <kazu@hxi.com>
2447 * reload.c: Fix formatting.
2449 * stmt.c: Fix formatting.
2451 * gcc.c: Fix formatting.
2453 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2455 * flags.h (time_report, mem_report): New global flags.
2456 * toplev.c: Define time_report and mem_report.
2457 (f_options): Add -ftime-report and -fmem-report.
2458 (compile_file): Turn on time_report if quiet_flag is off.
2459 Call ggc_print_statistics at very end if mem_report is on.
2460 * timevar.c (TIMEVAR_ENABLE): Examine time_report, not quiet_flag.
2462 * ggc-common.c (ggc_print_statistics): Rename to
2463 ggc_print_common_statistics; all callers changed. Scale
2464 quantities above 10K to kilobytes and above 10M to megabytes.
2465 * ggc-page.c (ggc_page_print_statistics): Rename to
2466 ggc_print_statistics. Report memory consumed by internal data
2467 structures for each allocation bucket. Scale quantities above
2468 10K to kilobytes and above 10M to megabytes.
2469 * ggc-simple.c: Prototype debug_ggc_tree to avoid warning.
2470 Cast PTR_KEY(p) to unsigned long in fprintf call to avoid warning.
2471 Define tally_leaves always.
2472 (ggc_print_statistics): New function.
2473 * ggc.h: Adjust for renamed functions.
2475 Wed Aug 30 00:11:42 2000 Denis Chertykov <denisc@overta.ru>
2477 * config/avr/avr.md ("*movsf","*movsi"): Pass NULL to
2478 output_movsisf instead of which_alternative.
2480 * config/avr/avr.c (output_reload_inhi): Check for NULL ponter.
2482 Tue Aug 29 22:29:58 2000 Denis Chertykov <denisc@overta.ru> & Marek Michalkiewicz <marekm@linux.org.pl>
2484 * config/avr/avr-protos.h: (avr_output_ascii) Removed.
2485 (avr_progmem_p): New prototype.
2486 (output_movsisf): Prototype declaration changed.
2487 (output_movqi): New prototype.
2488 (output_movhi): New prototype.
2489 (call_insn_operand): Likewise.
2490 (final_prescan_insn): Likewise.
2491 (avr_simplify_comparision_p): Likewise.
2492 (avr_normalize_condition): Likewise.
2493 (compare_eq_p): Likewise.
2494 (out_shift_with_cnt): Likewise.
2495 (const_int_pow2_p): Likewise.
2496 (output_reload_inhi): Prototype declaration changed.
2498 * config/avr/avr.c: (debug_hard_reg_set): Prototype declared.
2499 (ldi_reg_rtx): New. rtx for r31.
2500 (avr_init_stack): Initialize as "__stack".
2501 (function_prologue): Use it.
2502 Replace all TARGET_ENHANCED with AVR_ENHANCED.
2503 (avr_mcu_name): Initialize as "avr2".
2504 (avr_enhanced_p, avr_mega_p): New variables.
2505 (mcu_types, avr_override_options): Handle all known MCU types.
2506 Also handle avr1 (only preprocess, assemble and link).
2507 (print_operand): Using of `%K' in output template removed.
2508 (out_movqi_r_mr): Optimized.
2509 (out_movhi_r_mr): Likewise.
2510 (output_movqi): New function.
2511 (output_movhi): Likewise.
2512 (out_movsi_r_mr): Optimized.
2513 (output_movsisf): Compute insn length for `adjust_insn_length'
2514 (out_movqi_mr_r): Optimized.
2515 (out_movhi_mr_r): Optimized.
2516 (adjust_insn_length): Use output_movsisf, output_movqi,
2517 output_movhi for insn length adjusting.
2518 (reg_unused_after): Use dead_or_set_p.
2519 (preferred_reload_class): Now havn't any restriction.
2520 (reg_was_0): New function.
2521 (io_address_p): Likewise.
2522 (const_int_pow2_p): Likewise.
2523 (output_reload_inhi): Likewise.
2524 (output_reload_insisf): Likewise.
2526 * config/avr/avr.h (MULTILIB_DEFAULTS): Define.
2527 (LIB_SPEC): Use -lc for all supported devices.
2528 (LIBGCC_SPEC): Use -lgcc for all supported devices.
2529 (AVR_MEGA): Define as avr_mega_p.
2530 (AVR_ENHANCED): New, define as avr_enhanced_p.
2531 (TARGET_SWITCHES): Remove -menhanced, now handled by -mmcu=...
2532 (CPP_SPEC, LINK_SPEC): Handle all known MCU types.
2533 (CRT_BINUTILS_SPECS): Handle all known MCU types.
2534 Rename gcrt1-*.o to make file names unique on 8.3 filesystems.
2535 (EXTRA_SPECS): Add CPP_AVR[1-5]_SPEC.
2536 (ASM_SPEC): Pass -mmcu=... to the assembler.
2537 Change all -DAVR_* to -D__AVR_*__.
2538 (INIT_TARGET_OPTABS), config/avr/libgcc.S:
2539 Rename library functions to start with two underscores.
2540 (ASM_OUTPUT_COMMON): Outputs `.comm VAR,VAR-SIZE,1' to avoid
2542 (ASM_WEAKEN_LABEL): Declared for __attribute__((weak)).
2543 (SUPPORTS_WEAK): Likewise.
2544 (LDI_REG_REGNO): New. Register r31 will be used as temporary
2545 register for loading constants to r0-r14.
2547 * config/avr/avr.md: Replace all TARGET_ENHANCED with
2549 (*mov_r_sp): Removed. Handled by output_movhi.
2550 (*mov_sp_r): Likewise.
2551 (*mov_sp_r_no_interrupts): Likewise
2552 (*mov_sp_r_tiny): Likewise.
2553 (*movqi): Use output_movqi.
2554 (*reload_inqi): New.
2555 (*movhi): Use output_movhi.
2556 (*reload_inhi): New.
2557 (*negsi2): Optimized.
2558 (*negsf2): Likewise.
2559 Added peepholes (define_peephole2) for loading constants to r0-r14
2560 and for using `cpse' command.
2562 * config/avr/libgcc.S: Rename library functions to start with two
2564 Add support for enhanced core.
2565 (_moqhi3): Fix typo, now _modqi3.
2566 (__divsi_raw): Use __zero_reg__ as loop counter, smaller by 1 word.
2567 (__prologue_saves__): Remove test for stack adjust by 0.
2568 (__tablejump__): New.
2570 * config/avr/t-avr: Build libgcc2 with -mcall-prologues.
2571 Add multilib support.
2573 Tue Aug 29 15:17:54 EDT 2000 John Wehle (john@feith.com)
2575 * loop.c (prescan_loop): Don't check unknown_address_altered
2576 when deciding if insert_loop_mem is safe. Add BLKmode MEMs
2577 to loop_store_mems as necessary.
2578 (loop_invariant_p): Don't check unknown_address_altered
2579 or unknown_constant_address_altered.
2581 2000-08-29 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2583 * vax.md (sltu, sgeu): Delete sltu and sgeu insn patterns.
2585 2000-08-29 Zack Weinberg <zack@wolery.cumb.org>
2587 * cpperror.c (print_file_and_line): If line is (unsigned int)-1,
2588 print just the filename.
2589 * cpplex.c (_cpp_run_directive): Add additional argument, the
2590 name to give the synthetic buffer. This defaults to
2591 translated "<command line>".
2592 * cpplib.c (cpp_define, cpp_undef, cpp_assert, cpp_unassert):
2594 (_cpp_define_builtin): New function.
2595 * cppinit.c (initialize_builtins): Use _cpp_define_builtin.
2596 * cpphash.h: Update prototypes.
2598 * tradcpp.c (main): Process -D and -U simultaneously, in the
2599 order they appeared on the command line.
2601 2000-08-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2603 * c-decl.c (define_label): Call warning_with_file_and_line and
2604 error_with_file_and_line instead of plain warning or error.
2606 * c-parse.in (label): Use save_filename/save_lineno to ensure
2607 correct values for calls to define_label.
2609 2000-08-29 Mark Mitchell <mark@codesourcery.com>
2611 * calls.c (expand_call): Don't create a VAR_DECL just to throw it
2613 * expr.c (expand_expr, case TARGET_EXPR): Don't call
2615 * tree.h (get_file_function_name): Remove two duplicate
2618 2000-08-28 Kazu Hirata <kazu@hxi.com>
2620 * tree.c: Fix formatting.
2622 * xcoffout.c: Fix formatting.
2624 2000-08-28 Jason Merrill <jason@redhat.com>
2626 * dwarf2out.c (attr_checksum): Also ignore DW_AT_producer.
2628 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2630 * dwarf2out.c (dwarf2out_finish): Don't bother calling
2631 break_out_includes if it won't do anything.
2633 2000-08-28 Richard Henderson <rth@cygnus.com>
2635 * reload.c (push_secondary_reload): Revert 2000-08-16 change.
2636 (find_reloads): Likewise.
2637 * config/alpha/alpha.md (reload_inqi): Revert 2000-08-11 change.
2638 (reload_inhi): Likewise.
2640 2000-08-28 Richard Henderson <rth@cygnus.com>
2642 * config/i386/i386.c: Don't error on EXTRA_CONSTRAINT defined.
2643 (call_insn_operand): Don't expect a surrounding mem.
2644 (constant_call_address_operand): Likewise.
2645 * config/i386/i386.h (PREDICATE_CODES): Update.
2646 * config/i386/i386.md (call patterns): Move the match_operand
2647 for the call destination inside the mem.
2649 2000-08-28 Richard Henderson <rth@cygnus.com>
2651 * local-alloc.c (requires_inout): Don't use reserved range for
2652 EXTRA_CONSTRAINTS; use anything not matched by REG_CLASS_FROM_LETTER.
2653 * recog.c (asm_operand_ok): Likewise.
2654 (preprocess_constraints, constrain_operands): Likewise.
2655 * regclass.c (record_reg_classes): Likewise.
2656 * reload.c (find_reloads): Likewise.
2657 * reload1.c (maybe_fix_stack_asms): Likewise.
2658 (reload_cse_simplify_operands): Likewise.
2659 * stmt.c (expand_asm_operands): Likewise.
2661 * md.texi: Update constraints documentation.
2662 * tm.texi (EXTRA_CONSTRAINT): Update.
2664 2000-08-28 Daniel Berlin <dberlin@redhat.com>
2666 * dwarf2out.c (DIE_LABEL_PREFIX): Remove leading "__".
2667 (print_die): If we don't know the offset of the
2668 target die, try the symbol. Add a trailing newline.
2669 (reverse_all_dies): New fn.
2670 (dwarf2out_finish): Call it.
2671 (break_out_includes): Reorganize for clarity.
2672 (add_sibling_attributes): Don't call reverse_die_lists.
2673 (output_comp_unit): Rename from output_comdat_comp_unit. Use for
2675 * flags.h: Add flag_eliminate_dwarf2_dups.
2676 * toplev.c (f_options): Support -feliminate-dwarf2-dups.
2678 2000-08-28 Jason Merrill <jason@redhat.com>
2680 * dwarf2.h (DW_TAG_GNU_BINCL, DW_TAG_GNU_EINCL): New tags.
2681 * dwarf2out.c: #include "md5.h".
2682 (DIE_LABEL_PREFIX): New macro.
2683 (dw_val_struct): Add 'external' flag to val_die_ref.
2684 (add_AT_die_ref, AT_ref): Adjust.
2685 (AT_ref_external, set_AT_ref_external): New fns.
2686 (build_abbrev_table): Call set_AT_ref_external.
2687 (value_format): Call AT_ref_external.
2688 (die_struct): Add die_symbol field.
2689 (new_die): Clear it.
2690 (dwarf_tag_name): Handle BINCL/EINCL.
2691 (dwarf2out_start_source_file): Add BINCL DIE.
2692 (dwarf2out_end_source_file): Add EINCL DIE.
2693 (push_new_compile_unit, pop_compile_unit, clear_die_sizes): New fns.
2694 (loc_checksum, attr_checksum, die_checksum): New fns.
2695 (is_type_die, is_comdat_die, is_symbol_die): New fns.
2696 (compute_section_prefix, assign_symbol_names): New fns.
2697 (gen_internal_sym, output_die_symbol, output_symbolic_ref): New fns.
2698 (output_die): Call output_die_symbol and AT_ref_external.
2699 (output_comdat_comp_unit): New fn, split out from...
2700 (dwarf2out_finish): ...here. Also call add_sibling_attributes for
2702 (output_pubnames, output_aranges): Abort if we see entries from
2704 * toplev.h: Declare file_name_nondirectory.
2705 * toplev.c (file_name_nondirectory): New fn, moved from C++ frontend.
2706 (rest_of_type_compilation): Call dwarf2out_decl if at toplevel.
2707 (debug_start_source_file): Call dwarf2out_start_source_file
2708 regardless of debug verbosity.
2709 (debug_end_source_file): Similarly.
2710 * tree.h: Declare clean_symbol_name.
2711 * tree.c (clean_symbol_name): Split out from...
2712 (get_file_function_name_long): ...here.
2714 * dwarf2out.c (new_loc_descr): Use calloc.
2715 (splice_child_die): Remove the die from the right parent.
2716 (gen_struct_or_union_die): Don't add AT_name to a specification DIE.
2718 Mon Aug 28 19:02:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2720 * toplev.c (decode_g_option): Don't give warning for unknown -g
2721 option; return 0 instead.
2722 (main): If -g option is not recognized by front end or
2723 language-independent code, give warning.
2725 2000-08-28 Greg McGary <greg@mcgary.org>
2727 * config/i386/i386-protos.h (ix86_expand_compare): Add extern decl.
2728 * config/i386/i386.c (ix86_expand_compare): Remove `static'.
2729 * config/i386/i386.md (trap, conditional_trap): New insn & expand.
2731 2000-08-27 Greg McGary <greg@mcgary.org>
2733 * cpplex.c (parse_string): Don't look for backslash
2734 before first char in `namebuf'.
2735 * loop.c (strength_reduce): Skip NOTEs.
2737 2000-08-27 Jason Merrill <jason@redhat.com>
2739 * c-decl.c (duplicate_decls): Don't set TREE_STATIC or clear
2740 DECL_EXTERNAL on a local extern. Don't set DECL_IGNORED_P or
2741 TREE_ASM_WRITTEN, either.
2742 (finish_decl): Adjust.
2744 2000-08-28 Philipp Thomas <pthomas@suse.de>
2746 * ABOUT-GCC-NLS: Remove gettext patches from Paul Eggert as
2747 they have been incorporated into the gettext CVS. Change the text to
2748 reflect the current status of NLS. Add instructions for accessing
2749 the gettext CVS and add the patch from Martin v. Loewis.
2751 2000-08-27 Geoff Keating <geoffk@cygnus.com>
2753 * config/rs6000/rs6000.md (movdi_internal64+5): Make SUBREG-safe
2754 by using gen_lowpart_common.
2755 (movdi_internal64+6): Likewise.
2757 2000-08-26 Alexandre Oliva <aoliva@redhat.com>
2759 * tm.texi (FINI_SECTION_ASM_OP, CRT_CALL_STATIC_FUNCTION):
2762 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Remap register
2763 numbers to the ranges used by GDB.
2765 2000-08-25 Richard Henderson <rth@cygnus.com>
2767 * config/ia64/ia64.h (struct machine_function): Add n_varargs.
2768 * config/ia64/ia64.c (ia64_compute_frame_size): Use it.
2769 (ia64_expand_prologue): Likewise.
2770 (ia64_setup_incoming_varargs): Set it. Properly skip the current
2771 argument for stdargs.
2773 2000-08-25 Jason Merrill <jason@redhat.com>
2775 * integrate.c (expand_inline_function): Pull out the original decl.
2777 2000-08-25 Jim Wilson <wilson@cygnus.com>
2779 * cse.c (cse_insn): Don't pass label subtraction to force_const_mem.
2781 * function.c (gen_mem_addressof): Clear MEM_ALIAS_SET if no decl.
2783 2000-08-25 Greg McGary <greg@mcgary.org>
2785 * flow.c (dump_edge_info): Use ARRAY_SIZE.
2786 * config/alpha/alpha.c (alpha_expand_block_move): Likewise.
2788 2000-08-25 Richard Earnshaw <rearnsha@arm.com>
2790 * arm.h (STRUCT_VALUE): Define to 0, not NULL.
2792 Fri Aug 25 12:52:49 EDT 2000 John Wehle (john@feith.com)
2794 * i386.c (ix86_find_base_term): New.
2795 * i386-protos.h (ix86_find_base_term): Prototype.
2796 * i386.h (FIND_BASE_TERM): Define.
2797 * alias.c (find_base_term): Use it.
2798 * tm.texi (FIND_BASE_TERM): Document it.
2800 * alias.c (true_dependence, write_dependence_p): Unchanging
2801 memory can't conflict with non-unchanging memory.
2803 * alias.c (memrefs_conflict_p): A BLKmode reference
2804 to a symbol (or CONST_INT address) always conflicts
2805 with a reference to another symbol.
2807 2000-08-25 Joseph S. Myers <jsm28@cam.ac.uk>
2809 * c-common.c (time_char_table): Don't allow width and flags with
2812 2000-08-25 Jakub Jelinek <jakub@redhat.com>
2814 * config/i386/i386.c (ix86_expand_branch): Treat GE and GEU the same
2815 way as LT and LTU when the second operand has 0 in low word.
2817 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2819 * basic-block.h (struct loop): Rename `exits' field to
2820 `exit_edges'. Add `entry_edges' and `num_entries' fields.
2822 * flow.c (flow_loop_exit_edges_find): Rename from flow_loop_exits_find.
2823 (flow_loop_entry_edges_find): Add.
2824 (flow_edge_list_print): Rename from flow_exits_print.
2825 (flow_loops_find): Call flow_loop_entry_edges_find.
2826 (flow_loop_dump): Dump entry_edges list.
2827 (flow_loops_free): Free entry_edges.
2829 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2831 * loop.c (loop_dump_aux, debug_loop): New functions.
2832 (LOOP_BLOCK_NUM_1, LOOP_BLOCK_NUM, LOOP_INSN_UID): New macros.
2834 * flow.c (flow_loops_dump): Add callback parameter.
2835 (flow_loop_dump): Add callback parameter and call it. Move
2836 loop note debugging code to loop_dump_aux.
2838 * basic-block.h (flow_loop_dump): Add callback parameter
2839 (flow_loops_dump): Likewise.
2841 * toplev.c (rest_of_compilation): Add NULL callback function pointer
2842 to call to flow_loops_dump.
2844 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2846 * loop.c (count_loop_regs_set): Replace start and end arguments
2847 with loop argument. All callers udated.
2849 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2851 * loop.c (constant_high_bytes): Delete.
2853 2000-08-26 Michael Hayes <mhayes@cygnus.com>
2855 * loop.c (prescan_loop): Move checks for NOTE_INSN_LOOP_CONT
2856 and NOTE_INSN_LOOP_VTOP to...
2857 (find_and_verify_loops) ...here.
2859 Fri Aug 25 04:21:13 2000 Alexandre Oliva <aoliva@redhat.com>
2861 * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Define default.
2862 (fini_dummy, init_dummy): Use it.
2864 Fri 25-Aug-2000 08:03:27 BST Neil Booth <NeilB@earthling.net>
2866 * cpplex.c (is_macro_disabled): Caller has already checked
2867 that we're not a preprocessed file.
2869 2000-08-24 Mark Mitchell <mark@codesourcery.com>
2871 * Makefile.in (C_AND_OBJC_OBJS): Remove c-iterate.o.
2872 (c-iterate.o): Remove target.
2873 * gcc/c-common.h (enum rid): Remove RID_ITERATOR.
2874 * gcc/c-decl.c (init_decl_processing): Remove call to init_iterators.
2875 (finish_decl): Don't handle iterators.
2876 (grokdeclarator): Likewise.
2877 * gcc/c-parse.gperf: Remove __iterator and __iterator__ keywords.
2878 * gcc/c-gperf.h: Regenerated.
2879 * gcc/c-iterate.c: Removed.
2880 * gcc/c-lex.c (init_lex): Don't handle iterators.
2881 * gcc/c-parse.in (primary): Remove pop_iterator_stack call.
2882 (compstmt_primary_start): Remove push_iterator_stack call.
2883 (stmt): Don't allow iterator statements. Replace iterator_expand
2884 with expand_expr_stmt.
2885 (all_iter_stmt): Remove.
2886 (all_iter_stmt_simple): Likewise.
2887 (all_iter_stmt_with_decl): Likewise.
2888 * gcc/c-tree.h (ITERATOR_P): Remove.
2889 (ITERATOR_BOUND_P): Likewise.
2890 (init_iterators): Remove declaration.
2891 (iterator_expand): Likewise.
2892 (iterator_for_loop_start): Likewise.
2893 (iterator_for_loop_end): Likewise.
2894 (iterator_for_loop_record): Likewise.
2895 (push_iterator_stack): Likewise.
2896 (pop_iterator_stack): Likewise.
2897 * gcc/c-typeck.c (decl_constant_value): Don't check ITERATOR_P.
2898 (readonly_warning): Likewise.
2899 * gcc/tree.h (ITERATOR_BOUND_P): Don't mention it.
2901 2000-08-24 Jim Wilson <wilson@cygnus.com>
2903 * c-common.c (decl_attributes, case A_ALIGN): Revert last change.
2904 Copy type in a TYPE_DECL, just like pushdecl does.
2906 2000-08-24 Richard Henderson <rth@cygnus.com>
2908 * toplev.c (main): Enable flag_reorder_blocks at -O2.
2910 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2912 * ggc-page.c (alloc_page): If HAVE_MMAP_ANYWHERE and we're
2913 asked for one page, allocate GGC_QUIRE_SIZE of them and put
2914 the extras on the free list.
2915 (release_pages): Clean up.
2916 (ggc_set_mark): Don't adjust G.allocated here...
2917 (sweep_pages): ... do it here.
2919 2000-08-24 Zack Weinberg <zack@wolery.cumb.org>
2921 * cppfiles.c (read_include_file): Rearrange initializations.
2923 2000-08-24 Richard Henderson <rth@cygnus.com>
2925 * stmt.c (expand_asm_operands): Treat EXTRA_CONSTRAINT like g or X.
2927 * config/ia64/ia64-protos.h: Update.
2928 * config/ia64/ia64.c (gr_register_operand): New.
2929 (fr_register_operand, grfr_register_operand): New.
2930 (gr_nonimmediate_operand, grfr_nonimmediate_operand): New.
2931 (grfr_reg_or_8bit_operand): New.
2932 (gr_reg_or_0_operand): Rename from reg_or_0_operand and
2933 use gr_register_operand.
2934 (gr_reg_or_5bit_operand, gr_reg_or_6bit_operand): Likewise.
2935 (gr_reg_or_8bit_operand, gr_reg_or_8bit_adjusted_operand): Likewise.
2936 (gr_reg_or_8bit_and_adjusted_operand): Likewise.
2937 (gr_reg_or_14bit_operand, gr_reg_or_22bit_operand): Likewise.
2938 (fr_reg_or_fp01_operand): Likewise.
2939 (not_postinc_memory_operand): New.
2940 (ia64_split_timode): Remove unused variables.
2941 (rtx_needs_barrier): Check arguments to cmpxchg.
2942 (builtin_description): Remove.
2943 (bdesc_2argsi, bdesc_2argdi): Remove.
2944 (ia64_init_builtins): Declare all builtins directly.
2945 (ia64_expand_fetch_and_op): Rewrite to be called from
2946 ia64_expand_builtin directly. Use expand_binop and co.
2947 (ia64_expand_op_and_fetch): Likewise.
2948 (ia64_expand_compare_and_swap): Likewise.
2949 (ia64_expand_binop_builtin): Remove.
2950 (ia64_expand_lock_test_and_set): New.
2951 (ia64_expand_lock_release): New.
2952 (ia64_expand_builtin): Use them.
2953 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_S): New.
2954 (EXTRA_CONSTRAINT): Use it.
2955 (PREDICATE_CODES): Update.
2956 * config/ia64/ia64.md (*): Use gr_register_operand and co.
2957 (mf): Indicate that we set memory as well as use it.
2958 (fetchadd_acq_si): Show memory being modified as well.
2959 (fetchadd_acq_di, cmpxchg_acq_si, cmpxchg_acq_di): Likewise.
2960 (val_compare_and_swap_si, val_compare_and_swap_di): Remove.
2961 (lock_test_and_set_si, lock_test_and_set_di): Remove.
2962 (fetch_and_add_si, fetch_and_sub_si, fetch_and_or_si): Remove.
2963 (fetch_and_and_si, fetch_and_xor_si, fetch_and_nand_si): Remove.
2964 (fetch_and_add_di, fetch_and_sub_di, fetch_and_or_di): Remove.
2965 (fetch_and_and_di, fetch_and_xor_di, fetch_and_nand_di): Remove.
2966 (add_and_fetch_di, sub_and_fetch_di, or_and_fetch_di): Remove.
2967 (and_and_fetch_di, xor_and_fetch_di, nand_and_fetch_di): Remove.
2968 (add_and_fetch_si, sub_and_fetch_si, or_and_fetch_si): Remove.
2969 (and_and_fetch_si, xor_and_fetch_si, nand_and_fetch_si): Remove.
2970 * config/ia64/ia64intrin.h (*): Cast result to the appropriate
2971 return type. Pretty print definitions.
2973 2000-08-24 Jim Wilson <wilson@cygnus.com>
2975 * config/ia64/ia64.md (movdi): Don't call gen_movdi_symbolic if
2976 we have a SYMBOL_REF with SYMBOL_REF_FLAG set.
2978 2000-08-24 Jason Merrill <jason@redhat.com>
2980 * dwarf2out.c (AT_flag, AT_int, AT_unsigned, AT_string, AT_ref,
2981 AT_loc, AT_addr, AT_lbl): Abort on unsuitable input.
2982 (get_AT_low_pc, get_AT_hi_pc, get_AT_string, get_AT_flag,
2983 get_AT_unsigned, get_AT_ref): Don't call them if get_AT fails.
2985 2000-08-24 Greg McGary <greg@mcgary.org>
2987 * optabs.c (init_optabs): Initialize fixtab, fixtrunctab, floattab,
2988 and extendtab within their proper array boundaries.
2989 * emit-rtl.c (init_emit_once): Pass `const_tiny_rtx' with bounds
2990 for the entire array.
2992 * config/arm/arm.c (arm_override_options): Use ARRAY_SIZE.
2993 * config/alpha/alpha.c (alpha_lookup_xfloating_lib_func): Likewise.
2994 * config/avr/avr.c (order_regs_for_local_alloc): Likewise.
2995 * config/fr30/fr30.c (fr30_print_operand): Likewise.
2996 * config/i386/dgux.c (output_options): Likewise.
2997 * config/i386/dgux.h (ASM_FILE_START): Likewise.
2998 * config/m88k/m88k.c (output_options): Likewise.
2999 * config/m88k/m88k.h (ASM_FILE_START): Likewise.
3000 * config/mcore/mcore.c (mcore_output_inline_const_forced,
3001 layout_mcore_frame, handle_structs_in_regs): Likewise.
3002 * config/mips/mips.c (output_block_move): Likewise.
3003 * config/rs6000/rs6000.c (rs6000_override_options,
3004 rs6000_file_start): Likewise.
3005 * config/sparc/sparc.c (sparc_add_gc_roots): Likewise.
3006 * fixinc/fixfixes.c (FIX_TABLE_CT): Likewise.
3007 * fixinc/fixtests.c (TEST_TABLE_CT): Likewise.
3008 * builtins.c (expand_builtin_setjmp): Likewise.
3009 * expr.c (safe_from_p): Likewise.
3010 * flow.c (life_analysis): Likewise.
3011 * fold-const.c (size_int_type_wide): Likewise.
3012 * gcc.c (translate_options, init_spec, set_spec, main): Likewise.
3013 * genattrtab.c (make_length_attrs): Likewise.
3014 * genopinit.c (gen_insn): Likewise.
3015 * genrecog.c (NUM_KNOWN_PREDS, NUM_SPECIAL_MODE_PREDS): Likewise.
3016 * global.c (global_alloc): Likewise.
3017 * local-alloc.c (find_free_reg): Likewise.
3018 * mips-tdump.c (print_symbol): Likewise.
3019 * mips-tfile.c (parse_def, parse_input): Likewise.
3020 * reload1.c (NUM_ELIMINABLE_REGS): Likewise.
3021 * stmt.c (expand_nl_goto_receiver): Likewise.
3022 * stor-layout.c (set_sizetype): Likewise.
3023 * varasm.c (decode_reg_name): Likewise.
3024 * toplev.c (decode_f_option, decode_W_option,
3025 set_target_switch, print_switch_values): Likewise.
3026 (NUM_ELEM): Remove macro.
3027 (display_help, main): s/NUM_ELEM/ARRAY_SIZE/
3029 2000-08-24 Greg McGary <greg@mcgary.org>
3031 * tree.h (enum tree_index): New member `TI_MAIN_IDENTIFIER'.
3032 (MAIN_NAME_P, main_identifier_node): New macros.
3033 * c-common.c (c_common_nodes_and_builtins): Init main_identifier_node.
3034 * c-decl.c (start_decl, grokdeclarator, start_function,
3035 store_parm_decls, finish_function): Use MAIN_NAME_P.
3036 * config/avr/avr.c (function_prologue, function_epilogue): Likewise.
3037 * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
3038 * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
3039 * config/pdp11/pdp11.c (output_function_prologue): Likewise.
3041 2000-08-24 Greg McGary <greg@mcgary.org>
3043 * cppfiles.c (actual_directory): Don't write beyond `dir'
3044 when it contains "".
3045 * real.c (asctoeg): Stay within bounds of etens[][].
3047 2000-08-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3049 * dependence.c (dependence_string, direction_string,
3050 dump_one_node, dump_node_dependence): Hide unused identifiers.
3051 (get_low_bound, normalize_coefficients): Match definition to
3053 (get_one_coefficient): Initialize variables `value0_is_idx' and
3055 (ziv_test, gcd_test): Mark parameters with ATTRIBUTE_UNUSED.
3056 (ziv_test): Delete variable `idx', use parameter `sub' instead.
3057 (direction_merge): Avoid automatic aggregate initialization.
3058 (have_dependence_p): Use `src' not `dest' to set `src_idx'.
3059 Initialize variables `dest_idx' and `src_idx'.
3060 (end_dependence_analysis): Avoid C89 style function definition.
3062 2000-08-24 Joseph S. Myers <jsm28@cam.ac.uk>
3064 * c-common.c (time_char_table): Don't allow width with %F.
3065 (check_format_info): Don't allow "Z" length with scanf.
3067 2000-08-24 Gabriel Dos Reis <gdr@codesourcery.com>
3069 * diagnostic.c (finish_diagnostic): Define.
3070 (output_do_printf): Use wrap_text instead of output_add_string.
3071 (default_print_error_function): Avoid embedded '\n'.
3073 * diagnostic.h (flush_diagnostic_buffer): Declare.
3075 2000-08-23 Alexandre Oliva <aoliva@redhat.com>
3077 * dependence.c: Replace `[][]' with `[][MAX_SUBSCRIPTS]'.
3079 2000-08-23 Hans-Peter Nilsson <hp@axis.com>
3081 * Makefile.in (GCC_PASSES): Add specs.
3083 2000-08-23 Jim Wilson <wilson@cygnus.com>
3085 * frame.h (IA64_UNW_EHANDLER, IA64_UNW_UHANDLER): New.
3086 * config/ia64/frame-ia64.c (__get_personality): Return zero if neither
3087 EHANDLER nor UHANDLER bit is set.
3088 (__get_except_table): Likewise.
3090 2000-08-23 Nick Clifton <nickc@redhat.com>
3092 * config/arm/lib1funcs.asm: Replace upper case condition codes
3093 with lower case versions.
3095 * config/arm/arm.h (STRUCT_VALUE): Define.
3096 (STRUCT_VALUE_REGNUM): Delete.
3098 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
3100 * cpphash.h (IN_I): New flag for directive table.
3101 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
3103 (_cpp_check_directive): If -fpreprocessed, execute directives
3104 marked with IN_I. Issue no warnings in this case.
3105 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
3107 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
3109 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
3111 (check_format_info): Support printf 'I' flag; warn about it with
3114 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
3116 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
3117 barrier can't be ignored by the alias analysis code.
3119 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
3121 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
3122 works inside fixincl.
3124 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
3126 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
3127 simplify_relational_operation() unless both operands are of
3129 * cse.c (fold_rtx): Likewise.
3131 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
3133 * rtlanal.c (rtx_unstable_p): The pic register is stable
3134 (within one function) and the actual rtx should be used
3135 when checking the registers.
3136 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
3138 * alias.c (true_dependence, write_dependence_p): Fix
3139 bug in previous patch.
3141 * i386.c (ix86_GOT_alias_set): New.
3142 (legitimize_pic_address): Use it.
3144 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
3145 only stable if its address is stable.
3146 (rtx_varies_p): An unchanging MEM can't vary if
3147 its address doesn't vary.
3149 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3151 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
3153 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3155 * vax.h (ASM_SPEC): Pass `-J' to assembler.
3156 * x-vax-gcc: New file for bootstrapping with gcc.
3157 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
3158 * configure.in: Use x-vax-gcc with gcc.
3159 * configure: Rebuilt.
3161 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3163 * toplev.c (rest_of_compilation): Rebuild label notes after
3164 post-reload splitting pass if new labels have been created.
3166 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3168 * diagnostic.h (output_buffer_state): New macro.
3169 * diagnostic.c (diagnostic_for_decl, sorry,
3170 default_print_error_function, output_do_verbatim,
3171 report_diagnostic, report_problematic_module): Use it.
3173 (output_format): Use wrap_text instead of maybe_wrap_text.
3175 2000-08-22 Nick Clifton <nickc@redhat.com>
3177 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
3178 Common code for ARM divide and modulus functions.
3179 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
3181 (FUNC_END): New macro: Common code at the end of the division and
3183 (THUMB_FUNCTION_START): New macro: Common code at the start of
3185 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
3187 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
3189 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
3191 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
3192 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
3195 2000-08-22 Nick Clifton <nickc@redhat.com>
3197 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
3198 restorative additions, test for bottom bits of IP being set,
3199 rather than relying upon the RORs not matching.
3202 2000-08-22 David Edelsohn <edelsohn@gnu.org>
3204 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
3205 text_section() as appropriate instead of emitting text csect
3207 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
3208 (UNIQUE_SECTION): Define macro.
3209 (ASM_OUTPUT_SECTION_NAME): Define macro.
3210 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
3211 on AIX if debugging and -fdata-sections always.
3213 2000-08-22 Steven King <sxking@uswest.net>
3215 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
3217 (LDBL_MAX): Same here.
3219 2000-08-22 Richard Henderson <rth@cygnus.com>
3221 * flow.c (tidy_fallthru_edge): Update b->end properly.
3223 2000-08-22 Stan Cox <scox@redhat.com>
3225 * Makefile.in (OBJS): Add dependence.o.
3226 * dependence.c: New file.
3228 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
3230 * calls.c (check_sibcall_argument_overlap_1): Adjust for
3232 (check_sibcall_argument_overlap): Likewise.
3234 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
3236 * invoke.texi (SH Options): Document -m4-nofpu,
3237 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
3238 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
3240 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
3242 * c-common.c (check_format_info): Give the 'some locales' warning
3243 for strftime %Ey rather than the unconditional 'only last 2 digits
3246 2000-08-22 Richard Henderson <rth@cygnus.com>
3248 * alias.c (init_alias_analysis): Do not register
3249 struct_value_incoming_rtx or static_chain_rtx as pointing
3252 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
3254 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
3256 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
3258 * diagnostic.h (report_problematic_module): Declare.
3259 * diagnostic.c (report_problematic_module): New function.
3260 (report_error_function): Tweak.
3262 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3264 * stmt.c (expand_goto_internal, fixup_gotos): Only check
3265 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3267 2000-08-21 Richard Henderson <rth@cygnus.com>
3269 * flow.c (calculate_global_regs_live): Mark frame pointer live
3270 everywhere before reload.
3272 2000-08-21 Jim Wilson <wilson@cygnus.com>
3274 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
3275 INTEL_EXTENDED_IEEE_FORMAT.
3276 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
3277 clear last two bytes of output FP value.
3279 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
3281 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
3283 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3285 * unroll.c (loop_find_equiv_value): If ret is modified between
3286 insn and loop_start, ret might not be equivalent to reg.
3288 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3290 * c-common.c (init_dollar_format_checking,
3291 maybe_read_dollar_number, finish_dollar_format_checking): New
3293 (dollar_arguments_used, dollar_arguments_count,
3294 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
3296 (check_format_info): Support $ formats for scanf and printf width
3297 and precision. Always increment format_chars to advance past the
3298 '*' of precision, not just when the format parameters are
3301 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3303 * mips.c (block_move_loop, expand_block_move,
3304 function_arg_partial_nregs, save_restore_insns, function_prologue,
3305 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
3307 (function_arg_advance, function_arg): Match argument to format
3310 2000-08-21 Nix <nix@esperi.demon.co.uk>
3312 * gcc.c (do_spec_1): Implement %j spec flag.
3313 Remove dead comment.
3315 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
3316 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
3317 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
3318 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
3320 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
3321 writable) instead of hardcoded value.
3323 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
3325 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
3328 * gcc.c (cc1_options): Do not process -o or run the assembler if
3330 * objc/lang-spec.h: Likewise.
3332 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
3334 * fixinc/fixincl.c (fix_with_system): Pipe the output of
3335 "external" fixes through `cat', to avoid truncating the input
3336 file by redirection.
3338 2000-08-21 Jakub Jelinek <jakub@redhat.com>
3340 * config/i386/i386.md (lea_general_1): Copy insn condition to split
3342 (lea_general_2, lea_general_3): Likewise.
3344 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3346 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
3347 warnings to user code.
3349 * c-lex.c (readescape, yylex): Likewise.
3351 * c-typeck.c (store_init_value, process_init_element): Likewise
3352 (c_expand_start_case): Format.
3354 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
3356 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
3358 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
3359 and linker_endian_spec to endian_spec.
3360 (ENDIAN_SPEC): Add %{EB} and %{EL}.
3361 (LINK_SPEC): Remove %{EB} and %{EL}.
3362 (ASM_SPEC): Likewise. Use %(endian_spec).
3364 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3366 * c-tree.h (flag_hosted): Move declaration from here...
3367 * c-common.h (flag_hosted): ... to here.
3368 (flag_noniso_default_format_attributes): New declaration.
3369 * c-decl.c (flag_noniso_default_format_attributes): New variable.
3370 (c_decode_option): Set it appropriately for options choosing
3371 language standard variant.
3372 * c-common.c (init_function_format_info): Only provide default
3373 format attributes if flag_hosted. Only provide the gettext
3374 formats if flag_noniso_default_format_attributes. Update
3376 (check_format_info): Disable treatment of %a as a scanf flag in
3379 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
3381 * c-common.c (scan_char_table): Add 'w' to flags for all formats
3383 (check_format_info): Set 'wide' for scanf format widths. Warn for
3384 a zero scanf width. Make the check for writing into a constant
3385 object at the first level of indirection; at later levels, warn if
3386 any type qualifiers are encountered.
3388 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
3390 * reload.c (reload_inner_reg_of_subreg): New function broken out of
3392 (push_reload): Use reload_inner_reg_of_subreg.
3393 (combine_reloads): Do not combine reloads if the input reload
3394 is a SUBREG in which the inner part will need reloading.
3396 * global.c (global_alloc): Avoid passing dumpfile argument to
3398 * toplev.c (rest_of_compilation): Likewise.
3399 * reload.h (reload): Remove dumpfile argument. Callers changed.
3400 (debug_reload, debug_reload_to_stream): Move prototypes here.
3401 * rtl.h (reload): Remove dumpfile argument.
3402 * reload.c (debug_reload): Remove prototype.
3403 (debug_reload_to_stream): Likewise.
3404 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
3407 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3409 * diagnostic.c (context_as_prefix): Export.
3410 (need_error_newline): Remove.
3411 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
3412 (error_module_changed, record_last_error_module,
3413 error_function_changed, record_last_error_function): New functions.
3414 (initialize_diagnostics): Default intialize
3415 lang_diagnostic_starter, lang_diagnostic_finalizer.
3416 (init_output_buffer): Tweak.
3417 (file_name_as_prefix): New function.
3418 (announce_function, default_print_error_function,
3419 report_error_function, set_diagnostic_context): Tweak.
3421 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
3423 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
3424 condition expression.
3426 2000-08-20 Richard Henderson <rth@cygnus.com>
3428 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
3430 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
3432 * cppinit.c (cpp_init): Set global flag when called.
3433 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
3435 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
3437 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
3438 before `process_directive' so that newlines won't be missed
3440 (cpp_printf): Increment `print->lineno' when newline is emitted.
3442 * cppmain.c (cb_ident): Likewise.
3443 (cb_define): Likewise.
3444 (cb_undef): Likewise.
3445 (cb_include): Likewise.
3446 (cb_def_pragma): Likewise.
3447 (dump_macros_helper): Likewise.
3449 2000-08-20 Richard Henderson <rth@cygnus.com>
3451 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
3452 assigned before a loop.
3454 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
3455 (ashrsi3, lshrsi3): Likewise.
3457 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3459 * c-lang.c: #include diagnostic.h
3460 (c_tree_printer): New function.
3461 (lang_init): Initialize lang_printer.
3463 * Makefile.in (c-lang.o): Depends on diagnostic.h
3465 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
3467 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
3469 * diagnostic.c (default_diagnostic_starter,
3470 default_diagnostic_finalizer): New functions.
3471 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
3472 (pedwarn, pedwarn_with_file_and_line, error,
3473 error_with_file_and_line, fatal, warning,
3474 warning_with_file_and_line): Adjust call to report_diagnostic.
3475 (report_diagnostic): Rework.
3476 (set_diagnostic_context): New function.
3478 * diagnostic.h (struct diagnostic_context): New data structure.
3479 (diagnostic_message, diagnostic_argument_list,
3480 diagnostic_file_location, diagnostic_line_location,
3481 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
3482 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
3483 (set_diagnostic_context): Declare.
3484 (report_diagnostic): Change prototype.
3486 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
3488 * fix-header.c (main): Initialize cpplib.
3490 2000-08-19 Michael Meissner <meissner@redhat.com>
3492 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
3493 instructions in it before checking for indirect jumps.
3495 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
3496 in a indirect jump as a potential for conditional execution.
3498 * d30v.h (d30v_init_expanders): Don't declare here.
3499 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
3502 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
3504 * cpp.texi: Add @section for assertions.
3506 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
3508 * loop.c (scan_loop): Use CONST_CALL_P instead of
3509 checking for REG_LIBCALL / REG_RETVAL.
3511 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
3513 * reload1.c (reload_as_needed): Accept dumpfile argument,
3514 pass it to emit_reload_insns.
3515 (emit_reload_insns): Add new dumpfile argument. If non-null
3516 then dump the reloads for each insn into the dumpfile.
3517 (reload): Pass dumpfile to reload_as_needed.
3519 * invoke.texi: Clean up linux-gnu vs linux comments.
3521 2000-08-19 Richard Henderson <rth@cygnus.com>
3523 * config/ia64/ia64.c (reg_or_5bit_operand): New.
3524 (ia64_depz_field_mask): New.
3525 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
3526 (PREDICATE_CODES): Update.
3527 * config/ia64/ia64.md: Update commentary.
3528 (depz_internal): New.
3529 (ashlsi3): Implement directly.
3530 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
3531 (ashldi3): Use shladd.
3532 * config/ia64/ia64-protos.h: Update.
3534 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3536 * toplev.c (independent_decode_option): Always process -g.
3537 Remove third argument, now unused. Adjust caller to match.
3539 2000-08-18 Richard Henderson <rth@cygnus.com>
3541 * combine.c (make_compound_operation): Break after creating
3544 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
3546 * cpplib.c (cpp_register_pragma_space): Just return if the
3547 namespace is already registered.
3549 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
3551 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
3552 constant amount. Do not generate ROTL instruction.
3554 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
3556 * config/sh/elf.h: Do not include sh/sh.h.
3557 * config/sh/rtems.h: Likewise.
3558 * config/sh/rtemself.h: Do not include sh/elf.h.
3559 * configure.in: Get them included with `tm_file's.
3560 * configure: Rebuilt.
3562 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
3563 * config/sh/sh.c (fpscr_set_from_mem): Use them.
3565 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3567 * stor-layout.c (compute_record_type): Don't use mode of single
3568 field as mode of record if not integer mode of same type.
3570 * regmove.c (perhaps_ends_bb_p): New function.
3571 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
3572 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
3573 (fixup_match_1): Likewise.
3574 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
3575 avoid signed/unsigned warnings.
3577 * function.c (fixup_var_refs_1, case MEM): Update CODE after
3580 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
3582 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
3583 (_cpp_trigraph_map): Declaration moved from cpplex.c
3585 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
3586 instead of 256. Use consistent test for designated initializers.
3587 (cpp_init): Initialize trigraph_map.
3588 (initialize_standard_includes, parse_option): Use memcmp
3591 * cpplex.c (init_trigraph_map): Remove.
3592 (trigraph_ok, trigraph_replace, lex_line): Refer to
3595 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
3596 (do_unassert): Remove unused "next" local.
3598 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
3600 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
3602 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
3605 2000-08-17 Richard Henderson <rth@cygnus.com>
3607 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
3608 the first insn in a sequence.
3610 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
3612 * alias.c (true_dependence, write_dependence_p): A read
3613 involving a label_ref or the constant pool doesn't create
3616 * rtl.h (unchanging): Improve documentation.
3618 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
3620 * cse.c (insert_regs): Remove unused `regno'.
3622 2000-08-17 Neil Booth <NeilB@earthling.net>
3624 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
3625 remove_dup_dirs. If qtail == brack, remove brack not
3627 (remove_dup_dir, remove_dup_dirs): New functions.
3629 2000-08-17 Neil Booth <NeilB@earthling.net>
3631 * cppinit.c (cpp_cleanup): Free include dir chains.
3632 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
3633 (do_unassert): Free the assert with _cpp_free_definition.
3634 * cppmacro.c (_cpp_free_definition): Free memory allocated for
3635 assertions. Make the node a T_VOID node.
3637 2000-08-17 Neil Booth <NeilB@earthling.net>
3639 * cppinit.c (path_include, append_include_chain):
3640 Remove 2nd parameter (struct cpp_pending *).
3641 (path_include, initialize_standard_includes, cpp_handle_option):
3642 Update callers appropriately.
3643 (cpp_handle_option): Use pend.
3645 2000-08-17 Neil Booth <NeilB@earthling.net>
3647 * cppinit.c (sort_options): Remove, put functionality in
3650 (initialize_builtins): Free memory.
3651 (cpp_start_read): Move init_IStable to cpp_init.
3653 * cpplib.h (cpp_init): New prototype.
3654 * cppmain.c (main): Call cpp_init.
3656 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
3658 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
3659 (rtx_unstable_p, rtx_varies_p): Process vectors.
3661 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
3663 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
3664 references to GLOBAL symbols. Use LOCAL where appropriate.
3666 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3668 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
3669 use t-aix41 when host == target.
3671 2000-08-16 Richard Henderson <rth@cygnus.com>
3673 * reload.c (push_secondary_reload): Revert last change.
3674 If we use a reload_in/out pattern, make the when the same
3675 as the primary reload.
3676 (find_reloads): Likewise.
3678 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
3680 * configure.in (libstdcxx-v3): Fix test.
3681 * configure: Regenerate.
3683 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3685 * calls.c (calls_function_1, expand_call): Only test
3686 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
3687 * function.c (thread_prologue_and_epilogue_insns): Likewise.
3689 2000-08-16 Richard Henderson <rth@cygnus.com>
3691 * combine.c (simplify_shift_const): Revert previous two
3692 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
3693 before the main loop.
3695 2000-08-15 Richard Henderson <rth@cygnus.com>
3697 * combine.c (simplify_shift_const): Bound shift count when
3700 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3702 * calls.c (ECF_SP_DEPRESSED): New macro.
3703 (calls_function_1): Treat calling sp-depressed function as alloca.
3704 (emit_call_1): Don't adjust SP if calling sp-depressed function.
3705 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
3706 If sp-depressed, ensure block saves and restores SP.
3707 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
3709 * function.c (keep_stack_depressed): New function.
3710 (thread_prologue_and_epilogue_insns): Call it.
3711 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
3712 to print DECL_OFFSET_ALIGN.
3713 Print no-force-blk and transparent-union flags properly.
3714 * stmt.c (expand_goto_internal): Don't restore stack if last block
3715 and function returns with sp depressed.
3716 (fixup_gotos): Likewise.
3717 (save_stack_pointer): New function, from code in expand_decl.
3718 (expand_decl): Call new function.
3719 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
3720 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
3721 (save_stack_pointer): New declaration.
3723 * diagnostic.c (fatal_function): New variable.
3724 (set_fatal_function): New function.
3726 * diagnostic.h (set_fatal_function): New declaration.
3728 2000-08-15 William Cohen <wcohen@redhat.com>
3730 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
3731 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
3732 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
3734 2000-08-15 Richard Henderson <rth@cygnus.com>
3736 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
3738 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3740 * arm.c (arm_function_ok_for_sibcall): New function.
3741 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
3742 * arm.md (call expanders): Don't check here for calls that can't
3745 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3747 * arm.md (splits generating cond_exec): Disable.
3749 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3751 * arm/linux-elf.h (text_section): Delete declaration.
3753 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
3755 ARM support for unordered FP operations.
3756 * arm-protos.h (arm_comparison_operator): Declare.
3757 * arm.c (arm_comparison_operator): New function.
3758 (arm_select_cc_mode): Add unordered comparison codes.
3759 (get_arm_condition_code): Likewise.
3760 (arm_final_prescan_insn): Can't handle unordered jumps that can't
3761 be done in one insn.
3762 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
3763 * arm.md (all uses of comparison_operator): Replace with
3764 arm_comparison_operator.
3765 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
3767 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
3770 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
3772 * gthr-posix.h: Conditionally include <sched.h>; include
3773 <config.h> from libobjc/.
3775 2000-08-14 Richard Henderson <rth@cygnus.com>
3777 * config/i386/i386.c (legitimize_pic_address): Use Pmode
3780 2000-08-14 Richard Henderson <rth@cygnus.com>
3782 * configure.in (ia64-*): Set float_format for i386 long double.
3784 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
3785 as we would for i386 XFmode.
3786 (PUT_REAL): Likewise.
3787 (endian, ereal_atof, real_value_truncate): Likewise.
3788 (ereal_isneg, toe64, etens, make_nan): Likewise.
3789 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
3791 * config/ia64/ia64-protos.h: Update.
3792 * config/ia64/ia64.c (general_tfmode_operand): New.
3793 (destination_tfmode_operand): New.
3794 (tfreg_or_fp01_operand): New.
3795 (ia64_split_timode): New.
3796 (spill_tfmode_operand): New.
3797 (ia64_expand_prologue): Use TFmode not XFmode.
3798 (ia64_expand_epilogue): Likewise.
3799 (ia64_function_arg): Likewise.
3800 (ia64_function_arg_advance): Likewise.
3801 (ia64_return_in_memory): Likewise.
3802 (ia64_function_value): Likewise.
3803 (ia64_print_operand): Likewise.
3804 (ia64_register_move_cost): Set GR<->FR to 5.
3805 (ia64_secondary_reload_class): Get GR for TImode memory op.
3806 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
3807 (ROUND_TYPE_ALIGN): Remove.
3808 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
3809 (INTEL_EXTENDED_IEEE_FORMAT): Define.
3810 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
3811 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
3812 (MODES_TIEABLE_P): Use TFmode, not XFmode.
3813 (CLASS_MAX_NREGS): Likewise.
3814 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
3815 (PREDICATE_CODES): Update.
3816 * config/ia64/ia64.md (movti): New.
3817 (movti_internal): Use a clobber for memory alternatives.
3818 (reload_inti, reload_outti): New.
3819 (movsfcc_astep): Predicate properly.
3820 (movdfcc_astep): Likewise.
3823 (extendsftf2, extenddftf2): New.
3824 (trunctfsf2, trunctfdf2): New.
3825 (floatditf2, fix_trunctfdi2): New.
3826 (floatunsditf2, fixuns_trunctfdi2): New.
3827 (addtf3, subtf3, multf3, abstf2): New.
3828 (negtf2, nabstf2, mintf3, maxtf3): New.
3829 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
3831 (fr_spill): Use TFmode, not XFmode.
3832 (fr_restore): Likewise.
3833 * config/ia64/lib1funcs.asm (__divtf3): New.
3834 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
3836 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3838 * cse.c (fold_rtx): Avoid empty body in an if-statement.
3840 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
3841 `U' integer constant suffix.
3843 * dwarf2out.c (add_subscript_info): Avoid empty body in an
3846 * sparc/sol2.h (__enable_execute_stack): Prototype.
3848 2000-08-14 David Edelsohn <edelsohn@gnu.org>
3850 * collect2.c: Remove use of AIX import file.
3852 * longlong.h: Test ARCH_PWR not ARCH_POWER.
3854 * rs6000.c (print_operand, case 'E'): Add else.
3856 2000-08-14 Richard Henderson <rth@cygnus.com>
3858 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
3859 (movdi_symbolic): New.
3861 2000-08-14 Jim Wilson <wilson@cygnus.com>
3863 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3864 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
3865 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
3868 2000-08-14 Richard Henderson <rth@cygnus.com>
3870 * expr.c (emit_group_load): Don't force constants into registers.
3871 Special case source already in the correct mode.
3873 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
3875 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
3876 * fixinc/inclhack.def: Likewise.
3877 * fixinc/mkfixinc.sh: Likewise.
3878 * configure: Regenerate.
3879 * fixinc/fixincl.x: Regenerate.
3880 * install.texi: Document equivalence of linux and linux-gnu.
3882 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3884 * cse.c (insert_regs): Also in REG case: When finding an invalid
3885 value, and we make a new quantity, make sure that it won't be
3886 mistaken by for a valid one by mention_regs.
3888 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
3890 * h8300.md: Remove obsolete peepholes.
3892 2000-08-13 Kazu Hirata <kazu@hxi.com>
3894 * invoke.texi (H8/300 Options): Fix typos.
3895 * config/h8300.c: Fix formatting.
3896 * config/h8300.h: Fix comment typos.
3897 (OVERRIDE_OPTIONS): Fix formatting.
3899 * function.c: Fix formatting.
3901 * cse.c: Fix formatting.
3903 2000-08-13 Geoff Keating <geoffk@cygnus.com>
3905 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
3906 (attempt_auto_inc): Suppress parentheses warning.
3907 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
3908 * loop.c (load_mems): Remove `u' suffix in two places.
3909 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
3911 * config/rs6000/rs6000.h: Likewise.
3912 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
3913 __eabi dummy routine.
3914 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
3917 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
3918 not put stuff in .sdata unnecessarily.
3919 (rs6000_unique_section): New function.
3920 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
3921 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
3923 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
3924 arrays in C99. Don't try to look at DECL_REGISTER of a
3925 COMPONENT_REF. Don't complain twice about the same error.
3927 * fixinc/inclhack.def (aix_pthread): New fix.
3928 (aix_sysmachine): New fix.
3929 * fixinc/fixincl.x: Regenerate.
3931 * expr.c (expand_expr): Call convert_modes when turning a large
3932 multiply into a small one.
3934 2000-08-12 Geoff Keating <geoffk@cygnus.com>
3936 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
3937 the tree structure an exponent rather than an explicit alignment
3938 so it doesn't overflow.
3939 (SET_DECL_OFFSET_ALIGN): New macro.
3940 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
3941 rather than DECL_OFFSET_ALIGN.
3942 (place_field): Likewise.
3943 * expmed.c (store_bit_field): Abort on align==0 to avoid
3944 antisocial machine behaviour.
3946 2000-08-12 Richard Henderson <rth@cygnus.com>
3948 * sibcall.c (uses_addressof): Accept both addressof and
3949 current_function_internal_arg_pointer inside a mem.
3950 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
3951 if current_function_uses_addressof.
3952 * stmt.c (expand_return): Kill tail recursion and HAVE_return
3955 2000-08-11 Richard Henderson <rth@cygnus.com>
3957 * config/ia64/ia64.md (addsi3): Remove expander.
3958 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
3959 (*addsi3_shladd): New.
3961 2000-08-11 Richard Henderson <rth@cygnus.com>
3963 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
3964 (do_restore): Likewise.
3965 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
3966 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
3967 (rtx_needs_barrier): Track actual bit manipulation for
3968 ar.unat moves, gr_spill, and gr_restore.
3969 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
3970 (process_set): Don't handle varargs spills.
3971 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
3972 .mem.offset here instead of in process_set.
3973 (gr_restore): Likewise.
3975 2000-08-11 Richard Henderson <rth@cygnus.com>
3977 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
3979 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
3981 * gcc.texi (The Configuration File): Document
3982 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
3983 UPDATE_PATH_HOST_CANONICALIZATION.
3985 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3987 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
3988 unprototyped function pointer casts on integer constants.
3990 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
3992 * fixproto: Recognize DOS paths with drive letters as absolute paths.
3994 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
3996 * extend.texi (Volatiles): Fix typos.
3998 2000-08-11 Kazu Hirata <kazu@hxi.com>
4000 * flow.c: Fix formatting.
4002 2000-08-11 Richard Henderson <rth@cygnus.com>
4004 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
4005 pattern, always allocate a tertiary scratch register.
4007 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
4008 (reload_inhi): Likewise.
4010 2000-08-11 Richard Henderson <rth@cygnus.com>
4012 * function.c (put_reg_into_stack): Allow type to be NULL.
4013 (schedule_fixup_var_refs): Likewise.
4014 (gen_mem_addressof): Allow decl to be NULL.
4015 (put_addressof_into_stack): Likewise.
4017 * flow.c (merge_blocks_nomove): Be more careful about
4018 locating the beginning of block A.
4020 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
4022 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4027 * config.in: Reverted the check for <sched.h>.
4029 2000-08-10 Chris Demetriou <cgd@sibyte.com>
4031 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
4032 macros define the name of CTOR and DTOR sections.
4033 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4034 DTOR_LIST_END): Change to use attributes to specify
4036 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
4037 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
4038 DTOR_LIST_END): Same as in mips/elf.h.
4040 2000-08-10 Drew Moseley <dmoseley@redhat.com>
4042 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
4043 disabling just crt0.o.
4045 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
4047 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
4048 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
4049 (EXTRA_SPECS): Add them.
4050 * arm/lib1funcs.asm: Support builds for interworking.
4051 Use macros to eliminate duplicated pieces of code.
4053 2000-08-10 Kazu Hirata <kazu@hxi.com>
4055 * h8300.c (expand_a_rotate): New.
4056 (emit_a_rotate): Likewise.
4057 (h8300_adjust_insn_length): Add support for the rotate insns.
4058 * h8300.md (rotlqi3): New.
4059 (*rotlqi3_1): Likewise.
4060 (rotlhi3): Likewise.
4061 (*rotlhi3_1): Likewise.
4062 (rotlhi3): Likewise.
4063 (*rotlhi3_1): Likewise.
4064 * h8300-proto.h: Add prototypes for expand_a_rotate and
4067 * h8300.c: Fix comment typos.
4068 (dosize): Declare the variable amount as unsigned.
4069 (get_shift_alg): Fix a comparison between signed and unsigned.
4070 (emit_a_shift): Likewise.
4071 (h8300_adjust_insn_length): Simplify the code.
4073 * c-decl.c: Fix formatting.
4075 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4077 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
4078 warning about non-traditional numeric constant suffixes.
4080 * cppexp.c (parse_number): Likewise.
4082 * invoke.texi: (-Wtraditional): Document new behavior.
4084 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4086 * gthr-posix.h: Include auto-host.h. Conditionally include
4088 * configure.in: Check for the <sched.h> header file.
4089 * config.in: Added define for HAVE_SCHED_H.
4091 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4093 * c-typeck.c (process_init_element): For -Wtraditional, warn about
4094 initialization of unions.
4096 * invoke.texi (-Wtraditional): Document new behavior.
4098 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
4100 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
4101 instead of extra_c_flags.
4102 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
4103 * configure: Regenerate.
4104 * config.in: Regenerate.
4106 * cpperror.c (cpp_type2name): New function.
4107 * cpplex.c (lex_line): If we issued an error for an invalid
4108 preprocessing directive, discard that logical line.
4109 * cpplib.c (do_line): Call a hook function if the current file
4110 is renamed by #line.
4111 (do_ident): Pass the contents of the string, not the entire
4112 token, to the callback function.
4113 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
4114 (cb.rename_file): New hook function.
4115 (cb.ident): Adjust prototype.
4116 (cpp_type2name): Prototype.
4117 * cppmacro.c (dump_macro_args): Correct precedence lossage.
4119 * cppmain.c (cb_ident): Update for changed interface.
4120 (cb_rename_file): New function.
4121 (main): Set rename callback.
4123 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
4125 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
4126 multi-word registers.
4128 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4130 * c-common.c (combine_strings, check_format_info): Refer to ISO C
4131 or ISO C89 instead of ANSI C.
4132 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
4133 build_enumerator, do_case): Likewise.
4134 * c-lex.c (parse_float, yylex): Likewise.
4135 * c-parse.in: Likewise.
4136 * c-typeck.c (common_type, build_array_ref, build_binary_op,
4137 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
4138 build_c_cast, convert_for_assignment, set_init_index,
4139 set_init_label, c_expand_start_case): Likewise.
4140 * toplev.c (documented_lang_options, display_help): Likewise.
4142 2000-08-08 Kazu Hirata <kazu@hxi.com>
4144 * h8300.c: Fix formatting.
4145 * h8300.h: Likewise.
4146 * h8300.md: Likewise.
4147 (movsi_h8300hs): Fix formatting of the resulting assembly code.
4149 * reload1.c: Fix formatting.
4151 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
4153 * alpha/alpha.c (alpha_emit_xfloating_libcall):
4154 Use GEN_CALL_VALUE define.
4155 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
4156 * clipper/clipper.md (untyped_call): Likewise.
4157 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
4158 * fx80/fx80.md (untyped_call): Likewise.
4159 * mips/mips.md (untyped_call): Likewise.
4160 * ns32k/ns32k.md (untyped_call): Likewise.
4161 * pa/pa.md (untyped_call): Likewise.
4162 * romp/romp.md (untyped_call): Likewise.
4163 * sparc/sparc.md (untyped_call): Likewise.
4165 2000-08-08 Jason Eckhardt <jle@cygnus.com>
4167 * config/i860/i860.c (singlemove_string): Do not generate assembler
4168 pseudo instructions that must be expanded (that is, with signed
4169 constants larger than 16 bits).
4171 2000-08-08 Richard Henderson <rth@cygnus.com>
4173 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
4174 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
4175 (init_propagate_block_info): Don't kill memory stores at -O0.
4176 (mark_set_1, mark_used_regs): Likewise.
4178 2000-08-08 David Edelsohn <edelsohn@gnu.org>
4180 * rs6000.c (optimization_options): Decorate 'level' as
4182 (mask64_operand): Remove sign-extend thinko.
4183 (rldic_operand): New function.
4184 (load_multiple_operation): regno's are unsigned ints.
4185 (store_multiple_operation): Likewise.
4186 (lmw_operation): Likewise.
4187 (stmw_operation): Likewise.
4188 (includes_lshift_p): shift_mask is unsigned int.
4189 (includes_lshift64_p): New function.
4190 (addrs_ok_for_quad_peep): unsigned int reg1.
4191 (print_operand): Consistently add "else" after
4192 output_operand_lossage().
4193 (print_operand, case 'b'): Fold in case 'W'.
4194 (print_operand, case 'W'): Print rldic MB value.
4195 (output_epilogue): Update Objective-C language string.
4196 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
4197 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
4198 * rs6000.md (ashldi3): Add rldic instruction.
4199 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
4200 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
4203 2000-08-08 Richard Henderson <rth@cygnus.com>
4205 * config/ia64/ia64-protos.h: Remove duplicates. Update
4206 for massive code rearrangements.
4207 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
4208 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
4209 (ia64_local_regs, ia64_need_regstk): Remove.
4210 (ar_ccv_reg_operand): New.
4211 (ia64_gp_save_reg): New.
4212 (struct ia64_frame_info): Combine most of the size elements;
4213 add new gr save elements.
4214 (find_gr_spill): New.
4215 (next_scratch_gr_reg): New.
4216 (mark_reg_gr_used_mask): New.
4217 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
4218 to GR backing store regs when possible.
4219 (ia64_initial_elimination_offset): New.
4220 (ia64_rap_fp_offset): Remove.
4221 (save_restore_insns): Remove.
4222 (setup_spill_pointers): New.
4223 (finish_spill_pointers): New.
4224 (spill_restore_mem): New.
4225 (do_spill, do_restore): New.
4226 (ia64_expand_prologue): Rewrite to use them.
4227 (ia64_expand_epilogue): Likewise.
4228 (ia64_direct_return): Update for current_frame_info changes.
4229 (ia64_function_prologue): Simplify .prologue emission. Emit
4231 (ia64_setup_incoming_varargs): Don't ever emit rtl.
4232 (ia64_dbx_register_number): New.
4233 (ia64_initialize_trampoline): New.
4234 (ia64_secondary_reload_class): Request GR_REGS for integer
4235 arithmetic destined for FR_REGS.
4236 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
4237 (ia64_mark_machine_status): Mark ia64_gp_save.
4238 (rws_access_regno): Rename from rws_access_reg; don't treat
4239 predicates specially.
4240 (rws_access_reg): New. Update all callers.
4241 (rtx_needs_barrier): Remove dead unspecs.
4242 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
4243 (ia64_encode_section_info): Silence signed/unsigned warnings.
4244 (spill_offset, sp_offset, spill_offset_emitted): Remove.
4245 (tmp_reg, tmp_saved): Remove.
4246 (process_set): Rewrite to expect complicated bits via
4247 REG_FRAME_RELATED_EXPR.
4248 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
4249 in the use of ar.ccv; never set RTX_UNCHANGING_P.
4250 (ia64_expand_op_and_fetch): Likewise.
4251 (ia64_expand_compare_and_swap): Likewise.
4252 (ia64_expand_builtin): Likewise.
4253 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
4254 (FIRST_PSEUDO_REGISTER): Update.
4255 (AR_M_REGNO_P): Update.
4256 (FIXED_REGS): Don't mark three local registers as used.
4257 (EXTRA_CC_MODES): New.
4258 (SELECT_CC_MODE): New.
4259 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
4260 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
4261 (FRAME_GROWS_DOWNWARD): Unset.
4262 (STARTING_FRAME_OFFSET): Zero.
4263 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
4264 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
4265 (HARD_FRAME_POINTER_REGNUM): New.
4266 (CAN_DEBUG_WITHOUT_FP): Define.
4267 (TRAMPOLINE_TEMPLATE): Remove.
4268 (TRAMPOLINE_SIZE): Lower to 32.
4269 (TRAMPOLINE_ALIGNMENT): Lower to 64.
4270 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
4271 (PREDICATE_CODES): Update.
4272 (struct machine_function): Add ia64_gp_save.
4273 * config/ia64/ia64.md: Purge unused unspecs.
4274 (movsi patterns): Allow moves to/from AR_M_REGS.
4275 (movdi patterns): Allow moves to/from p0.
4276 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
4277 (gr_spill, gr_restore): Indicate ar.unat read/written.
4278 (nonlocal_goto): Don't pass old frame_pointer.
4279 (nonlocal_goto_receiver): Remove.
4280 (exception_receiver): New.
4281 (builtin_setjmp_setup): New.
4282 (builtin_setjmp_receiver): New.
4283 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
4284 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
4285 (__ia64_restore_stack_nonlocal): Likewise.
4286 (__ia64_trampoline): New.
4287 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
4289 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
4291 2000-08-08 Richard Henderson <rth@cygnus.com>
4293 * frame.h (ia64_frame_state): Add my_psp.
4294 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
4295 (__throw): Pass it in. Don't clobber r7.
4296 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
4297 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
4298 and nothing to do with sp.
4299 (normalize_reg_loc): Use frame->my_psp.
4300 (frame_translate): Handle frame-pointer-less functions. Set
4301 spill_base correctly, in absence of being told.
4302 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
4303 (__ia64_backtrace_helper): New sp argument. Use
4304 builtin_return_address instead of label addresses.
4305 (print_record) [mem_stack_v]: No size member.
4307 2000-08-08 Richard Henderson <rth@cygnus.com>
4309 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
4311 2000-08-08 Richard Henderson <rth@cygnus.com>
4313 * tm.texi (LOCAL_REGNO): Document.
4314 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
4315 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
4316 * reload1.c (reload): Likewise when considering nonlocal labels.
4318 * config/ia64/ia64.h (LOCAL_REGNO): New.
4319 * config/sparc/sparc.h (LOCAL_REGNO): New.
4321 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
4323 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
4325 2000-08-07 Nick Clifton <nickc@redhat.com>
4327 * config/mips/mips.c: Fix compile time warning messages.
4328 * config/mips/mips-protos.h: Add prototype for equality_op.
4330 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
4332 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
4334 * mn10300.md: Use nonimmediate_operand instead of general_operand
4337 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
4339 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
4341 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
4342 * sh.c (expand_block_move): Break long lines.
4343 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
4344 * sh.md (mulsi3): Likewise.
4345 (movdi): Adjust spacing.
4347 2000-08-07 Richard Henderson <rth@cygnus.com>
4349 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
4350 * expr.c (emit_group_store): Don't set it.
4352 2000-08-07 Kazu Hirata <kazu@hxi.com>
4354 * invoke.texi (Options for Debugging Your Program or GCC): Remove
4355 duplicate entries for 'w' and 'z'.
4357 * flow.c: Fix a comment typo.
4359 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4361 * c-parse.in: Changed the language string for Objective-C to "GNU
4364 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4366 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
4367 to improve the Posix thread support for Objective-C.
4369 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
4371 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
4372 CTI_UNSIGNED_PTRDIFF_TYPE.
4373 (signed_size_type_node): Define.
4374 (unsigned_ptrdiff_type_node): Define.
4375 * c-decl.c (init_decl_processing): Create the
4376 signed_size_type_node and unsigned_ptrdiff_type_node types.
4377 * c-common.c (T_SC): Define.
4380 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
4381 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
4383 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
4384 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
4385 flags for %c, %s and %[.
4386 (check_format_info): Only allow leniency for signedness of targets
4387 of character pointers (when pedantic) for formats flagged with
4388 "c", so for strings but not for %hh formats. When pedantic, don't
4389 allow character pointers to substitute for void pointers if a
4390 second level of indirection is present.
4392 2000-08-06 Kazu Hirata <kazu@hxi.com>
4394 * invoke.texi (Options for Debugging Your Program or GCC): Update
4395 the names of dump files.
4397 * h8300.c (dosize): Rearrange code for conciseness.
4398 (split_adds_subs): Likewise.
4400 * loop.c: Fix formatting.
4402 * dwarf2out.c: Fix formatting.
4404 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
4406 * expr.c: Fix formatting.
4408 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4410 * rs6000.c (rs6000_maybe_dead): Prototype.
4412 2000-08-06 Richard Henderson <rth@cygnus.com>
4414 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
4415 HAVE_nonlocal_goto as well.
4416 * config/i960/i960.md (nonlocal_goto): Don't do it here.
4417 * config/pj/pj.md (nonlocal_goto): Likewise.
4419 2000-08-07 Michael Hayes <mhayes@cygnus.com>
4421 * loop.c (try_swap_copy_prop): New function.
4422 (load_mems): Rename copies to load_copies and add new regset
4423 store_copies. Check for sets of shadow registers and mark
4424 in store_copies. Call try_swap_copy_prop for registers
4425 marked in store_copies.
4427 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
4429 * objc/objc-act.c: New command line option -fconstant-string-class
4430 to allow specifying a user defined constant string class,
4431 different from NXConstantString.
4433 * toplev.c: Moved the Objective-C specific options to
4434 objc/lang-options.h.
4436 * objc/lang-options.h: Moved the Objective-C specific options from
4437 toplev.c. Added -fconstant-string-class.
4439 2000-08-05 Chris Demetriou <cgd@sibyte.com>
4441 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4442 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
4443 __CTOR_LIST__ from func_ptr array to just func_ptr, to
4444 avoid extra alignment imposed on arrays.
4445 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
4446 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
4448 * mips.h: Clean up comments and spacing near MASKs.
4449 (TARGET_UNIX_ASM): Delete.
4450 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
4451 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
4454 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
4456 * c-common.c (print_char_table): Add entries for the X/Open '
4457 format flag (print decimals with locale's thousands grouping
4458 character). Make %C expect wint_t.
4459 (check_format_info): If pedantic, warn when the %n$ operand
4460 number form is used. Allow for the ' flag; warn about it if
4463 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
4465 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
4466 type is a float mode, cfun->decl's return type is not, and
4467 TARGET_FLOAT_RETURNS_IN_80387.
4469 2000-08-04 Andreas Schwab <schwab@suse.de>
4471 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
4472 token list, which are always `#' and `pragma'.
4474 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
4476 * tree.c (tree_expr_nonnegative_p): Move to...
4477 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
4478 (rtl_expr_nonnegative_p): New.
4479 * tree.h: Add prototype for rtl_expr_nonnegative_p.
4481 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
4482 CONST_DOUBLE_CHAIN: Move to...
4483 * rtl.h: ...here. Use XCINT/XCEXP.
4485 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
4486 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
4487 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
4490 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
4492 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4494 * config/c4x/c4x.md (return_indirect_internal): New.
4495 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
4497 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4499 * c-common.c (time_char_table): Mark up formats added in C99 and
4500 make other corrections. %D and %g were added in C99. %Og is an
4501 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
4502 C99. %e was added in C99. %Oj is an extension. %G and %z are in
4503 C99 rather than GNU extensions, but %OG and %Oz are extensions.
4504 %h was added in C99. %C was added in C99. %OY and %OC are
4505 extensions. Add the C99 format %F.
4506 (check_format_info): If pedantic and not in C99 mode, warn for C99
4509 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4511 * function.c (schedule_fixup_var_refs): New function, broken out
4512 of put_reg_into_stack.
4513 (put_reg_into_stack): Use it.
4514 (put_var_into_stack): In CONCAT case, fixup up references for
4515 components only after fixing up references to the whole concat.
4517 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
4519 * alias.c (mark_constant_function): Use INSN_P.
4520 (init_alias_analysis): Likewise.
4521 * combine.c (combine_instructions): Use INSN_P.
4522 (can_combine_p): Likewise.
4523 (try_combine): Likewise.
4524 (distribute_notes): Likewise.
4525 (distribute_links): Likewise.
4526 * cse.c (cse_around_loop): Use INSN_P.
4527 (invalidate_skipped_block): Likewise.
4528 (cse_set_around_loop): Likewise.
4529 (cse_end_of_basic_block): Likewise.
4530 (delete_trivially_dead_insns): Likewise.
4531 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
4532 (unshare_all_rtl_1): Likewise.
4533 (next_cc0_user): Likewise.
4534 (try_split make_insn_raw): Likewise.
4535 (remove_unnecessary_notes): Likewise.
4536 * final.c (shorten_branches): Use INSN_P.
4537 (leaf_renumber_regs): Likewise.
4538 (leaf_renumber_regs_insn): Likewise.
4539 * flow.c (find_label_refs): Use INSN_P.
4540 (verify_wide_reg): Likewise.
4541 (notice_stack_pointer_modification): Likewise.
4542 (count_or_remove_death_notes): Likewise.
4543 (verify_flow_info): Likewise.
4544 (clear_log_links): Likewise.
4545 * function.c (fixup_var_refs_insns): Use INSN_P.
4546 (compute_insns_for_mem): Likewise.
4547 * gcse.c (alloc_gcse_mem): Use INSN_P.
4548 (compute_sets): Likewise.
4549 (compute_hash_table): Likewise.
4550 (classic_gcse): Likewise.
4552 (insert_insn_end_bb): Likewise.
4553 (delete_null_pointer_checks_1): Likewise.
4554 * global.c (expand_preferences): Use INSN_P.
4555 (build_insn_chain): Likewise.
4556 * graph.c (node_data): Use INSN_P.
4557 * haifa-sched.c (priority): Use INSN_P.
4558 (rm_line_notes): Likewise.
4559 (rm_other_notes): Likewise.
4560 (find_insn_reg_weight): Likewise.
4561 (init_target_units): Likewise.
4562 (schedule_block): Likewise.
4563 (compute_block_forward_dependences): Likewise.
4564 (debug_dependencies): Likewise.
4565 (set_priorities): Likewise.
4566 * integrate.c (function_cannot_inline_p): Use INSN_P.
4567 (save_parm_insns): Likewise.
4568 (copy_insn_list): Likewise.
4569 * jump.c (mark_all_labels): Use INSN_P.
4570 (never_reached_warning): Likewise.
4571 * lcm.c (optimize_mode_switching): Use INSN_P.
4572 * local-alloc.c (validate_equiv_mem): Use INSN_P.
4573 (memref_used_between_p): Likewise.
4574 (update_equiv_regs): Likewise.
4575 (block_alloc): Likewise.
4576 (no_conflict_p): Likewise.
4577 * loop.c (scan_loop): Use INSN_P.
4578 (find_and_verify_loops): Likewise.
4579 (count_loop_regs_set): Likewise.
4580 (loop_reg_used_before_p): Likewise.
4581 (strength_reduce): Likewise.
4582 (recombine_givs): Likewise.
4583 (check_dbra_loop): Likewise.
4584 (load_mems): Likewise.
4585 (try_copy_prop): Likewise.
4586 * print-rtl.c (print_rtx): Use INSN_P.
4587 * recog.c (find_single_use): Use INSN_P.
4588 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
4589 (next_flags_user): Likewise.
4590 (swap_rtx_condition): Likewise.
4591 * regmove.c (mark_flags_life_zones): Use INSN_P.
4592 (optimize_reg_copy_1): Likewise.
4593 (optimize_reg_copy_2): Likewise.
4594 (optimize_reg_copy_3): Likewise.
4595 (reg_is_remote_constant_p): Likewise.
4596 (fixup_match_2): Likewise.
4597 (regmove_optimize): Likewise.
4598 (fixup_match_1): Likewise.
4599 * regrename.c (build_def_use): Use INSN_P.
4600 (replace_reg_in_block): Likewise.
4601 (consider_use): Likewise.
4602 * reload.c (find_equiv_reg): Use INSN_P.
4603 * reload1.c (reload): Use INSN_P.
4604 (maybe_fix_stack_asms): Likewise.
4605 (calculate_needs_all_insns): Likewise.
4606 (reload_as_needed): Likewise.
4607 (emit_output_reload_insns): Likewise.
4608 (delete_address_reloads_1): Likewise.
4609 (reload_cse_regs_1): Likewise.
4610 (reload_combine): Likewise.
4611 (reload_cse_move2add): Likewise.
4612 * reorg.c (redundant_insn): Use INSN_P.
4613 (dbr_schedule): Likewise.
4614 * resource.c (find_dead_or_set_registers): Use INSN_P.
4615 (mark_target_live_regs): Likewise.
4616 * rtlanal.c (reg_used_between_p): Use INSN_P.
4617 (reg_referenced_between_p): Likewise.
4618 (reg_set_between_p): Likewise.
4619 (reg_set_p): Likewise.
4620 (single_set): Likewise.
4621 (multiple_sets): Likewise.
4622 (find_last_value): Likewise.
4623 (reg_set_last): Likewise.
4624 (find_reg_note): Likewise.
4625 (find_regno_note): Likewise.
4626 * sibcall.c (sequence_uses_addressof): Use INSN_P.
4627 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
4628 * ssa.c (find_evaluations): Use INSN_P.
4629 (rename_block): Likewise.
4630 (rename_equivalent_regs): Likewise.
4631 * unroll.c (loop_find_equiv_value): Use INSN_P.
4632 (set_dominates_use): Likewise.
4633 * varasm.c (mark_constant_pool): Use INSN_P.
4634 (mark_constants): Likewise.
4635 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
4636 (alphaev4_next_group): Likewise.
4637 (alphaev5_next_group): Likewise.
4638 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
4639 (c4x_rptb_rpts_p): Likewise.
4640 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
4641 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
4642 (rs6000_adjust_priority): Likewise.
4643 * config/sh/sh.c (sh_loop_align): Use INSN_P.
4644 (machine_dependent_reorg): Likewise.
4645 (split_branches): Likewise.
4646 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
4648 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
4650 * combine.c (recog_for_combine): Remove the old notes
4651 prior to attempting to recognize the new pattern.
4652 (distribute_notes): Ignore REG_NONNEG notes.
4654 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
4656 * varasm.c (output_constructor): Add .align 0 for packed vars.
4658 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4660 * configure.in: Use default thread_file even when enable_threads is
4661 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
4662 * configure: Rebuilt.
4664 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
4666 2000-08-04 Donn Terry (donnte@microsoft.com)
4668 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
4670 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
4672 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
4673 Delete code that conditionally modifies 'version'.
4674 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
4675 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
4676 * gcc.c (main): Use it.
4677 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
4678 * prefix.c (update_path): Use it.
4679 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
4680 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
4681 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
4683 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
4684 (SUBTARGET_SWITCHES): Adjust.
4685 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
4687 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
4689 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4691 * c-common.h (flag_isoc94): Declare.
4692 * c-decl.c (flag_isoc94): Define.
4693 (c_decode_option): Set flag_isoc94 as appropriate.
4694 * c-common.c (T_PD, T_IM, T_UIM): Define.
4695 (format_char_info): Add tlen and jlen.
4696 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
4698 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
4700 (time_char_table): Add NULL entries for %t and %j.
4701 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
4702 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
4703 Warn for printf %lf if pedantic and not C99. Don't warn for empty
4704 precision. Allow precision argument to be unsigned int. If
4705 pedantic, warn for %p passed an argument not a pointer to possibly
4706 qualified void or a possibly qualified character type, and for
4707 pointer targets of the wrong sign, except for character pointers.
4709 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4711 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
4712 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
4713 (wint_type_node): Define.
4714 * c-decl.c (WINT_TYPE): Define.
4715 (init_decl_processing): Create the wint_type_node type.
4716 * c-common.c (T_WI): Define.
4717 (print_char_table): Use T_WI for %lc format.
4719 2000-08-04 Bruce Korb <bkorb@gnu.org>
4721 * fixinc/: Verified that the MSDOS patch does not break
4722 the UNIX functionality and applied the next three patches
4725 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
4727 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
4728 output file with the temporary one by appending ".X" to generate
4729 the temporary fuile's name. If the output file already has an
4730 extension, replace it with ".X".
4732 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
4733 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
4734 reallocate the command buffer while copying the command-line
4735 argument. Redirect the output directly to the temporary file,
4736 instead of going through another temporary file.
4737 (process): Close the temporary file before unlinking it.
4738 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
4739 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
4740 (run_compiles): Pass p_fixd argument to machine_matches, as it
4743 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
4744 environment, assume there are no symlinks in the include
4745 directory. When cleaning up the DONE files, look for them
4746 case-insensitively. Don't try to remove symlinks if they aren't
4749 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
4750 all callers changed. Declare pz "const char *", to avoid compiler
4753 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
4754 Change prototype of make_raw_shell_str.
4756 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
4758 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
4759 (initialize) [__MSDOS__]: Use tempnam.
4760 (initialize): Don't use SIGPIPE if it is not defined.
4762 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
4765 2000-07-25 Bruce Korb <bkorb@gnu.org>
4767 * fixinc/fix*.[ch]: substantially reworked to make it possible
4768 to run this program without using fork(2) or pipe(2) (i.e. in
4771 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
4773 * cppdefault.h (WINT_TYPE): Define.
4774 * cppinit.c (builtin_array): Define __WINT_TYPE__.
4775 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
4776 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
4778 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
4780 * (mips_legitimate_address_p): Don't allow register+offset
4781 if the offset is large and negative, and we are compiling
4782 for 64 bit registers.
4784 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4786 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
4787 insn_code_number + 1.
4789 2000-08-04 Kazu Hirata <kazu@hxi.com>
4791 * h8300.c (function_prologue): Rearrange code for conciseness.
4792 (function_epilogue): Likewise.
4793 * h8300.h (OK_FOR_U): Fix formatting.
4795 * cse.c: Fix a comment typo. Fix formatting.
4797 2000-08-03 Richard Henderson <rth@cygnus.com>
4799 * config/i386/i386.md (return_indirect_internal): New.
4800 * config/i386/i386.c (ix86_expand_epilogue): Use it.
4802 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
4804 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
4806 (lex_line): Glue @ onto the beginning of identifiers and
4807 string constants, in Objective-C mode.
4808 (output_token, spell_token): Handle CPP_OSTRING.
4809 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
4810 beginning of a NAME or a STRING, in objc mode.
4812 * cpplib.c (get_define_node): Do not permit identifiers that
4813 begin with @ to be #defined.
4814 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
4815 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
4817 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
4818 * c-tree.h (build_objc_string): Delete prototype.
4819 * objc/objc-tree.def: Delete OBJC_STRING_CST.
4820 * c-lex.c (yylex): Use build_string for all three kinds of strings.
4822 * c-parse.in, objc/objc-act.c: Update commentary.
4824 2000-08-03 Mark Mitchell <mark@codesourcery.com>
4826 * extend.texi: Fix typo in last change.
4828 * extend.texi: Add commentary on statement-expressions and their
4829 interactions with C++.
4831 2000-08-03 Nick Clifton <nickc@cygnus.com>
4833 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
4834 * dwarf.h (LANG_JAVA): Change value to 0x000b.
4836 2000-08-03 Anthony Green <green@cygnus.com>
4838 * dwarf2out.c (gen_compile_unit_die): Add java language support.
4839 (add_bound_info): Check for java language.
4840 (is_java): New function.
4841 * dwarfout.c (output_compile_unit_die): Ditto.
4842 * dwarf.h (dwarf_source_language): Add java source language type.
4843 * dwarf2.h (dwarf_source_language): Ditto.
4845 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4847 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
4850 * i386.c (ix86_expand_branch): Mode of comparison in
4851 IF_THEN_ELSE is VOIDmode.
4853 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
4855 * gengenrtl.c, rtl.c: Avoid #elif.
4857 2000-08-03 Michael Poole <poole@troilus.org>
4859 * tm.texi (Register Classes): Clarify order of sub-initializers
4860 in REG_CLASS_CONTENTS.
4862 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4864 From SAITOH Masanobu:
4865 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
4867 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
4869 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
4870 is not supported by tradcpp and isn't actually needed for cygwin.
4872 2000-08-03 Kazu Hirata <kazu@hxi.com>
4874 * h8300.c: Fix a comment typo.
4875 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
4877 * jump.c: Fix formatting.
4879 * toplev.c: Fix formatting.
4881 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
4883 * flow.c (find_auto_inc): Verify that we've got a REG before
4884 peeking at its regno. Fail, don't abort if we can't find
4885 the increment of the desired register.
4887 * pa.md (shadd height reduction patterns/splitters): Remove.
4889 2000-08-02 Jim Wilson <wilson@cygnus.com>
4891 * config/ia64/ia64-protos.h (flag_ssa): Declare.
4892 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
4894 2000-08-02 Mark Mitchell <mark@codesourcery.com>
4896 * dce.c: Remove all uses of assert.
4897 * dwarf2out.c: Likewise.
4898 * dwarfout.c: Likewise.
4901 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4903 * gcc.h (lang_specific_driver): Constify second argument.
4904 * gcc.c (translate_options, process_command, main): Likewise.
4905 Constify variables to match. Cast second argument to
4908 * cppspec.c, gccspec.c: Adjust type of second argument to
4909 lang_specific_driver, and update code as necessary.
4911 2000-08-02 Jakub Jelinek <jakub@redhat.com>
4913 * loop.c (scan_loop): Ensure update_end label does not
4914 go away until reg_scan_update is run.
4916 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4918 * c-common.h: Prototype min_precision and c_build_qualified_type here...
4919 * c-tree.h: ... not here.
4920 * errors.h: Prototype fancy_abort.
4922 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
4923 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
4924 * regrename.c (regrename_optimize): Make control flow explicit.
4925 (replace_reg_in_block): Initialize reg_use to 0.
4927 * i386.c (legitimate_address_p): Rename error label to
4928 report_error to avoid namespace clash.
4930 2000-08-02 Kazu Hirata <kazu@hxi.com>
4932 * fold-const.c: Fix formatting.
4934 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
4936 * i386.c (legitimate_address_p): Accept other bases than
4937 pic_offset_table_rtx for GOTOFF constructs.
4939 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
4941 * i386.md (shift to lea splitter): Use const_int_operand.
4943 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
4945 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
4946 cppspec.c: Do not use 'legal' or 'illegal' in error messages
4949 * cppmain.c (cb_define, cb_undef): Don't generate any output
4950 if not done_initializing.
4951 * cpplex.c (maybe_paste_with_next): When the token after a ##
4952 is an omitted rest argument, only delete the token before it
4953 if that token is a comma. Do not warn about bogus token
4954 pastes for , ## rest_arg.
4957 * cpp.1: Regenerate.
4959 2000-08-02 Fred Fish <fnf@be.com>
4961 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
4962 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
4965 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
4966 Be directories to search path.
4968 Remove support for __declspec(dllimport) and __declspec(dllexport).
4969 This is leftover cruft from the earlier BeOS gcc port when BeOS
4970 used Microsoft's PE object file format.
4971 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
4972 * config/i386/t-beos (winnt.o): Remove Makefile frag.
4973 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
4974 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
4975 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4976 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
4977 (REDO_SECTION_INFO_P): Remove.
4978 (ASM_EXPORT_DECL): Remove.
4979 (ASM_DECLARE_FUNCTION_NAME): Remove.
4980 (ASM_DECLARE_OBJECT_NAME): Remove.
4981 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
4982 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
4983 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
4984 (STRIP_NAME_ENCODING): Remove.
4986 Remove support for obsolete version of BeOS that is no longer
4988 * configure.in (i*86-*-beospe*): Remove.
4989 * config/i386/beos-pe.h: Remove.
4991 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
4992 Mark Mitchell <mark@codesourcery.com>
4994 * Makefile.in (OBJS): Added dce.o.
4995 (ssa.o): Updated target to include ssa.h.
4997 (toplev.o): Likewise.
4998 (dce.o): Created target.
4999 * basic-block.h: Added comments.
5000 (INVALID_BLOCK): Added definition.
5001 (connect_infinite_loops_to_exit): Added declaration.
5002 Moved SSA declarations to ssa.h.
5003 * flow.c: Added inclusion of ssa.h.
5004 (struct depth_first_search_dsS, depth_first_search_ds):
5006 (compute_immediate_postdominators): Added definition.
5007 (connect_infinite_loops_to_exit): Likewise.
5008 (flow_dfs_compute_reverse_init): Likewise.
5009 (flow_dfs_compute_reverse_add_bb): Likewise.
5010 (flow_dfs_compute_reverse_execute): Likewise.
5011 (flow_dfs_compute_reverse_finish): Likewise.
5012 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
5013 (LABEL_P): Added definition.
5016 (BARRIER_P): Likewise.
5017 (JUMP_TABLE_DATA_P): Likewise.
5018 (INSN_DEAD_CODE_P): Likewise.
5019 * ssa.c: Replaced inclusions with ssa.h inclusion.
5020 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
5021 (rename_registers): Removed unnecessary variables.
5022 * ssa.h: Created by moving declarations from ssa.c and
5024 * timevar.def: Defined TV_DEAD_CODE_ELIM.
5025 * toplev.c: Added ssa.h inclusion.
5026 (dump_file_index): Added DFI_dce.
5027 (dump_file): Added "dce" entry.
5029 (f_options): Added dce entry.
5030 * invoke.texi: Document -fdce. Emphasize experimental status of
5034 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
5036 * cpperror.c (v_message): Split into _cpp_begin_message and
5037 v_message macro. All callers updated.
5038 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
5041 * cppfiles.c (cpp_syshdr_flags): New function.
5042 (read_include_file): Don't call cpp_output_tokens. Call
5044 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
5045 (cpp_reader_init): Don't initialize token_buffer. Call
5046 _cpp_init_internal_pragmas.
5047 (cpp_cleanup): Don't clear token_buffer.
5048 (cpp_start_read): Don't worry about output from -D processing.
5049 Don't call cpp_output_tokens.
5050 (cpp_finish): Don't dump macros here. Don't call
5052 * cppmacro.c (_cpp_dump_definition): Rename
5053 cpp_dump_definition. Write directly to a FILE *.
5054 (dump_funlike_macro): Delete.
5055 (dump_macro_args): New.
5057 * cpplex.c (TOKEN_LEN): Convert to inline function.
5058 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
5059 cpp_scan_line, _cpp_dump_list): Delete.
5060 (cpp_printf, cpp_output_list): New.
5061 (output_line_command): Don't worry about entering or leaving files.
5062 (cpp_scan_buffer): Just output each token as we hit it.
5063 (process_directive): Don't call cpp_output_tokens.
5064 (_cpp_glue_header_name): Don't use token_buffer.
5065 (output_token, dump_param_spelling): Write directly to a FILE *.
5067 * cpplib.c (pass_thru_directive, dump_macro_name,
5068 pragma_dispatch, do_pragma_gcc): Delete.
5069 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
5070 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
5072 (do_error, do_warning, pragma_dependency): Call
5073 _cpp_begin_message, then cpp_output_list.
5074 (cpp_register_pragma, cpp_register_pragma_space,
5075 _cpp_init_internal_pragmas): New.
5076 (do_pragma): Walk the pragmas table here.
5077 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
5078 do_pragma_dependency): Return void.
5079 (do_pragma_implementation): Moved to cppmain.c.
5081 * cpplib.h: Update prototypes.
5082 (struct cpp_reader): Remove printer, token_buffer,
5083 token_buffer_size, and limit. Add struct cb, and pragmas.
5084 (struct cpp_printer): Remove last_id and written.
5085 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
5086 CPP_ADJUST_WRITTEN): Delete.
5087 * cpphash.h: Update prototypes.
5088 (ufputs): New wrapper.
5090 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
5091 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
5092 (main): Set up callbacks. Register #pragma implementation.
5093 Dump macros from here.
5095 2000-08-01 Geoff Keating <geoffk@cygnus.com>
5097 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
5098 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
5099 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
5100 insns if they have a REG_MAYBE_DEAD note attached.
5101 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
5102 (rs6000_emit_load_toc_table): TOC loads may go dead.
5104 2000-08-01 Jim Wilson <wilson@cygnus.com>
5106 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
5107 type exists before using it. Use number of words as alignment
5109 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
5110 ia64_va_arg): Propagate ia64_function_args changes here.
5112 2000-08-01 Richard Henderson <rth@cygnus.com>
5114 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
5115 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
5117 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
5119 From Joern Rennecke:
5120 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
5121 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
5122 unless TARGET_SH3E is set.
5123 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
5125 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
5126 (ashlsi3_std): New pattern.
5127 (ashlsi3 expander): Use it for TARGET_SH3.
5128 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
5130 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5132 * loop.c (canonicalize_condition): Use destination, not source to
5133 determine SET's mode.
5135 2000-07-31 Mark Mitchell <mark@codesourcery.com>
5137 * flow.c (clear_log_links): Fix typo.
5139 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
5141 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
5142 on targets which need more than one insn for a compare/cbranch
5145 2000-07-31 Jim Wilson <wilson@cygnus.com>
5147 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
5148 when computing offset.
5150 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
5152 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
5154 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5156 * flow.c (clear_log_links): Nuke global_live_at_start and
5157 global_live_at_end data, since if the log_links stuff is invalid
5158 so is global_live_at_*.
5160 2000-07-31 Richard Henderson <rth@cygnus.com>
5162 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
5164 2000-07-31 Jakub Jelinek <jakub@redhat.com>
5166 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
5167 (_cpp_get_token): Don't macro expand a just pasted token if it
5168 was pasted at no_expand_level.
5170 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5172 * cppmacro.c (find_param, count_params, save_expansion):
5173 Permit 'defined' as a macro parameter name.
5175 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5177 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
5178 xcpp to cpp throughout.
5179 (native): Remove unnecessary dependency on cpp.
5181 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
5182 tradcpp to tradcpp0.
5183 (.i spec): Add missing output-file spec to cc1 command line.
5184 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
5186 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
5188 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
5189 (implicit_decl_warning): New function.
5190 (implicitly_declare): Use it.
5191 * c-typeck.c (build_external_ref): Use implicit_decl_warning
5192 to complain about implicit decls of builtins.
5194 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
5195 based on pedantic && flag_isoc99, if not already set.
5196 * c-tree.h: Declare mesg_implicit_function_declaration.
5197 Prototype implicit_decl_warning.
5199 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
5201 * Makefile.in (ssa.o): Updated header files in dependences.
5202 * basic-block.h: Added compute_immediate_postdominators declaration.
5203 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
5205 * flow.c (compute_immediate_dominators): Updated comment.
5206 (compute_immediate_postdominators): Added definition.
5207 * rtl.h (HARD_REGISTER_P): Added definition.
5208 * ssa.c: Include additional header files.
5209 (assert): Added definition.
5210 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
5211 include select hard registers.
5212 (ssa_rename_to_insert): Likewise.
5213 (ssa_rename_from_initialize): Likewise.
5214 (ssa_rename_from_lookup): Likewise.
5215 (original_register): Likewise.
5216 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
5217 include select hard reigsters.
5218 (ssa_rename_from_traverse): Likewise.
5219 (ssa_rename_from_free): Likewise.
5220 (ssa_rename_from_print): Likewise.
5221 (ssa_rename_from_print_1): Likewise.
5222 (ssa_rename_from_hash_function): Likewise.
5223 (ssa_rename_from_equal): Likewise.
5224 (ssa_rename_from_delete): Likewise.
5225 (simplify_to_immediate_dominators): Removed in favor of
5226 flow.c:compute_immediate_dominators.
5227 (find_evaluations_1): Modified to work with hard registers.
5228 (insert_phi_node): Likewise.
5229 (insert_phi_nodes): Likewise.
5230 (struct rename_set_data): Updated prev_reg comment.
5231 (create_delayed_rename): Modified to work with hard registers.
5232 (RENAME_NO_RTX): Updated comment.
5233 (apply_delayed_renames): Modified to work with hard registers.
5234 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
5235 (rename_block): Updated to use revised ssa_rename_to interface.
5236 (rename_registers): Updated to use revised ssa_rename_to and
5237 ssa_rename_from interface.
5238 (convert_to_ssa): Revised to use compute_immediate_dominators and
5239 deal with hard registers.
5240 (make_regs_equivalent_over_bad_edges): Modified to work with hard
5241 registers. Added check for illegal unification of hard register.
5242 (make_equivalent_phi_alternatives_equivalent): Modified to work
5243 with hard registers.
5244 (compute_conservative_reg_partition): Likewise.
5245 (coalesce_if_unconflicting): Modified to work with hard registers
5246 and check for conflicting hard registers.
5247 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
5249 (rename_equivalent_regs_in_insn): Modified to work with hard
5251 (record_canonical_element_1): Added definition.
5252 (check_hard_regs_in_partition): Added definition.
5253 (convert_from_ssa): Added data structure deallocation and check
5254 for illegal hard register unification.
5255 (conflict_hard_regs_p): Added definition.
5256 * toplev.c (rest_of_compilation): Added comment.
5258 2000-07-31 Anthony Green <green@redhat.com>
5260 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
5262 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
5264 * builtins.c (expand_builtin_apply): Don't defer pop during
5267 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5269 * calls.c (combine_pending_stack_adjustment_and_call): Only use
5270 preferred_unit_stack_boundary when it is > 1.
5272 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
5274 * c-common.c (init_function_format_info): Add C99 format functions
5277 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
5278 void' or 'register void' as being the special case of 'void' alone
5279 in a parameter list.
5281 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
5282 discarding qualifiers into a plain warning.
5284 2000-07-31 Kazu Hirata <kazu@hxi.com>
5286 * combine.c: Fix formatting.
5288 * h8300.md: Fix formatting.
5290 * local-alloc.c: Fix formatting.
5292 * h8300.c (get_shift_alg): Remove the variable alg.
5293 (emit_a_shift): Rearrange code to improve readability.
5295 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
5297 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
5298 HImode on all architectures and a combination of HImode and SImode
5299 on H8/300H and H8/S.
5301 * h8300.c (split_adds_subs): Rearrange code for conciseness.
5303 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
5305 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
5308 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
5310 * recog.c (extract_insn): Set operand_mode according to
5311 operand if match_operand is VOIDmode.
5313 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5315 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
5317 2000-07-31 Geoff Keating <geoffk@cygnus.com>
5319 * c-parse.in (extdefs): Call ggc_collect between external
5322 2000-07-30 Michael Hayes <mhayes@cygnus.com>
5323 Richard Henderson <rth@cygnus.com>
5325 * Makefile.in (OBJS): Add doloop.o.
5326 * doloop.c: New file.
5328 * final.c (insn_current_reference_address): Return 0 before final.
5329 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
5330 * jump.c (any_uncondjump_p): Likewise.
5331 * loop.c (indirect_jump_in_function): Make static.
5332 (strength_reduce): Call doloop_optimize.
5333 (insert_bct, instrument_loop_bct): Remove.
5334 * loop.h (doloop_optimize): Prototype.
5335 * recog.c (split_all_insns): Split all INSN_P.
5336 * toplev.c (flag_branch_on_count_reg): Default on.
5338 * config/c4x/c4x.c (c4x_optimization_options): Don't set
5339 flag_branch_on_count_reg.
5340 * config/i386/i386.c (override_options): Likewise.
5341 * config/rs6000/rs6000.c (optimization_options): Likewise.
5343 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
5345 (dbra_ge): Remove, as well as all it's splitters.
5347 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
5350 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
5351 (ia64_register_move_cost): Declare.
5352 * config/ia64/ia64.c (ar_lc_reg_operand): New.
5353 (struct ia64_frame_info): Add ar_size.
5354 (ia64_compute_frame_size): Set it.
5355 (save_restore_insns): Save and restore ar.lc.
5356 (ia64_register_move_cost): New, moved from header file. Handle
5357 application registers.
5358 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
5359 (emit_insn_group_barriers): Special case doloop_end_internal.
5360 (ia64_epilogue_uses): Mark ar.lc live at end.
5361 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
5362 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
5363 (FIRST_PSEUDO_REGISTER): Make room.
5364 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
5365 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
5366 (REG_ALLOC_ORDER): Update.
5367 (HARD_REGNO_MODE_OK): Update.
5368 (REGISTER_NAMES): Update.
5369 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
5370 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
5371 (REGNO_REG_CLASS): Update.
5372 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
5373 (REGISTER_MOVE_COST): Move out of line.
5374 (PREDICATE_CODES): Update.
5375 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
5376 (addsi3_plus1_alt, adddi3_plus1_alt): New.
5377 (shladd_elim splitter): Allow constants in the predicate.
5378 (doloop_end, doloop_end_internal): New.
5380 2000-07-30 Richard Henderson <rth@cygnus.com>
5382 * genattrtab.c (struct insn_def): Add lineno member.
5383 (struct insn_ent): Likewise.
5384 (struct attr_desc): Likewise.
5385 (struct delay_desc): Likewise.
5386 (struct function_unit_op): Likewise.
5387 (struct function_unit): Likewise.
5388 (check_attr_value): Use message_with_line.
5389 (check_defs): Likewise.
5390 (expand_units): Likewise.
5391 (check_attr_test): Take a lineno argument.
5392 (gen_attr): Likewise.
5393 (gen_insn): Likewise.
5394 (gen_delay): Likewise.
5395 (gen_unit): Likewise.
5396 (main): Give it to them.
5397 (convert_set_attr_alternative): Take an insn_def argument
5398 instead of num_alt and insn_index.
5399 (convert_set_attr): Likewise.
5400 (write_test_expr): Protect INSN_ADDRESSES load
5401 with INSN_ADDRESSES_SET_P.
5403 2000-07-30 Richard Henderson <rth@cygnus.com>
5405 * flow.c (init_propagate_block_info): Use pc_set.
5407 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
5409 * i386.md (*lea_general_[123]) New insns and splits.
5410 (addsi3 to lea splitter): Handle other modes too.
5411 (shlsi3 to lea splitter): Likewise.
5412 (addhi_1_lea, shlhi_1_lea): New patterns.
5413 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
5415 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
5417 * recog.c (general_operand, nonimmediate_operand): Accept
5418 any mode for VOIDmode CONSTANT_P operands.
5420 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5422 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
5423 instead of replace_rtx.
5424 * recog.c (validate_replace_rtx_subexp): New function.
5425 * recog.h (validate_replace_rtx_subexp): Declare.
5427 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
5429 * combine.c (simplify_set, make_extraction, make_compound_operation
5430 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
5431 as force_to_mode argument.
5433 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5435 * combine.c (if_then_else_cond): Be sure that mode fits in
5438 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5440 * combine.c (record_promoted_value): Allow bitsize of mode
5441 to be equivalent to HOST_BITS_PER_WISE_INT.
5443 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
5445 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
5446 Do not call gen_mode_alignment when mode is BLKmode.
5448 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
5450 * loop.c (express_from_1): Fix call of simplify_gen_binary.
5452 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
5454 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
5455 VOIDmode implies both operands to be VOIDmode.
5456 (simplify_ternary_operation): Compute properly the mode of comparison.
5457 * combine.c (combine_simplify_rtx): Likewise.
5459 2000-07-25 Michael Hayes <mph@paradise.net.nz>
5461 * basic-block.h (struct loops): New field rc_order.
5462 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
5463 (flow_loops_free): Free rc_order.
5464 (flow_depth_first_order_compute): New parameter rc_order.
5465 (flow_loops_find): Allocate rc_order and swap usage with
5468 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5469 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5471 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
5472 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
5473 (nodb_call, return_from_epilogue): Likewise.
5474 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
5475 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
5476 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
5477 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
5478 (c4x_valid_type_attribute_p): Likewise.
5479 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
5480 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
5482 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5484 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
5485 and loadhi_big_constant if applicable.
5486 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
5487 and add new splitter.s
5489 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5491 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
5493 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5495 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
5497 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5499 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
5501 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5503 * config/c4x/libgcc.S (divqf3): Improve accuracy.
5505 2000-07-27 Mark Mitchell <mark@codesourcery.com>
5507 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
5508 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
5509 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
5510 (get_prev_bb_note): Likewise.
5511 (remove_scope_notes): Likewise.
5512 * flow.c (commit_one_edge_insertion): Likewise.
5513 (merge_blocks_nomove): Likewise.
5514 (verify_flow_info): Likewise.
5515 * gcse.c (insert_insn_end_bb): Likewise.
5516 * reg-stack.c (emit_swap_insn): Likewise.
5517 * ssa.c (first_insn_after_basic_block_note): New function.
5518 (insert_phi_node): Use it.
5519 (rename_block): Likewise.
5520 (eliminate_phi): Likewise.
5521 (make_regs_equivalent_over_bad_edges): Likewise.
5522 (make_equivalent_phi_alternatives_equivalent): Likewise.
5523 (for_each_successor_phi): Likewise.
5524 (convert_from_ssa): Modify phi-node deletion algorithm.
5526 2000-07-29 Andreas Jaeger <aj@suse.de>
5528 * configure.in (mips*-*-linux*): Use mips*el to check for little
5529 endian MIPS, add tmake_file.
5531 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
5532 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
5533 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
5535 2000-07-28 Richard Henderson <rth@cygnus.com>
5537 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
5538 Sign extend mode size before negating.
5540 2000-07-28 Richard Henderson <rth@cygnus.com>
5542 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
5544 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
5546 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
5547 (cse_insn): Likewise.
5548 (addr_affects_sp_p): Likewise.
5549 * expr.c (move_by_pieces): Likewise.
5550 (clear_by_pieces): Likewise.
5551 * gcse.c (oprs_unchanged_p): Likewise.
5552 * haifa-sched.c (sched_analyze_2): Likewise.
5553 * recog.c (offsettable_address_p): Likewise.
5554 * regclass.c (record_address_regs): Likewise.
5555 * reload.c (find_reusable_reload): Likewise.
5556 (push_reload): Likewise.
5557 (operands_match_p): Likewise.
5558 (decompose): Likewise.
5559 (find_reloads_address_1): Likewise.
5560 (find_inc_amount): Likewise.
5561 * reload1.c (elimination_effects): Likewise.
5562 * resource.c (mark_set_resources): Likewise.
5563 * flow.c (attempt_auto_inc): New function; mostly broken out
5565 (find_auto_inc): Split into two functions and enhanced to
5566 generate POST_MODIFY.
5567 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
5568 * rtl.h (count_all_occurrences): Declare.
5569 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
5571 * rtlanal.c (count_all_occurrences): New function.
5572 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
5573 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
5575 * config/ia64/ia64-protos.h (destination_operand): Declare.
5576 * config/ia64/ia64.c (destination_operand): New function.
5577 (ia64_print_operand): Handle POST_MODIFY.
5578 (rtx_needs_barrier): Likewise.
5579 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
5580 (HAVE_POST_MODIFY_REG): Define to 1.
5581 (MAX_REGS_PER_ADDRESS): Change to 2.
5582 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
5583 (LEGITIMATE_ADDRESS_REG): New helper macro.
5584 (LEGITIMATE_ADDRESS_DISP): Likewise.
5585 (PREDICATE_CODES): Add entry for destination_operand.
5586 * config/ia64/ia64.md (all mov patterns): Use destination_operand
5587 predicate for operand 0.
5589 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5591 * dwarf2out.c: Indent #error directive.
5593 * gbl-ctors.h: Fix typo in comment.
5594 (__do_global_ctors): Prototype.
5596 * gcse.c (record_one_set, pre_delete): Remove unused variables.
5598 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
5599 (print_operand): Initialize variable `t'.
5601 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
5603 * config/arm/arm.md ("call_value"): removed constraints.
5604 Constraints are ignored in expanders.
5605 (*call_value_reg): split =rf into various constraints.
5606 (*call_value_mem): same
5607 (*call_value_symbol): same
5608 (*sibcall_value_insn): same
5610 2000-07-28 Philipp Thomas <pthomas@suse.de>
5612 * install.texi (--enable-nls): Change the description of the NLS
5613 related configure options to match the current state.
5614 (--with-included-gettext): Likewise.
5615 (--enable-maintainer-mode): New description added.
5616 * extend.texi (-fstrict-prototype): Add missing '.'.
5618 2000-07-27 Jim Wilson <wilson@cygnus.com>
5620 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
5621 DECL_INITIAL (decl) == NULL_TREE.
5623 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
5625 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
5626 on insn-attr.h with it.
5627 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
5628 * insn-addr.h: New header.
5629 (insn_addresses_): Renamed from insn_addresses.
5630 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
5631 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
5632 INSN_ADDRESSES_NEW): New macros.
5633 * genattrtab.c (write_test_expr): Use new macros.
5634 * final.c (insn_addresses, init_insn_lengths): Likewise.
5635 (align_fuzz, shorten_branches): Likewise.
5636 (final): Likewise. Do not reject new insns if their addresses
5637 have been added to INSN_ADDRESSES.
5638 * config/arm/arm.c, config/avr/avr.c: Use new macros.
5639 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
5640 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
5641 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
5642 * config/sh/sh.c: Likewise.
5643 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
5645 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
5647 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
5649 * gcc.c (struct prefix_list): Add member priority.
5650 (enum path_prefix_priority): Declare.
5651 (add_prefix): Replace ``first'' with ``priority''. Append new
5652 entry but keep list in priority order.
5653 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
5654 PREFIX_PRIORITY_LAST to add_prefix.
5655 (process_command): Move include kludge - foo/stageN - to before
5658 2000-07-27 Jason Merrill <jason@redhat.com>
5660 * dwarf2out.c (gen_typedef_die): Abort if we get identical
5661 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
5663 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
5665 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
5666 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
5668 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
5670 * c-decl.c (finish_function): Don't treat 'main' specially unless
5671 flag_hosted. In C99 mode, return 0 from 'main' unless
5672 DEFAULT_MAIN_RETURN is otherwise defined.
5674 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
5675 parameters defaulting to int in an old-style function definition.
5677 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5679 * c-parse.in (string): For -Wtraditional, warn about string
5680 concatenation only once per line.
5682 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
5684 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
5685 for HI-UX/WE2 systems.
5687 2000-07-24 Bruce Korb <bkorb@gnu.org>
5689 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
5690 defining the __xxx_TYPE__ macros.
5691 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
5692 * fixincl/fixlib.h: don't need to include "tm.h" anymore
5693 * fixincl/inclhack.def(type_map): now obsolete
5695 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
5697 * cpp.texi: Append a trailing full-stop to xrefs where needed.
5699 2000-07-26 Dave Pitts <dpitts@cozx.com>
5701 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
5703 (mvs_hash_alias): New function.
5704 (mvs_add_alias): Change argument spacing.
5705 (mvs_need_alias): Change aliasing criteria. Added documentation.
5706 (mvs_get_alias): Change to use hashed name. The hashed name prevents
5707 CSECT name collisions.
5708 (mvs_check_alias): Likewise.
5709 (handle_pragma): Change documentation.
5710 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
5711 mode from SImode to DImode.
5712 (iorhi3): Changed LTORG size for insn.
5714 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
5716 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
5717 mem if the address is a mode_dependent_address_p.
5719 2000-07-26 Kazu Hirata <kazu@hxi.com>
5721 * h8300.c (print_operand): Print ":8" when the 'R' operand is
5722 suitable for 8-bit absolute.
5723 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
5724 (OK_FOR_U): Add a case for the 8-bit constant address on the
5727 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
5729 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
5730 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
5731 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
5732 lack of implemented alignment.
5734 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
5736 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
5737 cross-compiling between 64-bit and 32-bit machines.
5739 2000-07-27 Richard Henderson <rth@cygnus.com>
5741 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
5742 (movhicc_astep, movhi_internal_astep): New.
5743 (movsicc_astep, movsi_internal_astep): New.
5744 (movdicc_astep, movdi_internal_astep): New.
5745 (movsfcc_astep, movsf_internal_astep): New.
5746 (movdfcc_astep, movdf_internal_astep): New.
5747 (movxfcc_astep, movxf_internal_astep): New.
5748 (cmovdi_internal_astep, cmovsi_internal_astep): New.
5749 Unify the cmov[ds]i splitters.
5751 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
5753 * real.c (asctoeg): Rename `error' label to unexpected_char_error
5755 2000-07-26 Nick Clifton <nickc@cygnus.com>
5757 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
5758 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
5760 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
5761 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
5763 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
5765 * c-decl.c (finish_enum): Convert enumerations that fit in an
5767 (build_enumerator): In pedantic mode, cast to `int' those that
5770 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
5772 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
5774 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5776 * sh.md (cmpgtdi_t): Must be split.
5777 (cmpgtdi_t+1): New splitter.
5779 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5781 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
5782 warnings for indented directives even if we are skipping.
5784 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
5786 * invoke.texi (strict-prototypes): Remove.
5787 * extend.texi (Deprecated Features): Add strict-prototypes.
5788 (Backwards Compatibility): New node.
5790 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5792 * config/i386/i386.md (andsi_1+1): Allow HImode.
5793 (andsi_1+2): Require q_regs_operand.
5795 2000-07-25 Jakub Jelinek <jakub@redhat.com>
5797 * config/i386/i386.md (call_pop): Check operands[0],
5798 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5800 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
5801 (call_value): Likewise.
5803 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
5805 * toplev.c (pipe_closed): Delete.
5806 (crash_signal): New. Generate ICE for a fatal signal.
5807 (float_signal): Call crash_signal outside a float-handler
5809 (main): Install crash_signal as handler for core-dumping signals.
5811 2000-07-25 David Edelsohn <edelsohn@gnu.org>
5813 * rs6000.c (print_operand, case 'T'): New case.
5815 * rs6000.md (call_indirect_aix32): Convert to expander of
5816 scheduled instructions.
5817 (call_indirect_aix64): Likewise.
5818 (call_value_indirect_aix{32,64}): Likewise.
5819 (call, call_value): Invoke expanders for AIX. Fall through to
5821 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
5822 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
5823 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
5824 only "g" constraint.
5825 (call_nonlocal_aix64): Likewise.
5826 (call_value_nonlocal_aix{32,64}): Likewise.
5827 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
5829 (call_value_nonlocal_sysv): New pattern.
5830 (indirect_jump{si,di}): Use new 'T' modifier.
5831 (tablejump{si,di} matchers): Likewise.
5832 (return_internal_{si,di}): Likewise.
5833 (return_eh_{si,di}): Likewise.
5835 2000-07-24 Richard Henderson <rth@cygnus.com>
5837 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
5838 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
5839 * config/ia64/ia64.md (movdi_internal): Use it.
5841 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
5843 * cppexp.c: Warn about unary + if -Wtraditional.
5844 * cpplex.c (lex_line): Always set BOL on the first token of a line.
5846 2000-07-24 Michael Meissner <meissner@redhat.com>
5848 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
5851 2000-07-24 Nick Clifton <nickc@cygnus.com>
5853 * config/arm/arm.c (emit_multi_reg_push): Generate a
5854 REG_FRAME_RELEATED_NOTE that is compatable with the code in
5855 dwarf2out_debug_frame_expr.
5857 2000-07-24 Jason Merrill <jason@redhat.com>
5859 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
5860 UNALIGNED_INT_ASM_OP.
5861 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
5862 a location expression.
5863 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
5864 assume indirect access if we're saving the CFA address exactly.
5866 * Makefile.in (bootstrap): Move -BstageN/ to the end.
5868 2000-07-24 Jakub Jelinek <jakub@redhat.com>
5870 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
5873 2000-07-24 Michael Meissner <meissner@redhat.com>
5875 * invoke.texi (D30V Options): Add d30v options.
5877 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
5879 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
5880 needed by our gcse pass anymore.
5881 (free_pre_mem): Corresponding changes.
5882 (compute_pre_data): Do not call compute_transpout anymore.
5884 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
5885 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
5888 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
5889 (compute_pre_data): Do it here instead.
5891 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
5893 (pre_delete): Corresponding changes.
5895 2000-07-23 Mark Mitchell <mark@codesourcery.com>
5897 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
5898 to figure out whether or not a variable has already been emitted.
5900 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
5902 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
5903 instead of gen_call.
5905 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
5907 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
5909 2000-07-23 Kazu Hirata <kazu@hxi.com>
5911 * h8300.c: Fix formatting.
5913 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
5915 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
5916 for `long' switch expression into a plain warning.
5918 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
5919 (yylex): Don't pedwarn for "inline" in C99 mode.
5921 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
5923 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
5924 ggc_alloc): Likewise.
5925 * bb-reorder.c (dump_scope_forest_1): Likewise.
5927 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
5929 * reload.c (find_reloads_toplev): Add new parameter
5931 (find_reloads): Add new parameter to find_reloads_toplev calls.
5933 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
5935 * collect2.c (main): Typo fixed.
5936 * diagnostic.c: Typo fixed.
5937 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
5938 * eh-common.h: Typo fixed.
5939 * emit-rtl.c (start_sequence): Typo fixed.
5940 * flow.c (find_label_refs): Typo fixed.
5941 (calculate_global_regs_live): Typo fixed.
5942 (mark_regno_cond_dead): Typo fixed.
5943 (create_edge_list): Typos fixed.
5944 (verify_edge_list): Typo fixed.
5945 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
5946 * loop.c (strength_reduce): Typo in function name fixed.
5947 * rtl.h: Added comments. Typo in function name fixed.
5948 * rtlanal.c: Typo in function name fixed.
5949 (insn_dependant_p): Rename to ...
5950 (insn_dependent_p): ... this.
5951 (computed_jumo_p): Typo fixed.
5953 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5955 * system.h (__FUNCTION__): Wrap definition in #ifndef.
5957 2000-07-21 David Edelsohn <edelsohn@gnu.org>
5959 * rs6000.h (SIZE_TYPE): Define.
5961 2000-07-21 Mark Mitchell <mark@codesourcery.com>
5963 * ssa.c (rename_insn_1): Don't rename registers that are
5966 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
5968 * diagnostic.c (trim_filename, fancy_abort): Moved here from
5970 (fatal_function, set_fatal_function): Removed.
5971 (fatal): Don't prepare for or call the fatal_function.
5972 (diagnostic_lock, error_recursion): New.
5973 (diagnostic_for_decl, report_diagnostic): Guard against
5974 re-entering the error reporting routines.
5975 (fancy_abort): Assume function is not NULL.
5977 * errors.c (fancy_abort): New. Assume function is not NULL.
5978 * tradcpp.c (fancy_abort): Assume function is not NULL.
5980 * system.h: Provide default definition of __FUNCTION__.
5981 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
5982 Always use __FUNCTION__ in definition of abort.
5984 * varray.h: Likewise.
5985 * toplev.h: Likewise. Don't prototype set_fatal_function.
5987 2000-07-20 Geoff Keating <geoffk@cygnus.com>
5989 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
5991 * glimits.h: Don't do #if defined for ARCH_PPC.
5993 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
5994 constants of size no larger than a pointer should go in the TOC.
5995 Add 'MODE' parameter.
5996 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
5997 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
5998 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
5999 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
6000 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
6001 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
6002 (rs6000_legitimize_address): Likewise.
6003 (rs6000_emit_move): Likewise.
6004 (rs6000_select_rtx_section): Likewise.
6005 (output_toc): Deal properly with outputting small constants like
6006 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
6007 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
6008 MODE parameter. Put small constants in the TOC.
6010 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
6012 (rs6000_emit_move): When reload calls us with an illegitimate
6013 address, exit early. Move the change_address calls to one place
6014 at the end of the routine. Merge the SImode and DImode expanders.
6015 When called by reload to put an integer into a FP register, force
6018 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
6020 (rs6000_hash_constant): Hash mode too.
6021 (toc_hash_function): Allow for key_mode.
6022 (toc_hash_eq): Structures are different if key_mode differs.
6023 (output_toc): Add 'mode' parameter. Save key_mode.
6024 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
6025 Pass 'mode' parameter.
6026 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
6028 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6029 for vtable references.
6031 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
6032 choice, don't put integer values in FP regs.
6034 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
6036 * flow.c (verify_flow_info): Revamp code to verify that the
6037 head and end of each basic block are in the insn chain.
6039 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
6041 * gcse.c (record_one_set): Prepend instead of append onto
6042 reg_set_table, making it O(n) instead O(n^2).
6043 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
6044 Use a queue instead of a stack as worklist.
6046 2000-07-20 Kazu Hirata <kazu@hxi.com>
6048 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
6049 * h8300.h (OK_FOR_T): New.
6050 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6051 * h8300.md: Use inc/dec.[wl] for increment/decrement
6052 by 1 and 2 in HI and SI modes.
6054 2000-07-20 Jim Wilson <wilson@cygnus.com>
6056 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
6057 larger than 14 bits.
6059 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
6061 * cppmacro.c (CAN_PASTE_AFTER): New macro.
6062 (count_params): Don't set GNU_REST_ARGS on anything.
6063 (save_expansion): Set PASTE_LEFT only on tokens for which
6064 CAN_PASTE_AFTER is true, or which are named operators.
6066 * cpplex.c (parse_args): Distinguish between a rest argument
6067 given one empty argument, and a rest argument given zero arguments.
6068 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
6069 deletion of previous token based on that.
6070 (get_raw_token): Flatten some control structure.
6072 * cpplib.h (CPP_LAST_EQ): Correct.
6073 (VOID_REST): New token flag.
6074 (GNU_REST_ARGS): Delete.
6076 * tradcpp.c (main): Don't munge -D options.
6077 (make_definition): Bring -D handling in line with cpplib.
6078 (do_define): Strip all leading whitespace from macro definitions.
6080 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
6082 * Makefile.in (tradcpp): Depend on intl.o and version.o.
6084 2000-07-20 Bruce Korb <bkorb@gnu.org>
6086 * fixincl/check.tpl: strip the platform specific types before testing
6087 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
6088 * fixincl/fixincl.tpl: use platform specific types
6089 * fixincl/fixlib.h: include the platform specific types
6090 * fixincl/inclhack.def(gnu_types): don't supply the types
6091 * fixincl/fixincl.x: regen
6093 2000-07-19 Jim Wilson <wilson@cygnus.com>
6095 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
6098 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6100 * tradcpp.c (rescan): Do not recognize directives when the #
6103 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
6105 Implement C++ named operators.
6107 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
6108 of operators allowed in #if and having an _EQ variant. Add
6109 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
6110 (cpp_token flags): Add NAMED_OP.
6111 (enum node_type): Add T_OPERATOR.
6112 (struct cpp_hashnode): Add code slot to value union.
6113 * cpphash.h (spec_nodes): Remove n_defined.
6115 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
6116 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
6117 (is_macro_disabled): Tweak error messages.
6119 * cpplib.c (get_define_node): Disallow all named operators as
6120 macro names. Tweak error messages.
6121 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
6123 * cppinit.c (builtin_array): Add entries for the named operators.
6124 * cppexp.c (lex): Check for CPP_DEFINED token.
6125 (priority table): Add entries for CPP_MIN and CPP_MAX.
6126 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
6128 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
6130 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
6131 larger than the array of cuids.
6132 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
6135 2000-07-19 Bruce Korb <bkorb@gnu.org>
6137 * fixinc/fixincl.c: Convert to using a table of environment variables
6138 and activate the auto-edit marker on the fixed output files.
6139 * fixinc/fixlib.h: Define the environment table
6140 * fixinc/fixincl.sh: export the ${INPUT} dir
6141 * fixinc/check.tpl: likewise
6143 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6145 * gcc.c (.h spec): Fix typo.
6147 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
6149 * Makefile.in: Fix tradcif.c path.
6151 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
6153 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
6156 * cpphash.h (TOKEN_NAME): New macro.
6157 (_cpp_spell_operator): Deleted.
6158 (token_spellings): Now _cpp_token_spellings.
6160 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
6161 * cpplex.c: Use OP and TK macros when expanding the
6162 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
6163 store the stringification of the enumeration name (CPP_CHAR,
6164 etc.) in the name slot of token_spellings.
6165 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
6166 token_spellings directly.
6167 * cpplib.c: Use TOKEN_SPELL.
6169 * cpplex.c (_cpp_push_token): If the token being pushed back
6170 is the previous token in this context, just subtract one from
6172 * cppmacro.c (save_expansion): Clear aux field when storing a
6175 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6177 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
6178 buffer, provided it is not NULL.
6180 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
6182 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
6183 case of invalid volatile re-declaration.
6185 2000-07-18 Jakub Jelinek <jakub@redhat.com>
6187 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
6188 (expand_call): Adjust caller.
6190 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
6192 * diagnostic.h (report_diagnostic): Change prototype.
6194 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
6195 diagnostic_for_decl): Change prototype.
6196 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
6197 error, warning, error_with_file_and_line,
6198 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
6199 Adjust call to report_diagnostic, diagnostic_for_decl.
6200 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
6201 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
6203 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
6204 varaible argument list.
6206 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6208 * cpphash.c: Don't include hashtab.h. Most macro-handling code
6209 moved to cppmacro.c.
6210 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
6211 dump_hash_helper): Delete.
6212 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
6213 cpp_forall_identifiers): New. Implement specialized version of
6214 Vlad's expandable hash table.
6215 (cpp_lookup): Use new functions.
6216 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
6218 * cppmacro.c: New file.
6219 * cppinit.c (dump_macros_helper): New.
6220 (cpp_finish): Iterate over the identifier table directly.
6221 * cpplex.c (parse_name): Calculate the hash of the identifier
6222 while we scan it. Use _cpp_lookup_with_hash when we can.
6224 * cpphash.h: Update prototypes.
6225 (xcnewvec, HASHSTEP): New helper macros.
6226 * cpplib.h: Update prototypes.
6227 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
6228 (cppmacro.o): New rule.
6229 (cpphash.o): Update deps.
6231 * cppmain.c: Do not set pfile->printer if no_output is on.
6233 2000-07-15 Neil Booth <neilb@earthling.net>
6235 * cpplib.c: Change all directive-handler functions to return
6237 * cpphash.h: Update typedefs.
6239 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6241 * configure: Regenerate.
6243 * extend.texi (Extended Asm): Mention that a memory clobber
6244 does not count as a side-effect.
6246 * unroll.c (copy_loop_body): Fix one instance of using host
6247 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
6250 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
6252 2000-07-17 Richard Henderson <rth@cygnus.com>
6254 * config/ia64/ia64.md (movdi): Split out load address code.
6255 New post-reload splitter for symbolic operands.
6256 (movdi_internal): Abort if we didn't split symbolic operands
6257 when we should have.
6258 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
6259 (ia64_reorg): Split insns when not optimizing.
6260 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
6262 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
6264 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
6265 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
6267 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6269 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
6271 2000-07-17 Jason Merrill <jason@redhat.com>
6273 * Makefile.in (clean): Remove libgcc directory.
6275 * configure.in (-Wno-long-long check): Use higher-level macros.
6277 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
6279 * simplify-rtx.c (simplify_binary_operation): Recognize
6280 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
6281 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6282 a CONST_INT, it will always be zero.
6284 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
6286 * loop.c (check_dbra_loop) : Return if more than one condition is
6287 present to control the loop.
6289 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
6291 * mips.c (mips_expand_prologue): Don't calculate the last argument
6292 register unless we need it. When we are calculating this, make
6293 sure FUNCTION_ARG is giving us a REG.
6295 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
6297 * flow.c (libcall_dead_p): Use single_set to verify the insn
6298 has only one set and get for analysis.
6299 (propagate_one_insn): Don't pass the PATTERN of the insn.
6301 2000-07-17 Mark Klein <mklein@dis.com>
6303 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
6305 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6307 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
6308 * configure.in (TARGET_GETGROUPS_T): Evaluate.
6309 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
6310 of second argument of getgroups.
6311 * configure, config.in: Rebuilt.
6313 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
6315 * simplify-rtx.c (simplify_relational_operation): Two signed
6316 values with equal high words are less/greater than each other if
6317 their low words are less/greater when considered as unsigned.
6319 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
6321 * configure.in (vax-*-openbsd): Change to new style configuration,
6322 add collect2/float_format information.
6323 * configure: Rebuilt.
6324 * config/vax/openbsd1.h: New.
6325 * config/vax/openbsd.h: New.
6326 * config/vax/t-openbsd: New.
6328 2000-07-17 Chip Salzenberg <chip@valinux.com>
6330 * c-common.c (shorten_compare): Quiet warnings about unsigned
6331 comparisons with zero when they occur in a system header.
6333 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
6335 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
6336 update to describe current practice.
6338 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
6340 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
6341 references to C9X. Change references to -fstd and -flang-isoc9x
6344 * c-common.c (scan_char_table): Allow "z" length modifiers on
6346 (check_format_info): Use TYPE_DOMAIN on the type matched against
6347 for "z" formats, to retrieve the language size_t rather than the
6350 * c-common.c (check_format_info): Do not make a pedantic objection
6351 to the 'L' length modifier if used with a floating point type
6354 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
6355 constants in C99 mode.
6357 2000-07-17 Kazu Hirata <kazu@hxi.com>
6359 * h8300.md: Fix the format of mac.
6360 (movsi_h8300hs): Output a tab after stmac instead of a space.
6362 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
6363 profitable adds/subs sequences.
6365 * fold-const.c: Fix comment typos.
6367 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
6369 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
6371 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6373 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
6375 2000-07-16 Neil Booth <NeilB@earthling.net>
6377 * cpplex.c: Update comments.
6378 * README.Portability: Small update.
6380 2000-07-16 Neil Booth <NeilB@earthling.net>
6382 * README.Portability: Small update.
6384 2000-07-15 Richard Henderson <rth@cygnus.com>
6386 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
6387 * config/ia64/ia64.c (ia64_move_ok): New function.
6388 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
6389 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
6391 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
6393 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
6394 immediately following a paste operator.
6395 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
6396 (cpp_reader_init): Call it, if HOST_EBCDIC.
6397 (cpp_handle_options): Do not sort option list here.
6398 (handle_option): Rename to cpp_handle_option and export.
6399 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
6400 _cpp_get_token directly.
6401 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
6402 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
6403 * cpplib.h: Prototype cpp_handle_option. Update prototype of
6406 2000-07-15 Richard Henderson <rth@cygnus.com>
6408 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
6409 cast around an expression. Tidy other unsigned tests.
6411 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
6413 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
6414 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
6415 (v_message_with_decl): Rename to ...
6416 (format_with_decl): ... this. Tweak
6417 (diagnostic_for_decl): New function.
6418 (fatal_io_error): Use verbatim in lieu of notice.
6419 (announce_function): Use verbatim.
6420 (default_print_error_function): Likewise.
6421 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
6424 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6426 * mips.c (function_arg_pass_by_reference): Don't do automatic
6427 aggregate initialization.
6428 (machine_dependent_reorg): Initialize variable `mode'.
6430 * mips.md (absdi2): Change variable `regno1' to unsigned int.
6431 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
6432 conflicts with sys/param.h macro of the same name.
6433 (reload_outdi): Likewise.
6435 2000-07-15 Michael Meissner <meissner@redhat.com>
6437 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
6438 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
6439 create a new node instead.
6441 2000-07-15 Neil Booth <NeilB@earthling.net>
6443 * README.Portability: Correct example about calling a function
6444 through a pointer to function. Format wide paragraphs.
6446 2000-07-15 Michael Meissner <meissner@redhat.com>
6448 * README.Portability: Update integer suffixes and function
6451 2000-07-15 Neil Booth <NeilB@earthling.net>
6453 * README.Portability: Small update.
6455 2000-07-15 Neil Booth <NeilB@earthling.net>
6457 * README.Portability: New file.
6459 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
6461 * INSTALL: Give special instructions for building GCC on Irix 6.
6462 * config/mips/x-iris6 (CC): Don't set it.
6465 2000-07-14 Jason Merrill <jason@redhat.com>
6467 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
6468 register in the stack and later in another register, use the new
6471 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6473 * config/mips/mips.md: (absdi2): Handle sign_extend for
6476 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
6478 * cpplib.c (do_pragma_dependency): Tidy warning messages.
6480 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
6482 * .cvsignore: Correct typo.
6484 2000-07-13 Mark Mitchell <mark@codesourcery.com>
6486 * .cvsignore: Add generated YACC files.
6487 * objc/.cvsignore: New file.
6489 2000-07-14 Neil Booth <NeilB@earthling.net>
6491 * cpplex.c (adjust_column): New funcion.
6492 (skip_whitespace): Use it.
6493 (skip_block_comment): Use it, and warn about /*/* with
6496 2000-07-14 Neil Booth <NeilB@earthling.net>
6498 * cpphash.c (struct macro_info): Add new members.
6499 (_cpp_free_definition): Delete the macro directly.
6500 (count_params): Return void, with first token of
6501 expansion in struct macro_info on success.
6502 (parse_define): Return int. Hoist syntax checking from
6503 save_macro_expansion. Leave call to save_expansion to
6504 _cpp_create_definition.
6505 (alloc_macro): Needs just 2 arguments.
6506 (free_macro): Delete.
6507 (save_expansion): Don't perform syntax check.
6508 (_cpp_create_definition): Call save_expansion.
6510 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6512 * genrecog.c (write_header): Split long string.
6514 * cpphash.c (macro_info): Don't use the `signed' keyword.
6516 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
6518 2000-07-13 Jakub Jelinek <jakub@redhat.com>
6520 * calls.c (stored_args_map): New variable.
6521 (check_sibcall_argument_overlap_1): New.
6522 (check_sibcall_argument_overlap): New.
6523 (expand_call): Initialize stored_args_map.
6524 Call check_sibcall_argument_overlap.
6526 2000-07-13 Bruce Korb <bkorb@gnu.org>
6528 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
6529 (emit_gnu_type): utility procedure for gnu_type_fix
6530 (gnu_type_fix): implement various pre-processor guards around
6531 standard types so these types can be defined over and over
6532 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
6533 types alluded to above will have GNU-compliant base types
6534 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
6535 * fixinc/inclhack.def: add test_text entries and utilize the new
6536 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
6537 * fixinc/fixincl.x: regenerate
6539 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6541 * diagnostic.c (vline_wrapper_message_with_location,
6542 v_message_with_file_and_line, v_error_with_file_and_file,
6543 v_error_for_asm, v_warning_for_asm, vfatal,
6544 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
6545 vsorry, verror, vwarning, vpedwarn): Remove.
6546 (diagnostic_for_asm): New function.
6547 (pedwarn, error, warning, pedwarn_with_file_and_line,
6548 error_with_file_and_line, warning_with_file_and_line, sorry,
6549 error_for_asm, warning_for_asm, fatal): Reimplement.
6550 (finish_diagnostic): Clear diagnostic info as well.
6552 2000-07-13 Neil Booth <NeilB@earthling.net>
6554 * c-common.h (flag_digraphs): New.
6555 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
6556 * c-lex.c (yylex): Use flag_digraphs to decide whether to
6559 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
6561 * gcc.c (do_spec_1): Add new %B operator.
6562 (set_input): Prepare for %B.
6564 (link_command_spec): Move up with the other tm.h-
6565 overrideable specs. Factor out the portion conditional on
6566 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
6567 (struct compiler): Just have a single spec string. All users
6569 (default_compilers): Remove unnecessary braces.
6570 (static_specs): Update.
6572 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
6574 (C and assembly specs): Use the new named specs, as appropriate.
6576 * objc/lang-specs.h: Use the new named specs.
6577 Remove unnecessary braces.
6579 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6581 * gcc.c (execute): If a subprocess gets a fatal signal, report
6582 strsignal() of the signal number, and ask for a bug report.
6583 Do not do this for SIGPIPE if there's already been an error.
6585 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
6588 * tradcif.c: Remove.
6590 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6592 * final.c (profile_function): Do not emit profile counters in
6593 the data section, if NO_PROFILE_COUNTERS is defined.
6594 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
6597 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
6598 (FUNCTION_PROFILER): Just emit a call to mcount.
6600 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6602 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
6604 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6605 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
6606 traditional, lang_chill, or lang_fortran.
6608 * cppfiles.c: #undef strcmp to suppress warning about macros
6609 used without arguments.
6610 (_cpp_execute_include): Use f, not fname, in "No include path"
6612 (_cpp_pop_file_buffer): New function.
6613 * cpplib.c: Don't include <sys/mman.h>.
6614 (cpp_push_buffer): Set line_base and lineno in new buffer.
6615 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
6617 * cpplex.c: Move all prototypes and structure declarations to the
6618 top of the file. Properly parenthesise some macro arguments.
6619 (cpp_scan_line): New function.
6620 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
6621 don't need to walk up the stack counting.
6623 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6625 * c-common.c (combine_strings): Emit a pedantic warning when a
6626 string length is greater than the minimum ANSI C is required
6629 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
6631 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
6632 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
6634 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6636 * c-decl.c (define_label): Warn about identifier conflicts with
6637 labels in traditional C.
6639 * c-parse.in (unop +): Warn about the unary plus operator for
6642 * c-typeck.c (store_init_value): Warn about automatic aggregate
6643 initialization for traditional C.
6645 * invoke.texi (-Wtraditional): Document new warnings.
6647 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6649 * Makefile.in (c-errors.o): Fix thinko in dependency.
6651 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6653 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
6654 -traditional, -ftraditional, or -traditional-cpp was given.
6655 Do not pass -traditional to the preprocessor.
6656 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
6657 preprocessor does it automatically.
6658 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
6660 * ch/lang-specs.h: Always use tradcpp. Do not pass
6661 -traditional, -trigraphs, or -pedantic to the preprocessor.
6662 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
6665 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
6667 * cppexp.c (LOGICAL): Delete macro.
6668 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
6671 * cpphash.c (HASHSIZE): Increase to 4096.
6672 (struct hashdummy): Add hash field.
6673 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
6674 the string values using memcmp.
6675 (cpp_lookup): Set dummy.hash.
6677 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
6679 * configure.in (m88k-openbsd): Express configuration using new fragment
6681 * configure: Rebuilt.
6682 * m88k/aout-dbx.h: New.
6683 * m88k/openbsd.h: New.
6684 * m88k/xm-openbsd.h: New.
6686 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6688 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
6690 2000-07-12 Richard Henderson <rth@cygnus.com>
6692 * reload.c (push_secondary_reload): Make sure to add the new
6693 reload at the end, after acquiring secondary memory.
6695 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6697 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
6699 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
6700 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
6702 * c-parse.in (stmt): Delete unused variables.
6704 * convert.c (convert_to_vector): Likewise.
6706 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
6708 * tree.c (finish_vector_type): Prototype.
6710 2000-07-12 Bruce Korb <bkorb@gnu.org>
6712 * fixinc/fixfixes.c: use xmalloc
6713 * fixinc/fixincl.c(initialize): set program name for xmalloc
6714 * fixinc/fixlib.c(must_malloc): obsolete
6715 (is_cxx_header): no longer used - disabled
6716 (skip_quote): inserted and disabled for future use
6717 * fixinc/fixlib.h: reflects above
6718 * fixinc/fixtests.c: removed dinkleberries
6720 2000-07-12 Neil Booth <NeilB@earthling.net>
6722 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
6723 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
6725 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
6726 struct toklist_dummy): New.
6727 (cpp_free_definition): Free macros with free_macro.
6728 (count_params): Don't save paramter spellings. Save macro
6729 information in a struct macro_info.
6730 (parse_define): Don't allocate a token list.
6731 (save_expansion): Allocate the macro's token list, and
6732 save parameter spellings if necessary. Use TOKEN_SPELL.
6733 (cpp_create_definition): Make list const.
6735 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6737 * c-typeck.c (pedwarn_c99): Move to
6738 * c-errors.c: ... Here.
6739 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
6740 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
6741 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
6742 (c-errors.o): List dependency.
6744 2000-07-12 Mark Mitchell <mark@codesourcery.com>
6746 * c-parse.c: Remove.
6747 * c-parse.h: Likewise.
6748 * c-parse.y: Likewise.
6749 * objc/objc-parse.c: Likewise.
6750 * objc/objc-pasre.y: Likewise.
6752 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
6754 * gcc.texi: Fix minor typos
6755 * extend.texi: Fix minor typos
6757 2000-07-11 Marc Espie <espie@openbsd.org>
6759 * collect2.c (main): Recognize .lo as object files.
6761 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
6763 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
6766 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
6767 with MAP_ANONYMOUS and MAP_ANON.
6768 * configure, config.in: Rebuilt.
6770 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
6772 * diagnostic.c (save_output_state): Remove.
6773 (restore_output_state): Likewise.
6774 (clear_text_info): New function.
6775 (clear_diagnostic_info): Likewise.
6776 (output_text_length, is_starting_newline, output_prefix,
6777 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
6778 prefixing_policy, output_buffer_ptr_to_format_args): New macros
6779 (set_real_maximum_length, output_set_maximum_length,
6780 output_set_prefix, output_get_prefix, output_set_maximum_length,
6781 output_destroy_prefix, init_output_buffer,
6782 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
6783 output_add_newline, output_add_character, output_add_space,
6784 output_append_r, output_append, wrap_text, output_format,
6785 output_do_printf, output_printf, output_do_verbatim,
6786 output_verbatim, verbatim): Use them.
6787 (output_clear): Split into cleat_text_info and
6788 clear_diagnostic_info.
6789 (struct output_state): Move to...
6791 * diagnostic.h: ...Here
6792 (struct output_buffer): Adjust.
6794 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
6796 * cpplex.c (parse_name): No longer inline (premature optimization).
6797 (do_pop_context): Fold into pop_context.
6798 (pop_context): Returns int.
6799 (lex_next): Hoist test for end of directive into pop_context.
6800 (push_macro_context): Returns int; takes just reader and token.
6801 Hoist test for excessive nesting to caller.
6802 (push_arg_context): Returns void; takes just reader and token.
6803 Do not call stringify_arg or get_raw_token.
6804 (get_raw_token): Convert tail recursion through push_arg_context
6805 to a loop at this level. Call stringify_arg here if appropriate.
6806 (maybe_paste_with_next): Convert tail recursion to a while loop.
6807 Hoist test of paste_level to caller.
6809 (stringify_arg): Push arg context at beginning.
6810 (cpp_get_token): Split out core into _cpp_get_token. Call
6811 process_directive here. Throw away CPP_PLACEMARKER tokens.
6812 (_cpp_get_token): Convert tail recursion through
6813 push_macro_context to a loop at this level.
6814 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
6815 _cpp_get_raw_token): Use _cpp_get_token.
6816 (_cpp_skip_rest_of_line): Drop the context stack directly; do
6817 not call pop_context.
6818 (_cpp_run_directive): Call lex_next directly.
6820 * cpphash.h: Prototype _cpp_get_token.
6821 * cppexp.c (lex): Use it.
6822 * cpphash.c (parse_define): Use it.
6823 * cpplib.c (get_define_node, do_undef, parse_include,
6824 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
6825 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
6826 parse_ifdef, validate_else): Use it.
6827 (cpp_push_buffer): Tweak error message; abort if anyone tries
6828 to push a buffer while macro expansions are stacked.
6830 2000-07-11 Donn Terry <donnte@microsoft.com>
6832 * cpplex.c (free_macro_args, save_token): Cast arg of free
6833 and/or xrealloc to PTR.
6834 (_cpp_init_input_buffer): Clear all fields of the base context.
6836 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
6838 * gensupport.c (process_rtx): Make rtl checking stop
6839 complaining about the define_insn while it is being
6840 converted from a define_insn_and_split.
6842 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
6844 * config/mips/mips.c (simple_memory_operand): Access the
6845 INTVAL of the address, not it's containing MEM.
6847 2000-07-11 Bruce Korb <bkorb@gnu.org>
6849 * fixinc/fixtests.c(double_slash): obsolete
6850 (else_endif_label): likewise
6851 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
6852 (libc1_ifdefd_memx): correct initial comment
6853 and omit the #if/#endif pair from the memxxx declarations
6854 * fixinc/fixincl.x: regen
6856 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6858 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
6860 2000-07-11 Neil Booth <NeilB@earthling.net>
6864 2000-07-11 Neil Booth <NeilB@earthling.net>
6866 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
6867 (handle_option): Set digraphs according to standard.
6868 Merge OPT_lang_c89 handler with OPT_std_c89.
6870 * cpplex.c: (lex_line, can_paste): Honour digraphs in
6871 accordance with the digraphs flag.
6873 * cpplib.h: (struct cpp_options): New option digraphs.
6875 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
6876 Bruce Korb <bkorb@gnu.org>
6878 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
6879 * fixinc/fixincl.x: Regenerate.
6880 * fixinc/tests/base/testing.h: Add testcase.
6882 2000-07-10 Richard Henderson <rth@cygnus.com>
6884 * config/ia64/ia64.c (got_symbolic_operand): New.
6885 (symbolic_operand, move_operand): Revert 0701 change.
6886 * config/ia64/ia64.h (PREDICATE_CODES): Update.
6887 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
6888 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
6889 split the offset into a 14-bit low part instead of a 13-bit low part.
6890 (load_fptr): Mark the mem as unchanging.
6891 (load_symptr): Use got_symbolic_operand.
6893 2000-07-10 Nick Clifton <nickc@cygnus.com>
6895 * libgcc2.c (next_stack_level): Cast result of computation to
6896 (void **) so that the assignment does not generate a warning.
6898 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
6900 * flags.h : Add new variable flag_single_precision_constant.
6901 * toplev.c (display_help) : Add -fsingle-precision-constant option.
6902 (flag_single_precision_constant): New.
6903 * c-lex.c (yylex): Convert floating point constant to single
6905 * invoke.texi : Add documentation for this new option.
6907 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6909 * diagnostic.c (output_octal): Second parameter is unsigned.
6910 (output_long_octal): Likewise.
6911 (output_hexadecimal): Likewise.
6912 (output_long_hexadecimal): Likewise.
6913 (output_format): Adjust arguments extraction. Tweak.
6914 (output_verbatim, verbatim): End variable argument list.
6915 (report_diagnostic): Improve documentation.
6917 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
6919 * c-common.h (build_stmt): Declare.
6920 (build_continue_stmt): Likewise.
6921 (build_break_stmt): Likewise.
6922 (build_return_stmt): Likewise.
6924 * c-decl.c (do_case): Rewrite to do what previously done in
6927 * c-semantics.c (build_stmt): Define.
6928 (build_return_stmt): Likewise.
6929 (build_break_stmt): Likewise.
6930 (build_continue_stmt): Likewise.
6931 (build_case_label): Likewise.
6933 * c-parse.in (BREAK): Change to build tree, then generate RTL.
6934 (CONTINUE): Likewise.
6937 (DEFAULT): Likewise.
6939 * c-parse.y: Regenerate.
6940 * c-pasre.c: Likewise.
6942 2000-07-09 Jason Merrill <jason@redhat.com>
6944 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
6946 * tree.h (STRIP_NOPS): Check for error_mark_node.
6947 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
6948 (dwarf2out_*): Remove duplicate declarations.
6950 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
6951 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
6953 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
6955 * diagnostic.c (wrap_text): New function.
6956 (maybe_wrap_text): Likewise.
6957 (output_add_string): Use it.
6958 (output_format): Likewise.
6959 (count_error): Use verbatim instead of notice.
6960 (report_error_function): Likewise. Don't use plain fprintf.
6961 (finish_diagnostic): New function.
6962 (output_do_verbatim): Tweak. Commonalize functionalities in
6963 output_verbatim and verbatim.
6964 (output_verbatim): Adjust.
6965 (verbatim): Likewise.
6966 (report_diagnostic): Define.
6968 * diagnostic.h (report_diagnostic): Prototype.
6970 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
6972 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
6974 2000-07-09 Neil Booth <NeilB@earthling.net>
6976 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
6977 IShspace, ISspace: Update.
6979 * cppinit.c: ISTABLE: Update.
6982 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
6983 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
6984 (skip_block_comment, skip_line_comment, parse_string,
6985 lex_line): Use is_vspace rather than IS_NEWLINE.
6986 (skip_whitespace, lex_line): Clean up to use is_nvspace.
6987 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
6989 (lex_next): Unconditionally stop if within a directive.
6990 Treat directives within macro invocations as directives
6991 (after parse_args emits error), not as the argument.
6993 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
6995 * diagnostic.c (diagnostic_args): New macro.
6996 (diagnostic_msg): Likewise.
6997 (output_formatted_integer): Likewise.
6998 (output_state): New data type.
6999 (digit_buffer): Make global.
7000 (output_add_integer): Rename to output_decimal. Squeeze
7002 (output_long_decimal, output_unsigned_decimal,
7003 output_long_unsigned_decimal, output_octal, output_long_octal,
7004 output_hexadecimal, output_long_hexadecimal): New functions.
7005 (output_append_r): New function.
7006 (output_append): Tweak.
7007 (output_flush_on): Rename to output_to_stream.
7008 (output_format): Change prototype. Improve documentation. Handle
7009 more format specifiers.
7010 (build_location_prefix): Rename to context_as_prefix.
7011 (output_notice): Rename to output_do_printf.
7012 (output_printf): Tweak.
7013 (line_wrapper_printf): Likewise.
7014 (vline_wrapper_message_with_location): Adjust call to renamed
7016 (v_message_with_decl): Likewise.
7017 (default_print_error_function): Likewise.
7018 (save_output_state): New function.
7019 (restore_output_state): Likewise.
7020 (output_do_verbatim): Likewise.
7021 (output_verbatim): Define.
7022 (verbatim): Likewise.
7024 * diagnostic.h (printer_fn): Change return type from void to int.
7025 Improve documentation.
7026 (output_add_integer): Rename to output_decimal.
7027 (output_flush_on, output_format): Don't export.
7028 (output_verbatim, verbatim): Declare.
7030 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
7032 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
7033 Check whether c divides op1 exactly if operation is not
7036 2000-07-08 Richard Henderson <rth@cygnus.com>
7038 * final.c (final): Do not abort when reg-stack introduces
7041 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
7043 * cpplib.h (struct cpp_name): Now struct cpp_string.
7044 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
7045 CPP_HEADER_NAME): Change to type S.
7046 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
7047 field, a cpp_hashnode *. All references to val.name updated
7048 to use val.str or val.node as appropriate.
7049 (struct cpp_reader): Add spec_nodes field.
7050 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
7052 * cpphash.h (struct spec_nodes): New.
7053 (enum spell_type): Reorder. Only SPELL_STRING tokens use
7054 val.str. All references to 'spelling > SPELL_NONE' updated to
7057 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
7058 pfile->buffer->inc are not NULL before dereferencing them.
7060 * cpplex.c (parse_name): Take a pointer to the current token,
7061 plus current position and limit as args; return the new
7062 position; don't copy the text of a name into the string
7063 buffer, instead call cpp_lookup and store the node pointer.
7064 If extending a token, copy out the text of the old into a
7065 scratch buffer, append the new, look that up and store the new
7066 node pointer. Inline.
7067 (maybe_paste_with_next): If the result of paste is a NAME,
7068 then look up the pasted text and store its node pointer.
7069 (lex_line): Adjust for new parse_name interface.
7070 Check for L"str", L'str' using spec_nodes->n_L.
7071 (spell_token): SPELL_IDENT tokens have their spelling in
7072 val.node->name. Handle SPELL_STRING tokens that don't have
7074 (_cpp_expand_name_space,
7075 (can_paste): Check for L ## "str" using spec_nodes->n_L.
7076 (cpp_get_token, special_symbol): No need to call cpp_lookup.
7077 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
7078 return 1=equal 0=not, not a tristate.
7080 * cpphash.c (var_args_str): Delete.
7081 (find_param): Compare node fields directly.
7082 (is__va_args__): Use CPP_PEDANTIC. Just compare
7083 token->val.node with spec_nodes->n__VA_ARGS__.
7084 (dump_funlike_macro): Don't use var_args_str.
7086 * cpplib.c (_cpp_check_directive): Just walk through
7087 spec_nodes->dirs comparing pointers.
7088 (get_define_node, do_pragma_poison, detect_if_not_defined,
7089 parse_ifdef): The identifier has already been looked up.
7090 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
7092 (do_if): Only call detect_if_not_defined at beginning of file.
7093 (_cpp_parse_assertion): Only copy string pointers for
7094 SPELL_STRING tokens.
7095 (pragma_dispatch): Take a node pointer and examine its name
7097 (_cpp_init_stacks): Also initialize the spec_nodes structure.
7099 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
7101 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
7102 reverse order from the corresponding _cpp_init_* routines.
7104 * cppexp.c (parse_number, parse_charconst, parse_defined,
7105 lex): Check val.node->type instead of calling cpp_defined.
7106 Use spec_nodes entries where appropriate.
7108 * fix-header.c, scan-decls.c: Update for interface changes.
7110 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
7112 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
7113 emitting aux_truncdfsf2.
7115 2000-07-03 Donn Terry (donnte@microsoft.com)
7117 * cppinit.c (print_help): split overlong line into ISO C89
7120 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7122 * cppexp.c: Update all code for new lexer interface.
7123 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
7124 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
7125 * cpplex.c (token_names): Trim leading CPP_ from names; make
7126 the strings unsigned.
7127 (_cpp_spell_operator): New.
7128 (is_macro_disabled): Disable all macros if rescanning
7130 (_cpp_get_directive_token): Remove.
7132 * cppinit.c: Don't set no_macro_expand.
7133 * cpplib.c (read_line_number, do_line): Check only for EOF,
7135 * cpphash.h: Update prototypes.
7136 * cpplib.h (CPP_VSPACE): Remove.
7137 (struct cpp_reader): Remove no_macro_expand.
7139 2000-07-08 Neil Booth <NeilB@earthling.net>
7141 * cpphash.c (is__va_args__): New function.
7142 (count_params): Fix line reported in error messages. Use
7143 is__va_args__. Don't return ')' on error. Flag GNU style
7144 rest args macro definitions.
7145 (parse_define): Check macro name is not __VA_ARGS__.
7146 (save_expansion): Check identifier in non-varargs-macro is
7147 not __VA_ARGS__. Don't flag GNU_VARARGS.
7148 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
7149 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
7150 than per-token GNU_VARARGS.
7151 * cpplib.h (GNU_VARARGS): Remove.
7152 (GNU_REST_ARGS): New.
7154 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
7156 * i386.md (call_pop, call, call_value_pop): Do not set
7157 current_function_uses_pic_offset_table for calls to static
7158 functions or indirect calls.
7160 2000-07-07 Jim Wilson <wilson@cygnus.com>
7162 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
7163 is_predicate_reg, then take max write_count of register pair.
7165 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7167 * tradcpp.c (main): Rename label `include' to `add_include' to
7168 avoid conflicts with variable `include' in traditional C.
7170 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7172 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
7174 2000-07-07 Jakub Jelinek <jakub@redhat.com>
7176 * sibcall.c (uses_addressof): Add INMEM argument, check for
7177 current_function_internal_arg_pointer outside of MEM rtxs in addition
7179 (sequence_uses_addressof): Update caller.
7181 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
7183 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
7186 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7188 * system.h (UNION_INIT_ZERO): New macro for initializing union
7191 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
7193 2000-07-07 Neil Booth <NeilB@earthling.net>
7197 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
7199 * final.c (final): Detect out of bounds array access to
7200 the insn_lengths array.
7202 2000-07-07 Kazu Hirata <kazu@hxi.com>
7204 * fold-const.c (fold): Fix a comment typo.
7206 2000-07-07 Neil Booth <NeilB@earthling.net>
7208 * cpp.texi: Update to new lexer.
7210 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7212 * tradcpp.c: New file.
7213 * tradcif.y: New file.
7214 * tradcif.c: New generated file.
7216 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
7217 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
7218 dependencies of C. Install tradcpp from install-common, in
7221 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
7223 * cppinit.c: Include cppdefault.h. Refer to
7224 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
7225 to GCC_INCLUDE_DIR and its length.
7226 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
7227 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
7228 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
7230 (include_defaults_array): Move to cppdefault.c.
7232 * cppdefault.h: New file.
7233 * cppdefault.c: New file.
7235 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
7236 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
7237 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
7240 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7242 * reload.c (push_reload): When seeing if can reuse a register,
7243 check extra registers against widest of INMODE and OUTMODE.
7245 2000-07-06 Neil Booth <NeilB@earthling.net>
7247 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
7248 based on full length of predicate.
7250 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
7252 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
7253 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
7255 2000-07-05 Kazu Hirata <kazu@hxi.com>
7257 * h8300-proto.h: Fix formatting.
7258 * h8300.c: Likewise.
7259 * h8300.h: Likewise.
7261 2000-07-05 Jim Wilson <wilson@cygnus.com>
7263 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
7266 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
7268 * invoke.texi: Fix minor typos
7269 * md.texi: Fix minor typos
7271 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
7273 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
7275 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7277 * cpplex.c: Don't include sys/mman.h.
7278 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
7280 * cpplib.c: Include sys/mman.h and obstack.h.
7281 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
7283 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
7284 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
7285 bother freeing if stack entries (they will be freed with their buffer).
7286 (do_endif): Free if stack entries from the buffer obstack.
7287 (push_conditional): Allocate if stack entries from the buffer obstack.
7289 (find_answer): Rename to _cpp_find_answer.
7290 (do_assert, do_unassert): Update.
7292 * cpphash.h: Update prototypes.
7293 (xobnew): New convenience macro.
7294 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
7296 (struct cpp_hashnode): Remove disabled field.
7298 * cppinit.c: Don't include hashtab.h or splay-tree.h.
7299 (report_missing_guard): Moved to cppfiles.c.
7300 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
7302 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
7303 cpp_cleanup_includes. Don't destroy hashtab or
7304 all_include_files here.
7305 (cpp_finish): Use _cpp_report_missing_guards.
7307 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
7308 (_cpp_init_include_table): Rename _cpp_init_includes.
7309 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
7311 * cppexp.c (parse_assertion): Update for new name of
7314 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
7316 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
7318 * cpplib.c (do_ident): s/VSPACE/EOF/
7320 2000-07-05 Neil Booth <NeilB@earthling.net>
7322 * cpplex.c: Fix trigraph replacement within strings.
7324 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7326 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
7328 * xcoffout.c (assign_type_number): Constify.
7329 (xcoffout_source_file): Add static prototype. Don't needlessly
7330 cast away const-ness.
7332 2000-07-04 Jason Merrill <jason@redhat.com>
7334 * frame.h (frame_state): Move base_offset to end.
7336 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7338 * calls.c (emit_library_call_value_1): Revert previous change.
7340 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7342 * fix-header.c (struct partial_proto): Remove unnecessary fields.
7343 (recognized_extern, recognized_function, read_scan_file):
7344 Update for new scheme.
7345 (check_protection): It's still a multiple include guard even
7346 if it doesn't always trigger.
7347 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
7349 * scan.h: Declare struct cpp_token. Update prototypes.
7351 2000-07-03 Neil Booth <neilb@earthling.net>
7352 Zack Weinberg <zack@wolery.cumb.org>
7354 Complete overhaul of the lexer and macro expander.
7356 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
7357 arg, arglist, argdata, reflist, collect_objlike_expansion,
7358 collect_funlike_expansion, collect_params,
7359 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
7360 unsafe_chars, macarg, compare_defs, special_symbol,
7361 scan_arguments, stringify, funlike_macroexpand,
7362 _cpp_quote_string, monthnames): Delete.
7363 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
7364 _cpp_create_definition, _cpp_dump_definition,
7365 dump_hash_helper): Adjust.
7366 (find_param, count_params, parse_define, var_args_str,
7367 check_macro_redefinition, save_expansion): New.
7369 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
7370 parse_string, output_line_command, trigraph_replace,
7371 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
7372 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
7373 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
7374 _cpp_skip_rest_of_line): Modify.
7376 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
7377 find_position, null_warning, bump_column, expand_name_space,
7378 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
7379 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
7380 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
7381 _cpp_prescan): Delete.
7383 (dump_param_spelling, process_directive, lex_next,
7384 is_macro_disabled, stringify_arg, expand_context_stack,
7385 output_token, make_string_token, alloc_number_token,
7386 special_symbol, duplicate_token, maybe_paste_with_next,
7387 can_paste, prevent_macro_expansion, restore_macro_expansion,
7388 get_temp_token, release_temp_tokens, quote_string,
7389 token_names, token_spellings, _cpp_expand_name_space,
7390 _cpp_glue_header_name, _cpp_reserve_name_space,
7391 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
7392 placemarker_token, eof_token, cpp_context, macro_args,
7393 get_raw_token, parse_arg, parse_args, save_token,
7394 push_arg_context, push_macro_context, pop_context,
7395 do_pop_context, free_macro_args, _cpp_get_line,
7396 _cpp_run_directive): New.
7398 * cpplib.c (validate_else, parse_include, push_conditional,
7399 pass_thru_directive, read_line_number, parse_ifdef,
7400 detect_if_not_defined, _cpp_check_directive, do_define,
7401 do_undef, do_include, do_import, do_include_next, do_error,
7402 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
7403 top_pragmas, do_pragma_gcc, do_pragma_implementation,
7404 do_pragma_poison, do_pragma_system_header,
7405 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
7406 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
7407 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
7408 cpp_defined): Update for new scheme.
7409 (strtoul_for_line, get_define_node, dump_macro_name,
7410 _cpp_check_linemarker, _cpp_parse_assertion): New.
7411 (_cpp_handle_directive, do_pragma_default): Delete.
7413 * cpphash.h (struct predicate): Now struct answer.
7414 (enum spell_type, struct token_spelling, struct directive,
7415 directive_handler): New.
7416 Update prototypes. Remove unused macros.
7417 * cpplib.h: Update prototypes. Remove unused macros,
7418 structure definitions, and fields.
7420 * cpperror.c (print_containing_files, v_message): Adjust.
7421 * cppexp.c (parse_assertion, lex, parse_escape,
7422 _cpp_parse_expr): Adjust.
7423 * cppfiles.c (open_include_file, _cpp_execute_include,
7424 _cpp_compare_file_date, cpp_read_file, read_include_file):
7426 * cppinit.c (dump_special_to_buffer): Delete.
7427 (append_include_chain, merge_include_chains, cpp_reader_init,
7428 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
7429 cpp_finish, handle_option, print_help): Adjust.
7430 * cppmain.c (main): Adjust.
7432 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
7434 * cppspec.c (lang_specific_driver): Use double quotes in error
7437 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
7439 * calls.c (emit_library_call_value_1): Use valreg instead
7440 of hard_libcall_value.
7442 2000-07-03 Geoff Keating <geoffk@cygnus.com>
7444 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
7445 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
7446 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
7454 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
7455 mode instead of wider_mode is being used.
7457 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7459 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
7460 of 'r'. Use q_regs_operand.
7461 (andsi_1+2): Use q_regs_operand.
7463 2000-07-03 Jakub Jelinek <jakub@redhat.com>
7465 * builtins.c (get_memory_rtx): Always put into alias set 0.
7467 2000-07-03 Nick Clifton <nickc@cygnus.com>
7469 * config/arm/arm.md: Fix post increment and pre increment
7470 peepholes so that they do not generate UNPREDICATBLE opcodes.
7471 (ie ones where the increment clobbers the source/destination).
7473 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
7475 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
7476 change too big for -mtiny-stack" a warning, if larger than 63.
7477 (out_set_stack_ptr): Change the logic so -mno-interrupts is
7478 always safe to use on possible future devices.
7479 (function_prologue): Write SPH before SPL, for consistency.
7480 If interrupt_func_p true, we know we have enabled interrupts.
7481 (avr_num_arg_regs): New function. Round up to even number of
7482 bytes if no -mpack-args or if calling a libgcc function.
7483 (function_arg, function_arg_advance): Use it.
7484 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
7485 Output "movw" if available.
7486 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
7487 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
7488 (asm_output_section_name): Add blanks for consistent output.
7489 (encode_section_info): Set TREE_READONLY for progmem data to
7490 avoid gas warnings about changed section attributes.
7491 (avr_hard_regno_mode_ok): Force non-QImode data to start in
7492 even numbered registers on devices with "movw".
7493 * config/avr/avr.h (MASK_*): Define bits for target_flags.
7494 (TARGET_SWITCHES): Mark help strings for translation.
7495 Add new -mpack-args and -menhanced switches.
7496 (TARGET_OPTIONS): Mark help strings for translation.
7497 (progmem_section): Add section attributes.
7498 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
7499 Output "movw" if available.
7500 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
7502 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
7503 call convention (arguments aligned on even registers).
7504 (_cleanup, _exit): Make weak symbols libc can override.
7506 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7508 * fp-bit.h: New file.
7510 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
7511 Comment #endif statements.
7512 (__thenan_sf, __thenan_df): Add missing braces around initializer.
7514 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
7516 * gcse.c (compute_pre_data): Compute ae_kill using other local
7517 properties instead of calling compute_ae_kill.
7519 * alias.c (init_alias_analysis): Do not call
7520 prologue_epilogue_contains until after reload has completed.
7522 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
7524 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
7525 (genrtl_finish_compound_stmt): Likewise.
7526 (genrtl_compound_stmt): Change to return void.
7528 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
7529 move code from here to ...
7530 (genrtl_compound_stmt): ... here.
7531 (genrtl_finish_compound_stmt): Remove.
7532 (expand_stmt): Add comment.
7534 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
7536 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
7539 2000-07-02 Jakub Jelinek <jakub@redhat.com>
7541 * cpplib.h (struct cpp_reader): New field include_depth.
7542 (struct cpp_printer): Rename last_bsd to last_id.
7543 * cppfiles.c (read_include_file): Bump include_depth.
7544 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
7545 (output_line_command): Output correct #line if a header
7546 is including itself and is not protected against multiple inclusion.
7547 Use include_depth instead of buffer_stack_depth, last_id instead of
7549 * cppinit.c (cpp_start_read): Initialize last_id instead of
7552 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
7554 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
7555 (c-semantics.o): New target.
7557 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
7558 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
7559 (genrtl_clear_out_block): Likewise.
7560 (genrtl_goto_stmt): Likewise.
7561 (genrtl_expr_stmt): Likewise.
7562 (genrtl_decl_stmt): Likewise.
7563 (genrtl_if_stmt): Likewise.
7564 (genrtl_while_stmt): Likewise.
7565 (genrtl_do_stmt): Likewise.
7566 (genrtl_return_stmt): Likewise.
7567 (genrtl_for_stmt): Likewise.
7568 (genrtl_break_stmt): Likewise.
7569 (genrtl_continue_stmt): Likewise.
7570 (genrtl_scope_stmt): Likewise.
7571 (genrtl_switch_stmt): Likewise.
7572 (genrtl_case_label): Likewise.
7573 (genrtl_begin_compound_stmt): Likewise.
7574 (gerntl_finish_compound_stmt): Likewise.
7575 (genrtl_compound_stmt): Likewise.
7576 (genrtl_asm_stmt): Likewise.
7577 (genrtl_decl_cleanup): Likewise.
7578 (DECL_ANON_UNION_ELEMS): Likewise.
7579 (emit_local_var): Likewise.
7580 (make_rtl_for_local_static): Likewise.
7581 (expand_cond): Likewise.
7582 (expand_stmt): Likewise.
7583 (c_expand_return): Likewise.
7584 (c_expand_start_case): Likewise.
7585 (do_case): Likewise.
7586 (COMPOUND_STMT_NO_SCOPE): Likewise.
7587 (c_expand_asm_operands): Likewise.
7588 (NEW_FOR_SCOPE_P): New macro.
7589 (expand_expr_stmt_fn): New type.
7591 (set_current_function_name_declared): Likewise.
7592 (current_function_name_declared): Likewise.
7593 (lang_expand_stmt): Likewise.
7594 (stmts_are_full_exprs_p): Likewise.
7595 (anon_aggr_type_p): Likewise.
7596 (lang_expand_expr_stmt): Likewise.
7597 (build_case_label): Likewise.
7599 * c-decl.c (lang_expand_expr_stmt): Initialize.
7600 (stmts_are_full_exprs_p): Define.
7601 (current_function_name_declared): Likewise.
7602 (do_case): Likewise.
7603 (lang_expand_stmt): Likewise.
7604 (set_current_function_name_declared): Likewise.
7605 (anon_aggr_type_p): Likewise.
7607 * c-semantics.c: New file.
7608 (expand_cond): Moved from cp/semantics.c.
7609 (genrtl_do_pushlevel): Likewise.
7610 (genrtl_clear_out_block): Likewise.
7611 (genrtl_goto_stmt): Likewise.
7612 (genrtl_expr_stmt): Likewise.
7613 (genrtl_decl_stmt): Likewise.
7614 (genrtl_if_stmt): Likewise.
7615 (genrtl_while_stmt): Likewise.
7616 (genrtl_do_stmt): Likewise.
7617 (genrtl_return_stmt): Likewise.
7618 (genrtl_for_stmt): Likewise.
7619 (genrtl_break_stmt): Likewise.
7620 (genrtl_continue_stmt): Likewise.
7621 (genrtl_scope_stmt): Likewise.
7622 (genrtl_switch_stmt): Likewise.
7623 (genrtl_case_label): Likewise.
7624 (genrtl_begin_compound_stmt): Likewise.
7625 (genrtl_finish_compound_stmt): Likewise.
7626 (genrtl_compound_stmt): Likewise.
7627 (genrtl_asm_stmt): Likewise.
7628 (genrtl_decl_cleanup): Likewise.
7629 (make_rtl_for_local_static): Moved from cp/decl.c.
7630 (emit_local_var): Likewise.
7631 (expand_stmt): Define.
7633 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
7634 (c_expand_return): Likewise.
7635 (c_expand_start_case): Likewise.
7637 2000-07-01 Richard Henderson <rth@cygnus.com>
7639 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
7640 with the low 13 bits set.
7641 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
7642 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
7643 of the low 13 bits into a CONST plus an adddi3.
7644 (load_symptr): Set RTX_UNCHANGING_P.
7646 See ChangeLog.3 for earlier changes.